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<?php
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/**
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* @file
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* A generalized voting API for Drupal.
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*
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* Maintains and provides an interface for a shared bin of vote and rating
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* data. Modules can cast votes with arbitrary properties and VotingAPI will
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* total them automatically. Support for basic anonymous voting by IP address,
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* multi-criteria voting, arbitrary aggregation functions, etc.
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*/
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/**
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* Implements of hook_menu().
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*/
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function votingapi_menu() {
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$items = array();
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$items['admin/config/search/votingapi'] = array(
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'title' => 'Voting API',
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'description' => 'Configure sitewide settings for user-generated ratings and votes.',
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'page callback' => 'drupal_get_form',
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'page arguments' => array('votingapi_settings_form'),
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'access callback' => 'user_access',
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'access arguments' => array('administer voting api'),
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'file' => 'votingapi.admin.inc',
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'type' => MENU_NORMAL_ITEM
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);
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if (module_exists('devel_generate')) {
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$items['admin/config/development/generate/votingapi'] = array(
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'title' => 'Generate votes',
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'description' => 'Generate a given number of votes on site content. Optionally delete existing votes.',
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'page callback' => 'drupal_get_form',
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'page arguments' => array('votingapi_generate_votes_form'),
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'access arguments' => array('administer voting api'),
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'file' => 'votingapi.admin.inc',
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);
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}
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return $items;
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}
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/**
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* Implements hook_permission().
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*/
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function votingapi_permission() {
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return array(
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'administer voting api' => array(
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'title' => t('Administer Voting API'),
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),
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);
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}
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/**
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* Implements of hook_views_api().
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*/
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function votingapi_views_api() {
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return array(
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'api' => 3,
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'path' => drupal_get_path('module', 'votingapi') . '/views',
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);
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}
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/**
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* Implements of hook_cron().
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*
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* Allows db-intensive recalculations to be deferred until cron-time.
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*/
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function votingapi_cron() {
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if (variable_get('votingapi_calculation_schedule', 'immediate') == 'cron') {
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$time = REQUEST_TIME;
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$last_cron = variable_get('votingapi_last_cron', 0);
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$result = db_query('SELECT DISTINCT entity_type, entity_id FROM {votingapi_vote} WHERE timestamp > :timestamp', array(':timestamp' => $last_cron));
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foreach ($result as $content) {
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votingapi_recalculate_results($content->entity_type, $content->entity_id, TRUE);
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}
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variable_set('votingapi_last_cron', $time);
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}
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_votingapi_cron_delete_orphaned();
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}
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/**
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* Cast a vote on a particular piece of content.
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*
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* This function does most of the heavy lifting needed by third-party modules
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* based on VotingAPI. Handles clearing out old votes for a given piece of
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* content, saving the incoming votes, and re-tallying the results given the
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* new data.
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*
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* Modules that need more explicit control can call votingapi_add_votes() and
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* manage the deletion/recalculation tasks manually.
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*
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* @param $votes
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* An array of votes, each with the following structure:
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* $vote['entity_type'] (Optional, defaults to 'node')
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* $vote['entity_id'] (Required)
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* $vote['value_type'] (Optional, defaults to 'percent')
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* $vote['value'] (Required)
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* $vote['tag'] (Optional, defaults to 'vote')
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* $vote['uid'] (Optional, defaults to current user)
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* $vote['vote_source'] (Optional, defaults to current IP)
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* $vote['timestamp'] (Optional, defaults to REQUEST_TIME)
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* @param $criteria
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* A keyed array used to determine what votes will be deleted when the current
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* vote is cast. If no value is specified, all votes for the current content
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* by the current user will be reset. If an empty array is passed in, no votes
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* will be reset and all incoming votes will be saved IN ADDITION to existing
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* ones.
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* $criteria['vote_id'] (If this is set, all other keys are skipped)
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* $criteria['entity_type']
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* $criteria['entity_type']
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* $criteria['value_type']
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* $criteria['tag']
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* $criteria['uid']
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* $criteria['vote_source']
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* $criteria['timestamp'] (If this is set, records with timestamps
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* GREATER THAN the set value will be selected.)
