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File Content: reviews-functions.php

<?php

define('CURLY_CORE_REVIEWS_MAX_RATING', 5);
define('CURLY_CORE_REVIEWS_POINTS_SCALE', 2);

/*
 * Function for defining post types that can be reviewed
 */
if (!function_exists('curly_core_rating_posts_types')) {
    function curly_core_rating_posts_types() {
        $post_types = apply_filters('curly_core_filter_rating_post_types', array());

return $post_types;
    }
}

/*
 * Function for defining post types that can be reviewed
 */
if (!function_exists('curly_core_rating_criteria')) {
    function curly_core_rating_criteria() {
        $rating_criteria = array();
        $global_rating = array(
            'key' => 'mkdf_global_rating',
            'label' => esc_html__('Rating', 'curly-core'),
            'show' => true
        );

$rating_criteria[] = $global_rating;

$rating_criteria = apply_filters('curly_core_filter_rating_criteria', $rating_criteria);

return $rating_criteria;
    }
}

/*
 * Function for generating taxonomy array
 */
function curly_core_taxonomy_rating_array($taxonomy_name) {
    /*
    ** Get the necessary data about user-defined review taxonomy
    */
    global $wpdb;

if (curly_core_is_wpml_installed()) {
        $lang = ICL_LANGUAGE_CODE;
        $wpml_taxonomy_name = 'tax_' . $taxonomy_name;
        $sql = "SELECT t.term_id AS 'id',
                       t.slug AS 'key', 
                       t.name AS 'label' 
				    FROM {$wpdb->prefix}terms t
				    LEFT JOIN {$wpdb->prefix}term_taxonomy tt ON tt.term_id = t.term_id
				    LEFT JOIN {$wpdb->prefix}icl_translations icl_t ON icl_t.element_id = t.term_id
				    WHERE icl_t.element_type = '$wpml_taxonomy_name'
				    AND icl_t.language_code='$lang'
				    ORDER BY name ASC";
    } else {
        $sql = "SELECT t.term_id AS 'id',
                       t.slug AS 'key', 
                       t.name AS 'label' 
                    FROM {$wpdb->prefix}terms t
                    LEFT JOIN {$wpdb->prefix}term_taxonomy tt ON tt.term_id = t.term_id
                    WHERE tt.taxonomy = '$taxonomy_name'
                    ORDER BY name ASC";
    }

$review_criteria = $wpdb->get_results($sql, 'ARRAY_A');

$final_criteria = array();

if (!empty($review_criteria)) {
        $taxonomy_name_meta = str_replace('-', '_', $taxonomy_name);
        foreach ($review_criteria as $review_criterion) {
            $temp_criterion = (array)$review_criterion;
            $term_meta = get_term_meta($temp_criterion['id']);
            $temp_criterion['show'] = (isset($term_meta[$taxonomy_name_meta . '_show'][0]) && $term_meta[$taxonomy_name_meta . '_show'][0] != 'no') ? true : false;
            $temp_criterion['order'] = isset($term_meta[$taxonomy_name_meta . '_order'][0]) ? (int)$term_meta[$taxonomy_name_meta . '_order'][0] : PHP_INT_MAX;

$final_criteria[] = $temp_criterion;
        }

for ($i = 0; $i < count($final_criteria) - 1; $i++) {
 for ($j = $i + 1; $j < count($final_criteria); $j++) {
 if ($final_criteria[$i]['order'] > $final_criteria[$j]['order']) {
 $temp = $final_criteria[$i];
 $final_criteria[$i] = $final_criteria[$j];
 $final_criteria[$j] = $temp;
 }
 }
 }
 }

return $final_criteria;
}

/*
 * Function for defining post types that can be reviewed
 */
if (!function_exists('curly_core_rating_criteria_for_vc')) {
    function curly_core_rating_criteria_for_vc() {
        $criteria_array = curly_core_rating_criteria();
        $formatted_array = array();
        foreach ($criteria_array as $criteria) {
            $formatted_array[$criteria['label']] = $criteria['key'];
        }

