X-Git-Url: https://delta.frontaccounting.com/gitweb/?a=blobdiff_plain;f=sales%2Fincludes%2Fcart_class.inc;h=0e355efb58e82b0e6ec989e0ce23dc2232ea3eba;hb=0c1bcd8ce3c089d7ddb3722a097f8fc8417f41e6;hp=25de205d1b4f280e12d5a20cbd0065f9c9caea78;hpb=a5bdb4cb5a7b4ed58ac02192b5cf814f99f1a6b7;p=fa-stable.git

diff --git a/sales/includes/cart_class.inc b/sales/includes/cart_class.inc
index 25de205d..0e355efb 100644
--- a/sales/includes/cart_class.inc
+++ b/sales/includes/cart_class.inc
@@ -14,59 +14,211 @@ include_once($path_to_root . "/taxes/tax_calc.inc");
 
 class cart
 {
+	var $trans_type; // invoice, order, delivery note ...
+	var $trans_no = array();// array (num1=>ver1,..) or 0 for new
+	var $so_type = 0;		// for sales order: simple=0 template=1
+
+	var $line_items;  //array of objects of class line_details
 
-	var $line_items; /*array of objects of class line_details using the product id as the pointer */
+	var $src_docs = array();	// array of arrays(num1=>ver1,...) or 0 for no src
+	var $src_date;			// src document date (for info only)
 
-	var $delivery_date;
+	var $document_date;
+	var $due_date;
 	var $default_sales_type; // set to the customer's sales type
 	var $sales_type_name; // set to customer's sales type name
+	var $tax_included;
+
 	var $customer_currency; // set to the customer's currency
 	var $default_discount; // set to the customer's discount %
-	var $trans_type; // invoice, order, delivery note ...
-	var $memo_; // memo_ on direct invoicing
+	var $customer_name;
+	var $customer_id;
+	var $Branch;
+	var $email;
 
 	var $deliver_to;
 	var $delivery_address;
 	var $phone;
 
-	var $email;
 	var $cust_ref;
+	var $reference;
 	var $Comments;
 	var $Location;
 	var $location_name;
-	var $order_no; // the original order number 	
-	var $trans_no;// transaction number
-
-	var $customer_name;
-	var $customer_id;
-	var $Branch;
-
-	var $orig_order_date;
+	var $order_no; 		// the original order number
+	var $trans_link = 0;
 
 	var $ship_via;
-	var $freight_cost;
+	var $freight_cost = 0;
 
 	var $tax_group_id;
 	var $tax_group_name;
-
-	function Cart($type = 'order')
-	{
+	var $tax_group_array = null; // saves db queries
+
+	//-------------------------------------------------------------------------
+	//
+	//  $trans_no==0 => open new/direct document
+	//  $trans_no!=0 && $view==false => read for view
+	//  $trans_no!=0 && $view==true => read for edit (qty update from parent doc)
+	//
+	function Cart($type, $trans_no=0, $view=false ) {
 		/*Constructor function initialises a new shopping cart */
 		$this->line_items = array();
 		$this->default_sales_type = "";
-		$this->trans_type = $type;
+		$this->trans_type = 30;
+		$this->read($type, $trans_no, $view );
+
 	}
 
-	function add_to_cart($stock_id, $qty, $price, $disc, $qty_done=0, $standard_cost=0, $description=null, $id=0)
+
+	function read($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->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 = $sodata["customer_ref"];
+//set_customer($customer_name, $customer_id, $currency, $discount)
+//*					$this->customer_name = $sodata["name"];
+//*					$this->customer_currency = $sodata["curr_code"];
+//*					$this->Comments = $sodata["comments"];
+					$this->delivery_address = $sodata["delivery_address"];
+//					$this->location_name = $sodata["location_name"];
+//					$this->document_date = sql2date($myrow["ord_date"]);
+				}
+				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->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->qty_dispatched = $line->quantity;
+					}
+				}
+			}
+		} else {
+			$this->trans_type = $type;
+			$this->trans_no = 0;
+			// set new sales document defaults here
+			$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);
+		}
+	}
+
+	//-------------------------------------------------------------------------
+	// Writing new/modified sales document to database.
+	// Makes parent documents for direct delivery/invoice by recurent call.
+
+	function write($policy=0) {
+		if (count($this->src_docs) == 0 && ($this->trans_type == 10 || $this->trans_type == 13)) {
+			// direct document -> first add parent
+			$src = $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;
+			// re-read document
+			$this->read($src->trans_type, key($src->trans_no), true);
+
+			$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) : $src->order_no;
+		}
+		switch($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, $discount)
 	{
-		if (isset($stock_id) && $stock_id != "" && isset($qty)/* && $qty > 0*/)
-		{
-			$this->line_items[] = new line_details($stock_id, $qty, $price, $disc, 
-				$qty_done,  $standard_cost, $description, $id);
+		$this->customer_name = $customer_name;
+		$this->customer_id = $customer_id;
+		$this->default_discount = $discount;
+		$this->customer_currency = $currency;
+	}
+
+	function set_branch($branch_id, $tax_group_id, $tax_group_name, $phone='', $email='')
+	{
+		$this->Branch = $branch_id;
+		$this->phone = $phone;
+		$this->email = $email;
+		$this->tax_group_id = $tax_group_id;
+		$this->tax_group_array = get_tax_group_items_as_array($tax_group_id);
+	}
+
+	function set_sales_type($sales_type, $sales_name, $tax_included=0)
+	{
+		$this->default_sales_type = $sales_type;
+		$this->sales_type_name = $sales_name;
+		$this->tax_included = $tax_included;
+	}
+
+	function set_location($id, $name)
+	{
+		$this->Location = $id;
+		$this->location_name = $name;
+	}
+
+	function set_delivery($shipper, $destination, $address, $freight_cost=null)
+	{
+		$this->ship_via = $shipper;
+		$this->deliver_to = $destination;
+		$this->delivery_address = $address;
+		if (isset($freight_cost))
+			$this->freight_cost = $freight_cost;
+	}
+
+	function add_to_cart($line_no,$stock_id, $qty, $price, $disc, $qty_done=0, $standard_cost=0, $description=null, $id=0, $src_no=0)
+	{
+		if (isset($stock_id) && $stock_id != "" && isset($qty)/* && $qty > 0*/)	{
+			$this->line_items[$line_no] = new line_details($stock_id, $qty, $price, $disc,
+				$qty_done,  $standard_cost, $description, $id, $src_no);
 			return 1;
-		}
-		else
-		{
+		} else {
 			// shouldn't come here under normal circumstances
 			display_db_error("unexpected - adding an invalid item or null quantity", "", true);
 		}
@@ -76,13 +228,12 @@ class cart
 	function update_cart_item($line_no, $qty, $price, $disc)
 	{
 
