Supplier Invoices, Direct Invoice, Supplier Credit Notes: added editable tax totals...
[fa-stable.git] / purchasing / includes / db / invoice_db.inc
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 include_once($path_to_root . "/purchasing/includes/db/invoice_items_db.inc");
13
14 //--------------------------------------------------------------------------------------------------
15
16 function read_supplier_details_to_trans(&$supp_trans, $supplier_id)
17 {
18         $sql = "SELECT supp.supp_name, terms.terms, terms.days_before_due,
19                 terms.day_in_following_month, supp.tax_included,
20                 supp.tax_group_id, tax_group.name AS tax_group_name,
21                 supp.credit_limit - Sum(IFNULL(ov_amount + ov_gst + ov_discount,0)) as cur_credit
22                 FROM ".TB_PREF."suppliers supp 
23                         LEFT JOIN ".TB_PREF."supp_trans trans ON supp.supplier_id = trans.supplier_id, "
24                         .TB_PREF."payment_terms terms, ".TB_PREF."tax_groups tax_group
25                 WHERE supp.tax_group_id = tax_group.id
26                 AND supp.payment_terms=terms.terms_indicator
27                 AND supp.supplier_id = ".db_escape($supplier_id)." GROUP BY supp.supp_name";
28
29         $result = db_query($sql, "The supplier record selected: " . $supplier_id . " cannot be retrieved");
30
31         $myrow = db_fetch($result);
32
33     $supp_trans->supplier_id = $supplier_id;
34     $supp_trans->tax_included = $myrow['tax_included'];
35     $supp_trans->supplier_name = $myrow['supp_name'];
36         $supp_trans->terms = array( 
37                 'description' => $myrow['terms'],
38                 'days_before_due' => $myrow['days_before_due'], 
39                 'day_in_following_month' => $myrow['day_in_following_month'] );
40
41         $supp_trans->credit = $myrow['cur_credit'];
42
43         $supp_trans->tax_description = $myrow['tax_group_name'];
44         $supp_trans->tax_group_id = $myrow['tax_group_id'];
45
46     if ($supp_trans->tran_date == "")
47     {
48                 $supp_trans->tran_date = Today();
49                 if (!is_date_in_fiscalyear($supp_trans->tran_date))
50                         $supp_trans->tran_date = end_fiscalyear();
51         }
52     //if ($supp_trans->due_date=="") {
53     //  get_duedate_from_terms($supp_trans);
54     //}
55     get_duedate_from_terms($supp_trans);
56 }
57
58 //--------------------------------------------------------------------------------------------------
59
60 function update_supp_received_items_for_invoice($id, $po_detail_item, $qty_invoiced, $chg_price=null)
61 {
62         if ($chg_price != null)
63         {
64                 $sql = "SELECT act_price, unit_price FROM ".TB_PREF."purch_order_details WHERE
65                         po_detail_item = ".db_escape($po_detail_item);
66                 $result = db_query($sql, "The old actual price of the purchase order line could not be retrieved");
67                 $row = db_fetch_row($result);
68                 $ret = $row[0];
69
70                 $unit_price = $row[1]; //Added by Rasmus
71
72                 $sql = "SELECT delivery_date FROM ".TB_PREF."grn_batch,".TB_PREF."grn_items WHERE
73                         ".TB_PREF."grn_batch.id = ".TB_PREF."grn_items.grn_batch_id AND "
74                         .TB_PREF."grn_items.id=".db_escape($id);
75                 $result = db_query($sql, "The old delivery date from the received record cout not be retrieved");
76                 $row = db_fetch_row($result);
77                 $date = $row[0];
78         }
79         else
80         {
81                 $ret = 0;
82                 $date = "";
83                 $unit_price = 0; // Added by Rasmus
84         }
85     $sql = "UPDATE ".TB_PREF."purch_order_details
86                 SET qty_invoiced = qty_invoiced + ".db_escape($qty_invoiced);
87
88         if ($chg_price != null)
89                 $sql .= " , act_price = ".db_escape($chg_price);
90
91         $sql .= " WHERE po_detail_item = ".db_escape($po_detail_item);
92     db_query($sql, "The quantity invoiced of the purchase order line could not be updated");
