[App] Rework update handling.

2022-10-22 22:10:04 +02:00 · 2022-10-22 22:10:04 +02:00 · c8e8c172a2
commit c8e8c172a2
parent 0d4dee765a
15 changed files with 444 additions and 130 deletions
--- a/app/src/main/java/pl/szczodrzynski/edziennik/App.kt
+++ b/app/src/main/java/pl/szczodrzynski/edziennik/App.kt
@ -28,7 +28,11 @@ import com.google.gson.Gson
 import com.hypertrack.hyperlog.HyperLog
 import com.mikepenz.iconics.Iconics
 import im.wangchao.mhttp.MHttp
-import kotlinx.coroutines.*
+import kotlinx.coroutines.CoroutineScope
+import kotlinx.coroutines.Dispatchers
+import kotlinx.coroutines.Job
+import kotlinx.coroutines.launch
+import kotlinx.coroutines.withContext
 import me.leolin.shortcutbadger.ShortcutBadger
 import okhttp3.OkHttpClient
 import org.greenrobot.eventbus.EventBus
@ -55,7 +59,19 @@ import pl.szczodrzynski.edziennik.utils.PermissionChecker
 import pl.szczodrzynski.edziennik.utils.Themes
 import pl.szczodrzynski.edziennik.utils.Utils
 import pl.szczodrzynski.edziennik.utils.Utils.d
-import pl.szczodrzynski.edziennik.utils.managers.*
+import pl.szczodrzynski.edziennik.utils.managers.AttendanceManager
+import pl.szczodrzynski.edziennik.utils.managers.AvailabilityManager
+import pl.szczodrzynski.edziennik.utils.managers.BuildManager
+import pl.szczodrzynski.edziennik.utils.managers.EventManager
+import pl.szczodrzynski.edziennik.utils.managers.GradesManager
+import pl.szczodrzynski.edziennik.utils.managers.MessageManager
+import pl.szczodrzynski.edziennik.utils.managers.NoteManager
+import pl.szczodrzynski.edziennik.utils.managers.NotificationChannelsManager
+import pl.szczodrzynski.edziennik.utils.managers.PermissionManager
+import pl.szczodrzynski.edziennik.utils.managers.TextStylingManager
+import pl.szczodrzynski.edziennik.utils.managers.TimetableManager
+import pl.szczodrzynski.edziennik.utils.managers.UpdateManager
+import pl.szczodrzynski.edziennik.utils.managers.UserActionManager
 import java.util.concurrent.TimeUnit
 import kotlin.coroutines.CoroutineContext
 import kotlin.system.exitProcess
@ -80,18 +96,19 @@ class App : MultiDexApplication(), Configuration.Provider, CoroutineScope {
    }

    val api by lazy { SzkolnyApi(this) }
-    val notificationChannelsManager by lazy { NotificationChannelsManager(this) }
-    val userActionManager by lazy { UserActionManager(this) }
-    val gradesManager by lazy { GradesManager(this) }
-    val timetableManager by lazy { TimetableManager(this) }
-    val eventManager by lazy { EventManager(this) }
-    val permissionManager by lazy { PermissionManager(this) }
    val attendanceManager by lazy { AttendanceManager(this) }
-    val buildManager by lazy { BuildManager(this) }
    val availabilityManager by lazy { AvailabilityManager(this) }
-    val textStylingManager by lazy { TextStylingManager(this) }
+    val buildManager by lazy { BuildManager(this) }
+    val eventManager by lazy { EventManager(this) }
+    val gradesManager by lazy { GradesManager(this) }
    val messageManager by lazy { MessageManager(this) }
    val noteManager by lazy { NoteManager(this) }
+    val notificationChannelsManager by lazy { NotificationChannelsManager(this) }
+    val permissionManager by lazy { PermissionManager(this) }
+    val textStylingManager by lazy { TextStylingManager(this) }
+    val timetableManager by lazy { TimetableManager(this) }
+    val updateManager by lazy { UpdateManager(this) }
+    val userActionManager by lazy { UserActionManager(this) }

    val db
        get() = App.db
--- a/app/src/main/java/pl/szczodrzynski/edziennik/MainActivity.kt
+++ b/app/src/main/java/pl/szczodrzynski/edziennik/MainActivity.kt
@ -46,6 +46,7 @@ import pl.szczodrzynski.edziennik.databinding.ActivitySzkolnyBinding
 import pl.szczodrzynski.edziennik.ext.*
 import pl.szczodrzynski.edziennik.sync.AppManagerDetectedEvent
 import pl.szczodrzynski.edziennik.sync.SyncWorker
+import pl.szczodrzynski.edziennik.sync.UpdateStateEvent
 import pl.szczodrzynski.edziennik.sync.UpdateWorker
 import pl.szczodrzynski.edziennik.ui.base.MainSnackbar
 import pl.szczodrzynski.edziennik.ui.base.enums.NavTarget
@ -56,6 +57,7 @@ import pl.szczodrzynski.edziennik.ui.dialogs.sync.RegisterUnavailableDialog
 import pl.szczodrzynski.edziennik.ui.dialogs.sync.ServerMessageDialog
 import pl.szczodrzynski.edziennik.ui.dialogs.sync.SyncViewListDialog
 import pl.szczodrzynski.edziennik.ui.dialogs.sync.UpdateAvailableDialog
+import pl.szczodrzynski.edziennik.ui.dialogs.sync.UpdateProgressDialog
 import pl.szczodrzynski.edziennik.ui.error.ErrorDetailsDialog
 import pl.szczodrzynski.edziennik.ui.error.ErrorSnackbar
 import pl.szczodrzynski.edziennik.ui.event.EventManualDialog
@ -536,6 +538,14 @@ class MainActivity : AppCompatActivity(), CoroutineScope {
        UpdateAvailableDialog(this, event).show()
    }