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* @return
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* An array of vote result records affected by the vote. The values are
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* contained in a nested array keyed thusly:
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* $value = $results[$entity_type][$entity_id][$tag][$value_type][$function]
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*
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* @see votingapi_add_votes()
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* @see votingapi_recalculate_results()
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*/
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function votingapi_set_votes(&$votes, $criteria = NULL) {
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$touched = array();
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if (!empty($votes['entity_id'])) {
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$votes = array($votes);
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}
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// Allow other modules to modify or unset/remove votes.
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// module_invoke_all does not allow passing variables by reference
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// http://api.drupal.org/api/drupal/includes%21module.inc/function/module_invoke_all/7#comment-35778
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drupal_alter(array('votingapi_preset_votes'), $votes);
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// Handle clearing out old votes if they exist.
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if (!isset($criteria)) {
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// If the calling function didn't explicitly set criteria for vote deletion,
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// build up the delete queries here.
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foreach ($votes as $vote) {
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$tmp = $vote + votingapi_current_user_identifier();
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if (isset($tmp['value'])) {
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unset($tmp['value']);
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}
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votingapi_delete_votes(votingapi_select_votes($tmp));
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}
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}
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elseif (is_array($criteria)) {
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// The calling function passed in an explicit set of delete filters.
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if (!empty($criteria['entity_id'])) {
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$criteria = array($criteria);
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}
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foreach ($criteria as $c) {
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votingapi_delete_votes(votingapi_select_votes($c));
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}
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}
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foreach ($votes as $key => $vote) {
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_votingapi_prep_vote($vote);
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$votes[$key] = $vote; // Is this needed? Check to see how PHP4 handles refs.
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}
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// Cast the actual votes, inserting them into the table.
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votingapi_add_votes($votes);
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foreach ($votes as $vote) {
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$touched[$vote['entity_type']][$vote['entity_id']] = TRUE;
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}
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if (variable_get('votingapi_calculation_schedule', 'immediate') != 'cron') {
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foreach ($touched as $type => $ids) {
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foreach ($ids as $id => $bool) {
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$touched[$type][$id] = votingapi_recalculate_results($type, $id);
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}
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}
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}
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return $touched;
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}
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/**
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* Generate a proper identifier for the current user: if they have an account,
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* return their UID. Otherwise, return their IP address.
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*/
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function votingapi_current_user_identifier() {
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global $user;
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$criteria = array('uid' => $user->uid);
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if (!$user->uid) {
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$criteria['vote_source'] = ip_address();
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}
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return $criteria;
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}
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/**
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* Implements of hook_votingapi_storage_add_vote().
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*/
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function votingapi_votingapi_storage_add_vote(&$vote) {
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drupal_write_record('votingapi_vote', $vote);
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}
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/**
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* Implements of hook_votingapi_storage_delete_votes().
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*/
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function votingapi_votingapi_storage_delete_votes($votes, $vids) {
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db_delete('votingapi_vote')->condition('vote_id', $vids, 'IN')->execute();
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}
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/**
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* Implements of hook_votingapi_storage_select_votes().
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*/
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function votingapi_votingapi_storage_select_votes($criteria, $limit) {
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$query = db_select('votingapi_vote')->fields('votingapi_vote');
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foreach ($criteria as $key => $value) {
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if ($key == 'timestamp') {
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$query->condition($key, $value, '>');
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}
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else {
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$query->condition($key, $value, is_array($value) ? 'IN' : '=');
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}
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}
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if (!empty($limit)) {
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$query->range(0, $limit);
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}
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return $query->execute()->fetchAll(PDO::FETCH_ASSOC);
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}
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/**
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* Save a collection of votes to the database.
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*
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* This function does most of the heavy lifting for VotingAPI the main
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* votingapi_set_votes() function, but does NOT automatically triger re-tallying
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* of results. As such, it's useful for modules that must insert their votes in
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* separate batches without triggering unecessary recalculation.
