Add migrations to DB

Also add lastChapter information

Author: julieminer

app/src/main/java/com/melonhead/mangadexfollower/extensions/DbMappingExtensions.kt

@@ -30,5 +30,6 @@ fun MangaEntity.Companion.from(manga: Manga): MangaEntity {
             MangaTag(it.id, name)
         },
         contentRating = manga.attributes.contentRating,
+        lastChapter = manga.attributes.lastChapter
     )
 }

app/src/main/java/com/melonhead/mangadexfollower/models/content/MangaAttributes.kt

@@ -23,6 +23,7 @@ data class MangaAttributes(
     val status: String,
     val tags: List<MangaTags>,
     val contentRating: String,
+    val lastChapter: String?,
 ) {
     fun getEnglishTitles(): List<String> {
         val englishTitles = mutableListOf<String>()

lib-database/src/main/java/com/melonhead/lib_database/di/DbModule.kt

@@ -2,6 +2,7 @@ package com.melonhead.lib_database.di
 
 import androidx.room.Room
 import com.melonhead.lib_database.chapter.ChapterDatabase
+import com.melonhead.lib_database.manga.MangaDBMigrations
 import com.melonhead.lib_database.manga.MangaDatabase
 import com.melonhead.lib_database.readmarkers.ReadMarkerDatabase
 import org.koin.dsl.module
@@ -11,21 +12,27 @@ val DBModule = module {
         Room.databaseBuilder(
             get(),
             ChapterDatabase::class.java, "chapter"
-        ).fallbackToDestructiveMigration().build()
+        ).build()
     }
 
     single(createdAtStart = true) {
         Room.databaseBuilder(
             get(),
             MangaDatabase::class.java, "manga"
-        ).fallbackToDestructiveMigration().build()
+        ).addMigrations(
+            MangaDBMigrations.MIGRATION_1_2,
+            MangaDBMigrations.MIGRATION_2_3,
+            MangaDBMigrations.MIGRATION_3_4,
+            MangaDBMigrations.MIGRATION_4_5,
+            MangaDBMigrations.MIGRATION_5_6,
+        ).build()
     }
 
     single(createdAtStart = true) {
         Room.databaseBuilder(
             get(),
             ReadMarkerDatabase::class.java, "readmarker"
-        ).fallbackToDestructiveMigration().build()
+        ).build()
     }
 
     single {

lib-database/src/main/java/com/melonhead/lib_database/manga/MangaDBMigrations.kt

@@ -0,0 +1,36 @@
+package com.melonhead.lib_database.manga
+
+import androidx.room.migration.Migration
+import androidx.sqlite.db.SupportSQLiteDatabase
+
+internal object MangaDBMigrations {
+    val MIGRATION_1_2 = object : Migration(1, 2) {
+        override fun migrate(db: SupportSQLiteDatabase) {
+            db.execSQL("ALTER TABLE manga ADD COLUMN if not exists status TEXT NOT NULL DEFAULT ''")
+        }
+    }
+
+    val MIGRATION_2_3 = object : Migration(2, 3) {
+        override fun migrate(db: SupportSQLiteDatabase) {
+            db.execSQL("ALTER TABLE manga ADD COLUMN tags TEXT NOT NULL DEFAULT ''")
+        }
+    }
+
+    val MIGRATION_3_4 = object : Migration(3, 4) {
+        override fun migrate(db: SupportSQLiteDatabase) {
+            db.execSQL("ALTER TABLE manga ADD COLUMN content_rating TEXT NOT NULL DEFAULT 'safe'")
+        }
+    }
+
+    val MIGRATION_4_5 = object : Migration(4, 5) {
+        override fun migrate(db: SupportSQLiteDatabase) {
+            db.execSQL("ALTER TABLE manga ADD COLUMN status TEXT NOT NULL DEFAULT 'ongoing'")
+        }
+    }
+
+    val MIGRATION_5_6 = object : Migration(5, 6) {
+        override fun migrate(db: SupportSQLiteDatabase) {
+            db.execSQL("ALTER TABLE manga ADD COLUMN last_chapter TEXT")
+        }
+    }
+}

lib-database/src/main/java/com/melonhead/lib_database/manga/MangaDatabase.kt

@@ -3,7 +3,10 @@ package com.melonhead.lib_database.manga
 import androidx.room.Database
 import androidx.room.RoomDatabase
 
-@Database(entities = [MangaEntity::class], version = 2)
-abstract class MangaDatabase: RoomDatabase() {
+@Database(
+    entities = [MangaEntity::class],
+    version = 6
+)
+internal abstract class MangaDatabase: RoomDatabase() {
     abstract fun mangaDao(): MangaDao
 }

lib-database/src/main/java/com/melonhead/lib_database/manga/MangaEntity.kt

@@ -18,6 +18,7 @@ data class MangaEntity(
     @ColumnInfo(name = "status") val status: String,
     @ColumnInfo(name = "tags") val tags: List<MangaTag>,
     @ColumnInfo(name = "content_rating") val contentRating: String,
+    @ColumnInfo(name = "last_chapter") val lastChapter: String?,
 ) {
     // required for mapping functions
     companion object