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bappi-d-great/code.php

Created June 1, 2015 23:09
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Modified course_list shortcode to enable pagination in coursepress
Raw
code.php
<?php
function course_list( $atts ) {
extract( shortcode_atts( array(
'course_id' => '',
'status' => 'publish',
'instructor' => '', // Note, one or the other
'instructor_msg' => __( 'The Instructor does not have any courses assigned yet.', 'cp' ),
'student' => '', // If both student and instructor is specified only student will be used
'student_msg' => __( 'You have not yet enrolled in a course. Browse courses %s', 'cp' ),
'two_column' => 'yes',
'title_column' => 'none',
'left_class' => '',
'right_class' => '',
'course_class' => '',
'title_link' => 'yes',
'title_class' => 'course-title',
'title_tag' => 'h3',
'course_status' => 'all',
'list_wrapper_before' => 'div',
'list_wrapper_before_class' => 'course-list %s',
'list_wrapper_after' => 'div',
'show' => 'dates,enrollment_dates,class_size,cost',
'show_button' => 'yes',
'show_divider' => 'yes',
'show_media' => 'false',
'show_title' => 'yes',
'media_type' => get_option( 'listings_media_type', 'image' ), // default, image, video
'media_priority' => get_option( 'listings_media_priority', 'image' ), // image, video
'admin_links' => false,
'manage_link_title' => __( 'Manage Course', 'cp' ),
'finished_link_title' => __( 'View Course', 'cp' ),
'limit' => -1,
'order' => 'ASC',
'class' => '',
'pagination' => false
), $atts, 'course_list' ) );
if ( !empty( $course_id ) ) {
$course_id = (int) $course_id;
}
$status = sanitize_html_class( $status );
$instructor = sanitize_text_field( $instructor );
$instructor_msg = sanitize_text_field( $instructor_msg );
$student = sanitize_text_field( $student );
$student_msg = sanitize_text_field( $student_msg );
$two_column = sanitize_html_class( $two_column );
$title_column = sanitize_text_field( $title_column );
$left_class = sanitize_html_class( $left_class );
$right_class = sanitize_html_class( $right_class );
$course_class = sanitize_html_class( $course_class );
$title_link = sanitize_html_class( $title_link );
$title_class = sanitize_html_class( $title_class );
$title_tag = sanitize_html_class( $title_tag );
$course_status = sanitize_text_field( $course_status );
$list_wrapper_before = sanitize_html_class( $list_wrapper_before );
$list_wrapper_after = sanitize_html_class( $list_wrapper_after );
$show = sanitize_text_field( $show );
$show_button = sanitize_html_class( $show_button );
$show_divider = sanitize_html_class( $show_divider );
$show_title = sanitize_html_class( $show_title );
$show_media = sanitize_html_class( $show_media );
$media_type = !empty( $media_type ) ? sanitize_text_field( $media_type ) : 'image';
$media_priority = !empty( $media_priority ) ? sanitize_text_field( $media_priority ) : 'image';
$admin_links = (bool) $admin_links;
$manage_link_title = sanitize_text_field( $manage_link_title );
$finished_link_title = sanitize_text_field( $finished_link_title );
$limit = (int) $limit;
$order = sanitize_html_class( $order );
$class = sanitize_html_class( $class );
$status = 'published' == $status ? 'publish' : $status;
// student or instructor ids provided
$user_provided = false;
$user_provided = empty( $student ) ? empty( $instructor ) ? false : true : true;
$content = '';
$courses = array();
if ( !empty( $instructor ) ) {
$include_ids = array();
$instructors = explode( ',', $instructor );
if ( !empty( $instructors ) ) {
foreach ( $instructors as $ins ) {
$ins = (int) $ins;
if ( $ins ) {
$ins = new Instructor( $ins );
$course_ids = $ins->get_assigned_courses_ids( $status );
if ( $course_ids ) {
$include_ids = array_unique( array_merge( $include_ids, $course_ids ) );
}
}
}
} else {
$instructor = (int) $instructor;
if ( $instructor ) {
$instructor = new Instructor( $ins );
$course_ids = $instructor->get_assigned_courses_ids( $status );
if ( $course_ids ) {
$include_ids = array_unique( array_merge( $include_ids, $course_ids ) );
}
}
}
}
if ( !empty( $student ) ) {
$include_ids = array();
$students = explode( ',', $student );
if ( !empty( $students ) ) {
foreach ( $students as $stud ) {
$stud = (int) $stud;
if ( $stud ) {
$stud = new Student( $stud );
$course_ids = $stud->get_assigned_courses_ids( $status );
if ( $course_ids ) {
$include_ids = array_unique( array_merge( $include_ids, $course_ids ) );
}
}
}
} else {
