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create a db table for attachments

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tibbi 2020-12-21 16:17:33 +01:00
parent 4cad413478
commit 0f33d3677b
4 changed files with 47 additions and 5 deletions
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17
app/src/main/kotlin/com/simplemobiletools/smsmessenger/databases/MessagesDatabase.kt
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@ -4,14 +4,20 @@ import android.content.Context
import androidx.room.Database
import androidx.room.Room
import androidx.room.RoomDatabase
import androidx.room.migration.Migration
import androidx.sqlite.db.SupportSQLiteDatabase
import com.simplemobiletools.smsmessenger.interfaces.AttachmentsDao
import com.simplemobiletools.smsmessenger.interfaces.ConversationsDao
import com.simplemobiletools.smsmessenger.models.Attachment
import com.simplemobiletools.smsmessenger.models.Conversation
@Database(entities = [(Conversation::class)], version = 1)
@Database(entities = [Conversation::class, Attachment::class], version = 2)
abstract class MessagesDatabase : RoomDatabase() {
abstract fun ConversationsDao(): ConversationsDao
abstract fun AttachmentsDao(): AttachmentsDao
companion object {
private var db: MessagesDatabase? = null
@ -20,11 +26,20 @@ abstract class MessagesDatabase : RoomDatabase() {
synchronized(MessagesDatabase::class) {
if (db == null) {
db = Room.databaseBuilder(context.applicationContext, MessagesDatabase::class.java, "conversations.db")
.fallbackToDestructiveMigration()
.addMigrations(MIGRATION_1_2)
.build()
}
}
}
return db!!
}
private val MIGRATION_1_2 = object : Migration(1, 2) {
override fun migrate(database: SupportSQLiteDatabase) {
database.execSQL("CREATE TABLE IF NOT EXISTS `attachments` (`id` INTEGER PRIMARY KEY AUTOINCREMENT, `message_id` INTEGER NOT NULL, `uri_string` TEXT NOT NULL, `mimetype` TEXT NOT NULL, `width` INTEGER NOT NULL, `height` INTEGER NOT NULL, `filename` TEXT NOT NULL)")
database.execSQL("CREATE UNIQUE INDEX `index_attachments_message_id` ON `attachments` (`message_id`)")
}
}
}
}