503ed275e3b165f338d1a32683f9ac1eddc5c868
[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($path_to_root . "/purchasing/includes/db/invoice_items_db.inc");
13 include_once($path_to_root . "/admin/db/attachments_db.inc");
14
15 //--------------------------------------------------------------------------------------------------
16
17 function read_supplier_details_to_trans(&$supp_trans, $supplier_id)
18 {
19         $sql = "SELECT supp.supp_name, terms.terms, terms.days_before_due,
20                 terms.day_in_following_month, supp.tax_included,
21                 supp.tax_group_id, tax_group.name AS tax_group_name,
22                 supp.credit_limit - Sum(IFNULL(IF(trans.type=".ST_SUPPCREDIT.", -1, 1) 
23                         * (ov_amount + ov_gst + ov_discount),0)) as cur_credit
24                 FROM ".TB_PREF."suppliers supp LEFT JOIN "
25                         .TB_PREF."supp_trans trans ON supp.supplier_id = trans.supplier_id, "
26                         .TB_PREF."payment_terms terms, "
27                         .TB_PREF."tax_groups tax_group
28                 WHERE supp.tax_group_id = tax_group.id
29                 AND supp.payment_terms=terms.terms_indicator
30                 AND supp.supplier_id = ".db_escape($supplier_id)." GROUP BY supp.supp_name";
31
32         $result = db_query($sql, "The supplier record selected: " . $supplier_id . " cannot be retrieved");
33
34         $myrow = db_fetch($result);
35
36     if ($supp_trans->tran_date == "")
37     {
38                 $supp_trans->tran_date = Today();
39
40                 if (!is_date_in_fiscalyear($supp_trans->tran_date))
41                         $supp_trans->tran_date = end_fiscalyear();
42         }
43         if ($supp_trans->supplier_id != $supplier_id)
44             get_duedate_from_terms($supp_trans);
45
46     $supp_trans->supplier_id = $supplier_id;
47     $supp_trans->tax_included = $myrow['tax_included'];
48     $supp_trans->supplier_name = $myrow['supp_name'];
49         $supp_trans->terms = array( 
50                 'description' => $myrow['terms'],
51                 'days_before_due' => $myrow['days_before_due'], 
52                 'day_in_following_month' => $myrow['day_in_following_month'] );
53
54         $supp_trans->credit = $myrow['cur_credit'];
55
56         $supp_trans->tax_description = $myrow['tax_group_name'];
57         $supp_trans->tax_group_id = $myrow['tax_group_id'];
58
59 }
60
61 //-------------------------------------------------------------------------------------------------
62 //      Updates invoiced quantity in PO and GRN line, and act_price in PO
63 //  Returns:
64 // if chg_price is set:  previous act_price, delivery date and unit_price from PO
65 //
66 function update_supp_received_items_for_invoice($id, $po_detail_item, $qty_invoiced, $chg_price=null)
67 {
68         if ($chg_price != null)
69         {
70                 $sql = "SELECT act_price, unit_price FROM ".TB_PREF."purch_order_details WHERE
71                         po_detail_item = ".db_escape($po_detail_item);
72                 $result = db_query($sql, "The old actual price of the purchase order line could not be retrieved");
73                 $row = db_fetch($result);
74                 $ret = $row['act_price'];
75
76                 $unit_price = $row['unit_price']; //Added by Rasmus
77
78                 $sql = "SELECT delivery_date 
79                         FROM ".TB_PREF."grn_batch grn,"
80                                 .TB_PREF."grn_items line
81                         WHERE
82                                 grn.id = line.grn_batch_id AND line.id=".db_escape($id);
83                 $result = db_query($sql, "The old delivery date from the received record cout not be retrieved");
84                 $row = db_fetch($result);
85                 $date = $row['delivery_date'];
86         }
87         else
88         {
89                 $ret = 0;
90                 $date = "";
91                 $unit_price = 0; // Added by Rasmus
92         }
93     $sql = "UPDATE ".TB_PREF."purch_order_details
94                 SET qty_invoiced = qty_invoiced + ".db_escape($qty_invoiced);
95
96         if ($chg_price != null)
97                 $sql .= " , act_price = ".db_escape($chg_price);
98
99         $sql .= " WHERE po_detail_item = ".db_escape($po_detail_item);
100     db_query($sql, "The quantity invoiced of the purchase order line could not be updated");
