Remove test material from source.
[fa-stable.git] / sales / sales_order_entry.php
1 <?php
2 /**********************************************************************
3     Copyright (C) FrontAccounting, LLC.
4         Released under the terms of the GNU General Public License, GPL, 
5         as published by the Free Software Foundation, either version 3 
6         of the License, or (at your option) any later version.
7     This program is distributed in the hope that it will be useful,
8     but WITHOUT ANY WARRANTY; without even the implied warranty of
9     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  
10     See the License here <http://www.gnu.org/licenses/gpl-3.0.html>.
11 ***********************************************************************/
12 //-----------------------------------------------------------------------------
13 //
14 //      Entry/Modify Sales Quotations
15 //      Entry/Modify Sales Order
16 //      Entry Direct Delivery
17 //      Entry Direct Invoice
18 //
19
20 $path_to_root = "..";
21 $page_security = 'SA_SALESORDER';
22
23 include_once($path_to_root . "/sales/includes/cart_class.inc");
24 include_once($path_to_root . "/includes/session.inc");
25 include_once($path_to_root . "/sales/includes/sales_ui.inc");
26 include_once($path_to_root . "/sales/includes/ui/sales_order_ui.inc");
27 include_once($path_to_root . "/sales/includes/sales_db.inc");
28 include_once($path_to_root . "/sales/includes/db/sales_types_db.inc");
29 include_once($path_to_root . "/reporting/includes/reporting.inc");
30
31 set_page_security( @$_SESSION['Items']->trans_type,
32         array(  ST_SALESORDER=>'SA_SALESORDER',
33                         ST_SALESQUOTE => 'SA_SALESQUOTE',
34                         ST_CUSTDELIVERY => 'SA_SALESDELIVERY',
35                         ST_SALESINVOICE => 'SA_SALESINVOICE'),
36         array(  'NewOrder' => 'SA_SALESORDER',
37                         'ModifyOrderNumber' => 'SA_SALESORDER',
38                         'AddedID' => 'SA_SALESORDER',
39                         'UpdatedID' => 'SA_SALESORDER',
40                         'NewQuotation' => 'SA_SALESQUOTE',
41                         'ModifyQuotationNumber' => 'SA_SALESQUOTE',
42                         'NewQuoteToSalesOrder' => 'SA_SALESQUOTE',
43                         'AddedQU' => 'SA_SALESQUOTE',
44                         'UpdatedQU' => 'SA_SALESQUOTE',
45                         'NewDelivery' => 'SA_SALESDELIVERY',
46                         'AddedDN' => 'SA_SALESDELIVERY', 
47                         'NewInvoice' => 'SA_SALESINVOICE',
48                         'AddedDI' => 'SA_SALESINVOICE'
49                         )
50 );
51
52 $js = '';
53
54 if ($SysPrefs->use_popup_windows) {
55         $js .= get_js_open_window(900, 500);
56 }
57
58 if (user_use_date_picker()) {
59         $js .= get_js_date_picker();
60 }
61
62 if (isset($_GET['NewDelivery']) && is_numeric($_GET['NewDelivery'])) {
63
64         $_SESSION['page_title'] = _($help_context = "Direct Sales Delivery");
65         create_cart(ST_CUSTDELIVERY, $_GET['NewDelivery']);
66
67 } elseif (isset($_GET['NewInvoice']) && is_numeric($_GET['NewInvoice'])) {
68
69         create_cart(ST_SALESINVOICE, $_GET['NewInvoice']);
70
71         if (isset($_GET['FixedAsset'])) {
72                 $_SESSION['page_title'] = _($help_context = "Fixed Assets Sale");
73                 $_SESSION['Items']->fixed_asset = true;
74         } else
75                 $_SESSION['page_title'] = _($help_context = "Direct Sales Invoice");
76
77 } elseif (isset($_GET['ModifyOrderNumber']) && is_numeric($_GET['ModifyOrderNumber'])) {
78
79         $help_context = 'Modifying Sales Order';
80         $_SESSION['page_title'] = sprintf( _("Modifying Sales Order # %d"), $_GET['ModifyOrderNumber']);
81         create_cart(ST_SALESORDER, $_GET['ModifyOrderNumber']);
82
83 } elseif (isset($_GET['ModifyQuotationNumber']) && is_numeric($_GET['ModifyQuotationNumber'])) {
84
85         $help_context = 'Modifying Sales Quotation';
86         $_SESSION['page_title'] = sprintf( _("Modifying Sales Quotation # %d"), $_GET['ModifyQuotationNumber']);
87         create_cart(ST_SALESQUOTE, $_GET['ModifyQuotationNumber']);
88
89 } elseif (isset($_GET['NewOrder'])) {
90
91         $_SESSION['page_title'] = _($help_context = "New Sales Order Entry");
92         create_cart(ST_SALESORDER, 0);
93 } elseif (isset($_GET['NewQuotation'])) {
94
95         $_SESSION['page_title'] = _($help_context = "New Sales Quotation Entry");
96         create_cart(ST_SALESQUOTE, 0);
97 } elseif (isset($_GET['NewQuoteToSalesOrder'])) {
98         $_SESSION['page_title'] = _($help_context = "Sales Order Entry");
