%PDF-
%PDF-
Mini Shell
Mini Shell
<?php
/**
* LearnPress Course Review Functions
*
* Define common functions for both front-end and back-end
*
* @author ThimPress
* @package LearnPress/Course-Review/Functions
* @version 3.0.1
*/
// Prevent loading this file directly
defined( 'ABSPATH' ) || exit;
/**
* @param int $course_id
* @param int $paged
* @param int $per_page
* @param boolean $force
*
* @return mixed
*/
function learn_press_get_course_review( $course_id, $paged = 1, $per_page = LP_ADDON_COURSE_REVIEW_PER_PAGE, $force = false ) {
$key = 'course-' . md5( serialize( array( $course_id, $paged, $per_page ) ) );
if ( false === ( $results = wp_cache_get( $key, 'lp-course-review' ) ) || $force ) {
global $wpdb;
$per_page = absint( apply_filters( 'learn_press_course_reviews_per_page', $per_page ) );
$paged = absint( $paged );
if ( $per_page == 0 ) {
$per_page = 9999999;
}
if ( $paged == 0 ) {
$paged = 1;
}
$start = ( $paged - 1 ) * $per_page;
$start = max( $start, 0 );
$per_page = max( $per_page, 1 );
$results = array(
'reviews' => array(),
'paged' => $paged,
'total' => 0,
'per_page' => $per_page
);
$query = $wpdb->prepare( "
SELECT SQL_CALC_FOUND_ROWS u.*, c.comment_ID as comment_id, cm1.meta_value as title, c.comment_content as content, cm2.meta_value as rate
FROM {$wpdb->posts} p
INNER JOIN {$wpdb->comments} c ON p.ID = c.comment_post_ID
INNER JOIN {$wpdb->users} u ON u.ID = c.user_id
INNER JOIN {$wpdb->commentmeta} cm1 ON cm1.comment_id = c.comment_ID AND cm1.meta_key = %s
INNER JOIN {$wpdb->commentmeta} cm2 ON cm2.comment_id = c.comment_ID AND cm2.meta_key = %s
WHERE p.ID = %d AND c.comment_type = %s AND c.comment_approved = %d
ORDER BY c.comment_date DESC
LIMIT %d, %d
", '_lpr_review_title', '_lpr_rating', $course_id, 'review', 1, $start, $per_page );
$course_review = $wpdb->get_results( $query );
if ( $course_review ) {
$ratings = _learn_press_get_ratings( $course_id );
$results['reviews'] = $course_review;
$results['total'] = $ratings[ $course_id ]['total'];
if ( $results['total'] <= $start + $per_page ) {
$results['finish'] = true;
}
}
wp_cache_set( $key, $results, 'lp-course-review' );
}
return $results;
}
function _learn_press_get_ratings( $course_id ) {
static $course_rates = array();
if ( ! is_array( $course_id ) ) {
$ids = array( $course_id );
} else {
$ids = $course_id;
}
foreach ( $ids as $cid ) {
if ( ! isset( $course_rates[ $cid ] ) ) {
$course_rates[ $cid ] = leanr_press_get_ratings_result( $cid );
}
}
return $course_rates;
}
/**
* @param $course_id
* @param $field
*
* @return mixed
*/
function learn_press_get_course_rate( $course_id, $field = 'rated' ) {
$ratings = _learn_press_get_ratings( $course_id );
$rate = ( $field && array_key_exists( $field, $ratings[ $course_id ] ) ) ? $ratings[ $course_id ][ $field ] : $ratings[ $course_id ];
return apply_filters( 'learn_press_get_course_rate', $rate );
}
function learn_press_get_course_rate_total( $course_id, $field = 'total' ) {
/*global $wpdb;
$query = $wpdb->prepare( "
SELECT COUNT(*)
FROM {$wpdb->posts} p
INNER JOIN {$wpdb->comments} c ON p.ID = c.comment_post_ID
INNER JOIN {$wpdb->users} u ON u.ID = c.user_id
INNER JOIN {$wpdb->commentmeta} cm1 ON cm1.comment_id = c.comment_ID AND cm1.meta_key=%s
INNER JOIN {$wpdb->commentmeta} cm2 ON cm2.comment_id = c.comment_ID AND cm2.meta_key=%s
WHERE p.ID=%d AND c.comment_type=%s and c.comment_approved = %d
ORDER BY c.comment_date DESC",
'_lpr_review_title', '_lpr_rating', $course_id, 'review', 1
);
$total = $wpdb->get_var( $query );*/
$ratings = _learn_press_get_ratings( $course_id );
$total = array_key_exists( $field, $ratings[ $course_id ] ) ? $ratings[ $course_id ][ $field ] : $ratings;
return apply_filters( 'learn_press_get_course_rate_total', $total );
}
/**
* @param $course_id
* @param $user_id
*
* @return string
*/
function learn_press_get_user_review_title( $course_id, $user_id ) {
$course_review = get_post_meta( $course_id, '_lpr_course_review', true );
if ( $course_review && array_key_exists( $user_id, $course_review['review_title'] ) ) {
return apply_filters( 'learn_press_get_user_review', $course_review['review_title'][ $user_id ] );
}
return false;
}
/**
* Get the rating user has posted for a course.