101
102     $sql = "UPDATE ".TB_PREF."grn_items
103         SET quantity_inv = quantity_inv + ".db_escape($qty_invoiced)."
104         WHERE id = ".db_escape($id);
105         db_query($sql, "The quantity invoiced off the items received record could not be updated");
106         return array($ret, $date, $unit_price);
107 }
108
109 function get_diff_in_home_currency($supplier, $old_date, $date, $amount1, $amount2)
110 {
111         $dec = user_price_dec();
112         price_decimal_format($amount2, $dec);
113         $currency = get_supplier_currency($supplier);
114         $ex_rate = get_exchange_rate_to_home_currency($currency, $old_date);
115         $amount1 = $amount1 / $ex_rate;
116         $ex_rate = get_exchange_rate_to_home_currency($currency, $date);
117         $amount2 = $amount2 / $ex_rate;
118         $diff = $amount2 - $amount1;
119         //return round2($diff, $dec);
120         return $diff;
121 }
122 //----------------------------------------------------------------------------------------
123
124 function add_supp_invoice(&$supp_trans)
125 {
126         global $Refs;
127
128         //$company_currency = get_company_currency();
129         $trans_no = $supp_trans->trans_no;
130         $trans_type = $supp_trans->trans_type;
131         $supplier = get_supplier($supp_trans->supplier_id);
132
133         begin_transaction();
134         hook_db_prewrite($supp_trans, $trans_type);
135         $tax_total = 0;
136     $taxes = $supp_trans->get_taxes($supp_trans->tax_group_id);
137         if ($trans_no) {
138                 $allocs = get_payments_for($trans_no, $trans_type, $supp_trans->supplier_id); // save allocations
139                 void_transaction($trans_type, $trans_no, Today(), _("Document reentered."));
140                 $Refs->restore_last($trans_type, $trans_no);
141         } else
142                 $allocs = get_po_prepayments($supp_trans);
143
144         add_new_exchange_rate($supplier['curr_code'], $supp_trans->tran_date, $supp_trans->ex_rate);
145
146     foreach ($taxes as $n => $taxitem)
147     {
148                 $taxes[$n]['Value'] =  round2($taxitem['Value'], user_price_dec());
149         $tax_total += $taxes[$n]['Value'];
150     }
151
152         $invoice_items_total = $supp_trans->get_items_total();
153
154         $item_added_tax = 0;
155     if (!$supp_trans->tax_included)
156     {
157             $taxes = $supp_trans->get_taxes($supp_trans->tax_group_id);
158             foreach ($taxes as $n => $taxitem)
159                         $item_added_tax += isset($taxitem['Override']) ? $taxitem['Override'] : round2($taxitem['Value'], user_price_dec());
160         }
161
162         if ($trans_type == ST_SUPPCREDIT)
163         {
164                 // let's negate everything because it's a credit note
165                 $invoice_items_total = -$invoice_items_total;
166                 $tax_total = -$tax_total;
167                 $supp_trans->ov_discount = -$supp_trans->ov_discount; // this isn't used at all...
168                 $item_added_tax = -$item_added_tax;
169         }
170
171     $date_ = $supp_trans->tran_date;
172         $ex_rate = get_exchange_rate_from_home_currency($supplier['curr_code'], $date_);
173
174     /*First insert the invoice into the supp_trans table*/
175         $invoice_id = write_supp_trans($trans_type, 0, $supp_trans->supplier_id, $date_, $supp_trans->due_date,
176                 $supp_trans->reference, $supp_trans->supp_reference,
177                 $invoice_items_total, $item_added_tax, $supp_trans->ov_discount, "", 0, $supp_trans->tax_included);
178
179         if ($trans_no)
180                 move_trans_attachments($trans_type, $trans_no, $invoice_id);
181
182         $supp_trans->trans_no = $invoice_id;
183
184         $total = 0;
185
186     /* Now the TAX account */
187     $taxes = $supp_trans->get_taxes($supp_trans->tax_group_id, 0, false);
188         $net_diff = 0;
189
190     foreach ($taxes as $taxitem)
191     {
192                 if ($taxitem['Net'] != 0)
193                 {
194                         if (isset($taxitem['Override'])) {
195                                 if ($supp_trans->tax_included) { // if tax included, fix net amount to preserve overall line price
196                                         $net_diff += $taxitem['Override'] - $taxitem['Value'];
197                                         $taxitem['Net'] += $taxitem['Override'] - $taxitem['Value'];
198                                 }
199                                 $taxitem['Value'] = $taxitem['Override'];
200                         }
201                         add_trans_tax_details($trans_type, $invoice_id, 
202                                 $taxitem['tax_type_id'], $taxitem['rate'], $supp_trans->tax_included, $taxitem['Value'],
203                                 $taxitem['Net'], $ex_rate, $date_, $supp_trans->supp_reference, TR_INPUT);
204
205                         if (isset($taxitem['purchasing_gl_code']))
206                         {
207                                 if ($trans_type == ST_SUPPCREDIT)
208                                         $taxitem['Value'] = -$taxitem['Value'];