99         create_cart(ST_SALESQUOTE, $_GET['NewQuoteToSalesOrder']);
100 }
101
102 page($_SESSION['page_title'], false, false, "", $js);
103
104 if (isset($_GET['ModifyOrderNumber']) && is_prepaid_order_open($_GET['ModifyOrderNumber']))
105 {
106         display_error(_("This order cannot be edited because there are invoices or payments related to it, and prepayment terms were used."));
107         end_page(); exit;
108 }
109 if (isset($_GET['ModifyOrderNumber']))
110         check_is_editable(ST_SALESORDER, $_GET['ModifyOrderNumber']);
111 elseif (isset($_GET['ModifyQuotationNumber']))
112         check_is_editable(ST_SALESQUOTE, $_GET['ModifyQuotationNumber']);
113
114 //-----------------------------------------------------------------------------
115
116 if (list_updated('branch_id')) {
117         // when branch is selected via external editor also customer can change
118         $br = get_branch(get_post('branch_id'));
119         $_POST['customer_id'] = $br['debtor_no'];
120         $Ajax->activate('customer_id');
121 }
122
123 if (isset($_GET['AddedID'])) {
124         $order_no = $_GET['AddedID'];
125         display_notification_centered(sprintf( _("Order # %d has been entered."),$order_no));
126
127         submenu_view(_("&View This Order"), ST_SALESORDER, $order_no);
128
129         submenu_print(_("&Print This Order"), ST_SALESORDER, $order_no, 'prtopt');
130         submenu_print(_("&Email This Order"), ST_SALESORDER, $order_no, null, 1);
131         set_focus('prtopt');
132         
133         submenu_option(_("Make &Delivery Against This Order"),
134                 "/sales/customer_delivery.php?OrderNumber=$order_no");
135
136         submenu_option(_("Work &Order Entry"),  "/manufacturing/work_order_entry.php?");
137
138         submenu_option(_("Enter a &New Order"), "/sales/sales_order_entry.php?NewOrder=0");
139
140         submenu_option(_("Add an Attachment"), "/admin/attachments.php?filterType=".ST_SALESORDER."&trans_no=$order_no");
141
142         display_footer_exit();
143
144 } elseif (isset($_GET['UpdatedID'])) {
145         $order_no = $_GET['UpdatedID'];
146
147         display_notification_centered(sprintf( _("Order # %d has been updated."),$order_no));
148
149         submenu_view(_("&View This Order"), ST_SALESORDER, $order_no);
150
151         submenu_print(_("&Print This Order"), ST_SALESORDER, $order_no, 'prtopt');
152         submenu_print(_("&Email This Order"), ST_SALESORDER, $order_no, null, 1);
153         set_focus('prtopt');
154
155         submenu_option(_("Confirm Order Quantities and Make &Delivery"),
156                 "/sales/customer_delivery.php?OrderNumber=$order_no");
157
158         submenu_option(_("Select A Different &Order"),
159                 "/sales/inquiry/sales_orders_view.php?OutstandingOnly=1");
160
161         display_footer_exit();
162
163 } elseif (isset($_GET['AddedQU'])) {
164         $order_no = $_GET['AddedQU'];
165         display_notification_centered(sprintf( _("Quotation # %d has been entered."),$order_no));
166
167         submenu_view(_("&View This Quotation"), ST_SALESQUOTE, $order_no);
168
169         submenu_print(_("&Print This Quotation"), ST_SALESQUOTE, $order_no, 'prtopt');
170         submenu_print(_("&Email This Quotation"), ST_SALESQUOTE, $order_no, null, 1);
171         set_focus('prtopt');
172         
173         submenu_option(_("Make &Sales Order Against This Quotation"),
174                 "/sales/sales_order_entry.php?NewQuoteToSalesOrder=$order_no");
175
176         submenu_option(_("Enter a New &Quotation"),     "/sales/sales_order_entry.php?NewQuotation=0");
177
178         submenu_option(_("Add an Attachment"), "/admin/attachments.php?filterType=".ST_SALESQUOTE."&trans_no=$order_no");
179
180         display_footer_exit();
181
182 } elseif (isset($_GET['UpdatedQU'])) {
183         $order_no = $_GET['UpdatedQU'];
184
185         display_notification_centered(sprintf( _("Quotation # %d has been updated."),$order_no));
186
187         submenu_view(_("&View This Quotation"), ST_SALESQUOTE, $order_no);
188
189         submenu_print(_("&Print This Quotation"), ST_SALESQUOTE, $order_no, 'prtopt');
190         submenu_print(_("&Email This Quotation"), ST_SALESQUOTE, $order_no, null, 1);
191         set_focus('prtopt');
192
193         submenu_option(_("Make &Sales Order Against This Quotation"),
194                 "/sales/sales_order_entry.php?NewQuoteToSalesOrder=$order_no");
195
196         submenu_option(_("Select A Different &Quotation"),
197                 "/sales/inquiry/sales_orders_view.php?type=".ST_SALESQUOTE);
198
199         display_footer_exit();
200 } elseif (isset($_GET['AddedDN'])) {
