53 lines
1.9 KiB
Kotlin
53 lines
1.9 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.notifications
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import androidx.lifecycle.ViewModel
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import androidx.lifecycle.viewModelScope
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import androidx.paging.ExperimentalPagingApi
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import androidx.paging.Pager
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import androidx.paging.PagingConfig
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import androidx.paging.cachedIn
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import at.connyduck.pixelcat.db.AccountManager
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import at.connyduck.pixelcat.db.AppDatabase
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import at.connyduck.pixelcat.network.FediverseApi
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import kotlinx.coroutines.FlowPreview
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import kotlinx.coroutines.flow.asFlow
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import kotlinx.coroutines.flow.flatMapConcat
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import javax.inject.Inject
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@OptIn(ExperimentalPagingApi::class, FlowPreview::class)
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class NotificationsViewModel @Inject constructor(
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accountManager: AccountManager,
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private val db: AppDatabase,
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private val api: FediverseApi
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) : ViewModel() {
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val notificationsFlow = accountManager::activeAccount.asFlow()
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.flatMapConcat { activeAccount ->
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Pager(
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config = PagingConfig(pageSize = 10, enablePlaceholders = false),
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remoteMediator = NotificationsRemoteMediator(activeAccount?.id!!, api, db),
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pagingSourceFactory = { db.notificationsDao().notifications(activeAccount.id) }
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).flow
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}
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.cachedIn(viewModelScope)
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}
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