Change extension repo to extension store and add support for newer extension index format (#3349)

CHANGELOG.md

@@ -11,6 +11,12 @@ The format is a modified version of [Keep a Changelog](https://keepachangelog.co
 - `Other` - for technical stuff.
 
 ## [Unreleased]
+### Added
+- Add support for `tachiyomix` extension index format ([@AntsyLich](https://github.com/AntsyLich)) ([#3349](https://github.com/mihonapp/mihon/pull/3349))
+
+### Changed
+- Change all reference of extension repo to extension store ([@AntsyLich](https://github.com/AntsyLich)) ([#3349](https://github.com/mihonapp/mihon/pull/3349))
+
 ### Fixed
 - Add missing `outlineVariant` color to Nord theme ([@CompileConnected](https://github.com/CompileConnected)) ([#3184](https://github.com/mihonapp/mihon/pull/3184))
 

app/src/main/AndroidManifest.xml

@@ -60,8 +60,8 @@
                 <category android:name="android.intent.category.LAUNCHER" />
             </intent-filter>
 
-            <!-- Deep link to add repos -->
-            <intent-filter android:label="@string/action_add_repo">
+            <!-- Legacy deeplink to add extension store -->
+            <intent-filter android:label="@string/action_addExtensionStore">
                 <action android:name="android.intent.action.VIEW" />
 
                 <category android:name="android.intent.category.DEFAULT" />
@@ -71,6 +71,17 @@
                 <data android:host="add-repo" />
             </intent-filter>
 
+            <!-- Deeplink to add extension store -->
+            <intent-filter android:label="@string/action_addExtensionStore">
+                <action android:name="android.intent.action.VIEW" />
+
+                <category android:name="android.intent.category.DEFAULT" />
+                <category android:name="android.intent.category.BROWSABLE" />
+
+                <data android:scheme="mihon" />
+                <data android:host="extension-store" />
+            </intent-filter>
+
             <!-- Open backup files -->
             <intent-filter android:label="@string/pref_restore_backup">
                 <action android:name="android.intent.action.VIEW" />

app/src/main/java/eu/kanade/domain/DomainModule.kt

@@ -25,16 +25,15 @@ import eu.kanade.domain.track.interactor.AddTracks
 import eu.kanade.domain.track.interactor.RefreshTracks
 import eu.kanade.domain.track.interactor.SyncChapterProgressWithTrack
 import eu.kanade.domain.track.interactor.TrackChapter
-import mihon.data.repository.ExtensionRepoRepositoryImpl
+import mihon.data.extension.repository.ExtensionStoreRepositoryImpl
+import mihon.data.extension.service.ExtensionStoreService
 import mihon.domain.chapter.interactor.FilterChaptersForDownload
-import mihon.domain.extensionrepo.interactor.CreateExtensionRepo
-import mihon.domain.extensionrepo.interactor.DeleteExtensionRepo
-import mihon.domain.extensionrepo.interactor.GetExtensionRepo
-import mihon.domain.extensionrepo.interactor.GetExtensionRepoCount
-import mihon.domain.extensionrepo.interactor.ReplaceExtensionRepo
-import mihon.domain.extensionrepo.interactor.UpdateExtensionRepo
-import mihon.domain.extensionrepo.repository.ExtensionRepoRepository
-import mihon.domain.extensionrepo.service.ExtensionRepoService
+import mihon.domain.extension.interactor.AddExtensionStore
+import mihon.domain.extension.interactor.GetExtensionStoreCountAsFlow
+import mihon.domain.extension.interactor.GetExtensionStores
+import mihon.domain.extension.interactor.RemoveExtensionStore
+import mihon.domain.extension.interactor.UpdateExtensionStores
+import mihon.domain.extension.repository.ExtensionStoreRepository
 import mihon.domain.migration.usecases.MigrateMangaUseCase
 import mihon.domain.upcoming.interactor.GetUpcomingManga
 import tachiyomi.data.category.CategoryRepositoryImpl
@@ -195,14 +194,14 @@ class DomainModule : InjektModule {
         addFactory { ToggleSourcePin(get()) }
         addFactory { TrustExtension(get(), get()) }
 
-        addSingletonFactory<ExtensionRepoRepository> { ExtensionRepoRepositoryImpl(get()) }
-        addFactory { ExtensionRepoService(get(), get()) }
-        addFactory { GetExtensionRepo(get()) }
-        addFactory { GetExtensionRepoCount(get()) }
-        addFactory { CreateExtensionRepo(get(), get()) }
-        addFactory { DeleteExtensionRepo(get()) }
-        addFactory { ReplaceExtensionRepo(get()) }
-        addFactory { UpdateExtensionRepo(get(), get()) }
+        addSingletonFactory { ExtensionStoreService(get(), get(), get()) }
+        addSingletonFactory<ExtensionStoreRepository> { ExtensionStoreRepositoryImpl(get(), get()) }
+        addFactory { AddExtensionStore(get()) }
+        addFactory { GetExtensionStoreCountAsFlow(get()) }
+        addFactory { GetExtensionStores(get()) }
+        addFactory { RemoveExtensionStore(get()) }
+        addFactory { UpdateExtensionStores(get()) }
+
         addFactory { ToggleIncognito(get()) }
         addFactory { GetIncognitoState(get(), get(), get()) }
     }

app/src/main/java/eu/kanade/domain/extension/interactor/GetExtensionLanguages.kt

@@ -17,11 +17,7 @@ class GetExtensionLanguages(
         ) { enabledLanguage, availableExtensions ->
             availableExtensions
                 .flatMap { ext ->
-                    if (ext.sources.isEmpty()) {
-                        listOf(ext.lang)
-                    } else {
-                        ext.sources.map { it.lang }
-                    }
+                    ext.sources.map { it.lang }
                 }
                 .distinct()
                 .sortedWith(

app/src/main/java/eu/kanade/domain/extension/interactor/GetExtensionsByType.kt

@@ -39,9 +39,6 @@ class GetExtensionsByType(
                         (showNsfwSources || !extension.isNsfw)
                 }
                 .flatMap { ext ->
-                    if (ext.sources.isEmpty()) {
-                        return@flatMap if (ext.lang in enabledLanguages) listOf(ext) else emptyList()
-                    }
                     ext.sources.filter { it.lang in enabledLanguages }
                         .map {
                             ext.copy(

app/src/main/java/eu/kanade/domain/extension/interactor/TrustExtension.kt

@@ -3,16 +3,16 @@ package eu.kanade.domain.extension.interactor
 import android.content.pm.PackageInfo
 import androidx.core.content.pm.PackageInfoCompat
 import eu.kanade.domain.source.service.SourcePreferences
-import mihon.domain.extensionrepo.repository.ExtensionRepoRepository
+import mihon.domain.extension.repository.ExtensionStoreRepository
 import tachiyomi.core.common.preference.getAndSet
 
 class TrustExtension(
-    private val extensionRepoRepository: ExtensionRepoRepository,
+    private val repository: ExtensionStoreRepository,
     private val preferences: SourcePreferences,
 ) {
 
     suspend fun isTrusted(pkgInfo: PackageInfo, fingerprints: List<String>): Boolean {
-        val trustedFingerprints = extensionRepoRepository.getAll().map { it.signingKeyFingerprint }.toHashSet()
+        val trustedFingerprints = repository.getAll().map { it.signingKey }.toHashSet()
         val key = "${pkgInfo.packageName}:${PackageInfoCompat.getLongVersionCode(pkgInfo)}:${fingerprints.last()}"
         return trustedFingerprints.any { fingerprints.contains(it) } || key in preferences.trustedExtensions.get()
     }

app/src/main/java/eu/kanade/presentation/browse/ExtensionDetailsScreen.kt

@@ -80,12 +80,12 @@ fun ExtensionDetailsScreen(
     val uriHandler = LocalUriHandler.current
     val url = remember(state.extension) {
         val regex = """https://raw.githubusercontent.com/(.+?)/(.+?)/.+""".toRegex()
-        regex.find(state.extension?.repoUrl.orEmpty())
+        regex.find(state.extension?.store?.indexUrl.orEmpty())
             ?.let {
                 val (user, repo) = it.destructured
                 "https://github.com/$user/$repo"
             }
-            ?: state.extension?.repoUrl
+            ?: state.extension?.store?.indexUrl
     }
 
     Scaffold(
@@ -248,14 +248,17 @@ private fun DetailsHeader(
 
                         if (extension is Extension.Installed) {
                             append("\n\n")
-                            append(
+                            appendLine(
                                 """
                                 Update available: ${extension.hasUpdate}
                                 Obsolete: ${extension.isObsolete}
                                 Shared: ${extension.isShared}
-                                Repository: ${extension.repoUrl}
                                 """.trimIndent(),
                             )
+                            val store = extension.store
+                            if (store != null) {
+                                append("Repository: ${store.indexUrl}")
+                            }
                         }
                     }
                     context.copyToClipboard("Extension Debug information", extDebugInfo)

app/src/main/java/eu/kanade/presentation/browse/ExtensionsScreen.kt

@@ -47,7 +47,7 @@ import eu.kanade.presentation.browse.components.BaseBrowseItem
 import eu.kanade.presentation.browse.components.ExtensionIcon
 import eu.kanade.presentation.components.WarningBanner
 import eu.kanade.presentation.manga.components.DotSeparatorNoSpaceText
-import eu.kanade.presentation.more.settings.screen.browse.ExtensionReposScreen
+import eu.kanade.presentation.more.settings.screen.browse.ExtensionStoresScreen
 import eu.kanade.presentation.util.animateItemFastScroll
 import eu.kanade.presentation.util.rememberRequestPackageInstallsPermissionState
 import eu.kanade.tachiyomi.extension.model.Extension
@@ -106,9 +106,9 @@ fun ExtensionScreen(
                     modifier = Modifier.padding(contentPadding),
                     actions = persistentListOf(
                         EmptyScreenAction(
-                            stringRes = MR.strings.label_extension_repos,
+                            stringRes = MR.strings.extensionStores,
                             icon = Icons.Outlined.Settings,
-                            onClick = { navigator.push(ExtensionReposScreen()) },
+                            onClick = { navigator.push(ExtensionStoresScreen()) },
                         ),
                     ),
                 )

app/src/main/java/eu/kanade/presentation/more/settings/screen/SettingsBrowseScreen.kt

@@ -11,10 +11,10 @@ import cafe.adriel.voyager.navigator.LocalNavigator
 import cafe.adriel.voyager.navigator.currentOrThrow
 import eu.kanade.domain.source.service.SourcePreferences
 import eu.kanade.presentation.more.settings.Preference
-import eu.kanade.presentation.more.settings.screen.browse.ExtensionReposScreen
+import eu.kanade.presentation.more.settings.screen.browse.ExtensionStoresScreen
 import eu.kanade.tachiyomi.util.system.AuthenticatorUtil.authenticate
 import kotlinx.collections.immutable.persistentListOf
-import mihon.domain.extensionrepo.interactor.GetExtensionRepoCount
+import mihon.domain.extension.interactor.GetExtensionStoreCountAsFlow
 import tachiyomi.core.common.i18n.stringResource
 import tachiyomi.i18n.MR
 import tachiyomi.presentation.core.i18n.pluralStringResource
@@ -34,9 +34,9 @@ object SettingsBrowseScreen : SearchableSettings {
         val navigator = LocalNavigator.currentOrThrow
 
         val sourcePreferences = remember { Injekt.get<SourcePreferences>() }
-        val getExtensionRepoCount = remember { Injekt.get<GetExtensionRepoCount>() }
+        val getExtensionStoreCountAsFlow = remember { Injekt.get<GetExtensionStoreCountAsFlow>() }
 
-        val reposCount by getExtensionRepoCount.subscribe().collectAsState(0)
+        val reposCount by getExtensionStoreCountAsFlow().collectAsState(0)
 
         return listOf(
             Preference.PreferenceGroup(
@@ -47,10 +47,10 @@ object SettingsBrowseScreen : SearchableSettings {
                         title = stringResource(MR.strings.pref_hide_in_library_items),
                     ),
                     Preference.PreferenceItem.TextPreference(
-                        title = stringResource(MR.strings.label_extension_repos),
-                        subtitle = pluralStringResource(MR.plurals.num_repos, reposCount, reposCount),
+                        title = stringResource(MR.strings.extensionStores),
+                        subtitle = pluralStringResource(MR.plurals.num_repos, reposCount.toInt(), reposCount),
                         onClick = {
-                            navigator.push(ExtensionReposScreen())
+                            navigator.push(ExtensionStoresScreen())
                         },
                     ),
                 ),

app/src/main/java/eu/kanade/presentation/more/settings/screen/browse/ExtensionReposScreen.kt

@@ -1,96 +0,0 @@
-package eu.kanade.presentation.more.settings.screen.browse
-
-import androidx.compose.runtime.Composable
-import androidx.compose.runtime.LaunchedEffect
-import androidx.compose.runtime.collectAsState
-import androidx.compose.runtime.getValue
-import androidx.compose.ui.platform.LocalContext
-import cafe.adriel.voyager.core.model.rememberScreenModel
-import cafe.adriel.voyager.navigator.LocalNavigator
-import cafe.adriel.voyager.navigator.currentOrThrow
-import eu.kanade.presentation.more.settings.screen.browse.components.ExtensionRepoConfirmDialog
-import eu.kanade.presentation.more.settings.screen.browse.components.ExtensionRepoConflictDialog
-import eu.kanade.presentation.more.settings.screen.browse.components.ExtensionRepoCreateDialog
-import eu.kanade.presentation.more.settings.screen.browse.components.ExtensionRepoDeleteDialog
-import eu.kanade.presentation.more.settings.screen.browse.components.ExtensionReposScreen
-import eu.kanade.presentation.util.Screen
-import eu.kanade.tachiyomi.util.system.openInBrowser
-import eu.kanade.tachiyomi.util.system.toast
-import kotlinx.collections.immutable.toImmutableSet
-import kotlinx.coroutines.flow.collectLatest
-import tachiyomi.presentation.core.screens.LoadingScreen
-
-class ExtensionReposScreen(
-    private val url: String? = null,
-) : Screen() {
-
-    @Composable
-    override fun Content() {
-        val context = LocalContext.current
-        val navigator = LocalNavigator.currentOrThrow
-
-        val screenModel = rememberScreenModel { ExtensionReposScreenModel() }
-        val state by screenModel.state.collectAsState()
-
-        LaunchedEffect(url) {
-            url?.let { screenModel.showDialog(RepoDialog.Confirm(it)) }
-        }
-
-        if (state is RepoScreenState.Loading) {
-            LoadingScreen()
-            return
-        }
-
-        val successState = state as RepoScreenState.Success
-
-        ExtensionReposScreen(
-            state = successState,
-            onClickCreate = { screenModel.showDialog(RepoDialog.Create) },
-            onOpenWebsite = { context.openInBrowser(it.website) },
-            onClickDelete = { screenModel.showDialog(RepoDialog.Delete(it)) },
-            onClickRefresh = { screenModel.refreshRepos() },
-            navigateUp = navigator::pop,
-        )
-
-        when (val dialog = successState.dialog) {
-            null -> {}
-            is RepoDialog.Create -> {
-                ExtensionRepoCreateDialog(
-                    onDismissRequest = screenModel::dismissDialog,
-                    onCreate = { screenModel.createRepo(it) },
-                    repoUrls = successState.repos.map { it.baseUrl }.toImmutableSet(),
-                )
-            }
-            is RepoDialog.Delete -> {
-                ExtensionRepoDeleteDialog(
-                    onDismissRequest = screenModel::dismissDialog,
-                    onDelete = { screenModel.deleteRepo(dialog.repo) },
-                    repo = dialog.repo,
-                )
-            }
-            is RepoDialog.Conflict -> {
-                ExtensionRepoConflictDialog(
-                    onDismissRequest = screenModel::dismissDialog,
-                    onMigrate = { screenModel.replaceRepo(dialog.newRepo) },
-                    oldRepo = dialog.oldRepo,
-                    newRepo = dialog.newRepo,
-                )
-            }
-            is RepoDialog.Confirm -> {
-                ExtensionRepoConfirmDialog(
-                    onDismissRequest = screenModel::dismissDialog,
-                    onCreate = { screenModel.createRepo(dialog.url) },
-                    repo = dialog.url,
-                )
-            }
-        }
-
-        LaunchedEffect(Unit) {
-            screenModel.events.collectLatest { event ->
-                if (event is RepoEvent.LocalizedMessage) {
-                    context.toast(event.stringRes)
-                }
-            }
-        }
-    }
-}

app/src/main/java/eu/kanade/presentation/more/settings/screen/browse/ExtensionReposScreenModel.kt

