includes/admin/reporting/widgets/class.llms.analytics.widget.lessoncompletions.php
<?php
/**
* Lesson Completions analytics widget
*
* @package LifterLMS/Admin/Reporting/Widgets/Classes
*
* @since 3.5.0
* @version 3.5.3
*/
defined( 'ABSPATH' ) || exit;
/**
* LLMS_Analytics_Lessoncompletions_Widget class
*
* @since 3.5.0
* @since 3.5.3 Unknown.
*/
class LLMS_Analytics_Lessoncompletions_Widget extends LLMS_Analytics_Widget {
public $charts = true;
protected function get_chart_data() {
return array(
'type' => 'count', // Type of field.
'header' => array(
'id' => 'lessoncompletions',
'label' => __( '# of Lessons Completed', 'lifterlms' ),
'type' => 'number',
),
);
}
/**
* Retrieve an array of lesson ids for all the products in the current filter
*
* @param array $products array of product ids
* @return array
* @since 3.5.0
* @version 3.5.0
*/
private function get_lesson_ids( $products ) {
$lessons = array();
// Loop through all products.
foreach ( $products as $product ) {
// Ignore the memberships.
if ( 'llms_membership' === get_post_type( $product ) ) {
continue;
}
// Get the course.
$course = llms_get_post( $product );
$lessons = array_merge( $course->get_lessons( 'ids' ) );
}
return $lessons;
}
public function set_query() {
global $wpdb;
$dates = $this->get_posted_dates();
$student_ids = '';
$students = $this->get_posted_students();
if ( $students ) {
$student_ids .= 'AND user_id IN ( ' . implode( ', ', $students ) . ' )';
}
$lesson_ids = '';
$products = $this->get_posted_posts();
if ( $products ) {
$lesson_ids .= 'AND post_id IN ( ' . implode( ', ', $this->get_lesson_ids( $products ) ) . ' )';
}
$this->query_function = 'get_results';
$this->output_type = OBJECT;
$this->query = "SELECT updated_date AS date
FROM {$wpdb->prefix}lifterlms_user_postmeta AS upm
JOIN {$wpdb->posts} AS p ON p.ID = upm.post_id
WHERE
upm.meta_key = '_is_complete'
AND p.post_type = 'lesson'
AND upm.meta_value = 'yes'
AND upm.updated_date BETWEEN CAST( %s AS DATETIME ) AND CAST( %s AS DATETIME )
{$student_ids}
{$lesson_ids}
;";
$this->query_vars = array(
$this->format_date( $dates['start'], 'start' ),
$this->format_date( $dates['end'], 'end' ),
);
}
protected function format_response() {
if ( ! $this->is_error() ) {
return count( $this->get_results() );
}
}
}