LLMS_Analytics_Revenue_Widget::set_query()

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File: includes/admin/reporting/widgets/class.llms.analytics.widget.revenue.php

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public function set_query() {
 
    global $wpdb;
 
    $txn_meta_join  = '';
    $txn_meta_where = '';
    // Create an "IN" clause that can be used for later in WHERE clauses.
    if ( $this->get_posted_students() || $this->get_posted_posts() ) {
 
        // Get an array of order based on posted students & products.
        $this->set_order_data_query(
            array(
                'date_range'     => false,
                'query_function' => 'get_col',
                'select'         => array(
                    'orders.ID',
                ),
                'statuses'       => array(
                    'llms-active',
                    'llms-completed',
                    'llms-refunded',
                ),
            )
        );
        $this->query();
        $order_ids = $this->get_results();
 
        if ( $order_ids ) {
 
            $txn_meta_join   = "JOIN {$wpdb->postmeta} AS txn_meta ON txn_meta.post_id = txns.ID";
            $txn_meta_where .= " AND txn_meta.meta_key = '_llms_order_id'";
            $txn_meta_where .= ' AND txn_meta.meta_value IN ( ' . implode( ', ', $order_ids ) . ' )';
        } else {
 
            $this->query_function = 'get_var';
            $this->query          = 'SELECT 0';
            return;
 
        }
    }
 
    // Date range will be used to get transactions between given dates.
    $dates            = $this->get_posted_dates();
    $this->query_vars = array(
        $this->format_date( $dates['start'], 'start' ),
        $this->format_date( $dates['end'], 'end' ),
    );
 
    $this->query_function = 'get_var';
 
    $this->query = "SELECT
                        (
                            IFNULL( SUM( (
                                SELECT price.meta_value
                                FROM {$wpdb->postmeta} AS price
                                WHERE
                                      price.meta_key = '_llms_amount'
                                  AND price.post_id IN( txns.ID )
                            ) ), 0 ) - IFNULL( SUM((
                                SELECT refund.meta_value
                                FROM {$wpdb->postmeta} AS refund
                                WHERE
                                      refund.meta_key = '_llms_refund_amount'
                                  AND refund.post_id IN( txns.ID )
                            ) ), 0 )
                        ) AS revenue
                    FROM {$wpdb->posts} AS txns
                    {$txn_meta_join}
                    WHERE
                            ( txns.post_status = 'llms-txn-succeeded' OR txns.post_status = 'llms-txn-refunded' )
                        AND txns.post_type = 'llms_transaction'
                        AND txns.post_date BETWEEN CAST( %s AS DATETIME ) AND CAST( %s AS DATETIME )
                        {$txn_meta_where}
                    ;";
 
}

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