@@ -1,150 +0,0 @@
-package eu.kanade.presentation.more.settings.screen.browse
-
-import androidx.compose.runtime.Immutable
-import cafe.adriel.voyager.core.model.StateScreenModel
-import cafe.adriel.voyager.core.model.screenModelScope
-import dev.icerock.moko.resources.StringResource
-import eu.kanade.tachiyomi.extension.ExtensionManager
-import kotlinx.collections.immutable.ImmutableSet
-import kotlinx.collections.immutable.toImmutableSet
-import kotlinx.coroutines.channels.Channel
-import kotlinx.coroutines.flow.collectLatest
-import kotlinx.coroutines.flow.receiveAsFlow
-import kotlinx.coroutines.flow.update
-import mihon.domain.extensionrepo.interactor.CreateExtensionRepo
-import mihon.domain.extensionrepo.interactor.DeleteExtensionRepo
-import mihon.domain.extensionrepo.interactor.GetExtensionRepo
-import mihon.domain.extensionrepo.interactor.ReplaceExtensionRepo
-import mihon.domain.extensionrepo.interactor.UpdateExtensionRepo
-import mihon.domain.extensionrepo.model.ExtensionRepo
-import tachiyomi.core.common.util.lang.launchIO
-import tachiyomi.i18n.MR
-import uy.kohesive.injekt.Injekt
-import uy.kohesive.injekt.api.get
-
-class ExtensionReposScreenModel(
-    private val getExtensionRepo: GetExtensionRepo = Injekt.get(),
-    private val createExtensionRepo: CreateExtensionRepo = Injekt.get(),
-    private val deleteExtensionRepo: DeleteExtensionRepo = Injekt.get(),
-    private val replaceExtensionRepo: ReplaceExtensionRepo = Injekt.get(),
-    private val updateExtensionRepo: UpdateExtensionRepo = Injekt.get(),
-    private val extensionManager: ExtensionManager = Injekt.get(),
-) : StateScreenModel<RepoScreenState>(RepoScreenState.Loading) {
-
-    private val _events: Channel<RepoEvent> = Channel(Int.MAX_VALUE)
-    val events = _events.receiveAsFlow()
-
-    init {
-        screenModelScope.launchIO {
-            getExtensionRepo.subscribeAll()
-                .collectLatest { repos ->
-                    mutableState.update {
-                        RepoScreenState.Success(
-                            repos = repos.toImmutableSet(),
-                        )
-                    }
-                }
-        }
-    }
-
-    /**
-     * Creates and adds a new repo to the database.
-     *
-     * @param baseUrl The baseUrl of the repo to create.
-     */
-    fun createRepo(baseUrl: String) {
-        screenModelScope.launchIO {
-            when (val result = createExtensionRepo.await(baseUrl)) {
-                CreateExtensionRepo.Result.Success -> extensionManager.findAvailableExtensions()
-                CreateExtensionRepo.Result.InvalidUrl -> _events.send(RepoEvent.InvalidUrl)
-                CreateExtensionRepo.Result.RepoAlreadyExists -> _events.send(RepoEvent.RepoAlreadyExists)
-                is CreateExtensionRepo.Result.DuplicateFingerprint -> {
-                    showDialog(RepoDialog.Conflict(result.oldRepo, result.newRepo))
-                }
-                else -> {}
-            }
-        }
-    }
-
-    /**
-     * Inserts a repo to the database, replace a matching repo with the same signing key fingerprint if found.
-     *
-     * @param newRepo The repo to insert
-     */
-    fun replaceRepo(newRepo: ExtensionRepo) {
-        screenModelScope.launchIO {
-            replaceExtensionRepo.await(newRepo)
-        }
-    }
-
-    /**
-     * Refreshes information for each repository.
-     */
-    fun refreshRepos() {
-        val status = state.value
-
-        if (status is RepoScreenState.Success) {
-            screenModelScope.launchIO {
-                updateExtensionRepo.awaitAll()
-            }
-        }
-    }
-
-    /**
-     * Deletes the given repo from the database
-     */
-    fun deleteRepo(baseUrl: String) {
-        screenModelScope.launchIO {
-            deleteExtensionRepo.await(baseUrl)
-            extensionManager.findAvailableExtensions()
-        }
-    }
-
-    fun showDialog(dialog: RepoDialog) {
-        mutableState.update {
-            when (it) {
-                RepoScreenState.Loading -> it
-                is RepoScreenState.Success -> it.copy(dialog = dialog)
-            }
-        }
-    }
-
-    fun dismissDialog() {
-        mutableState.update {
-            when (it) {
-                RepoScreenState.Loading -> it
-                is RepoScreenState.Success -> it.copy(dialog = null)
-            }
-        }
-    }
-}
-
-sealed class RepoEvent {
-    sealed class LocalizedMessage(val stringRes: StringResource) : RepoEvent()
-    data object InvalidUrl : LocalizedMessage(MR.strings.invalid_repo_name)
-    data object RepoAlreadyExists : LocalizedMessage(MR.strings.error_repo_exists)
-}
-
-sealed class RepoDialog {
-    data object Create : RepoDialog()
-    data class Delete(val repo: String) : RepoDialog()
-    data class Conflict(val oldRepo: ExtensionRepo, val newRepo: ExtensionRepo) : RepoDialog()
-    data class Confirm(val url: String) : RepoDialog()
-}
-
-sealed class RepoScreenState {
-
-    @Immutable
-    data object Loading : RepoScreenState()
-
-    @Immutable
-    data class Success(
-        val repos: ImmutableSet<ExtensionRepo>,
-        val oldRepos: ImmutableSet<String>? = null,
-        val dialog: RepoDialog? = null,
-    ) : RepoScreenState() {
-
-        val isEmpty: Boolean
-            get() = repos.isEmpty()
-    }
-}

app/src/main/java/eu/kanade/presentation/more/settings/screen/browse/ExtensionStoresScreen.kt

@@ -0,0 +1,85 @@
+package eu.kanade.presentation.more.settings.screen.browse
+
+import androidx.compose.runtime.Composable
+import androidx.compose.runtime.LaunchedEffect
+import androidx.compose.runtime.collectAsState
+import androidx.compose.runtime.getValue
+import androidx.compose.ui.platform.LocalContext
+import cafe.adriel.voyager.core.model.rememberScreenModel
+import cafe.adriel.voyager.navigator.LocalNavigator
+import cafe.adriel.voyager.navigator.currentOrThrow
+import eu.kanade.presentation.more.settings.screen.browse.components.ExtensionStoreConfirmDialog
+import eu.kanade.presentation.more.settings.screen.browse.components.ExtensionStoreCreateDialog
+import eu.kanade.presentation.more.settings.screen.browse.components.ExtensionStoreDeleteDialog
+import eu.kanade.presentation.more.settings.screen.browse.components.ExtensionStoresScreen
+import eu.kanade.presentation.util.Screen
+import eu.kanade.tachiyomi.util.system.copyToClipboard
+import eu.kanade.tachiyomi.util.system.openInBrowser
+import tachiyomi.presentation.core.screens.LoadingScreen
+
+class ExtensionStoresScreen(
+    private val url: String? = null,
+) : Screen() {
+
+    @Composable
+    override fun Content() {
+        val context = LocalContext.current
+        val navigator = LocalNavigator.currentOrThrow
+
+        val screenModel = rememberScreenModel { ExtensionStoresScreenModel() }
+        val state by screenModel.state.collectAsState()
+
+        LaunchedEffect(url) {
+            url?.let { screenModel.addFromDeeplink(url) }
+        }
+
+        if (state is ExtensionStoreScreenState.Loading) {
+            LoadingScreen()
+            return
+        }
+
+        val successState = state as ExtensionStoreScreenState.Success
+
+        ExtensionStoresScreen(
+            state = successState,
+            onClickCreate = { screenModel.showDialog(ExtensionStoreDialog.Create()) },
+            onCopy = { context.copyToClipboard(it.indexUrl, it.indexUrl) },
+            onOpenWebsite = { it.contact.website.let(context::openInBrowser) },
+            onOpenDiscord = { it.contact.discord?.let(context::openInBrowser) },
+            onClickDelete = { screenModel.showDialog(ExtensionStoreDialog.Delete(it)) },
+            onClickRefresh = { screenModel.refreshRepos() },
+            navigateUp = navigator::pop,
+        )
+
+        when (val dialog = successState.dialog) {
+            null -> {}
+            is ExtensionStoreDialog.Create -> {
+                ExtensionStoreCreateDialog(
+                    onDismissRequest = screenModel::dismissDialog,
+                    onCreate = { screenModel.createRepo(it) },
+                    storeIndexUrls = successState.stores.map { it.indexUrl }.toSet(),
+                    processing = dialog.processing,
+                    errorMessage = dialog.errorMessage,
+                )
+            }
+            is ExtensionStoreDialog.Delete -> {
+                ExtensionStoreDeleteDialog(
+                    onDismissRequest = screenModel::dismissDialog,
+                    onDelete = { screenModel.deleteRepo(dialog.store.indexUrl) },
+                    storeName = dialog.store.name,
+                    storeIndexUrl = dialog.store.indexUrl,
+                )
+            }
+            is ExtensionStoreDialog.Confirm -> {
+                ExtensionStoreConfirmDialog(
+                    onDismissRequest = screenModel::dismissDialog,
+                    onCreate = { screenModel.createRepo(dialog.url) },
+                    storeIndexUrl = dialog.url,
+                    storeAlreadyExists = dialog.alreadyExists,
+                    processing = dialog.processing,
+                    errorMessage = dialog.errorMessage,
+                )
+            }
+        }
+    }
+}

app/src/main/java/eu/kanade/presentation/more/settings/screen/browse/ExtensionStoresScreenModel.kt

@@ -0,0 +1,165 @@
+package eu.kanade.presentation.more.settings.screen.browse
+
+import androidx.compose.runtime.Immutable
+import cafe.adriel.voyager.core.model.StateScreenModel
+import cafe.adriel.voyager.core.model.screenModelScope
+import eu.kanade.tachiyomi.extension.ExtensionManager
+import kotlinx.coroutines.flow.collectLatest
+import kotlinx.coroutines.flow.update
+import kotlinx.coroutines.launch
+import mihon.domain.extension.interactor.AddExtensionStore
+import mihon.domain.extension.interactor.GetExtensionStores
+import mihon.domain.extension.interactor.RemoveExtensionStore
+import mihon.domain.extension.interactor.UpdateExtensionStores
+import mihon.domain.extension.model.ExtensionStore
+import tachiyomi.core.common.util.lang.launchIO
+import uy.kohesive.injekt.Injekt
+import uy.kohesive.injekt.api.get
+
+class ExtensionStoresScreenModel(
+    private val getExtensionStores: GetExtensionStores = Injekt.get(),
+    private val addExtensionStore: AddExtensionStore = Injekt.get(),
+    private val removeExtensionStore: RemoveExtensionStore = Injekt.get(),
+    private val updateExtensionStores: UpdateExtensionStores = Injekt.get(),
+    private val extensionManager: ExtensionManager = Injekt.get(),
+) : StateScreenModel<ExtensionStoreScreenState>(ExtensionStoreScreenState.Loading) {
+
+    private inline fun updateSuccessState(
+        func: (ExtensionStoreScreenState.Success) -> ExtensionStoreScreenState.Success,
+    ) {
+        mutableState.update {
+            when (it) {
+                ExtensionStoreScreenState.Loading -> it
+                is ExtensionStoreScreenState.Success -> func(it)
+            }
+        }
+    }
+
+    init {
+        screenModelScope.launchIO {
+            getExtensionStores.subscribe()
+                .collectLatest { stores ->
+                    mutableState.update {
+                        when (it) {
+                            ExtensionStoreScreenState.Loading -> ExtensionStoreScreenState.Success(stores = stores)
+                            is ExtensionStoreScreenState.Success -> it.copy(stores = stores)
+                        }
+                    }
+                }
+        }
+    }
+
+    /**
+     * Creates and adds a new repo to the database.
+     *
+     * @param baseUrl The baseUrl of the repo to create.
+     */
+    fun createRepo(baseUrl: String) {
+        screenModelScope.launch {
+            updateSuccessState {
+                it.copy(
+                    dialog = when (it.dialog) {
+                        is ExtensionStoreDialog.Create -> it.dialog.copy(processing = true)
+                        is ExtensionStoreDialog.Confirm -> it.dialog.copy(processing = true)
+                        else -> it.dialog
+                    },
+                )
+            }
+            addExtensionStore(baseUrl)
+                .onSuccess {
+                    extensionManager.findAvailableExtensions()
+                    dismissDialog()
+                }
+                .onFailure { throwable ->
+                    updateSuccessState {
+                        it.copy(
+                            dialog = when (it.dialog) {
+                                is ExtensionStoreDialog.Create -> it.dialog.copy(
+                                    processing = false,
+                                    errorMessage = throwable.message ?: "unknown error",
+                                )
+                                is ExtensionStoreDialog.Confirm -> it.dialog.copy(
+                                    processing = false,
+                                    errorMessage = throwable.message ?: "unknown error",
+                                )
+                                else -> it.dialog
+                            },
+                        )
+                    }
+                }
+        }
+    }
+
+    /**
+     * Refreshes information for each repository.
+     */
+    fun refreshRepos() {
+        val status = state.value
+
+        if (status is ExtensionStoreScreenState.Success) {
+            screenModelScope.launchIO {
+                updateExtensionStores()
+            }
+        }
+    }
+
+    /**
+     * Deletes the given repo from the database
+     */
+    fun deleteRepo(baseUrl: String) {
+        screenModelScope.launchIO {
+            removeExtensionStore(baseUrl)
+            extensionManager.findAvailableExtensions()
+        }
+    }
+
+    fun addFromDeeplink(storeIndexUrl: String) {
+        updateSuccessState { state ->
+            state.copy(
+                dialog = ExtensionStoreDialog.Confirm(
+                    url = storeIndexUrl,
+                    alreadyExists = state.stores.any { it.indexUrl == storeIndexUrl },
+                ),
+            )
+        }
+    }
+
+    fun showDialog(dialog: ExtensionStoreDialog) {
+        updateSuccessState { state ->
+            state.copy(dialog = dialog)
+        }
+    }
+
+    fun dismissDialog() {
+        updateSuccessState {
+            it.copy(dialog = null)
+        }
+    }
+}
+
+sealed class ExtensionStoreDialog {
+    data class Create(val processing: Boolean = false, val errorMessage: String? = null) : ExtensionStoreDialog()
+    data class Delete(val store: ExtensionStore) : ExtensionStoreDialog()
+    data class Confirm(
+        val url: String,
+        val alreadyExists: Boolean = false,
+        val processing: Boolean = false,
+        val errorMessage: String? = null,
+    ) : ExtensionStoreDialog()
+}
+
+sealed class ExtensionStoreScreenState {
+
+    @Immutable
+    data object Loading : ExtensionStoreScreenState()
+
+    @Immutable
+    data class Success(
+        val stores: List<ExtensionStore>,
+        val dialog: ExtensionStoreDialog? = null,
+    ) : ExtensionStoreScreenState() {
+
+        val isEmpty: Boolean
+            get() = stores.isEmpty()
+    }
+}

app/src/main/java/eu/kanade/presentation/more/settings/screen/browse/components/ExtensionReposDialogs.kt

