tachiyomi/app/src/main/java/eu/kanade/data/DatabaseHandler.kt
Andreas 3fd9e021fa
Use custom QueryPagingSource (#7321)
* Use custom QueryPagingSource

- Adds placeholder to make the list jump around less
- Fixes issue where SQLDelight QueryPagingSource would throw IndexOutOfBounds

* Review Changes
2022-06-18 14:55:58 -04:00

38 lines
1.1 KiB
Kotlin

package eu.kanade.data
import androidx.paging.PagingSource
import com.squareup.sqldelight.Query
import eu.kanade.tachiyomi.Database
import kotlinx.coroutines.flow.Flow
interface DatabaseHandler {
suspend fun <T> await(inTransaction: Boolean = false, block: suspend Database.() -> T): T
suspend fun <T : Any> awaitList(
inTransaction: Boolean = false,
block: suspend Database.() -> Query<T>,
): List<T>
suspend fun <T : Any> awaitOne(
inTransaction: Boolean = false,
block: suspend Database.() -> Query<T>,
): T
suspend fun <T : Any> awaitOneOrNull(
inTransaction: Boolean = false,
block: suspend Database.() -> Query<T>,
): T?
fun <T : Any> subscribeToList(block: Database.() -> Query<T>): Flow<List<T>>
fun <T : Any> subscribeToOne(block: Database.() -> Query<T>): Flow<T>
fun <T : Any> subscribeToOneOrNull(block: Database.() -> Query<T>): Flow<T?>
fun <T : Any> subscribeToPagingSource(
countQuery: Database.() -> Query<Long>,
queryProvider: Database.(Long, Long) -> Query<T>,
): PagingSource<Long, T>
}