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*
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* Remember that any module calling this function implicitly assumes responsibility
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* for calling votingapi_recalculate_results() when all votes have been inserted.
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*
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* @param $votes
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* A vote or array of votes, each with the following structure:
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* $vote['entity_type'] (Optional, defaults to 'node')
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* $vote['entity_id'] (Required)
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* $vote['value_type'] (Optional, defaults to 'percent')
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* $vote['value'] (Required)
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* $vote['tag'] (Optional, defaults to 'vote')
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* $vote['uid'] (Optional, defaults to current user)
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* $vote['vote_source'] (Optional, defaults to current IP)
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* $vote['timestamp'] (Optional, defaults to REQUEST_TIME)
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* @return
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* The same votes, with vote_id keys populated.
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*
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* @see votingapi_set_votes()
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* @see votingapi_recalculate_results()
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*/
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function votingapi_add_votes(&$votes) {
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if (!empty($votes['entity_id'])) {
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$votes = array($votes);
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}
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$function = variable_get('votingapi_storage_module', 'votingapi') . '_votingapi_storage_add_vote';
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foreach ($votes as $key => $vote) {
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_votingapi_prep_vote($vote);
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$function($vote);
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$votes[$key] = $vote;
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}
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module_invoke_all('votingapi_insert', $votes);
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return $votes;
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}
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/**
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* Save a bundle of vote results to the database.
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*
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* This function is called by votingapi_recalculate_results() after tallying
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* the values of all cast votes on a piece of content. This function will be of
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* little use for most third-party modules, unless they manually insert their
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* own result data.
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*
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* @param vote_results
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* An array of vote results, each with the following properties:
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* $vote_result['entity_type']
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* $vote_result['entity_id']
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* $vote_result['value_type']
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* $vote_result['value']
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* $vote_result['tag']
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* $vote_result['function']
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* $vote_result['timestamp'] (Optional, defaults to REQUEST_TIME)
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*/
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function votingapi_add_results($vote_results = array()) {
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if (!empty($vote_results['entity_id'])) {
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$vote_results = array($vote_results);
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}
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foreach ($vote_results as $vote_result) {
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$vote_result['timestamp'] = REQUEST_TIME;
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drupal_write_record('votingapi_cache', $vote_result);
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}
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}
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/**
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* Delete votes from the database.
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*
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* @param $votes
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* An array of votes to delete. Minimally, each vote must have the 'vote_id'
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* key set.
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*/
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function votingapi_delete_votes($votes = array()) {
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if (!empty($votes)) {
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module_invoke_all('votingapi_delete', $votes);
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$vids = array();
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foreach ($votes as $vote) {
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$vids[] = $vote['vote_id'];
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}
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$function = variable_get('votingapi_storage_module', 'votingapi') . '_votingapi_storage_delete_votes';
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$function($votes, $vids);
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}
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}
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/**
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* Delete cached vote results from the database.
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*
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* @param $vote_results
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* An array of vote results to delete. Minimally, each vote result must have
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* the 'vote_cache_id' key set.
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*/
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function votingapi_delete_results($vote_results = array()) {
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if (!empty($vote_results)) {
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$vids = array();
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foreach ($vote_results as $vote) {
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$vids[] = $vote['vote_cache_id'];
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}
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db_delete('votingapi_cache')->condition('vote_cache_id', $vids, 'IN')->execute();
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}
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}
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/**
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* Select individual votes from the database.
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*
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* @param $criteria
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* A keyed array used to build the select query. Keys can contain
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* a single value or an array of values to be matched.
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* $criteria['vote_id'] (If this is set, all other keys are skipped)
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* $criteria['entity_id']
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* $criteria['entity_type']
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* $criteria['value_type']
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* $criteria['tag']
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* $criteria['uid']
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* $criteria['vote_source']
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* $criteria['timestamp'] (If this is set, records with timestamps
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* GREATER THAN the set value will be selected.)
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* @param $limit
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* An optional integer specifying the maximum number of votes to return.
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* @return
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* An array of votes matching the criteria.