@@ -1,188 +0,0 @@
-package eu.kanade.presentation.more.settings.screen.browse.components
-
-import androidx.compose.foundation.layout.Column
-import androidx.compose.foundation.layout.fillMaxWidth
-import androidx.compose.foundation.text.KeyboardOptions
-import androidx.compose.material3.AlertDialog
-import androidx.compose.material3.OutlinedTextField
-import androidx.compose.material3.Text
-import androidx.compose.material3.TextButton
-import androidx.compose.runtime.Composable
-import androidx.compose.runtime.LaunchedEffect
-import androidx.compose.runtime.getValue
-import androidx.compose.runtime.mutableStateOf
-import androidx.compose.runtime.remember
-import androidx.compose.runtime.setValue
-import androidx.compose.ui.Modifier
-import androidx.compose.ui.focus.FocusRequester
-import androidx.compose.ui.focus.focusRequester
-import androidx.compose.ui.text.input.KeyboardType
-import kotlinx.collections.immutable.ImmutableSet
-import kotlinx.coroutines.delay
-import mihon.domain.extensionrepo.model.ExtensionRepo
-import tachiyomi.i18n.MR
-import tachiyomi.presentation.core.i18n.stringResource
-import kotlin.time.Duration.Companion.seconds
-
-@Composable
-fun ExtensionRepoCreateDialog(
-    onDismissRequest: () -> Unit,
-    onCreate: (String) -> Unit,
-    repoUrls: ImmutableSet<String>,
-) {
-    var name by remember { mutableStateOf("") }
-
-    val focusRequester = remember { FocusRequester() }
-    val nameAlreadyExists = remember(name) { repoUrls.contains(name) }
-
-    AlertDialog(
-        onDismissRequest = onDismissRequest,
-        confirmButton = {
-            TextButton(
-                enabled = name.isNotEmpty() && !nameAlreadyExists,
-                onClick = {
-                    onCreate(name)
-                    onDismissRequest()
-                },
-            ) {
-                Text(text = stringResource(MR.strings.action_add))
-            }
-        },
-        dismissButton = {
-            TextButton(onClick = onDismissRequest) {
-                Text(text = stringResource(MR.strings.action_cancel))
-            }
-        },
-        title = {
-            Text(text = stringResource(MR.strings.action_add_repo))
-        },
-        text = {
-            Column {
-                Text(text = stringResource(MR.strings.action_add_repo_message, stringResource(MR.strings.app_name)))
-
-                OutlinedTextField(
-                    modifier = Modifier
-                        .fillMaxWidth()
-                        .focusRequester(focusRequester),
-                    value = name,
-                    onValueChange = { name = it },
-                    label = {
-                        Text(text = stringResource(MR.strings.label_add_repo_input))
-                    },
-                    supportingText = {
-                        val msgRes = if (name.isNotEmpty() && nameAlreadyExists) {
-                            MR.strings.error_repo_exists
-                        } else {
-                            MR.strings.information_required_plain
-                        }
-                        Text(text = stringResource(msgRes))
-                    },
-                    isError = name.isNotEmpty() && nameAlreadyExists,
-                    keyboardOptions = KeyboardOptions(keyboardType = KeyboardType.Uri),
-                    singleLine = true,
-                )
-            }
-        },
-    )
-
-    LaunchedEffect(focusRequester) {
-        // TODO: https://issuetracker.google.com/issues/204502668
-        delay(0.1.seconds)
-        focusRequester.requestFocus()
-    }
-}
-
-@Composable
-fun ExtensionRepoDeleteDialog(
-    onDismissRequest: () -> Unit,
-    onDelete: () -> Unit,
-    repo: String,
-) {
-    AlertDialog(
-        onDismissRequest = onDismissRequest,
-        confirmButton = {
-            TextButton(onClick = {
-                onDelete()
-                onDismissRequest()
-            }) {
-                Text(text = stringResource(MR.strings.action_ok))
-            }
-        },
-        dismissButton = {
-            TextButton(onClick = onDismissRequest) {
-                Text(text = stringResource(MR.strings.action_cancel))
-            }
-        },
-        title = {
-            Text(text = stringResource(MR.strings.action_delete_repo))
-        },
-        text = {
-            Text(text = stringResource(MR.strings.delete_repo_confirmation, repo))
-        },
-    )
-}
-
-@Composable
-fun ExtensionRepoConflictDialog(
-    oldRepo: ExtensionRepo,
-    newRepo: ExtensionRepo,
-    onDismissRequest: () -> Unit,
-    onMigrate: () -> Unit,
-) {
-    AlertDialog(
-        onDismissRequest = onDismissRequest,
-        confirmButton = {
-            TextButton(
-                onClick = {
-                    onMigrate()
-                    onDismissRequest()
-                },
-            ) {
-                Text(text = stringResource(MR.strings.action_replace_repo))
-            }
-        },
-        dismissButton = {
-            TextButton(onClick = onDismissRequest) {
-                Text(text = stringResource(MR.strings.action_cancel))
-            }
-        },
-        title = {
-            Text(text = stringResource(MR.strings.action_replace_repo_title))
-        },
-        text = {
-            Text(text = stringResource(MR.strings.action_replace_repo_message, newRepo.name, oldRepo.name))
-        },
-    )
-}
-
-@Composable
-fun ExtensionRepoConfirmDialog(
-    onDismissRequest: () -> Unit,
-    onCreate: () -> Unit,
-    repo: String,
-) {
-    AlertDialog(
-        onDismissRequest = onDismissRequest,
-        title = {
-            Text(text = stringResource(MR.strings.action_add_repo))
-        },
-        text = {
-            Text(text = stringResource(MR.strings.add_repo_confirmation, repo))
-        },
-        confirmButton = {
-            TextButton(
-                onClick = {
-                    onCreate()
-                    onDismissRequest()
-                },
-            ) {
-                Text(text = stringResource(MR.strings.action_add))
-            }
-        },
-        dismissButton = {
-            TextButton(onClick = onDismissRequest) {
-                Text(text = stringResource(MR.strings.action_cancel))
-            }
-        },
-    )
-}

app/src/main/java/eu/kanade/presentation/more/settings/screen/browse/components/ExtensionStoresContent.kt

@@ -9,9 +9,9 @@ import androidx.compose.foundation.lazy.LazyColumn
 import androidx.compose.foundation.lazy.LazyListState
 import androidx.compose.material.icons.Icons
 import androidx.compose.material.icons.automirrored.outlined.Label
-import androidx.compose.material.icons.automirrored.outlined.OpenInNew
 import androidx.compose.material.icons.outlined.ContentCopy
 import androidx.compose.material.icons.outlined.Delete
+import androidx.compose.material.icons.outlined.Public
 import androidx.compose.material3.ElevatedCard
 import androidx.compose.material3.Icon
 import androidx.compose.material3.IconButton
@@ -20,21 +20,22 @@ import androidx.compose.material3.Text
 import androidx.compose.runtime.Composable
 import androidx.compose.ui.Alignment
 import androidx.compose.ui.Modifier
-import androidx.compose.ui.platform.LocalContext
-import eu.kanade.tachiyomi.util.system.copyToClipboard
-import kotlinx.collections.immutable.ImmutableSet
-import mihon.domain.extensionrepo.model.ExtensionRepo
+import mihon.domain.extension.model.ExtensionStore
 import tachiyomi.i18n.MR
 import tachiyomi.presentation.core.components.material.padding
 import tachiyomi.presentation.core.i18n.stringResource
+import tachiyomi.presentation.core.icons.CustomIcons
+import tachiyomi.presentation.core.icons.Discord
 
 @Composable
-fun ExtensionReposContent(
-    repos: ImmutableSet<ExtensionRepo>,
+fun ExtensionStoresContent(
+    repos: List<ExtensionStore>,
     lazyListState: LazyListState,
     paddingValues: PaddingValues,
-    onOpenWebsite: (ExtensionRepo) -> Unit,
-    onClickDelete: (String) -> Unit,
+    onCopy: (ExtensionStore) -> Unit,
+    onOpenWebsite: (ExtensionStore) -> Unit,
+    onOpenDiscord: (ExtensionStore) -> Unit,
+    onClickDelete: (ExtensionStore) -> Unit,
     modifier: Modifier = Modifier,
 ) {
     LazyColumn(
@@ -45,11 +46,13 @@ fun ExtensionReposContent(
     ) {
         repos.forEach {
             item {
-                ExtensionRepoListItem(
+                ExtensionStoresListItem(
                     modifier = Modifier.animateItem(),
-                    repo = it,
+                    store = it,
                     onOpenWebsite = { onOpenWebsite(it) },
-                    onDelete = { onClickDelete(it.baseUrl) },
+                    onOpenDiscord = { onOpenDiscord(it) },
+                    onCopy = { onCopy(it) },
+                    onDelete = { onClickDelete(it) },
                 )
             }
         }
@@ -57,14 +60,14 @@ fun ExtensionReposContent(
 }
 
 @Composable
-private fun ExtensionRepoListItem(
-    repo: ExtensionRepo,
+private fun ExtensionStoresListItem(
+    store: ExtensionStore,
     onOpenWebsite: () -> Unit,
+    onOpenDiscord: () -> Unit,
+    onCopy: () -> Unit,
     onDelete: () -> Unit,
     modifier: Modifier = Modifier,
 ) {
-    val context = LocalContext.current
-
     ElevatedCard(
         modifier = modifier,
     ) {
@@ -80,7 +83,7 @@ private fun ExtensionRepoListItem(
         ) {
             Icon(imageVector = Icons.AutoMirrored.Outlined.Label, contentDescription = null)
             Text(
-                text = repo.name,
+                text = store.name,
                 modifier = Modifier.padding(start = MaterialTheme.padding.medium),
                 style = MaterialTheme.typography.titleMedium,
             )
@@ -92,17 +95,21 @@ private fun ExtensionRepoListItem(
         ) {
             IconButton(onClick = onOpenWebsite) {
                 Icon(
-                    imageVector = Icons.AutoMirrored.Outlined.OpenInNew,
+                    imageVector = Icons.Outlined.Public,
                     contentDescription = stringResource(MR.strings.action_open_in_browser),
                 )
             }
 
-            IconButton(
-                onClick = {
-                    val url = "${repo.baseUrl}/index.min.json"
-                    context.copyToClipboard(url, url)
-                },
-            ) {
+            if (store.contact.discord != null) {
+                IconButton(onClick = onOpenDiscord) {
+                    Icon(
+                        imageVector = CustomIcons.Discord,
+                        contentDescription = null,
+                    )
+                }
+            }
+
+            IconButton(onClick = onCopy) {
                 Icon(
                     imageVector = Icons.Outlined.ContentCopy,
                     contentDescription = stringResource(MR.strings.action_copy_to_clipboard),

app/src/main/java/eu/kanade/presentation/more/settings/screen/browse/components/ExtensionStoresDialogs.kt

@@ -0,0 +1,192 @@
+package eu.kanade.presentation.more.settings.screen.browse.components
+
+import androidx.compose.foundation.layout.Arrangement
+import androidx.compose.foundation.layout.Column
+import androidx.compose.foundation.layout.fillMaxWidth
+import androidx.compose.foundation.text.KeyboardOptions
+import androidx.compose.foundation.text.input.TextFieldLineLimits
+import androidx.compose.foundation.text.input.rememberTextFieldState
+import androidx.compose.material3.AlertDialog
+import androidx.compose.material3.OutlinedTextField
+import androidx.compose.material3.Text
+import androidx.compose.material3.TextButton
+import androidx.compose.runtime.Composable
+import androidx.compose.runtime.LaunchedEffect
+import androidx.compose.runtime.derivedStateOf
+import androidx.compose.runtime.getValue
+import androidx.compose.runtime.remember
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.focus.FocusRequester
+import androidx.compose.ui.focus.focusRequester
+import androidx.compose.ui.text.input.KeyboardType
+import androidx.compose.ui.unit.dp
+import kotlinx.coroutines.delay
+import tachiyomi.i18n.MR
+import tachiyomi.presentation.core.i18n.stringResource
+import kotlin.time.Duration.Companion.seconds
+
+@Composable
+fun ExtensionStoreCreateDialog(
+    onDismissRequest: () -> Unit,
+    onCreate: (String) -> Unit,
+    storeIndexUrls: Set<String>,
+    processing: Boolean,
+    errorMessage: String?,
+) {
+    val state = rememberTextFieldState()
+    val storeAlreadyExists by remember(storeIndexUrls) {
+        derivedStateOf {
+            val indexUrl = state.text.toString()
+            storeIndexUrls.contains(indexUrl)
+        }
+    }
+
+    val focusRequester = remember { FocusRequester() }
+
+    AlertDialog(
+        onDismissRequest = onDismissRequest,
+        title = {
+            Text(text = stringResource(MR.strings.extensionStoresScreen_addStore_title))
+        },
+        text = {
+            OutlinedTextField(
+                modifier = Modifier
+                    .fillMaxWidth()
+                    .focusRequester(focusRequester),
+                state = state,
+                label = {
+                    Text(text = stringResource(MR.strings.extensionStoresScreen_addStoreInput_inputLabel))
+                },
+                supportingText = {
+                    val msgRes = if (storeAlreadyExists) {
+                        MR.strings.extensionStoresScreen_addStore_alreadyExists
+                    } else {
+                        MR.strings.information_required_plain
+                    }
+                    Text(text = errorMessage ?: stringResource(msgRes))
+                },
+                isError = errorMessage != null || storeAlreadyExists,
+                keyboardOptions = KeyboardOptions(keyboardType = KeyboardType.Uri),
+                lineLimits = TextFieldLineLimits.SingleLine,
+            )
+        },
+        confirmButton = {
+            TextButton(
+                onClick = { onCreate(state.text.toString()) },
+                enabled = !processing && state.text.isNotEmpty() && !storeAlreadyExists,
+            ) {
+                Text(
+                    text = stringResource(
+                        resource = if (processing) {
+                            MR.strings.extensionStoresScreen_addStore_processing
+                        } else {
+                            MR.strings.action_add
+                        },
+                    ),
+                )
+            }
+        },
+        dismissButton = {
+            TextButton(onClick = onDismissRequest) {
+                Text(text = stringResource(MR.strings.action_cancel))
+            }
+        },
+    )
+
+    LaunchedEffect(focusRequester) {
+        // TODO: https://issuetracker.google.com/issues/204502668
+        delay(0.1.seconds)
+        focusRequester.requestFocus()
+    }
+}
+
+@Composable
+fun ExtensionStoreDeleteDialog(
+    onDismissRequest: () -> Unit,
+    onDelete: () -> Unit,
+    storeName: String,
+    storeIndexUrl: String,
+) {
+    AlertDialog(
+        onDismissRequest = onDismissRequest,
+        title = {
+            Text(text = stringResource(MR.strings.extensionStoresScreen_deleteStore_title))
+        },
+        text = {
+            Text(text = stringResource(MR.strings.extensionStoresScreen_deleteStore_body, storeName, storeIndexUrl))
+        },
+        confirmButton = {
+            TextButton(onClick = {
+                onDelete()
+                onDismissRequest()
+            }) {
+                Text(text = stringResource(MR.strings.action_ok))
+            }
+        },
+        dismissButton = {
+            TextButton(onClick = onDismissRequest) {
+                Text(text = stringResource(MR.strings.action_cancel))
+            }
+        },
+    )
+}
+
+@Composable
+fun ExtensionStoreConfirmDialog(
+    onDismissRequest: () -> Unit,
+    onCreate: () -> Unit,
+    storeIndexUrl: String,
+    storeAlreadyExists: Boolean,
+    processing: Boolean,
+    errorMessage: String?,
+) {
+    val state = rememberTextFieldState(initialText = storeIndexUrl)
+    AlertDialog(
+        onDismissRequest = onDismissRequest,
+        title = {
+            Text(text = stringResource(MR.strings.extensionStoresScreen_addStore_title))
+        },
+        text = {
+            Column(verticalArrangement = Arrangement.spacedBy(4.dp)) {
+                Text(text = stringResource(MR.strings.extensionStoresScreen_addStoreDeeplink_bodyText))
+                OutlinedTextField(
+                    modifier = Modifier.fillMaxWidth(),
+                    state = state,
+                    readOnly = true,
+                    supportingText = when {
+                        storeAlreadyExists -> {
+                            {
+                                Text(text = stringResource(MR.strings.extensionStoresScreen_addStore_alreadyExists))
+                            }
+                        }
+                        errorMessage != null -> {
+                            {
+                                Text(text = errorMessage)
+                            }
+                        }
+                        else -> null
+                    },
+                    isError = errorMessage != null || storeAlreadyExists,
+                )
+            }
+        },
+        confirmButton = {
+            TextButton(onClick = onCreate, enabled = !storeAlreadyExists && !processing) {
+                Text(
+                    text = stringResource(
+                        resource = if (processing) {
+                            MR.strings.extensionStoresScreen_addStore_processing
+                        } else {
+                            MR.strings.action_add
+                        },
+                    ),
+                )
+            }
+        },
+        dismissButton = {
+            TextButton(onClick = onDismissRequest) {
+                Text(text = stringResource(MR.strings.action_cancel))
+            }
+        },
+    )
+}

