[0004212] Work Order Entry: fixed error when voided WO refence is reused.
[fa-stable.git] / sales / customer_invoice.php
index 27d5d22066f51f125c2e43ad3b6d6f59b4dfb178..e4ab5158322f95ef6fffea1a7f20fdf724a76317 100644 (file)
 <?php
-
-$page_security = 2;
-$path_to_root="..";
+/**********************************************************************
+    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>.
+***********************************************************************/
+//---------------------------------------------------------------------------
+//
+//     Entry/Modify Sales Invoice against single delivery
+//     Entry/Modify Batch Sales Invoice against batch of deliveries
+//
+$page_security = 'SA_SALESINVOICE';
+$path_to_root = "..";
 include_once($path_to_root . "/sales/includes/cart_class.inc");
 include_once($path_to_root . "/includes/session.inc");
-
 include_once($path_to_root . "/includes/data_checks.inc");
-
-include_once($path_to_root . "/includes/manufacturing.inc");
 include_once($path_to_root . "/sales/includes/sales_db.inc");
 include_once($path_to_root . "/sales/includes/sales_ui.inc");
-
+include_once($path_to_root . "/reporting/includes/reporting.inc");
 include_once($path_to_root . "/taxes/tax_calc.inc");
+include_once($path_to_root . "/admin/db/shipping_db.inc");
 
 $js = "";
-if ($use_popup_windows)
+if ($SysPrefs->use_popup_windows) {
        $js .= get_js_open_window(900, 500);
-if ($use_date_picker)
+}
+if (user_use_date_picker()) {
        $js .= get_js_date_picker();
-page(_("Issue an Invoice for Delivery Note(s)"), false, false, "", $js);
+}
 
-//---------------------------------------------------------------------------------------------------------------
+if (isset($_GET['ModifyInvoice'])) {
+       $_SESSION['page_title'] = sprintf(_("Modifying Sales Invoice # %d.") ,$_GET['ModifyInvoice']);
+       $help_context = "Modifying Sales Invoice";
+} elseif (isset($_GET['DeliveryNumber'])) {
+       $_SESSION['page_title'] = _($help_context = "Issue an Invoice for Delivery Note");
+} elseif (isset($_GET['BatchInvoice'])) {
+       $_SESSION['page_title'] = _($help_context = "Issue Batch Invoice for Delivery Notes");
+} elseif (isset($_GET['AllocationNumber']) || isset($_GET['InvoicePrepayments'])) {
+       $_SESSION['page_title'] = _($help_context = "Prepayment or Final Invoice Entry");
+}
+page($_SESSION['page_title'], false, false, "", $js);
+
+//-----------------------------------------------------------------------------
+
+check_edit_conflicts(get_post('cart_id'));
+
+if (isset($_GET['AddedID'])) {
 
-if (isset($_GET['AddedID'])) 
-{
        $invoice_no = $_GET['AddedID'];
-       $trans_type = 10;
+       $trans_type = ST_SALESINVOICE;
 
        display_notification(_("Selected deliveries has been processed"), true);
 
-       display_note(get_customer_trans_view_str($trans_type, $invoice_no, _("View this invoice")), 0, 1);
+       display_note(get_customer_trans_view_str($trans_type, $invoice_no, _("&View This Invoice")), 0, 1);
 
-       display_note(get_gl_view_str($trans_type, $invoice_no, _("View the GL Journal Entries for this Invoice")));
+       display_note(print_document_link($invoice_no."-".$trans_type, _("&Print This Invoice"), true, ST_SALESINVOICE));
+       display_note(print_document_link($invoice_no."-".$trans_type, _("&Email This Invoice"), true, ST_SALESINVOICE, false, "printlink", "", 1),1);
 
-       hyperlink_params("$path_to_root/sales/inquiry/sales_deliveries_view.php", _("Select Another Delivery For Invoicing"), "OutstandingOnly=1");
+       display_note(get_gl_view_str($trans_type, $invoice_no, _("View the GL &Journal Entries for this Invoice")),1);
+
+       hyperlink_params("$path_to_root/sales/inquiry/sales_deliveries_view.php", _("Select Another &Delivery For Invoicing"), "OutstandingOnly=1");
+
+       if (!db_num_rows(get_allocatable_from_cust_transactions(null, $invoice_no, $trans_type)))
+               hyperlink_params("$path_to_root/sales/customer_payments.php", _("Entry &customer payment for this invoice"),
+               "SInvoice=".$invoice_no);
+
+       hyperlink_params("$path_to_root/admin/attachments.php", _("Add an Attachment"), "filterType=$trans_type&trans_no=$invoice_no");
 
        display_footer_exit();
-}
 
-//---------------------------------------------------------------------------------------------------------------
+} elseif (isset($_GET['UpdatedID']))  {
 
-if (!isset($_GET['DeliveryNumber']) && !isset($_SESSION['ProcessingDelivery']) && 
-       !isset($_GET['BatchInvoice']) && !isset($_GET['process_invoice'])) 
-{
-       /* This page can only be called with a delivery for invoicing*/
-       display_error(_("This page can only be opened after delivery selection. Please select delivery to invoicing first."));
+       $invoice_no = $_GET['UpdatedID'];
+       $trans_type = ST_SALESINVOICE;
 