93
94     $sql = "UPDATE ".TB_PREF."grn_items
95         SET quantity_inv = quantity_inv + ".db_escape($qty_invoiced)."
96         WHERE id = ".db_escape($id);
97         db_query($sql, "The quantity invoiced off the items received record could not be updated");
98         return array($ret, $date, $unit_price);
99 }
100
101 function get_diff_in_home_currency($supplier, $old_date, $date, $amount1, $amount2)
102 {
103         $dec = user_price_dec();
104         price_decimal_format($amount2, $dec);
105         $currency = get_supplier_currency($supplier);
106         $ex_rate = get_exchange_rate_to_home_currency($currency, $old_date);
107         $amount1 = $amount1 / $ex_rate;
108         $ex_rate = get_exchange_rate_to_home_currency($currency, $date);
109         $amount2 = $amount2 / $ex_rate;
110         $diff = $amount2 - $amount1;
111         //return round2($diff, $dec);
112         return $diff;
113 }
114 //----------------------------------------------------------------------------------------
115
116 function add_supp_invoice($supp_trans, $invoice_no=0) // do not receive as ref because we change locally
117 {
118         global $Refs;
119
120         begin_transaction();
121         hook_db_prewrite($supp_trans, $supp_trans->trans_type);
122         $tax_total = 0;
123     $taxes = $supp_trans->get_taxes($supp_trans->tax_group_id);
124
125         $supplier = get_supplier($supp_trans->supplier_id);
126
127     foreach ($taxes as $n => $taxitem)
128     {
129                 $taxes[$n]['Value'] =  round2($taxitem['Value'], user_price_dec());
130         $tax_total += $taxes[$n]['Value'];
131     }
132
133         $invoice_items_total = $supp_trans->get_items_total();
134
135         $item_added_tax = 0;
136     if (!$supp_trans->tax_included)
137     {
138             $taxes = $supp_trans->get_taxes($supp_trans->tax_group_id);
139             foreach ($taxes as $n => $taxitem)
140                         $item_added_tax += isset($taxitem['Override']) ? $taxitem['Override'] : round2($taxitem['Value'], $dec);
141         }
142
143         $trans_type = $supp_trans->trans_type;
144
145         if ($trans_type == ST_SUPPCREDIT)
146         {
147                 // let's negate everything because it's a credit note
148                 $invoice_items_total = -$invoice_items_total;
149                 $tax_total = -$tax_total;
150                 $supp_trans->ov_discount = -$supp_trans->ov_discount; // this isn't used at all...
151                 $item_added_tax = -$item_added_tax;
152         }
153
154     $date_ = $supp_trans->tran_date;
155         $ex_rate = get_exchange_rate_from_home_currency($supplier['curr_code'], $date_);
156
157     /*First insert the invoice into the supp_trans table*/
158         $invoice_id = write_supp_trans($trans_type, 0, $supp_trans->supplier_id, $date_, $supp_trans->due_date,
159                 $supp_trans->reference, $supp_trans->supp_reference,
160                 $invoice_items_total, $item_added_tax, $supp_trans->ov_discount, "", 0, $supp_trans->tax_included);
161
162         $total = 0;
163
164     /* Now the TAX account */
165     $taxes = $supp_trans->get_taxes($supp_trans->tax_group_id, 0, false);
166         $net_diff = 0;
167
168     foreach ($taxes as $taxitem)
169     {
170                 if ($taxitem['Net'] != 0)
171                 {
172                         if (isset($taxitem['Override'])) {
173                                 if ($supp_trans->tax_included) { // if tax included, fix net amount to preserve overall line price
174                                         $net_diff += $taxitem['Override'] - $taxitem['Value'];
175                                         $taxitem['Net'] += $taxitem['Override'] - $taxitem['Value'];
176                                 }
177                                 $taxitem['Value'] = $taxitem['Override'];
178                         }
179                         add_trans_tax_details($trans_type, $invoice_id, 
180                                 $taxitem['tax_type_id'], $taxitem['rate'], $supp_trans->tax_included, $taxitem['Value'],
181                                 $taxitem['Net'], $ex_rate, $date_, $supp_trans->supp_reference);
182
183                         if ($trans_type == ST_SUPPCREDIT)
184                                 $taxitem['Value'] = -$taxitem['Value'];
185                         $total += add_gl_trans_supplier($trans_type, $invoice_id, $date_,
186                                 $taxitem['purchasing_gl_code'], 0, 0, $taxitem['Value'],
187                                 $supp_trans->supplier_id,