app/src/main/java/eu/kanade/presentation/more/settings/screen/browse/components/ExtensionStoresScreen.kt

@@ -1,5 +1,3 @@
-@file:JvmName("ExtensionReposScreenKt")
-
 package eu.kanade.presentation.more.settings.screen.browse.components
 
 import androidx.compose.foundation.layout.PaddingValues
@@ -14,8 +12,8 @@ import androidx.compose.runtime.Composable
 import androidx.compose.ui.Modifier
 import eu.kanade.presentation.category.components.CategoryFloatingActionButton
 import eu.kanade.presentation.components.AppBar
-import eu.kanade.presentation.more.settings.screen.browse.RepoScreenState
-import mihon.domain.extensionrepo.model.ExtensionRepo
+import eu.kanade.presentation.more.settings.screen.browse.ExtensionStoreScreenState
+import mihon.domain.extension.model.ExtensionStore
 import tachiyomi.i18n.MR
 import tachiyomi.presentation.core.components.material.Scaffold
 import tachiyomi.presentation.core.components.material.padding
@@ -25,11 +23,13 @@ import tachiyomi.presentation.core.screens.EmptyScreen
 import tachiyomi.presentation.core.util.plus
 
 @Composable
-fun ExtensionReposScreen(
-    state: RepoScreenState.Success,
+fun ExtensionStoresScreen(
+    state: ExtensionStoreScreenState.Success,
     onClickCreate: () -> Unit,
-    onOpenWebsite: (ExtensionRepo) -> Unit,
-    onClickDelete: (String) -> Unit,
+    onCopy: (ExtensionStore) -> Unit,
+    onOpenWebsite: (ExtensionStore) -> Unit,
+    onOpenDiscord: (ExtensionStore) -> Unit,
+    onClickDelete: (ExtensionStore) -> Unit,
     onClickRefresh: () -> Unit,
     navigateUp: () -> Unit,
 ) {
@@ -38,7 +38,7 @@ fun ExtensionReposScreen(
         topBar = { scrollBehavior ->
             AppBar(
                 navigateUp = navigateUp,
-                title = stringResource(MR.strings.label_extension_repos),
+                title = stringResource(MR.strings.extensionStores),
                 scrollBehavior = scrollBehavior,
                 actions = {
                     IconButton(onClick = onClickRefresh) {
@@ -59,18 +59,20 @@ fun ExtensionReposScreen(
     ) { paddingValues ->
         if (state.isEmpty) {
             EmptyScreen(
-                MR.strings.information_empty_repos,
+                MR.strings.extensionStoresScreen_emptyLabel,
                 modifier = Modifier.padding(paddingValues),
             )
             return@Scaffold
         }
 
-        ExtensionReposContent(
-            repos = state.repos,
+        ExtensionStoresContent(
+            repos = state.stores,
             lazyListState = lazyListState,
             paddingValues = paddingValues + topSmallPaddingValues +
                 PaddingValues(horizontal = MaterialTheme.padding.medium),
+            onCopy = onCopy,
             onOpenWebsite = onOpenWebsite,
+            onOpenDiscord = onOpenDiscord,
             onClickDelete = onClickDelete,
         )
     }

app/src/main/java/eu/kanade/tachiyomi/data/backup/create/BackupCreator.kt

@@ -6,13 +6,13 @@ import com.hippo.unifile.UniFile
 import eu.kanade.tachiyomi.BuildConfig
 import eu.kanade.tachiyomi.data.backup.BackupFileValidator
 import eu.kanade.tachiyomi.data.backup.create.creators.CategoriesBackupCreator
-import eu.kanade.tachiyomi.data.backup.create.creators.ExtensionRepoBackupCreator
+import eu.kanade.tachiyomi.data.backup.create.creators.ExtensionStoresBackupCreator
 import eu.kanade.tachiyomi.data.backup.create.creators.MangaBackupCreator
 import eu.kanade.tachiyomi.data.backup.create.creators.PreferenceBackupCreator
 import eu.kanade.tachiyomi.data.backup.create.creators.SourcesBackupCreator
 import eu.kanade.tachiyomi.data.backup.models.Backup
 import eu.kanade.tachiyomi.data.backup.models.BackupCategory
-import eu.kanade.tachiyomi.data.backup.models.BackupExtensionRepos
+import eu.kanade.tachiyomi.data.backup.models.BackupExtensionStore
 import eu.kanade.tachiyomi.data.backup.models.BackupManga
 import eu.kanade.tachiyomi.data.backup.models.BackupPreference
 import eu.kanade.tachiyomi.data.backup.models.BackupSource
@@ -49,7 +49,7 @@ class BackupCreator(
     private val categoriesBackupCreator: CategoriesBackupCreator = CategoriesBackupCreator(),
     private val mangaBackupCreator: MangaBackupCreator = MangaBackupCreator(),
     private val preferenceBackupCreator: PreferenceBackupCreator = PreferenceBackupCreator(),
-    private val extensionRepoBackupCreator: ExtensionRepoBackupCreator = ExtensionRepoBackupCreator(),
+    private val extensionStoresBackupCreator: ExtensionStoresBackupCreator = ExtensionStoresBackupCreator(),
     private val sourcesBackupCreator: SourcesBackupCreator = SourcesBackupCreator(),
 ) {
 
@@ -85,7 +85,7 @@ class BackupCreator(
                 backupCategories = backupCategories(options),
                 backupSources = backupSources(backupManga),
                 backupPreferences = backupAppPreferences(options),
-                backupExtensionRepo = backupExtensionRepos(options),
+                backupExtensionStores = backupExtensionStores(options),
                 backupSourcePreferences = backupSourcePreferences(options),
             )
 
@@ -141,10 +141,10 @@ class BackupCreator(
         return preferenceBackupCreator.createApp(includePrivatePreferences = options.privateSettings)
     }
 
-    private suspend fun backupExtensionRepos(options: BackupOptions): List<BackupExtensionRepos> {
-        if (!options.extensionRepoSettings) return emptyList()
+    private suspend fun backupExtensionStores(options: BackupOptions): List<BackupExtensionStore> {
+        if (!options.extensionStores) return emptyList()
 
-        return extensionRepoBackupCreator()
+        return extensionStoresBackupCreator()
     }
 
     private fun backupSourcePreferences(options: BackupOptions): List<BackupSourcePreferences> {

app/src/main/java/eu/kanade/tachiyomi/data/backup/create/BackupOptions.kt

@@ -12,7 +12,7 @@ data class BackupOptions(
     val history: Boolean = true,
     val readEntries: Boolean = true,
     val appSettings: Boolean = true,
-    val extensionRepoSettings: Boolean = true,
+    val extensionStores: Boolean = true,
     val sourceSettings: Boolean = true,
     val privateSettings: Boolean = false,
 ) {
@@ -25,12 +25,12 @@ data class BackupOptions(
         history,
         readEntries,
         appSettings,
-        extensionRepoSettings,
+        extensionStores,
         sourceSettings,
         privateSettings,
     )
 
-    fun canCreate() = libraryEntries || categories || appSettings || extensionRepoSettings || sourceSettings
+    fun canCreate() = libraryEntries || categories || appSettings || extensionStores || sourceSettings
 
     companion object {
         val libraryOptions = persistentListOf(
@@ -77,9 +77,9 @@ data class BackupOptions(
                 setter = { options, enabled -> options.copy(appSettings = enabled) },
             ),
             Entry(
-                label = MR.strings.extensionRepo_settings,
-                getter = BackupOptions::extensionRepoSettings,
-                setter = { options, enabled -> options.copy(extensionRepoSettings = enabled) },
+                label = MR.strings.extensionStores,
+                getter = BackupOptions::extensionStores,
+                setter = { options, enabled -> options.copy(extensionStores = enabled) },
             ),
             Entry(
                 label = MR.strings.source_settings,
@@ -102,7 +102,7 @@ data class BackupOptions(
             history = array[4],
             readEntries = array[5],
             appSettings = array[6],
-            extensionRepoSettings = array[7],
+            extensionStores = array[7],
             sourceSettings = array[8],
             privateSettings = array[9],
         )

app/src/main/java/eu/kanade/tachiyomi/data/backup/create/creators/ExtensionRepoBackupCreator.kt

@@ -1,17 +0,0 @@
-package eu.kanade.tachiyomi.data.backup.create.creators
-
-import eu.kanade.tachiyomi.data.backup.models.BackupExtensionRepos
-import eu.kanade.tachiyomi.data.backup.models.backupExtensionReposMapper
-import mihon.domain.extensionrepo.interactor.GetExtensionRepo
-import uy.kohesive.injekt.Injekt
-import uy.kohesive.injekt.api.get
-
-class ExtensionRepoBackupCreator(
-    private val getExtensionRepos: GetExtensionRepo = Injekt.get(),
-) {
-
-    suspend operator fun invoke(): List<BackupExtensionRepos> {
-        return getExtensionRepos.getAll()
-            .map(backupExtensionReposMapper)
-    }
-}

app/src/main/java/eu/kanade/tachiyomi/data/backup/create/creators/ExtensionStoresBackupCreator.kt

@@ -0,0 +1,17 @@
+package eu.kanade.tachiyomi.data.backup.create.creators
+
+import eu.kanade.tachiyomi.data.backup.models.BackupExtensionStore
+import eu.kanade.tachiyomi.data.backup.models.backupExtensionStoreMapper
+import mihon.domain.extension.interactor.GetExtensionStores
+import uy.kohesive.injekt.Injekt
+import uy.kohesive.injekt.api.get
+
+class ExtensionStoresBackupCreator(
+    private val getExtensionStores: GetExtensionStores = Injekt.get(),
+) {
+
+    suspend operator fun invoke(): List<BackupExtensionStore> {
+        return getExtensionStores.get()
+            .map(backupExtensionStoreMapper)
+    }
+}

app/src/main/java/eu/kanade/tachiyomi/data/backup/models/Backup.kt

@@ -11,5 +11,5 @@ data class Backup(
     @ProtoNumber(101) var backupSources: List<BackupSource> = emptyList(),
     @ProtoNumber(104) var backupPreferences: List<BackupPreference> = emptyList(),
     @ProtoNumber(105) var backupSourcePreferences: List<BackupSourcePreferences> = emptyList(),
-    @ProtoNumber(106) var backupExtensionRepo: List<BackupExtensionRepos> = emptyList(),
+    @ProtoNumber(106) var backupExtensionStores: List<BackupExtensionStore> = emptyList(),
 )

app/src/main/java/eu/kanade/tachiyomi/data/backup/models/BackupExtensionRepos.kt

@@ -1,24 +0,0 @@
-package eu.kanade.tachiyomi.data.backup.models
-
-import kotlinx.serialization.Serializable
-import kotlinx.serialization.protobuf.ProtoNumber
-import mihon.domain.extensionrepo.model.ExtensionRepo
-
-@Serializable
-class BackupExtensionRepos(
-    @ProtoNumber(1) var baseUrl: String,
-    @ProtoNumber(2) var name: String,
-    @ProtoNumber(3) var shortName: String?,
-    @ProtoNumber(4) var website: String,
-    @ProtoNumber(5) var signingKeyFingerprint: String,
-)
-
-val backupExtensionReposMapper = { repo: ExtensionRepo ->
-    BackupExtensionRepos(
-        baseUrl = repo.baseUrl,
-        name = repo.name,
-        shortName = repo.shortName,
-        website = repo.website,
-        signingKeyFingerprint = repo.signingKeyFingerprint,
-    )
-}

app/src/main/java/eu/kanade/tachiyomi/data/backup/models/BackupExtensionStore.kt

@@ -0,0 +1,28 @@
+package eu.kanade.tachiyomi.data.backup.models
+
+import kotlinx.serialization.Serializable
+import kotlinx.serialization.protobuf.ProtoNumber
+import mihon.domain.extension.model.ExtensionStore
+
+@Serializable
+class BackupExtensionStore(
+    @ProtoNumber(1) var indexUrl: String,
+    @ProtoNumber(2) var name: String,
+    @ProtoNumber(3) var badgeLabel: String?,
+    @ProtoNumber(5) var signingKey: String,
+    @ProtoNumber(4) var contactWebsite: String,
+    @ProtoNumber(6) var contactDiscord: String?,
+    @ProtoNumber(7) var isLegacy: Boolean?,
+)
+
+val backupExtensionStoreMapper = { store: ExtensionStore ->
+    BackupExtensionStore(
+        indexUrl = store.indexUrl,
+        name = store.name,
+        badgeLabel = store.badgeLabel,
+        signingKey = store.signingKey,
+        contactWebsite = store.contact.website,
+        contactDiscord = store.contact.discord,
+        isLegacy = store.isLegacy,
+    )
+}

app/src/main/java/eu/kanade/tachiyomi/data/backup/restore/BackupRestorer.kt

@@ -5,12 +5,12 @@ import android.net.Uri
 import eu.kanade.tachiyomi.data.backup.BackupDecoder
 import eu.kanade.tachiyomi.data.backup.BackupNotifier
 import eu.kanade.tachiyomi.data.backup.models.BackupCategory
-import eu.kanade.tachiyomi.data.backup.models.BackupExtensionRepos
+import eu.kanade.tachiyomi.data.backup.models.BackupExtensionStore
 import eu.kanade.tachiyomi.data.backup.models.BackupManga
 import eu.kanade.tachiyomi.data.backup.models.BackupPreference
 import eu.kanade.tachiyomi.data.backup.models.BackupSourcePreferences
 import eu.kanade.tachiyomi.data.backup.restore.restorers.CategoriesRestorer
-import eu.kanade.tachiyomi.data.backup.restore.restorers.ExtensionRepoRestorer
+import eu.kanade.tachiyomi.data.backup.restore.restorers.ExtensionStoreRestorer
 import eu.kanade.tachiyomi.data.backup.restore.restorers.MangaRestorer
 import eu.kanade.tachiyomi.data.backup.restore.restorers.PreferenceRestorer
 import eu.kanade.tachiyomi.util.system.createFileInCacheDir
@@ -32,7 +32,7 @@ class BackupRestorer(
 
     private val categoriesRestorer: CategoriesRestorer = CategoriesRestorer(),
     private val preferenceRestorer: PreferenceRestorer = PreferenceRestorer(context),
-    private val extensionRepoRestorer: ExtensionRepoRestorer = ExtensionRepoRestorer(),
+    private val extensionStoreRestorer: ExtensionStoreRestorer = ExtensionStoreRestorer(),
     private val mangaRestorer: MangaRestorer = MangaRestorer(),
 ) {
 
