public static function Vote::add in Like & Dislike 7

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

Parameters

type $entity_type:

type $entity_id:

type $vote_tag:

Return value

type

1 call to Vote::add()

EntityLikeDislikeVoteCallback::pageCallback in src/Controllers/PageControllers/EntityLikeDislikeVoteCallback.php

Handles the when a node or comment is voted with a like. This functions uses a general function to register the vote This function is to be used with AJAX so just prints the counts and message

File

src/Model/Vote.php, line 27

Class

Vote

@file

Namespace

Drupal\like_and_dislike\Model

Code

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,
  );
}