+    @Subscribe(threadMode = ThreadMode.MAIN, sticky = true)
+    fun onUpdateStateEvent(event: UpdateStateEvent) {
+        if (!event.running)
+            return
+        EventBus.getDefault().removeStickyEvent(event)
+        UpdateProgressDialog(this, event.update ?: return, event.downloadId).show()
+    }
+
    @Subscribe(threadMode = ThreadMode.MAIN, sticky = true)
    fun onRegisterAvailabilityEvent(event: RegisterAvailabilityEvent) {
        EventBus.getDefault().removeStickyEvent(event)
@ -699,6 +709,10 @@ class MainActivity : AppCompatActivity(), CoroutineScope {

        if (extras?.containsKey("action") == true) {
            val handled = when (extras.getString("action")) {
+                "updateRequest" -> {
+                    UpdateAvailableDialog(this, app.config.update).show()
+                    true
+                }
                "serverMessage" -> {
                    ServerMessageDialog(
                        this,
--- a/app/src/main/java/pl/szczodrzynski/edziennik/data/api/szkolny/SzkolnyApi.kt
+++ b/app/src/main/java/pl/szczodrzynski/edziennik/data/api/szkolny/SzkolnyApi.kt
@ -13,7 +13,6 @@ import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.Job
 import kotlinx.coroutines.withContext
 import okhttp3.OkHttpClient
-import org.greenrobot.eventbus.EventBus
 import pl.szczodrzynski.edziennik.*
 import pl.szczodrzynski.edziennik.data.api.ERROR_API_INVALID_SIGNATURE
 import pl.szczodrzynski.edziennik.data.api.szkolny.adapter.DateAdapter
@ -128,16 +127,10 @@ class SzkolnyApi(val app: App) : CoroutineScope {
        response: Response<ApiResponse<T>>,
        updateDeviceHash: Boolean = false,
    ): T {
-        app.config.update = response.body()?.update?.let { update ->
-            if (update.versionCode > BuildConfig.VERSION_CODE) {
-                if (update.updateMandatory
-                        && EventBus.getDefault().hasSubscriberForEvent(update::class.java)) {
-                    EventBus.getDefault().postSticky(update)
-                }
-                update
-            }
-            else
-                null
+        response.body()?.update?.let { update ->
+            // do not process "null" update, as it might not mean there's no update
+            // do not notify; silently check and show the home update card
+            app.updateManager.process(update, notify = false)
        }

        response.body()?.registerAvailability?.let { registerAvailability ->
@ -431,8 +424,8 @@ class SzkolnyApi(val app: App) : CoroutineScope {
    }

    @Throws(Exception::class)
-    fun getUpdate(channel: String): List<Update> {
-        val response = api.updates(channel).execute()
+    fun getUpdate(channel: Update.Type): List<Update> {
+        val response = api.updates(channel.name.lowercase()).execute()
        return parseResponse(response)
    }

--- a/app/src/main/java/pl/szczodrzynski/edziennik/data/api/szkolny/response/UpdateResponse.kt
+++ b/app/src/main/java/pl/szczodrzynski/edziennik/data/api/szkolny/response/UpdateResponse.kt
@ -5,12 +5,21 @@
 package pl.szczodrzynski.edziennik.data.api.szkolny.response

 data class Update(
-        val versionCode: Int,
-        val versionName: String,
-        val releaseDate: String,
-        val releaseNotes: String?,
-        val releaseType: String,
-        val isOnGooglePlay: Boolean,
-        val downloadUrl: String?,
-        val updateMandatory: Boolean
-)
+    val versionCode: Int,
+    val versionName: String,
+    val releaseDate: String,
+    val releaseNotes: String?,
+    val releaseType: String,
+    val isOnGooglePlay: Boolean,
+    val downloadUrl: String?,
+    val updateMandatory: Boolean,
+) {
+
+    enum class Type {
+        NIGHTLY,
+        DEV,
+        BETA,
+        RC,
+        RELEASE,
+    }
+}
--- a/app/src/main/java/pl/szczodrzynski/edziennik/data/firebase/SzkolnyAppFirebase.kt
+++ b/app/src/main/java/pl/szczodrzynski/edziennik/data/firebase/SzkolnyAppFirebase.kt
@ -6,7 +6,11 @@ package pl.szczodrzynski.edziennik.data.firebase

