<?php

//----------------------------------------------------------------------------------------	

function add_sales_order($order)
{
	begin_transaction();

	if ($order->direct_invoice)
		$del_date = date2sql($order->orig_order_date);
	else	
		$del_date = date2sql($order->delivery_date);

	$sql = "INSERT INTO ".TB_PREF."sales_orders (debtor_no, branch_code, customer_ref, Comments, ord_date, 
		order_type, ship_via, deliver_to, delivery_address, contact_phone, 
		contact_email, freight_cost, from_stk_loc, delivery_date) 
		VALUES ('" . $order->customer_id . "', '" . $order->Branch . "', '". 
			$order->cust_ref ."','". db_escape($order->Comments) ."','" . 
			date2sql($order->orig_order_date) . "', '" . 
			$order->default_sales_type . "', " . 
			$_POST['ship_via'] .",'" . $order->deliver_to . "', '" . 
			$order->delivery_address . "', '" .  
			$order->phone . "', '" . $order->email . "', " . 
			$order->freight_cost .", '" . $order->Location ."', '" . 
			$del_date . "')";

	db_query($sql, "order Cannot be Added");

	$order_no = db_insert_id();
	
	foreach ($order->line_items as $stock_item) 
	{
		$sql = "INSERT INTO ".TB_PREF."sales_order_details (order_no, stk_code, description, unit_price, quantity, discount_percent) VALUES (";
		$sql .= $order_no . 
				",'$stock_item->stock_id', '$stock_item->item_description', $stock_item->price, 
				$stock_item->quantity, 
				$stock_item->discount_percent)";
		db_query($sql, "order Details Cannot be Added");
		
	} /* inserted line items into sales order details */
	
	add_forms_for_sys_type(systypes::sales_order(), $order_no);	
	
	commit_transaction();
	
	return $order_no;		
}

//----------------------------------------------------------------------------------------

function delete_sales_order($order_no)
{
	begin_transaction();
		
	$sql = "DELETE FROM ".TB_PREF."sales_orders WHERE order_no=" . $order_no;
	db_query($sql, "order Header Delete");

	$sql = "DELETE FROM ".TB_PREF."sales_order_details WHERE order_no =" . $order_no;
	db_query($sql, "order Detail Delete");
	
	delete_forms_for_systype(systypes::sales_order(), $order_no);
	
	commit_transaction();	
}

//----------------------------------------------------------------------------------------

function update_sales_order($order_no, $order)
{
	$del_date = date2sql($order->delivery_date);
	$ord_date = date2sql($order->orig_order_date);

	begin_transaction();

	$sql = "UPDATE ".TB_PREF."sales_orders SET debtor_no = '" . $order->customer_id . "', 
		branch_code = '" . $order->Branch . "', 
		customer_ref = '". $order->cust_ref ."', 
		Comments = '". db_escape($order->Comments) ."', ord_date = '" . $ord_date . "', 
		order_type = '" . $order->default_sales_type . "', ship_via = " . $order->ship_via .", 
		deliver_to = '" . $order->deliver_to . "', delivery_address = '" . $order->delivery_address . "', 
		contact_phone = '" . $order->phone . "', 
		contact_email = '" . $order->email . "', freight_cost = " . $order->freight_cost .", 
		from_stk_loc = '" . $order->Location ."', delivery_date = '" . $del_date . "'
		WHERE order_no=" . $order_no;

	db_query($sql, "order Cannot be Updated");

	$sql = "DELETE FROM ".TB_PREF."sales_order_details WHERE order_no =" . $order_no;

	db_query($sql, "Old order Cannot be Deleted");

	foreach ($order->line_items as $stock_item) 
	{

		$sql = "INSERT INTO ".TB_PREF."sales_order_details (order_no, stk_code,  description, unit_price, quantity, discount_percent, qty_invoiced) VALUES (";
		
		$sql .= $order_no . ",'" . $stock_item->stock_id . "','" . $stock_item->item_description . "', " . $stock_item->price . ", " . $stock_item->quantity . ", " . $stock_item->discount_percent . ", " . $stock_item->qty_inv . " )";

		db_query($sql, "Old order Cannot be Inserted");

	} /* inserted line items into sales order details */

	commit_transaction();
}

//----------------------------------------------------------------------------------------

function get_sales_order($order_no)
{
	$sql = "SELECT ".TB_PREF."sales_orders.*, ".TB_PREF."debtors_master.name, ".TB_PREF."debtors_master.curr_code, ".TB_PREF."locations.location_name, 
		".TB_PREF."debtors_master.payment_terms, ".TB_PREF."debtors_master.discount, ".TB_PREF."sales_types.sales_type, ".TB_PREF."shippers.shipper_name,
		".TB_PREF."tax_groups.name AS tax_group_name , ".TB_PREF."tax_groups.id AS tax_group_id 
		FROM ".TB_PREF."sales_orders, ".TB_PREF."debtors_master, ".TB_PREF."sales_types, ".TB_PREF."tax_groups, ".TB_PREF."cust_branch, ".TB_PREF."locations, ".TB_PREF."shippers  
			WHERE ".TB_PREF."sales_orders.order_type=".TB_PREF."sales_types.id
				AND ".TB_PREF."cust_branch.branch_code = ".TB_PREF."sales_orders.branch_code 
				AND ".TB_PREF."cust_branch.tax_group_id = ".TB_PREF."tax_groups.id
				AND ".TB_PREF."sales_orders.debtor_no = ".TB_PREF."debtors_master.debtor_no 
				AND ".TB_PREF."locations.loc_code = ".TB_PREF."sales_orders.from_stk_loc
				AND ".TB_PREF."shippers.shipper_id = ".TB_PREF."sales_orders.ship_via
				AND ".TB_PREF."sales_orders.order_no = " . $order_no;
									