-		if ($qty > 0)
-		{
-			$this->line_items[$line_no]->quantity = $qty;
-		}
+		$this->line_items[$line_no]->quantity = $qty;
+		$this->line_items[$line_no]->qty_dispatched = $qty;
 		$this->line_items[$line_no]->price = $price;
 		$this->line_items[$line_no]->discount_percent = $disc;
 	}
+
 	function update_add_cart_item_qty($line_no, $qty)
 	{
 		$this->line_items[$line_no]->quantity += $qty;
@@ -90,12 +241,12 @@ class cart
 
 	function remove_from_cart($line_no)
 	{
-			unset($this->line_items[$line_no]);
+		unset($this->line_items[$line_no]);
 	}
 
 	function clear_items()
 	{
-    	unset($this->line_items);
+		unset($this->line_items);
 		$this->line_items = array();
 		$this->default_sales_type = "";
 		$this->trans_no = 0;
@@ -104,64 +255,50 @@ class cart
 
 	function count_items()
 	{
-	  $counter=0;
-	  foreach($this->line_items as $line) {
-		if($line->quantity>$line->qty_done) $counter++;
-	  }
+		$counter=0;
+		foreach ($this->line_items as $line) {
+			if ($line->quantity!=$line->qty_done) $counter++;
+		}
 		return $counter;
 	}
 
-	function get_items_total_dispatch($tax_group_id=null)
+	function get_items_total()
 	{
 		$total = 0;
 
-		// preload the taxgroup !
-		if ($tax_group_id != null)
-			$tax_group_array = get_tax_group_items_as_array($tax_group_id);
-		else
-			$tax_group_array = null;
-
-		foreach ($this->line_items as $ln_itm)
-		{
-			$total += ($ln_itm->qty_dispatched * $ln_itm->taxfree_price($tax_group_id, $tax_group_array) * (1 - $ln_itm->discount_percent));
+		foreach ($this->line_items as $ln_itm) {
+			$price = $ln_itm->line_price();
+			$total += ($ln_itm->quantity * $price * (1 - $ln_itm->discount_percent));
 		}
 		return $total;
 	}
 
-	function has_items_dispatch()
+	function get_items_total_dispatch()
 	{
-		foreach ($this->line_items as $ln_itm)
-		{
-			if ($ln_itm->qty_dispatched > 0)
-				return true;
+		$total = 0;
+
+		foreach ($this->line_items as $ln_itm) {
+			$price = $ln_itm->line_price();
+			$total += ($ln_itm->qty_dispatched * $price * (1 - $ln_itm->discount_percent));
 		}
-		return false;
+		return $total;
 	}
 
-	function get_items_total($tax_group_id=null)
+	function has_items_dispatch()
 	{
-		$total = 0;
-
-		// preload the taxgroup !
-		if ($tax_group_id != null)
-			$tax_group_array = get_tax_group_items_as_array($tax_group_id);
-		else
-			$tax_group_array = null;
-
 		foreach ($this->line_items as $ln_itm) {
-			$total += ($ln_itm->quantity * $ln_itm->taxfree_price($tax_group_id, $tax_group_array) * (1 - $ln_itm->discount_percent));
+			if ($ln_itm->qty_dispatched > 0)
+				return true;
 		}
-		return $total;
+		return false;
 	}
 
 	function any_already_delivered()
 	{
-		/* Checks if there have been deliveries of line items */
+		/* Checks if there have been any line item processed */
 