209                                 $total += add_gl_trans_supplier($trans_type, $invoice_id, $date_,
210                                         $taxitem['purchasing_gl_code'], 0, 0, $taxitem['Value'],
211                                         $supp_trans->supplier_id,
212                                         "A general ledger transaction for the tax amount could not be added");
213                         }
214                 }
215     }
216     if ($trans_type == ST_SUPPCREDIT)
217                 $net_diff = -$net_diff;
218
219     /* Now the AP account */
220     $total += add_gl_trans_supplier($trans_type, $invoice_id, $date_, $supplier["payable_account"], 0, 0,
221                 -($invoice_items_total +  $item_added_tax + $supp_trans->ov_discount),
222                 $supp_trans->supplier_id,
223                 "The general ledger transaction for the control total could not be added");
224
225         $to_allocate = ($invoice_items_total + $item_added_tax + $supp_trans->ov_discount);
226
227     foreach ($supp_trans->gl_codes as $entered_gl_code)
228     {
229             /*GL Items are straight forward - just do the debit postings to the GL accounts specified -
230             the credit is to creditors control act  done later for the total invoice value + tax*/
231
232                 if ($trans_type == ST_SUPPCREDIT)
233                         $entered_gl_code->amount = -$entered_gl_code->amount;
234
235                 $memo_ = $entered_gl_code->memo_;
236                 $total += add_gl_trans_supplier($trans_type, $invoice_id, $date_, $entered_gl_code->gl_code,
237                         $entered_gl_code->gl_dim, $entered_gl_code->gl_dim2, $entered_gl_code->amount, $supp_trans->supplier_id, "", 0, $memo_);
238
239                 add_supp_invoice_gl_item($trans_type, $invoice_id, $entered_gl_code->gl_code, $entered_gl_code->amount, $memo_,
240                         $entered_gl_code->gl_dim, $entered_gl_code->gl_dim2);
241
242                 // store tax details if the gl account is a tax account
243                 if ($trans_type == ST_SUPPCREDIT)
244                         $entered_gl_code->amount = -$entered_gl_code->amount;
245                 add_gl_tax_details($entered_gl_code->gl_code, 
246                         $trans_type, $invoice_id, $entered_gl_code->amount,
247                         $ex_rate, $date_, $supp_trans->supp_reference, $supp_trans->tax_included);
248     }
249
250     $clearing_act = get_company_pref('grn_clearing_act');
251     foreach ($supp_trans->grn_items as $line_no => $entered_grn)
252     {
253
254         if ($trans_type == ST_SUPPCREDIT)
255         {
256                         $entered_grn->this_quantity_inv = -$entered_grn->this_quantity_inv;
257                         set_grn_item_credited($entered_grn, $supp_trans->supplier_id, $invoice_id, $date_);
258         }
259
260                 // For tax included pricelist the net price is calculated down from tax_included price.
261                 // To avoid rounding errors we have to operate on line value instead of price
262                 // Additionally we have to take into account differences in net value
263                 // due to variations in tax calculations on supplier side. More over there is no direct relation between
264                 // taxes and sales accounts, so we add net_diff just to first posted net value. This is _ugly_hack_
265                 // which save us from rewriting whole routine, and works right only for small tax differences.
266
267                 $taxfree_line = get_tax_free_price_for_item($entered_grn->item_code, $entered_grn->this_quantity_inv * $entered_grn->chg_price, 
268                           $supp_trans->tax_group_id, $supp_trans->tax_included) - $net_diff; $net_diff = 0;
269
270                 $line_tax = get_full_price_for_item($entered_grn->item_code,
271                         $entered_grn->this_quantity_inv * $entered_grn->chg_price, 0, $supp_trans->tax_included) - $taxfree_line;
272
273                 $stock_gl_code = get_stock_gl_code($entered_grn->item_code);
274
275                 $dim = !empty($supp_trans->dimension) ? $supp_trans->dimension :
276                         ($supplier['dimension_id'] ? $supplier['dimension_id'] : $stock_gl_code['dimension_id']);
277                 $dim2 = !empty($supp_trans->dimension2) ? $supp_trans->dimension2 :
278                         ($supplier['dimension2_id'] ? $supplier['dimension2_id'] : $stock_gl_code['dimension2_id']);
279         if ($trans_type == ST_SUPPCREDIT)
280                 {
281                         $iv_act = (is_inventory_item($entered_grn->item_code) ? $stock_gl_code["inventory_account"] : 
282                                 ($supplier["purchase_account"] ? $supplier["purchase_account"] : $stock_gl_code["cogs_account"]));
283                         $total += add_gl_trans_supplier($trans_type, $invoice_id, $date_, $iv_act,
284                                 $dim, $dim2, $taxfree_line, $supp_trans->supplier_id);
285                 }
286         else
287         {
288                 // -------------- if price changed since po received.
