523 lines
19 KiB
Kotlin
523 lines
19 KiB
Kotlin
/* Copyright 2019 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.service
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import android.app.Notification
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import android.app.NotificationChannel
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import android.app.NotificationManager
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import android.app.PendingIntent
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import android.app.Service
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import android.content.ClipData
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import android.content.ClipDescription
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import android.content.Context
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import android.content.Intent
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import android.os.Build
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import android.os.IBinder
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import android.os.Parcelable
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import android.util.Log
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import androidx.annotation.StringRes
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import androidx.core.app.NotificationCompat
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import androidx.core.app.ServiceCompat
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import androidx.core.content.IntentCompat
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import at.connyduck.calladapter.networkresult.fold
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import com.keylesspalace.tusky.MainActivity
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import com.keylesspalace.tusky.R
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import com.keylesspalace.tusky.appstore.EventHub
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import com.keylesspalace.tusky.appstore.StatusChangedEvent
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import com.keylesspalace.tusky.appstore.StatusComposedEvent
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import com.keylesspalace.tusky.appstore.StatusScheduledEvent
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import com.keylesspalace.tusky.components.compose.MediaUploader
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import com.keylesspalace.tusky.components.compose.UploadEvent
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import com.keylesspalace.tusky.components.drafts.DraftHelper
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import com.keylesspalace.tusky.components.notifications.NotificationHelper
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import com.keylesspalace.tusky.db.AccountManager
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import com.keylesspalace.tusky.di.Injectable
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import com.keylesspalace.tusky.entity.Attachment
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import com.keylesspalace.tusky.entity.MediaAttribute
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import com.keylesspalace.tusky.entity.NewPoll
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import com.keylesspalace.tusky.entity.NewStatus
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import com.keylesspalace.tusky.entity.ScheduledStatus
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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 com.keylesspalace.tusky.util.unsafeLazy
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import dagger.android.AndroidInjection
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import java.util.concurrent.ConcurrentHashMap
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import java.util.concurrent.TimeUnit
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import javax.inject.Inject
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import kotlinx.coroutines.CoroutineScope
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import kotlinx.coroutines.Dispatchers
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import kotlinx.coroutines.Job
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import kotlinx.coroutines.SupervisorJob
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import kotlinx.coroutines.delay
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import kotlinx.coroutines.launch
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import kotlinx.parcelize.Parcelize
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import retrofit2.HttpException
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class SendStatusService : Service(), Injectable {
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@Inject
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lateinit var mastodonApi: MastodonApi
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@Inject
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lateinit var accountManager: AccountManager
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@Inject
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lateinit var eventHub: EventHub
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@Inject
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lateinit var draftHelper: DraftHelper
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@Inject
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lateinit var mediaUploader: MediaUploader
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private val supervisorJob = SupervisorJob()
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private val serviceScope = CoroutineScope(Dispatchers.Main + supervisorJob)
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private val statusesToSend = ConcurrentHashMap<Int, StatusToSend>()
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private val sendJobs = ConcurrentHashMap<Int, Job>()
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private val notificationManager by unsafeLazy {
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getSystemService(Context.NOTIFICATION_SERVICE) as NotificationManager
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}
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override fun onCreate() {
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AndroidInjection.inject(this)
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super.onCreate()
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}
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override fun onBind(intent: Intent): IBinder? = null
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override fun onStartCommand(intent: Intent, flags: Int, startId: Int): Int {
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if (intent.hasExtra(KEY_STATUS)) {
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val statusToSend: StatusToSend = IntentCompat.getParcelableExtra(intent, KEY_STATUS, StatusToSend::class.java)
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?: throw IllegalStateException("SendStatusService started without $KEY_STATUS extra")
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if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) {
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val channel =
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NotificationChannel(
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CHANNEL_ID,
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getString(R.string.send_post_notification_channel_name),
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NotificationManager.IMPORTANCE_LOW
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)
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notificationManager.createNotificationChannel(channel)
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}
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var notificationText = statusToSend.warningText
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if (notificationText.isBlank()) {
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notificationText = statusToSend.text
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}
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val builder = NotificationCompat.Builder(this, CHANNEL_ID)
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.setSmallIcon(R.drawable.ic_notify)
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.setContentTitle(getString(R.string.send_post_notification_title))
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.setContentText(notificationText)
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.setProgress(1, 0, true)
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.setOngoing(true)
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.setColor(getColor(R.color.notification_color))
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.addAction(
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0,
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getString(android.R.string.cancel),
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cancelSendingIntent(sendingNotificationId)
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)
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if (statusesToSend.size == 0 || Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) {
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ServiceCompat.stopForeground(this, ServiceCompat.STOP_FOREGROUND_DETACH)
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startForeground(sendingNotificationId, builder.build())
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} else {
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notificationManager.notify(sendingNotificationId, builder.build())
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}
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statusesToSend[sendingNotificationId] = statusToSend
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sendStatus(sendingNotificationId--)
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} else if (intent.hasExtra(KEY_CANCEL)) {
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cancelSending(intent.getIntExtra(KEY_CANCEL, 0))
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}