return $formatted_array;
    }
}

/*
 * Function for adding comment meta boxes and its callback in admin
 */
if (!function_exists('curly_core_extend_comment_meta_box')) {
    function curly_core_extend_comment_meta_box() {
        add_meta_box(
            'title',
            esc_html__('Comment - Reviews', 'curly-core'),
            'curly_core_extend_comment_meta_box_callback',
            'comment',
            'normal',
            'high'
        );
    }

add_action('add_meta_boxes_comment', 'curly_core_extend_comment_meta_box');
}

if (!function_exists('curly_core_extend_comment_meta_box_callback')) {
    function curly_core_extend_comment_meta_box_callback($comment) {
        $post_types = curly_core_rating_posts_types();

if (is_array($post_types) && count($post_types) > 0) {
            foreach ($post_types as $post_type) {
                if ($comment->post_type == $post_type) {
                    wp_nonce_field('extend_comment_update', 'extend_comment_update', false);

$title = get_comment_meta($comment->comment_ID, 'mkdf_comment_title', true);
                    $title_params = array();
                    $title_params['title'] = $title;

echo curly_core_get_module_template_part('reviews', 'admin/title-field', '', $title_params);

$rating_criteria = curly_core_rating_criteria();
                    foreach ($rating_criteria as $criteria) {
                        $star_params = array();
                        $star_params['label'] = $criteria['label'];
                        $star_params['key'] = $criteria['key'];
                        $star_params['rating'] = get_comment_meta($comment->comment_ID, $criteria['key'], true);;

echo curly_core_get_module_template_part('reviews', 'admin/stars-field', '', $star_params);
                    }
                }
            }
        }
    }
}

/*
 * Function that is triggered when comment is edited
 */
if (!function_exists('curly_core_extend_comment_edit_metafields')) {
    function curly_core_extend_comment_edit_metafields($comment_id) {
        if ((!isset($_POST['extend_comment_update']) || !wp_verify_nonce($_POST['extend_comment_update'], 'extend_comment_update'))) {
            return;
        }

if ((isset($_POST['mkdf_comment_title'])) && ($_POST['mkdf_comment_title'] != '')):
            $title = wp_filter_nohtml_kses($_POST['mkdf_comment_title']);
            update_comment_meta($comment_id, 'mkdf_comment_title', $title);
        else :
            delete_comment_meta($comment_id, 'mkdf_comment_title');
        endif;

$rating_criteria = curly_core_rating_criteria();
        foreach ($rating_criteria as $criteria) {
            if ((isset($_POST[$criteria['key']])) && ($_POST[$criteria['key']] != '')):
                $rating = wp_filter_nohtml_kses($_POST[$criteria['key']]);
                update_comment_meta($comment_id, $criteria['key'], $rating);
            else :
                delete_comment_meta($comment_id, $criteria['key']);
            endif;
        }
    }

add_action('edit_comment', 'curly_core_extend_comment_edit_metafields');
}

/*
 * Function that is triggered when comment is saved
 */
if (!function_exists('curly_core_extend_comment_save_metafields')) {
    function curly_core_extend_comment_save_metafields($comment_id) {

if ((isset($_POST['mkdf_comment_title'])) && ($_POST['mkdf_comment_title'] != '')) {
            $title = wp_filter_nohtml_kses($_POST['mkdf_comment_title']);
            add_comment_meta($comment_id, 'mkdf_comment_title', $title);
        }

$rating_criteria = curly_core_rating_criteria();
        foreach ($rating_criteria as $criteria) {
            if ((isset($_POST[$criteria['key']])) && ($_POST[$criteria['key']] != '')) {
                $rating = wp_filter_nohtml_kses($_POST[$criteria['key']]);
                add_comment_meta($comment_id, $criteria['key'], $rating);
            }
        }
    }

add_action('comment_post', 'curly_core_extend_comment_save_metafields');
}

/*
 * Function that is triggered before comment is saved
 */
if (!function_exists('curly_core_extend_comment_preprocess_metafields')) {
    function curly_core_extend_comment_preprocess_metafields($commentdata) {
        $post_types = curly_core_rating_posts_types();

if (is_array($post_types) && count($post_types) > 0) {
            foreach ($post_types as $post_type) {
                if (is_singular($post_type)) {
                    $rating_criteria = curly_core_rating_criteria();
                    foreach ($rating_criteria as $criteria) {
                        if (!isset($_POST[$criteria['key']])) {
                            wp_die(esc_html__('Error: You did not add a rating. Hit the Back button on your Web browser and resubmit your comment with a rating.', 'curly-core'));
                            break;
                        }
                    }
                }
            }
        }

return $commentdata;
    }

add_filter('preprocess_comment', 'curly_core_extend_comment_preprocess_metafields');
}