-       hyperlink_no_params("$path_to_root/sales/inquiry/sales_deliveries_view.php", _("Select Delivery to Invoice"));
+       display_notification_centered(sprintf(_('Sales Invoice # %d has been updated.'),$invoice_no));
 
-       end_page();
-       exit;
-} 
-elseif (isset($_GET['DeliveryNumber'])|| isset($_GET['BatchInvoice'])) 
-{
+       display_note(get_trans_view_str(ST_SALESINVOICE, $invoice_no, _("&View This Invoice")));
+       echo '<br>';
+       display_note(print_document_link($invoice_no."-".$trans_type, _("&Print This Invoice"), true, ST_SALESINVOICE));
+       display_note(print_document_link($invoice_no."-".$trans_type, _("&Email This Invoice"), true, ST_SALESINVOICE, false, "printlink", "", 1),1);
 
+       hyperlink_no_params($path_to_root . "/sales/inquiry/customer_inquiry.php", _("Select Another &Invoice to Modify"));
 
-       if (isset($_SESSION['Items']))
-       {
-               unset($_SESSION['Items']->line_items);
-               unset ($_SESSION['Items']);
+       display_footer_exit();
+
+} elseif (isset($_GET['RemoveDN'])) {
+
+       for($line_no = 0; $line_no < count($_SESSION['Items']->line_items); $line_no++) {
+               $line = &$_SESSION['Items']->line_items[$line_no];
+               if ($line->src_no == $_GET['RemoveDN']) {
+                       $line->quantity = $line->qty_done;
+                       $line->qty_dispatched=0;
+               }
        }
+       unset($line);
 
-    if(isset($_GET['BatchInvoice'])) {
-         $_SESSION['ProcessingDelivery'] = $_SESSION['DeliveryBatch'];
-         unset($_SESSION['DeliveryBatch']);
-    }
-    else
-         $_SESSION['ProcessingDelivery'] = array($_GET['DeliveryNumber']);
+    // Remove also src_doc delivery note
+    $sources = &$_SESSION['Items']->src_docs;
+    unset($sources[$_GET['RemoveDN']]);
+}
 
-    $_SESSION['Items'] = new cart('delivery');
-    $_SESSION['Items']->trans_no = $_SESSION['ProcessingDelivery'];
+//-----------------------------------------------------------------------------
+
+if ( (isset($_GET['DeliveryNumber']) && ($_GET['DeliveryNumber'] > 0) )
+       || isset($_GET['BatchInvoice'])) {
+
+       processing_start();
+
+       if (isset($_GET['BatchInvoice'])) {
+               $src = $_SESSION['DeliveryBatch'];
+               unset($_SESSION['DeliveryBatch']);
+       } else {
+               $src = array($_GET['DeliveryNumber']);
+       }
 
        /*read in all the selected deliveries into the Items cart  */
-       if (read_sales_delivery($_SESSION['ProcessingDelivery'], $_SESSION['Items'])) 
-       {
-         if ($_SESSION['Items']->count_items() == 0) 
-         {
-               hyperlink_params($path_to_root . "/sales/inquiry/sales_deliveries_view.php", _("Select a different delivery to invoice"), "OutstandingOnly=1");
-               die ("<br><b>" . _("There are no delivered items with a quantity left to invoice. There is nothing left to invoice.") . "</b>");
-      }
-       } 
-       else 
-       {
-               hyperlink_no_params("/sales_deliveries_view.php", _("Select a delivery note to invoice"));
-               die ("<br><b>" . _("This delivery note could not be retrieved. Please select another delivery.") . "</b>");
+       $dn = new Cart(ST_CUSTDELIVERY, $src, true);
+
+       if ($dn->count_items() == 0) {
+               hyperlink_params($path_to_root . "/sales/inquiry/sales_deliveries_view.php",
+                       _("Select a different delivery to invoice"), "OutstandingOnly=1");
+               die ("<br><b>" . _("There are no delivered items with a quantity left to invoice. There is nothing left to invoice.") . "</b>");
        }
-} 
-else 
-{
-       foreach ($_SESSION['Items']->line_items as $line=>$itm) 
+
+       $_SESSION['Items'] = $dn;
+       copy_from_cart();
+
+} elseif (isset($_GET['ModifyInvoice']) && $_GET['ModifyInvoice'] > 0) {
+
+       check_is_editable(ST_SALESINVOICE, $_GET['ModifyInvoice']);
+
+       processing_start();
+       $_SESSION['Items'] = new Cart(ST_SALESINVOICE, $_GET['ModifyInvoice']);
+
+       if ($_SESSION['Items']->count_items() == 0) {
+               echo"<center><br><b>" . _("All quantities on this invoice has been credited. There is nothing to modify on this invoice") . "</b></center>";
+               display_footer_exit();
+       }
+       copy_from_cart();
+} elseif (isset($_GET['AllocationNumber']) || isset($_GET['InvoicePrepayments'])) {
+
+       check_deferred_income_act(_("You have to set Deferred Income Account in GL Setup to entry prepayment invoices."));
+
+       if (isset($_GET['AllocationNumber']))
        {
-         if(isset($_POST['Line'.$line])) {
-               $line_qty = $_POST['Line'.$line];
-               if (is_numeric($line_qty) && $_POST['Line'.$line] <= ($itm->quantity - $itm->qty_done))
-               {
-                       $_SESSION['Items']->line_items[$line]->qty_dispatched = $line_qty;
-               }
-         }
-       
-         if(isset($_POST['Line'.$line.'Desc'])) {
-               $line_desc = $_POST['Line'.$line.'Desc'];
-               if (strlen($line_desc) > 0) 
+               $payments = array(get_cust_allocation($_GET['AllocationNumber']));
+
+               if (!$payments || ($payments[0]['trans_type_to'] != ST_SALESORDER))
                {
-                       $_SESSION['Items']->line_items[$line]->item_description = $line_desc;
+                       display_error(_("Please select correct Sales Order Prepayment to be invoiced and try again."));
+                       display_footer_exit();
                }
-         }
+               $order_no = $payments[0]['trans_no_to'];
        }
-}
+       else {
+               $order_no = $_GET['InvoicePrepayments'];
+       }
+       processing_start();
 
