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Telegram backups refactoring stage 2
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72 changes: 72 additions & 0 deletions
72
...src/main/kotlin/org/koitharu/kotatsu/settings/backup/PeriodicalBackupSettingsViewModel.kt
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,72 @@ | ||
| package org.koitharu.kotatsu.settings.backup | ||
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||
| import android.content.Context | ||
| import android.net.Uri | ||
| import androidx.documentfile.provider.DocumentFile | ||
| import dagger.hilt.android.lifecycle.HiltViewModel | ||
| import dagger.hilt.android.qualifiers.ApplicationContext | ||
| import kotlinx.coroutines.Dispatchers | ||
| import kotlinx.coroutines.flow.MutableStateFlow | ||
| import org.koitharu.kotatsu.core.backup.BackupZipOutput.Companion.DIR_BACKUPS | ||
| import org.koitharu.kotatsu.core.backup.ExternalBackupStorage | ||
| import org.koitharu.kotatsu.core.backup.TelegramBackupUploader | ||
| import org.koitharu.kotatsu.core.prefs.AppSettings | ||
| import org.koitharu.kotatsu.core.ui.BaseViewModel | ||
| import org.koitharu.kotatsu.core.util.ext.resolveFile | ||
| import java.io.File | ||
| import java.util.Date | ||
| import javax.inject.Inject | ||
|
|
||
| @HiltViewModel | ||
| class PeriodicalBackupSettingsViewModel @Inject constructor( | ||
| private val settings: AppSettings, | ||
| private val telegramUploader: TelegramBackupUploader, | ||
| private val backupStorage: ExternalBackupStorage, | ||
| @ApplicationContext private val appContext: Context, | ||
| ) : BaseViewModel() { | ||
|
|
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| val lastBackupDate = MutableStateFlow<Date?>(null) | ||
| val backupsDirectory = MutableStateFlow<String?>("") | ||
| val isTelegramCheckLoading = MutableStateFlow(false) | ||
|
|
||
| init { | ||
| updateSummaryData() | ||
| } | ||
|
|
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| fun checkTelegram() { | ||
| launchJob(Dispatchers.Default) { | ||
| try { | ||
| isTelegramCheckLoading.value = true | ||
| telegramUploader.sendTestMessage() | ||
| } finally { | ||
| isTelegramCheckLoading.value = false | ||
| } | ||
| } | ||
| } | ||
|
|
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| fun updateSummaryData() { | ||
| updateBackupsDirectory() | ||
| updateLastBackupDate() | ||
| } | ||
|
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| private fun updateBackupsDirectory() = launchJob(Dispatchers.Default) { | ||
| val dir = settings.periodicalBackupDirectory | ||
| backupsDirectory.value = if (dir != null) { | ||
| dir.toUserFriendlyString() | ||
| } else { | ||
| (appContext.getExternalFilesDir(DIR_BACKUPS) ?: File(appContext.filesDir, DIR_BACKUPS)).path | ||
| } | ||
| } | ||
|
|
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| private fun updateLastBackupDate() = launchJob(Dispatchers.Default) { | ||
| lastBackupDate.value = backupStorage.getLastBackupDate() | ||
| } | ||
|
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||
| private fun Uri.toUserFriendlyString(): String? { | ||
| val df = DocumentFile.fromTreeUri(appContext, this) | ||
| if (df?.canWrite() != true) { | ||
| return null | ||
| } | ||
| return resolveFile(appContext)?.path ?: toString() | ||
| } | ||
| } |
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