<?php
/**
 * Created by Pensare Software.
 * User: Theo Weijmer
 * Date: 21/02/2018
 * Time: 10:34
 */

class Invoices_model extends MY_Model {

    protected $tablename = 'invoices';

    public function getInvoicedPerYearPerProject( $projectID )
    {
        $this->sql = "
        SELECT          ROUND(COALESCE(SUM(invoiceamount), 0),0) AS invoiced, YEAR(invoicedate) AS invoiceyear
        FROM            invoices
        WHERE           project_id = {$projectID}
        GROUP BY        YEAR(invoicedate) 
        ORDER BY        YEAR(invoicedate) ";

        $invoiced = $this->get_query_result();

        return $invoiced;
    }

    public function getOutstandingPerProject( $projectID )
    {
        $this->sql = "
        SELECT 		(own_revenue + other_revenue) - SUM(INV.invoiceamount) AS outstanding
        FROM 		invoices 	INV
            JOIN 	projects	PRJ
            ON		PRJ.id = INV.project_id
            JOIN	offers		OFF
            ON 		PRJ.id = OFF.project_id
        WHERE 		PRJ.id = {$projectID} ";

        $invoiced = $this->get_query_row( 'outstanding' );

        return $invoiced;
    }
}