80 lines
2.8 KiB
Kotlin
80 lines
2.8 KiB
Kotlin
/* Copyright 2021 Tusky Contributors
|
|
*
|
|
* This file is a part of Tusky.
|
|
*
|
|
* 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.
|
|
*
|
|
* Tusky 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 Tusky; if not,
|
|
* see <http://www.gnu.org/licenses>. */
|
|
|
|
package com.keylesspalace.tusky.components.scheduled
|
|
|
|
import android.util.Log
|
|
import androidx.paging.PagingSource
|
|
import androidx.paging.PagingState
|
|
import com.keylesspalace.tusky.entity.ScheduledStatus
|
|
import com.keylesspalace.tusky.network.MastodonApi
|
|
import kotlinx.coroutines.rx3.await
|
|
|
|
class ScheduledStatusPagingSourceFactory(
|
|
private val mastodonApi: MastodonApi
|
|
) : () -> ScheduledStatusPagingSource {
|
|
|
|
private val scheduledTootsCache = mutableListOf<ScheduledStatus>()
|
|
|
|
private var pagingSource: ScheduledStatusPagingSource? = null
|
|
|
|
override fun invoke(): ScheduledStatusPagingSource {
|
|
return ScheduledStatusPagingSource(mastodonApi, scheduledTootsCache).also {
|
|
pagingSource = it
|
|
}
|
|
}
|
|
|
|
fun remove(status: ScheduledStatus) {
|
|
scheduledTootsCache.remove(status)
|
|
pagingSource?.invalidate()
|
|
}
|
|
}
|
|
|
|
class ScheduledStatusPagingSource(
|
|
private val mastodonApi: MastodonApi,
|
|
private val scheduledStatusesCache: MutableList<ScheduledStatus>
|
|
) : PagingSource<String, ScheduledStatus>() {
|
|
|
|
override fun getRefreshKey(state: PagingState<String, ScheduledStatus>): String? {
|
|
return null
|
|
}
|
|
|
|
override suspend fun load(params: LoadParams<String>): LoadResult<String, ScheduledStatus> {
|
|
return if (params is LoadParams.Refresh && scheduledStatusesCache.isNotEmpty()) {
|
|
LoadResult.Page(
|
|
data = scheduledStatusesCache,
|
|
prevKey = null,
|
|
nextKey = scheduledStatusesCache.lastOrNull()?.id
|
|
)
|
|
} else {
|
|
try {
|
|
val result = mastodonApi.scheduledStatuses(
|
|
maxId = params.key,
|
|
limit = params.loadSize
|
|
).await()
|
|
|
|
LoadResult.Page(
|
|
data = result,
|
|
prevKey = null,
|
|
nextKey = result.lastOrNull()?.id
|
|
)
|
|
} catch (e: Exception) {
|
|
Log.w("ScheduledStatuses", "Error loading scheduled statuses", e)
|
|
LoadResult.Error(e)
|
|
}
|
|
}
|
|
}
|
|
}
|