$student = (int) $student;
if ( $student ) {
$student = new Student( $student );
$course_ids = $student->get_assigned_courses_ids( $status );
if ( $course_ids ) {
$include_ids = array_unique( array_merge( $include_ids, $course_ids ) );
}
}
}
}
$post_args = array(
'order' => $order,
'post_type' => 'course',
'meta_key' => 'enroll_type',
'post_status' => $status,
'posts_per_page' => $limit
);
if( $pagination ){
$paged = (get_query_var('paged')) ? get_query_var('paged') : 1;
$post_args['paged'] = $paged;
}
if ( !empty( $include_ids ) ) {
$post_args = wp_parse_args( array( 'include' => $include_ids ), $post_args );
}
if ( $user_provided && !empty( $include_ids ) || !$user_provided ) {
$courses = get_posts( $post_args );
}
//<div class="course-list %s">
$content .= 0 < count( $courses ) && !empty( $list_wrapper_before ) ? '<' . $list_wrapper_before . ' class=' . $list_wrapper_before_class . '>' : '';
foreach ( $courses as $course ) {
if ( !empty( $student ) && 'all' != strtolower( $course_status ) && !is_array( $student ) ) {
$completion = new Course_Completion( $course->ID );
$completion->init_student_status( $student );
$course->completed = $completion->is_course_complete();
// Skip if we wanted a completed course but got an incomplete
if ( 'completed' == strtolower( $course_status ) && !$course->completed ) {
continue;
}
// Skip if we wanted an incompleted course but got a completed
if ( 'incomplete' == strtolower( $course_status ) && $course->completed ) {
continue;
}
}
$content .= '<div class="course-list-item ' . $course_class . '">';
if ( 'yes' == $show_media ) {
$content .= do_shortcode( '[course_media course_id="' . $course->ID . '" type="' . $media_type . '" priority="' . $media_priority . '"]' );
}
if ( 'none' == $title_column ) {
$content .= do_shortcode( '[course_title course_id="' . $course->ID . '" link="' . $title_link . '" class="' . $title_class . '" title_tag="' . $title_tag . '"]' );
}
if ( 'yes' == $two_column ) {
$content .= '<div class="course-list-box-left ' . $left_class . '">';
}
if ( 'left' == $title_column ) {
$content .= do_shortcode( '[course_title course_id="' . $course->ID . '" link="' . $title_link . '" class="' . $title_class . '" title_tag="' . $title_tag . '"]' );
}
// One liner..
$content .= do_shortcode( '[course show="' . $show . '" show_title="yes" course_id="' . $course->ID . '"]' );
if ( 'yes' == $two_column ) {
$content .= '</div>';
$content .= '<div class="course-list-box-right ' . $right_class . '">';
}
if ( 'right' == $title_column ) {
$content .= do_shortcode( '[course_title course_id="' . $course->ID . '" link="' . $title_link . '" class="' . $title_class . '" title_tag="' . $title_tag . '"]' );
}
if ( 'yes' == $show_button ) {
if ( !empty( $course->completed ) ) {
$content .= do_shortcode( '[course_join_button course_id="' . $course->ID . '" continue_learning_text="' . $finished_link_title . '"]' );
} else {
$content .= do_shortcode( '[course_join_button course_id="' . $course->ID . '"]' );
}
}
if ( $admin_links ) {
$content .= '<button class="manage-course" data-link="' . admin_url( 'admin.php?page=course_details&course_id=' . $course->ID ) . '">' . $manage_link_title . '</button>';
}
// Add action links if student
if ( !empty( $student ) ) {
$content .= do_shortcode( '[course_action_links course_id="' . $course->ID . '"]' );
}
if ( 'yes' == $two_column ) {
$content .= '</div>';
}
if ( 'yes' == $show_divider ) {
$content .= '<div class="divider" ></div>';
}
$content .= '</div>'; //course-list-item
} // foreach
if ( (!$courses || 0 == count( $courses ) ) && !empty( $instructor ) ) {
$content .= $instructor_msg;
}
if ( (!$courses || 0 == count( $courses ) ) && !empty( $student ) ) {
$content .= sprintf( $student_msg, '<a href="' . trailingslashit( site_url() . '/' . CoursePress::instance()->get_course_slug() ) . '">' . __( 'here', 'cp' ) . '</a>' );
}
// </div> course-list
$content .= 0 < count( $courses ) && !empty( $list_wrapper_before ) ? '</' . $list_wrapper_after . '>' : '';
if( $pagination ){
global $wp_query;
$total_course = wp_count_posts( 'course' );
$big = 999999999; // need an unlikely integer
$content .= paginate_links( array(
'base' => str_replace( $big, '%#%', esc_url( get_pagenum_link( $big ) ) ),
'format' => '?paged=%#%',
'current' => max( 1, get_query_var('paged') ),
'total' => $total_course->publish
) );
}
return $content;
}
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