-//---------------------------------------------------------------------------------------------------------------
+       $_SESSION['Items'] = new cart(ST_SALESORDER, $order_no, ST_SALESINVOICE);
+       $_SESSION['Items']->order_no = $order_no;
+       $_SESSION['Items']->src_docs = array($order_no);
+       $_SESSION['Items']->trans_no = 0;
+       $_SESSION['Items']->trans_type = ST_SALESINVOICE;
 
-function delivery_changed_error()
-{
-       global $path_to_root;
-       display_note(_("This delivery note has been changed or invoiced since this invoice was started to be confirmed. Processing halted."), 1, 0);
-       display_note(_("To enter and confirm this invoice the order must be re-selected and re-read again to update the changes made by the other user."), 1, 0);
+       $_SESSION['Items']->update_payments();
 
-       hyperlink_no_params("$path_to_root/sales/inquiry/sales_deliveries_view.php", _("Select a sales order for invoicing"));
+       copy_from_cart();
+}
+elseif (!processing_active()) {
+       /* This page can only be called with a delivery for invoicing or invoice no for edit */
+       display_error(_("This page can only be opened after delivery selection. Please select delivery to invoicing first."));
 
-       unset($_SESSION['ProcessingDelivery']);
+       hyperlink_no_params("$path_to_root/sales/inquiry/sales_deliveries_view.php", _("Select Delivery to Invoice"));
+
+       end_page();
        exit;
+} elseif (!isset($_POST['process_invoice']) && (!$_SESSION['Items']->is_prepaid() && !check_quantities())) {
+       display_error(_("Selected quantity cannot be less than quantity credited nor more than quantity not invoiced yet."));
 }
 
-//---------------------------------------------------------------------------------------------------------------
+if (isset($_POST['Update'])) {
+       $Ajax->activate('Items');
+}
+if (isset($_POST['_InvoiceDate_changed'])) {
+       $_POST['due_date'] = get_invoice_duedate($_SESSION['Items']->payment, $_POST['InvoiceDate']);
+       $Ajax->activate('due_date');
+}
 
-function check_delivery_changed()
+//-----------------------------------------------------------------------------
+function check_quantities()
 {
-       global $debug;
-
-       /*Now need to check that the delivery note details are the same 
-       as they were when they were read into the Items array.
-       If they've changed then someone else may have invoiced them */
-
-       $sql = "SELECT id, stock_id, quantity, qty_done FROM "
-               .TB_PREF."debtor_trans_details WHERE
-               debtor_trans_type = 13 AND (";
+       $ok =1;
+       foreach ($_SESSION['Items']->line_items as $line_no=>$itm) {
+               if (isset($_POST['Line'.$line_no])) {
+                       if($_SESSION['Items']->trans_no) {
+                               $min = $itm->qty_done;
+                               $max = $itm->quantity;
+                       } else {
+                               $min = 0;
+                               $max = $itm->quantity - $itm->qty_done;
+                       }
+                       if (check_num('Line'.$line_no, $min, $max)) {
+                               $_SESSION['Items']->line_items[$line_no]->qty_dispatched =
+                                   input_num('Line'.$line_no);
+                       }
+                       else {
+                               $ok = 0;
+                       }
+                               
+               }
 
-       foreach($_SESSION['Items']->trans_no as $key=>$num) {
-           if($key!=0) $sql .= ' OR ';
-           $sql .= 'debtor_trans_no =' . $num;
+               if (isset($_POST['Line'.$line_no.'Desc'])) {
+                       $line_desc = $_POST['Line'.$line_no.'Desc'];
+                       if (strlen($line_desc) > 0) {
+                               $_SESSION['Items']->line_items[$line_no]->item_description = $line_desc;
+                       }
+               }
        }
      $sql .= ') ORDER BY id';
-       $result = db_query($sql,"while checking delivery changes");
return $ok;
+}
 
-       if (db_num_rows($result) != count($_SESSION['Items']->line_items))
-       {
+function set_delivery_shipping_sum($delivery_notes) 
+{
+    
+    $shipping = 0;
+    
+    foreach($delivery_notes as $delivery_num) 
+    {
+        $myrow = get_customer_trans($delivery_num, ST_CUSTDELIVERY);
 
-               /*there should be the same number of items returned from this query as there are lines on the invoice -
-                       if not then someone has already invoiced or credited some lines */
-       if ($debug == 1)
-       {
-               display_note($sql, 1, 0);
-               display_note("No rows returned by sql:" . db_num_rows($result), 1, 0);
-               display_note("Count of items in the session " . count($_SESSION['Items']->line_items), 1, 0);
-       }
+        $shipping += $myrow['ov_freight'];
+    }
+    $_POST['ChargeFreightCost'] = price_format($shipping);
+}
 
