96 lines
3.0 KiB
Kotlin
96 lines
3.0 KiB
Kotlin
/*
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* Copyright (C) 2020 Conny Duck
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*
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* This file is part of Pixelcat.
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*
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* Pixelcat is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* Pixelcat is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <https://www.gnu.org/licenses/>.
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*/
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package at.connyduck.pixelcat.components.profile
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import androidx.paging.DataSource
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import androidx.paging.ItemKeyedDataSource
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import at.connyduck.pixelcat.db.AccountManager
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import at.connyduck.pixelcat.model.Status
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import at.connyduck.pixelcat.network.FediverseApi
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import kotlinx.coroutines.CoroutineScope
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import kotlinx.coroutines.Dispatchers
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import kotlinx.coroutines.launch
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class ProfileDataSourceFactory(
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private val api: FediverseApi,
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private val accountId: String?,
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private val accountManager: AccountManager,
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private val scope: CoroutineScope
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) : DataSource.Factory<String, Status>() {
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override fun create(): DataSource<String, Status> {
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val source = ProfileImageDataSource(api, accountId, accountManager, scope)
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return source
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}
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}
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class ProfileImageDataSource(
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private val api: FediverseApi,
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private val accountId: String?,
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private val accountManager: AccountManager,
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private val scope: CoroutineScope
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) : ItemKeyedDataSource<String, Status>() {
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override fun loadInitial(
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params: LoadInitialParams<String>,
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callback: LoadInitialCallback<Status>
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) {
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scope.launch(context = Dispatchers.IO) {
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val id = accountId ?: accountManager.activeAccount()?.accountId!!
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api.accountStatuses(
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id,
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limit = params.requestedLoadSize,
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onlyMedia = true,
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excludeReblogs = true
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).fold(
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{
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callback.onResult(it)
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},
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{
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}
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)
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}
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}
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override fun loadAfter(params: LoadParams<String>, callback: LoadCallback<Status>) {
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scope.launch(context = Dispatchers.IO) {
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val id = accountId ?: accountManager.activeAccount()?.accountId!!
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api.accountStatuses(
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id,
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maxId = params.key,
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limit = params.requestedLoadSize,
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onlyMedia = true,
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excludeReblogs = true
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).fold(
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{
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callback.onResult(it)
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},
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{
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}
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)
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}
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}
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override fun loadBefore(params: LoadParams<String>, callback: LoadCallback<Status>) {
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// we always load from top
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}
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override fun getKey(item: Status) = item.id
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}
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