201         $delivery = $_GET['AddedDN'];
202
203         display_notification_centered(sprintf(_("Delivery # %d has been entered."),$delivery));
204
205         submenu_view(_("&View This Delivery"), ST_CUSTDELIVERY, $delivery);
206
207         submenu_print(_("&Print Delivery Note"), ST_CUSTDELIVERY, $delivery, 'prtopt');
208         submenu_print(_("&Email Delivery Note"), ST_CUSTDELIVERY, $delivery, null, 1);
209         submenu_print(_("P&rint as Packing Slip"), ST_CUSTDELIVERY, $delivery, 'prtopt', null, 1);
210         submenu_print(_("E&mail as Packing Slip"), ST_CUSTDELIVERY, $delivery, null, 1, 1);
211         set_focus('prtopt');
212
213         display_note(get_gl_view_str(ST_CUSTDELIVERY, $delivery, _("View the GL Journal Entries for this Dispatch")),0, 1);
214
215         submenu_option(_("Make &Invoice Against This Delivery"),
216                 "/sales/customer_invoice.php?DeliveryNumber=$delivery");
217
218         if ((isset($_GET['Type']) && $_GET['Type'] == 1))
219                 submenu_option(_("Enter a New Template &Delivery"),
220                         "/sales/inquiry/sales_orders_view.php?DeliveryTemplates=Yes");
221         else
222                 submenu_option(_("Enter a &New Delivery"), 
223                         "/sales/sales_order_entry.php?NewDelivery=0");
224
225         submenu_option(_("Add an Attachment"), "/admin/attachments.php?filterType=".ST_CUSTDELIVERY."&trans_no=$delivery");
226
227         display_footer_exit();
228
229 } elseif (isset($_GET['AddedDI'])) {
230         $invoice = $_GET['AddedDI'];
231
232         display_notification_centered(sprintf(_("Invoice # %d has been entered."), $invoice));
233
234         submenu_view(_("&View This Invoice"), ST_SALESINVOICE, $invoice);
235
236         submenu_print(_("&Print Sales Invoice"), ST_SALESINVOICE, $invoice."-".ST_SALESINVOICE, 'prtopt');
237         submenu_print(_("&Email Sales Invoice"), ST_SALESINVOICE, $invoice."-".ST_SALESINVOICE, null, 1);
238         set_focus('prtopt');
239
240         $row = db_fetch(get_allocatable_from_cust_transactions(null, $invoice, ST_SALESINVOICE));
241         if ($row !== false)
242                 submenu_print(_("Print &Receipt"), $row['type'], $row['trans_no']."-".$row['type'], 'prtopt');
243
244         display_note(get_gl_view_str(ST_SALESINVOICE, $invoice, _("View the GL &Journal Entries for this Invoice")),0, 1);
245
246         if ((isset($_GET['Type']) && $_GET['Type'] == 1))
247                 submenu_option(_("Enter a &New Template Invoice"), 
248                         "/sales/inquiry/sales_orders_view.php?InvoiceTemplates=Yes");
249         else
250                 submenu_option(_("Enter a &New Direct Invoice"),
251                         "/sales/sales_order_entry.php?NewInvoice=0");
252
253         if ($row === false)
254                 submenu_option(_("Entry &customer payment for this invoice"), "/sales/customer_payments.php?SInvoice=".$invoice);
255
256         submenu_option(_("Add an Attachment"), "/admin/attachments.php?filterType=".ST_SALESINVOICE."&trans_no=$invoice");
257
258         display_footer_exit();
259 } else
260         check_edit_conflicts(get_post('cart_id'));
261 //-----------------------------------------------------------------------------
262
263 function copy_to_cart()
264 {
265         $cart = &$_SESSION['Items'];
266
267         $cart->reference = get_post('ref');
268
269         $cart->Comments =  $_POST['Comments'];
270
271         $cart->document_date = $_POST['OrderDate'];
272
273         $newpayment = false;
274
275         if (isset($_POST['payment']) && ($cart->payment != $_POST['payment'])) {
276                 $cart->payment = $_POST['payment'];
277                 $cart->payment_terms = get_payment_terms($_POST['payment']);
278                 $newpayment = true;
279         }
280         if ($cart->payment_terms['cash_sale']) {
281                 if ($newpayment) {
282                         $cart->due_date = $cart->document_date;
283                         $cart->phone = $cart->cust_ref = $cart->delivery_address = '';
284                         $cart->ship_via = 0;
285                         $cart->deliver_to = '';
286                         $cart->prep_amount = 0;
287                 }
288         } else {
289                 $cart->due_date = $_POST['delivery_date'];
290                 $cart->cust_ref = $_POST['cust_ref'];
291                 $cart->deliver_to = $_POST['deliver_to'];
292                 $cart->delivery_address = $_POST['delivery_address'];
293                 $cart->phone = $_POST['phone'];
294                 $cart->ship_via = $_POST['ship_via'];