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return START_NOT_STICKY
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}
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override fun onTimeout(startId: Int) {
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// https://developer.android.com/about/versions/14/changes/fgs-types-required#short-service
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// max time for short service reached on Android 14+, stop sending
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statusesToSend.forEach { (statusId, _) ->
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serviceScope.launch {
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failSending(statusId)
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}
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}
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}
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private fun sendStatus(statusId: Int) {
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// when statusToSend == null, sending has been canceled
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val statusToSend = statusesToSend[statusId] ?: return
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// when account == null, user has logged out, cancel sending
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val account = accountManager.getAccountById(statusToSend.accountId)
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if (account == null) {
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statusesToSend.remove(statusId)
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notificationManager.cancel(statusId)
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stopSelfWhenDone()
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return
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}
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statusToSend.retries++
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sendJobs[statusId] = serviceScope.launch {
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// first, wait for media uploads to finish
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val media = statusToSend.media.map { mediaItem ->
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if (mediaItem.id == null) {
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when (val uploadState = mediaUploader.getMediaUploadState(mediaItem.localId)) {
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is UploadEvent.FinishedEvent -> mediaItem.copy(id = uploadState.mediaId, processed = uploadState.processed)
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is UploadEvent.ErrorEvent -> {
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Log.w(TAG, "failed uploading media", uploadState.error)
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failSending(statusId)
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stopSelfWhenDone()
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return@launch
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}
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}
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} else {
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mediaItem
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}
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}
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// then wait until server finished processing the media
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try {
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var mediaCheckRetries = 0
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while (media.any { mediaItem -> !mediaItem.processed }) {
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delay(1000L * mediaCheckRetries)
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media.forEach { mediaItem ->
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if (!mediaItem.processed) {
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when (mastodonApi.getMedia(mediaItem.id!!).code()) {
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200 -> mediaItem.processed = true // success
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206 -> { } // media is still being processed, continue checking
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else -> { // some kind of server error, retrying probably doesn't make sense
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failSending(statusId)
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stopSelfWhenDone()
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return@launch
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}
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}
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}
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}
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mediaCheckRetries++
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}
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} catch (e: Exception) {
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Log.w(TAG, "failed getting media status", e)
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retrySending(statusId)
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return@launch
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}
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val isNew = statusToSend.statusId == null
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if (isNew) {
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media.forEach { mediaItem ->
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if (mediaItem.processed && (mediaItem.description != null || mediaItem.focus != null)) {
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mastodonApi.updateMedia(mediaItem.id!!, mediaItem.description, mediaItem.focus?.toMastodonApiString())
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.fold({
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}, { throwable ->
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Log.w(TAG, "failed to update media on status send", throwable)
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failOrRetry(throwable, statusId)
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return@launch
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})
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}
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}
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}
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// finally, send the new status
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val newStatus = NewStatus(
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status = statusToSend.text,
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warningText = statusToSend.warningText,
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inReplyToId = statusToSend.inReplyToId,
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visibility = statusToSend.visibility,
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sensitive = statusToSend.sensitive,
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mediaIds = media.map { it.id!! },
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scheduledAt = statusToSend.scheduledAt,
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poll = statusToSend.poll,
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language = statusToSend.language,
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mediaAttributes = media.map { media ->
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MediaAttribute(
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id = media.id!!,
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description = media.description,
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focus = media.focus?.toMastodonApiString(),
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thumbnail = null
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)
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}
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)
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val scheduled = !statusToSend.scheduledAt.isNullOrEmpty()
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val sendResult = if (isNew) {
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if (!scheduled) {
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mastodonApi.createStatus(
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"Bearer " + account.accessToken,
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account.domain,
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statusToSend.idempotencyKey,
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newStatus
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)
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} else {
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mastodonApi.createScheduledStatus(
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"Bearer " + account.accessToken,
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account.domain,
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statusToSend.idempotencyKey,
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newStatus
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)
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}
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} else {
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mastodonApi.editStatus(
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statusToSend.statusId!!,
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"Bearer " + account.accessToken,
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account.domain,
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statusToSend.idempotencyKey,
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newStatus
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)
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}
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sendResult.fold({ sentStatus ->
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statusesToSend.remove(statusId)
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// If the status was loaded from a draft, delete the draft and associated media files.