 import com.google.gson.JsonParser
 import com.google.gson.reflect.TypeToken
-import kotlinx.coroutines.*
+import kotlinx.coroutines.CoroutineScope
+import kotlinx.coroutines.Dispatchers
+import kotlinx.coroutines.Job
+import kotlinx.coroutines.launch
+import kotlinx.coroutines.withContext
 import org.greenrobot.eventbus.EventBus
 import pl.szczodrzynski.edziennik.App
 import pl.szczodrzynski.edziennik.data.api.events.FeedbackMessageEvent
@ -14,14 +18,18 @@ import pl.szczodrzynski.edziennik.data.api.events.RegisterAvailabilityEvent
 import pl.szczodrzynski.edziennik.data.api.szkolny.response.RegisterAvailabilityStatus
 import pl.szczodrzynski.edziennik.data.api.szkolny.response.Update
 import pl.szczodrzynski.edziennik.data.api.task.PostNotifications
-import pl.szczodrzynski.edziennik.data.db.entity.*
+import pl.szczodrzynski.edziennik.data.db.entity.Event
+import pl.szczodrzynski.edziennik.data.db.entity.FeedbackMessage
+import pl.szczodrzynski.edziennik.data.db.entity.Metadata
+import pl.szczodrzynski.edziennik.data.db.entity.Note
+import pl.szczodrzynski.edziennik.data.db.entity.Notification
+import pl.szczodrzynski.edziennik.data.db.entity.Profile
 import pl.szczodrzynski.edziennik.data.db.enums.MetadataType
 import pl.szczodrzynski.edziennik.data.db.enums.NotificationType
 import pl.szczodrzynski.edziennik.ext.getInt
 import pl.szczodrzynski.edziennik.ext.getLong
 import pl.szczodrzynski.edziennik.ext.getString
 import pl.szczodrzynski.edziennik.ext.resolveString
-import pl.szczodrzynski.edziennik.sync.UpdateWorker
 import pl.szczodrzynski.edziennik.ui.base.enums.NavTarget
 import pl.szczodrzynski.edziennik.utils.models.Date
 import pl.szczodrzynski.edziennik.utils.models.Time
@ -64,7 +72,10 @@ class SzkolnyAppFirebase(val app: App, val profiles: List<Profile>, val message:
                        message.data.getString("title") ?: "",
                        message.data.getString("message") ?: ""
                )
-                "appUpdate" -> launch { UpdateWorker.runNow(app, app.gson.fromJson(message.data.getString("update"), Update::class.java)) }
+                "appUpdate" -> {
+                    val update = app.gson.fromJson(message.data.getString("update"), Update::class.java)
+                    app.updateManager.process(update, notify = true)
+                }
                "feedbackMessage" -> launch {
                    val message = app.gson.fromJson(message.data.getString("message"), FeedbackMessage::class.java) ?: return@launch
                    feedbackMessage(message)
--- a/app/src/main/java/pl/szczodrzynski/edziennik/sync/UpdateStateEvent.kt
+++ b/app/src/main/java/pl/szczodrzynski/edziennik/sync/UpdateStateEvent.kt
@ -0,0 +1,9 @@
+/*
+ * Copyright (c) Kuba Szczodrzyński 2022-10-22.
+ */
+
+package pl.szczodrzynski.edziennik.sync
+
+import pl.szczodrzynski.edziennik.data.api.szkolny.response.Update
+
+class UpdateStateEvent(val running: Boolean, val update: Update?, val downloadId: Long)
--- a/app/src/main/java/pl/szczodrzynski/edziennik/sync/UpdateWorker.kt
+++ b/app/src/main/java/pl/szczodrzynski/edziennik/sync/UpdateWorker.kt
@ -5,25 +5,14 @@
 package pl.szczodrzynski.edziennik.sync

 import android.annotation.SuppressLint
-import android.app.NotificationManager
-import android.app.PendingIntent
 import android.content.Context
-import android.content.Intent
-import android.widget.Toast
-import androidx.core.app.NotificationCompat
 import androidx.work.*
 import kotlinx.coroutines.*
-import org.greenrobot.eventbus.EventBus
 import pl.szczodrzynski.edziennik.*
-import pl.szczodrzynski.edziennik.R
-import pl.szczodrzynski.edziennik.data.api.szkolny.SzkolnyApi
 import pl.szczodrzynski.edziennik.data.api.szkolny.response.Update
 import pl.szczodrzynski.edziennik.ext.DAY
-import pl.szczodrzynski.edziennik.ext.concat
 import pl.szczodrzynski.edziennik.ext.formatDate
-import pl.szczodrzynski.edziennik.ext.pendingIntentFlag
 import pl.szczodrzynski.edziennik.utils.Utils
-import pl.szczodrzynski.edziennik.utils.html.BetterHtml
 import java.util.concurrent.TimeUnit
 import kotlin.coroutines.CoroutineContext