295                 if (!$cart->trans_no || ($cart->trans_type == ST_SALESORDER && !$cart->is_started()))
296                         $cart->prep_amount = input_num('prep_amount', 0);
297         }
298         $cart->Location = $_POST['Location'];
299         $cart->freight_cost = input_num('freight_cost');
300         if (isset($_POST['email']))
301                 $cart->email =$_POST['email'];
302         else
303                 $cart->email = '';
304         $cart->customer_id      = $_POST['customer_id'];
305         $cart->Branch = $_POST['branch_id'];
306         $cart->sales_type = $_POST['sales_type'];
307
308         if ($cart->trans_type!=ST_SALESORDER && $cart->trans_type!=ST_SALESQUOTE) { // 2008-11-12 Joe Hunt
309                 $cart->dimension_id = $_POST['dimension_id'];
310                 $cart->dimension2_id = $_POST['dimension2_id'];
311         }
312         $cart->ex_rate = input_num('_ex_rate', null);
313 }
314
315 //-----------------------------------------------------------------------------
316
317 function copy_from_cart()
318 {
319         $cart = &$_SESSION['Items'];
320         $_POST['ref'] = $cart->reference;
321         $_POST['Comments'] = $cart->Comments;
322
323         $_POST['OrderDate'] = $cart->document_date;
324         $_POST['delivery_date'] = $cart->due_date;
325         $_POST['cust_ref'] = $cart->cust_ref;
326         $_POST['freight_cost'] = price_format($cart->freight_cost);
327
328         $_POST['deliver_to'] = $cart->deliver_to;
329         $_POST['delivery_address'] = $cart->delivery_address;
330         $_POST['phone'] = $cart->phone;
331         $_POST['Location'] = $cart->Location;
332         $_POST['ship_via'] = $cart->ship_via;
333
334         $_POST['customer_id'] = $cart->customer_id;
335
336         $_POST['branch_id'] = $cart->Branch;
337         $_POST['sales_type'] = $cart->sales_type;
338         $_POST['prep_amount'] = price_format($cart->prep_amount);
339         // POS 
340         $_POST['payment'] = $cart->payment;
341         if ($cart->trans_type!=ST_SALESORDER && $cart->trans_type!=ST_SALESQUOTE) { // 2008-11-12 Joe Hunt
342                 $_POST['dimension_id'] = $cart->dimension_id;
343                 $_POST['dimension2_id'] = $cart->dimension2_id;
344         }
345         $_POST['cart_id'] = $cart->cart_id;
346         $_POST['_ex_rate'] = $cart->ex_rate;
347 }
348 //--------------------------------------------------------------------------------
349
350 function line_start_focus() {
351         global  $Ajax;
352
353         $Ajax->activate('items_table');
354         set_focus('_stock_id_edit');
355 }
356
357 //--------------------------------------------------------------------------------
358 function can_process() {
359
360         global $Refs, $SysPrefs;
361
362         copy_to_cart();
363
364         if (!get_post('customer_id')) 
365         {
366                 display_error(_("There is no customer selected."));
367                 set_focus('customer_id');
368                 return false;
369         } 
370         
371         if (!get_post('branch_id')) 
372         {
373                 display_error(_("This customer has no branch defined."));
374                 set_focus('branch_id');
375                 return false;
376         } 
377         
378         if (!is_date($_POST['OrderDate'])) {
379                 display_error(_("The entered date is invalid."));
380                 set_focus('OrderDate');
381                 return false;
382         }
383         if ($_SESSION['Items']->trans_type!=ST_SALESORDER && $_SESSION['Items']->trans_type!=ST_SALESQUOTE && !is_date_in_fiscalyear($_POST['OrderDate'])) {
384                 display_error(_("The entered date is out of fiscal year or is closed for further data entry."));
385                 set_focus('OrderDate');
386                 return false;
387         }
388         if (count($_SESSION['Items']->line_items) == 0) {
389                 display_error(_("You must enter at least one non empty item line."));
390                 set_focus('AddItem');
391                 return false;
392         }
393         if (!$SysPrefs->allow_negative_stock() && ($low_stock = $_SESSION['Items']->check_qoh()))
394         {
395                 display_error(_("This document cannot be processed because there is insufficient quantity for items marked."));
396                 return false;
397         }
398         if ($_SESSION['Items']->payment_terms['cash_sale'] == 0) {
399                 if (!$_SESSION['Items']->is_started() && ($_SESSION['Items']->payment_terms['days_before_due'] == -1) && ((input_num('prep_amount')<=0) ||
400                         input_num('prep_amount')>$_SESSION['Items']->get_trans_total())) {