	$result = db_query($sql, "order Retreival");	

	$num = db_num_rows($result);	
	if ($num > 1) 
	{
		display_db_error("FATAL : sales order query returned a duplicate - " . db_num_rows($result), $sql, true);
	} 
	else if ($num == 1) 
	{
		return db_fetch($result);
	}
	else
		display_db_error("FATAL : sales order return nothing - " . db_num_rows($result), $sql, true);
										
}

//----------------------------------------------------------------------------------------

function read_sales_order($order_no, &$order, $skip_completed_items=false)
{
	$myrow = get_sales_order($order_no);

	$order->customer_id = $myrow["debtor_no"];
	$order->Branch = $myrow["branch_code"];
	$order->customer_name = $myrow["name"];
	$order->cust_ref = $myrow["customer_ref"];
	$order->default_sales_type =$myrow["order_type"];
	$order->sales_type_name =$myrow["sales_type"];		
	$order->customer_currency = $myrow["curr_code"];
	$order->default_discount = $myrow["discount"];		
	
	$order->Comments = $myrow["comments"];

	$order->ship_via = $myrow["ship_via"];
	$order->deliver_to = $myrow["deliver_to"];
	$order->delivery_date = sql2date($myrow["delivery_date"]);
	$order->freight_cost = $myrow["freight_cost"];
	$order->delivery_address = $myrow["delivery_address"];
	$order->phone = $myrow["contact_phone"];
	$order->email = $myrow["contact_email"];
	$order->Location = $myrow["from_stk_loc"];
	$order->location_name = $myrow["location_name"];
	$order->orig_order_date = sql2date($myrow["ord_date"]);
	
	$order->tax_group_name = $myrow["tax_group_name"];
	$order->tax_group_id = $myrow["tax_group_id"];
	
	$sql = "SELECT stk_code, unit_price, ".TB_PREF."sales_order_details.description,
		".TB_PREF."sales_order_details.quantity, discount_percent, 
		qty_invoiced, ".TB_PREF."stock_master.units,
		".TB_PREF."stock_master.material_cost + ".TB_PREF."stock_master.labour_cost + ".TB_PREF."stock_master.overhead_cost AS standard_cost
		FROM ".TB_PREF."sales_order_details, ".TB_PREF."stock_master 
			WHERE ".TB_PREF."sales_order_details.stk_code = ".TB_PREF."stock_master.stock_id 
				AND order_no =" . $order_no;
						
	if ($skip_completed_items)
		$sql .= " 
			AND ".TB_PREF."sales_order_details.quantity - ".TB_PREF."sales_order_details.qty_invoiced > 0 ";							

	$result = db_query($sql, "Retreive order Line Items");

	if (db_num_rows($result) > 0) 
	{

		while ($myrow = db_fetch($result)) 
		{
			$order->add_to_cart($myrow["stk_code"],$myrow["quantity"],
				$myrow["unit_price"], $myrow["discount_percent"],
				$myrow["qty_invoiced"], $myrow["standard_cost"], $myrow["description"]);
		} 
	} 
	
	return true;
}

//----------------------------------------------------------------------------------------

function sales_order_has_invoices($order_no)
{
	$sql = "SELECT COUNT(*) FROM ".TB_PREF."debtor_trans WHERE order_=$order_no";
	
	$result = db_query($sql, "could not query for sales order usage");
	
	$row = db_fetch_row($result);
	
	return ($row[0] > 0); 	
}

//----------------------------------------------------------------------------------------

function close_sales_order($order_no)
{
	// set the quantity of each item to the already invoiced quantity. this will mark item as closed.
	$sql = "UPDATE ".TB_PREF."sales_order_details 
		SET quantity = qty_invoiced 
 			WHERE order_no = $order_no";	
	
	db_query($sql, "The sales order detail record could not be updated");				
}

//----------------------------------------------------------------------------------------

function dispatch_sales_order_item($order_no, $stock_id, $qty_dispatched)
{
	$sql = "UPDATE ".TB_PREF."sales_order_details 
		SET qty_invoiced = qty_invoiced + $qty_dispatched ";
	$sql .= " WHERE order_no = $order_no 
		AND stk_code = '$stock_id'";

	db_query($sql, "The sales order detail record could not be updated");	
}

//---------------------------------------------------------------------------------------------------------------

function get_invoice_duedate($debtorno, $invdate)
{
	if (!is_date($invdate)) 
	{
		return Today();
	}
    $sql = "SELECT ".TB_PREF."debtors_master.debtor_no, ".TB_PREF."debtors_master.payment_terms, ".TB_PREF."payment_terms.* FROM ".TB_PREF."debtors_master,
	   	".TB_PREF."payment_terms WHERE ".TB_PREF."debtors_master.payment_terms = ".TB_PREF."payment_terms.terms_indicator AND
	   	".TB_PREF."debtors_master.debtor_no = '$debtorno'";

    $result = db_query($sql,"The customer details could not be retrieved");
    $myrow = db_fetch($result);

    if (db_num_rows($result) == 0)
    	return $invdate;
    if ($myrow['day_in_following_month'] > 0)
    	$duedate = add_days(end_month($invdate), $myrow['day_in_following_month']);
	else
    	$duedate = add_days($invdate, $myrow['days_before_due']);
    return $duedate;
}


?>