@ -76,63 +65,6 @@ class UpdateWorker(val context: Context, val params: WorkerParameters) : Worker(
            Utils.d(TAG, "Cancelling work by tag $TAG")
            WorkManager.getInstance(app).cancelAllWorkByTag(TAG)
        }
-
-        suspend fun runNow(app: App, overrideUpdate: Update? = null) {
-            try {
-                val update = overrideUpdate
-                        ?: run {
-                            withContext(Dispatchers.Default) {
-                                SzkolnyApi(app).runCatching({
-                                    getUpdate("beta")
-                                }, {
-                                    Toast.makeText(app, app.getString(R.string.notification_cant_check_update), Toast.LENGTH_SHORT).show()
-                                })
-                            } ?: return@run null
-
-                            if (app.config.update == null
-                                    || app.config.update?.versionCode ?: BuildConfig.VERSION_CODE <= BuildConfig.VERSION_CODE) {
-                                app.config.update = null
-                                Toast.makeText(app, app.getString(R.string.notification_no_update), Toast.LENGTH_SHORT).show()
-                                return@run null
-                            }
-                            app.config.update
-                        } ?: return
-
-                if (update.versionCode <= BuildConfig.VERSION_CODE) {
-                    app.config.update = null
-                    return
-                }
-
-                if (EventBus.getDefault().hasSubscriberForEvent(update::class.java)) {
-                    if (!update.updateMandatory) // mandatory updates are posted by the SzkolnyApi
-                        EventBus.getDefault().postSticky(update)
-                    return
-                }
-
-                val notificationIntent = Intent(app, UpdateDownloaderService::class.java)
-                val pendingIntent = PendingIntent.getService(app, 0, notificationIntent, PendingIntent.FLAG_UPDATE_CURRENT or pendingIntentFlag())
-                val notification = NotificationCompat.Builder(app, app.notificationChannelsManager.updates.key)
-                        .setContentTitle(app.getString(R.string.notification_updates_title))
-                        .setContentText(app.getString(R.string.notification_updates_text, update.versionName))
-                        .setTicker(app.getString(R.string.notification_updates_summary))
-                        .setSmallIcon(R.drawable.ic_notification)
-                        .setStyle(NotificationCompat.BigTextStyle()
-                                .bigText(listOf(
-                                        app.getString(R.string.notification_updates_text, update.versionName),
-                                        update.releaseNotes?.let { BetterHtml.fromHtml(context = null, it) }
-                                ).concat("\n")))
-                        .setColor(0xff2196f3.toInt())
-                        .setLights(0xFF00FFFF.toInt(), 2000, 2000)
-                        .setPriority(NotificationCompat.PRIORITY_HIGH)
-                        .setDefaults(NotificationCompat.DEFAULT_ALL)
-                        .setGroup(app.notificationChannelsManager.updates.key)
-                        .setContentIntent(pendingIntent)
-                        .setAutoCancel(false)
-                        .build()
-                (app.getSystemService(Context.NOTIFICATION_SERVICE) as NotificationManager).notify(app.notificationChannelsManager.updates.id, notification)
-
-            } catch (ignore: Exception) { }
-        }
    }

    private val job = Job()
@ -146,22 +78,13 @@ class UpdateWorker(val context: Context, val params: WorkerParameters) : Worker(
            return Result.success()
        }

-        launch {
-            runNow(app)
-        }
+        val channel = if (App.devMode)
+            Update.Type.BETA
+        else
+            Update.Type.RELEASE
+        app.updateManager.checkNowSync(channel, notify = true)

        rescheduleNext(this.context)
        return Result.success()
    }
-
-    class JavaWrapper(app: App) : CoroutineScope {
-        private val job = Job()
-        override val coroutineContext: CoroutineContext
-            get() = job + Dispatchers.Main
-        init {
-            launch {
-                runNow(app)
-            }
-        }
-    }
 }
--- a/app/src/main/java/pl/szczodrzynski/edziennik/ui/dialogs/sync/UpdateAvailableDialog.kt
+++ b/app/src/main/java/pl/szczodrzynski/edziennik/ui/dialogs/sync/UpdateAvailableDialog.kt
@ -43,11 +43,11 @@ class UpdateAvailableDialog(
    override suspend fun onShow() = Unit

    override suspend fun onPositiveClick(): Boolean {
-        if (update == null)
+        if (update == null || update.isOnGooglePlay)
            Utils.openGooglePlay(activity)
        else
            activity.startService(Intent(app, UpdateDownloaderService::class.java))
-        return NO_DISMISS
+        return DISMISS
    }

