+ $this->sales_type = "";
+ $this->trans_type = 30;
+ $this->dimension_id = 0;
+ $this->dimension2_id = 0;
+ $this->read($type, $trans_no, $view );
+ $this->cart_id = uniqid('');
+ }
+
+ //-------------------------------------------------------------------------
+ // Reading document into cart
+ //
+ function read($type, $trans_no = 0, $view=false ) {
+
+ if (!is_array($trans_no)) $trans_no = array($trans_no);
+ if ($trans_no[0]) {
+ if ($type == 30) { // sales order
+ read_sales_order($trans_no[0], $this);
+ if ($view) { // prepare for DN/IV entry
+ 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 - $line->qty_done;
+ }
+ }
+ } else { // derivative transaction
+ read_sales_trans($type, $trans_no, $this);
+ if ($this->order_no) { // free hand credit notes have no order_no
+ $sodata = get_sales_order_header($this->order_no);
+ $this->cust_ref = $sodata["customer_ref"];
+ // currently currency is hard linked to debtor account
+ // $this->customer_currency = $sodata["curr_code"];
+ $this->delivery_to = $sodata["deliver_to"];
+ $this->delivery_address = $sodata["delivery_address"];
+ }
+ if (!$view && ($type!=11 || $this->trans_link!=0)) {
+ $src_type = get_parent_type($type);
+ $src_details = 0;
+ if ($src_type == 30) { // get src data from sales_orders
+ $this->src_docs = array( $sodata['order_no']=>$sodata['version']);
+ $srcdetails = get_sales_order_details($this->order_no);
+ } else { // get src_data from debtor_trans
+ $this->src_docs = get_customer_trans_version($src_type, get_parent_trans($type,$trans_no[0]));
+ $srcdetails = get_customer_trans_details($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];
+
+ $line->src_id = $srcline['id']; // save src line ids for update
+ $line->qty_old = $line->qty_dispatched = $line->quantity;
+ $line->quantity += $sign * ($srcline['quantity'] - $srcline['qty_done']); // add free qty on src doc
+ }
+ } else {
+ for($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;
+ }
+ }
+ }
+ } else {
+ $this->trans_type = $type;
+ $this->trans_no = 0;
+ // set new sales document defaults here
+ if (get_global_customer() != reserved_words::get_all())
+ $this->customer_id = get_global_customer();
+ else
+ $this->customer_id = '';
+ $this->document_date = Today();
+ if (!is_date_in_fiscalyear($this->document_date))
+ $this->document_date = end_fiscalyear();
+ $this->reference = references::get_next($this->trans_type);
+ if ($type != 30) // Added 2.1 Joe Hunt 2008-11-12
+ {
+ $dim = get_company_pref('use_dimension');
+ if ($dim > 0)
+ {
+ if ($this->customer_id == '')
+ $this->dimension_id = 0;
+ else
+ {
+ $cust = get_customer($this->customer_id);
+ $this->dimension_id = $cust['dimension_id'];
+ }
+ if ($dim > 1)
+ {
+ if ($this->customer_id == '')
+ $this->dimension2_id = 0;
+ else
+ $this->dimension2_id = $cust['dimension2_id'];
+ }
+ }
+ }
+ if ($type == 10) {
+ $this->due_date =
+ get_invoice_duedate($this->customer_id, $this->document_date);
+ $this->pos = user_pos();
+ $pos = get_sales_point($this->pos);
+ $this->cash = !$pos['credit_sale'];
+ if (!$pos['cash_sale'] || !$pos['credit_sale'])
+ $this->pos = -1; // mark not editable payment type
+ else
+ $this->cash = date_diff($this->due_date, Today(), 'd')<2;
+ if ($this->cash) {
+ $this->Location = $pos['pos_location'];
+ $this->location_name = $pos['location_name'];
+ $this->cash_account = $pos['pos_account'];
+ $this->account_name = $pos['bank_account_name'];
+ }
+ } else
+ $this->due_date =
+ add_days($this->document_date, sys_prefs::default_delivery_required_by());
+ }
+ }
+
+ //-------------------------------------------------------------------------
+ // 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) {
+ if (count($this->src_docs) == 0 && ($this->trans_type == 10 || $this->trans_type == 13)) {
+ // 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);
+ $this->document_date = $date;
+ $this->reference = $ref;
+ $this->trans_type = $type;
+ $this->src_docs= $this->trans_no;
+ $this->trans_no = 0;
+ $this->order_no= $this->trans_type==13 ? key($src->trans_no) : $src->order_no;
+ }
+ $this->reference = @html_entity_decode($this->reference);
+ $this->Comments = @html_entity_decode($this->Comments);
+ foreach($this->line_items as $lineno => $line) {
+ $this->line_items[$lineno]->stock_id = @html_entity_decode($line->stock_id);
+ $this->line_items[$lineno]->item_description = @html_entity_decode($line->item_description);
+ }
+ switch($this->trans_type) {
+ case 10:
+ return write_sales_invoice($this);
+ case 11:
+ return write_credit_note($this, $policy);
+ case 13:
+ return write_sales_delivery($this, $policy);
+ case 30:
+ if ($this->trans_no==0) // new document
+ return add_sales_order($this);
+ else
+ return update_sales_order($this);
+ }
+ }
+
+ function set_customer($customer_id, $customer_name, $currency, $discount, $cdiscount=0)
+ {
+ $this->customer_name = $customer_name;
+ $this->customer_id = $customer_id;
+ $this->default_discount = $discount;
+ $this->cash_discount = $cdiscount;
+ $this->customer_currency = $currency;