188                                 "A general ledger transaction for the tax amount could not be added");
189                 }
190     }
191     if ($trans_type == ST_SUPPCREDIT)
192                 $net_diff = -$net_diff;
193
194     /* Now the AP account */
195     $total += add_gl_trans_supplier($trans_type, $invoice_id, $date_, $supplier["payable_account"], 0, 0,
196                 -($invoice_items_total +  $item_added_tax + $supp_trans->ov_discount),
197                 $supp_trans->supplier_id,
198                 "The general ledger transaction for the control total could not be added");
199
200     foreach ($supp_trans->gl_codes as $entered_gl_code)
201     {
202             /*GL Items are straight forward - just do the debit postings to the GL accounts specified -
203             the credit is to creditors control act  done later for the total invoice value + tax*/
204
205                 if ($trans_type == ST_SUPPCREDIT)
206                         $entered_gl_code->amount = -$entered_gl_code->amount;
207
208                 $memo_ = $entered_gl_code->memo_;
209                 $total += add_gl_trans_supplier($trans_type, $invoice_id, $date_, $entered_gl_code->gl_code,
210                         $entered_gl_code->gl_dim, $entered_gl_code->gl_dim2, $entered_gl_code->amount, $supp_trans->supplier_id, "", 0, $memo_);
211
212                 add_supp_invoice_gl_item($trans_type, $invoice_id, $entered_gl_code->gl_code,
213                         $entered_gl_code->amount, $memo_);
214
215                 // store tax details if the gl account is a tax account
216                 if ($trans_type == ST_SUPPCREDIT)
217                         $entered_gl_code->amount = -$entered_gl_code->amount;
218                 add_gl_tax_details($entered_gl_code->gl_code, 
219                         $trans_type, $invoice_id, $entered_gl_code->amount,
220                         $ex_rate, $date_, $supp_trans->supp_reference, $supp_trans->tax_included);
221     }
222
223     $clearing_act = get_company_pref('grn_clearing_act');
224     foreach ($supp_trans->grn_items as $line_no => $entered_grn)
225     {
226
227         if ($trans_type == ST_SUPPCREDIT)
228         {
229                         $entered_grn->this_quantity_inv = -$entered_grn->this_quantity_inv;
230                         set_grn_item_credited($entered_grn, $supp_trans->supplier_id, $invoice_id, $date_);
231         }
232
233                 // For tax included pricelist the net price is calculated down from tax_included price.
234                 // To avoid rounding errors we have to operate on line value instead of price
235                 // Additionally we have to take into account differences in net value
236                 // due to variations in tax calculations on supplier side. More over there is no direct relation between
237                 // taxes and sales accounts, so we add net_diff just to first posted net value. This is _ugly_hack_
238                 // which save us from rewriting whole routine, and works right only for small tax differences.
239
240                 $taxfree_line = get_tax_free_price_for_item($entered_grn->item_code, $entered_grn->this_quantity_inv * $entered_grn->chg_price, 
241                           $supp_trans->tax_group_id, $supp_trans->tax_included) - $net_diff; $net_diff = 0;
242
243                 $line_tax = get_full_price_for_item($entered_grn->item_code,
244                         $entered_grn->this_quantity_inv * $entered_grn->chg_price, 0, $supp_trans->tax_included) - $taxfree_line;
245
246                 $stock_gl_code = get_stock_gl_code($entered_grn->item_code);
247
248                 $dim = $supplier['dimension_id'] ? $supplier['dimension_id'] : $stock_gl_code['dimension_id'];
249                 $dim2 = $supplier['dimension2_id'] ? $supplier['dimension2_id'] : $stock_gl_code['dimension2_id'];
250         if ($trans_type == ST_SUPPCREDIT)
251                 {
252                         $iv_act = (is_inventory_item($entered_grn->item_code) ? $stock_gl_code["inventory_account"] : 
253                                 ($supplier["purchase_account"] ? $supplier["purchase_account"] : $stock_gl_code["cogs_account"]));
254                         $total += add_gl_trans_supplier($trans_type, $invoice_id, $date_, $iv_act,
255                                 $dim, $dim2, $taxfree_line, $supp_trans->supplier_id);
256                 }
257         else
258         {
259                 // -------------- if price changed since po received.