*
* @param int $course_id
* @param int $user_id
*
* @return mixed
*/
function learn_press_get_user_rate( $course_id = null, $user_id = null ) {
if ( ! $user_id ) {
$user_id = get_current_user_id();
}
if ( ! $course_id ) {
$course_id = get_the_ID();
}
// Get in cache if it is already get
if ( false === ( $comment = wp_cache_get( 'user-' . $user_id . '/' . $course_id, 'lp-user-rate' ) ) ) {
global $wpdb;
$query = $wpdb->prepare( "
SELECT *
FROM {$wpdb->posts} p
INNER JOIN {$wpdb->comments} c ON c.comment_post_ID = p.ID
WHERE c.comment_post_ID = %d
AND c.user_id = %d
AND c.comment_type = %s
", $course_id, $user_id, 'review' );
$comment = $wpdb->get_row( $query );
if ( $comment ) {
$comment->comment_title = get_comment_meta( $comment->comment_ID, '_lpr_review_title', true );
$comment->rating = get_comment_meta( $comment->comment_ID, '_lpr_rating', true );
}
wp_cache_set( 'user-' . $user_id . '/' . $course_id, $comment, 'lp-user-rate' );
}
return $comment;
}
/**
* Add new review for a course
*
* @param array
*
* @return int
*/
function learn_press_add_course_review( $args = array() ) {
$args = wp_parse_args(
$args,
array(
'title' => '',
'content' => '',
'rate' => '',
'user_id' => 0,
'course_id' => 0
)
);
$user_id = $args['user_id'];
$course_id = $args['course_id'];
$user_review = learn_press_get_user_rate( $course_id, $user_id );
$comment_id = 0;
if ( ! $user_review ) {
$user = get_user_by( 'id', $user_id );
$comment_id = wp_new_comment(
array(
'comment_post_ID' => $course_id,
'comment_author' => $user->display_name,
'comment_author_email' => $user->user_email,
'comment_author_url' => '',
'comment_content' => $args['content'],
'comment_parent' => 0,
'user_id' => $user->ID,
'comment_approved' => 1,
'comment_type' => 'review' // let filter to not display it as comments
)
);
}
if ( $comment_id ) {
add_comment_meta( $comment_id, '_lpr_rating', $args['rate'] );
add_comment_meta( $comment_id, '_lpr_review_title', $args['title'] );
}
return $comment_id;
}
function learn_press_course_review_template( $name, $args = null ) {
learn_press_get_template( $name, $args, learn_press_template_path() . '/addons/course-review/', LP_ADDON_COURSE_REVIEW_TMPL );
}
/*
* If we are viewing archive course page, so load all ratings of courses
* into cache to reduce queries and time rather than load separate course
* in loop
*/
add_filter( 'the_posts', 'learn_press_init_courses_review' );
function learn_press_init_courses_review( $posts ) {
if ( $posts ) {
$pIds = array();
foreach ( $posts as $p ) {
$pIds[] = $p->ID;
}
_learn_press_get_ratings( $pIds );
}
return $posts;
}
/**
* Get rating for a course
*
* @param int $course_id
* @param bool $get_items
*
* @return array
*/
function leanr_press_get_ratings_result( $course_id = 0, $get_items = false ) {
//return learn_press_get_ratings_result_bak($course_id);
if ( false === ( $result = wp_cache_get( 'course-' . $course_id, 'lp-course-ratings' ) ) ) {
global $wpdb;
$query = $wpdb->prepare( "
SELECT
cm.meta_value `rate`, COUNT(1) `count`
FROM
{$wpdb->comments} c
INNER JOIN
{$wpdb->commentmeta} cm ON c.comment_ID = cm.comment_id AND meta_key = %s