-               return false;
+
+function copy_to_cart()
+{
+       $cart = &$_SESSION['Items'];
+       $cart->due_date = $cart->document_date =  $_POST['InvoiceDate'];
+       $cart->Comments = $_POST['Comments'];
+       $cart->due_date =  $_POST['due_date'];
+       if (($cart->pos['cash_sale'] || $cart->pos['credit_sale']) && isset($_POST['payment'])) {
+               $cart->payment = $_POST['payment'];
+               $cart->payment_terms = get_payment_terms($_POST['payment']);
        }
-       $line=0;
-       while ($myrow = db_fetch($result)) 
+       if ($_SESSION['Items']->trans_no == 0)
+               $cart->reference = $_POST['ref'];
+       if (!$cart->is_prepaid())
        {
-               $stk_itm = $myrow["stock_id"];
+               $cart->ship_via = $_POST['ship_via'];
+               $cart->freight_cost = input_num('ChargeFreightCost');
+       }
 
-               if ($_SESSION['Items']->line_items[$line]->quantity != -$myrow["quantity"] ||
-                       $_SESSION['Items']->line_items[$line]->qty_done != -$myrow["qty_done"])
-               {
-                       display_note(_("Original delivery for line #") . $line+1 . ' '.
-                               _("has a quantity of") . " " . -$myrow["quantity"] . " " . 
-                               _("and an delivered quantity of") . " " . -$myrow["qty_done"] . "." .
-                               _("Now the quantity of") . " " . 
-                               $_SESSION['Items']->line_items[$line]->quantity . " " . 
-                               _("and invoiced quantity of") . " " . 
-                               $_SESSION['Items']->line_items[$line]->qty_done, 1, 0);
+       $cart->update_payments();
 
-                       return false;
-               }
-       $line++;
-       } /*loop through all line items of the order to ensure none have been invoiced */
-       return true;
+       $cart->dimension_id =  $_POST['dimension_id'];
+       $cart->dimension2_id =  $_POST['dimension2_id'];
 }
+//-----------------------------------------------------------------------------
 
+function copy_from_cart()
+{
+       $cart = &$_SESSION['Items'];
+       $_POST['Comments']= $cart->Comments;
+       $_POST['InvoiceDate']= $cart->document_date;
+       $_POST['ref'] = $cart->reference;
+       $_POST['cart_id'] = $cart->cart_id;
+       $_POST['due_date'] = $cart->due_date;
+       $_POST['payment'] = $cart->payment;
+       if (!$_SESSION['Items']->is_prepaid())
+       {
+               $_POST['ship_via'] = $cart->ship_via;
+               $_POST['ChargeFreightCost'] = price_format($cart->freight_cost);
+       }
+       $_POST['dimension_id'] = $cart->dimension_id;
+       $_POST['dimension2_id'] = $cart->dimension2_id;
+}
 
-//---------------------------------------------------------------------------------------------------------------
+//-----------------------------------------------------------------------------
 
 function check_data()
 {
-       if (!isset($_POST['InvoiceDate']) || !is_date($_POST['InvoiceDate']))   
-       {
+       global $Refs;
+
+       $prepaid = $_SESSION['Items']->is_prepaid();
+
+       if (!isset($_POST['InvoiceDate']) || !is_date($_POST['InvoiceDate'])) {
                display_error(_("The entered invoice date is invalid."));
+               set_focus('InvoiceDate');
                return false;
        }
-       if (!is_date_in_fiscalyear($_POST['InvoiceDate'])) 
-       {
-               display_error(_("The entered invoice date is not in fiscal year."));
+
+       if (!is_date_in_fiscalyear($_POST['InvoiceDate'])) {
+               display_error(_("The entered date is out of fiscal year or is closed for further data entry."));
+               set_focus('InvoiceDate');
                return false;
        }
-       if (!isset($_POST['due_date']) || !is_date($_POST['due_date'])) 
-       {
+
+
+       if (!$prepaid &&(!isset($_POST['due_date']) || !is_date($_POST['due_date'])))   {
                display_error(_("The entered invoice due date is invalid."));
+               set_focus('due_date');
                return false;
        }
 
-       if (!references::is_valid($_POST['ref'])) 
-       {
-               display_error(_("You must enter a reference."));
-               return false;
+       if ($_SESSION['Items']->trans_no == 0) {
+               if (!$Refs->is_valid($_POST['ref'], ST_SALESINVOICE)) {
+                       display_error(_("You must enter a reference."));
+                       set_focus('ref');
+                       return false;
+               }
        }
 
-       if (!is_new_reference($_POST['ref'], 10)
+       if(!$prepaid
        {
-               display_error(_("The entered reference is already in use."));
-               return false;
-       }
-       if ($_POST['ChargeFreightCost'] == "")
-               $_POST['ChargeFreightCost'] = 0;
-       if (!is_numeric($_POST['ChargeFreightCost']) || $_POST['ChargeFreightCost'] < 0)        
-       {
-               display_error(_("The entered shipping value is not numeric."));
-               return false;
-       }
+               if ($_POST['ChargeFreightCost'] == "") {
+                       $_POST['ChargeFreightCost'] = price_format(0);
+               }
 
