# All files / auth user.ts

93.33% Statements 14/15
100% Branches 2/2
80% Functions 4/5
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     /**
     * Copyright 2017 Google Inc.
     *
     * Licensed under the Apache License, Version 2.0 (the "License");
     * you may not use this file except in compliance with the License.
     * You may obtain a copy of the License at
     *
     *   http://www.apache.org/licenses/LICENSE-2.0
     *
     * Unless required by applicable law or agreed to in writing, software
     * distributed under the License is distributed on an "AS IS" BASIS,
     * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     * See the License for the specific language governing permissions and
     * limitations under the License.
     */

    /**
     * Simple wrapper around a nullable UID. Mostly exists to make code more
     * readable.
     */
    export class User {
      /** A user with a null UID. */
      static readonly UNAUTHENTICATED = new User(null);

      // TODO(mikelehen): Look into getting a proper uid-equivalent for
      // non-FirebaseAuth providers.
      static readonly GOOGLE_CREDENTIALS = new User('google-credentials-uid');
      static readonly FIRST_PARTY = new User('first-party-uid');

      constructor(readonly uid: string | null) {}

      isAuthenticated(): boolean {
        return this.uid != null;
      }

      /**
       * Returns a key representing this user, suitable for inclusion in a
       * dictionary.
       */
      toKey(): string {
        if (this.isAuthenticated()) {
          return 'uid:' + this.uid;
        } else {
          return 'anonymous-user';
        }
      }

      isEqual(otherUser: User): boolean {
        return otherUser.uid === this.uid;
      }
    }