diff options
Diffstat (limited to 'app/src/main/kotlin/com/pitchedapps/frost/db/GenericDb.kt')
-rw-r--r-- | app/src/main/kotlin/com/pitchedapps/frost/db/GenericDb.kt | 71 |
1 files changed, 71 insertions, 0 deletions
diff --git a/app/src/main/kotlin/com/pitchedapps/frost/db/GenericDb.kt b/app/src/main/kotlin/com/pitchedapps/frost/db/GenericDb.kt new file mode 100644 index 00000000..f36c8af9 --- /dev/null +++ b/app/src/main/kotlin/com/pitchedapps/frost/db/GenericDb.kt @@ -0,0 +1,71 @@ +/* + * Copyright 2018 Allan Wang + * + * This program is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program. If not, see <http://www.gnu.org/licenses/>. + */ +package com.pitchedapps.frost.db + +import androidx.room.Dao +import androidx.room.Entity +import androidx.room.Insert +import androidx.room.OnConflictStrategy +import androidx.room.PrimaryKey +import androidx.room.Query +import com.pitchedapps.frost.facebook.FbItem +import com.pitchedapps.frost.facebook.defaultTabs + +/** + * Created by Allan Wang on 2017-05-30. + */ + +/** + * Generic cache to store serialized content + */ +@Entity(tableName = "frost_generic") +data class GenericEntity( + @PrimaryKey + val type: String, + val contents: String +) + +@Dao +interface GenericDao { + + @Query("SELECT contents FROM frost_generic WHERE type = :type") + fun _select(type: String): String? + + @Insert(onConflict = OnConflictStrategy.REPLACE) + fun _save(entity: GenericEntity) + + @Query("DELETE FROM frost_generic WHERE type = :type") + fun _delete(type: String) + + companion object { + const val TYPE_TABS = "generic_tabs" + } +} + +suspend fun GenericDao.saveTabs(tabs: List<FbItem>) = dao { + val content = tabs.joinToString(",") { it.name } + _save(GenericEntity(GenericDao.TYPE_TABS, content)) +} + +suspend fun GenericDao.getTabs(): List<FbItem> = dao { + val allTabs = FbItem.values.map { it.name to it }.toMap() + _select(GenericDao.TYPE_TABS) + ?.split(",") + ?.mapNotNull { allTabs[it] } + ?.takeIf { it.isNotEmpty() } + ?: defaultTabs() +} |