@@ -79,8 +79,8 @@ class BackupRestorer(
         if (options.appSettings) {
             restoreAmount += 1
         }
-        if (options.extensionRepoSettings) {
-            restoreAmount += backup.backupExtensionRepo.size
+        if (options.extensionStores) {
+            restoreAmount += backup.backupExtensionStores.size
         }
         if (options.sourceSettings) {
             restoreAmount += 1
@@ -99,8 +99,8 @@ class BackupRestorer(
             if (options.libraryEntries) {
                 restoreManga(backup.backupManga, if (options.categories) backup.backupCategories else emptyList())
             }
-            if (options.extensionRepoSettings) {
-                restoreExtensionRepos(backup.backupExtensionRepo)
+            if (options.extensionStores) {
+                restoreExtensionStores(backup.backupExtensionStores)
             }
 
             // TODO: optionally trigger online library + tracker update
@@ -172,22 +172,22 @@ class BackupRestorer(
         )
     }
 
-    private fun CoroutineScope.restoreExtensionRepos(
-        backupExtensionRepo: List<BackupExtensionRepos>,
+    private fun CoroutineScope.restoreExtensionStores(
+        backupExtensionStores: List<BackupExtensionStore>,
     ) = launch {
-        backupExtensionRepo
+        backupExtensionStores
             .forEach {
                 ensureActive()
 
                 try {
-                    extensionRepoRestorer(it)
+                    extensionStoreRestorer(it)
                 } catch (e: Exception) {
                     errors.add(Date() to "Error Adding Repo: ${it.name} : ${e.message}")
                 }
 
                 restoreProgress += 1
                 notifier.showRestoreProgress(
-                    context.stringResource(MR.strings.extensionRepo_settings),
+                    context.stringResource(MR.strings.extensionStores),
                     restoreProgress,
                     restoreAmount,
                     isSync,

app/src/main/java/eu/kanade/tachiyomi/data/backup/restore/RestoreOptions.kt

@@ -8,7 +8,7 @@ data class RestoreOptions(
     val libraryEntries: Boolean = true,
     val categories: Boolean = true,
     val appSettings: Boolean = true,
-    val extensionRepoSettings: Boolean = true,
+    val extensionStores: Boolean = true,
     val sourceSettings: Boolean = true,
 ) {
 
@@ -16,11 +16,11 @@ data class RestoreOptions(
         libraryEntries,
         categories,
         appSettings,
-        extensionRepoSettings,
+        extensionStores,
         sourceSettings,
     )
 
-    fun canRestore() = libraryEntries || categories || appSettings || extensionRepoSettings || sourceSettings
+    fun canRestore() = libraryEntries || categories || appSettings || extensionStores || sourceSettings
 
     companion object {
         val options = persistentListOf(
@@ -40,9 +40,9 @@ data class RestoreOptions(
                 setter = { options, enabled -> options.copy(appSettings = enabled) },
             ),
             Entry(
-                label = MR.strings.extensionRepo_settings,
-                getter = RestoreOptions::extensionRepoSettings,
-                setter = { options, enabled -> options.copy(extensionRepoSettings = enabled) },
+                label = MR.strings.extensionStores,
+                getter = RestoreOptions::extensionStores,
+                setter = { options, enabled -> options.copy(extensionStores = enabled) },
             ),
             Entry(
                 label = MR.strings.source_settings,
@@ -55,7 +55,7 @@ data class RestoreOptions(
             libraryEntries = array[0],
             categories = array[1],
             appSettings = array[2],
-            extensionRepoSettings = array[3],
+            extensionStores = array[3],
             sourceSettings = array[4],
         )
     }

app/src/main/java/eu/kanade/tachiyomi/data/backup/restore/restorers/ExtensionRepoRestorer.kt

@@ -1,38 +0,0 @@
-package eu.kanade.tachiyomi.data.backup.restore.restorers
-
-import eu.kanade.tachiyomi.data.backup.models.BackupExtensionRepos
-import mihon.domain.extensionrepo.interactor.GetExtensionRepo
-import tachiyomi.data.Database
-import uy.kohesive.injekt.Injekt
-import uy.kohesive.injekt.api.get
-
-class ExtensionRepoRestorer(
-    private val database: Database = Injekt.get(),
-    private val getExtensionRepos: GetExtensionRepo = Injekt.get(),
-) {
-
-    suspend operator fun invoke(
-        backupRepo: BackupExtensionRepos,
-    ) {
-        val dbRepos = getExtensionRepos.getAll()
-        val existingReposBySHA = dbRepos.associateBy { it.signingKeyFingerprint }
-        val existingReposByUrl = dbRepos.associateBy { it.baseUrl }
-
-        val urlExists = existingReposByUrl[backupRepo.baseUrl]
-        val shaExists = existingReposBySHA[backupRepo.signingKeyFingerprint]
-
-        if (urlExists != null && urlExists.signingKeyFingerprint != backupRepo.signingKeyFingerprint) {
-            error("Already Exists with different signing key fingerprint")
-        } else if (shaExists != null) {
-            error("${shaExists.name} has the same signing key fingerprint")
-        } else {
-            database.extension_reposQueries.insert(
-                backupRepo.baseUrl,
-                backupRepo.name,
-                backupRepo.shortName,
-                backupRepo.website,
-                backupRepo.signingKeyFingerprint,
-            )
-        }
-    }
-}

app/src/main/java/eu/kanade/tachiyomi/data/backup/restore/restorers/ExtensionStoreRestorer.kt

@@ -0,0 +1,25 @@
+package eu.kanade.tachiyomi.data.backup.restore.restorers
+
+import eu.kanade.tachiyomi.data.backup.models.BackupExtensionStore
+import tachiyomi.data.Database
+import uy.kohesive.injekt.Injekt
+import uy.kohesive.injekt.api.get
+
+class ExtensionStoreRestorer(
+    private val database: Database = Injekt.get(),
+) {
+
+    suspend operator fun invoke(
+        backupStore: BackupExtensionStore,
+    ) {
+        database.extension_storeQueries.upsert(
+            indexUrl = backupStore.indexUrl,
+            name = backupStore.name,
+            badgeLabel = backupStore.badgeLabel ?: backupStore.name,
+            signingKey = backupStore.signingKey,
+            contactWebsite = backupStore.contactWebsite,
+            contactDiscord = backupStore.contactDiscord,
+            isLegacy = backupStore.isLegacy ?: true,
+        )
+    }
+}

app/src/main/java/eu/kanade/tachiyomi/extension/ExtensionManager.kt

@@ -204,11 +204,11 @@ class ExtensionManager(
                 if (extension.hasUpdate != hasUpdate) {
                     installedExtensionsMap[pkgName] = extension.copy(
                         hasUpdate = hasUpdate,
-                        repoUrl = availableExt.repoUrl,
+                        store = availableExt.store,
                     )
                 } else {
                     installedExtensionsMap[pkgName] = extension.copy(
-                        repoUrl = availableExt.repoUrl,
+                        store = availableExt.store,
                     )
                 }
                 changed = true
@@ -228,7 +228,7 @@ class ExtensionManager(
      * @param extension The extension to be installed.
      */
     fun installExtension(extension: Extension.Available): Flow<InstallStep> {
-        return installer.downloadAndInstall(api.getApkUrl(extension), extension)
+        return installer.downloadAndInstall(extension.apkUrl, extension)
     }
 
     /**

app/src/main/java/eu/kanade/tachiyomi/extension/api/ExtensionApi.kt

@@ -5,64 +5,29 @@ import eu.kanade.tachiyomi.extension.ExtensionManager
 import eu.kanade.tachiyomi.extension.model.Extension
 import eu.kanade.tachiyomi.extension.model.LoadResult
 import eu.kanade.tachiyomi.extension.util.ExtensionLoader
-import eu.kanade.tachiyomi.network.GET
-import eu.kanade.tachiyomi.network.NetworkHelper
-import eu.kanade.tachiyomi.network.awaitSuccess
-import eu.kanade.tachiyomi.network.parseAs
-import kotlinx.coroutines.async
-import kotlinx.coroutines.awaitAll
-import kotlinx.serialization.Serializable
-import kotlinx.serialization.json.Json
-import logcat.LogPriority
-import mihon.domain.extensionrepo.interactor.GetExtensionRepo
-import mihon.domain.extensionrepo.interactor.UpdateExtensionRepo
-import mihon.domain.extensionrepo.model.ExtensionRepo
+import mihon.domain.extension.interactor.UpdateExtensionStores
+import mihon.domain.extension.repository.ExtensionStoreRepository
 import tachiyomi.core.common.preference.Preference
 import tachiyomi.core.common.preference.PreferenceStore
 import tachiyomi.core.common.util.lang.withIOContext
-import tachiyomi.core.common.util.system.logcat
 import uy.kohesive.injekt.injectLazy
 import java.time.Instant
 import kotlin.time.Duration.Companion.days
 
 internal class ExtensionApi {
 
-    private val networkService: NetworkHelper by injectLazy()
+    private val repository: ExtensionStoreRepository by injectLazy()
+
     private val preferenceStore: PreferenceStore by injectLazy()
-    private val getExtensionRepo: GetExtensionRepo by injectLazy()
-    private val updateExtensionRepo: UpdateExtensionRepo by injectLazy()
+    private val updateExtensionStores: UpdateExtensionStores by injectLazy()
     private val extensionManager: ExtensionManager by injectLazy()
-    private val json: Json by injectLazy()
 
     private val lastExtCheck: Preference<Long> by lazy {
         preferenceStore.getLong(Preference.appStateKey("last_ext_check"), 0)
     }
 
     suspend fun findExtensions(): List<Extension.Available> {
-        return withIOContext {
-            getExtensionRepo.getAll()
-                .map { async { getExtensions(it) } }
-                .awaitAll()
-                .flatten()
-        }
-    }
-
-    private suspend fun getExtensions(extRepo: ExtensionRepo): List<Extension.Available> {
-        val repoBaseUrl = extRepo.baseUrl
-        return try {
-            val response = networkService.client
-                .newCall(GET("$repoBaseUrl/index.min.json"))
-                .awaitSuccess()
-
-            with(json) {
-                response
-                    .parseAs<List<ExtensionJsonObject>>()
-                    .toExtensions(repoBaseUrl)
-            }
-        } catch (e: Throwable) {
-            logcat(LogPriority.ERROR, e) { "Failed to get extensions from $repoBaseUrl" }
-            emptyList()
-        }
+        return withIOContext { repository.fetchExtensions() }
     }
 
     suspend fun checkForUpdates(
@@ -76,8 +41,7 @@ internal class ExtensionApi {
             return null
         }
 
-        // Update extension repo details
-        updateExtensionRepo.awaitAll()
+        updateExtensionStores()
 
         val extensions = if (fromAvailableExtensionList) {
             extensionManager.availableExtensionsFlow.value
@@ -107,64 +71,4 @@ internal class ExtensionApi {
 
         return extensionsWithUpdate
     }
-
-    private fun List<ExtensionJsonObject>.toExtensions(repoUrl: String): List<Extension.Available> {
-        return this
-            .filter {
-                val libVersion = it.extractLibVersion()
-                libVersion >= ExtensionLoader.LIB_VERSION_MIN && libVersion <= ExtensionLoader.LIB_VERSION_MAX
-            }
-            .map {
-                Extension.Available(
-                    name = it.name.substringAfter("Tachiyomi: "),
-                    pkgName = it.pkg,
-                    versionName = it.version,
-                    versionCode = it.code,
-                    libVersion = it.extractLibVersion(),
-                    lang = it.lang,
-                    isNsfw = it.nsfw == 1,
-                    sources = it.sources?.map(extensionSourceMapper).orEmpty(),
-                    apkName = it.apk,
-                    iconUrl = "$repoUrl/icon/${it.pkg}.png",
-                    repoUrl = repoUrl,
-                )
-            }
-    }
-
-    fun getApkUrl(extension: Extension.Available): String {
-        return "${extension.repoUrl}/apk/${extension.apkName}"
-    }
-
-    private fun ExtensionJsonObject.extractLibVersion(): Double {
-        return version.substringBeforeLast('.').toDouble()
-    }
-}
-
-@Serializable
-private data class ExtensionJsonObject(
-    val name: String,
-    val pkg: String,
-    val apk: String,
-    val lang: String,
-    val code: Long,
-    val version: String,
-    val nsfw: Int,
-    val sources: List<ExtensionSourceJsonObject>?,
-)
-
-@Serializable
-private data class ExtensionSourceJsonObject(
-    val id: Long,
-    val lang: String,
-    val name: String,
-    val baseUrl: String,
-)
-
-private val extensionSourceMapper: (ExtensionSourceJsonObject) -> Extension.Available.Source = {
-    Extension.Available.Source(
-        id = it.id,
-        lang = it.lang,
-        name = it.name,
-        baseUrl = it.baseUrl,
-    )
 }

app/src/main/java/eu/kanade/tachiyomi/ui/browse/extension/ExtensionsTab.kt

@@ -16,7 +16,7 @@ import cafe.adriel.voyager.navigator.currentOrThrow
 import eu.kanade.presentation.browse.ExtensionScreen
 import eu.kanade.presentation.components.AppBar
 import eu.kanade.presentation.components.TabContent
-import eu.kanade.presentation.more.settings.screen.browse.ExtensionReposScreen
+import eu.kanade.presentation.more.settings.screen.browse.ExtensionStoresScreen
 import eu.kanade.tachiyomi.extension.model.Extension
 import eu.kanade.tachiyomi.ui.browse.extension.details.ExtensionDetailsScreen
 import eu.kanade.tachiyomi.ui.webview.WebViewScreen
@@ -45,8 +45,8 @@ fun extensionsTab(
                 onClick = { navigator.push(ExtensionFilterScreen()) },
             ),
             AppBar.OverflowAction(
-                title = stringResource(MR.strings.label_extension_repos),
-                onClick = { navigator.push(ExtensionReposScreen()) },
+                title = stringResource(MR.strings.extensionStores),
+                onClick = { navigator.push(ExtensionStoresScreen()) },
             ),
         ),
         content = { contentPadding, _ ->

app/src/main/java/eu/kanade/tachiyomi/ui/main/MainActivity.kt

@@ -74,7 +74,7 @@ import eu.kanade.presentation.components.AppStateBanners
 import eu.kanade.presentation.components.DownloadedOnlyBannerBackgroundColor
 import eu.kanade.presentation.components.IncognitoModeBannerBackgroundColor
 import eu.kanade.presentation.components.IndexingBannerBackgroundColor
-import eu.kanade.presentation.more.settings.screen.browse.ExtensionReposScreen
+import eu.kanade.presentation.more.settings.screen.browse.ExtensionStoresScreen
 import eu.kanade.presentation.more.settings.screen.data.RestoreBackupScreen
 import eu.kanade.presentation.util.AssistContentScreen
 import eu.kanade.presentation.util.DefaultNavigatorScreenTransition
@@ -562,11 +562,11 @@ class MainActivity : BaseActivity() {
                     navigator.popUntilRoot()
                     navigator.push(RestoreBackupScreen(intent.data.toString()))
                 }
-                // Deep link to add extension repo
-                else if (intent.scheme == "tachiyomi" && intent.data?.host == "add-repo") {
+                // Deep link to add extension store
+                else if (intent.isAddExtensionStoreIntent()) {
                     intent.data?.getQueryParameter("url")?.let { repoUrl ->
                         navigator.popUntilRoot()
-                        navigator.push(ExtensionReposScreen(repoUrl))
+                        navigator.push(ExtensionStoresScreen(repoUrl))
                     }
                 }
                 null
@@ -582,6 +582,11 @@ class MainActivity : BaseActivity() {
         return true
     }
 