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if (statusToSend.draftId != 0) {
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draftHelper.deleteDraftAndAttachments(statusToSend.draftId)
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}
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mediaUploader.cancelUploadScope(*statusToSend.media.map { it.localId }.toIntArray())
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if (scheduled) {
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eventHub.dispatch(StatusScheduledEvent(sentStatus as ScheduledStatus))
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} else if (!isNew) {
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eventHub.dispatch(StatusChangedEvent(sentStatus as Status))
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} else {
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eventHub.dispatch(StatusComposedEvent(sentStatus as Status))
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}
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notificationManager.cancel(statusId)
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}, { throwable ->
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Log.w(TAG, "failed sending status", throwable)
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failOrRetry(throwable, statusId)
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})
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stopSelfWhenDone()
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}
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}
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private suspend fun failOrRetry(throwable: Throwable, statusId: Int) {
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if (throwable is HttpException) {
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// the server refused to accept, save status & show error message
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failSending(statusId)
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} else {
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// a network problem occurred, let's retry sending the status
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retrySending(statusId)
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}
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}
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private suspend fun retrySending(statusId: Int) {
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// when statusToSend == null, sending has been canceled
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val statusToSend = statusesToSend[statusId] ?: return
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val backoff = TimeUnit.SECONDS.toMillis(
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statusToSend.retries.toLong()
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).coerceAtMost(MAX_RETRY_INTERVAL)
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delay(backoff)
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sendStatus(statusId)
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}
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private fun stopSelfWhenDone() {
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if (statusesToSend.isEmpty()) {
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ServiceCompat.stopForeground(
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this@SendStatusService,
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ServiceCompat.STOP_FOREGROUND_REMOVE
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)
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stopSelf()
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}
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}
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private suspend fun failSending(statusId: Int) {
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val failedStatus = statusesToSend.remove(statusId)
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if (failedStatus != null) {
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mediaUploader.cancelUploadScope(*failedStatus.media.map { it.localId }.toIntArray())
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saveStatusToDrafts(failedStatus, failedToSendAlert = true)
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val notification = buildDraftNotification(
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R.string.send_post_notification_error_title,
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R.string.send_post_notification_saved_content,
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failedStatus.accountId,
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statusId
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)
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notificationManager.cancel(statusId)
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notificationManager.notify(errorNotificationId++, notification)
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}
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// NOTE only this removes the "Sending..." notification (added with startForeground() above)
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stopSelfWhenDone()
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}
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private fun cancelSending(statusId: Int) = serviceScope.launch {
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val statusToCancel = statusesToSend.remove(statusId)
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if (statusToCancel != null) {
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mediaUploader.cancelUploadScope(*statusToCancel.media.map { it.localId }.toIntArray())
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val sendJob = sendJobs.remove(statusId)
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sendJob?.cancel()
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saveStatusToDrafts(statusToCancel, failedToSendAlert = false)
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val notification = buildDraftNotification(
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R.string.send_post_notification_cancel_title,
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R.string.send_post_notification_saved_content,
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statusToCancel.accountId,
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statusId
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)
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notificationManager.notify(statusId, notification)
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delay(5000)
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stopSelfWhenDone()
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}
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}
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private suspend fun saveStatusToDrafts(status: StatusToSend, failedToSendAlert: Boolean) {
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draftHelper.saveDraft(
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draftId = status.draftId,
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accountId = status.accountId,
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inReplyToId = status.inReplyToId,
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content = status.text,
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contentWarning = status.warningText,
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sensitive = status.sensitive,
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visibility = Status.Visibility.byString(status.visibility),
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mediaUris = status.media.map { it.uri },
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mediaDescriptions = status.media.map { it.description },
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mediaFocus = status.media.map { it.focus },
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poll = status.poll,
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failedToSend = true,
