CItem Cost Update will also regulate the stock moves standard cost to mirror correct GL.
[fa-stable.git] / sales / includes / cart_class.inc
index 286f9f373dcd89642d3f9f8ffe2e1eb8849177a1..64a237f320aa824db88f3377e653e6615cbc7132 100644 (file)
@@ -64,23 +64,22 @@ class cart
        var $tax_group_array = null; // saves db queries
        var $price_factor;       // ditto for price calculations
 
-       var     $pos;                   // user assigned POS
-       var $cash_account;
-       var $account_name;
+       var     $pos;                   // user assigned POS (contains cash accont number/name)
        var $cash_discount;     // not used as of FA 2.1
        var $dimension_id;
        var $dimension2_id;
        var $payment;
        var $payment_terms; // cached payment terms
        var $credit;
-       
+       var $ex_rate;
+
        //-------------------------------------------------------------------------
        //
        //  $trans_no==0 => open new/direct document
-       //  $trans_no!=0 && $no_edit==false => update with parent constarints for reedition
-       //  $trans_no!=0 && $no_edit==true => read only: for view, or later child doc entry
+       //  $trans_no!=0 && $prep_child==false => update with parent constarints for reedition
+       //  $trans_no!=0 && $prep_child==true => prepare for child doc entry
        //
-       function Cart($type, $trans_no=0, $no_edit=false) {
+       function Cart($type, $trans_no=0, $prep_child=false) {
                /*Constructor function initialises a new shopping cart */
                $this->line_items = array();
                $this->sales_type = "";
@@ -91,10 +90,31 @@ class cart
                $this->dimension_id = 0;
                $this->dimension2_id = 0;
                $this->pos = get_sales_point(user_pos());
-               $this->read($type, $trans_no, $no_edit);
+               $this->read($type, $trans_no, $prep_child);
                $this->cart_id = uniqid('');
        }
-       
+
+       /*
+               Optional sorting items by stock_id.
+       */
+       function _cmp_lines($a, $b)
+       {
+               return strcmp($a->stock_id, $b->stock_id);
+       }
+
+       /*
+               Returns items array optionally sorted by item code.
+       */
+       function get_items()
+       {
+               global $sort_sales_items;
+
+               $items = $this->line_items;
+               if (@$sort_sales_items)
+                       uasort($items, array($this, '_cmp_lines'));
+
+               return $items;
+       }
        //
        //      Prepare cart to new child document entry, just after initial parent doc read.
        //
@@ -106,6 +126,9 @@ class cart
 
                $this->trans_type = $type;
                $this->reference = $Refs->get_next($this->trans_type);
+               if ($type == ST_CUSTCREDIT)
+                   $this->src_date = $this->document_date;
+
                $this->document_date = new_doc_date();
 
                for($line_no = 0; $line_no < count($this->line_items); $line_no++) {
@@ -116,16 +139,16 @@ class cart
                }
                unset($line);
                
-               if ($type == ST_CUSTDELIVERY)
+               if ($type == ST_CUSTDELIVERY) {
                        $this->order_no = key($this->trans_no);
-
+                       $cust = get_customer($this->customer_id);
+                       $this->dimension_id = $cust['dimension_id'];
+                       $this->dimension2_id = $cust['dimension2_id'];
+               }
                if ($type == ST_SALESINVOICE) {
                        $this->due_date = get_invoice_duedate($this->payment, $this->document_date);
                }
 
-               if ($type == ST_CUSTCREDIT)
-                   $this->src_date = $this->document_date;
-
                $this->src_docs = $this->trans_no;
                $this->trans_no = 0;
        }
@@ -136,23 +159,15 @@ class cart
        function set_parent_constraints($sodata, $src_no) {
 
                $srcdetails = get_sales_parent_lines($this->trans_type, $src_no);
-               
                $src_type = get_parent_type($this->trans_type);
-               if ($src_type == ST_SALESORDER || $src_type == 0) {
-                       $this->src_docs = array( $sodata['order_no']=>$sodata['version']);
-               } else {        // get src_data from debtor_trans
-                       $srcnum = array();
-                       while ($line = db_fetch($srcdetails)) {
-                               $srcnum[] = $line['debtor_trans_no'];
-                       }
-                       $this->src_docs = get_customer_trans_version($src_type, array_values($srcnum));
-               }
+
                // calculate & save: qtys on other docs and free qtys on src doc
-               $line_no = 0;
+               $line_no = 0; $src_docs = array();
                // Loop speed optimisation below depends on fact 
                // that child line_items contains subset of parent lines in _the_same_ order !
-               while ($line_no < count($this->line_items) && $srcline = db_fetch($srcdetails)) {
+               while (($line_no < count($this->line_items)) && ($srcline = db_fetch($srcdetails))) {
                        $line = &$this->line_items[$line_no];
+                       $src_docs[] = $src_type == ST_SALESORDER ?  $srcline['order_no'] : $srcline['debtor_trans_no'];
                        if ($srcline['id'] == $line->src_id) {
                                if ($this->trans_type == ST_SALESINVOICE)
                                        $line->src_no = $srcline['debtor_trans_no'];
@@ -160,14 +175,20 @@ class cart
                                $line->quantity += $srcline['quantity'] - 
                                        ($src_type==ST_SALESORDER ? $srcline['qty_sent'] : $srcline['qty_done']); // add free qty on src doc
                                $line_no++;
-                               break;
                        }
                }
+
+               if ($src_type == ST_SALESORDER || $src_type == 0) {
+                       $this->src_docs = array( $sodata['order_no']=>$sodata['version']);
+               } else {
+                       // get src_data from debtor_trans
+                       $this->src_docs = get_customer_trans_version($src_type, array_unique($src_docs));
+               }
        }
        //-------------------------------------------------------------------------
        // Reading document into cart
        //
-       function read($type, $trans_no = 0, $no_edit=false) {
+       function read($type, $trans_no=0, $prep_child=false) {
 
                global $SysPrefs, $Refs;
 
