add nostr foreground service

2026-05-18 12:34:46 +07:00
parent 955da2fea6
commit 1c85e26e7f
7 changed files with 189 additions and 24 deletions
@@ -0,0 +1,93 @@
+package su.reya.coop
+
+import android.app.Notification
+import android.app.NotificationChannel
+import android.app.NotificationManager
+import android.app.Service
+import android.content.Intent
+import android.os.Build
+import android.os.IBinder
+import androidx.annotation.RequiresApi
+import androidx.core.app.NotificationCompat
+import androidx.lifecycle.Lifecycle
+import androidx.lifecycle.ProcessLifecycleOwner
+import kotlinx.coroutines.CoroutineScope
+import kotlinx.coroutines.Dispatchers
+import kotlinx.coroutines.SupervisorJob
+import kotlinx.coroutines.cancel
+import kotlinx.coroutines.launch
+import java.io.File
+
+class NostrForegroundService : Service() {
+    private val serviceScope = CoroutineScope(Dispatchers.IO + SupervisorJob())
+    private val nostr = NostrManager.instance
+
+    override fun onBind(intent: Intent?): IBinder? = null
+
+    private fun isUserInApp(): Boolean {
+        return ProcessLifecycleOwner.get().lifecycle.currentState.isAtLeast(Lifecycle.State.STARTED)
+    }
+
+    @RequiresApi(Build.VERSION_CODES.O)
+    override fun onStartCommand(intent: Intent?, flags: Int, startId: Int): Int {
+        createNotificationChannel()
+        val notification = createNotification("Connecting to Nostr...")
+        startForeground(1, notification)
+
+        serviceScope.launch {
+            try {
+                val dbDir = File(filesDir, "nostr")
+                dbDir.mkdirs()
+
+                // Initialize Nostr client
+                nostr.init(dbDir.absolutePath)
+
+                // Handle notifications
+                nostr.handleLiteNotifications { event ->
+                    if (!isUserInApp()) {
+                        showNewMessageNotification(event.content())
+                    }
+                }
+            } catch (e: Exception) {
+                println("Failed to start Nostr in background: ${e.message}")
+            }
+        }
+
+        return START_STICKY
+    }
+
+    @RequiresApi(Build.VERSION_CODES.O)
+    private fun createNotificationChannel() {
+        val channel = NotificationChannel(
+            "nostr_service",
+            "Nostr Background Service",
+            NotificationManager.IMPORTANCE_HIGH
+        )
+        val manager = getSystemService(NotificationManager::class.java)
+        manager?.createNotificationChannel(channel)
+    }
+
+    private fun createNotification(content: String): Notification {
+        return NotificationCompat.Builder(this, "nostr_service")
+            .setContentTitle("Coop")
+            .setContentText(content)
+            .setSmallIcon(android.R.drawable.ic_menu_send)
+            .setOngoing(true)
+            .build()
+    }
+
+    private fun showNewMessageNotification(message: String) {
+        val notification = NotificationCompat.Builder(this, "nostr_service")
+            .setContentTitle("New Message")
+            .setContentText(message)
+            .setAutoCancel(true)
+            .build()
+        val manager = getSystemService(NotificationManager::class.java)
+        manager?.notify(System.currentTimeMillis().toInt(), notification)
+    }
+
+    override fun onDestroy() {
+        super.onDestroy()
+        serviceScope.cancel()
+    }
+}