diff options
Diffstat (limited to 'app/src/main/kotlin/com/pitchedapps/frost/db/FbTabsDb.kt')
-rw-r--r-- | app/src/main/kotlin/com/pitchedapps/frost/db/FbTabsDb.kt | 63 |
1 files changed, 0 insertions, 63 deletions
diff --git a/app/src/main/kotlin/com/pitchedapps/frost/db/FbTabsDb.kt b/app/src/main/kotlin/com/pitchedapps/frost/db/FbTabsDb.kt index f4e74509..c63be794 100644 --- a/app/src/main/kotlin/com/pitchedapps/frost/db/FbTabsDb.kt +++ b/app/src/main/kotlin/com/pitchedapps/frost/db/FbTabsDb.kt @@ -16,79 +16,16 @@ */ package com.pitchedapps.frost.db -import androidx.room.Dao -import androidx.room.Entity -import androidx.room.Insert -import androidx.room.OnConflictStrategy -import androidx.room.Query -import androidx.room.Transaction import com.pitchedapps.frost.facebook.FbItem -import com.pitchedapps.frost.facebook.defaultTabs import com.raizlabs.android.dbflow.annotation.Database import com.raizlabs.android.dbflow.annotation.PrimaryKey import com.raizlabs.android.dbflow.annotation.Table import com.raizlabs.android.dbflow.structure.BaseModel -import kotlinx.coroutines.Dispatchers -import kotlinx.coroutines.withContext /** * Created by Allan Wang on 2017-05-30. */ -@Entity(tableName = "tabs") -data class FbTabEntity(@androidx.room.PrimaryKey val position: Int, val tab: FbItem) - -@Dao -interface FbTabDao { - - @Query("SELECT * FROM tabs ORDER BY position ASC") - fun _selectAll(): List<FbTabEntity> - - @Query("DELETE FROM tabs") - fun _deleteAll() - - @Insert(onConflict = OnConflictStrategy.REPLACE) - fun _insertAll(items: List<FbTabEntity>) - - @Transaction - fun _save(items: List<FbTabEntity>) { - _deleteAll() - _insertAll(items) - } -} - -/** - * Saving tabs operates by deleting all db items and saving the new list. - * Transactions can't be done with suspensions in room as switching threads during the process - * may result in a deadlock. - * That's why we disallow thread switching within the transaction, but wrap the entire thing in a coroutine - */ -suspend fun FbTabDao.save(items: List<FbItem>) { - withContext(Dispatchers.IO) { - val entities = (items.takeIf { it.isNotEmpty() } ?: defaultTabs()).mapIndexed { index, fbItem -> - FbTabEntity( - index, - fbItem - ) - } - _save(entities) - } -} - -suspend fun FbTabDao.selectAll(): List<FbItem> = withContext(Dispatchers.IO) { - _selectAll().map { it.tab }.takeIf { it.isNotEmpty() } ?: defaultTabs() -} - -object FbItemConverter { - @androidx.room.TypeConverter - @JvmStatic - fun fromItem(item: FbItem): String = item.name - - @androidx.room.TypeConverter - @JvmStatic - fun toItem(value: String): FbItem = FbItem.valueOf(value) -} - const val TAB_COUNT = 4 @Database(version = FbTabsDb.VERSION) |