class Vote in Like & Dislike 7

@file

Hierarchy

• class \Drupal\like_and_dislike\Model\Vote

File

src/Model/Vote.php, line 8

Namespace

Drupal\like_and_dislike\Model

class Vote {

  /**
   * Manage the real like or dislike event for nodes or comments.
   * If the user has permission to vote it checks that the user has not made this
   * vote already.
   * When registers a vote it will remove all votes from user for that entity and
   * register the new vote.
   *
   * This function is to be used with AJAX so just prints like this:
   * likecount/dislikecount/message
   * Example: 3/2/The user can't vote
   *
   * @global type $user
   * @param type $entity_type
   * @param type $entity_id
   * @param type $vote_tag
   * @return type
   */
  public static function add($entity_id, $entity_type, $vote_tag) {
    global $user;
    $message = '';
    $entities = entity_load($entity_type, array(
      $entity_id,
    ));
    $Entity = new \Drupal\like_and_dislike\Model\Entity(current($entities));
    $can_vote = $Entity
      ->userCanVote();
    if ($can_vote) {

      //Check if disliked
      $checkCriteria = array(
        'entity_id' => $entity_id,
        'tag' => $vote_tag == 'like' ? 'dislike' : 'like',
        'uid' => $user->uid,
        'entity_type' => $entity_type,
      );
      if ($user->uid == 0) {
        $checkCriteria['vote_source'] = ip_address();
      }
      $search_previous_vote = votingapi_select_votes($checkCriteria);
      $previous_vote = count($search_previous_vote);
      if ($previous_vote == 1) {
        votingapi_delete_votes($search_previous_vote);
      }
      $vote = array(
        'entity_id' => $entity_id,
        'value' => 1,
        'tag' => $vote_tag,
        'entity_type' => $entity_type,
        'value_type' => 'points',
      );
      $setVote = votingapi_set_votes($vote);
    }
    else {
      $message = t(variable_get('like_and_dislike_vote_' . $entity_type . '_denied_msg', "You don't have permission to vote"));
    }

    // Get the updated like/dislike counts and print them with a message if any
    $criteriaLike = array(
      'entity_id' => $entity_id,
      'tag' => 'like',
      'entity_type' => $entity_type,
    );
    $criteriaDislike = array(
      'entity_id' => $entity_id,
      'tag' => 'dislike',
      'entity_type' => $entity_type,
    );
    entity_get_controller('node')
      ->resetCache(array(
      $entity_id,
    ));
    $likeCount = sizeof(votingapi_select_votes($criteriaLike));
    $dislikeCount = sizeof(votingapi_select_votes($criteriaDislike));
    return array(
      'likes' => $likeCount,
      'dislikes' => $dislikeCount,
      'message' => $message,
    );
  }

}

Members

Name	Modifiers	Type	Description	Overrides
Vote::add	public static	function	Manage the real like or dislike event for nodes or comments. If the user has permission to vote it checks that the user has not made this vote already. When registers a vote it will remove all votes from user for that entity and register the new vote.