feat: Firebase config

app/build.gradle

@@ -1,14 +1,23 @@
-plugins {
-    id 'com.android.application'
-    id 'org.jetbrains.kotlin.android'
-    id 'kotlin-parcelize'
-    id 'kotlin-kapt'
-    id 'com.google.firebase.crashlytics'
-}
-
 def config = configHelper.fetchConfig()
 def appId = config.getOrDefault("APPLICATION_ID", "org.openedx.app")
 def platformName = config.getOrDefault("PLATFORM_NAME", "OpenEdx").toLowerCase()
+def firebaseConfig = config.get('FIREBASE')
+def firebaseEnabled = firebaseConfig?.getOrDefault('ENABLED', false)
+
+apply plugin: 'com.android.application'
+apply plugin: 'org.jetbrains.kotlin.android'
+apply plugin: 'kotlin-parcelize'
+apply plugin: 'kotlin-kapt'
+if (firebaseEnabled) {
+    apply plugin: 'com.google.gms.google-services'
+    apply plugin: 'com.google.firebase.crashlytics'
+
+    tasks.register('generateGoogleServicesJson') {
+        configHelper.generateGoogleServicesJson(appId)
+    }
+
+    preBuild.dependsOn(generateGoogleServicesJson)
+}
 
 android {
     compileSdk 34
@@ -57,8 +66,10 @@ android {
             minifyEnabled true
             proguardFiles getDefaultProguardFile('proguard-android-optimize.txt'), 'proguard-rules.pro'
 
-            firebaseCrashlytics {
-                mappingFileUploadEnabled false
+            if (firebaseEnabled) {
+                firebaseCrashlytics {
+                    mappingFileUploadEnabled false
+                }
             }
         }
     }

app/src/main/java/org/openedx/app/OpenEdXApp.kt

@@ -26,15 +26,8 @@ class OpenEdXApp : Application() {
                 screenModule
             )
         }
-        val firebaseConfig = config.getFirebaseConfig()
-        if (firebaseConfig.enabled) {
-            val options = FirebaseOptions.Builder()
-                .setProjectId(firebaseConfig.projectId)
-                .setApplicationId(firebaseConfig.applicationId)
-                .setApiKey(firebaseConfig.apiKey)
-                .setGcmSenderId(firebaseConfig.gcmSenderId)
-                .build()
-            Firebase.initialize(this, options)
+        if (config.getFirebaseConfig().enabled) {
+            Firebase.initialize(this)
         }
     }
 

buildSrc/src/main/groovy/org/edx/builder/ConfigHelper.groovy

@@ -95,4 +95,49 @@ class ConfigHelper {
             it.write(new JsonBuilder(configJson).toPrettyString())
         }
     }
+
+    def generateGoogleServicesJson(applicationId) {
+        def config = fetchConfig()
+        def firebase = config.get("FIREBASE")
+        if (!firebase) {
+            return
+        }
+        if (!firebase.getOrDefault("ENABLED", false)) {
+            return
+        }
+
+        def googleServicesJsonPath = projectDir.path + "/app/"
+        new File(googleServicesJsonPath).mkdirs()
+
+        def projectInfo = [
+                project_number: firebase.getOrDefault("PROJECT_NUMBER", ""),
+                project_id    : firebase.getOrDefault("PROJECT_ID", ""),
+                storage_bucket: "${firebase.getOrDefault("PROJECT_ID", "")}.appspot.com"
+        ]
+        def clientInfo = [
+                mobilesdk_app_id   : firebase.getOrDefault("APPLICATION_ID", ""),
+                android_client_info: [
+                        package_name: applicationId
+                ]
+        ]
+        def client = [
+                client_info : clientInfo,
+                oauth_client: [],
+                api_key     : [[current_key: firebase.getOrDefault("API_KEY", "")]],
+                services    : [
+                        appinvite_service: [
+                                other_platform_oauth_client: []
+                        ]
+                ]
+        ]
+        def configJson = [
+                project_info         : projectInfo,
+                client               : [client],
+                configuration_version: "1"
+        ]
+
+        new FileWriter(googleServicesJsonPath + "/google-services.json").withWriter {
+            it.write(new JsonBuilder(configJson).toPrettyString())
+        }
+    }
 }

core/src/main/java/org/openedx/core/config/FirebaseConfig.kt

@@ -6,6 +6,9 @@ data class FirebaseConfig(
     @SerializedName("ENABLED")
     val enabled: Boolean = false,
 
+    @SerializedName("PROJECT_NUMBER")
+    val gcmSenderId: String = "",
+
     @SerializedName("PROJECT_ID")
     val projectId: String = "",
 
@@ -14,7 +17,4 @@ data class FirebaseConfig(
 
     @SerializedName("API_KEY")
     val apiKey: String = "",
-
-    @SerializedName("GCM_SENDER_ID")
-    val gcmSenderId: String = "",
 )

default_config/dev/config.yaml

@@ -28,6 +28,13 @@ PROGRAM:
     PROGRAM_URL: ''
     PROGRAM_DETAIL_URL_TEMPLATE: ''
 
+FIREBASE:
+  ENABLED: false
+  PROJECT_NUMBER: ''
+  PROJECT_ID: ''
+  APPLICATION_ID: ''
+  API_KEY: ''
+
 GOOGLE:
   ENABLED: false
   CLIENT_ID: ''

default_config/prod/config.yaml

@@ -28,6 +28,13 @@ PROGRAM:
     PROGRAM_URL: ''
     PROGRAM_DETAIL_URL_TEMPLATE: ''
 
+FIREBASE:
+  ENABLED: false
+  PROJECT_NUMBER: ''
+  PROJECT_ID: ''
+  APPLICATION_ID: ''
+  API_KEY: ''
+
 GOOGLE:
   ENABLED: false
   CLIENT_ID: ''

default_config/stage/config.yaml

@@ -28,6 +28,13 @@ PROGRAM:
     PROGRAM_URL: ''
     PROGRAM_DETAIL_URL_TEMPLATE: ''
 
+FIREBASE:
+  ENABLED: false
+  PROJECT_NUMBER: ''
+  PROJECT_ID: ''
+  APPLICATION_ID: ''
+  API_KEY: ''
+
 GOOGLE:
   ENABLED: false
   CLIENT_ID: ''