/**
* Builds a list that contains advices of users that can be followed by the current user
*
* @param User $user
* @param integer $limit
*
* @return User[]
*/
public function adviceFollowersByUser(User $user, $limit = 5)
{
$followerRepository = $this->followerRepository;
$currentFollowing = $user->getFollowing();
if (count($currentFollowing) === 0) {
return $followerRepository->findUsersWithMostFollowers($limit, $user);
}
$advices = $followerRepository->findFollowingByFollowing($user, $limit);
if (empty($advices)) {
throw new FollowerException();
}
return $advices;
}
public function testUnfollowUser()
{
$target = User::fromDTO(new CreateUserDTO('foo', 'bar', '*****@*****.**'));
$user = new User(new Credentials('Ma27', 'test-pwd'), new UserDetails('*****@*****.**', new \DateTime(), new \DateTime()), [$target]);
$this->assertCount(1, $user->getFollowing());
$user->unfollow($target);
$this->assertCount(0, $user->getFollowing());
}
/**
* {@inheritdoc}
*/
public function findFollowingByFollowing(User $user, $maxQueryResultLength = 5)
{
$qb = $this->getEntityManager()->createQueryBuilder();
$limit = (int) $maxQueryResultLength;
$userIds = array_map(function (User $user) {
return $user->getId();
}, array_merge($user->getFollowing(), [$user]));
$qb->select('user')->from('SEN_User:User', 'user')->join('SEN_User:User', 'following', Join::WITH, $qb->expr()->in('following.identifier', ':followingIds'))->where($qb->expr()->isMemberOf('user', 'following.following'))->andWhere($qb->expr()->notIn('user.identifier', $userIds))->setParameter(':followingIds', $userIds);
$qb->setMaxResults($limit);
return $qb->getQuery()->getResult();
}