+    private fun Intent.isAddExtensionStoreIntent(): Boolean {
+        return (scheme == "tachiyomi" && data?.host == "add-repo") ||
+            (scheme == "mihon" && data?.host == "extension-store")
+    }
+
     companion object {
         const val INTENT_SEARCH = "eu.kanade.tachiyomi.SEARCH"
         const val INTENT_SEARCH_QUERY = "query"

app/src/main/java/mihon/core/migration/migrations/TrustExtensionRepositoryMigration.kt

@@ -4,8 +4,7 @@ import eu.kanade.domain.source.service.SourcePreferences
 import logcat.LogPriority
 import mihon.core.migration.Migration
 import mihon.core.migration.MigrationContext
-import mihon.domain.extensionrepo.exception.SaveExtensionRepoException
-import mihon.domain.extensionrepo.repository.ExtensionRepoRepository
+import mihon.domain.extension.repository.ExtensionStoreRepository
 import tachiyomi.core.common.util.lang.withIOContext
 import tachiyomi.core.common.util.system.logcat
 
@@ -14,18 +13,14 @@ class TrustExtensionRepositoryMigration : Migration {
 
     override suspend fun invoke(migrationContext: MigrationContext): Boolean = withIOContext {
         val sourcePreferences = migrationContext.get<SourcePreferences>() ?: return@withIOContext false
-        val extensionRepositoryRepository =
-            migrationContext.get<ExtensionRepoRepository>() ?: return@withIOContext false
+        val repository = migrationContext.get<ExtensionStoreRepository>() ?: return@withIOContext false
         for ((index, source) in sourcePreferences.extensionRepos.get().withIndex()) {
             try {
-                extensionRepositoryRepository.upsertRepo(
-                    source,
-                    "Repo #${index + 1}",
-                    null,
-                    source,
-                    "NOFINGERPRINT-${index + 1}",
+                repository.insertFromPreference(
+                    indexUrl = source.removeSuffix("/index.min.json").removeSuffix("/index.json") + "/repo.json",
+                    name = "Repo #${index + 1}",
                 )
-            } catch (e: SaveExtensionRepoException) {
+            } catch (e: Exception) {
                 logcat(LogPriority.ERROR, e) { "Error Migrating Extension Repo with baseUrl: $source" }
             }
         }

data/build.gradle.kts

@@ -23,7 +23,7 @@ android {
 
 kotlin {
     compilerOptions {
-        freeCompilerArgs.add("-opt-in=kotlinx.serialization.ExperimentalSerializationApi")
+        optIn.add("kotlinx.serialization.ExperimentalSerializationApi")
     }
 }
 
@@ -32,5 +32,9 @@ dependencies {
     implementation(projects.domain)
     implementation(projects.core.common)
 
+    implementation(libs.kotlinx.serialization.json)
+    implementation(libs.kotlinx.serialization.jsonOkio)
+    implementation(libs.kotlinx.serialization.protobuf)
+
     api(libs.bundles.sqldelight)
 }

data/src/main/java/mihon/data/extension/model/BaseNetworkExtensionStore.kt

@@ -0,0 +1,7 @@
+package mihon.data.extension.model
+
+import mihon.domain.extension.model.ExtensionStore
+
+interface BaseNetworkExtensionStore {
+    fun toExtensionStore(indexUrl: String): ExtensionStore
+}

data/src/main/java/mihon/data/extension/model/NetworkExtensionStore.kt

@@ -0,0 +1,110 @@
+package mihon.data.extension.model
+
+import android.annotation.SuppressLint
+import kotlinx.serialization.Serializable
+import kotlinx.serialization.json.JsonNames
+import kotlinx.serialization.protobuf.ProtoNumber
+import mihon.domain.extension.model.ExtensionStore
+
+@SuppressLint("UnsafeOptInUsageError")
+@Serializable
+data class NetworkExtensionStore(
+    @ProtoNumber(1) val name: String,
+    @ProtoNumber(2) val badgeLabel: String,
+    @ProtoNumber(3) val signingKey: String,
+    @ProtoNumber(4) val contact: Contact,
+    @ProtoNumber(5) val extensions: List<Extension>,
+) : BaseNetworkExtensionStore {
+    @Serializable
+    data class Contact(
+        @ProtoNumber(1) val website: String,
+        @ProtoNumber(2) val discord: String?,
+    )
+
+    @Serializable
+    data class Extension(
+        @ProtoNumber(1) val name: String,
+        @ProtoNumber(2) val packageName: String,
+        @ProtoNumber(3) val resources: Resources,
+        @ProtoNumber(4) val extensionLib: String,
+        @ProtoNumber(5) val versionCode: Long,
+        @ProtoNumber(6) val versionName: String,
+        @ProtoNumber(7) val sources: List<Source>,
+    )
+
+    @Serializable
+    data class Resources(
+        @ProtoNumber(1) val apkUrl: String,
+        @ProtoNumber(2) val iconUrl: String,
+    )
+
+    @Serializable
+    data class Source(
+        @ProtoNumber(1) val id: Long,
+        @ProtoNumber(2) val name: String,
+        @ProtoNumber(3) val language: String,
+        @ProtoNumber(4) val homeUrl: String = "",
+        @ProtoNumber(5) val mirrorUrls: List<String> = emptyList(),
+        @ProtoNumber(6) val contentRating: ContentRating = ContentRating.SAFE,
+        @ProtoNumber(7) val message: String? = null,
+    )
+
+    @Suppress("Unused")
+    enum class ContentRating {
+        @ProtoNumber(0)
+        @JsonNames("CONTENT_RATING_SAFE")
+        SAFE,
+
+        @ProtoNumber(1)
+        @JsonNames("CONTENT_RATING_SUGGESTIVE")
+        SUGGESTIVE,
+
+        @ProtoNumber(2)
+        @JsonNames("CONTENT_RATING_EROTICA")
+        EROTICA,
+
+        @ProtoNumber(3)
+        @JsonNames("CONTENT_RATING_PORNOGRAPHIC")
+        PORNOGRAPHIC,
+    }
+
+    override fun toExtensionStore(indexUrl: String): ExtensionStore {
+        return ExtensionStore(
+            indexUrl = indexUrl,
+            name = name,
+            badgeLabel = badgeLabel,
+            signingKey = signingKey,
+            contact = ExtensionStore.Contact(
+                website = contact.website,
+                discord = contact.discord,
+            ),
+            isLegacy = false,
+        )
+    }
+
+    fun toAvailableExtensions(store: ExtensionStore): List<eu.kanade.tachiyomi.extension.model.Extension.Available> {
+        return extensions.map { extension ->
+            val lang = extension.sources.map { it.language }.toSet()
+            eu.kanade.tachiyomi.extension.model.Extension.Available(
+                name = extension.name,
+                pkgName = extension.packageName,
+                apkUrl = extension.resources.apkUrl,
+                iconUrl = extension.resources.iconUrl,
+                libVersion = extension.extensionLib.toDouble(),
+                versionCode = extension.versionCode,
+                versionName = extension.versionName,
+                lang = if (lang.size == 1) lang.first() else "all",
+                isNsfw = extension.sources.maxOfOrNull { it.contentRating } == ContentRating.PORNOGRAPHIC,
+                sources = extension.sources.map { source ->
+                    eu.kanade.tachiyomi.extension.model.Extension.Available.Source(
+                        id = source.id,
+                        name = source.name,
+                        lang = source.language,
+                        baseUrl = source.homeUrl,
+                    )
+                },
+                store = store,
+            )
+        }
+    }
+}

data/src/main/java/mihon/data/extension/model/NetworkLegacyExtension.kt

@@ -0,0 +1,61 @@
+package mihon.data.extension.model
+
+import android.annotation.SuppressLint
+import eu.kanade.tachiyomi.extension.model.Extension
+import kotlinx.serialization.Serializable
+import mihon.domain.extension.model.ExtensionStore
+
+@SuppressLint("UnsafeOptInUsageError")
+@Serializable
+data class NetworkLegacyExtension(
+    val name: String,
+    val pkg: String,
+    val apk: String,
+    val lang: String,
+    val code: Long,
+    val version: String,
+    val nsfw: Int,
+    val sources: List<Source>?,
+) {
+    @Serializable
+    data class Source(
+        val id: Long,
+        val lang: String,
+        val name: String,
+        val baseUrl: String,
+    )
+
+    fun toAvailableExtension(store: ExtensionStore, storeBaseUrl: String): Extension.Available {
+        return Extension.Available(
+            name = name.substringAfter("Tachiyomi: "),
+            pkgName = pkg,
+            apkUrl = "$storeBaseUrl/apk/$apk",
+            iconUrl = "$storeBaseUrl/icon/$pkg.png",
+            libVersion = version.substringBeforeLast('.').toDouble(),
+            versionCode = code,
+            versionName = version,
+            lang = lang,
+            isNsfw = nsfw == 1,
+            sources = if (sources.isNullOrEmpty()) {
+                listOf(
+                    Extension.Available.Source(
+                        id = 0,
+                        name = name,
+                        lang = lang,
+                        baseUrl = "",
+                    ),
+                )
+            } else {
+                sources.map { source ->
+                    Extension.Available.Source(
+                        id = source.id,
+                        name = source.name,
+                        lang = source.lang,
+                        baseUrl = source.baseUrl,
+                    )
+                }
+            },
+            store = store,
+        )
+    }
+}

data/src/main/java/mihon/data/extension/model/NetworkLegacyExtensionRepo.kt

@@ -0,0 +1,33 @@
+package mihon.data.extension.model
+
+import android.annotation.SuppressLint
+import kotlinx.serialization.Serializable
+import mihon.domain.extension.model.ExtensionStore
+
+@SuppressLint("UnsafeOptInUsageError")
+@Serializable
+data class NetworkLegacyExtensionRepo(
+    val meta: Meta,
+) : BaseNetworkExtensionStore {
+    @Serializable
+    data class Meta(
+        val name: String,
+        val shortName: String?,
+        val website: String,
+        val signingKeyFingerprint: String,
+    )
+
+    override fun toExtensionStore(indexUrl: String): ExtensionStore {
+        return ExtensionStore(
+            indexUrl = indexUrl,
+            name = meta.name,
+            badgeLabel = meta.shortName ?: meta.name,
+            signingKey = meta.signingKeyFingerprint,
+            contact = ExtensionStore.Contact(
+                website = meta.website,
+                discord = null,
+            ),
+            isLegacy = true,
+        )
+    }
+}

data/src/main/java/mihon/data/extension/repository/ExtensionStoreRepositoryImpl.kt

@@ -0,0 +1,124 @@
+package mihon.data.extension.repository
+
+import app.cash.sqldelight.async.coroutines.awaitAsList
+import eu.kanade.tachiyomi.extension.model.Extension
+import kotlinx.coroutines.async
+import kotlinx.coroutines.awaitAll
+import kotlinx.coroutines.flow.Flow
+import kotlinx.coroutines.supervisorScope
+import logcat.LogPriority
+import mihon.data.extension.service.ExtensionStoreService
+import mihon.domain.extension.model.ExtensionStore
+import mihon.domain.extension.repository.ExtensionStoreRepository
+import tachiyomi.core.common.util.system.logcat
+import tachiyomi.data.Database
+import tachiyomi.data.subscribeToList
+import tachiyomi.data.subscribeToOne
+
+class ExtensionStoreRepositoryImpl(
+    private val service: ExtensionStoreService,
+    private val database: Database,
+) : ExtensionStoreRepository {
+    override suspend fun insert(indexUrl: String): Result<Unit> {
+        return service.fetch(indexUrl).mapCatching { upsert(it) }
+    }
+
+    override suspend fun insertFromPreference(indexUrl: String, name: String) {
+        database.extension_storeQueries.upsert(
+            indexUrl = indexUrl,
+            name = name,
+            badgeLabel = name,
+            signingKey = "NO_SIGNING_KEY",
+            contactWebsite = indexUrl,
+            contactDiscord = null,
+            isLegacy = false,
+        )
+    }
+
+    override suspend fun refreshAll() {
+        try {
+            database.extension_storeQueries.getAll().awaitAsList().forEach { store ->
+                service.fetch(store.index_url)
+                    .mapCatching { upsert(it) }
+                    .onFailure {
+                        logcat(LogPriority.ERROR, it) {
+                            "Failed to refresh extension store '${store.name} (${store.index_url})'"
+                        }
+                    }
+            }
+        } catch (e: Exception) {
+            logcat(LogPriority.ERROR, e)
+        }
+    }
+
+    private suspend fun upsert(store: ExtensionStore) {
+        database.extension_storeQueries.upsert(
+            indexUrl = store.indexUrl,
+            name = store.name,
+            badgeLabel = store.badgeLabel,
+            signingKey = store.signingKey,
+            contactWebsite = store.contact.website,
+            contactDiscord = store.contact.discord,
+            isLegacy = store.isLegacy,
+        )
+    }
+
+    override suspend fun fetchExtensions(): List<Extension.Available> {
+        return try {
+            supervisorScope {
+                database.extension_storeQueries.getAll(::extensionStoreMapper).awaitAsList().map { store ->
+                    async {
+                        service.getExtensions(store).onFailure {
+                            this@ExtensionStoreRepositoryImpl.logcat(LogPriority.ERROR, it) {
+                                "Failed to fetch extensions for store '${store.name} (${store.indexUrl})'"
+                            }
+                        }
+                    }
+                }
+                    .awaitAll()
+                    .flatMap { it.getOrDefault(emptyList()) }
+            }
+        } catch (e: Exception) {
+            logcat(LogPriority.ERROR, e)
+            emptyList()
+        }
+    }
+
+    override suspend fun getAll(): List<ExtensionStore> {
+        return database.extension_storeQueries.getAll(::extensionStoreMapper).awaitAsList()
+    }
+
+    override fun getAllAsFlow(): Flow<List<ExtensionStore>> {
+        return database.extension_storeQueries.getAll(::extensionStoreMapper).subscribeToList()
+    }
+
+    override fun getCountAsFlow(): Flow<Long> {
+        return database.extension_storeQueries
+            .getCount()
+            .subscribeToOne()
+    }
+
+    override suspend fun remove(indexUrl: String) {
+        database.extension_storeQueries.delete(indexUrl)
+    }
+
+    private fun extensionStoreMapper(
+        indexUrl: String,
+        name: String,
+        badgeLabel: String,
+        signingKey: String,
+        contactWebsite: String,
+        contactDiscord: String?,
+        isLegacy: Boolean,
+    ): ExtensionStore = ExtensionStore(
+        indexUrl = indexUrl,
+        name = name,
+        badgeLabel = badgeLabel,
+        signingKey = signingKey,
+        contact = ExtensionStore.Contact(
+            website = contactWebsite,
+            discord = contactDiscord,
+        ),
+        isLegacy = isLegacy,
+    )
+}