WHERE
c.comment_approved = 1
AND c.comment_type = %s
AND c.user_id > 0
AND c.comment_post_ID = %d
GROUP BY `cm`.`meta_value`
", '_lpr_rating', 'review', $course_id );
$rows = $wpdb->get_results( $query/*, OBJECT_K */ );
$count = 0;
$rate = 0;
$avg = 0;
$items = array();
for ( $i = 5; $i > 0; $i -- ) {
$items[ $i ] = array(
'rated' => $i,
'total' => 0,
'percent' => 0
);
}
if ( $rows ) {
$count = wp_list_pluck( $rows, 'count' );
$count = array_sum( $count );
$round = array();
$one_hundred = 0;
foreach ( $rows as $row ) {
$rate += $row->rate * $row->count;
$percent = $row->count / $count * 100;
$items[ $row->rate ] = array(
'rated' => $row->rate,
'total' => $row->count,
'percent' => floor( $percent ),
'percent_float' => $percent
);
$one_hundred += $items[ $row->rate ]['percent'];
$round[ $row->rate ] = $percent - floor( $percent );
}
if ( $one_hundred < 100 ) {
arsort( $round );
foreach ( $round as $key => $value ) {
$percent = $items[ $key ]['percent'];
$items[ $key ]['percent'] = ceil( $items[ $key ]['percent_float'] );
if ( $percent < $items[ $key ]['percent'] ) {
$one_hundred ++;
if ( $one_hundred == 100 ) {
break;
}
}
}
}
$avg = $rate / $count;
}
$result = array(
'course_id' => $course_id,
'total' => $count,
'rated' => $avg,
'items' => $items
);
wp_cache_set( 'course-' . $course_id, $result, 'lp-course-ratings' );
}
return $result;
}
function learn_press_get_ratings_result_bak( $course_id = 0, $get_items = false ) {
if ( false === ( $result = wp_cache_get( 'course-' . $course_id, 'lp-course-ratings' ) ) ) {
LP_Debug::timeStart( 'xxxxx' );
global $wpdb;
$query = $wpdb->prepare( "
SELECT
COUNT(*) `count` ,AVG(cm.meta_value) `avg`
FROM
{$wpdb->comments} c
INNER JOIN
{$wpdb->commentmeta} cm ON c.comment_ID = cm.comment_id AND meta_key = %s
WHERE
c.comment_approved = 1
AND c.comment_type = %s
AND c.user_id > 0
AND c.comment_post_ID = %d
", '_lpr_rating', 'review', $course_id );
$row = $wpdb->get_row( $query );
$count = 0;
$avg = 0;
if ( $row ) {
$count = $row->count;
$avg = $row->avg;
}
$rows = array();
if ( $count != 0 ):
$query = $wpdb->prepare( "
SELECT
cm.meta_value `rate`, COUNT(*) `count`
FROM
{$wpdb->comments} c
INNER JOIN
{$wpdb->commentmeta} cm ON c.comment_ID = cm.comment_id AND meta_key = %s
WHERE
c.comment_approved = 1
AND c.comment_type = %s
AND c.user_id > 0
AND c.comment_post_ID = %d
GROUP BY `cm`.`meta_value`
ORDER BY `cm`.`meta_value` DESC
", '_lpr_rating', 'review', $course_id );
$rows = $wpdb->get_results( $query, OBJECT_K );
endif;
$items = array();
for ( $i = 5; $i > 0; $i -- ) {
if ( isset( $rows[ $i ] ) ) {
$items[] = array(
'rated' => $rows[ $i ]->rate,
'total' => $rows[ $i ]->count,
'percent' => $rows[ $i ]->count / $count * 100
);
} else {
$items[] = array(
'rated' => $i,
'total' => 0,
'percent' => 0
);
}
}
$result = array(
'course_id' => $course_id,
'total' => $count,
'rated' => $avg,
'items' => $items
);
LP_Debug::timeEnd( 'xxxxx' );
learn_press_debug( $result );
wp_cache_set( 'course-' . $course_id, $result, 'lp-course-ratings' );
}
return $result;
}
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