260                         $iv_act = is_inventory_item($entered_grn->item_code) ? ($clearing_act ? $clearing_act : $stock_gl_code["inventory_account"]) : 
261                                 ($supplier["purchase_account"] ? $supplier["purchase_account"] : $stock_gl_code["cogs_account"]);
262                 $old = update_supp_received_items_for_invoice($entered_grn->id, $entered_grn->po_detail_item,
263                         $entered_grn->this_quantity_inv, $entered_grn->chg_price);
264
265                         // Since the standard cost is always calculated on basis of the po unit_price,
266                         // this is also the price that should be the base of calculating the price diff.
267                         // In cases where there is two different po invoices on the same delivery with different unit prices this will not work either
268
269                         $old_price = $old[2];
270
271                         $old_date = sql2date($old[1]);
272                         if (!is_inventory_item($entered_grn->item_code))
273                                 $total += add_gl_trans_supplier($trans_type, $invoice_id, $date_, $iv_act,
274                                         $dim, $dim2, $taxfree_line, $supp_trans->supplier_id);
275                         else
276                         {
277                                 $ex_rate = get_exchange_rate_from_home_currency($supplier['curr_code'], $old_date);
278                                 $old_value = get_tax_free_price_for_item($entered_grn->item_code, $entered_grn->this_quantity_inv * $old_price, 
279                                           $supp_trans->tax_group_id, $supp_trans->tax_included);
280
281                                 $currency = get_supplier_currency($supp_trans->supplier_id);
282
283                                 $total += add_gl_trans_supplier($trans_type, $invoice_id, $date_, $iv_act,
284                                         $dim, $dim2, $old_value, $supp_trans->supplier_id, "", $ex_rate);
285                                 $diff = get_diff_in_home_currency($supp_trans->supplier_id, $old_date, $date_, $old_value, 
286                                         $taxfree_line);
287
288                                 $mat_cost = update_average_material_cost(null, $entered_grn->item_code,
289                                         $diff/$entered_grn->this_quantity_inv, $entered_grn->this_quantity_inv, null, true);
290
291                                 //Add GL transaction for GRN Provision in case of difference
292                                 if ($diff != 0)
293                                 {
294                                         $total += add_gl_trans($trans_type, $invoice_id, $date_, $stock_gl_code["inventory_account"],
295                                                 $dim, $dim2, 'GRN Provision', $diff, null, null, null,
296                                                 "The general ledger transaction could not be added for the GRN of the inventory item");
297
298                                         //If QOH is 0 or negative then update_average_material_cost will be skipped
299                                         //Thus difference in PO and Supp Invoice should be handled separately
300                                         $qoh = get_qoh_on_date($entered_grn->item_code);
301                                         if ($qoh <= 0)
302                                         {
303                                                 global $Refs;
304
305                                                 $id = get_next_trans_no(ST_JOURNAL);
306                                                 $ref = $Refs->get_next(ST_JOURNAL);
307                                                 $stock_id = $entered_grn->item_code;
308                                                 $stock_gl_code = get_stock_gl_code($stock_id);
309                                                 $memo = _("Supplier invoice adjustment for zero inventory of ").$stock_id." "._("Invoice")." ".$supp_trans->reference;
310                                                 //Reverse the inventory effect if $qoh <=0
311                                                 add_gl_trans_std_cost(ST_JOURNAL, $id, $date_, 
312                                                         $stock_gl_code["inventory_account"],
313                                                         $dim, $dim2, $memo, -$diff);
314                                                 //GL Posting to inventory adjustment account
315                                                 add_gl_trans_std_cost(ST_JOURNAL, $id, $date_, 
316                                                         $stock_gl_code["adjustment_account"],
317                                                         $dim, $dim2, $memo, $diff);
318
319                                                 add_audit_trail(ST_JOURNAL, $id, $date_);
320                                                 add_comments(ST_JOURNAL, $id, $date_, $memo);
321                                                 $Refs->save(ST_JOURNAL, $id, $ref);
322                                         }
323                                 }
324                         }
325                         add_or_update_purchase_data($supp_trans->supplier_id, $entered_grn->item_code, $entered_grn->chg_price); 
326                 }
327
328                 add_supp_invoice_item($trans_type, $invoice_id, $entered_grn->item_code,
329                         $entered_grn->item_description, 0,      $entered_grn->chg_price, $line_tax/$entered_grn->this_quantity_inv,
330                         $entered_grn->this_quantity_inv, $entered_grn->id, $entered_grn->po_detail_item, "");
331     } /* end of GRN postings */
332
333         /*Post a balance post if $total != 0 */
334         add_gl_balance($trans_type, $invoice_id, $date_, -$total, PT_SUPPLIER, $supp_trans->supplier_id); // ??