data/src/main/java/mihon/data/extension/service/ExtensionStoreService.kt

@@ -0,0 +1,97 @@
+package mihon.data.extension.service
+
+import eu.kanade.tachiyomi.extension.model.Extension
+import eu.kanade.tachiyomi.network.GET
+import eu.kanade.tachiyomi.network.NetworkHelper
+import eu.kanade.tachiyomi.network.awaitSuccess
+import kotlinx.serialization.decodeFromByteArray
+import kotlinx.serialization.json.Json
+import kotlinx.serialization.json.okio.decodeFromBufferedSource
+import kotlinx.serialization.protobuf.ProtoBuf
+import logcat.LogPriority
+import mihon.data.extension.model.NetworkExtensionStore
+import mihon.data.extension.model.NetworkLegacyExtension
+import mihon.data.extension.model.NetworkLegacyExtensionRepo
+import mihon.domain.extension.model.ExtensionStore
+import tachiyomi.core.common.util.system.logcat
+import kotlin.coroutines.cancellation.CancellationException
+
+class ExtensionStoreService(
+    private val network: NetworkHelper,
+    private val json: Json,
+    private val protoBuf: ProtoBuf,
+) {
+    suspend fun fetch(indexUrl: String): Result<ExtensionStore> {
+        var updatedIndexUrl: String = indexUrl
+        return try {
+            val store = network.client.newCall(GET(indexUrl)).awaitSuccess().body.source().use { source ->
+                try {
+                    protoBuf.decodeFromByteArray<NetworkExtensionStore>(source.peek().readByteArray())
+                } catch (e: IllegalArgumentException) {
+                    logcat(LogPriority.ERROR, e) {
+                        "Failed to add extension store '$updatedIndexUrl'"
+                    }
+                    try {
+                        json.decodeFromBufferedSource<NetworkExtensionStore>(source.peek())
+                    } catch (e: IllegalArgumentException) {
+                        logcat(LogPriority.ERROR, e) {
+                            "Failed to add extension store '$updatedIndexUrl'"
+                        }
+                        try {
+                            json.decodeFromBufferedSource<NetworkLegacyExtensionRepo>(source.peek())
+                        } catch (e: IllegalArgumentException) {
+                            if (!indexUrl.endsWith("/index.min.json")) {
+                                throw e
+                            }
+                            logcat(LogPriority.ERROR, e) {
+                                "Failed to add extension store '$updatedIndexUrl'"
+                            }
+                            updatedIndexUrl = indexUrl.replace("/index.min.json", "/repo.json")
+                            network.client.newCall(GET(updatedIndexUrl)).awaitSuccess().body.source().use {
+                                json.decodeFromBufferedSource<NetworkLegacyExtensionRepo>(it)
+                            }
+                        }
+                    }
+                }
+                    .toExtensionStore(updatedIndexUrl)
+            }
+            Result.success(store)
+        } catch (e: CancellationException) {
+            throw e
+        } catch (e: Exception) {
+            logcat(LogPriority.ERROR, e) {
+                "Failed to add extension store '$updatedIndexUrl'"
+            }
+            Result.failure(e)
+        }
+    }
+
+    suspend fun getExtensions(store: ExtensionStore): Result<List<Extension.Available>> {
+        return try {
+            val extensions = if (!store.isLegacy) {
+                val response = network.client.newCall(GET(store.indexUrl)).awaitSuccess()
+                response.body.source().use { source ->
+                    try {
+                        protoBuf.decodeFromByteArray<NetworkExtensionStore>(source.peek().readByteArray())
+                            .toAvailableExtensions(store)
+                    } catch (_: IllegalArgumentException) {
+                        json.decodeFromBufferedSource<NetworkExtensionStore>(source.peek())
+                            .toAvailableExtensions(store)
+                    }
+                }
+            } else {
+                val storeBaseUrl = store.indexUrl.removeSuffix("/repo.json")
+                val response = network.client.newCall(GET("$storeBaseUrl/index.min.json")).awaitSuccess()
+                response.body.source().use { source ->
+                    json.decodeFromBufferedSource<List<NetworkLegacyExtension>>(source)
+                        .map { it.toAvailableExtension(store, storeBaseUrl) }
+                }
+            }
+            Result.success(extensions)
+        } catch (e: CancellationException) {
+            throw e
+        } catch (e: Exception) {
+            Result.failure(e)
+        }
+    }
+}

data/src/main/java/mihon/data/repository/ExtensionRepoRepositoryImpl.kt

@@ -1,116 +0,0 @@
-package mihon.data.repository
-
-import android.database.SQLException
-import app.cash.sqldelight.async.coroutines.awaitAsList
-import app.cash.sqldelight.async.coroutines.awaitAsOneOrNull
-import kotlinx.coroutines.flow.Flow
-import kotlinx.coroutines.flow.map
-import mihon.domain.extensionrepo.exception.SaveExtensionRepoException
-import mihon.domain.extensionrepo.model.ExtensionRepo
-import mihon.domain.extensionrepo.repository.ExtensionRepoRepository
-import tachiyomi.data.Database
-import tachiyomi.data.subscribeToList
-import tachiyomi.data.subscribeToOne
-
-class ExtensionRepoRepositoryImpl(
-    private val database: Database,
-) : ExtensionRepoRepository {
-    override fun subscribeAll(): Flow<List<ExtensionRepo>> {
-        return database.extension_reposQueries
-            .findAll(::mapExtensionRepo)
-            .subscribeToList()
-    }
-
-    override suspend fun getAll(): List<ExtensionRepo> {
-        return database.extension_reposQueries
-            .findAll(::mapExtensionRepo)
-            .awaitAsList()
-    }
-
-    override suspend fun getRepo(baseUrl: String): ExtensionRepo? {
-        return database.extension_reposQueries
-            .findOne(baseUrl, ::mapExtensionRepo)
-            .awaitAsOneOrNull()
-    }
-
-    override suspend fun getRepoBySigningKeyFingerprint(fingerprint: String): ExtensionRepo? {
-        return database.extension_reposQueries
-            .findOneBySigningKeyFingerprint(fingerprint, ::mapExtensionRepo)
-            .awaitAsOneOrNull()
-    }
-
-    override fun getCount(): Flow<Int> {
-        return database.extension_reposQueries
-            .count()
-            .subscribeToOne()
-            .map { it.toInt() }
-    }
-
-    override suspend fun insertRepo(
-        baseUrl: String,
-        name: String,
-        shortName: String?,
-        website: String,
-        signingKeyFingerprint: String,
-    ) {
-        try {
-            database.extension_reposQueries.insert(
-                baseUrl,
-                name,
-                shortName,
-                website,
-                signingKeyFingerprint,
-            )
-        } catch (ex: SQLException) {
-            throw SaveExtensionRepoException(ex)
-        }
-    }
-
-    override suspend fun upsertRepo(
-        baseUrl: String,
-        name: String,
-        shortName: String?,
-        website: String,
-        signingKeyFingerprint: String,
-    ) {
-        try {
-            database.extension_reposQueries.upsert(
-                baseUrl,
-                name,
-                shortName,
-                website,
-                signingKeyFingerprint,
-            )
-        } catch (ex: SQLException) {
-            throw SaveExtensionRepoException(ex)
-        }
-    }
-
-    override suspend fun replaceRepo(newRepo: ExtensionRepo) {
-        database.extension_reposQueries.replace(
-            newRepo.baseUrl,
-            newRepo.name,
-            newRepo.shortName,
-            newRepo.website,
-            newRepo.signingKeyFingerprint,
-        )
-    }
-
-    override suspend fun deleteRepo(baseUrl: String) {
-        database.extension_reposQueries.delete(baseUrl)
-    }
-
-    private fun mapExtensionRepo(
-        baseUrl: String,
-        name: String,
-        shortName: String?,
-        website: String,
-        signingKeyFingerprint: String,
-    ): ExtensionRepo = ExtensionRepo(
-        baseUrl = baseUrl,
-        name = name,
-        shortName = shortName,
-        website = website,
-        signingKeyFingerprint = signingKeyFingerprint,
-    )
-}

data/src/main/sqldelight/tachiyomi/data/extension_repos.sq

@@ -1,57 +0,0 @@
-CREATE TABLE extension_repos (
-    base_url TEXT NOT NULL PRIMARY KEY,
-    name TEXT NOT NULL,
-    short_name TEXT,
-    website TEXT NOT NULL,
-    signing_key_fingerprint TEXT UNIQUE NOT NULL
-);
-
-findOne:
-SELECT *
-FROM extension_repos
-WHERE base_url = :base_url;
-
-findOneBySigningKeyFingerprint:
-SELECT *
-FROM extension_repos
-WHERE signing_key_fingerprint = :fingerprint;
-
-findAll:
-SELECT *
-FROM extension_repos;
-
-count:
-SELECT COUNT(*)
-FROM extension_repos;
-
-insert:
-INSERT INTO extension_repos(base_url, name, short_name, website, signing_key_fingerprint)
-VALUES (:base_url, :name, :short_name, :website, :fingerprint);
-
-upsert:
-INSERT INTO extension_repos(base_url, name, short_name, website, signing_key_fingerprint)
-VALUES (:base_url, :name, :short_name, :website, :fingerprint)
-ON CONFLICT(base_url)
-DO UPDATE
-SET
-    name = :name,
-    short_name = :short_name,
-    website =: website,
-    signing_key_fingerprint = :fingerprint
-WHERE base_url = base_url;
-
-replace:
-INSERT INTO extension_repos(base_url, name, short_name, website, signing_key_fingerprint)
-VALUES (:base_url, :name, :short_name, :website, :fingerprint)
-ON CONFLICT(signing_key_fingerprint)
-DO UPDATE
-SET
-    base_url = :base_url,
-    name = :name,
-    short_name = :short_name,
-    website =: website
-WHERE signing_key_fingerprint = signing_key_fingerprint;
-
-delete:
-DELETE FROM extension_repos
-WHERE base_url = :base_url;

data/src/main/sqldelight/tachiyomi/data/extension_store.sq

@@ -0,0 +1,42 @@
+import kotlin.Boolean;
+
+CREATE TABLE extension_store(
+    index_url TEXT NOT NULL PRIMARY KEY,
+    name TEXT NOT NULL,
+    badge_label TEXT NOT NULL,
+    signing_key TEXT NOT NULL,
+    contact_website TEXT NOT NULL,
+    contact_discord TEXT,
+    is_legacy INTEGER AS Boolean NOT NULL
+);
+
+get:
+SELECT *
+FROM extension_store
+WHERE index_url = :indexUrl;
+
+getAll:
+SELECT *
+FROM extension_store;
+
+getCount:
+SELECT COUNT(*)
+FROM extension_store;
+
+upsert:
+INSERT INTO extension_store(index_url, name, badge_label, signing_key, contact_website, contact_discord, is_legacy)
+VALUES (:indexUrl, :name, :badgeLabel, :signingKey, :contactWebsite, :contactDiscord, :isLegacy)
+ON CONFLICT(index_url)
+DO UPDATE
+SET
+    name = :name,
+    badge_label = :badgeLabel,
+    signing_key =: signingKey,
+    contact_website = :contactWebsite,
+    contact_discord = :contactDiscord,
+    is_legacy = :isLegacy
+WHERE index_url = :indexUrl;
+
+delete:
+DELETE FROM extension_store
+WHERE index_url = :indexUrl;

data/src/main/sqldelight/tachiyomi/migrations/11.sqm

@@ -0,0 +1,16 @@
+import kotlin.Boolean;
+
+CREATE TABLE extension_store(
+    index_url TEXT NOT NULL PRIMARY KEY,
+    name TEXT NOT NULL,
+    badge_label TEXT NOT NULL,
+    signing_key TEXT NOT NULL,
+    contact_website TEXT NOT NULL,
+    contact_discord TEXT,
+    is_legacy INTEGER AS Boolean NOT NULL
+);
+
+INSERT INTO extension_store(index_url, name, badge_label, signing_key, contact_website, contact_discord, is_legacy)
+SELECT base_url || '/repo.json', name, coalesce(short_name, name), signing_key_fingerprint, website, NULL, 1 FROM extension_repos;
+
+DROP TABLE extension_repos;

domain/src/main/java/eu/kanade/tachiyomi/extension/model/Extension.kt

@@ -2,6 +2,7 @@ package eu.kanade.tachiyomi.extension.model
 
 import android.graphics.drawable.Drawable
 import eu.kanade.tachiyomi.source.Source
+import mihon.domain.extension.model.ExtensionStore
 import tachiyomi.domain.source.model.StubSource
 
 sealed class Extension {
@@ -28,7 +29,7 @@ sealed class Extension {
         val hasUpdate: Boolean = false,
         val isObsolete: Boolean = false,
         val isShared: Boolean,
-        val repoUrl: String? = null,
+        val store: ExtensionStore? = null,
     ) : Extension()
 
     data class Available(
@@ -40,9 +41,9 @@ sealed class Extension {
         override val lang: String,
         override val isNsfw: Boolean,
         val sources: List<Source>,
-        val apkName: String,
+        val apkUrl: String,
         val iconUrl: String,
-        val repoUrl: String,
+        val store: ExtensionStore,
     ) : Extension() {
 
         data class Source(

domain/src/main/java/mihon/domain/extension/interactor/AddExtensionStore.kt

@@ -0,0 +1,11 @@
+package mihon.domain.extension.interactor
+
+import mihon.domain.extension.repository.ExtensionStoreRepository
+
+class AddExtensionStore(
+    private val repository: ExtensionStoreRepository,
+) {
+    suspend operator fun invoke(indexUrl: String): Result<Unit> {
+        return repository.insert(indexUrl)
+    }
+}

domain/src/main/java/mihon/domain/extension/interactor/GetExtensionStoreCountAsFlow.kt

@@ -0,0 +1,9 @@
+package mihon.domain.extension.interactor
+
+import mihon.domain.extension.repository.ExtensionStoreRepository
+
+class GetExtensionStoreCountAsFlow(
+    private val repository: ExtensionStoreRepository,
+) {
+    operator fun invoke() = repository.getCountAsFlow()
+}

domain/src/main/java/mihon/domain/extension/interactor/GetExtensionStores.kt

@@ -0,0 +1,13 @@
+package mihon.domain.extension.interactor
+
+import kotlinx.coroutines.flow.Flow
+import mihon.domain.extension.model.ExtensionStore
+import mihon.domain.extension.repository.ExtensionStoreRepository
+
+class GetExtensionStores(
+    private val repository: ExtensionStoreRepository,
+) {
+    suspend fun get(): List<ExtensionStore> = repository.getAll()
+
+    fun subscribe(): Flow<List<ExtensionStore>> = repository.getAllAsFlow()
+}

domain/src/main/java/mihon/domain/extension/interactor/RemoveExtensionStore.kt

@@ -0,0 +1,11 @@
+package mihon.domain.extension.interactor
+
+import mihon.domain.extension.repository.ExtensionStoreRepository
+
+class RemoveExtensionStore(
+    private val repository: ExtensionStoreRepository,
+) {
+    suspend operator fun invoke(indexUrl: String) {
+        repository.remove(indexUrl)
+    }
+}

domain/src/main/java/mihon/domain/extension/interactor/UpdateExtensionStores.kt

@@ -0,0 +1,11 @@
+package mihon.domain.extension.interactor
+
+import mihon.domain.extension.repository.ExtensionStoreRepository
+
+class UpdateExtensionStores(
+    private val repository: ExtensionStoreRepository,
+) {
+    suspend operator fun invoke() {
+        repository.refreshAll()
+    }
+}

domain/src/main/java/mihon/domain/extension/model/ExtensionStore.kt

@@ -0,0 +1,15 @@
+package mihon.domain.extension.model
+
+data class ExtensionStore(
+    val indexUrl: String,
+    val name: String,
+    val badgeLabel: String,
+    val signingKey: String,
+    val contact: Contact,
+    val isLegacy: Boolean,
+) {
+    data class Contact(
+        val website: String,
+        val discord: String?,
+    )
+}

domain/src/main/java/mihon/domain/extension/repository/ExtensionStoreRepository.kt