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failedToSendAlert = failedToSendAlert,
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scheduledAt = status.scheduledAt,
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language = status.language,
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statusId = status.statusId
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)
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}
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private fun cancelSendingIntent(statusId: Int): PendingIntent {
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val intent = Intent(this, SendStatusService::class.java)
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intent.putExtra(KEY_CANCEL, statusId)
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return PendingIntent.getService(
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this,
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statusId,
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intent,
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NotificationHelper.pendingIntentFlags(false)
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)
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}
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private fun buildDraftNotification(
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@StringRes title: Int,
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@StringRes content: Int,
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accountId: Long,
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statusId: Int
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): Notification {
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val intent = MainActivity.draftIntent(this, accountId)
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val pendingIntent = PendingIntent.getActivity(
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this,
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statusId,
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intent,
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NotificationHelper.pendingIntentFlags(false)
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)
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return NotificationCompat.Builder(this@SendStatusService, CHANNEL_ID)
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.setSmallIcon(R.drawable.ic_notify)
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.setContentTitle(getString(title))
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.setContentText(getString(content))
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.setColor(getColor(R.color.notification_color))
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.setAutoCancel(true)
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.setOngoing(false)
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.setContentIntent(pendingIntent)
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.build()
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}
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override fun onDestroy() {
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super.onDestroy()
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supervisorJob.cancel()
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}
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companion object {
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private const val TAG = "SendStatusService"
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private const val KEY_STATUS = "status"
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private const val KEY_CANCEL = "cancel_id"
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private const val CHANNEL_ID = "send_toots"
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private val MAX_RETRY_INTERVAL = TimeUnit.MINUTES.toMillis(1)
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private var sendingNotificationId = -1 // use negative ids to not clash with other notis
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private var errorNotificationId = Int.MIN_VALUE // use even more negative ids to not clash with other notis
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fun sendStatusIntent(context: Context, statusToSend: StatusToSend): Intent {
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val intent = Intent(context, SendStatusService::class.java)
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intent.putExtra(KEY_STATUS, statusToSend)
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if (statusToSend.media.isNotEmpty()) {
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// forward uri permissions
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intent.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION)
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val uriClip = ClipData(
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ClipDescription("Status Media", arrayOf("image/*", "video/*")),
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ClipData.Item(statusToSend.media[0].uri)
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)
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statusToSend.media
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.drop(1)
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.forEach { mediaItem ->
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uriClip.addItem(ClipData.Item(mediaItem.uri))
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}
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intent.clipData = uriClip
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}
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return intent
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}
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}
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}
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@Parcelize
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data class StatusToSend(
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val text: String,
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val warningText: String,
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val visibility: String,
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val sensitive: Boolean,
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val media: List<MediaToSend>,
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val scheduledAt: String?,
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val inReplyToId: String?,
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val poll: NewPoll?,
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val replyingStatusContent: String?,
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val replyingStatusAuthorUsername: String?,
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val accountId: Long,
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val draftId: Int,
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val idempotencyKey: String,
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var retries: Int,
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val language: String?,
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val statusId: String?
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) : Parcelable
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@Parcelize
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data class MediaToSend(
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val localId: Int,
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// null if media is not yet completely uploaded
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val id: String?,
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val uri: String,
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val description: String?,
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val focus: Attachment.Focus?,
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var processed: Boolean
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) : Parcelable
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