/*
 * Function that through theme filter renders required fields in comment form on single post
 */
if (!function_exists('curly_core_comment_additional_fields')) {
    function curly_core_comment_additional_fields($textarea) {
        $post_types = curly_core_rating_posts_types();

if (is_array($post_types) && count($post_types) > 0) {
            foreach ($post_types as $post_type) {
                if (is_singular($post_type)) {
                    $textarea = curly_core_get_module_template_part('reviews', 'front-input/title-field');

$rating_criteria = curly_core_rating_criteria();
                    foreach ($rating_criteria as $criteria) {
                        $star_params = array();
                        $star_params['label'] = $criteria['label'];
                        $star_params['key'] = $criteria['key'];
                        $textarea .= curly_core_get_module_template_part('reviews', 'front-input/stars-field', '', $star_params);
                    }

$textarea .= curly_core_get_module_template_part('reviews', 'front-input/text-field');
                }
            }
        }

return $textarea;
    }

add_filter('curly_mkdf_comment_form_textarea_field', 'curly_core_comment_additional_fields', 10, 1);
}

/*
 * Function that through theme filter renders listed comments on single post and it's callback
 */
if (!function_exists('curly_core_override_comments_list_callback')) {
    function curly_core_override_comments_list_callback($args) {
        $post_types = curly_core_rating_posts_types();

if (is_array($post_types) && count($post_types) > 0) {
            foreach ($post_types as $post_type) {
                if (is_singular($post_type)) {
                    $args['callback'] = 'curly_core_list_reviews';
                }
            }
        }

return $args;
    }

add_filter('curly_mkdf_comments_callback', 'curly_core_override_comments_list_callback');
}

if (!function_exists('curly_core_list_reviews')) {
    function curly_core_list_reviews($comment, $args, $depth) {
        $GLOBALS['comment'] = $comment;
        global $post;

$is_pingback_comment = $comment->comment_type == 'pingback';
        $is_author_comment = $post->post_author == $comment->user_id;

$comment_class = 'mkdf-comment clearfix';

if ($is_author_comment) {
            $comment_class .= ' mkdf-post-author-comment';
        }

$params = array();
        $params['comment'] = $comment;
        $params['comment_class'] = $comment_class;
        $params['is_pingback_comment'] = $is_pingback_comment;
        $params['review_title'] = get_comment_meta($comment->comment_ID, 'mkdf_comment_title', true);
        $params['rating_criteria'] = curly_core_rating_criteria();

echo curly_core_get_module_template_part('reviews', 'front-list/item-holder', '', $params);
    }
}

/*
 * Functions for getting review details for rendering above comments list
 */
if (!function_exists('curly_core_list_review_details')) {
    function curly_core_list_review_details($template = 'simple') {
        $title = curly_core_theme_installed() ? curly_mkdf_options()->getOptionValue('reviews_section_title') : '';
        $subtitle = curly_core_theme_installed() ? curly_mkdf_options()->getOptionValue('reviews_section_subtitle') : '';

$params = array();
        $params['title'] = $title;
        $params['subtitle'] = $subtitle;
        $params['rating_number'] = curly_core_post_number_of_ratings();
        $params['rating_label'] = curly_core_post_number_of_ratings() === 1 ? esc_html__('Review', 'curly-core') : esc_html__('Reviews', 'curly-core');
        $params['post_ratings'] = curly_core_post_ratings();

return curly_core_get_module_template_part('reviews', 'front-list/details', $template, $params);
    }
}

