Ajax

Source

File: classes/Ajax.php

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class Ajax {
 
    public function __construct() {
        //Saving option
        add_action( 'wp_ajax_dozent_option_save', [ $this, 'dozent_option_save' ] );
        //Search Instructor
        add_action( 'wp_ajax_dozent_search_instructor', [ $this, 'dozent_search_instructor' ] );
        //Add Instructor
        add_action( 'wp_ajax_dozent_add_instructors', [ $this, 'dozent_add_instructors' ] );
        //Detach an instructor
        add_action( 'wp_ajax_dozent_detach_instructor', [ $this, 'dozent_detach_instructor' ] );
 
        //Create or Update Review
        add_action( 'wp_ajax_dozent_save_review', [ $this, 'dozent_save_review' ] );
 
        add_action( 'wp_ajax_dozent_load_more_reviews', [ $this, 'dozent_load_more_reviews' ] );
        add_action( 'wp_ajax_nopriv_dozent_load_more_reviews', [ $this, 'dozent_load_more_reviews' ] );
 
        add_action( 'wp_ajax_dozent_search_reviews', [ $this, 'dozent_search_reviews' ] );
        add_action( 'wp_ajax_nopriv_dozent_search_reviews', [ $this, 'dozent_search_reviews' ] );
 
        //Update review from dashboard
        add_action( 'wp_ajax_open_review_update_modal', [ $this, 'open_review_update_modal' ] );
 
    }
 
    public function dozent_option_save() {
        dozent_checking_nonce();
 
        do_action( 'dozent_option_save_before' );
 
        $option = (array) dozent_input_array_field( 'dozent_option' );
        $option = apply_filters( 'dozent_option_input', $option );
        update_option( 'dozent_options', $option );
 
        do_action( 'dozent_option_save_after' );
 
        wp_send_json_success( [ 'msg' => __( 'Dozent options has been saved', 'dozent' ) ] );
    }
 
    public function dozent_search_instructor() {
        $search_term = dozent_input_text( 'search_term' );
        $course_id   = dozent_input_text( 'course_id' );
 
        $course = get_post( $course_id );
 
        $search_args = [
            'search_term' => $search_term,
            'start'       => 0,
            'per_page'    => "-1",
        ];
 
        $attached_instructors_ids = dozent_get_attached_instructors_ids( $course );
 
        $not_in_ids = [];
        if ( ! empty( $course->post_author ) ) {
            $not_in_ids[] = $course->post_author;
        }
 
        if ( dozent_count( $attached_instructors_ids ) ) {
            $not_in_ids = array_merge( $not_in_ids, $attached_instructors_ids );
        }
 
        if ( dozent_count( $not_in_ids ) ) {
            $search_args['not_in_ids'] = $not_in_ids;
        }
 
        $instructors = dozent_get_instructors( $search_args );
 
        ob_start();
        include_once DOZENT_ABSPATH . '/views/metabox/part/instructors-search-results.php';
        $html = ob_get_clean();
 
        wp_send_json_success( [ 'html' => $html ] );
    }
 
    public function dozent_add_instructors() {
 
        $course_id      = dozent_input_text( 'course_id' );
        $instructor_ids = dozent_input_array_field( 'instructors' );
 
        do_action( 'dozent_add_instructors_before', $instructor_ids, $course_id );
 
        if ( dozent_count( $instructor_ids ) ) {
            foreach ( $instructor_ids as $instructor_id ) {
                dozent_instructor_attach_course( $course_id, $instructor_id );
            }
        }
 
        do_action( 'dozent_add_instructors_after', $instructor_ids, $course_id );
 
        ob_start();
        include_once DOZENT_ABSPATH . 'views/metabox/part/instructors-list.php';
        $instructors_list = ob_get_clean();
 
        wp_send_json_success( [
            'message'               => dozent_notice( __( 'Instructor has been added', 'dozent' ), 'success', false ),
            'instructors_list_html' => $instructors_list,
        ] );
    }
 
    /**
     * Detach an instructor from a course.
     *
     * @since DozentLMS 1.0.0
     */
 
    public function dozent_detach_instructor() {
        $course_id     = (int) dozent_input_text( 'course_id' );
        $instructor_id = (int) dozent_input_text( 'instructor_id' );
 
        dozent_instructor_detach_course( $course_id, $instructor_id );
 
        wp_send_json_success();
    }
 
    public function dozent_save_review() {
        global $wpdb;
 
        $course_id    = (int) dozent_input_text( 'course_id' );
        $rating_value = (int) dozent_input_text( 'rating_value' );
        $review       = dozent_input_textarea( 'review' );
        $user_id      = get_current_user_id();
 
        $hasReview
            = (int) $wpdb->get_var( "SELECT ID FROM {$wpdb->dozent_reviews} WHERE user_id = {$user_id} AND course_id = {$course_id} " );
 
        if ( $hasReview ) {
            //Update review
 
            $data = apply_filters( 'dozent/course_review/update_data', [
                'review'     => $review,
                'rating'     => $rating_value,
                'updated_at' => dozent_mysql_time(),
            ] );
 
            do_action( 'dozent/course_review/update/before', $data );
 
            $wpdb->update( $wpdb->dozent_reviews, $data, [ 'ID' => $hasReview ] );
 
            do_action( 'dozent/course_review/update/after', $data );
 
