X-Git-Url: https://delta.frontaccounting.com/gitweb/?a=blobdiff_plain;f=sales%2Fincludes%2Fcart_class.inc;h=a363562eeb4f39ab5101b977a8944e62ac9056a9;hb=a84031edf2c09459a446d896191e27907d8cb188;hp=79a90ad7114a4e7150d5cc24624f98d2dcc0e329;hpb=88231b75937436aedadf2a751893e887307aa419;p=fa-stable.git

diff --git a/sales/includes/cart_class.inc b/sales/includes/cart_class.inc
index 79a90ad7..a363562e 100644
--- a/sales/includes/cart_class.inc
+++ b/sales/includes/cart_class.inc
@@ -71,7 +71,8 @@ class cart
 	var $payment;
 	var $payment_terms; // cached payment terms
 	var $credit;
-	
+	var $ex_rate;
+
 	//-------------------------------------------------------------------------
 	//
 	//  $trans_no==0 => open new/direct document
@@ -92,7 +93,28 @@ class cart
 		$this->read($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.
 	//
@@ -104,6 +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++) {
@@ -124,9 +149,6 @@ class cart
 			$this->due_date = get_invoice_duedate($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;
 	}
@@ -243,10 +265,18 @@ class cart
 	// $policy - 0 or 1:  writeoff/return for IV, back order/cancel for DN
 	function write($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
 			$ref = $this->reference;
 			$date = $this->document_date;
+			$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'; 
@@ -256,6 +286,9 @@ class cart
 			$this->read($this->trans_type, $trans_no, true); 
 			$this->document_date = $date;
 			$this->reference = $ref;
+			$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);
@@ -511,6 +544,41 @@ class cart
 
 		return $total;
 	}
+
+	/*
+		Checks cart quantities on document_date.
+		Returns array of stock_ids which stock quantities would go negative on some day.
+	*/
+	function check_qoh($date=null, $location=null)
+	{
+		$low_stock = array();
+		// check only for customer delivery and direct sales invoice 
+	   	if (!($this->trans_type == ST_CUSTDELIVERY || ($this->trans_type == ST_SALESINVOICE && $this->trans_no==0)))
+	   		return $low_stock;
+
+		// collect quantities by stock_id
+		$qtys = array();
+		foreach ($this->line_items as $line_no => $line_item)
+		{
+			if (has_stock_holding($line_item->mb_flag))
+			{
+				if (!$this->trans_no) // new delivery
+					$qtys[$line_item->stock_id]['qty'] = $line_item->qty_dispatched + @$qtys[$line_item->stock_id]['qty'];
+				else	// DN modification: check change in quantity
+					$qtys[$line_item->stock_id]['qty'] = ($line_item->qty_dispatched-$line_item->qty_old) + @$qtys[$line_item->stock_id]['qty'];
+				$qtys[$line_item->stock_id]['line'] = $line_no;
+			}
+		}
+
+		foreach($qtys as $stock_id => $sum)
+		{
+			if (check_negative_stock($stock_id, -$sum['qty'], $location ? $location : $this->Location, $date ? $date : $this->document_date))
+				$low_stock[] = $stock_id;
+		}
+
+		return $low_stock;
+	}
+
 } /* end of class defintion */
 
 class line_details