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69 lines
2.3 KiB
69 lines
2.3 KiB
/* 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.paging.toLiveData
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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.Observable
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import io.reactivex.Single
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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 = database.draftDao().loadDrafts(accountManager.activeAccount?.id!!).toLiveData(pageSize = 20)
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private val deletedDrafts: MutableList<DraftEntity> = mutableListOf()
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fun showOldDraftsButton(): Observable<Boolean> {
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return database.tootDao().savedTootCount()
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.map { count -> count > 0 }
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}
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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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database.draftDao().delete(draft.id)
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.subscribe()
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deletedDrafts.add(draft)
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}
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fun restoreDraft(draft: DraftEntity) {
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database.draftDao().insertOrReplace(draft)
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.subscribe()
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deletedDrafts.remove(draft)
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}
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fun getToot(tootId: String): Single<Status> {
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return api.statusSingle(tootId)
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}
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override fun onCleared() {
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deletedDrafts.forEach {
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draftHelper.deleteAttachments(it).subscribe()
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}
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}
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}
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