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*/
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function votingapi_select_votes($criteria = array(), $limit = 0) {
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$window = -1;
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if (empty($criteria['uid']) || $criteria['uid'] == 0) {
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if (!empty($criteria['vote_source'])) {
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$window = variable_get('votingapi_anonymous_window', 86400);
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}
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} else {
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361
|
$window = variable_get('votingapi_user_window', -1);
|
|
362
|
}
|
|
363
|
if ($window >= 0) {
|
|
364
|
$criteria['timestamp'] = REQUEST_TIME - $window;
|
|
365
|
}
|
|
366
|
$function = variable_get('votingapi_storage_module', 'votingapi') . '_votingapi_storage_select_votes';
|
|
367
|
return $function($criteria, $limit);
|
|
368
|
}
|
|
369
|
|
|
370
|
/**
|
|
371
|
* Select cached vote results from the database.
|
|
372
|
*
|
|
373
|
* @param $criteria
|
|
374
|
* A keyed array used to build the select query. Keys can contain
|
|
375
|
* a single value or an array of values to be matched.
|
|
376
|
* $criteria['vote_cache_id'] (If this is set, all other keys are skipped)
|
|
377
|
* $criteria['entity_id']
|
|
378
|
* $criteria['entity_type']
|
|
379
|
* $criteria['value_type']
|
|
380
|
* $criteria['tag']
|
|
381
|
* $criteria['function']
|
|
382
|
* $criteria['timestamp'] (If this is set, records with timestamps
|
|
383
|
* GREATER THAN the set value will be selected.)
|
|
384
|
* @param $limit
|
|
385
|
* An optional integer specifying the maximum number of votes to return.
|
|
386
|
* @return
|
|
387
|
* An array of vote results matching the criteria.
|
|
388
|
*/
|
|
389
|
function votingapi_select_results($criteria = array(), $limit = 0) {
|
|
390
|
$query = db_select('votingapi_cache')->fields('votingapi_cache');
|
|
391
|
foreach ($criteria as $key => $value) {
|
|
392
|
$query->condition($key, $value, is_array($value) ? 'IN' : '=');
|
|
393
|
}
|
|
394
|
if (!empty($limit)) {
|
|
395
|
$query->range(0, $limit);
|
|
396
|
}
|
|
397
|
return $query->execute()->fetchAll(PDO::FETCH_ASSOC);
|
|
398
|
}
|
|
399
|
|
|
400
|
/**
|
|
401
|
* Recalculates the aggregate results of all votes for a piece of content.
|
|
402
|
*
|
|
403
|
* Loads all votes for a given piece of content, then calculates and caches the
|
|
404
|
* aggregate vote results. This is only intended for modules that have assumed
|
|
405
|
* responsibility for the full voting cycle: the votingapi_set_vote() function
|
|
406
|
* recalculates automatically.
|
|
407
|
*
|
|
408
|
* @param $entity_type
|
|
409
|
* A string identifying the type of content being rated. Node, comment,
|
|
410
|
* aggregator item, etc.
|
|
411
|
* @param $entity_id
|
|
412
|
* The key ID of the content being rated.
|
|
413
|
* @return
|
|
414
|
* An array of the resulting votingapi_cache records, structured thusly:
|
|
415
|
* $value = $results[$ag][$value_type][$function]
|
|
416
|
*
|
|
417
|
* @see votingapi_set_votes()
|
|
418
|
*/
|
|
419
|
function votingapi_recalculate_results($entity_type, $entity_id, $force_calculation = FALSE) {
|
|
420
|
// if we're operating in cron mode, and the 'force recalculation' flag is NOT set,
|
|
421
|
// bail out. The cron run will pick up the results.
|
|
422
|
|
|
423
|
if (variable_get('votingapi_calculation_schedule', 'immediate') != 'cron' || $force_calculation == TRUE) {
|
|
424
|
$query = db_delete('votingapi_cache')
|
|
425
|
->condition('entity_type', $entity_type)
|
|
426
|
->condition('entity_id', $entity_id)
|
|
427
|
->execute();
|
|
428
|
|
|
429
|
$function = variable_get('votingapi_storage_module', 'votingapi') . '_votingapi_storage_standard_results';
|
|
430
|
// Bulk query to pull the majority of the results we care about.
