X-Git-Url: https://delta.frontaccounting.com/gitweb/?a=blobdiff_plain;f=sales%2Fincludes%2Fcart_class.inc;h=78f8309aaae42bb4debab6a444ec97d569c7e3f1;hb=3b06c6c4718610a408cae2e9b76c3134ca30b84c;hp=3adf6c930a3b32675248834b78494b0f20edd360;hpb=264c09696d65efe4532c197f317162daf8c24f32;p=fa-stable.git

diff --git a/sales/includes/cart_class.inc b/sales/includes/cart_class.inc
index 3adf6c93..78f8309a 100644
--- a/sales/includes/cart_class.inc
+++ b/sales/includes/cart_class.inc
@@ -73,13 +73,14 @@ class cart
 	var $payment;
 	var $payment_terms; // cached payment terms
 	var $credit;
-	
 	// prepayment mode:
 	var $prepaid;		// true for documents issued in prepayment mode
 	var $prep_amount;	// prepayment required for SO, invoiced amount for prepaiament invoice
 	var $sum_paid; 		// sum of all allocated prepayments both to order and related invoices
 	var $alloc; 		// sum of payments allocated to this document
 	var $prepayments = array(); // allocation records for this document
+	var $ex_rate;
+
 	//-------------------------------------------------------------------------
 	//
 	//  $trans_no==0 => open new/direct document
@@ -101,7 +102,28 @@ class cart
 		$this->read($type, $trans_no, $prepare_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.
 	//
@@ -114,6 +136,9 @@ 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++) {
@@ -135,9 +160,6 @@ 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;
 	}
@@ -536,6 +558,40 @@ 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;
+	}
+
 	/*
 		Returns true for documents issued in prepayment cycle.
 	*/