[CursePress] - Custom Dashboard page

cp-custom-dashboard-page.php

function cp_custom_dashboard_page_sc( $atts ){

	CoursePress_Core::$is_cp_page = true;
		$atts = CoursePress_Helper_Utility::sanitize_recursive(
			shortcode_atts(
				array(
					'completed_label' => __( 'Completed courses', 'cp' ),
					'context' => 'all', // <blank>, enrolled, completed
					'current_label' => __( 'Current Courses', 'cp' ),
					'dashboard' => false,
					'facilitator_label' => __( 'Facilitated Courses', 'cp' ),
					'facilitator' => '',
					'future_label' => __( 'Starting soon', 'cp' ),
					'incomplete_label' => __( 'Incomplete courses', 'cp' ),
					'instructor_msg' => __( 'The Instructor does not have any courses assigned yet.', 'cp' ),
					'instructor' => '', // Note, one or the other
					'limit' => - 1,
					'manage_label' => __( 'Manage Courses', 'cp' ),
					'order' => 'ASC',
					'orderby' => 'meta', /// possible values: meta, title
					'past_label' => __( 'Past courses', 'cp' ),
					'show_labels' => false,
					'status' => 'publish',
					'student_msg' => sprintf( __( 'You are not enrolled in any courses. <a href="%s">See available courses.</a>', 'cp' ), CoursePress_Core::get_slug( 'course/', true ) ),
					'student' => '', // If both student and instructor is specified only student will be used
					'suggested_label' => __( 'Suggested courses', 'cp' ),
					'suggested_msg' => __( 'You are not enrolled in any courses.<br />Here are a few you might like, or <a href="%s">see all available courses.</a>', 'cp' ),
					'show_withdraw_link' => false,
					'categories' => '',
				),
				$atts,
				'course_page'
			)
		);

		$instructor_list = false;
		$student_list = false;
		$atts['dashboard'] = cp_is_true( $atts['dashboard'] );
		$courses = array();
		$content = '';
		$student = 0;
		$include_ids = array();

		/**
		 * Sanitize show_withdraw_link
		 */
		if ( empty( $atts['student'] ) || 'incomplete' != $atts['status'] ) {
			$atts['show_withdraw_link'] = false;
		}

		if ( ! empty( $atts['instructor'] ) ) {
			$include_ids = array();
			$instructors = explode( ',', $atts['instructor'] );
			if ( ! empty( $instructors ) ) {
				foreach ( $instructors as $ins ) {
					$ins = (int) $ins;
					if ( $ins ) {
						$course_ids = CoursePress_Data_Instructor::get_assigned_courses_ids( $ins, $atts['status'] );
						if ( $course_ids ) {
							$include_ids = array_unique( array_merge( $include_ids, $course_ids ) );
						}
					}
				}
			} else {
				$instructor = (int) $atts['instructor'];
				if ( $instructor ) {
					$course_ids = CoursePress_Data_Instructor::get_assigned_courses_ids( $instructor, $atts['status'] );
					if ( $course_ids ) {
						$include_ids = array_unique( array_merge( $include_ids, $course_ids ) );
					}
				}
			}
			$instructor_list = true;
			if ( empty( $include_ids ) ) { return ''; }
		}

		if ( ! empty( $atts['facilitator'] ) ) {
			$facilitator = $atts['facilitator'];
			$atts['context'] = 'facilitator';
			$include_ids = CoursePress_Data_Facilitator::get_facilitated_courses( $facilitator, 'publish', true );

			if ( empty( $include_ids ) ) {
				return '';
			}
		}

		if ( ! empty( $atts['student'] ) ) {
			$include_ids = array();
			$students = explode( ',', $atts['student'] );
			foreach ( $students as $student ) {
				$student = (int) $student;
				if ( $student ) {
					$courses_ids = array();
					$courses_to_add = CoursePress_Data_Student::get_enrolled_courses_ids( $student );
					if ( isset( $atts['status'] ) ) {
						foreach ( $courses_to_add as $course_id ) {
							$status = get_post_status( $course_id );
							if ( 'publish' != $status ) {
								continue;
							}
							$add = true;
							if ( 'publish' != $atts['status'] ) {
								$status = CoursePress_Data_Student::get_course_status( $course_id, $student, false );
								if ( 'completed' == $atts['status'] ) {
									$add = false;
									if ( 'certified' == $status ) {
										$add = true;
									}
								} else {
									if ( 'certified' == $status ) {
										$add = false;
									}
								}
							}
							if ( $add ) {
								$courses_ids[] = $course_id;
							}
						}
					} else {
						$courses_ids = $courses_to_add;
					}
					if ( $courses_ids ) {
						$include_ids = array_unique( array_merge( $include_ids, $courses_ids ) );
					}
				}
			}
			$student_list = true;
		}