289                         $iv_act = is_inventory_item($entered_grn->item_code) ? ($clearing_act ? $clearing_act : $stock_gl_code["inventory_account"]) : 
290                                 ($supplier["purchase_account"] ? $supplier["purchase_account"] : $stock_gl_code["cogs_account"]);
291                 $old = update_supp_received_items_for_invoice($entered_grn->id, $entered_grn->po_detail_item,
292                         $entered_grn->this_quantity_inv, $entered_grn->chg_price);
293
294                         // Since the standard cost is always calculated on basis of the po unit_price,
295                         // this is also the price that should be the base of calculating the price diff.
296                         // In cases where there is two different po invoices on the same delivery with different unit prices this will not work either
297
298                         $old_price = $old[2];
299
300                         $old_date = sql2date($old[1]);
301                         if (!is_inventory_item($entered_grn->item_code))
302                                 $total += add_gl_trans_supplier($trans_type, $invoice_id, $date_, $iv_act,
303                                         $dim, $dim2, $taxfree_line, $supp_trans->supplier_id);
304                         else
305                         {
306                                 $ex_rate = get_exchange_rate_from_home_currency($supplier['curr_code'], $old_date);
307                                 $old_value = get_tax_free_price_for_item($entered_grn->item_code, $entered_grn->this_quantity_inv * $old_price, 
308                                           $supp_trans->tax_group_id, $supp_trans->tax_included);
309
310                                 $currency = get_supplier_currency($supp_trans->supplier_id);
311
312                                 $total += add_gl_trans_supplier($trans_type, $invoice_id, $date_, $iv_act,
313                                         $dim, $dim2, $old_value, $supp_trans->supplier_id, "", $ex_rate);
314                                 $diff = get_diff_in_home_currency($supp_trans->supplier_id, $old_date, $date_, $old_value, 
315                                         $taxfree_line);
316
317                                 $mat_cost = update_average_material_cost(null, $entered_grn->item_code,
318                                         $diff/$entered_grn->this_quantity_inv, $entered_grn->this_quantity_inv, null, true);
319
320                                 //Add GL transaction for GRN Provision in case of difference
321                                 if ($diff != 0)
322                                 {
323                                         $total += add_gl_trans($trans_type, $invoice_id, $date_, $stock_gl_code["inventory_account"],
324                                                 $dim, $dim2, 'GRN Provision', $diff, null, null, null,
325                                                 "The general ledger transaction could not be added for the GRN of the inventory item");
326
327                                         //If QOH is 0 or negative then update_average_material_cost will be skipped
328                                         //Thus difference in PO and Supp Invoice should be handled separately
329                                         $qoh = get_qoh_on_date($entered_grn->item_code);
330                                         if ($qoh <= 0)
331                                         {
332                                                 global $Refs;
333
334                                                 $id = get_next_trans_no(ST_JOURNAL);
335                                                 $ref = $Refs->get_next(ST_JOURNAL, null, $date_);
336                                                 add_journal(ST_JOURNAL, $id, $diff, $date_, get_company_currency(), $ref);
337                                                 $stock_id = $entered_grn->item_code;
338                                                 $stock_gl_code = get_stock_gl_code($stock_id);
339                                                 $memo = _("Supplier invoice adjustment for zero inventory of ").$stock_id." "._("Invoice")." ".$supp_trans->reference;
340                                                 //Reverse the inventory effect if $qoh <=0
341                                                 add_gl_trans_std_cost(ST_JOURNAL, $id, $date_, 
342                                                         $stock_gl_code["inventory_account"],
343                                                         $dim, $dim2, $memo, -$diff);
344                                                 //GL Posting to inventory adjustment account
345                                                 add_gl_trans_std_cost(ST_JOURNAL, $id, $date_, 
346                                                         $stock_gl_code["adjustment_account"],
347                                                         $dim, $dim2, $memo, $diff);
348
349                                                 add_audit_trail(ST_JOURNAL, $id, $date_);
350                                                 add_comments(ST_JOURNAL, $id, $date_, $memo);
351                                                 $Refs->save(ST_JOURNAL, $id, $ref);
352                                         }
353                                 }
354                         }
355                         add_or_update_purchase_data($supp_trans->supplier_id, $entered_grn->item_code, $entered_grn->chg_price); 
356                 }
357                 update_purchase_value($entered_grn->item_code, $entered_grn->chg_price * $ex_rate);
358                 add_supp_invoice_item($trans_type, $invoice_id, $entered_grn->item_code,
359                         $entered_grn->item_description, 0,      $entered_grn->chg_price, $line_tax/$entered_grn->this_quantity_inv,
360                         $entered_grn->this_quantity_inv, $entered_grn->id, $entered_grn->po_detail_item, "");
361     } /* end of GRN postings */
362
363         /*Post a balance post if $total != 0 */
364         add_gl_balance($trans_type, $invoice_id, $date_, -$total, PT_SUPPLIER, $supp_trans->supplier_id); // ??
