Removalls and offers revenues

application/models/eloquent/Project.php

@@ -80,6 +80,8 @@ class Project extends BaseModel {
 
     public static function removeProject( $projectID )
     {
+        Offer::whereProjectId( $projectID )->update( ['project_id' => NULL] );
+
         Project::whereId( $projectID )->delete();
     }
 

application/models/eloquent/queries/Qinvoiceoverview.php

@@ -14,7 +14,7 @@ class Qinvoiceoverview {
         $sql = "
           SELECT			PRJ.id, PRJ.projectnumber, 
                             PRJ.projectname, 
-                            (own_revenue + other_revenue ) AS revenues,
+                            (own_revenue + other_revenue + OFF.costs ) AS revenues,
                             CUS.name AS customername,
                             SUM(IF( YEAR(invoicedate) =   {$year}, invoiceamount* ((100 + VTS.vatrate)/100), 0)) AS currentyear, 
                             SUM(IF( YEAR(invoicedate) != {$year}, invoiceamount * ((100 + VTS.vatrate)/100), 0)) AS otheryear,  

application/models/projects/Invoices_model.php

@@ -27,7 +27,7 @@ class Invoices_model extends MY_Model {
     public function getOutstandingPerProject( $projectID )
     {
         $this->sql = "
-         SELECT 		(own_revenue + other_revenue) AS totalrevenue,
+         SELECT 		(own_revenue + other_revenue + OFF.costs) AS totalrevenue,
                         ROUND(SUM(INV.invoiceamount * ((100 + vatrate) / 100)), 0) AS totalinvoiced,
                         (
                       	SELECT        SUM(paymentamount) PAYMENTAMOUNT