-		foreach ($this->line_items as $stock_item)
-		{
-			if ($stock_item->qty_done !=0)
-			{
+		foreach ($this->line_items as $stock_item) {
+			if ($stock_item->qty_done !=0) {
 				return 1;
 			}
 		}
@@ -173,42 +310,63 @@ class cart
 	function some_already_delivered($line_no)
 	{
 		/* Checks if there have been deliveries of a specific line item */
-		if (isset($this->line_items[$line_no]) && 
-			$this->line_items[$line_no]->qty_done != 0)
-		{
+		if (isset($this->line_items[$line_no]) &&
+			$this->line_items[$line_no]->qty_done != 0) {
 			return 1;
 		}
 		return 0;
 	}
 
-    function get_taxes($tax_group_id=null, $shipping_cost=0)
-    {
-    	$items = array();
-    	$prices = array();
+	function get_taxes($shipping_cost=null)
+	{
+		$items = array();
+		$prices = array();
+		if($shipping_cost==null)
+			$shipping_cost = $this->freight_cost;
 
-        if ($tax_group_id == null)
-        	$tax_group_id = $this->tax_group_id;
+		foreach ($this->line_items as $ln_itm) {
+			$items[] = $ln_itm->stock_id;
+			$prices[] = ($ln_itm->qty_dispatched *
+				$ln_itm->line_price()* (1 - $ln_itm->discount_percent));
+		}
 
-		// preload the taxgroup !
-		$tax_group_array = get_tax_group_items_as_array($tax_group_id);
+		$taxes = get_tax_for_items($items, $prices, $shipping_cost,
+		$this->tax_group_id, $this->tax_included,  $this->tax_group_array);
 
-        foreach ($this->line_items as $ln_itm)
-        {
-        		$items[] = $ln_itm->stock_id;
-        		$prices[] = ($ln_itm->qty_dispatched * $ln_itm->taxfree_price($tax_group_id, $tax_group_array) * (1 - $ln_itm->discount_percent));
-        }
+		return $taxes;
+	}
 
 
-        $taxes = get_tax_for_items($items, $prices, $shipping_cost, $tax_group_id, $tax_group_array);
+	function get_tax_free_shipping() {
 
-        return $taxes;
-    }
+		if ($this->tax_included==0)
+			return $this->freight_cost;
+		else
+			return ($this->freight_cost - $this->get_shipping_tax());
+	}
+
+	function get_shipping_tax() {
+
+		$tax_items = get_shipping_tax_as_array();
+		$tax_rate = 0;
+		if ($tax_items != null) {
+			foreach ($tax_items as $item_tax) {
+				$index = $item_tax['tax_type_id'];
+				if (isset($this->tax_group_array[$index])) {
+					$tax_rate += $item_tax['rate'];
+				}
+			}
+		}
+		if($this->tax_included)
+			return $this->freight_cost*$tax_rate/($tax_rate+100);
+		else
+			return $this->freight_cost*$tax_rate/100;
+	}
 
 } /* end of class defintion */
 
 class line_details
 {
-	var $line_no;
 	var $id;
 	var $stock_id;
 	var $item_description;
@@ -216,20 +374,22 @@ class line_details
 	var $mb_flag;
 	var $tax_type;
 	var $tax_type_name;
-
+	var $src_no;	// number of src doc for this line
 	var $quantity;
 	var $price;
 	var $discount_percent;
-	var $qty_done;	// quantity processed so far
-	var $qty_dispatched; // quantity selected to process 
+	var $qty_done;	// quantity processed on child documents
+	var $qty_dispatched; // quantity selected to process
+	var $qty_old=0;	// quantity dispatched before edition
 	var $standard_cost;
 
-	function line_details ($stock_id, $qty, $prc, $disc_percent,  
-		$qty_done, $standard_cost, $description, $id=0)
+	function line_details ($stock_id, $qty, $prc, $disc_percent,
+		$qty_done, $standard_cost, $description, $id=0, $src_no=0 )
 	{
 	/* Constructor function to add a new LineDetail object with passed params */
 
 		$this->id = $id;
+		$this->src_no = $src_no;
 		$item_row = get_item($stock_id);
 
 		if ($item_row == null)
@@ -247,23 +407,18 @@ class line_details
 
 		$this->stock_id = $stock_id;
 		$this->quantity = $qty;
+		$this->qty_dispatched = $qty;
 		$this->price = $prc;
 		$this->discount_percent = $disc_percent;
 		$this->qty_done = $qty_done;
 		$this->standard_cost = $standard_cost;
 	}
 
-	function full_price()
+	// get unit price as stated on document
+	function line_price()
 	{
 		return $this->price;
 	}
-
-	function taxfree_price($tax_group_id, $tax_group_array=null)
-	{
-		if ($tax_group_id==null)
-			return $this->price;
-		return get_tax_free_price_for_item($this->stock_id, $this->price, $tax_group_id, $tax_group_array);
-	}
 }
 
 ?>