365
366         add_comments($trans_type, $invoice_id, $date_, $supp_trans->Comments);
367
368         $Refs->save($trans_type, $invoice_id, $supp_trans->reference);
369
370         if (count($supp_trans->src_docs) == 1)
371         {
372                 $invoice_no = key($supp_trans->src_docs);
373                 $invoice_alloc_balance = get_supp_trans_allocation_balance(ST_SUPPINVOICE, $supp_trans->src_docs);
374                 if ($invoice_alloc_balance > 0) 
375                 {       //the invoice is not already fully allocated 
376
377                         $trans = get_supp_trans($invoice_id, ST_SUPPCREDIT);
378                         $total = -$trans['Total'];
379
380                         $allocate_amount = ($invoice_alloc_balance > $total) ? $total : $invoice_alloc_balance;
381
382                         /*Now insert the allocation record if > 0 */
383                         if ($allocate_amount != 0) 
384                         {
385                                 add_supp_allocation($allocate_amount, ST_SUPPCREDIT, $invoice_id, ST_SUPPINVOICE, $invoice_no,
386                                         $supp_trans->supplier_id, $date_);
387                                 update_supp_trans_allocation(ST_SUPPINVOICE, $invoice_no, $supp_trans->supplier_id);
388                                 update_supp_trans_allocation(ST_SUPPCREDIT, $invoice_id, $supp_trans->supplier_id);
389
390                                 exchange_variation(ST_SUPPCREDIT, $invoice_id, ST_SUPPINVOICE, $supp_trans->src_docs, $date_,
391                                         $allocate_amount, PT_SUPPLIER);
392                         }
393                 }
394         }
395
396         reallocate_payments($invoice_id, ST_SUPPINVOICE, $date_, $to_allocate, $allocs, $supp_trans->supplier_id);
397         $supp_trans->trans_no = $invoice_id;
398         hook_db_postwrite($supp_trans, $supp_trans->trans_type);
399     commit_transaction();
400
401     return $invoice_id;
402 }
403
404 //----------------------------------------------------------------------------------------
405
406 // get all the invoices/credits for a given PO - quite long route to get there !
407
408 function get_po_invoices_credits($po_number)
409 {
410         $sql = "SELECT DISTINCT trans.trans_no, trans.type,     ov_amount+ov_discount+ov_gst AS Total,
411                                 trans.tran_date
412                         FROM ".TB_PREF."supp_trans trans,"
413                                 .TB_PREF."supp_invoice_items line,"
414                                 .TB_PREF."purch_order_details poline,"
415                                 .TB_PREF."purch_orders po
416                 WHERE line.supp_trans_no = trans.trans_no
417                         AND line.supp_trans_type = trans.type
418                         AND line.po_detail_item_id = poline.po_detail_item
419                         AND po.supplier_id = trans.supplier_id
420                         AND po.order_no = poline.order_no
421                         AND poline.order_no = ".db_escape($po_number);
422
423         return db_query($sql, "The invoices/credits for the po $po_number could not be retreived");
424 }
425
426 //----------------------------------------------------------------------------------------
427 //
428 // Retrieve tax ovverides from tax register.