|
|
431
|
$cache = $function($entity_type, $entity_id);
|
|
432
|
|
|
433
|
// Give other modules a chance to alter the collection of votes.
|
|
434
|
drupal_alter('votingapi_results', $cache, $entity_type, $entity_id);
|
|
435
|
|
|
436
|
// Now, do the caching. Woo.
|
|
437
|
$cached = array();
|
|
438
|
foreach ($cache as $tag => $types) {
|
|
439
|
foreach ($types as $type => $functions) {
|
|
440
|
foreach ($functions as $function => $value) {
|
|
441
|
$cached[] = array(
|
|
442
|
'entity_type' => $entity_type,
|
|
443
|
'entity_id' => $entity_id,
|
|
444
|
'value_type' => $type,
|
|
445
|
'value' => $value,
|
|
446
|
'tag' => $tag,
|
|
447
|
'function' => $function,
|
|
448
|
);
|
|
449
|
}
|
|
450
|
}
|
|
451
|
}
|
|
452
|
votingapi_add_results($cached);
|
|
453
|
|
|
454
|
// Give other modules a chance to act on the results of the vote totaling.
|
|
455
|
module_invoke_all('votingapi_results', $cached, $entity_type, $entity_id);
|
|
456
|
|
|
457
|
return $cached;
|
|
458
|
}
|
|
459
|
}
|
|
460
|
|
|
461
|
|
|
462
|
/**
|
|
463
|
* Returns metadata about tags, value_types, and results defined by vote modules.
|
|
464
|
*
|
|
465
|
* If your module needs to determine what existing tags, value_types, etc., are
|
|
466
|
* being supplied by other modules, call this function. Querying the votingapi
|
|
467
|
* tables for this information directly is discouraged, as values may not appear
|
|
468
|
* consistently. (For example, 'average' does not appear in the cache table until
|
|
469
|
* votes have actually been cast in the cache table.)
|
|
470
|
*
|
|
471
|
* Three major bins of data are stored: tags, value_types, and functions. Each
|
|
472
|
* entry in these bins is keyed by the value stored in the actual VotingAPI
|
|
473
|
* tables, and contains an array with (minimally) 'name' and 'description' keys.
|
|
474
|
* Modules can add extra keys to their entries if desired.
|
|
475
|
*
|
|
476
|
* This metadata can be modified or expanded using hook_votingapi_metadata_alter().
|
|
477
|
*
|
|
478
|
* @return
|
|
479
|
* An array of metadata defined by VotingAPI and altered by vote modules.
|
|
480
|
*
|
|
481
|
* @see hook_votingapi_metadata_alter()
|
|
482
|
*/
|
|
483
|
function votingapi_metadata($reset = FALSE) {
|
|
484
|
static $data;
|
|
485
|
if ($reset || !isset($data)) {
|
|
486
|
$data = array(
|
|
487
|
'tags' => array(
|
|
488
|
'vote' => array(
|
|
489
|
'name' => t('Normal vote'),
|
|
490
|
'description' => t('The default tag for votes on content. If multiple votes with different tags are being cast on a piece of content, consider casting a "summary" vote with this tag as well.'),
|
|
491
|
),
|
|
492
|
),
|
|
493
|
'value_types' => array(
|
|
494
|
'percent' => array(
|
|
495
|
'name' => t('Percent'),
|
|
496
|
'description' => t('Votes in a specific range. Values are stored in a 1-100 range, but can be represented as any scale when shown to the user.'),
|
|
497
|
),
|
|
498
|
'points' => array(
|
|
499
|
'name' => t('Points'),
|
|
500
|
'description' => t('Votes that contribute points/tokens/karma towards a total. May be positive or negative.'),
|
|
501
|
),
|
|
502
|
),
|
|
503
|
'functions' => array(
|
|
504
|
'count' => array(
|
|
505
|
'name' => t('Number of votes'),
|
|
506
|
'description' => t('The number of votes cast for a given piece of content.'),
|
|
507
|
),
|
|
508
|
'average' => array(
|
|
509
|
'name' => t('Average vote'),
|
|
510
|
'description' => t('The average vote cast on a given piece of content.'),
|
|
511
|
),
|
|
512
|
'sum' => array(
|
|
513
|
'name' => t('Total score'),
|
|
514
|
'description' => t('The sum of all votes for a given piece of content.'),
|
|
515
|
'value_types' => array('points'),
|
|
516
|
),
|
|
517
|
),
|
|
518
|
);
|
|
519
|
|
|
520
|
drupal_alter('votingapi_metadata', $data);
|
|
521
|
}
|
|
522
|
|
|
523
|
return $data;
|
|
524
|
}
|
|
525
|
|
|
526
|
/**
|
|
527
|
* Builds the default VotingAPI results for the three supported voting styles.