401                         display_error(_("Pre-payment required have to be positive and less than total amount."));
402                         set_focus('prep_amount');
403                         return false;
404                 }
405                 if (strlen($_POST['deliver_to']) <= 1) {
406                         display_error(_("You must enter the person or company to whom delivery should be made to."));
407                         set_focus('deliver_to');
408                         return false;
409                 }
410
411                 if ($_SESSION['Items']->trans_type != ST_SALESQUOTE && strlen($_POST['delivery_address']) <= 1) {
412                         display_error( _("You should enter the street address in the box provided. Orders cannot be accepted without a valid street address."));
413                         set_focus('delivery_address');
414                         return false;
415                 }
416
417                 if ($_POST['freight_cost'] == "")
418                         $_POST['freight_cost'] = price_format(0);
419
420                 if (!check_num('freight_cost',0)) {
421                         display_error(_("The shipping cost entered is expected to be numeric."));
422                         set_focus('freight_cost');
423                         return false;
424                 }
425                 if (!is_date($_POST['delivery_date'])) {
426                         if ($_SESSION['Items']->trans_type==ST_SALESQUOTE)
427                                 display_error(_("The Valid date is invalid."));
428                         else    
429                                 display_error(_("The delivery date is invalid."));
430                         set_focus('delivery_date');
431                         return false;
432                 }
433                 if (date1_greater_date2($_POST['OrderDate'], $_POST['delivery_date'])) {
434                         if ($_SESSION['Items']->trans_type==ST_SALESQUOTE)
435                                 display_error(_("The requested valid date is before the date of the quotation."));
436                         else    
437                                 display_error(_("The requested delivery date is before the date of the order."));
438                         set_focus('delivery_date');
439                         return false;
440                 }
441         }
442         else
443         {
444                 if (!db_has_cash_accounts())
445                 {
446                         display_error(_("You need to define a cash account for your Sales Point."));
447                         return false;
448                 }       
449         }       
450         if (!$Refs->is_valid($_POST['ref'], $_SESSION['Items']->trans_type)) {
451                 display_error(_("You must enter a reference."));
452                 set_focus('ref');
453                 return false;
454         }
455         if (!db_has_currency_rates($_SESSION['Items']->customer_currency, $_POST['OrderDate']))
456                 return false;
457         
458         if ($_SESSION['Items']->get_items_total() < 0) {
459                 display_error("Invoice total amount cannot be less than zero.");
460                 return false;
461         }
462
463         if ($_SESSION['Items']->payment_terms['cash_sale'] && 
464                 ($_SESSION['Items']->trans_type == ST_CUSTDELIVERY || $_SESSION['Items']->trans_type == ST_SALESINVOICE)) 
465                 $_SESSION['Items']->due_date = $_SESSION['Items']->document_date;
466         return true;
467 }
468
469 //-----------------------------------------------------------------------------
470
471 if (isset($_POST['update'])) {
472         copy_to_cart();
473         $Ajax->activate('items_table');
474 }
475
476 if (isset($_POST['ProcessOrder']) && can_process()) {
477
478         $modified = ($_SESSION['Items']->trans_no != 0);
479         $so_type = $_SESSION['Items']->so_type;
480
481         $ret = $_SESSION['Items']->write(1);
482         if ($ret == -1)
483         {
484                 display_error(_("The entered reference is already in use."));
485                 $ref = $Refs->get_next($_SESSION['Items']->trans_type, null, array('date' => Today()));
486                 if ($ref != $_SESSION['Items']->reference)
487                 {
488                         unset($_POST['ref']); // force refresh reference
489                         display_error(_("The reference number field has been increased. Please save the document again."));
490                 }
491                 set_focus('ref');
492         }
493         else
494         {