429 //
430 function get_tax_overrides($trans_type, $trans_no)
431 {
432         $tax_overrides = array();
433         $sql = "SELECT amount, tax_type_id as id, rate
434                 FROM ".TB_PREF."trans_tax_details details
435                 WHERE trans_type=".db_escape($trans_type)." AND trans_no=".db_escape($trans_no)
436                 ." AND amount>0"; // skip reposting of nondeductible VAT
437
438         $result = db_query($sql, 'Cannot retrieve tax overrides');
439         while($row = db_fetch($result))
440         {
441                 $tax_overrides[$row['id']] = $row['amount'];
442         }
443
444         return $tax_overrides;
445 }
446 //----------------------------------------------------------------------------------------
447
448 function read_supp_invoice($trans_no, $trans_type, &$supp_trans)
449 {
450         $sql = "SELECT trans.*, supp_name 
451                 FROM ".TB_PREF."supp_trans trans,"
452                         .TB_PREF."suppliers sup
453                 WHERE trans_no = ".db_escape($trans_no)." AND type = ".db_escape($trans_type)."
454                 AND sup.supplier_id=trans.supplier_id";
455
456         $result = db_query($sql, "Cannot retreive a supplier transaction");
457
458         if (db_num_rows($result) == 1)
459         {
460                 $trans_row = db_fetch($result);
461
462                 $supp_trans->supplier_id = $trans_row["supplier_id"];
463                 $supp_trans->supplier_name = $trans_row["supp_name"];
464                 $supp_trans->tran_date = sql2date($trans_row["tran_date"]);
465                 $supp_trans->due_date = sql2date($trans_row["due_date"]);
466                 $supp_trans->Comments = get_comments_string($trans_type, $trans_no);
467                 $supp_trans->reference = $trans_row["reference"];
468                 $supp_trans->supp_reference = $trans_row["supp_reference"];
469                 $supp_trans->ov_amount = $trans_row["ov_amount"];
470                 $supp_trans->ov_discount = $trans_row["ov_discount"];
471                 $supp_trans->ov_gst = $trans_row["ov_gst"];
472                 $supp_trans->tax_included = $trans_row["tax_included"];
473
474                 $id = $trans_row["trans_no"];
475
476                 $result = get_supp_invoice_items($trans_type, $id);
477
478                 if (db_num_rows($result) > 0)
479                 {
480
481             while ($details_row = db_fetch($result))
482             {
483
484                 if ($details_row["gl_code"] == 0)
485                 {
486                         $supp_trans->add_grn_to_trans($details_row["grn_item_id"], $details_row["po_detail_item_id"], $details_row["stock_id"],
487                                         $details_row["description"], 
488                                         $details_row['qty_recd'],
489                                         $details_row['quantity_inv']-$details_row["quantity"],
490                                         $details_row["quantity"], 0, $details_row["FullUnitPrice"],
491                                         0, 0);
492                 }
493                 else
494                 {
495                         $supp_trans->add_gl_codes_to_trans($details_row["gl_code"], get_gl_account_name($details_row["gl_code"]), 
496                                 $details_row["dimension_id"], $details_row["dimension2_id"],
497                                         $details_row["FullUnitPrice"], $details_row["memo_"]);
498                 }
499             }
500                         $supp_trans->tax_overrides = get_tax_overrides($trans_type, $trans_no);
501         }
502         else
503         {
504                         return display_db_error("Invalid supptrans details for supptrans number : $trans_no and type : $trans_type", $sql, true);
505                 }
506
507         }
508         else
509         {
510                 return display_db_error("Invalid supptrans number : $trans_no and type : $trans_type", $sql, true);
511         }
512 }
513
514 //----------------------------------------------------------------------------------------
515
516 function get_matching_invoice_item($stock_id, $po_item_id)
517 {
518         $sql = "SELECT *, tran_date
519                 FROM ".TB_PREF."supp_invoice_items,"
520                         .TB_PREF."supp_trans
521                 WHERE supp_trans_type = ".ST_SUPPINVOICE." AND stock_id = "
522                 .db_escape($stock_id)." AND po_detail_item_id = ".db_escape($po_item_id)."
523                 AND supp_trans_no = trans_no";
524         $result = db_query($sql, "Cannot retreive supplier transaction detail records");
525         return db_fetch($result);  
526 }
527
528 function void_supp_invoice($type, $type_no)
529 {
530         begin_transaction();
531
532         hook_db_prevoid($type, $type_no);
533         $trans = get_supp_trans($type_no, $type);
534
535         void_bank_trans($type, $type_no, true);
536
537         void_gl_trans($type, $type_no, true);
538
539         void_supp_allocations($type, $type_no);
540
541         void_supp_trans($type, $type_no);
542
543         $result = get_supp_invoice_items($type, $type_no);
544
545         // now remove this invoice/credit from any GRNs/POs that it's related to
546         if (db_num_rows($result) > 0)
547         {
548                 $date_ = Today();
549         while ($details_row = db_fetch($result))
550         {
551                 if ((int)$details_row["grn_item_id"] > 0) // it can be empty for GL items
552                 {
553                         // Changed 2008-10-17 by Joe Hunt to get the avg. material cost updated
554                                 $old = update_supp_received_items_for_invoice($details_row["grn_item_id"],
555                                         $details_row["po_detail_item_id"], -$details_row["quantity"], $details_row["FullUnitPrice"]); 
556                                 
557                                 //$diff = $details_row["FullUnitPrice"] - $old[2];
558                                 $old_date = sql2date($old[1]);
559                                 
560                                 $batch = get_grn_batch_from_item($details_row["grn_item_id"]);  
561                                 $grn = get_grn_batch($batch);
562                         if ($type == ST_SUPPCREDIT) // credit note 2009-06-14 Joe Hunt Must restore the po and grn
563                         {       // We must get the corresponding invoice item to check for price chg.