@@ -177,7 +198,7 @@ class cart
                        if ($type == ST_SALESORDER || $type == ST_SALESQUOTE) { // sales order || sales quotation
                                read_sales_order($trans_no[0], $this, $type);
                        } else {        // other type of sales transaction
-                                       read_sales_trans($type, $trans_no, $this);
+                                       read_sales_trans($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);
                                                $this->cust_ref = $sodata["customer_ref"];
@@ -186,18 +207,14 @@ class cart
                                                $this->delivery_to = $sodata["deliver_to"];
                                                $this->delivery_address = $sodata["delivery_address"];
                                        // child transaction reedition - update with parent info unless it is freehand
-                                               if (!$no_edit)
-                                                       $this->set_parent_constraints($sodata, $trans_no[0]);
+                                       if (!$prep_child) // this is read for view/reedition
+                                               $this->set_parent_constraints($sodata, $trans_no[0]);
                                        }
                        }
-                       // prepare qtys for derivative document entry (not used in display)
-                       if($no_edit) {
-                               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 - $line->qty_done;
-                               }
-                       }
+                       // convert document into child and prepare qtys for entry
+                       if ($prep_child)
+                               $this->prepare_child();
+
                } else { // new document
                                $this->trans_type = $type;
                                $this->trans_no = 0;
@@ -207,7 +224,7 @@ class cart
                                  $this->customer_id = get_global_customer();
                                else
                                  $this->customer_id = '';
-                               $this->document_date =  new_doc_date();
+                               $this->document_date = new_doc_date();
                                if (!is_date_in_fiscalyear($this->document_date))
                                        $this->document_date = end_fiscalyear();
                                $this->reference = $Refs->get_next($this->trans_type);
@@ -246,26 +263,32 @@ class cart
        // Writing new/modified sales document to database.
        // Makes parent documents for direct delivery/invoice by recurent call.
        // $policy - 0 or 1:  writeoff/return for IV, back order/cancel for DN
-       function write($policy=0) {
+       function write($policy=0) { 
                begin_transaction(); // prevents partial database changes in case of direct delivery/invoice
+               if ($this->reference != 'auto' && $this->trans_no == 0 && !is_new_reference($this->reference, $this->trans_type))
+               {
+                       commit_transaction();
+                       return -1;
+               }       
                if (count($this->src_docs) == 0 && ($this->trans_type == ST_SALESINVOICE || $this->trans_type == ST_CUSTDELIVERY)) {
                        // this is direct document - first add parent
-                       $src = (PHP_VERSION<5) ? $this : clone( $this ); // make local copy of this cart
-                       $src->trans_type = get_parent_type($src->trans_type);
-                       $src->reference = 'auto';
-
-                       $src->write(1);
-                       $type = $this->trans_type;
                        $ref = $this->reference;
                        $date = $this->document_date;
-                       // re-read document
-                       $this->read($src->trans_type, key($src->trans_no), true);
+                       $due_date = $this->due_date;
+                       $dimension_id = $this->dimension_id;
+                       $dimension2_id = $this->dimension2_id;
+                       $this->trans_type = get_parent_type($this->trans_type);
+
+                       $this->reference = 'auto'; 
+                       $trans_no = $this->write(1); 
+
+                       // re-read parent document converting it to child
+                       $this->read($this->trans_type, $trans_no, true); 
                        $this->document_date = $date;
                        $this->reference = $ref;
-                       $this->trans_type = $type;
-                       $this->src_docs= $this->trans_no;
-                       $this->trans_no = 0;
-                       $this->order_no= $this->trans_type==ST_CUSTDELIVERY ? key($src->trans_no) : $src->order_no;
+                       $this->due_date = $due_date;
+                       $this->dimension_id = $dimension_id;
+                       $this->dimension2_id = $dimension2_id;
                }
                $this->reference = @html_entity_decode($this->reference, ENT_QUOTES);
                $this->Comments = @html_entity_decode($this->Comments, ENT_QUOTES);
@@ -306,8 +329,6 @@ class cart
                if ($this->payment_terms['cash_sale']) {
                        $this->Location = $this->pos['pos_location'];
                        $this->location_name = $this->pos['location_name'];
-                       $this->cash_account = $this->pos['pos_account'];
-                       $this->account_name = $this->pos['bank_account_name'];
                }
                $this->credit = get_current_cust_credit($customer_id);
        }
@@ -497,7 +518,7 @@ class cart
                if ($tax_items != null) {
                        foreach ($tax_items as $item_tax) {
                                $index = $item_tax['tax_type_id'];
-                               if (isset($this->tax_group_array[$index])) {
+                               if (isset($this->tax_group_array[$index]['rate'])) {
                                        $tax_rate += $item_tax['rate'];
                                }
                        }