Add php files

modules/EcmReports/class/class.PurchaseInvoiceItems.php

@@ -0,0 +1,41 @@
+ <?php 
+/**
+ * 
+ * @author: Katarzyna Zdunek 
+ **/
+    
+    class PurchaseInvoiceItems{
+        /**
+         * Pobiera wszystkie faktury wchodzД…ce do firmy 
+         * @param id- unikalny id faktury wchodzacej
+         * 
+         **/
+        public static function getByInvoiceId($id)
+        {
+            $db = $GLOBALS['db'];
+            $query = "SELECT * FROM Documents WHERE parent_id'=$id'
+            AND parent_type= 'Accounts' 
+            AND (category_id= 'invoice_costs'
+            OR category_id= 'invoice_goods')";
+            $result = $db->query($query);
+                
+            return BuyerItems::getAllFromResult ($result);
+            
+        }
+        
+        
+        /**
+         * Zwrocenie w tablicy wszystkich wynikпїЅw zapytania
+         * 
+         * @param  $result wiersze w postaci tablicy
+         */
+        public static function getAllFromResult ($result){
+            $itemsArray= Array();
+            while ( $row = $result->fetch_assoc () ) {
+                array_push ( $itemsArray, $row );
+            }
+            return $itemsArray;
+        }
+    }
+
+?>