-       if ($_SESSION['Items']->has_items_dispatch() == 0 && $_POST['ChargeFreightCost'] == 0)  
-       {
-               display_error(_("There are no item quantities on this invoice."));
-               return false;
+               if (!check_num('ChargeFreightCost', 0)) {
+                       display_error(_("The entered shipping value is not numeric."));
+                       set_focus('ChargeFreightCost');
+                       return false;
+               }
+
+               if ($_SESSION['Items']->has_items_dispatch() == 0 && input_num('ChargeFreightCost') == 0) {
+                       display_error(_("There are no item quantities on this invoice."));
+                       return false;
+               }
+
+               if (!check_quantities()) {
+                       display_error(_("Selected quantity cannot be less than quantity credited nor more than quantity not invoiced yet."));
+                       return false;
+               }
+       } else {
+               if (($_SESSION['Items']->payment_terms['days_before_due'] == -1) && !count($_SESSION['Items']->prepayments)) {
+                       display_error(_("There is no non-invoiced payments for this order. If you want to issue final invoice, select delayed or cash payment terms."));
+                       return false;
+               }
        }
 
        return true;
 }
 
-//---------------------------------------------------------------------------------------------------------------
+//-----------------------------------------------------------------------------
+if (isset($_POST['process_invoice']) && check_data()) {
+       $newinvoice=  $_SESSION['Items']->trans_no == 0;
+       copy_to_cart();
 
-function process_invoice($invoicing=false)
-{
-       if ($invoicing) 
+       if ($newinvoice) 
+               new_doc_date($_SESSION['Items']->document_date);
+
+       $invoice_no = $_SESSION['Items']->write();
+       if ($invoice_no == -1)
        {
-               read_sales_delivery($_SESSION['Items']->trans_no, $_SESSION['Items']);
-               $duedate = get_invoice_duedate($_SESSION['Items']->customer_id, $_SESSION['Items']->delivery_date);
-               $invoice_no = add_sales_invoice($_SESSION['Items'],
-                       $_SESSION['Items']->delivery_date, $duedate,
-                       $_SESSION['Items']->tax_group_id, $_SESSION['Items']->freight_cost,
-                       $_SESSION['Items']->Location, $_SESSION['Items']->ship_via,
-                       $_SESSION['Items']->default_sales_type, references::get_next(10),
-                       $_SESSION['Items']->memo_);
-       } 
-       else 
+               display_error(_("The entered reference is already in use."));
+               set_focus('ref');
+       }
+       else
        {
-       
-               if (!check_data())
-                       return;
-
-               if (!check_delivery_changed())
-                       delivery_changed_error();
-
-               $invoice_no = add_sales_invoice($_SESSION['Items'],
-                       $_POST['InvoiceDate'], $_POST['due_date'],
-                       $_SESSION['Items']->tax_group_id,       
-                       $_POST['ChargeFreightCost'], 
-                       $_SESSION['Items']->Location, 
-                       $_POST['ship_via'],     $_POST['sales_type_id'], $_POST['ref'],
-                       $_POST['InvoiceText']); 
-               unset($_SESSION['ProcessingDelivery']);
+               processing_end();
+
+               if ($newinvoice) {
+                       meta_forward($_SERVER['PHP_SELF'], "AddedID=$invoice_no");
+               } else {
+                       meta_forward($_SERVER['PHP_SELF'], "UpdatedID=$invoice_no");
+               }
+       }       
+}
+
+if(list_updated('payment')) {
+       $order = &$_SESSION['Items']; 
+       copy_to_cart();
+       $order->payment = get_post('payment');
+       $order->payment_terms = get_payment_terms($order->payment);
+       $_POST['due_date'] = $order->due_date = get_invoice_duedate($order->payment, $order->document_date);
+       $_POST['Comments'] = '';
+       $Ajax->activate('due_date');
+       $Ajax->activate('options');
+       if ($order->payment_terms['cash_sale']) {
+               $_POST['Location'] = $order->Location = $order->pos['pos_location'];
+               $order->location_name = $order->pos['location_name'];
        }
-       meta_forward($_SERVER['PHP_SELF'], "AddedID=$invoice_no");
 }
 
-//---------------------------------------------------------------------------------------------------------------
-if (isset($_GET['process_invoice']))
-       process_invoice(true);
-elseif (isset($_POST['process_invoice']))
-       process_invoice();
+// find delivery spans for batch invoice display
+$dspans = array();
+$lastdn = ''; $spanlen=1;
 
-//-------------------------------------------------------------------------------------------------
+for ($line_no = 0; $line_no < count($_SESSION['Items']->line_items); $line_no++) {
+       $line = $_SESSION['Items']->line_items[$line_no];
+       if ($line->quantity == $line->qty_done) {
+               continue;
+       }
+       if ($line->src_no == $lastdn) {
+               $spanlen++;
+       } else {
+               if ($lastdn != '') {
+                       $dspans[] = $spanlen;
+                       $spanlen = 1;
+               }
+       }
+       $lastdn = $line->src_no;
+}
+$dspans[] = $spanlen;
+
+//-----------------------------------------------------------------------------
 
-start_form(false, true);
+$is_batch_invoice = count($_SESSION['Items']->src_docs) > 1;
+$prepaid = $_SESSION['Items']->is_prepaid();
 
-start_table("$table_style2 width=80%", 5);
-//echo "<tr><td>"; // outer table
+$is_edition = $_SESSION['Items']->trans_type == ST_SALESINVOICE && $_SESSION['Items']->trans_no != 0;
+start_form();
+hidden('cart_id');
+
+start_table(TABLESTYLE2, "width='80%'", 5);
 
