Migrate actions,reducers and action types to TS #15

app/firebaseServices/circles/CircleService.ts

@@ -0,0 +1,27 @@
+// - Import react components
+import { firebaseRef, firebaseAuth } from 'app/firebase/';
+
+
+import { SocialError } from "domain/common";
+import { ICircleService } from 'services/circles';
+import { Circle, UserFollower } from 'domain/circles';
+import { User } from 'domain/users';
+
+/**
+ * Firbase circle service
+ * 
+ * @export
+ * @class CircleService
+ * @implements {ICircleService}
+ */
+export class CircleService implements ICircleService {
+
+    addCircle: (userId: string, circle: Circle) => Promise<string>;
+    addFollowingUser: (userId: string, circleId: string, userCircle: User, userFollower: UserFollower, userFollowingId: string) => Promise<void>;
+    deleteFollowingUser: (userId: string, circleId: string, userFollowingId: string) => Promise<void>;
+    updateCircle: (userId: string, circle: Circle, circleId: string) => Promise<void>;
+    deleteCircle: (circleId: string, userId: string) => Promise<void>;
+    getCircles: () => Promise<{ [circleId: string]: Circle; }>;
+    getCirclesByUserId: (userId: string) => Promise<{ [circleId: string]: Circle; }>;
+
+}