|
|
528
|
*/
|
|
529
|
function votingapi_votingapi_storage_standard_results($entity_type, $entity_id) {
|
|
530
|
$cache = array();
|
|
531
|
|
|
532
|
$sql = "SELECT v.value_type, v.tag, ";
|
|
533
|
$sql .= "COUNT(v.value) as value_count, SUM(v.value) as value_sum ";
|
|
534
|
$sql .= "FROM {votingapi_vote} v ";
|
|
535
|
$sql .= "WHERE v.entity_type = :type AND v.entity_id = :id AND v.value_type IN ('points', 'percent') ";
|
|
536
|
$sql .= "GROUP BY v.value_type, v.tag";
|
|
537
|
$results = db_query($sql, array(':type' => $entity_type, ':id' => $entity_id));
|
|
538
|
|
|
539
|
foreach ($results as $result) {
|
|
540
|
$cache[$result->tag][$result->value_type]['count'] = $result->value_count;
|
|
541
|
$cache[$result->tag][$result->value_type]['average'] = $result->value_sum / $result->value_count;
|
|
542
|
if ($result->value_type == 'points') {
|
|
543
|
$cache[$result->tag][$result->value_type]['sum'] = $result->value_sum;
|
|
544
|
}
|
|
545
|
}
|
|
546
|
|
|
547
|
$sql = "SELECT v.tag, v.value, v.value_type, COUNT(1) AS score ";
|
|
548
|
$sql .= "FROM {votingapi_vote} v ";
|
|
549
|
$sql .= "WHERE v.entity_type = :type AND v.entity_id = :id AND v.value_type = 'option' ";
|
|
550
|
$sql .= "GROUP BY v.value, v.tag, v.value_type";
|
|
551
|
$results = db_query($sql, array(':type' => $entity_type, ':id' => $entity_id));
|
|
552
|
|
|
553
|
foreach ($results as $result) {
|
|
554
|
$cache[$result->tag][$result->value_type]['option-' . $result->value] = $result->score;
|
|
555
|
}
|
|
556
|
|
|
557
|
return $cache;
|
|
558
|
}
|
|
559
|
|
|
560
|
/**
|
|
561
|
* Retrieve the value of the first vote matching the criteria passed in.
|
|
562
|
*/
|
|
563
|
function votingapi_select_single_vote_value($criteria = array()) {
|
|
564
|
if ($results = votingapi_select_votes($criteria, 1)) {
|
|
565
|
return $results[0]['value'];
|
|
566
|
}
|
|
567
|
}
|
|
568
|
|
|
569
|
/**
|
|
570
|
* Retrieve the value of the first result matching the criteria passed in.
|
|
571
|
*/
|
|
572
|
function votingapi_select_single_result_value($criteria = array()) {
|
|
573
|
if ($results = votingapi_select_results($criteria, 1)) {
|
|
574
|
return $results[0]['value'];
|
|
575
|
}
|
|
576
|
}
|
|
577
|
|
|
578
|
/**
|
|
579
|
* Populate the value of any unset vote properties.
|
|
580
|
*
|
|
581
|
* @param $vote
|
|
582
|
* A single vote.
