Support backups

app/src/main/java/eu/kanade/tachiyomi/data/database/DatabaseHelper.kt

@@ -256,6 +256,8 @@ open class DatabaseHelper(context: Context) {
 
     fun insertMangaSync(manga: MangaSync) = db.put().`object`(manga).prepare()
 
+    fun insertMangasSync(mangas: List<MangaSync>) = db.put().objects(mangas).prepare()
+
     fun deleteMangaSync(manga: MangaSync) = db.delete().`object`(manga).prepare()
 
     // Categories related queries
@@ -268,6 +270,13 @@ open class DatabaseHelper(context: Context) {
                     .build())
             .prepare()
 
+    fun getCategoriesForManga(manga: Manga) = db.get()
+            .listOfObjects(Category::class.java)
+            .withQuery(RawQuery.builder()
+                    .query(getCategoriesForMangaQuery(manga))
+                    .build())
+            .prepare()
+
     fun insertCategory(category: Category) = db.put().`object`(category).prepare()
 
     fun insertCategories(categories: List<Category>) = db.put().objects(categories).prepare()

app/src/main/java/eu/kanade/tachiyomi/data/database/RawQueries.kt

@@ -1,6 +1,8 @@
 package eu.kanade.tachiyomi.data.database
 
 import java.util.*
+import eu.kanade.tachiyomi.data.database.models.Manga as MangaModel
+import eu.kanade.tachiyomi.data.database.tables.CategoryTable as Category
 import eu.kanade.tachiyomi.data.database.tables.ChapterTable as Chapter
 import eu.kanade.tachiyomi.data.database.tables.MangaCategoryTable as MangaCategory
 import eu.kanade.tachiyomi.data.database.tables.MangaTable as Manga
@@ -38,3 +40,15 @@ fun getRecentsQuery(date: Date): String =
     "ON ${Manga.TABLE}.${Manga.COLUMN_ID} = ${Chapter.TABLE}.${Chapter.COLUMN_MANGA_ID} " +
     "WHERE ${Manga.COLUMN_FAVORITE} = 1 AND ${Chapter.COLUMN_DATE_UPLOAD} > ${date.time} " +
     "ORDER BY ${Chapter.COLUMN_DATE_UPLOAD} DESC"
+
+
+/**
+ * Query to get the categorias for a manga.
+ *
+ * @param manga the manga.
+ */
+fun getCategoriesForMangaQuery(manga: MangaModel) =
+    "SELECT ${Category.TABLE}.* FROM ${Category.TABLE} " +
+    "JOIN ${MangaCategory.TABLE} ON ${Category.TABLE}.${Category.COLUMN_ID} = " +
+    "${MangaCategory.TABLE}.${MangaCategory.COLUMN_CATEGORY_ID} " +
+    "WHERE ${MangaCategory.COLUMN_MANGA_ID} = ${manga.id}"

app/src/main/java/eu/kanade/tachiyomi/data/database/models/Category.java

@@ -35,4 +35,23 @@ public class Category implements Serializable {
         c.id = 0;
         return c;
     }
+
+    public String getNameLower() {
+        return name.toLowerCase();
+    }
+
+    @Override
+    public boolean equals(Object o) {
+        if (this == o) return true;
+        if (o == null || getClass() != o.getClass()) return false;
+
+        Category category = (Category) o;
+
+        return name.equals(category.name);
+    }
+
+    @Override
+    public int hashCode() {
+        return name.hashCode();
+    }
 }

app/src/main/java/eu/kanade/tachiyomi/data/database/models/Manga.java

@@ -59,9 +59,9 @@ public class Manga implements Serializable {
     @StorIOSQLiteColumn(name = MangaTable.COLUMN_CHAPTER_FLAGS)
     public int chapter_flags;
 
-    public int unread;
+    public transient int unread;
 
-    public int category;
+    public transient int category;
 
     public static final int UNKNOWN = 0;
     public static final int ONGOING = 1;

app/src/main/java/eu/kanade/tachiyomi/data/database/models/MangaSync.java

@@ -40,6 +40,10 @@ public class MangaSync implements Serializable {
 
     public boolean update;
 
+    public static MangaSync create() {
+        return new MangaSync();
+    }
+
     public static MangaSync create(MangaSyncService service) {
         MangaSync mangasync = new MangaSync();
         mangasync.sync_id = service.getId();
@@ -52,4 +56,23 @@ public class MangaSync implements Serializable {
         status = other.status;
     }
 
+    @Override
+    public boolean equals(Object o) {
+        if (this == o) return true;
+        if (o == null || getClass() != o.getClass()) return false;
+
+        MangaSync mangaSync = (MangaSync) o;
+
+        if (manga_id != mangaSync.manga_id) return false;
+        if (sync_id != mangaSync.sync_id) return false;
+        return remote_id == mangaSync.remote_id;
+    }
+
+    @Override
+    public int hashCode() {
+        int result = (int) (manga_id ^ (manga_id >>> 32));
+        result = 31 * result + sync_id;
+        result = 31 * result + remote_id;
+        return result;
+    }
 }