335
336         add_comments($trans_type, $invoice_id, $date_, $supp_trans->Comments);
337
338         $Refs->save($trans_type, $invoice_id, $supp_trans->reference);
339
340         if ($invoice_no != 0)
341         {
342                 $invoice_alloc_balance = get_supp_trans_allocation_balance(ST_SUPPINVOICE, $invoice_no);
343                 if ($invoice_alloc_balance > 0) 
344                 {       //the invoice is not already fully allocated 
345
346                         $trans = get_supp_trans($invoice_no, ST_SUPPINVOICE);
347                         $total = $trans['Total'];
348
349                         $allocate_amount = ($invoice_alloc_balance > $total) ? $total : $invoice_alloc_balance;
350                         /*Now insert the allocation record if > 0 */
351                         if ($allocate_amount != 0) 
352                         {
353                                 update_supp_trans_allocation(ST_SUPPINVOICE, $invoice_no, $allocate_amount);
354                                 update_supp_trans_allocation(ST_SUPPCREDIT, $invoice_id, $allocate_amount);
355                                 add_supp_allocation($allocate_amount, ST_SUPPCREDIT, $invoice_id, ST_SUPPINVOICE, $invoice_no,
356                                         $date_);
357
358                                 exchange_variation(ST_SUPPCREDIT, $invoice_id, ST_SUPPINVOICE, $invoice_no, $date_,
359                                         $allocate_amount, PT_SUPPLIER);
360                         }
361                 }
362         }
363
364         $supp_trans->trans_no = $invoice_id;
365         hook_db_postwrite($supp_trans, $supp_trans->trans_type);
366     commit_transaction();
367
368     return $invoice_id;
369 }
370
371 //----------------------------------------------------------------------------------------
372
373 // get all the invoices/credits for a given PO - quite long route to get there !
374
375 function get_po_invoices_credits($po_number)
376 {
377         $sql = "SELECT DISTINCT ".TB_PREF."supp_trans.trans_no, ".TB_PREF."supp_trans.type,
378                 ov_amount+ov_discount+ov_gst AS Total,
379                 ".TB_PREF."supp_trans.tran_date
380                 FROM ".TB_PREF."supp_trans, ".TB_PREF."supp_invoice_items, "
381                 .TB_PREF."purch_order_details, ".TB_PREF."purch_orders
382                 WHERE ".TB_PREF."supp_invoice_items.supp_trans_no = ".TB_PREF."supp_trans.trans_no
383                 AND ".TB_PREF."supp_invoice_items.supp_trans_type = ".TB_PREF."supp_trans.type
384                 AND ".TB_PREF."supp_invoice_items.po_detail_item_id = ".TB_PREF."purch_order_details.po_detail_item
385                 AND ".TB_PREF."purch_orders.supplier_id = ".TB_PREF."supp_trans.supplier_id
386                 AND ".TB_PREF."purch_orders.order_no = ".TB_PREF."purch_order_details.order_no
387                 AND ".TB_PREF."purch_order_details.order_no = ".db_escape($po_number);
388
389         return db_query($sql, "The invoices/credits for the po $po_number could not be retreived");
390 }
391
392 //----------------------------------------------------------------------------------------
393 //
394 // Retrieve tax ovverides from tax register.
395 //
396 function get_tax_overrides($trans_type, $trans_no)
397 {
398         $tax_overrides = array();
399         $sql = "SELECT amount, tax_type_id as id, rate
400                 FROM ".TB_PREF."trans_tax_details details
401                 WHERE trans_type=".db_escape($trans_type)." AND trans_no=".db_escape($trans_no)
402                 ." AND amount>0"; // skip reposting of nondeductible VAT
403
404         $result = db_query($sql, 'Cannot retrieve tax overrides');
405         while($row = db_fetch($result))
406         {
407                 $tax_overrides[$row['id']] = $row['amount'];
408         }
409
410         return $tax_overrides;
411 }
412 //----------------------------------------------------------------------------------------
413
414 function read_supp_invoice($trans_no, $trans_type, &$supp_trans)
415 {
416         $sql = "SELECT ".TB_PREF."supp_trans.*, supp_name FROM ".TB_PREF."supp_trans,".TB_PREF."suppliers
