WIP: Update messages

app/schemas/io.heckel.ntfy.db.Database/9.json

@@ -2,7 +2,7 @@
   "formatVersion": 1,
   "database": {
     "version": 9,
-    "identityHash": "5bab75c3b41c53c9855fe3a7ef8f0669",
+    "identityHash": "9d62f6db149468db28b5e175be3a9669",
     "entities": [
       {
         "tableName": "Subscription",
@@ -82,7 +82,7 @@
       },
       {
         "tableName": "Notification",
-        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` TEXT NOT NULL, `subscriptionId` INTEGER NOT NULL, `timestamp` INTEGER NOT NULL, `title` TEXT NOT NULL, `message` TEXT NOT NULL, `encoding` TEXT NOT NULL, `notificationId` INTEGER NOT NULL, `priority` INTEGER NOT NULL DEFAULT 3, `tags` TEXT NOT NULL, `click` TEXT NOT NULL, `deleted` INTEGER NOT NULL, `attachment_name` TEXT, `attachment_type` TEXT, `attachment_size` INTEGER, `attachment_expires` INTEGER, `attachment_url` TEXT, `attachment_contentUri` TEXT, `attachment_progress` INTEGER, PRIMARY KEY(`id`, `subscriptionId`))",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` TEXT NOT NULL, `subscriptionId` INTEGER NOT NULL, `timestamp` INTEGER NOT NULL, `updated` INTEGER NOT NULL, `title` TEXT NOT NULL, `message` TEXT NOT NULL, `encoding` TEXT NOT NULL, `notificationId` INTEGER NOT NULL, `priority` INTEGER NOT NULL DEFAULT 3, `tags` TEXT NOT NULL, `click` TEXT NOT NULL, `deleted` INTEGER NOT NULL, `attachment_name` TEXT, `attachment_type` TEXT, `attachment_size` INTEGER, `attachment_expires` INTEGER, `attachment_url` TEXT, `attachment_contentUri` TEXT, `attachment_progress` INTEGER, PRIMARY KEY(`id`, `subscriptionId`))",
         "fields": [
           {
             "fieldPath": "id",
@@ -102,6 +102,12 @@
             "affinity": "INTEGER",
             "notNull": true
           },
+          {
+            "fieldPath": "updated",
+            "columnName": "updated",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
           {
             "fieldPath": "title",
             "columnName": "title",
@@ -290,7 +296,7 @@
     "views": [],
     "setupQueries": [
       "CREATE TABLE IF NOT EXISTS room_master_table (id INTEGER PRIMARY KEY,identity_hash TEXT)",
-      "INSERT OR REPLACE INTO room_master_table (id,identity_hash) VALUES(42, '5bab75c3b41c53c9855fe3a7ef8f0669')"
+      "INSERT OR REPLACE INTO room_master_table (id,identity_hash) VALUES(42, '9d62f6db149468db28b5e175be3a9669')"
     ]
   }
 }

app/src/main/java/io/heckel/ntfy/backup/Backuper.kt

@@ -122,10 +122,11 @@ class Backuper(val context: Context) {
                 } else {
                     null
                 }
-                repository.addNotification(io.heckel.ntfy.db.Notification(
+                repository.upsertNotification(io.heckel.ntfy.db.Notification(
                     id = n.id,
                     subscriptionId = n.subscriptionId,
                     timestamp = n.timestamp,
+                    updated = n.updated ?: 0L,
                     title = n.title,
                     message = n.message,
                     encoding = n.encoding,
@@ -218,6 +219,7 @@ class Backuper(val context: Context) {
                 id = n.id,
                 subscriptionId = n.subscriptionId,
                 timestamp = n.timestamp,
+                updated = n.updated,
                 title = n.title,
                 message = n.message,
                 encoding = n.encoding,
@@ -284,6 +286,7 @@ data class Notification(
     val id: String,
     val subscriptionId: Long,
     val timestamp: Long,
+    val updated: Long?,
     val title: String,
     val message: String,
     val encoding: String, // "base64" or ""

app/src/main/java/io/heckel/ntfy/db/Database.kt

@@ -48,6 +48,7 @@ data class Notification(
     @ColumnInfo(name = "id") val id: String,
     @ColumnInfo(name = "subscriptionId") val subscriptionId: Long,
     @ColumnInfo(name = "timestamp") val timestamp: Long, // Unix timestamp
+    @ColumnInfo(name = "updated") val updated: Long, // Unix timestamp, may be zero
     @ColumnInfo(name = "title") val title: String,
     @ColumnInfo(name = "message") val message: String,
     @ColumnInfo(name = "encoding") val encoding: String, // "base64" or ""

app/src/main/java/io/heckel/ntfy/db/Repository.kt

@@ -109,15 +109,37 @@ class Repository(private val sharedPrefs: SharedPreferences, private val databas
         return notifications.filterNot { existingIds.contains(it.id) }
     }
 
