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author | Allan Wang <me@allanwang.ca> | 2019-03-07 19:36:09 -0500 |
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committer | Allan Wang <me@allanwang.ca> | 2019-03-07 19:36:09 -0500 |
commit | 3f5d2cf2a55d28528c88e118f09a91fd6c59ac43 (patch) | |
tree | 74d0e876c5689f11d9134d5ebd25b03860b1aeb0 /app/src/main/kotlin/com/pitchedapps/frost/db | |
parent | cac563f6c6a2656c74527bfa2c8b5780765baf69 (diff) | |
download | frost-3f5d2cf2a55d28528c88e118f09a91fd6c59ac43.tar.gz frost-3f5d2cf2a55d28528c88e118f09a91fd6c59ac43.tar.bz2 frost-3f5d2cf2a55d28528c88e118f09a91fd6c59ac43.zip |
Replace tab dao with generic dao
Diffstat (limited to 'app/src/main/kotlin/com/pitchedapps/frost/db')
3 files changed, 17 insertions, 82 deletions
diff --git a/app/src/main/kotlin/com/pitchedapps/frost/db/Database.kt b/app/src/main/kotlin/com/pitchedapps/frost/db/Database.kt index 5fc986e3..0c009634 100644 --- a/app/src/main/kotlin/com/pitchedapps/frost/db/Database.kt +++ b/app/src/main/kotlin/com/pitchedapps/frost/db/Database.kt @@ -27,11 +27,10 @@ abstract class FrostPrivateDatabase : RoomDatabase(), FrostPrivateDao { } interface FrostPublicDao { - fun tabDao(): FbTabDao + fun genericDao(): GenericDao } -@Database(entities = [FbTabEntity::class], version = 1, exportSchema = true) -@TypeConverters(FbItemConverter::class) +@Database(entities = [GenericEntity::class], version = 1, exportSchema = true) abstract class FrostPublicDatabase : RoomDatabase(), FrostPublicDao { companion object { const val DATABASE_NAME = "frost-db" @@ -71,9 +70,9 @@ class FrostDatabase(private val privateDb: FrostPrivateDatabase, private val pub fun module(context: Context) = module { single { create(context) } single { get<FrostDatabase>().cookieDao() } - single { get<FrostDatabase>().tabDao() } single { get<FrostDatabase>().cacheDao() } single { get<FrostDatabase>().notifDao() } + single { get<FrostDatabase>().genericDao() } } /** 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) diff --git a/app/src/main/kotlin/com/pitchedapps/frost/db/GenericDb.kt b/app/src/main/kotlin/com/pitchedapps/frost/db/GenericDb.kt index c191b673..c1f05092 100644 --- a/app/src/main/kotlin/com/pitchedapps/frost/db/GenericDb.kt +++ b/app/src/main/kotlin/com/pitchedapps/frost/db/GenericDb.kt @@ -24,7 +24,6 @@ import androidx.room.PrimaryKey import androidx.room.Query import com.pitchedapps.frost.facebook.FbItem import com.pitchedapps.frost.facebook.defaultTabs -import com.pitchedapps.frost.utils.L /** * Created by Allan Wang on 2017-05-30. @@ -52,21 +51,21 @@ interface GenericDao { @Query("DELETE FROM frost_generic WHERE type = :type") suspend fun delete(type: String) - suspend fun saveTabs(tabs: List<FbItem>) { - val content = tabs.joinToString(",") { it.name } - save(GenericEntity(TYPE_TABS, content)) - } - - suspend fun getTabs(): List<FbItem> { - val allTabs = FbItem.values.map { it.name to it }.toMap() - return select(TYPE_TABS) - ?.split(",") - ?.mapNotNull { allTabs[it] } - ?.takeIf { it.isNotEmpty() } - ?: defaultTabs() - } - companion object { const val TYPE_TABS = "generic_tabs" } +} + +suspend fun GenericDao.saveTabs(tabs: List<FbItem>) { + val content = tabs.joinToString(",") { it.name } + save(GenericEntity(GenericDao.TYPE_TABS, content)) +} + +suspend fun GenericDao.getTabs(): List<FbItem> { + val allTabs = FbItem.values.map { it.name to it }.toMap() + return select(GenericDao.TYPE_TABS) + ?.split(",") + ?.mapNotNull { allTabs[it] } + ?.takeIf { it.isNotEmpty() } + ?: defaultTabs() }
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