417                 WHERE trans_no = ".db_escape($trans_no)." AND type = ".db_escape($trans_type)."
418                 AND ".TB_PREF."suppliers.supplier_id=".TB_PREF."supp_trans.supplier_id";
419         $result = db_query($sql, "Cannot retreive a supplier transaction");
420
421         if (db_num_rows($result) == 1)
422         {
423                 $trans_row = db_fetch($result);
424
425                 $supp_trans->supplier_id = $trans_row["supplier_id"];
426                 $supp_trans->supplier_name = $trans_row["supp_name"];
427                 $supp_trans->tran_date = sql2date($trans_row["tran_date"]);
428                 $supp_trans->due_date = sql2date($trans_row["due_date"]);
429                 $supp_trans->Comments = get_comments_string($trans_type, $trans_no);
430                 $supp_trans->reference = $trans_row["reference"];
431                 $supp_trans->supp_reference = $trans_row["supp_reference"];
432                 $supp_trans->ov_amount = $trans_row["ov_amount"];
433                 $supp_trans->ov_discount = $trans_row["ov_discount"];
434                 $supp_trans->ov_gst = $trans_row["ov_gst"];
435                 $supp_trans->tax_included = $trans_row["tax_included"];
436
437                 $id = $trans_row["trans_no"];
438
439                 $result = get_supp_invoice_items($trans_type, $id);
440
441                 if (db_num_rows($result) > 0)
442                 {
443
444             while ($details_row = db_fetch($result))
445             {
446
447                 if ($details_row["gl_code"] == 0)
448                 {
449                         $supp_trans->add_grn_to_trans($details_row["grn_item_id"], $details_row["po_detail_item_id"], $details_row["stock_id"],
450                                         $details_row["description"], 0, 0, $details_row["quantity"], 0, $details_row["FullUnitPrice"],
451                                         0, 0);
452                 }
453                 else
454                 {
455                         $supp_trans->add_gl_codes_to_trans($details_row["gl_code"], get_gl_account_name($details_row["gl_code"]), 0, 0,
456                                         $details_row["FullUnitPrice"], $details_row["memo_"]);
457                 }
458             }
459                         $supp_trans->tax_overrides = get_tax_overrides($trans_type, $trans_no);
460         }
461         else
462         {
463                         return display_db_error("Invalid supptrans details for supptrans number : $trans_no and type : $trans_type", $sql, true);
464                 }
465
466         }
467         else
468         {
469                 return display_db_error("Invalid supptrans number : $trans_no and type : $trans_type", $sql, true);
470         }
471 }
472
473 //----------------------------------------------------------------------------------------
474
475 function get_matching_invoice_item($stock_id, $po_item_id)
476 {
477         $sql = "SELECT *, tran_date FROM ".TB_PREF."supp_invoice_items, ".TB_PREF."supp_trans
478                 WHERE supp_trans_type = ".ST_SUPPINVOICE." AND stock_id = "
479                 .db_escape($stock_id)." AND po_detail_item_id = ".db_escape($po_item_id)."
480                 AND supp_trans_no = trans_no";
481         $result = db_query($sql, "Cannot retreive supplier transaction detail records");
482         return db_fetch($result);  
483 }
484
485 function void_supp_invoice($type, $type_no)
486 {
487         begin_transaction();
488
489         hook_db_prevoid($type, $type_no);
490         $trans = get_supp_trans($type_no, $type);
491
492         void_bank_trans($type, $type_no, true);
493
494         void_gl_trans($type, $type_no, true);
495
496         void_supp_allocations($type, $type_no);
497
498         void_supp_trans($type, $type_no);
499
500         $result = get_supp_invoice_items($type, $type_no);
501
502         // now remove this invoice/credit from any GRNs/POs that it's related to
503         if (db_num_rows($result) > 0)
504         {
505                 $date_ = Today();
506         while ($details_row = db_fetch($result))
507         {
508                 if ((int)$details_row["grn_item_id"] > 0) // it can be empty for GL items
509                 {
510                         // Changed 2008-10-17 by Joe Hunt to get the avg. material cost updated
511                                 $old = update_supp_received_items_for_invoice($details_row["grn_item_id"],
512                                         $details_row["po_detail_item_id"], -$details_row["quantity"], $details_row["FullUnitPrice"]); 
513                                 
514                                 //$diff = $details_row["FullUnitPrice"] - $old[2];
515                                 $old_date = sql2date($old[1]);
516                                 
517                                 $batch = get_grn_batch_from_item($details_row["grn_item_id"]);  
518                                 $grn = get_grn_batch($batch);
519                         if ($type == ST_SUPPCREDIT) // credit note 2009-06-14 Joe Hunt Must restore the po and grn
520                         {       
521                                         $match = get_matching_invoice_item($details_row["stock_id"], $details_row["po_detail_item_id"]);
522                                         
523                                         //Chaitanya : Skipped costing block & handle in void_stock_move
524                                         // We must get the corresponding invoice item to check for price chg.
