Merged changes from main trunk 2.2.1-2.2.2
[fa-stable.git] / sales / includes / cart_class.inc
index b3d5ac966a19d3fd17af6542801342daa0d2c0d5..1ba84ea6137a3c492094a5cfb680fdbea3e5a417 100644 (file)
@@ -100,7 +100,7 @@ class cart
                global $SysPrefs, $Refs;
 
                if (!is_array($trans_no)) $trans_no = array($trans_no);
-               if ($trans_no[0]) 
+               if ($trans_no[0]) // read old transaction
                {
                        if ($type == ST_SALESORDER || $type == ST_SALESQUOTE) { // sales order || sales quotation
                                read_sales_order($trans_no[0], $this, $type);
@@ -111,7 +111,7 @@ class cart
                                                $line->qty_dispatched = $line->quantity - $line->qty_done;
                                        }
                                }
-                       } else {        // derivative transaction
+                       } else {        // other type of sales transaction
                                        read_sales_trans($type, $trans_no, $this);
                                        if ($this->order_no) { // free hand credit notes have no order_no
                                                $sodata = get_sales_order_header($this->order_no, ST_SALESORDER);
@@ -121,9 +121,9 @@ class cart
                                                $this->delivery_to = $sodata["deliver_to"];
                                                $this->delivery_address = $sodata["delivery_address"];
                                        }
+                                       // old derivative transaction edit
                                        if (!$view && ($type!=ST_CUSTCREDIT || $this->trans_link!=0)) {
                                                $src_type = get_parent_type($type);
-                                               $src_details = 0;
                                                if ($src_type == ST_SALESORDER) { // get src data from sales_orders
                                                        $this->src_docs = array( $sodata['order_no']=>$sodata['version']);
                                                        $srcdetails = get_sales_order_details($this->order_no, ST_SALESORDER);
@@ -132,7 +132,6 @@ class cart
                                                        $srcdetails = get_customer_trans_details($src_type,array_keys($this->src_docs));
                                                }
                                                // calculate & save: qtys on other docs and free qtys on src doc
-                                               $line_no = 0;
                                                for($line_no = 0; $srcline = db_fetch($srcdetails); $line_no++) {
                                                        $sign = 1; // $type==13 ?  1 : -1; // this is strange debtor_trans atavism
                                                        $line = &$this->line_items[$line_no];
@@ -141,17 +140,18 @@ class cart
                                                        $line->qty_old = $line->qty_dispatched = $line->quantity;
                                                        $line->quantity += $sign * ($srcline['quantity'] - $srcline['qty_done']); // add free qty on src doc
                                                }
-                                       } else {
+                                       } else { // prepare qtys for derivative document entry (not used in display)
                                                for($line_no = 0; $line_no < count($this->line_items); $line_no++) {
                                                        $line = &$this->line_items[$line_no];
                                                        $line->src_id = $line->id; // save src line ids for update
-                                                       $line->qty_dispatched = $line->quantity;
+                                                       $line->qty_dispatched = $line->quantity - $line->qty_done;
                                                }
                                        }
                                }
-               } else {
+               } else { // new document
                                $this->trans_type = $type;
                                $this->trans_no = 0;
+                               $this->customer_currency = get_company_currency();
                                // set new sales document defaults here
                                if (get_global_customer() != ALL_TEXT)
                                  $this->customer_id = get_global_customer();