+    /**
+     * Adds the notification to the database (if it does not exist), or updates it if it does.
+     * Returns null if the notification was not added/updated, or the added/updated notification if it was.
+     *
+     * You should use the returned notification for further processing.
+     */
     @Suppress("RedundantSuspendModifier")
-    @WorkerThread
-    suspend fun addNotification(notification: Notification): Boolean {
-        val maybeExistingNotification = notificationDao.get(notification.id)
-        if (maybeExistingNotification != null) {
-            return false
+    suspend fun upsertNotification(notification: Notification): Notification? {
+        val existingNotification = notificationDao.get(notification.id)
+        if (existingNotification != null) {
+            return maybeUpdateExistingNotification(existingNotification, notification)
         }
         notificationDao.add(notification)
-        return true
+        return notification
+    }
+
+    private fun maybeUpdateExistingNotification(existingNotification: Notification, notification: Notification): Notification? {
+        if (notification.updated == 0L) {
+            return null
+        } else if (notification.updated <= existingNotification.updated) {
+            return null
+        }
+        val newNotification = existingNotification.copy(
+            message = notification.message,
+            title = notification.title,
+            tags = notification.tags,
+            priority = notification.priority,
+            click = notification.click
+        )
+        notificationDao.update(newNotification)
+        return newNotification
     }
 
     fun updateNotification(notification: Notification) {

app/src/main/java/io/heckel/ntfy/msg/Message.kt

@@ -8,6 +8,7 @@ import androidx.annotation.Keep
 data class Message(
     val id: String,
     val time: Long,
+    val updated: Long?,
     val event: String,
     val topic: String,
     val priority: Int?,

app/src/main/java/io/heckel/ntfy/msg/NotificationParser.kt

@@ -33,6 +33,7 @@ class NotificationParser {
             id = message.id,
             subscriptionId = subscriptionId,
             timestamp = message.time,
+            updated = message.updated ?: 0,
             title = message.title ?: "",
             message = message.message,
             encoding = message.encoding ?: "",

app/src/main/java/io/heckel/ntfy/service/SubscriberService.kt

@@ -261,9 +261,10 @@ class SubscriberService : Service() {
         val url = topicUrl(subscription.baseUrl, subscription.topic)
         Log.d(TAG, "[$url] Received notification: $notification")
         GlobalScope.launch(Dispatchers.IO) {
-            if (repository.addNotification(notification)) {
-                Log.d(TAG, "[$url] Dispatching notification $notification")
-                dispatcher.dispatch(subscription, notification)
+            val maybeUpdatedNotification = repository.upsertNotification(notification)
+            if (maybeUpdatedNotification != null) {
+                Log.d(TAG, "[$url] Dispatching notification $maybeUpdatedNotification")
+                dispatcher.dispatch(subscription, maybeUpdatedNotification)
             }
             wakeLock?.let {
                 if (it.isHeld) {

app/src/main/java/io/heckel/ntfy/ui/DetailActivity.kt

@@ -8,7 +8,6 @@ import android.content.Intent
 import android.net.Uri
 import android.os.Bundle
 import android.text.Html
-import android.util.Base64
 import android.view.ActionMode
 import android.view.Menu
 import android.view.MenuItem
@@ -31,7 +30,6 @@ import io.heckel.ntfy.db.Repository
 import io.heckel.ntfy.firebase.FirebaseMessenger
 import io.heckel.ntfy.util.Log
 import io.heckel.ntfy.msg.ApiService
-import io.heckel.ntfy.msg.MESSAGE_ENCODING_BASE64
 import io.heckel.ntfy.msg.NotificationService
 import io.heckel.ntfy.service.SubscriberServiceManager
 import io.heckel.ntfy.util.*
@@ -381,7 +379,7 @@ class DetailActivity : AppCompatActivity(), ActionMode.Callback, NotificationFra
                 } else {
                     getString(R.string.refresh_message_result, newNotifications.size)
                 }
-                newNotifications.forEach { notification -> repository.addNotification(notification) }
+                newNotifications.forEach { notification -> repository.upsertNotification(notification) }
                 runOnUiThread {
                     Toast.makeText(this@DetailActivity, toastMessage, Toast.LENGTH_LONG).show()
                     mainListContainer.isRefreshing = false