525                                         /*if ($match !== false)
526                                                 $mat_cost = update_average_material_cost($grn["supplier_id"], $details_row["stock_id"],  
527                                                         $match["unit_price"], -$details_row["quantity"], sql2date($match['tran_date']), $match['tran_date'] !== $trans['tran_date']);
528                                         else            
529                                                 $mat_cost = update_average_material_cost($grn["supplier_id"], $details_row["stock_id"],  
530                                                         $details_row["FullUnitPrice"], -$details_row["quantity"], $old_date, $old[1] !== $trans['tran_date']);*/
531                                                         
532                                         $sql = "UPDATE ".TB_PREF."purch_order_details
533                                         SET quantity_ordered = quantity_ordered + ".-$details_row["quantity"].", ";
534                                 if ($match !== false)
535                                         $sql .= "act_price=".$match['unit_price'].", ";
536                                 $sql .= "quantity_received = quantity_received + ".-$details_row["quantity"]."
537                                     WHERE po_detail_item = ".$details_row["po_detail_item_id"];
538                                         db_query($sql, "a purchase order details record could not be updated. This receipt of goods has not been processed ");
539                                         $sql = "UPDATE ".TB_PREF."grn_items SET qty_recd=qty_recd+".-$details_row["quantity"]."
540                                                 WHERE id=".$details_row["grn_item_id"];
541                                         db_query($sql);
542                         }
543                         else
544                         {
545                                         $diff = get_diff_in_home_currency($grn["supplier_id"], $old_date, sql2date($trans['tran_date']), $old[2], 
546                                                 $details_row["FullUnitPrice"]);
547                                         // Only adjust the avg for the diff
548                                         $mat_cost = update_average_material_cost(null, $details_row["stock_id"],
549                                                 $diff, -$details_row["quantity"], $old_date, true);
550                                                 
551                                         //Chaitanya : Reverse effect
552                                         //If QOH is 0 or negative then update_average_material_cost will be skipped
553                                         //Thus difference in PO and Supp Invoice should be handled separately
554                                         
555                                         $qoh = get_qoh_on_date($details_row["stock_id"]);
556                                         if ($diff*$details_row["quantity"] !=0 && $qoh <= 0)
557                                         {
558                                                 global $Refs;
559
560                                                 //Chaitanya : Post a journal entry
561                                                 $id = get_next_trans_no(ST_JOURNAL);
562                                                 $ref = $Refs->get_next(ST_JOURNAL);
563                                                 $stock_id = $details_row["stock_id"];
564                                                 $stock_gl_code = get_stock_gl_code($stock_id);
565                                                 $memo = "Reversing Supplier invoice adjustment for zero inventory of ".$stock_id." Invoice: ".$trans['reference'];
566                                                 //Reverse the inventory effect if $qoh <=0
567                                                 add_gl_trans_std_cost(ST_JOURNAL, $id, $old_date, 
568                                                         $stock_gl_code["inventory_account"],
569                                                         $dim, $dim2, $memo, $details_row["quantity"] * $diff);
570                                                 //GL Posting to inventory adjustment account
571                                                 add_gl_trans_std_cost(ST_JOURNAL, $id, $old_date, 
572                                                         $stock_gl_code["adjustment_account"],
573                                                         $dim, $dim2, $memo, -$details_row["quantity"] * $diff);
574                                                 
575                                                 add_audit_trail(ST_JOURNAL, $id, $old_date);
576                                                 add_comments(ST_JOURNAL, $id, $old_date, $memo);
577                                                 $Refs->save(ST_JOURNAL, $id, $ref);                                             
578                                         }       
579                                 }
580                                 /*$deliveries = get_deliveries_between($details_row["stock_id"], $old_date, $date_);
581                                 if ($deliveries[0] != 0) // have deliveries been done during the period?
