[Firebase] Implement handling server messages.

app/src/main/java/pl/szczodrzynski/edziennik/MainActivity.kt

@@ -49,6 +49,7 @@ import pl.szczodrzynski.edziennik.databinding.ActivitySzkolnyBinding
 import pl.szczodrzynski.edziennik.sync.AppManagerDetectedEvent
 import pl.szczodrzynski.edziennik.sync.SyncWorker
 import pl.szczodrzynski.edziennik.sync.UpdateWorker
+import pl.szczodrzynski.edziennik.ui.dialogs.ServerMessageDialog
 import pl.szczodrzynski.edziennik.ui.dialogs.changelog.ChangelogDialog
 import pl.szczodrzynski.edziennik.ui.dialogs.settings.ProfileRemoveDialog
 import pl.szczodrzynski.edziennik.ui.dialogs.sync.SyncViewListDialog
@@ -695,6 +696,22 @@ class MainActivity : AppCompatActivity(), CoroutineScope {
         }
         d(TAG, "}")
 
+        if (extras?.containsKey("action") == true) {
+            val handled = when (extras.getString("action")) {
+                "serverMessage" -> {
+                    ServerMessageDialog(
+                            this,
+                            extras.getString("serverMessageTitle") ?: getString(R.string.app_name),
+                            extras.getString("serverMessageText") ?: ""
+                    )
+                    true
+                }
+                else -> false
+            }
+            if (handled)
+                return
+        }
+
         if (extras?.containsKey("reloadProfileId") == true) {
             val reloadProfileId = extras.getInt("reloadProfileId", -1)
             extras.remove("reloadProfileId")

app/src/main/java/pl/szczodrzynski/edziennik/data/api/task/PostNotifications.kt

@@ -9,9 +9,10 @@ import androidx.core.app.NotificationCompat
 import androidx.core.util.forEach
 import androidx.core.util.set
 import pl.szczodrzynski.edziennik.*
+import pl.szczodrzynski.edziennik.data.db.entity.Notification.Companion.TYPE_SERVER_MESSAGE
 import pl.szczodrzynski.edziennik.data.db.entity.Notification as AppNotification
 
-class PostNotifications(val app: App, nList: MutableList<AppNotification>) {
+class PostNotifications(val app: App, nList: List<AppNotification>) {
     companion object {
         private const val TAG = "PostNotifications"
     }
@@ -124,7 +125,7 @@ class PostNotifications(val app: App, nList: MutableList<AppNotification>) {
                 NotificationCompat.Builder(app, app.notifications.dataKey)
                         .setContentTitle(it.profileName ?: app.getString(R.string.app_name))
                         .setContentText(it.text)
-                        .setSubText(it.title)
+                        .setSubText(if (it.type == TYPE_SERVER_MESSAGE) null else it.title)
                         .setTicker("${it.profileName}: ${it.title}")
                         .setSmallIcon(R.drawable.ic_notification)
                         .setStyle(NotificationCompat.BigTextStyle()

app/src/main/java/pl/szczodrzynski/edziennik/data/firebase/SzkolnyAppFirebase.kt

@@ -29,14 +29,33 @@ class SzkolnyAppFirebase(val app: App, val profiles: List<Profile>, val message:
                         message.data.getLong("eventId") ?: return@run,
                         message.data.getString("message") ?: return@run
                 )
+                "serverMessage",
+                "unpairedBrowser" -> serverMessage(
+                        message.data.getString("title") ?: "",
+                        message.data.getString("message") ?: ""
+                )
             }
         }
     }
 
+    private fun serverMessage(title: String, message: String) {
+        val notification = Notification(
+                id = System.currentTimeMillis(),
+                title = title,
+                text = message,
+                type = Notification.TYPE_SERVER_MESSAGE,
+                profileId = null,
+                profileName = title
+        ).addExtra("action", "serverMessage").addExtra("serverMessageTitle", title).addExtra("serverMessageText", message)
+        app.db.notificationDao().add(notification)
+        PostNotifications(app, listOf(notification))
+    }
+
     private fun sharedEvent(teamCode: String, jsonStr: String, message: String) {
         val json = JsonParser().parse(jsonStr).asJsonObject
         val teams = app.db.teamDao().allNow
-        val eventTypes = app.db.eventTypeDao().allNow
+        // not used, as the server provides a sharing message
+        //val eventTypes = app.db.eventTypeDao().allNow
 
         val events = mutableListOf<Event>()
         val metadataList = mutableListOf<Metadata>()

app/src/main/java/pl/szczodrzynski/edziennik/ui/dialogs/ServerMessageDialog.kt

@@ -0,0 +1,51 @@
+/*
+ * Copyright (c) Kuba Szczodrzyński 2020-1-19.
+ */
+
+package pl.szczodrzynski.edziennik.ui.dialogs
+
+import androidx.appcompat.app.AlertDialog
+import androidx.appcompat.app.AppCompatActivity
+import com.google.android.material.dialog.MaterialAlertDialogBuilder
+import kotlinx.coroutines.CoroutineScope
+import kotlinx.coroutines.Dispatchers
+import kotlinx.coroutines.Job
+import pl.szczodrzynski.edziennik.App
+import pl.szczodrzynski.edziennik.R
+import kotlin.coroutines.CoroutineContext
+
+class ServerMessageDialog(
+        val activity: AppCompatActivity,
+        val title: String,
+        val message: String,
+        val onShowListener: ((tag: String) -> Unit)? = null,
+        val onDismissListener: ((tag: String) -> Unit)? = null
+) : CoroutineScope {
+    companion object {
+        private const val TAG = "ServerMessageDialog"
+    }
+
+    private lateinit var app: App
+    private lateinit var dialog: AlertDialog
+
+    private val job = Job()
+    override val coroutineContext: CoroutineContext
+        get() = job + Dispatchers.Main
+
+    init { run {
+        if (activity.isFinishing)
+            return@run
+        onShowListener?.invoke(TAG)
+        app = activity.applicationContext as App
+        dialog = MaterialAlertDialogBuilder(activity)
+                .setTitle(title)
+                .setMessage(message)
+                .setPositiveButton(R.string.close) { dialog, _ ->
+                    dialog.dismiss()
+                }
+                .setOnDismissListener {
+                    onDismissListener?.invoke(TAG)
+                }
+                .show()
+    }}
+}

app/src/main/java/pl/szczodrzynski/edziennik/ui/modules/notifications/NotificationsAdapter.kt

@@ -53,7 +53,7 @@ class NotificationsAdapter(
 
             //Log.d(TAG, "Got date "+intent.getLongExtra("timetableDate", 0));
 
-            if (notification.profileId != -1 && notification.profileId != app.profile.id && context is Activity) {
+            if (notification.profileId != null && notification.profileId != -1 && notification.profileId != app.profile.id && context is Activity) {
                 Toast.makeText(app, app.getString(R.string.toast_changing_profile), Toast.LENGTH_LONG).show()
             }
             app.sendBroadcast(intent)