    override suspend fun onBeforeShow(): Boolean {
--- a/app/src/main/java/pl/szczodrzynski/edziennik/ui/dialogs/sync/UpdateProgressDialog.kt
+++ b/app/src/main/java/pl/szczodrzynski/edziennik/ui/dialogs/sync/UpdateProgressDialog.kt
@ -0,0 +1,87 @@
+/*
+ * Copyright (c) Kuba Szczodrzyński 2022-10-22.
+ */
+
+package pl.szczodrzynski.edziennik.ui.dialogs.sync
+
+import android.app.DownloadManager
+import android.database.CursorIndexOutOfBoundsException
+import android.view.LayoutInflater
+import androidx.appcompat.app.AppCompatActivity
+import androidx.core.content.getSystemService
+import kotlinx.coroutines.Job
+import org.greenrobot.eventbus.EventBus
+import org.greenrobot.eventbus.Subscribe
+import org.greenrobot.eventbus.ThreadMode
+import pl.szczodrzynski.edziennik.R
+import pl.szczodrzynski.edziennik.data.api.szkolny.response.Update
+import pl.szczodrzynski.edziennik.databinding.UpdateProgressDialogBinding
+import pl.szczodrzynski.edziennik.ext.getInt
+import pl.szczodrzynski.edziennik.ext.startCoroutineTimer
+import pl.szczodrzynski.edziennik.sync.UpdateStateEvent
+import pl.szczodrzynski.edziennik.ui.dialogs.base.BindingDialog
+import pl.szczodrzynski.edziennik.utils.Utils
+
+class UpdateProgressDialog(
+    activity: AppCompatActivity,
+    private val update: Update,
+    private val downloadId: Long,
+    onShowListener: ((tag: String) -> Unit)? = null,
+    onDismissListener: ((tag: String) -> Unit)? = null,
+) : BindingDialog<UpdateProgressDialogBinding>(activity, onShowListener, onDismissListener) {
+
+    override val TAG = "UpdateProgressDialog"
+
+    override fun getTitleRes() = R.string.notification_downloading_update
+    override fun inflate(layoutInflater: LayoutInflater) =
+        UpdateProgressDialogBinding.inflate(layoutInflater)
+
+    override fun isCancelable() = false
+    override fun getNegativeButtonText() = R.string.cancel
+
+    private var timerJob: Job? = null
+
+    override suspend fun onShow() {
+        EventBus.getDefault().register(this)
+        b.update = update
+        b.progress.progress = 0
+
+        val downloadManager = app.getSystemService<DownloadManager>() ?: return
+        val query = DownloadManager.Query().setFilterById(downloadId)
+
+        timerJob?.cancel()
+        timerJob = startCoroutineTimer(repeatMillis = 100L) {
+            try {
+                val cursor = downloadManager.query(query)
+                cursor.moveToFirst()
+                val progress = cursor.getInt(DownloadManager.COLUMN_BYTES_DOWNLOADED_SO_FAR)
+                    ?.toFloat() ?: return@startCoroutineTimer
+                b.downloadedSize.text = Utils.readableFileSize(progress.toLong())
+                val total = cursor.getInt(DownloadManager.COLUMN_TOTAL_SIZE_BYTES)
+                    ?.toFloat() ?: return@startCoroutineTimer
+                b.totalSize.text = Utils.readableFileSize(total.toLong())
+                b.progress.progress = (progress / total * 100.0f).toInt()
+            } catch (_: CursorIndexOutOfBoundsException) {}
+        }
+    }
+
+    override fun onDismiss() {
+        EventBus.getDefault().unregister(this)
+        timerJob?.cancel()
+    }
+
+    override suspend fun onNegativeClick(): Boolean {
+        val downloadManager = app.getSystemService<DownloadManager>() ?: return NO_DISMISS
+        downloadManager.remove(downloadId)
+        return DISMISS
+    }
+
+    @Subscribe(threadMode = ThreadMode.MAIN, sticky = true)
+    fun onUpdateStateEvent(event: UpdateStateEvent) {
+        if (event.downloadId != downloadId)
+            return
+        EventBus.getDefault().removeStickyEvent(event)
+        if (!event.running)
+            dismiss()
+    }
+}
--- a/app/src/main/java/pl/szczodrzynski/edziennik/ui/home/cards/HomeAvailabilityCard.kt
+++ b/app/src/main/java/pl/szczodrzynski/edziennik/ui/home/cards/HomeAvailabilityCard.kt
@ -15,7 +15,10 @@ import coil.load
 import kotlinx.coroutines.CoroutineScope
 import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.Job
-import pl.szczodrzynski.edziennik.*
+import pl.szczodrzynski.edziennik.App
+import pl.szczodrzynski.edziennik.BuildConfig
+import pl.szczodrzynski.edziennik.MainActivity
+import pl.szczodrzynski.edziennik.R
 import pl.szczodrzynski.edziennik.data.db.entity.Profile
 import pl.szczodrzynski.edziennik.databinding.CardHomeAvailabilityBinding
 import pl.szczodrzynski.edziennik.ext.Intent
@ -28,6 +31,7 @@ import pl.szczodrzynski.edziennik.ui.dialogs.sync.UpdateAvailableDialog
 import pl.szczodrzynski.edziennik.ui.home.HomeCard
 import pl.szczodrzynski.edziennik.ui.home.HomeCardAdapter
 import pl.szczodrzynski.edziennik.ui.home.HomeFragment
+import pl.szczodrzynski.edziennik.utils.Utils
 import pl.szczodrzynski.edziennik.utils.html.BetterHtml
 import kotlin.coroutines.CoroutineContext

