Merged changes from main trunk 2.2.1-2.2.2
[fa-stable.git] / sales / includes / cart_class.inc
index 463b762256a517cca8b7c7e8a9b1e2b48235df01..1ba84ea6137a3c492094a5cfb680fdbea3e5a417 100644 (file)
@@ -1,5 +1,14 @@
 <?php
-
+/**********************************************************************
+    Copyright (C) FrontAccounting, LLC.
+       Released under the terms of the GNU General Public License, GPL, 
+       as published by the Free Software Foundation, either version 3 
+       of the License, or (at your option) any later version.
+    This program is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  
+    See the License here <http://www.gnu.org/licenses/gpl-3.0.html>.
+***********************************************************************/
 /* Definition of the cart class
 this class can hold all the information for:
 
@@ -14,10 +23,10 @@ include_once($path_to_root . "/taxes/tax_calc.inc");
 
 class cart
 {
-       var $trans_type; // invoice, order, delivery note ...
+       var $trans_type; // invoice, order, quotation, 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 $cart_id;           // used to detect multi-tab edition conflits
        var $line_items;  //array of objects of class line_details
 
        var $src_docs = array();        // array of arrays(num1=>ver1,...) or 0 for no src
@@ -54,7 +63,15 @@ class cart
        var $tax_group_id;
        var $tax_group_name;
        var $tax_group_array = null; // saves db queries
-
+       var $price_factor;       // ditto for price calculations
+
+       var     $pos;                   // user assigned POS
+       var $cash;                      // cash transaction
+       var $cash_account;
+       var $account_name;
+       var $cash_discount;     // not used as of FA 2.1
+       var $dimension_id;
+       var $dimension2_id;
        //-------------------------------------------------------------------------
        //
        //  $trans_no==0 => open new/direct document
@@ -65,9 +82,14 @@ class cart
                /*Constructor function initialises a new shopping cart */
                $this->line_items = array();
                $this->sales_type = "";
-               $this->trans_type = 30;
+               if ($type == ST_SALESQUOTE)
+                       $this->trans_type = $type;
+               else    
+                       $this->trans_type = ST_SALESORDER;
+               $this->dimension_id = 0;
+               $this->dimension2_id = 0;
                $this->read($type, $trans_no, $view );
-
+               $this->cart_id = uniqid('');
        }
 
        //-------------------------------------------------------------------------
@@ -75,62 +97,110 @@ class cart
        //
        function read($type, $trans_no = 0, $view=false ) {
 
-               if (!is_array($trans_no)) $trans_no = array($trans_no);
+               global $SysPrefs, $Refs;
 
-               if ($trans_no[0]) {
-                       if ($type == 30) { // sales order
-                               read_sales_order($trans_no[0], $this);
+               if (!is_array($trans_no)) $trans_no = array($trans_no);
+               if ($trans_no[0]) // read old transaction
+               {
+                       if ($type == ST_SALESORDER || $type == ST_SALESQUOTE) { // sales order || sales quotation
+                               read_sales_order($trans_no[0], $this, $type);
                                if ($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 - $line->qty_done;
                                        }
                                }
-                               } else {        // derivative transaction
+                       } else {        // other type of sales transaction
                                        read_sales_trans($type, $trans_no, $this);
                                        if ($this->order_no) { // free hand credit notes have no order_no
-                                               $sodata = get_sales_order_header($this->order_no);
+                                               $sodata = get_sales_order_header($this->order_no, ST_SALESORDER);
                                                $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 || $this->trans_link!=0)) {
+                                       // old derivative transaction edit
+                                       if (!$view && ($type!=ST_CUSTCREDIT || $this->trans_link!=0)) {
                                                $src_type = get_parent_type($type);
-                                               $src_details = 0;
-                                               if ($src_type == 30) { // get src data from sales_orders
+                                               if ($src_type == ST_SALESORDER) { // get src data from sales_orders
                                                        $this->src_docs = array( $sodata['order_no']=>$sodata['version']);
-                                                       $srcdetails = get_sales_order_details($this->order_no);
+                                                       $srcdetails = get_sales_order_details($this->order_no, ST_SALESORDER);
                                                } 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'] - $srcline['qty_done']); // add free qty on src doc
                                                }
-                                       } else {
+                                       } else { // prepare qtys for derivative document entry (not used in display)
                                                for($line_no = 0; $line_no < count($this->line_items); $line_no++) {
                                                        $line = &$this->line_items[$line_no];
-                                                       $line->qty_dispatched = $line->quantity;
+                                                       $line->src_id = $line->id; // save src line ids for update
+                                                       $line->qty_dispatched = $line->quantity - $line->qty_done;
                                                }
                                        }
                                }
-                       } else {
+               } else { // new document
                                $this->trans_type = $type;
                                $this->trans_no = 0;
+                               $this->customer_currency = get_company_currency();
                                // set new sales document defaults here
-                               $this->customer_id = '';
-                               $this->document_date = Today();
+                               if (get_global_customer() != ALL_TEXT)
+                                 $this->customer_id = get_global_customer();
+                               else
+                                 $this->customer_id = '';
+                               $this->document_date =  new_doc_date();
                                if (!is_date_in_fiscalyear($this->document_date))
                                        $this->document_date = end_fiscalyear();
-                               $this->reference = references::get_next($this->trans_type);
+                               $this->reference = $Refs->get_next($this->trans_type);
+                               if ($type != ST_SALESORDER && $type != ST_SALESQUOTE) // 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 == ST_SALESINVOICE) {
+                                 $this->due_date =
+                                       get_invoice_duedate($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
+                                       $this->cash = date_diff2($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, $SysPrefs->default_delivery_required_by());
                        }
        }
 