        } else {
            //Create review
 
            $data = apply_filters( 'dozent/course_review/create_data', [
                'user_id'    => $user_id,
                'course_id'  => $course_id,
                'review_id'  => 0,
                'review'     => $review,
                'rating'     => $rating_value,
                'status'     => 1,
                'created_at' => dozent_mysql_time(),
                'updated_at' => dozent_mysql_time(),
            ] );
 
            do_action( 'dozent/course_review/create/before', $data );
 
            $wpdb->insert( $wpdb->dozent_reviews, $data );
 
            do_action( 'dozent/course_review/create/after', $data );
 
        }
 
        //Sync Rating with course meta.
        _dozent_get_course_ratings_and_sync( $course_id );
 
        wp_send_json_success( [ 'msg' => __( 'Review has been saved', 'dozent' ) ] );
    }
 
    /**
     * Load more reviews
     *
     * Ajax pagination of the reviews which comes from the course details page.
     *
     *
     * @since DozentLMS 1.0.0
     *
     */
 
    public function dozent_load_more_reviews() {
 
        $course_id = dozent_input_text( 'course_id' );
        $per_page  = dozent_input_text( 'per_page' );
        $page      = max( 1, dozent_input_text( 'page' ) );
        $start     = ( $page - 1 ) * $per_page;
 
        //search term
        $review_s        = dozent_input_text( 'review_s' );
        $review_s_rating = (int) dozent_input_text( 'review_s_rating' );
 
        $search_args = [ 'course_id' => $course_id, 'start' => $start, 'per_page' => $per_page ];
 
        //search term
        if ( $review_s ) {
            $search_args['s'] = $review_s;
        }
 
        //Filter by rating
        if ( $review_s_rating ) {
            $search_args['rating'] = $review_s_rating;
        }
 
        $reviews = dozent_get_course_reviews( $search_args );
 
        $review_html = '';
        if ( $reviews->count ) {
            foreach ( $reviews->results as $review ) {
                $review_html .= dozent_individual_review_render( $review, false );
            }
        }
 
        wp_send_json_success( [ 'html' => $review_html ] );
    }
 
 
    public function dozent_search_reviews() {
 
        $config    = json_decode( wp_unslash( dozent_input_textarea( 'config' ) ), true );
        $course_ID = (int) dozent_array_get( 'course_id', $config );
        $per_page  = (int) dozent_array_get( 'per_page', $config );
 
        $review_s        = dozent_input_text( 'review_s' );
        $review_s_rating = (int) dozent_input_text( 'review_s_rating' );
 
        if ( ! $course_ID ) {
            wp_send_json_error();
        }
 
        $search_args = [ 'course_id' => $course_ID, 'per_page' => $per_page ];
 
        //search term
        if ( $review_s ) {
            $search_args['s'] = $review_s;
        }
 
        //Filter by rating
        if ( $review_s_rating ) {
            $search_args['rating'] = $review_s_rating;
        }
 
        $reviews_html = dozent_reviews_render( $search_args, false );
 
        wp_send_json_success( [ 'html' => $reviews_html ] );
    }
 
    /**
     * Opening update modal from the dashboard
     *
     *
     * @since DozentLMS 1.0.0
     *
     * @see open_review_update_modal();
     *
     */
 
    public function open_review_update_modal() {
        $review_id = dozent_input_text( 'review_id' );
        $review    = dozent_get_review( $review_id );
 
        if ( ! $review ) {
            wp_send_json_error();
        }
 
        ob_start();
 
        ?>
 
        <div class="modal-content">
            <div class="modal-header dozent-mb-2">
                <h5 class="modal-title">
                    <i class="dicon-graduation-cap"></i>
                    <?php echo $review->course_title; ?>
                </h5>
 
                <a href="javascript:;" class="dozent-modal-close" data-dismiss="dozent-modal"> <i
                            class="dicon-close"></i> </a>
            </div>
 
            <form action="" class="dozent-modal-review-form" method="post">
                <div class="modal-body">
                    <div id="review-writing-box" class="course-review-write-box-wrap">
                        <input type="hidden" name="course_id" value="<?php echo $review->course_id; ?>">
 
                        <?php dozent_rating_field( $review->rating ); ?>
 
                        <div class="form-group">
                            <textarea name="review" class="form-control" rows="4"><?php echo $review ? $review->review
                                    : ''; ?></textarea>
                        </div>
                    </div>
                </div>
                <div class="review-modal-footer">
                    <p class="review-modal-nofity-text">
                        <i class="dicon-earth"></i>
                        <?php _e( 'Your review will be posted publicly. Under', 'dozent' ); ?>
                        <strong> <?php echo $review->user_display_name; ?> </strong>
                    </p>
 
                    <button type="submit" class="dozent-btn dozent-btn-primary">
                        <i class="dicon-comment"></i> <?php _e( 'Update review', 'dozent' ); ?>
                    </button>
                    <button type="button" class="dozent-btn dozent-btn-light" data-dismiss="dozent-modal">
                        <?php _e( 'Cancel', 'dozent' ); ?>
                    </button>
                </div>
            </form>
        </div>
 
        <?php
        $html = ob_get_clean();
 
        wp_send_json_success( [ 'html' => $html ] );
    }
 
 
}

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