-//start_table("$table_style width=100%");
 start_row();
+$colspan = 1;
+$dim = get_company_pref('use_dimension');
+if ($dim > 0) 
+       $colspan = 3;
 label_cells(_("Customer"), $_SESSION['Items']->customer_name, "class='tableheader2'");
 label_cells(_("Branch"), get_branch_name($_SESSION['Items']->Branch), "class='tableheader2'");
-label_cells(_("Currency"), $_SESSION['Items']->customer_currency, "class='tableheader2'");
+if (($_SESSION['Items']->pos['credit_sale'] || $_SESSION['Items']->pos['cash_sale'])) {
+       $paymcat = !$_SESSION['Items']->pos['cash_sale'] ? PM_CREDIT :
+               (!$_SESSION['Items']->pos['credit_sale'] ? PM_CASH : PM_ANY);
+       label_cells(_("Payment terms:"), sale_payment_list('payment', $paymcat),
+               "class='tableheader2'", "colspan=$colspan");
+} else
+       label_cells(_('Payment:'), $_SESSION['Items']->payment_terms['terms'], "class='tableheader2'", "colspan=$colspan");
+
 end_row();
 start_row();
 
-if (!isset($_POST['ref']))
-       $_POST['ref'] = references::get_next(10);
-
-ref_cells(_("Reference"), 'ref', null, "class='tableheader2'");
-
-label_cells(_("Delivery Notes:"), get_customer_trans_view_str(systypes::cust_dispatch(), $_SESSION['ProcessingDelivery']), "class='tableheader2'");
+if ($_SESSION['Items']->trans_no == 0) {
+       ref_cells(_("Reference"), 'ref', '', null, "class='tableheader2'", false, ST_SALESINVOICE,
+               array('customer' => $_SESSION['Items']->customer_id,
+                       'branch' => $_SESSION['Items']->Branch,
+                       'date' => get_post('InvoiceDate')));
+} else {
+       label_cells(_("Reference"), $_SESSION['Items']->reference, "class='tableheader2'");
+}
 
+label_cells(_("Sales Type"), $_SESSION['Items']->sales_type_name, "class='tableheader2'");
 
-if (!isset($_POST['sales_type_id']))
-       $_POST['sales_type_id'] = $_SESSION['Items']->default_sales_type;
-label_cell(_("Sales Type"), "class='tableheader2'");   
-sales_types_list_cells(null, 'sales_type_id', $_POST['sales_type_id']);
+label_cells(_("Currency"), $_SESSION['Items']->customer_currency, "class='tableheader2'");
+if ($dim > 0) {
+       label_cell(_("Dimension").":", "class='tableheader2'");
+       $_POST['dimension_id'] = $_SESSION['Items']->dimension_id;
+       dimensions_list_cells(null, 'dimension_id', null, true, ' ', false, 1, false);
+}              
+else
+       hidden('dimension_id', 0);
 
 end_row();
 start_row();
 
-if (!isset($_POST['ship_via']))
+if (!isset($_POST['ship_via'])) {
        $_POST['ship_via'] = $_SESSION['Items']->ship_via;
-label_cell(_("Shipping Company"), "class='tableheader2'");     
-shippers_list_cells(null, 'ship_via', $_POST['ship_via']);
-
-if (!isset($_POST['InvoiceDate']) || !is_date($_POST['InvoiceDate']))
+}
+label_cell(_("Shipping Company"), "class='tableheader2'");
+if ($prepaid)
 {
-       $_POST['InvoiceDate'] = Today();
-       if (!is_date_in_fiscalyear($_POST['InvoiceDate']))
+       $shipper = get_shipper($_SESSION['Items']->ship_via);
+       label_cells(null, $shipper['shipper_name']);
+} else
+       shippers_list_cells(null, 'ship_via', $_POST['ship_via']);
+
+if (!isset($_POST['InvoiceDate']) || !is_date($_POST['InvoiceDate'])) {
+       $_POST['InvoiceDate'] = new_doc_date();
+       if (!is_date_in_fiscalyear($_POST['InvoiceDate'])) {
                $_POST['InvoiceDate'] = end_fiscalyear();
+       }
 }
 
-date_cells(_("Date"), 'InvoiceDate', $_POST['InvoiceDate'], 0, 0, 0, "class='tableheader'");
-//end_table();
+date_cells(_("Date"), 'InvoiceDate', '', $_SESSION['Items']->trans_no == 0, 
+       0, 0, 0, "class='tableheader2'", true);
 
-//echo "</td><td>";// outer table
+if (!isset($_POST['due_date']) || !is_date($_POST['due_date'])) {
+       $_POST['due_date'] = get_invoice_duedate($_SESSION['Items']->payment, $_POST['InvoiceDate']);
+}
 
-//start_table("$table_style width=90%");
+date_cells(_("Due Date"), 'due_date', '', null, 0, 0, 0, "class='tableheader2'");
+if ($dim > 1) {
+       label_cell(_("Dimension")." 2:", "class='tableheader2'");
+       $_POST['dimension2_id'] = $_SESSION['Items']->dimension2_id;
+       dimensions_list_cells(null, 'dimension2_id', null, true, ' ', false, 2, false);
+}              
+else
+       hidden('dimension2_id', 0);
+end_row();
+end_table();
 