@ -79,7 +83,7 @@ class HomeAvailabilityCard(
        else if (update != null && update.versionCode > BuildConfig.VERSION_CODE) {
            b.homeAvailabilityTitle.setText(R.string.home_availability_title)
            b.homeAvailabilityText.setText(R.string.home_availability_text, update.versionName)
-            b.homeAvailabilityUpdate.isVisible = true
+            b.homeAvailabilityUpdate.isVisible = !app.buildManager.isPlayRelease
            b.homeAvailabilityIcon.setImageResource(R.drawable.ic_update)
            onInfoClick = {
                UpdateAvailableDialog(activity, update).show()
@ -92,7 +96,10 @@ class HomeAvailabilityCard(
        b.homeAvailabilityUpdate.onClick {
            if (update == null)
                return@onClick
-            activity.startService(Intent(app, UpdateDownloaderService::class.java))
+            if (update.isOnGooglePlay)
+                Utils.openGooglePlay(activity)
+            else
+                activity.startService(Intent(app, UpdateDownloaderService::class.java))
        }

        b.homeAvailabilityInfo.onClick(onInfoClick)
--- a/app/src/main/java/pl/szczodrzynski/edziennik/ui/settings/cards/SettingsAboutCard.kt
+++ b/app/src/main/java/pl/szczodrzynski/edziennik/ui/settings/cards/SettingsAboutCard.kt
@ -18,8 +18,8 @@ import kotlinx.coroutines.launch
 import pl.szczodrzynski.edziennik.App
 import pl.szczodrzynski.edziennik.BuildConfig
 import pl.szczodrzynski.edziennik.R
+import pl.szczodrzynski.edziennik.data.api.szkolny.response.Update
 import pl.szczodrzynski.edziennik.ext.after
-import pl.szczodrzynski.edziennik.sync.UpdateWorker
 import pl.szczodrzynski.edziennik.ui.dialogs.ChangelogDialog
 import pl.szczodrzynski.edziennik.ui.settings.SettingsCard
 import pl.szczodrzynski.edziennik.ui.settings.SettingsLicenseActivity
@ -113,7 +113,17 @@ class SettingsAboutCard(util: SettingsUtil) : SettingsCard(util), CoroutineScope
                icon = CommunityMaterial.Icon3.cmd_update
            ) {
                launch {
-                    UpdateWorker.runNow(app)
+                    val channel = if (App.devMode)
+                        Update.Type.BETA
+                    else
+                        Update.Type.RC
+                    val result = app.updateManager.checkNow(channel, notify = false)
+                    val update = result.getOrNull()
+                    // the dialog is shown by MainActivity (EventBus)
+                    when {
+                        result.isFailure -> Toast.makeText(app, app.getString(R.string.notification_cant_check_update), Toast.LENGTH_SHORT).show()
+                        update == null -> Toast.makeText(app, app.getString(R.string.notification_no_update), Toast.LENGTH_SHORT).show()
+                    }
                }
            }
        )),
--- a/app/src/main/java/pl/szczodrzynski/edziennik/utils/managers/BuildManager.kt
+++ b/app/src/main/java/pl/szczodrzynski/edziennik/utils/managers/BuildManager.kt
@ -9,11 +9,29 @@ import android.text.TextUtils
 import androidx.appcompat.app.AlertDialog
 import androidx.appcompat.app.AppCompatActivity
 import com.google.android.material.dialog.MaterialAlertDialogBuilder
-import kotlinx.coroutines.*
+import kotlinx.coroutines.CoroutineScope
+import kotlinx.coroutines.Dispatchers
+import kotlinx.coroutines.Job
+import kotlinx.coroutines.launch
+import kotlinx.coroutines.withContext
 import okhttp3.Request
-import pl.szczodrzynski.edziennik.*
+import pl.szczodrzynski.edziennik.App
+import pl.szczodrzynski.edziennik.BuildConfig
+import pl.szczodrzynski.edziennik.R
 import pl.szczodrzynski.edziennik.data.api.szkolny.interceptor.Signing
-import pl.szczodrzynski.edziennik.ext.*
+import pl.szczodrzynski.edziennik.data.api.szkolny.response.Update
+import pl.szczodrzynski.edziennik.ext.Intent
+import pl.szczodrzynski.edziennik.ext.asBoldSpannable
+import pl.szczodrzynski.edziennik.ext.asColoredSpannable
+import pl.szczodrzynski.edziennik.ext.concat
+import pl.szczodrzynski.edziennik.ext.getJsonObject
+import pl.szczodrzynski.edziennik.ext.getString
+import pl.szczodrzynski.edziennik.ext.isNotNullNorBlank
+import pl.szczodrzynski.edziennik.ext.join
+import pl.szczodrzynski.edziennik.ext.md5
+import pl.szczodrzynski.edziennik.ext.resolveAttr
+import pl.szczodrzynski.edziennik.ext.resolveColor
+import pl.szczodrzynski.edziennik.ext.toJsonObject
 import pl.szczodrzynski.edziennik.ui.base.BuildInvalidActivity
 import pl.szczodrzynski.edziennik.utils.Utils
 import pl.szczodrzynski.edziennik.utils.Utils.d
@ -75,6 +93,14 @@ class BuildManager(val app: App) : CoroutineScope {
        else -> null
    }