564                                         $match = get_matching_invoice_item($details_row["stock_id"], $details_row["po_detail_item_id"]);
565                                         //Chaitanya : Skipped costing block & handle in void_stock_move
566                                         // We must get the corresponding invoice item to check for price chg.
567                                         /*if ($match !== false)
568                                                 $mat_cost = update_average_material_cost($grn["supplier_id"], $details_row["stock_id"],  
569                                                         $match["unit_price"], -$details_row["quantity"], sql2date($match['tran_date']), $match['tran_date'] !== $trans['tran_date']);
570                                         else            
571                                                 $mat_cost = update_average_material_cost($grn["supplier_id"], $details_row["stock_id"],  
572                                                         $details_row["FullUnitPrice"], -$details_row["quantity"], $old_date, $old[1] !== $trans['tran_date']);*/
573
574                                         $sql = "UPDATE ".TB_PREF."purch_order_details
575                                         SET quantity_ordered = quantity_ordered + ".-$details_row["quantity"].", ";
576                                 if ($match !== false)
577                                         $sql .= "act_price=".$match['unit_price'].", ";
578                                 $sql .= "quantity_received = quantity_received + ".-$details_row["quantity"]."
579                                     WHERE po_detail_item = ".$details_row["po_detail_item_id"];
580                                         db_query($sql, "a purchase order details record could not be updated. This receipt of goods has not been processed ");
581                                         $sql = "UPDATE ".TB_PREF."grn_items SET qty_recd=qty_recd+".-$details_row["quantity"]."
582                                                 WHERE id=".$details_row["grn_item_id"];
583                                         db_query($sql);
584                         }
585                         else
586                         {
587                                         $diff = get_diff_in_home_currency($grn["supplier_id"], $old_date, sql2date($trans['tran_date']), $old[2], 
588                                                 $details_row["FullUnitPrice"]);
589                                         // Only adjust the avg for the diff
590                                         $mat_cost = update_average_material_cost(null, $details_row["stock_id"],
591                                                 $diff, -$details_row["quantity"], $old_date, true);
592                                                 
593                                         //Chaitanya : Reverse effect
594                                         //If QOH is 0 or negative then update_average_material_cost will be skipped
595                                         //Thus difference in PO and Supp Invoice should be handled separately
596                                         
597                                         $qoh = get_qoh_on_date($details_row["stock_id"]);
598                                         if ($diff*$details_row["quantity"] !=0 && $qoh <= 0)
599                                         {
600                                                 global $Refs;
601
602                                                 //Chaitanya : Post a journal entry
603                                                 $id = get_next_trans_no(ST_JOURNAL);
604                                                 $ref = $Refs->get_next(ST_JOURNAL, null, $date_);
605                                                 add_journal(ST_JOURNAL, $id, $details_row["quantity"] * $diff, $old_date, get_company_currency(), $ref);
606                                                 $stock_id = $details_row["stock_id"];
607                                                 $stock_gl_code = get_stock_gl_code($stock_id);
608                                                 $memo = "Reversing Supplier invoice adjustment for zero inventory of ".$stock_id." Invoice: ".$trans['reference'];
609                                                 //Reverse the inventory effect if $qoh <=0
610                                                 add_gl_trans_std_cost(ST_JOURNAL, $id, $old_date, 
611                                                         $stock_gl_code["inventory_account"],
612                                                         $dim, $dim2, $memo, $details_row["quantity"] * $diff);
613                                                 //GL Posting to inventory adjustment account
614                                                 add_gl_trans_std_cost(ST_JOURNAL, $id, $old_date, 