-if (!isset($_POST['due_date']) || !is_date($_POST['due_date']))
+$row = get_customer_to_order($_SESSION['Items']->customer_id);
+if ($row['dissallow_invoices'] == 1)
+{
+       display_error(_("The selected customer account is currently on hold. Please contact the credit control personnel to discuss."));
+       end_form();
+       end_page();
+       exit();
+}      
 
-       $_POST['due_date'] = get_invoice_duedate($_SESSION['Items']->customer_id, $_POST['InvoiceDate']);
+display_heading($prepaid ? _("Sales Order Items") : _("Invoice Items"));
 
-date_cells(_("Due Date"), 'due_date', $_POST['due_date'], 0, 0, 0, "class='tableheader'");
-//end_table();
+div_start('Items');
 
-//echo "</td></tr>";
-end_row();
-end_table(); // outer table
+start_table(TABLESTYLE, "width='80%'");
+if ($prepaid)
+       $th = array(_("Item Code"), _("Item Description"), _("Units"), _("Quantity"),
+               _("Price"), _("Tax Type"), _("Discount"), _("Total"));
+else
+       $th = array(_("Item Code"), _("Item Description"), _("Delivered"), _("Units"), _("Invoiced"),
+               _("This Invoice"), _("Price"), _("Tax Type"), _("Discount"), _("Total"));
 
-display_heading(_("Invoice Items"));
+if ($is_batch_invoice) {
+    $th[] = _("DN");
+    $th[] = "";
+}
+
+if ($is_edition) {
+    $th[4] = _("Credited");
+}
 
-start_table("$table_style width=80%");
-$th = array(_("Item Code"), _("Item Description"), _("Delivered"), _("Units"), _("Invoiced"),
-       _("This Invoice"), _("Price"), _("Tax Type"), _("Discount"), _("Total"));
 table_header($th);
 $k = 0;
 $has_marked = false;
 $show_qoh = true;
 
-foreach ($_SESSION['Items']->line_items as $line=>$ln_itm) 
-{
-       if($ln_itm->quantity==$ln_itm->qty_done) continue; //this line is fully delivered
-       alt_table_row_color($k);
-
-       view_stock_status_cell($ln_itm->stock_id); // ?
+$dn_line_cnt = 0;
 
-       text_cells(null, 'Line'.$line.'Desc', $ln_itm->item_description, 30, 50);
-       qty_cell($ln_itm->quantity);
+foreach ($_SESSION['Items']->line_items as $line=>$ln_itm) {
+       if (!$prepaid && ($ln_itm->quantity == $ln_itm->qty_done)) {
+               continue; // this line was fully invoiced
+       }
+       alt_table_row_color($k);
+       view_stock_status_cell($ln_itm->stock_id);
+
+       if ($prepaid)
+               label_cell($ln_itm->item_description);
+       else
+               text_cells(null, 'Line'.$line.'Desc', $ln_itm->item_description, 30, 50);
+       $dec = get_qty_dec($ln_itm->stock_id);
+       if (!$prepaid)
+               qty_cell($ln_itm->quantity, false, $dec);
        label_cell($ln_itm->units);
-       qty_cell($ln_itm->qty_done);
-
-       if(count($_SESSION['Items']->trans_no)>1) {
-           // for batch invoices we can process only whole deliveries
-           qty_cell($ln_itm->qty_dispatched);
-           hidden('Line'.$line,$ln_itm->qty_dispatched );
-       } else
-           text_cells(null, 'Line'.$line, $ln_itm->qty_dispatched, 10, 10);
-
-       $display_discount_percent = number_format2($ln_itm->discount_percent*100,user_percent_dec()) . "%";
+       if (!$prepaid)
+               qty_cell($ln_itm->qty_done, false, $dec);
+
+       if ($is_batch_invoice || $prepaid) {
+               // for batch invoices we can only remove whole deliveries
+               echo '<td nowrap align=right>';
+               hidden('Line' . $line, $ln_itm->qty_dispatched );
+               echo number_format2($ln_itm->qty_dispatched, $dec).'</td>';
+       } else {
+               small_qty_cells(null, 'Line'.$line, qty_format($ln_itm->qty_dispatched, $ln_itm->stock_id, $dec), null, null, $dec);
+       }
+       $display_discount_percent = percent_format($ln_itm->discount_percent*100) . " %";
 
        $line_total = ($ln_itm->qty_dispatched * $ln_itm->price * (1 - $ln_itm->discount_percent));
 
@@ -370,6 +572,16 @@ foreach ($_SESSION['Items']->line_items as $line=>$ln_itm)
        label_cell($display_discount_percent, "nowrap align=right");
        amount_cell($line_total);
 
+       if ($is_batch_invoice) {
+               if ($dn_line_cnt == 0) {
+                       $dn_line_cnt = $dspans[0];
+                       $dspans = array_slice($dspans, 1);
+                       label_cell($ln_itm->src_no, "rowspan=$dn_line_cnt class='oddrow'");
+                       label_cell("<a href='" . $_SERVER['PHP_SELF'] . "?RemoveDN=".
+                               $ln_itm->src_no."'>" . _("Remove") . "</a>", "rowspan=$dn_line_cnt class='oddrow'");
+               }
+               $dn_line_cnt--;
+       }
        end_row();
 }
 