+    val releaseType = when {
+        isNightly || isDaily -> Update.Type.NIGHTLY
+        BuildConfig.VERSION_BASE.endsWith("-dev") -> Update.Type.DEV
+        BuildConfig.VERSION_BASE.contains("-beta.") -> Update.Type.BETA
+        BuildConfig.VERSION_BASE.contains("-rc.") -> Update.Type.RC
+        else -> Update.Type.RELEASE
+    }
+
    fun showVersionDialog(activity: AppCompatActivity) {
        val yes = activity.getString(R.string.yes)
        val no = activity.getString(R.string.no)
--- a/app/src/main/java/pl/szczodrzynski/edziennik/utils/managers/UpdateManager.kt
+++ b/app/src/main/java/pl/szczodrzynski/edziennik/utils/managers/UpdateManager.kt
@ -0,0 +1,110 @@
+/*
+ * Copyright (c) Kuba Szczodrzyński 2022-10-22.
+ */
+
+package pl.szczodrzynski.edziennik.utils.managers
+
+import kotlinx.coroutines.CoroutineScope
+import kotlinx.coroutines.Dispatchers
+import kotlinx.coroutines.Job
+import kotlinx.coroutines.withContext
+import org.greenrobot.eventbus.EventBus
+import pl.szczodrzynski.edziennik.App
+import pl.szczodrzynski.edziennik.BuildConfig
+import pl.szczodrzynski.edziennik.R
+import pl.szczodrzynski.edziennik.data.api.szkolny.response.Update
+import pl.szczodrzynski.edziennik.data.api.task.PostNotifications
+import pl.szczodrzynski.edziennik.data.db.entity.Notification
+import pl.szczodrzynski.edziennik.data.db.enums.NotificationType
+import pl.szczodrzynski.edziennik.ext.concat
+import pl.szczodrzynski.edziennik.ext.resolveString
+import pl.szczodrzynski.edziennik.utils.html.BetterHtml
+import kotlin.coroutines.CoroutineContext
+
+class UpdateManager(val app: App) : CoroutineScope {
+    companion object {
+        private const val TAG = "UpdateManager"
+    }
+
+    private val job = Job()
+    override val coroutineContext: CoroutineContext
+        get() = job + Dispatchers.Default
+
+    /**
+     * Check for updates on the specified [maxChannel].
+     * If the running build is of "more-unstable" type,
+     * that channel is used instead.
+     *
+     * Optionally, post a notification if [notify] is true.
+     *
+     * @return [Result] containing a newer update, or null if not available
+     */
+    suspend fun checkNow(
+        maxChannel: Update.Type,
+        notify: Boolean,
+    ): Result<Update?> = withContext(Dispatchers.IO) {
+        return@withContext checkNowSync(maxChannel, notify)
+    }
+
+    /**
+     * Check for updates on the specified [maxChannel].
+     * If the running build is of "more-unstable" type,
+     * that channel is used instead.
+     *
+     * Optionally, post a notification if [notify] is true.
+     *
+     * @return [Result] containing a newer update, or null if not available
+     */
+    fun checkNowSync(
+        maxChannel: Update.Type,
+        notify: Boolean,
+    ): Result<Update?> {
+        val channel = minOf(app.buildManager.releaseType, maxChannel)
+        val update = app.api.runCatching({
+            getUpdate(channel).firstOrNull()
+        }, {
+            return Result.failure(it)
+        })
+        return Result.success(process(update, notify))
+    }
+
+    /**
+     * Process the update: check if the version is newer, and optionally
+     * post a notification.
+     *
+     * @return [update] if it's a newer version, null otherwise
+     */
+    fun process(update: Update?, notify: Boolean): Update? {
+        if (update == null || update.versionCode <= BuildConfig.VERSION_CODE) {
+            app.config.update = null
+            return null
+        }
+        app.config.update = update
+
+        if (EventBus.getDefault().hasSubscriberForEvent(update::class.java)) {
+            EventBus.getDefault().postSticky(update)
+            return update
+        }
+
+        if (notify)
+            notify(update)
+        return update
+    }
+
+    fun notify(update: Update) {
+        val bigText = listOf(
+            app.getString(R.string.notification_updates_text, update.versionName),
+            update.releaseNotes?.let { BetterHtml.fromHtml(context = null, it) },
+        )
+        val notification = Notification(
+            id = System.currentTimeMillis(),
+            title = R.string.notification_updates_title.resolveString(app),
+            text = bigText.concat("\n").toString(),
+            type = NotificationType.UPDATE,
+            profileId = null,
+            profileName = R.string.notification_updates_title.resolveString(app),
+        ).addExtra("action", "updateRequest")
+        app.db.notificationDao().add(notification)
+        PostNotifications(app, listOf(notification))
+    }
+}
--- a/app/src/main/res/layout/update_progress_dialog.xml
+++ b/app/src/main/res/layout/update_progress_dialog.xml
@ -0,0 +1,90 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+  ~ Copyright (c) Kuba Szczodrzyński 2022-10-22.
+  -->
+
+<layout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    xmlns:tools="http://schemas.android.com/tools">
+
+    <data>
+
+        <import type="pl.szczodrzynski.edziennik.BuildConfig" />
+
+        <variable
+            name="update"
+            type="pl.szczodrzynski.edziennik.data.api.szkolny.response.Update" />
+    </data>
+
+    <LinearLayout
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:orientation="vertical"
+        android:paddingHorizontal="16dp"
+        android:paddingTop="24dp">
+
+        <TextView
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:layout_gravity="center_horizontal"
+            android:text="@string/app_name"
+            android:textAppearance="@style/NavView.TextView.Medium" />
+
+        <LinearLayout
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:layout_gravity="center_horizontal"
+            android:orientation="horizontal">
+
+            <TextView
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:text="@{BuildConfig.VERSION_BASE}"
+                android:textAppearance="@style/NavView.TextView.Medium"
+                tools:text="4.13-rc.1" />
+
+            <com.mikepenz.iconics.view.IconicsImageView
+                android:layout_width="24dp"
+                android:layout_height="24dp"
+                app:iiv_color="?android:textColorPrimary"
+                app:iiv_icon="cmd-chevron-right"
+                app:iiv_size="24dp"
+                tools:background="@drawable/ic_arrow_right" />
+
+            <TextView
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:text="@{update.versionName}"
+                android:textAppearance="@style/NavView.TextView.Medium"
+                tools:text="4.13-rc.1" />
+        </LinearLayout>
+
+        <com.google.android.material.progressindicator.LinearProgressIndicator
+            android:id="@+id/progress"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:layout_marginVertical="8dp"
+            tools:progress="33" />
+
+        <LinearLayout
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:layout_marginBottom="64dp"
+            android:orientation="horizontal">
+
+            <TextView
+                android:id="@+id/downloadedSize"
+                android:layout_width="0dp"
+                android:layout_height="wrap_content"
+                android:layout_weight="1"
+                tools:text="2.5 MiB" />
+
+            <TextView
+                android:id="@+id/totalSize"
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                tools:text="11.4 MiB" />
+        </LinearLayout>
+    </LinearLayout>
+</layout>
+
--- a/app/src/play-not/java/pl/szczodrzynski/edziennik/sync/UpdateDownloaderService.kt
+++ b/app/src/play-not/java/pl/szczodrzynski/edziennik/sync/UpdateDownloaderService.kt
@ -15,6 +15,8 @@ import android.net.Uri
 import android.os.Build
 import android.widget.Toast
 import androidx.core.content.FileProvider
+import androidx.core.content.getSystemService
+import org.greenrobot.eventbus.EventBus
 import pl.szczodrzynski.edziennik.App
 import pl.szczodrzynski.edziennik.R
 import pl.szczodrzynski.edziennik.data.api.szkolny.response.Update
@ -49,6 +51,8 @@ class UpdateDownloaderService : IntentService(UpdateDownloaderService::class.jav
                return
            val app = context.applicationContext as App