app/src/main/java/io/heckel/ntfy/ui/MainActivity.kt

@@ -444,7 +444,7 @@ class MainActivity : AppCompatActivity(), ActionMode.Callback, AddFragment.Subsc
             try {
                 val user = repository.getUser(subscription.baseUrl) // May be null
                 val notifications = api.poll(subscription.id, subscription.baseUrl, subscription.topic, user)
-                notifications.forEach { notification -> repository.addNotification(notification) }
+                notifications.forEach { notification -> repository.upsertNotification(notification) }
             } catch (e: Exception) {
                 Log.e(TAG, "Unable to fetch notifications: ${e.message}", e)
             }
@@ -492,8 +492,9 @@ class MainActivity : AppCompatActivity(), ActionMode.Callback, AddFragment.Subsc
                     newNotifications.forEach { notification ->
                         newNotificationsCount++
                         val notificationWithId = notification.copy(notificationId = Random.nextInt())
-                        if (repository.addNotification(notificationWithId)) {
-                            dispatcher?.dispatch(subscription, notificationWithId)
+                        val maybeUpdatedNotification = repository.upsertNotification(notificationWithId)
+                        if (maybeUpdatedNotification != null) {
+                            dispatcher?.dispatch(subscription, maybeUpdatedNotification)
                         }
                     }
                 } catch (e: Exception) {

app/src/main/java/io/heckel/ntfy/work/PollWorker.kt

@@ -51,8 +51,9 @@ class PollWorker(ctx: Context, params: WorkerParameters) : CoroutineWorker(ctx,
                         .onlyNewNotifications(subscription.id, notifications)
                         .map { it.copy(notificationId = Random.nextInt()) }
                     newNotifications.forEach { notification ->
-                        if (repository.addNotification(notification)) {
-                            dispatcher.dispatch(subscription, notification)
+                        val maybeUpdatedNotification = repository.upsertNotification(notification)
+                        if (maybeUpdatedNotification != null) {
+                            dispatcher.dispatch(subscription, maybeUpdatedNotification)
                         }
                     }
                 } catch (e: Exception) {

app/src/play/java/io/heckel/ntfy/firebase/FirebaseService.kt

@@ -1,7 +1,6 @@
 package io.heckel.ntfy.firebase
 
 import android.content.Intent
-import android.util.Base64
 import androidx.work.*
 import com.google.firebase.messaging.FirebaseMessagingService
 import com.google.firebase.messaging.RemoteMessage
@@ -11,7 +10,6 @@ import io.heckel.ntfy.db.Attachment
 import io.heckel.ntfy.db.Notification
 import io.heckel.ntfy.util.Log
 import io.heckel.ntfy.msg.ApiService
-import io.heckel.ntfy.msg.MESSAGE_ENCODING_BASE64
 import io.heckel.ntfy.msg.NotificationDispatcher
 import io.heckel.ntfy.service.SubscriberService
 import io.heckel.ntfy.util.toPriority
@@ -82,6 +80,7 @@ class FirebaseService : FirebaseMessagingService() {
         val data = remoteMessage.data
         val id = data["id"]
         val timestamp = data["time"]?.toLongOrNull()
+        val updated = data["updated"]?.toLongOrNull()
         val topic = data["topic"]
         val title = data["title"]
         val message = data["message"]
@@ -125,6 +124,7 @@ class FirebaseService : FirebaseMessagingService() {
                 id = id,
                 subscriptionId = subscription.id,
                 timestamp = timestamp,
+                updated = updated ?: 0L,
                 title = title ?: "",
                 message = message,
                 encoding = encoding ?: "",
@@ -135,9 +135,10 @@ class FirebaseService : FirebaseMessagingService() {
                 notificationId = Random.nextInt(),
                 deleted = false
             )
-            if (repository.addNotification(notification)) {
+            val maybeUpdatedNotification = repository.upsertNotification(notification)
+            if (maybeUpdatedNotification != null) {
                 Log.d(TAG, "Dispatching notification for message: from=${remoteMessage.from}, fcmprio=${remoteMessage.priority}, fcmprio_orig=${remoteMessage.originalPriority}, data=${data}")
-                dispatcher.dispatch(subscription, notification)
+                dispatcher.dispatch(subscription, maybeUpdatedNotification)
             }
         }
     }