@@ -378,57 +590,81 @@ depending on the business logic required this condition may not be required.
 It seems unfair to charge the customer twice for freight if the order
 was not fully delivered the first time ?? */
 
-if (!isset($_POST['ChargeFreightCost']) || $_POST['ChargeFreightCost'] == "") 
-{
-    if ($_SESSION['Items']->any_already_delivered() == 1) 
-    {
-       $_POST['ChargeFreightCost'] = 0;
-    } 
-    else 
-    {
-       $_POST['ChargeFreightCost'] = $_SESSION['Items']->freight_cost;
-    }
-    if (!is_numeric($_POST['ChargeFreightCost']))
-    {
-       $_POST['ChargeFreightCost'] = 0;
-    }
+if (!isset($_POST['ChargeFreightCost']) || $_POST['ChargeFreightCost'] == "") {
+       if ($_SESSION['Items']->any_already_delivered() == 1) {
+               $_POST['ChargeFreightCost'] = price_format(0);
+       } else {
+               $_POST['ChargeFreightCost'] = price_format($_SESSION['Items']->freight_cost);
+       }
+
+       if (!check_num('ChargeFreightCost')) {
+               $_POST['ChargeFreightCost'] = price_format(0);
+       }
 }
 
-start_row();
+$accumulate_shipping = get_company_pref('accumulate_shipping');
+if ($is_batch_invoice && $accumulate_shipping)
+       set_delivery_shipping_sum(array_keys($_SESSION['Items']->src_docs));
 
-small_amount_cells(_("Shipping Cost"), 'ChargeFreightCost', null, "colspan=9 align=right");
+$colspan = $prepaid ? 7:9;
+start_row();
+label_cell(_("Shipping Cost"), "colspan=$colspan align=right");
+if ($prepaid)
+       label_cell($_POST['ChargeFreightCost'], 'align=right');
+else
+       small_amount_cells(null, 'ChargeFreightCost', null);
+if ($is_batch_invoice) {
+label_cell('', 'colspan=2');
+}
 
+end_row();
 $inv_items_total = $_SESSION['Items']->get_items_total_dispatch();
 
-$display_sub_total = number_format2($inv_items_total + $_POST['ChargeFreightCost'],user_price_dec());
+$display_sub_total = price_format($inv_items_total + input_num('ChargeFreightCost'));
 
-label_row(_("Sub-total"), $display_sub_total, "colspan=9 align=right","align=right");
+label_row(_("Sub-total"), $display_sub_total, "colspan=$colspan align=right","align=right", $is_batch_invoice ? 2 : 0);
 
-$taxes = $_SESSION['Items']->get_taxes($_SESSION['Items']->tax_group_id, $_POST['ChargeFreightCost']);
-$tax_total = display_edit_tax_items($taxes, 9);
+$taxes = $_SESSION['Items']->get_taxes(input_num('ChargeFreightCost'));
+$tax_total = display_edit_tax_items($taxes, $colspan, $_SESSION['Items']->tax_included, $is_batch_invoice ? 2 : 0);
 
-$display_total = number_format2(($inv_items_total + $_POST['ChargeFreightCost'] + $tax_total), user_price_dec());
+$display_total = price_format(($inv_items_total + input_num('ChargeFreightCost') + $tax_total));
 
-label_row(_("Invoice Total"), $display_total, "colspan=9 align=right","align=right");
+label_row(_("Invoice Total"), $display_total, "colspan=$colspan align=right","align=right", $is_batch_invoice ? 2 : 0);
 
 end_table(1);
+div_end();
+div_start('options');
+start_table(TABLESTYLE2);
+if ($prepaid)
+{
+
+       label_row(_("Sales order:"), get_trans_view_str(ST_SALESORDER, $_SESSION['Items']->order_no, get_reference(ST_SALESORDER, $_SESSION['Items']->order_no)));
 
-//if ($has_marked)
-//     display_note(_("Marked items have insufficient quantities in stock."), 0, 1, "class='red'");
+       $list = array(); $allocs = 0;
+       if (count($_SESSION['Items']->prepayments))
+       {
+               foreach($_SESSION['Items']->prepayments as $pmt)
+               {
+                       $list[] = get_trans_view_str($pmt['trans_type_from'], $pmt['trans_no_from'], get_reference($pmt['trans_type_from'], $pmt['trans_no_from']));
+                       $allocs += $pmt['amt'];
+               }
+       }
 
-start_table($table_style2);
+       label_row(_("Payments received:"), implode(',', $list));
+       label_row(_("Invoiced here:"), price_format($_SESSION['Items']->prep_amount), 'class=label');
+       label_row(_("Left to be invoiced:"), price_format($_SESSION['Items']->get_trans_total()-max($_SESSION['Items']->prep_amount, $allocs)), 'class=label');
+}
 
-textarea_row(_("Memo"), 'InvoiceText', null, 50, 4);
+textarea_row(_("Memo:"), 'Comments', null, 50, 4);
 
 end_table(1);
-
-submit_center_first('Update', _("Update"));
-submit_center_last('process_invoice', _("Process Invoice"));
+div_end();
+submit_center_first('Update', _("Update"),
+  _('Refresh document page'), true);
+submit_center_last('process_invoice', _("Process Invoice"),
+  _('Check entered data and save document'), 'default');
 
 end_form();
 
-//---------------------------------------------------------------------------------------------
-
 end_page();
 
-?>