+            EventBus.getDefault().postSticky(UpdateStateEvent(running = false, update = null, downloadId))
+
            if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O && !app.permissionChecker.canRequestApkInstall()) {
                app.permissionChecker.requestApkInstall()
                return
@ -79,11 +83,14 @@ class UpdateDownloaderService : IntentService(UpdateDownloaderService::class.jav
        val app = application as App
        val update = App.config.update ?: return

-        if (tryUpdateWithGooglePlay(update))
+        if (tryUpdateWithGooglePlay(update)) {
+            stopSelf()
            return
+        }

        if (update.downloadUrl == null) {
            Toast.makeText(app, "Nie można pobrać tej aktualizacji. Pobierz ręcznie z Google Play.", Toast.LENGTH_LONG).show()
+            stopSelf()
            return
        }

@ -92,7 +99,7 @@ class UpdateDownloaderService : IntentService(UpdateDownloaderService::class.jav
            return
        }

-        (app.getSystemService(Context.NOTIFICATION_SERVICE) as NotificationManager).cancel(app.notificationChannelsManager.updates.id)
+        app.getSystemService<NotificationManager>()?.cancel(app.notificationChannelsManager.updates.id)

        val dir: File? = app.getExternalFilesDir(null)
        if (dir?.isDirectory == true) {
@ -117,5 +124,6 @@ class UpdateDownloaderService : IntentService(UpdateDownloaderService::class.jav
        }
        Toast.makeText(app, "Pobieranie aktualizacji Szkolny.eu ${update.versionName}", Toast.LENGTH_LONG).show()
        downloadId = downloadManager.enqueue(request)
+        EventBus.getDefault().postSticky(UpdateStateEvent(running = true, update, downloadId))
    }
 }