		$post_args = array(
			'order' => $atts['order'],
			'post_type' => CoursePress_Data_Course::get_post_type_name(),
			'post_status' => $atts['status'],
			'posts_per_page' => (int) $atts['limit'],
			'suppress_filters' => true,
			'meta_key' => 'cp_course_start_date',
			'orderby' => 'meta_value_num',
		);

		/**
		 * categories
		 */
		if ( ! empty( $atts['categories'] ) ) {
			$post_args['tax_query'] = array(
				array(
					'taxonomy' => CoursePress_Data_Course::get_post_category_name(),
					'field' => 'slug',
					'terms' => preg_split( '/[, ]+/', $atts['categories'] ),
				),
			);
		}

		$test_empty_courses_ids = false;

		switch ( $atts['context'] ) {
			case 'enrolled':
				$test_empty_courses_ids = true;
				$user_id = get_current_user_id();
				$include_ids = CoursePress_Data_Student::get_enrolled_courses_ids( $user_id );
			break;
			case 'incomplete':
				$test_empty_courses_ids = true;
				$user_id = get_current_user_id();
				$ids = CoursePress_Data_Student::get_enrolled_courses_ids( $user_id );
				foreach ( $ids as $course_id ) {
					$status = CoursePress_Data_Student::get_course_status( $course_id, $user_id, false );
					if ( 'certified' != $status ) {
						$include_ids[] = $course_id;
					}
				}
			break;
			case 'completed':
				$test_empty_courses_ids = true;
				$user_id = get_current_user_id();
				$ids = CoursePress_Data_Student::get_enrolled_courses_ids( $user_id );
				foreach ( $ids as $course_id ) {
					$status = CoursePress_Data_Student::get_course_status( $course_id, $user_id, false );
					if ( 'certified' == $status ) {
						$include_ids[] = $course_id;
					}
				}
			break;
			case 'future':
				unset( $post_args['meta_key'] );
				$post_args['meta_query'] = array(
				array(
					'key' => 'cp_course_start_date',
					'value' => time(),
					'type' => 'NUMERIC',
					'compare' => '>',
				),
				);
			break;
			case 'past':
				unset( $post_args['meta_key'] );
				$post_args['meta_query'] = array(
				'relation' => 'AND',
				array(
					'key' => 'cp_course_end_date',
					'compare' => 'EXISTS',
				),
				array(
					'key' => 'cp_course_end_date',
					'value' => 0,
					'type' => 'NUMERIC',
					'compare' => '>',
				),
				array(
					'key' => 'cp_course_end_date',
					'value' => time(),
					'type' => 'NUMERIC',
					'compare' => '<',
				),
				);
			break;
			case 'manage':
				$user_id = get_current_user_id();
				$test_empty_courses_ids = true;
				if ( CoursePress_Data_Capabilities::can_manage_courses( $user_id ) ) {
					$local_args = array(
					'post_type' => CoursePress_Data_Course::get_post_type_name(),
					'nopaging' => true,
					'fields' => 'ids',
					);
					$include_ids = get_posts( $local_args );
				} else {
					$include_ids = CoursePress_Data_Instructor::get_assigned_courses_ids( $user_id );
					if ( empty( $include_ids ) ) {
						$include_ids = CoursePress_Data_Facilitator::get_facilitated_courses( $user_id, array( 'all' ), true, 0, -1 );
					}
				}
			break;
			case 'all':
				$atts['orderby'] = strtolower( $atts['orderby'] );
				switch ( $atts['orderby'] ) {
					case 'title':
					case 'post_title':
						$post_args['orderby'] = 'title';
					break;
					default:
						$post_args['orderby'] = 'meta_value_num';
					break;
				}
				break;
		}

		if ( $test_empty_courses_ids && empty( $include_ids ) ) {
			/**
			 * do nothing if we have empty list
			 */
			$courses = array();
		} else if ( ( ( $student_list || $instructor_list ) && ! empty( $include_ids ) ) || ( ! $student_list && ! $instructor_list ) ) {

			if ( ! empty( $include_ids ) ) {

				$post_args = wp_parse_args( array( 'post__in' => $include_ids ), $post_args );
			}
			$courses = get_posts( $post_args );
		}