|
|
583
|
* @return
|
|
584
|
* A vote object with all required properties filled in with
|
|
585
|
* their default values.
|
|
586
|
*/
|
|
587
|
function _votingapi_prep_vote(&$vote) {
|
|
588
|
global $user;
|
|
589
|
if (empty($vote['prepped'])) {
|
|
590
|
$vote += array(
|
|
591
|
'entity_type' => 'node',
|
|
592
|
'value_type' => 'percent',
|
|
593
|
'tag' => 'vote',
|
|
594
|
'uid' => $user->uid,
|
|
595
|
'timestamp' => REQUEST_TIME,
|
|
596
|
'vote_source' => ip_address(),
|
|
597
|
'prepped' => TRUE
|
|
598
|
);
|
|
599
|
}
|
|
600
|
}
|
|
601
|
|
|
602
|
/**
|
|
603
|
* Implements hook_entity_delete().
|
|
604
|
*
|
|
605
|
* Delete all votes and cache entries for the deleted entities
|
|
606
|
*/
|
|
607
|
function votingapi_entity_delete($entity, $type) {
|
|
608
|
$ids = entity_extract_ids($type, $entity);
|
|
609
|
$id = array($ids[0]);
|
|
610
|
_votingapi_delete_cache_by_entity($id, $type);
|
|
611
|
_votingapi_delete_votes_by_entity($id, $type);
|
|
612
|
}
|
|
613
|
|
|
614
|
/**
|
|
615
|
* Helper function to delete all cache entries on given entities.
|
|
616
|
*
|
|
617
|
* @param array entity ids
|
|
618
|
* @param string entity type
|
|
619
|
*/
|
|
620
|
function _votingapi_delete_cache_by_entity($entity_ids, $type) {
|
|
621
|
$result = db_select('votingapi_cache', 'v')
|
|
622
|
->fields('v', array('vote_cache_id'))
|
|
623
|
->condition('entity_type', $type)
|
|
624
|
->condition('entity_id', $entity_ids)
|
|
625
|
->execute();
|
|
626
|
$votes = array();
|
|
627
|
foreach ($result as $row) {
|
|
628
|
$votes[]['vote_cache_id'] = $row->vote_cache_id;
|
|
629
|
}
|
|
630
|
votingapi_delete_results($votes);
|
|
631
|
}
|
|
632
|
|
|
633
|
/**
|
|
634
|
* Helper function to delete all votes on given entities.
|
|
635
|
*
|
|
636
|
* @param array entity ids
|
|
637
|
* @param string entity type
|
|
638
|
*/
|
|
639
|
function _votingapi_delete_votes_by_entity($entity_ids, $type) {
|
|
640
|
$result = db_select('votingapi_vote', 'v')
|
|
641
|
->fields('v', array('vote_id', 'entity_type', 'entity_id'))
|
|
642
|
->condition('entity_type', $type)
|
|
643
|
->condition('entity_id', $entity_ids)
|
|
644
|
->execute();
|
|
645
|
$votes = array();
|
|
646
|
foreach ($result as $row) {
|
|
647
|
$votes[] = (array) $row;
|
|
648
|
}
|
|
649
|
votingapi_delete_votes($votes);
|
|
650
|
}
|
|
651
|
|
|
652
|
/**
|
|
653
|
* Delete votes and cache entries for a number of entities in the queue.
|
|
654
|
*/
|
|
655
|
function _votingapi_cron_delete_orphaned() {
|
|
656
|
$queue = DrupalQueue::get('VotingAPIOrphaned');
|
|
657
|
$limit = variable_get('votingapi_cron_orphaned_max', 50);
|
|
658
|
$done = 0;
|
|
659
|
while (($item = $queue->claimItem()) && $done++ < $limit) {
|
|
660
|
_votingapi_delete_cache_by_entity(array($item->data['entity_id']), $item->data['entity_type']);
|
|
661
|
_votingapi_delete_votes_by_entity(array($item->data['entity_id']), $item->data['entity_type']);
|
|
662
|
$queue->deleteItem($item);
|
|
663
|
}
|
|
664
|
}
|
