Merge pull request #65 from FrangSierra/development

Update dependencies and add basic implementation for Firebase Cloud F…

Author: FrangSierra

app/build.gradle

@@ -2,10 +2,11 @@ buildscript {
     ext {
         rx_version = "2.1.10"
         rx_android_version = "2.0.2"
-        firebase_auth_version='16.0.2'
-        firebase_database_version='16.0.1'
-        firebase_storage_version='16.0.1'
-        firebase_firestore_version='17.0.2'
+        firebase_auth_version='16.0.3'
+        firebase_database_version='16.0.2'
+        firebase_storage_version='16.0.2'
+        firebase_firestore_version='17.1.0'
+        firebase_functions_version='16.1.0'
         support_version = "27.0.2"
     }
 }
@@ -19,12 +20,12 @@ android {
         exclude 'META-INF/NOTICE'
     }
 
-    compileSdkVersion 27
+    compileSdkVersion 28
     buildToolsVersion "27.0.3"
 
     defaultConfig {
         minSdkVersion 14
-        targetSdkVersion 27
+        targetSdkVersion 28
         versionCode 5
         versionName "1.3"
         consumerProguardFiles 'consumer-proguard-rules.pro'
@@ -41,6 +42,7 @@ dependencies {
     compileOnly "com.google.firebase:firebase-database:$firebase_database_version"
     compileOnly "com.google.firebase:firebase-storage:$firebase_storage_version"
     compileOnly "com.google.firebase:firebase-firestore:$firebase_firestore_version"
+    compileOnly "com.google.firebase:firebase-functions:$firebase_functions_version"
     compileOnly "com.android.support:recyclerview-v7:$support_version"
     implementation "io.reactivex.rxjava2:rxjava:$rx_version"
     implementation "io.reactivex.rxjava2:rxandroid:$rx_android_version"

app/src/main/java/durdinapps/rxfirebase2/RxFirebaseFunctions.java

@@ -0,0 +1,63 @@
+package durdinapps.rxfirebase2;
+
+import android.support.annotation.NonNull;
+import android.support.annotation.Nullable;
+
+import com.google.android.gms.tasks.OnFailureListener;
+import com.google.android.gms.tasks.OnSuccessListener;
+import com.google.firebase.functions.FirebaseFunctions;
+import com.google.firebase.functions.HttpsCallableResult;
+
+import io.reactivex.Single;
+import io.reactivex.SingleEmitter;
+import io.reactivex.SingleOnSubscribe;
+
+public class RxFirebaseFunctions {
+
+    /**
+     * Calls a {@link HttpsCallableResult} which represents a reference to a Google Cloud Functions HTTPS callable function.
+     *
+     * @param functions Instance of {@link FirebaseFunctions}
+     * @param name      Name of the Google Cloud function
+     * @param data      Params for the request.
+     * @return a {@link Single} which will emit the result of the given function.
+     */
+    @NonNull
+    public static Single<HttpsCallableResult> getHttpsCallable(@NonNull final FirebaseFunctions functions,
+                                                               @NonNull final String name,
+                                                               @Nullable final Object data) {
+        return Single.create(new SingleOnSubscribe<HttpsCallableResult>() {
+            @Override
+            public void subscribe(final SingleEmitter<HttpsCallableResult> emitter) {
+                functions.getHttpsCallable(name)
+                    .call(data)
+                    .addOnSuccessListener(new OnSuccessListener<HttpsCallableResult>() {
+                        @Override
+                        public void onSuccess(HttpsCallableResult httpsCallableResult) {
+                            emitter.onSuccess(httpsCallableResult);
+                        }
+                    })
+                    .addOnFailureListener(new OnFailureListener() {
+                        @Override
+                        public void onFailure(@NonNull Exception e) {
+                            emitter.onError(e);
+                        }
+                    });
+            }
+        });
+    }
+
+
+    /**
+     * Calls a {@link HttpsCallableResult} which represents a reference to a Google Cloud Functions HTTPS callable function.
+     *
+     * @param functions Instance of {@link FirebaseFunctions}
+     * @param name      Name of the Google Cloud function
+     * @return a {@link Single} which will emit the result of the given function.
+     */
+    @NonNull
+    public static Single<HttpsCallableResult> getHttpsCallable(@NonNull final FirebaseFunctions functions,
+                                                               @NonNull final String name) {
+        return getHttpsCallable(functions, name, null);
+    }
+}