@@ -0,0 +1,23 @@
+package mihon.domain.extension.repository
+
+import eu.kanade.tachiyomi.extension.model.Extension
+import kotlinx.coroutines.flow.Flow
+import mihon.domain.extension.model.ExtensionStore
+
+interface ExtensionStoreRepository {
+    suspend fun insert(indexUrl: String): Result<Unit>
+
+    suspend fun insertFromPreference(indexUrl: String, name: String)
+
+    suspend fun refreshAll()
+
+    suspend fun fetchExtensions(): List<Extension.Available>
+
+    suspend fun getAll(): List<ExtensionStore>
+
+    fun getAllAsFlow(): Flow<List<ExtensionStore>>
+
+    fun getCountAsFlow(): Flow<Long>
+
+    suspend fun remove(indexUrl: String)
+}

domain/src/main/java/mihon/domain/extensionrepo/exception/SaveExtensionRepoException.kt

@@ -1,10 +0,0 @@
-package mihon.domain.extensionrepo.exception
-
-import java.io.IOException
-
-/**
- * Exception to abstract over SQLiteException and SQLiteConstraintException for multiplatform.
- *
- * @param throwable the source throwable to include for tracing.
- */
-class SaveExtensionRepoException(throwable: Throwable) : IOException("Error Saving Repository to Database", throwable)

domain/src/main/java/mihon/domain/extensionrepo/interactor/CreateExtensionRepo.kt

@@ -1,72 +0,0 @@
-package mihon.domain.extensionrepo.interactor
-
-import logcat.LogPriority
-import mihon.domain.extensionrepo.exception.SaveExtensionRepoException
-import mihon.domain.extensionrepo.model.ExtensionRepo
-import mihon.domain.extensionrepo.repository.ExtensionRepoRepository
-import mihon.domain.extensionrepo.service.ExtensionRepoService
-import okhttp3.HttpUrl.Companion.toHttpUrlOrNull
-import tachiyomi.core.common.util.system.logcat
-
-class CreateExtensionRepo(
-    private val repository: ExtensionRepoRepository,
-    private val service: ExtensionRepoService,
-) {
-    private val repoRegex = """^https://.*/index\.min\.json$""".toRegex()
-
-    suspend fun await(indexUrl: String): Result {
-        val formattedIndexUrl = indexUrl.toHttpUrlOrNull()
-            ?.toString()
-            ?.takeIf { it.matches(repoRegex) }
-            ?: return Result.InvalidUrl
-
-        val baseUrl = formattedIndexUrl.removeSuffix("/index.min.json")
-        return service.fetchRepoDetails(baseUrl)?.let { insert(it) } ?: Result.InvalidUrl
-    }
-
-    private suspend fun insert(repo: ExtensionRepo): Result {
-        return try {
-            repository.insertRepo(
-                repo.baseUrl,
-                repo.name,
-                repo.shortName,
-                repo.website,
-                repo.signingKeyFingerprint,
-            )
-            Result.Success
-        } catch (e: SaveExtensionRepoException) {
-            logcat(LogPriority.WARN, e) { "SQL Conflict attempting to add new repository ${repo.baseUrl}" }
-            return handleInsertionError(repo)
-        }
-    }
-
-    /**
-     * Error Handler for insert when there are trying to create new repositories
-     *
-     * SaveExtensionRepoException doesn't provide constraint info in exceptions.
-     * First check if the conflict was on primary key. if so return RepoAlreadyExists
-     * Then check if the conflict was on fingerprint. if so Return DuplicateFingerprint
-     * If neither are found, there was some other Error, and return Result.Error
-     *
-     * @param repo Extension Repo holder for passing to DB/Error Dialog
-     */
-    private suspend fun handleInsertionError(repo: ExtensionRepo): Result {
-        val repoExists = repository.getRepo(repo.baseUrl)
-        if (repoExists != null) {
-            return Result.RepoAlreadyExists
-        }
-        val matchingFingerprintRepo = repository.getRepoBySigningKeyFingerprint(repo.signingKeyFingerprint)
-        if (matchingFingerprintRepo != null) {
-            return Result.DuplicateFingerprint(matchingFingerprintRepo, repo)
-        }
-        return Result.Error
-    }
-
-    sealed interface Result {
-        data class DuplicateFingerprint(val oldRepo: ExtensionRepo, val newRepo: ExtensionRepo) : Result
-        data object InvalidUrl : Result
-        data object RepoAlreadyExists : Result
-        data object Success : Result
-        data object Error : Result
-    }
-}

domain/src/main/java/mihon/domain/extensionrepo/interactor/DeleteExtensionRepo.kt

@@ -1,11 +0,0 @@
-package mihon.domain.extensionrepo.interactor
-
-import mihon.domain.extensionrepo.repository.ExtensionRepoRepository
-
-class DeleteExtensionRepo(
-    private val repository: ExtensionRepoRepository,
-) {
-    suspend fun await(baseUrl: String) {
-        repository.deleteRepo(baseUrl)
-    }
-}

domain/src/main/java/mihon/domain/extensionrepo/interactor/GetExtensionRepo.kt

@@ -1,13 +0,0 @@
-package mihon.domain.extensionrepo.interactor
-
-import kotlinx.coroutines.flow.Flow
-import mihon.domain.extensionrepo.model.ExtensionRepo
-import mihon.domain.extensionrepo.repository.ExtensionRepoRepository
-
-class GetExtensionRepo(
-    private val repository: ExtensionRepoRepository,
-) {
-    fun subscribeAll(): Flow<List<ExtensionRepo>> = repository.subscribeAll()
-
-    suspend fun getAll(): List<ExtensionRepo> = repository.getAll()
-}

domain/src/main/java/mihon/domain/extensionrepo/interactor/GetExtensionRepoCount.kt

@@ -1,9 +0,0 @@
-package mihon.domain.extensionrepo.interactor
-
-import mihon.domain.extensionrepo.repository.ExtensionRepoRepository
-
-class GetExtensionRepoCount(
-    private val repository: ExtensionRepoRepository,
-) {
-    fun subscribe() = repository.getCount()
-}

domain/src/main/java/mihon/domain/extensionrepo/interactor/ReplaceExtensionRepo.kt

@@ -1,12 +0,0 @@
-package mihon.domain.extensionrepo.interactor
-
-import mihon.domain.extensionrepo.model.ExtensionRepo
-import mihon.domain.extensionrepo.repository.ExtensionRepoRepository
-
-class ReplaceExtensionRepo(
-    private val repository: ExtensionRepoRepository,
-) {
-    suspend fun await(repo: ExtensionRepo) {
-        repository.replaceRepo(repo)
-    }
-}

domain/src/main/java/mihon/domain/extensionrepo/interactor/UpdateExtensionRepo.kt

@@ -1,30 +0,0 @@
-package mihon.domain.extensionrepo.interactor
-
-import kotlinx.coroutines.async
-import kotlinx.coroutines.awaitAll
-import kotlinx.coroutines.coroutineScope
-import mihon.domain.extensionrepo.model.ExtensionRepo
-import mihon.domain.extensionrepo.repository.ExtensionRepoRepository
-import mihon.domain.extensionrepo.service.ExtensionRepoService
-
-class UpdateExtensionRepo(
-    private val repository: ExtensionRepoRepository,
-    private val service: ExtensionRepoService,
-) {
-
-    suspend fun awaitAll() = coroutineScope {
-        repository.getAll()
-            .map { async { await(it) } }
-            .awaitAll()
-    }
-
-    suspend fun await(repo: ExtensionRepo) {
-        val newRepo = service.fetchRepoDetails(repo.baseUrl) ?: return
-        if (
-            repo.signingKeyFingerprint.startsWith("NOFINGERPRINT") ||
-            repo.signingKeyFingerprint == newRepo.signingKeyFingerprint
-        ) {
-            repository.upsertRepo(newRepo)
-        }
-    }
-}

domain/src/main/java/mihon/domain/extensionrepo/model/ExtensionRepo.kt

@@ -1,9 +0,0 @@
-package mihon.domain.extensionrepo.model
-
-data class ExtensionRepo(
-    val baseUrl: String,
-    val name: String,
-    val shortName: String?,
-    val website: String,
-    val signingKeyFingerprint: String,
-)

domain/src/main/java/mihon/domain/extensionrepo/repository/ExtensionRepoRepository.kt

@@ -1,47 +0,0 @@
-package mihon.domain.extensionrepo.repository
-
-import kotlinx.coroutines.flow.Flow
-import mihon.domain.extensionrepo.model.ExtensionRepo
-
-interface ExtensionRepoRepository {
-
-    fun subscribeAll(): Flow<List<ExtensionRepo>>
-
-    suspend fun getAll(): List<ExtensionRepo>
-
-    suspend fun getRepo(baseUrl: String): ExtensionRepo?
-
-    suspend fun getRepoBySigningKeyFingerprint(fingerprint: String): ExtensionRepo?
-
-    fun getCount(): Flow<Int>
-
-    suspend fun insertRepo(
-        baseUrl: String,
-        name: String,
-        shortName: String?,
-        website: String,
-        signingKeyFingerprint: String,
-    )
-
-    suspend fun upsertRepo(
-        baseUrl: String,
-        name: String,
-        shortName: String?,
-        website: String,
-        signingKeyFingerprint: String,
-    )
-
-    suspend fun upsertRepo(repo: ExtensionRepo) {
-        upsertRepo(
-            baseUrl = repo.baseUrl,
-            name = repo.name,
-            shortName = repo.shortName,
-            website = repo.website,
-            signingKeyFingerprint = repo.signingKeyFingerprint,
-        )
-    }
-
-    suspend fun replaceRepo(newRepo: ExtensionRepo)
-
-    suspend fun deleteRepo(baseUrl: String)
-}

domain/src/main/java/mihon/domain/extensionrepo/service/ExtensionRepoDto.kt

@@ -1,27 +0,0 @@
-package mihon.domain.extensionrepo.service
-
-import kotlinx.serialization.Serializable
-import mihon.domain.extensionrepo.model.ExtensionRepo
-
-@Serializable
-data class ExtensionRepoMetaDto(
-    val meta: ExtensionRepoDto,
-)
-
-@Serializable
-data class ExtensionRepoDto(
-    val name: String,
-    val shortName: String?,
-    val website: String,
-    val signingKeyFingerprint: String,
-)
-
-fun ExtensionRepoMetaDto.toExtensionRepo(baseUrl: String): ExtensionRepo {
-    return ExtensionRepo(
-        baseUrl = baseUrl,
-        name = meta.name,
-        shortName = meta.shortName,
-        website = meta.website,
-        signingKeyFingerprint = meta.signingKeyFingerprint,
-    )
-}

domain/src/main/java/mihon/domain/extensionrepo/service/ExtensionRepoService.kt

@@ -1,36 +0,0 @@
-package mihon.domain.extensionrepo.service
-
-import eu.kanade.tachiyomi.network.GET
-import eu.kanade.tachiyomi.network.NetworkHelper
-import eu.kanade.tachiyomi.network.awaitSuccess
-import eu.kanade.tachiyomi.network.parseAs
-import kotlinx.serialization.json.Json
-import logcat.LogPriority
-import mihon.domain.extensionrepo.model.ExtensionRepo
-import tachiyomi.core.common.util.lang.withIOContext
-import tachiyomi.core.common.util.system.logcat
-
-class ExtensionRepoService(
-    networkHelper: NetworkHelper,
-    private val json: Json,
-) {
-    val client = networkHelper.client
-
-    suspend fun fetchRepoDetails(
-        repo: String,
-    ): ExtensionRepo? {
-        return withIOContext {
-            try {
-                with(json) {
-                    client.newCall(GET("$repo/repo.json"))
-                        .awaitSuccess()
-                        .parseAs<ExtensionRepoMetaDto>()
-                        .toExtensionRepo(baseUrl = repo)
-                }
-            } catch (e: Exception) {
-                logcat(LogPriority.ERROR, e) { "Failed to fetch repo details" }
-                null
-            }
-        }
-    }
-}

i18n/src/commonMain/moko-resources/base/strings.xml

@@ -363,20 +363,19 @@
     <string name="ext_revoke_trust">Revoke trusted unknown extensions</string>
 
     <!-- Extension repos -->
-    <string name="label_extension_repos">Extension repos</string>
-    <string name="information_empty_repos">You have no repos set.</string>
-    <string name="action_add_repo">Add repo</string>
-    <string name="label_add_repo_input">Repo URL</string>
-    <string name="action_add_repo_message">Add additional repos to %s. This should be a URL that ends with \"index.min.json\".</string>
-    <string name="error_repo_exists">This repo already exists!</string>
-    <string name="action_delete_repo">Delete repo</string>
-    <string name="invalid_repo_name">Invalid repo URL</string>
-    <string name="delete_repo_confirmation">Do you wish to delete the repo \"%s\"?</string>
-    <string name="add_repo_confirmation">Do you wish to add the repo \"%s\"?</string>
     <string name="action_open_repo">Open source repo</string>
-    <string name="action_replace_repo">Replace</string>
-    <string name="action_replace_repo_title">Signing Key Fingerprint Already Exists</string>
-    <string name="action_replace_repo_message">Repository %1$s has the same Signing Key Fingerprint as %2$s.\nIf this is expected, %2$s will be replaced, otherwise contact your repo maintainer.</string>
+
+    <!-- Extension store -->
+    <string name="extensionStores">Extension stores</string>
+    <string name="action.addExtensionStore">Add extension store</string>
+    <string name="extensionStoresScreen.emptyLabel">You haven\'t added an extension store yet</string>
+    <string name="extensionStoresScreen.addStore.title">Add extension store</string>
+    <string name="extensionStoresScreen.addStore.alreadyExists">This extension store already exists</string>
+    <string name="extensionStoresScreen.addStore.processing">Processing…</string>
+    <string name="extensionStoresScreen.addStoreInput.inputLabel">Store index URL</string>
+    <string name="extensionStoresScreen.addStoreDeeplink.bodyText">Do you wish to add the extension store below?</string>
+    <string name="extensionStoresScreen.deleteStore.title">Remove extension store</string>
+    <string name="extensionStoresScreen.deleteStore.body">Do you wish to remove the extension store \"%1$s\" (%2$s)?</string>
 
       <!-- Reader section -->
     <string name="pref_fullscreen">Fullscreen</string>
@@ -566,7 +565,6 @@
     <string name="backup_choice">What do you want to backup?</string>
     <string name="app_settings">App settings</string>
     <string name="source_settings">Source settings</string>
-    <string name="extensionRepo_settings">Extension repos</string>
     <string name="private_settings">Include sensitive settings (e.g., tracker login tokens)</string>
     <string name="non_library_settings">All read entries</string>
     <string name="creating_backup">Creating backup</string>