		$counter = 0;

		if ( ! $atts['dashboard'] ) {

			foreach ( $courses as $course ) {
				$shortcode_attributes  = array(
					'course_id' => $course->ID,
					'show_withdraw_link' => $atts['show_withdraw_link'],
				);

				$shortcode_attributes = CoursePress_Helper_Utility::convert_array_to_params( $shortcode_attributes );
				$content .= do_shortcode( '[course_list_box ' . $shortcode_attributes . ']' );
				$counter += 1;
			}
		} else {
			if ( $student_list ) {
				$my_courses = CoursePress_Data_Student::my_courses( $student, $courses );
				$context = $atts['context'];

				if ( isset( $my_courses[ $context ] ) ) {
					$courses = $my_courses[ $context ];
				}
				$courses = array_filter( $courses );

				if ( empty( $courses ) ) {
					if ( $atts['dashboard'] ) {
						$content .= sprintf( '<p class="message">%s</p>', esc_html__( 'You are not enrolled to any course.', 'cp' ) );
					}
				} else {
					$counter += count( $courses );
					$content .= CoursePress_Template_Course::course_list_table( $courses );
				}
			} else {
				foreach ( $courses as $course ) {
					$course_url = get_edit_post_link( $course->ID );
					$content .= do_shortcode( '[course_list_box course_id="' . $course->ID . '" override_button_text="' . esc_attr__( 'Manage Course', 'cp' ) . '" override_button_link="' . esc_url( $course_url ) . '"]' );
					$counter += 1;
				}
			}
		}

		$context = $atts['dashboard'] && $instructor_list ? 'manage' : $atts['context'];

		if ( ( $atts['dashboard'] && ! empty( $counter ) ) || ! empty( $atts['show_labels'] ) ) {
			$label = '';
			$show_empty = false;

			switch ( $context ) {
				case 'enrolled':
				case 'current':
				case 'all':
					$label = $atts['current_label'];
					if ( 0 == $counter ) {
						$show_empty = true;
						$content = sprintf(
							'<p class="message">%s</p>',
							sprintf(
								$atts['student_msg'],
								esc_attr( '/'.CoursePress_Core::get_setting( 'slugs/course', 'courses' ) )
							)
						);
					}
				break;

				case 'future':
					$label = $atts['future_label'];
				break;

				case 'incomplete':
					$label = $atts['incomplete_label'];
				break;

				case 'completed':
					$label = $atts['completed_label'];
				break;

				case 'past':
					$label = $atts['past_label'];
				break;

				case 'manage':
					$label = $atts['manage_label'];
				break;

				case 'facilitator':
					$label = $atts['facilitator_label'];
				break;
			}

			if ( $counter || ( 0 === $counter && $show_empty ) ) {
				$content = '<div class="dashboard-course-list ' . esc_attr( $context ) . '">' .
					'<h3 class="section-title">' . esc_html( $label ) . '</h3>' .
					$content .
					'</div>';
			}
		} elseif ( $atts['dashboard'] && 'enrolled' === $context ) {

			$label = $atts['suggested_label'];
			$message = sprintf( $atts['suggested_msg'], esc_url( CoursePress_Core::get_slug( 'courses', true ) ) );

			$content = '<div class="dashboard-course-list suggested">' .
						'<h3 class="section-title">' . esc_html( $label ) . '</h3>' .
						'<p>' . $message . '</p>' .
						do_shortcode( '[course_random featured_title="" media_type="image" media_priority="image"]' ) .
						'</div>';

		}

		return $content;

}

function cp_custom_dashboard_page(  $template, $user_id, $a  ){

	$template = '<div class="coursepress-dashboard-wrapper">
			[course_list instructor="%1$s" dashboard="true"]
			[course_list facilitator="%1$s" dashboard="true"]
			[cp_custom_dashboard_page student="%1$s" dashboard="true" current_label="%2$s" show_labels="true" orderby="post_title"]
		</div>';

	return sprintf( $template, $user_id, __( 'Enrolled Courses', 'cp' ) );
}

add_shortcode( 'cp_custom_dashboard_page', 'cp_custom_dashboard_page_sc' );

add_filter( 'coursepress_template_dashboard_page', 'cp_custom_dashboard_page', 10, 3 );