Fix dependency injection and use custom models extending DB ones

app/src/main/java/eu/kanade/tachiyomi/data/download/DownloadManager.kt

@@ -16,10 +16,7 @@ import eu.kanade.tachiyomi.data.source.Source
 import eu.kanade.tachiyomi.data.source.SourceManager
 import eu.kanade.tachiyomi.data.source.model.Page
 import eu.kanade.tachiyomi.data.source.online.OnlineSource
-import eu.kanade.tachiyomi.util.DiskUtils
-import eu.kanade.tachiyomi.util.DynamicConcurrentMergeOperator
-import eu.kanade.tachiyomi.util.UrlUtil
-import eu.kanade.tachiyomi.util.saveImageTo
+import eu.kanade.tachiyomi.util.*
 import rx.Observable
 import rx.Subscription
 import rx.android.schedulers.AndroidSchedulers
@@ -27,12 +24,17 @@ import rx.schedulers.Schedulers
 import rx.subjects.BehaviorSubject
 import rx.subjects.PublishSubject
 import timber.log.Timber
+import uy.kohesive.injekt.Injekt
+import uy.kohesive.injekt.api.get
 import java.io.File
 import java.io.FileReader
 import java.util.*
-import java.util.concurrent.TimeUnit
 
-class DownloadManager(private val context: Context, private val sourceManager: SourceManager, private val preferences: PreferencesHelper) {
+class DownloadManager(
+        private val context: Context,
+        private val sourceManager: SourceManager = Injekt.get(),
+        private val preferences: PreferencesHelper = Injekt.get()
+) {
 
     private val gson = Gson()
 
@@ -270,10 +272,8 @@ class DownloadManager(private val context: Context, private val sourceManager: S
                     }
                     page
                 }
-                .retryWhen {
-                    it.zipWith(Observable.range(1, 3)) { errors, retries -> retries }
-                            .flatMap { retries -> Observable.timer((retries * 2).toLong(), TimeUnit.SECONDS) }
-                }
+                // Retry 3 times, waiting 2, 4 and 8 seconds between attempts.
+                .retryWhen(RetryWithDelay(3, { (2 shl it - 1) * 1000 }))
     }
 
     // Public method to get the image from the filesystem. It does NOT provide any way to download the image

app/src/main/java/eu/kanade/tachiyomi/data/download/DownloadService.kt

@@ -7,14 +7,13 @@ import android.os.IBinder
 import android.os.PowerManager
 import com.github.pwittchen.reactivenetwork.library.ConnectivityStatus
 import com.github.pwittchen.reactivenetwork.library.ReactiveNetwork
-import eu.kanade.tachiyomi.App
 import eu.kanade.tachiyomi.R
 import eu.kanade.tachiyomi.data.preference.PreferencesHelper
 import eu.kanade.tachiyomi.util.toast
 import rx.Subscription
 import rx.android.schedulers.AndroidSchedulers
 import rx.schedulers.Schedulers
-import javax.inject.Inject
+import uy.kohesive.injekt.injectLazy
 
 class DownloadService : Service() {
 
@@ -29,8 +28,8 @@ class DownloadService : Service() {
         }
     }
 
-    @Inject lateinit var downloadManager: DownloadManager
-    @Inject lateinit var preferences: PreferencesHelper
+    val downloadManager: DownloadManager by injectLazy()
+    val preferences: PreferencesHelper by injectLazy()
 
     private var wakeLock: PowerManager.WakeLock? = null
     private var networkChangeSubscription: Subscription? = null
@@ -39,7 +38,6 @@ class DownloadService : Service() {
 
     override fun onCreate() {
         super.onCreate()
-        App.get(this).component.inject(this)
 
         createWakeLock()