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/*
* Copyright (c) 2017 Google Inc. All Rights Reserved.
*
* 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.
*/
package com.android.vts.entity;
import com.google.appengine.api.datastore.Entity;
import com.google.appengine.api.datastore.Key;
import com.google.appengine.api.users.User;
import java.util.logging.Level;
import java.util.logging.Logger;
/** Entity describing subscriptions between a user and a test. */
public class UserFavoriteEntity implements DashboardEntity {
protected static final Logger logger = Logger.getLogger(UserFavoriteEntity.class.getName());
public static final String KIND = "UserFavorite";
// Property keys
public static final String USER = "user";
public static final String TEST_KEY = "testKey";
public static final String MUTE_NOTIFICATIONS = "muteNotifications";
private final Key key;
public final User user;
public final Key testKey;
public boolean muteNotifications;
/**
* Create a user favorite relationship.
*
* @param key The key of the entity in the database.
* @param user The User object for the subscribing user.
* @param testKey The key of the TestEntity object describing the test.
* @param muteNotifications True if the subscriber has muted notifications, false otherwise.
*/
private UserFavoriteEntity(Key key, User user, Key testKey, boolean muteNotifications) {
this.key = key;
this.user = user;
this.testKey = testKey;
this.muteNotifications = muteNotifications;
}
/**
* Create a user favorite relationship.
*
* @param user The User object for the subscribing user.
* @param testKey The key of the TestEntity object describing the test.
* @param muteNotifications True if the subscriber has muted notifications, false otherwise.
*/
public UserFavoriteEntity(User user, Key testKey, boolean muteNotifications) {
this(null, user, testKey, muteNotifications);
}
@Override
public Entity toEntity() {
Entity favoriteEntity;
if (this.key != null) {
favoriteEntity = new Entity(key);
} else {
favoriteEntity = new Entity(KIND);
}
favoriteEntity.setProperty(USER, this.user);
favoriteEntity.setProperty(TEST_KEY, this.testKey);
favoriteEntity.setProperty(MUTE_NOTIFICATIONS, this.muteNotifications);
return favoriteEntity;
}
/**
* Convert an Entity object to a UserFavoriteEntity.
*
* @param e The entity to process.
* @return UserFavoriteEntity object with the properties from e, or null if incompatible.
*/
public static UserFavoriteEntity fromEntity(Entity e) {
if (!e.getKind().equals(KIND) || !e.hasProperty(USER) || !e.hasProperty(TEST_KEY)) {
logger.log(
Level.WARNING, "Missing user favorite attributes in entity: " + e.toString());
return null;
}
try {
User user = (User) e.getProperty(USER);
Key testKey = (Key) e.getProperty(TEST_KEY);
boolean muteNotifications = false;
if (e.hasProperty(MUTE_NOTIFICATIONS)) {
muteNotifications = (boolean) e.getProperty(MUTE_NOTIFICATIONS);
}
return new UserFavoriteEntity(e.getKey(), user, testKey, muteNotifications);
} catch (ClassCastException exception) {
// Invalid cast
logger.log(Level.WARNING, "Error parsing user favorite entity.", exception);
}
return null;
}
}
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