From b8689292c3b11818ee5adab01e182d9a37b88670 Mon Sep 17 00:00:00 2001
From: Adam Brown <adampsbrown@gmail.com>
Date: Wed, 12 Oct 2022 22:59:31 +0100
Subject: [PATCH] request notification permission on android 13 when showing
 home content

---
 .../main/kotlin/app/dapk/st/core/DapkActivity.kt    | 10 ++++++++++
 .../src/main/kotlin/app/dapk/st/home/HomeState.kt   |  1 +
 .../main/kotlin/app/dapk/st/home/HomeViewModel.kt   |  2 ++
 .../main/kotlin/app/dapk/st/home/MainActivity.kt    | 13 ++++++++++++-
 features/notifications/src/main/AndroidManifest.xml |  4 +++-
 5 files changed, 28 insertions(+), 2 deletions(-)

diff --git a/domains/android/compose-core/src/main/kotlin/app/dapk/st/core/DapkActivity.kt b/domains/android/compose-core/src/main/kotlin/app/dapk/st/core/DapkActivity.kt
index 4a9cc24..4c75c4f 100644
--- a/domains/android/compose-core/src/main/kotlin/app/dapk/st/core/DapkActivity.kt
+++ b/domains/android/compose-core/src/main/kotlin/app/dapk/st/core/DapkActivity.kt
@@ -75,6 +75,16 @@ abstract class DapkActivity : ComponentActivity(), EffectScope {
         }
     }
 
+    protected fun registerForPermission(permission: String, callback: () -> Unit = {}): () -> Unit {
+        val resultCallback: (result: Boolean) -> Unit = { result ->
+            if (result) {
+                callback()
+            }
+        }
+        val launcher = registerForActivityResult(ActivityResultContracts.RequestPermission(), resultCallback)
+        return { launcher.launch(permission) }
+    }
+
     protected suspend fun ensurePermission(permission: String): PermissionResult {
         return when {
             checkSelfPermission(permission) == PackageManager.PERMISSION_GRANTED -> PermissionResult.Granted
diff --git a/features/home/src/main/kotlin/app/dapk/st/home/HomeState.kt b/features/home/src/main/kotlin/app/dapk/st/home/HomeState.kt
index c7d74a3..22ec6aa 100644
--- a/features/home/src/main/kotlin/app/dapk/st/home/HomeState.kt
+++ b/features/home/src/main/kotlin/app/dapk/st/home/HomeState.kt
@@ -21,5 +21,6 @@ sealed interface HomeScreenState {
 
 sealed interface HomeEvent {
     object Relaunch : HomeEvent
+    object OnShowContent : HomeEvent
 }
 
diff --git a/features/home/src/main/kotlin/app/dapk/st/home/HomeViewModel.kt b/features/home/src/main/kotlin/app/dapk/st/home/HomeViewModel.kt
index 456f0a0..6de8f9a 100644
--- a/features/home/src/main/kotlin/app/dapk/st/home/HomeViewModel.kt
+++ b/features/home/src/main/kotlin/app/dapk/st/home/HomeViewModel.kt
@@ -39,6 +39,7 @@ class HomeViewModel(
     fun start() {
         viewModelScope.launch {
             state = if (credentialsProvider.isSignedIn()) {
+                _events.emit(HomeEvent.OnShowContent)
                 initialHomeContent()
             } else {
                 SignedOut
@@ -62,6 +63,7 @@ class HomeViewModel(
     fun loggedIn() {
         viewModelScope.launch {
             state = initialHomeContent()
+            _events.emit(HomeEvent.OnShowContent)
             listenForInviteChanges()
         }
     }
diff --git a/features/home/src/main/kotlin/app/dapk/st/home/MainActivity.kt b/features/home/src/main/kotlin/app/dapk/st/home/MainActivity.kt
index c308346..22567c4 100644
--- a/features/home/src/main/kotlin/app/dapk/st/home/MainActivity.kt
+++ b/features/home/src/main/kotlin/app/dapk/st/home/MainActivity.kt
@@ -1,5 +1,7 @@
 package app.dapk.st.home
 
+import android.Manifest
+import android.os.Build
 import android.os.Bundle
 import androidx.compose.foundation.layout.fillMaxSize
 import androidx.compose.material3.AlertDialog
@@ -27,10 +29,11 @@ class MainActivity : DapkActivity() {
 
     override fun onCreate(savedInstanceState: Bundle?) {
         super.onCreate(savedInstanceState)
-
+        val pushPermissionLauncher = registerPushPermission()
         homeViewModel.events.onEach {
             when (it) {
                 HomeEvent.Relaunch -> recreate()
+                HomeEvent.OnShowContent -> pushPermissionLauncher?.invoke()
             }
         }.launchIn(lifecycleScope)
 
@@ -45,6 +48,14 @@ class MainActivity : DapkActivity() {
         }
     }
 
+    private fun registerPushPermission(): (() -> Unit)? {
+        return if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.TIRAMISU) {
+            registerForPermission(Manifest.permission.POST_NOTIFICATIONS)
+        } else {
+            null
+        }
+    }
+
     @Composable
     private fun BetaUpgradeDialog() {
         AlertDialog(
diff --git a/features/notifications/src/main/AndroidManifest.xml b/features/notifications/src/main/AndroidManifest.xml
index e76fe66..ebdd9bb 100644
--- a/features/notifications/src/main/AndroidManifest.xml
+++ b/features/notifications/src/main/AndroidManifest.xml
@@ -1,2 +1,4 @@
 <?xml version="1.0" encoding="utf-8"?>
-<manifest package="app.dapk.st.notifications"/>
\ No newline at end of file
+<manifest xmlns:android="http://schemas.android.com/apk/res/android" package="app.dapk.st.notifications">
+    <uses-permission android:name="android.permission.POST_NOTIFICATIONS"/>
+</manifest>
\ No newline at end of file