@@ -139,32 +209,40 @@ class cart
        // 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 || $this->trans_type == 13)) {
+               if (count($this->src_docs) == 0 && ($this->trans_type == ST_SALESINVOICE || $this->trans_type == ST_CUSTDELIVERY)) {
                        // 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->order_no= $this->trans_type==ST_CUSTDELIVERY ? key($src->trans_no) : $src->order_no;
+               }
+               $this->reference = @html_entity_decode($this->reference, ENT_QUOTES);
+               $this->Comments = @html_entity_decode($this->Comments, ENT_QUOTES);
+               foreach($this->line_items as $lineno => $line) {
+                       $this->line_items[$lineno]->stock_id = @html_entity_decode($line->stock_id, ENT_QUOTES);
+                       $this->line_items[$lineno]->item_description = @html_entity_decode($line->item_description, ENT_QUOTES);
                }
                switch($this->trans_type) {
-                       case 10:
+                       case ST_SALESINVOICE:
                                return write_sales_invoice($this);
-                       case 11:
+                       case ST_CUSTCREDIT:
                                return write_credit_note($this, $policy);
-                       case 13:
+                       case ST_CUSTDELIVERY:
                                return write_sales_delivery($this, $policy);
-                       case 30:
+                       case ST_SALESORDER:
+                       case ST_SALESQUOTE:
                                if ($this->trans_no==0) // new document
                                        return add_sales_order($this);
                                else
@@ -172,11 +250,12 @@ class cart
                }
        }
 
-       function set_customer($customer_id, $customer_name, $currency, $discount)
+       function set_customer($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;
        }
 
@@ -189,12 +268,12 @@ class cart
                $this->tax_group_array = get_tax_group_items_as_array($tax_group_id);
        }
 
-       function set_sales_type($sales_type, $sales_name, $tax_included=0)
+       function set_sales_type($sales_type, $sales_name, $tax_included=0, $factor=0)
        {
-           $old_tax_inc = $this->tax_included;
            $this->sales_type = $sales_type;
            $this->sales_type_name = $sales_name;
            $this->tax_included = $tax_included;
+           $this->price_factor = $factor;
        }
 
        function set_location($id, $name)
@@ -225,9 +304,10 @@ class cart
                return 0;
        }
 
-       function update_cart_item($line_no, $qty, $price, $disc)
+       function update_cart_item($line_no, $qty, $price, $disc, $description="")
        {
-
+               if ($description != "")
+                       $this->line_items[$line_no]->item_description = $description;
                $this->line_items[$line_no]->quantity = $qty;
                $this->line_items[$line_no]->qty_dispatched = $qty;
                $this->line_items[$line_no]->price = $price;
@@ -241,7 +321,7 @@ class cart
 
        function remove_from_cart($line_no)
        {
-               unset($this->line_items[$line_no]);
+               array_splice($this->line_items, $line_no, 1);
        }
 
        function clear_items()
@@ -268,7 +348,8 @@ class cart
 
                foreach ($this->line_items as $ln_itm) {
                        $price = $ln_itm->line_price();
-                       $total += ($ln_itm->quantity * $price * (1 - $ln_itm->discount_percent));
+                       $total += round($ln_itm->quantity * $price * (1 - $ln_itm->discount_percent), 
+                          user_price_dec());
                }
                return $total;
        }
@@ -279,7 +360,8 @@ class cart
 
                foreach ($this->line_items as $ln_itm) {
                        $price = $ln_itm->line_price();
-                       $total += ($ln_itm->qty_dispatched * $price * (1 - $ln_itm->discount_percent));
+                       $total += round(($ln_itm->qty_dispatched * $price * (1 - $ln_itm->discount_percent)), 
+                          user_price_dec());
                }
                return $total;
        }
@@ -326,13 +408,19 @@ class cart
 
                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));
+                       $prices[] = round(($ln_itm->qty_dispatched *
+                               $ln_itm->line_price()* (1 - $ln_itm->discount_percent)),  user_price_dec());
                }
 
                $taxes = get_tax_for_items($items, $prices, $shipping_cost,
-               $this->tax_group_id, $this->tax_included,  $this->tax_group_array);
-
+                 $this->tax_group_id, $this->tax_included,  $this->tax_group_array);
+
+    // Adjustment for swiss franken, we always have 5 rappen = 1/20 franken
+    if ($this->customer_currency == 'CHF') {
+                       $val = $taxes['1']['Value'];
+      $val1 = (floatval((intval(round(($val*20),0)))/20));
+                       $taxes['1']['Value'] = $val1;
+               } 
                return $taxes;
        }
 
@@ -360,9 +448,9 @@ class cart
                        }
                }
                if($this->tax_included)
-                       return $this->freight_cost*$tax_rate/($tax_rate+100);
+                       return round($this->freight_cost*$tax_rate/($tax_rate+100),  user_price_dec());
                else
-                       return $this->freight_cost*$tax_rate/100;
+                       return round($this->freight_cost*$tax_rate/100,  user_price_dec());
        }
 
 } /* end of class defintion */
@@ -377,6 +465,7 @@ class line_details
        var $tax_type;
        var $tax_type_name;
        var $src_no;    // number of src doc for this line
+       var $src_id;
        var $quantity;
        var $price;
        var $discount_percent;