495                 if (count($messages)) { // abort on failure or error messages are lost
496                         $Ajax->activate('_page_body');
497                         display_footer_exit();
498                 }
499                 $trans_no = key($_SESSION['Items']->trans_no);
500                 $trans_type = $_SESSION['Items']->trans_type;
501                 new_doc_date($_SESSION['Items']->document_date);
502                 processing_end();
503                 if ($modified) {
504                         if ($trans_type == ST_SALESQUOTE)
505                                 meta_forward($_SERVER['PHP_SELF'], "UpdatedQU=$trans_no");
506                         else    
507                                 meta_forward($_SERVER['PHP_SELF'], "UpdatedID=$trans_no");
508                 } elseif ($trans_type == ST_SALESORDER) {
509                         meta_forward($_SERVER['PHP_SELF'], "AddedID=$trans_no");
510                 } elseif ($trans_type == ST_SALESQUOTE) {
511                         meta_forward($_SERVER['PHP_SELF'], "AddedQU=$trans_no");
512                 } elseif ($trans_type == ST_SALESINVOICE) {
513                         meta_forward($_SERVER['PHP_SELF'], "AddedDI=$trans_no&Type=$so_type");
514                 } else {
515                         meta_forward($_SERVER['PHP_SELF'], "AddedDN=$trans_no&Type=$so_type");
516                 }
517         }       
518 }
519
520 //--------------------------------------------------------------------------------
521
522 function check_item_data()
523 {
524         global $SysPrefs;
525         
526         $is_inventory_item = is_inventory_item(get_post('stock_id'));
527         if(!get_post('stock_id_text', true)) {
528                 display_error( _("Item description cannot be empty."));
529                 set_focus('stock_id_edit');
530                 return false;
531         }
532         elseif (!check_num('qty', 0) || !check_num('Disc', 0, 100)) {
533                 display_error( _("The item could not be updated because you are attempting to set the quantity ordered to less than 0, or the discount percent to more than 100."));
534                 set_focus('qty');
535                 return false;
536         } elseif (!check_num('price', 0) && (!$SysPrefs->allow_negative_prices() || $is_inventory_item)) {
537                 display_error( _("Price for inventory item must be entered and can not be less than 0"));
538                 set_focus('price');
539                 return false;
540         } elseif (isset($_POST['LineNo']) && isset($_SESSION['Items']->line_items[$_POST['LineNo']])
541             && !check_num('qty', $_SESSION['Items']->line_items[$_POST['LineNo']]->qty_done)) {
542
543                 set_focus('qty');
544                 display_error(_("You attempting to make the quantity ordered a quantity less than has already been delivered. The quantity delivered cannot be modified retrospectively."));
545                 return false;
546         }
547
548         $cost_home = get_unit_cost(get_post('stock_id')); // Added 2011-03-27 Joe Hunt
549         $cost = $cost_home / get_exchange_rate_from_home_currency($_SESSION['Items']->customer_currency, $_SESSION['Items']->document_date);
550         if (input_num('price') < $cost)
551         {
552                 $dec = user_price_dec();
553                 $curr = $_SESSION['Items']->customer_currency;
554                 $price = number_format2(input_num('price'), $dec);
555                 if ($cost_home == $cost)
556                         $std_cost = number_format2($cost_home, $dec);
557                 else
558                 {
559                         $price = $curr . " " . $price;
560                         $std_cost = $curr . " " . number_format2($cost, $dec);
561                 }
562                 display_warning(sprintf(_("Price %s is below Standard Cost %s"), $price, $std_cost));
563         }       
564         return true;
565 }
566
567 //--------------------------------------------------------------------------------
568
569 function handle_update_item()
570 {
571         if ($_POST['UpdateItem'] != '' && check_item_data()) {
572                 $_SESSION['Items']->update_cart_item($_POST['LineNo'],
573                  input_num('qty'), input_num('price'),
574                  input_num('Disc') / 100, $_POST['item_description'] );
575         }
576         page_modified();
577   line_start_focus();
578 }
579
580 //--------------------------------------------------------------------------------
581
582 function handle_delete_item($line_no)
583 {
584     if ($_SESSION['Items']->some_already_delivered($line_no) == 0) {
585             $_SESSION['Items']->remove_from_cart($line_no);