582                                 {
583                                         update_stock_move_pid(ST_CUSTDELIVERY, $details_row["stock_id"], $old_date, $date_, 0, $mat_cost);
584                                 }
585                                 update_stock_move_pid(ST_SUPPRECEIVE, $details_row["stock_id"], $old_date, $old_date, $grn['supplier_id'], $mat_cost);
586                                 */
587                 }
588         }
589         }
590
591         if ($type == ST_SUPPCREDIT) // void the credits in stock moves
592                 void_stock_move($type, $type_no); 
593         void_supp_invoice_items($type, $type_no);
594         void_trans_tax_details($type, $type_no);
595
596         commit_transaction();
597 }
598
599 //----------------------------------------------------------------------------------------
600 function get_gl_account_info($acc)
601 {
602         $sql = "SELECT account_code, account_name FROM ".TB_PREF."chart_master WHERE account_code=".db_escape($acc);
603         return db_query($sql,"get account information");
604 }
605
606 function is_reference_already_there($supplier_id, $supp_reference, $trans_no=0)
607 {
608         $sql = "SELECT COUNT(*) FROM ".TB_PREF."supp_trans WHERE supplier_id="
609                 .db_escape($supplier_id) . " AND supp_reference=" 
610                 .db_escape($supp_reference) 
611                 . " AND ov_amount!=0"; // ignore voided invoice references
612         if ($trans_no)
613                 $sql .= " AND trans_no!=$trans_no";
614         $result=db_query($sql,"The sql to check for the previous entry of the same invoice failed");
615
616         $myrow = db_fetch_row($result);
617         return $myrow[0] > 0;
618 }
619
620 function remove_not_invoice_item($id)
621 {
622     begin_transaction();
623
624     $myrow = get_grn_item_detail($id);
625
626     $grn = get_grn_batch($myrow['grn_batch_id']);
627     
628     $supp = get_supplier($grn["supplier_id"]);
629
630     $sql = "UPDATE ".TB_PREF."purch_order_details
631         SET quantity_received = qty_invoiced, quantity_ordered = qty_invoiced WHERE po_detail_item = ".$myrow["po_detail_item"];
632     db_query($sql, "The quantity invoiced of the purchase order line could not be updated");
633
634     $sql = "UPDATE ".TB_PREF."grn_items
635         SET qty_recd = quantity_inv WHERE id = ".$myrow["id"];
636     db_query($sql, "The quantity invoiced off the items received record could not be updated");
637
638     update_average_material_cost($grn["supplier_id"], $myrow["item_code"],
639         $myrow["unit_price"], -$myrow["QtyOstdg"], Today());
640         
641     $price = $myrow['unit_price'];
642     if ($supp['tax_included'])
643         $price = get_tax_free_price_for_item($myrow['item_code'], $myrow['unit_price'], $supp['tax_group_id'], $supp['tax_included']);        
644
645     add_stock_move(ST_SUPPRECEIVE, $myrow["item_code"], $myrow['grn_batch_id'], $grn['loc_code'], sql2date($grn["delivery_date"]), "",
646         -$myrow["QtyOstdg"], $myrow['std_cost_unit'], $grn["supplier_id"], 1, $price);
647         
648     $clearing_act = get_company_pref('grn_clearing_act');
649     if ($clearing_act) {    // otherwise GRN clearing account is not used
650         if (is_inventory_item($myrow['item_code']))
651         {
652             $total = 0;
653             $stock_gl_code = get_stock_gl_code($myrow['item_code']);
654             $date = sql2date($grn["delivery_date"]);
655             $total += add_gl_trans_supplier(ST_SUPPRECEIVE, $myrow['grn_batch_id'], $date, $stock_gl_code["inventory_account"],
656                 $stock_gl_code['dimension_id'], $stock_gl_code['dimension2_id'],
657                 -$myrow['QtyOstdg'] * $price, $grn["supplier_id"], "", 0, _("GRN Removal"));
658             $total += add_gl_trans_supplier(ST_SUPPRECEIVE, $myrow['grn_batch_id'], $date, $clearing_act,
659                 0, 0, -$total, null, "", 0, _("GRN Removal"));
660         }    
661     }
662
663     commit_transaction();
664 }
665 ?>