75 lines
2.5 KiB
Kotlin
75 lines
2.5 KiB
Kotlin
/* Copyright 2020 Tusky Contributors
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*
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* This file is a part of Tusky.
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*
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* This program is free software; you can redistribute it and/or modify it under the terms of the
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* GNU General Public License as published by the Free Software Foundation; either version 3 of the
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* License, or (at your option) any later version.
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*
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* Tusky is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even
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* the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General
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* 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 along with Tusky; if not,
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* see <http://www.gnu.org/licenses>. */
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package com.keylesspalace.tusky.components.drafts
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import androidx.lifecycle.ViewModel
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import androidx.lifecycle.viewModelScope
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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 com.keylesspalace.tusky.db.AccountManager
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import com.keylesspalace.tusky.db.AppDatabase
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import com.keylesspalace.tusky.db.DraftEntity
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import com.keylesspalace.tusky.entity.Status
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import com.keylesspalace.tusky.network.MastodonApi
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import io.reactivex.rxjava3.core.Single
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import kotlinx.coroutines.launch
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import javax.inject.Inject
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class DraftsViewModel @Inject constructor(
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val database: AppDatabase,
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val accountManager: AccountManager,
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val api: MastodonApi,
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val draftHelper: DraftHelper
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) : ViewModel() {
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val drafts = Pager(
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config = PagingConfig(pageSize = 20),
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pagingSourceFactory = { database.draftDao().draftsPagingSource(accountManager.activeAccount?.id!!) }
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).flow
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.cachedIn(viewModelScope)
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private val deletedDrafts: MutableList<DraftEntity> = mutableListOf()
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fun deleteDraft(draft: DraftEntity) {
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// this does not immediately delete media files to avoid unnecessary file operations
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// in case the user decides to restore the draft
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viewModelScope.launch {
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database.draftDao().delete(draft.id)
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deletedDrafts.add(draft)
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}
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}
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fun restoreDraft(draft: DraftEntity) {
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viewModelScope.launch {
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database.draftDao().insertOrReplace(draft)
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deletedDrafts.remove(draft)
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}
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}
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fun getStatus(statusId: String): Single<Status> {
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return api.status(statusId)
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}
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override fun onCleared() {
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viewModelScope.launch {
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deletedDrafts.forEach {
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draftHelper.deleteAttachments(it)
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}
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}
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}
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}
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