586     } else {
587                 display_error(_("This item cannot be deleted because some of it has already been delivered."));
588     }
589     line_start_focus();
590 }
591
592 //--------------------------------------------------------------------------------
593
594 function handle_new_item()
595 {
596
597         if (!check_item_data()) {
598                         return;
599         }
600         add_to_order($_SESSION['Items'], get_post('stock_id'), input_num('qty'),
601                 input_num('price'), input_num('Disc') / 100, get_post('stock_id_text'));
602
603         unset($_POST['_stock_id_edit'], $_POST['stock_id']);
604         page_modified();
605         line_start_focus();
606 }
607
608 //--------------------------------------------------------------------------------
609
610 function  handle_cancel_order()
611 {
612         global $path_to_root, $Ajax;
613
614
615         if ($_SESSION['Items']->trans_type == ST_CUSTDELIVERY) {
616                 display_notification(_("Direct delivery entry has been cancelled as requested."), 1);
617                 submenu_option(_("Enter a New Sales Delivery"), "/sales/sales_order_entry.php?NewDelivery=1");
618         } elseif ($_SESSION['Items']->trans_type == ST_SALESINVOICE) {
619                 display_notification(_("Direct invoice entry has been cancelled as requested."), 1);
620                 submenu_option(_("Enter a New Sales Invoice"),  "/sales/sales_order_entry.php?NewInvoice=1");
621         } elseif ($_SESSION['Items']->trans_type == ST_SALESQUOTE)
622         {
623                 if ($_SESSION['Items']->trans_no != 0) 
624                         delete_sales_order(key($_SESSION['Items']->trans_no), $_SESSION['Items']->trans_type);
625                 display_notification(_("This sales quotation has been cancelled as requested."), 1);
626                 submenu_option(_("Enter a New Sales Quotation"), "/sales/sales_order_entry.php?NewQuotation=Yes");
627         } else { // sales order
628                 if ($_SESSION['Items']->trans_no != 0) {
629                         $order_no = key($_SESSION['Items']->trans_no);
630                         if (sales_order_has_deliveries($order_no))
631                         {
632                                 close_sales_order($order_no);
633                                 display_notification(_("Undelivered part of order has been cancelled as requested."), 1);
634                                 submenu_option(_("Select Another Sales Order for Edition"), "/sales/inquiry/sales_orders_view.php?type=".ST_SALESORDER);
635                         } else {
636                                 delete_sales_order(key($_SESSION['Items']->trans_no), $_SESSION['Items']->trans_type);
637
638                                 display_notification(_("This sales order has been cancelled as requested."), 1);
639                                 submenu_option(_("Enter a New Sales Order"), "/sales/sales_order_entry.php?NewOrder=Yes");
640                         }
641                 } else {
642                         processing_end();
643                         meta_forward($path_to_root.'/index.php','application=orders');
644                 }
645         }
646         processing_end();
647         display_footer_exit();
648 }
649
650 //--------------------------------------------------------------------------------
651
652 function create_cart($type, $trans_no)
653
654         global $Refs, $SysPrefs;
655
656         if (!$SysPrefs->db_ok) // create_cart is called before page() where the check is done
657                 return;
658
659         processing_start();
660
661         if (isset($_GET['NewQuoteToSalesOrder']))
662         {
663                 $trans_no = $_GET['NewQuoteToSalesOrder'];
664                 $doc = new Cart(ST_SALESQUOTE, $trans_no, true);
665                 $doc->Comments = _("Sales Quotation") . " # " . $trans_no;
666                 $_SESSION['Items'] = $doc;
667         }       
668         elseif($type != ST_SALESORDER && $type != ST_SALESQUOTE && $trans_no != 0) { // this is template
669
670                 $doc = new Cart(ST_SALESORDER, array($trans_no));
671                 $doc->trans_type = $type;
672                 $doc->trans_no = 0;
673                 $doc->document_date = new_doc_date();
674                 if ($type == ST_SALESINVOICE) {
675                         $doc->due_date = get_invoice_duedate($doc->payment, $doc->document_date);
676                         $doc->pos = get_sales_point(user_pos());
677                 } else
678                         $doc->due_date = $doc->document_date;