/*
 * Functions for getting approved comments and their values for displaying info
 */
if (!function_exists('curly_core_post_ratings')) {
    function curly_core_post_ratings($id = '') {
        $id = !empty($id) ? $id : get_the_ID();
        $comment_array = get_approved_comments($id);

$rating_criteria = curly_core_rating_criteria();
        foreach ($rating_criteria as $key => $criteria) {
            $marks = array(
                '5' => 0,
                '4' => 0,
                '3' => 0,
                '2' => 0,
                '1' => 0
            );

$count = 0;
            foreach ($comment_array as $comment) {
                $rating = get_comment_meta($comment->comment_ID, $criteria['key'], true);

if ($rating != '' && $rating != 0) {
                    $marks[$rating] = $marks[$rating] + 1;
                    $count++;
                }
            }

$criteria['marks'] = $marks;
            $criteria['count'] = $count;

$rating_criteria[$key] = $criteria;
        }

return $rating_criteria;
    }
}

/*
 * Calculation functions
 */
if (!function_exists('curly_core_post_number_of_ratings')) {
    function curly_core_post_number_of_ratings($id = '') {
        $id = !empty($id) ? $id : get_the_ID();
        $comment_array = get_approved_comments($id);
        $count = !empty($comment_array) ? count($comment_array) : 0;

return $count;
    }
}

if (!function_exists('curly_core_post_average_rating')) {
    function curly_core_post_average_rating($criteria) {
        $sum = 0;
        $ratings = $criteria['marks'];
        $count = $criteria['count'];
        foreach ($ratings as $rating => $value) {
            $sum = $sum + $rating * $value;
        }

$average = $count == 0 ? 0 : round($sum / $count);

return $average;
    }
}

if (!function_exists('curly_core_post_average_rating_per_criteria')) {
    function curly_core_post_average_rating_per_criteria($criteria) {
        $average = curly_core_post_average_rating($criteria);
        $average = $average / CURLY_CORE_REVIEWS_MAX_RATING * 100;

return $average;
    }
}

if (!function_exists('curly_core_get_total_average_rating')) {
    function curly_core_get_total_average_rating($criteria_array) {
        $sum = 0;

if (is_array($criteria_array) && count($criteria_array)) {
            foreach ($criteria_array as $criteria) {
                $sum += curly_core_post_average_rating($criteria);
            }

return $sum / count($criteria_array);
        }

return $sum;
    }
}

/*
 * Formatting functions
 */
if (!function_exists('curly_core_reviews_format_rating_output')) {
    function curly_core_reviews_format_rating_output($rating) {
        return floor($rating * CURLY_CORE_REVIEWS_POINTS_SCALE) . '.' . round($rating * CURLY_CORE_REVIEWS_POINTS_SCALE * 10) % 10;
    }
}

if (!function_exists('curly_core_reviews_get_icon_list')) {
 function curly_core_reviews_get_icon_list() {
 return array(
 '',
 '',
 ''
 );
 }
}

if (!function_exists('curly_core_reviews_get_description_list')) {
    function curly_core_reviews_get_description_list() {
        return array(
            esc_html__('Poor', 'curly-core'),
            esc_html__('Good', 'curly-core'),
            esc_html__('Superb', 'curly-core')
        );
    }
}

if (!function_exists('curly_core_reviews_get_icon_for_rating')) {
    function curly_core_reviews_get_icon_for_rating($rating) {
        if (!$rating) {
            return '';
        }

$icons = curly_core_reviews_get_icon_list();
        $delta = CURLY_CORE_REVIEWS_MAX_RATING / count($icons);

return $icons[ceil($rating / $delta) - 1];
    }
}

if (!function_exists('curly_core_reviews_get_description_for_rating')) {
    function curly_core_reviews_get_description_for_rating($rating) {
        if (!$rating) {
            return '';
        }

$terms = curly_core_reviews_get_description_list();
        $delta = CURLY_CORE_REVIEWS_MAX_RATING / count($terms);

return $terms[ceil($rating / $delta) - 1];
    }
}

Name	Size	Permission
admin	---	0755
assets	---	0755
shortcodes	---	0755
templates	---	0755
load.php	134 bytes	0644
reviews-functions.php	17034 bytes	0644