679                 $doc->reference = $Refs->get_next($doc->trans_type, null, array('date' => Today()));
680                 //$doc->Comments='';
681                 foreach($doc->line_items as $line_no => $line) {
682                         $doc->line_items[$line_no]->qty_done = 0;
683                 }
684                 $_SESSION['Items'] = $doc;
685         } else
686                 $_SESSION['Items'] = new Cart($type, array($trans_no));
687         copy_from_cart();
688 }
689
690 //--------------------------------------------------------------------------------
691
692 if (isset($_POST['CancelOrder']))
693         handle_cancel_order();
694
695 $id = find_submit('Delete');
696 if ($id!=-1)
697         handle_delete_item($id);
698
699 if (isset($_POST['UpdateItem']))
700         handle_update_item();
701
702 if (isset($_POST['AddItem']))
703         handle_new_item();
704
705 if (isset($_POST['CancelItemChanges'])) {
706         line_start_focus();
707 }
708
709 //--------------------------------------------------------------------------------
710 if ($_SESSION['Items']->fixed_asset)
711         check_db_has_disposable_fixed_assets(_("There are no fixed assets defined in the system."));
712 else
713         check_db_has_stock_items(_("There are no inventory items defined in the system."));
714
715 check_db_has_customer_branches(_("There are no customers, or there are no customers with branches. Please define customers and customer branches."));
716
717 if ($_SESSION['Items']->trans_type == ST_SALESINVOICE) {
718         $idate = _("Invoice Date:");
719         $orderitems = _("Sales Invoice Items");
720         $deliverydetails = _("Enter Delivery Details and Confirm Invoice");
721         $cancelorder = _("Cancel Invoice");
722         $porder = _("Place Invoice");
723 } elseif ($_SESSION['Items']->trans_type == ST_CUSTDELIVERY) {
724         $idate = _("Delivery Date:");
725         $orderitems = _("Delivery Note Items");
726         $deliverydetails = _("Enter Delivery Details and Confirm Dispatch");
727         $cancelorder = _("Cancel Delivery");
728         $porder = _("Place Delivery");
729 } elseif ($_SESSION['Items']->trans_type == ST_SALESQUOTE) {
730         $idate = _("Quotation Date:");
731         $orderitems = _("Sales Quotation Items");
732         $deliverydetails = _("Enter Delivery Details and Confirm Quotation");
733         $cancelorder = _("Cancel Quotation");
734         $porder = _("Place Quotation");
735         $corder = _("Commit Quotations Changes");
736 } else {
737         $idate = _("Order Date:");
738         $orderitems = _("Sales Order Items");
739         $deliverydetails = _("Enter Delivery Details and Confirm Order");
740         $cancelorder = _("Cancel Order");
741         $porder = _("Place Order");
742         $corder = _("Commit Order Changes");
743 }
744 start_form();
745
746 hidden('cart_id');
747 $customer_error = display_order_header($_SESSION['Items'], !$_SESSION['Items']->is_started(), $idate);
748
749 if ($customer_error == "") {
750         start_table(TABLESTYLE, "width='80%'", 10);
751         echo "<tr><td>";
752         display_order_summary($orderitems, $_SESSION['Items'], true);
753         echo "</td></tr>";
754         echo "<tr><td>";
755         display_delivery_details($_SESSION['Items']);
756         echo "</td></tr>";
757         end_table(1);
758
759         if ($_SESSION['Items']->trans_no == 0) {
760
761                 submit_center_first('ProcessOrder', $porder,
762                     _('Check entered data and save document'), 'default');
763                 submit_center_last('CancelOrder', $cancelorder,
764                         _('Cancels document entry or removes sales order when editing an old document'));
765                 submit_js_confirm('CancelOrder', _('You are about to void this Document.\nDo you want to continue?'));
766         } else {
767                 submit_center_first('ProcessOrder', $corder,
768                     _('Validate changes and update document'), 'default');
769                 submit_center_last('CancelOrder', $cancelorder,
770                         _('Cancels document entry or removes sales order when editing an old document'));
771                 if ($_SESSION['Items']->trans_type==ST_SALESORDER)
772                         submit_js_confirm('CancelOrder', _('You are about to cancel undelivered part of this order.\nDo you want to continue?'));
773                 else
774                         submit_js_confirm('CancelOrder', _('You are about to void this Document.\nDo you want to continue?'));
775         }
776
777 } else {
778         display_error($customer_error);
779 }
780
781 end_form();
782 end_page();