615                                                         $stock_gl_code["adjustment_account"],
616                                                         $dim, $dim2, $memo, -$details_row["quantity"] * $diff);
617                                                 
618                                                 add_audit_trail(ST_JOURNAL, $id, $old_date);
619                                                 add_comments(ST_JOURNAL, $id, $old_date, $memo);
620                                                 $Refs->save(ST_JOURNAL, $id, $ref);
621                                         }
622                                 }
623                 }
624         }
625         }
626
627         if ($type == ST_SUPPCREDIT) // void the credits in stock moves
628                 void_stock_move($type, $type_no); 
629         void_supp_invoice_items($type, $type_no);
630         void_trans_tax_details($type, $type_no);
631
632         commit_transaction();
633 }
634
635 //----------------------------------------------------------------------------------------
636 function get_gl_account_info($acc)
637 {
638         $sql = "SELECT account_code, account_name FROM ".TB_PREF."chart_master WHERE account_code=".db_escape($acc);
639         return db_query($sql,"get account information");
640 }
641
642 function is_reference_already_there($supplier_id, $supp_reference, $trans_no=0)
643 {
644         $sql = "SELECT COUNT(*) FROM ".TB_PREF."supp_trans WHERE supplier_id="
645                 .db_escape($supplier_id) . " AND supp_reference=" 
646                 .db_escape($supp_reference) 
647                 . " AND ov_amount!=0"; // ignore voided invoice references
648         if ($trans_no)
649                 $sql .= " AND trans_no!=$trans_no";
650         $result=db_query($sql,"The sql to check for the previous entry of the same invoice failed");
651
652         $myrow = db_fetch_row($result);
653         return $myrow[0] > 0;
654 }
655
656 function remove_not_invoice_item($id)
657 {
658         begin_transaction();
659
660     $myrow = get_grn_item_detail($id);
661
662     $grn = get_grn_batch($myrow['grn_batch_id']);
663
664     $supp = get_supplier($grn["supplier_id"]);
665
666         $sql = "UPDATE ".TB_PREF."purch_order_details
667                 SET quantity_received = qty_invoiced, quantity_ordered = qty_invoiced WHERE po_detail_item = ".$myrow["po_detail_item"];
668         db_query($sql, "The quantity invoiced of the purchase order line could not be updated");
669
670     $sql = "UPDATE ".TB_PREF."grn_items
671         SET qty_recd = quantity_inv WHERE id = ".$myrow["id"];
672     db_query($sql, "The quantity invoiced off the items received record could not be updated");
673
674     update_average_material_cost($grn["supplier_id"], $myrow["item_code"],
675         $myrow["unit_price"], -$myrow["QtyOstdg"], Today());
676
677     $price = $myrow['unit_price'];
678     if ($supp['tax_included'])
679         $price = get_tax_free_price_for_item($myrow['item_code'], $myrow['unit_price'], $supp['tax_group_id'], $supp['tax_included']);        
680
681     add_stock_move(ST_SUPPRECEIVE, $myrow["item_code"], $myrow['grn_batch_id'], $grn['loc_code'], sql2date($grn["delivery_date"]), "",
682         -$myrow["QtyOstdg"], $myrow['std_cost_unit'], $price);
683
684     $clearing_act = get_company_pref('grn_clearing_act');
685     if ($clearing_act) {    // otherwise GRN clearing account is not used
686         if (is_inventory_item($myrow['item_code']))
687         {
688             $total = 0;
689             $stock_gl_code = get_stock_gl_code($myrow['item_code']);
690             $date = sql2date($grn["delivery_date"]);
691             $total += add_gl_trans_supplier(ST_SUPPRECEIVE, $myrow['grn_batch_id'], $date, $stock_gl_code["inventory_account"],
692                 $stock_gl_code['dimension_id'], $stock_gl_code['dimension2_id'],
693                 -$myrow['QtyOstdg'] * $price, $grn["supplier_id"], "", 0, _("GRN Removal"));
694             $total += add_gl_trans_supplier(ST_SUPPRECEIVE, $myrow['grn_batch_id'], $date, $clearing_act,
695                 0, 0, -$total, null, "", 0, _("GRN Removal"));
696         }
697     }
698
699     commit_transaction();
700 }
701
702 function find_src_invoices($cart)
703 {
704         $invoices = $po_ids = array();
705         foreach($cart->grn_items as $item)
706                 $po_ids[] = "'$item->po_detail_item'";  // credit item lines
707
708         if (count($po_ids)) {
709                 $sql = "SELECT DISTINCT trans.trans_no, trans.reference, trans.supp_reference
710                         FROM ".TB_PREF."supp_invoice_items items
711                         LEFT JOIN ".TB_PREF."supp_trans trans ON trans.trans_no=items.supp_trans_no AND trans.`type`=items.supp_trans_type
712                         WHERE items.po_detail_item_id IN (" . implode(',', $po_ids). ")"." AND items.supp_trans_type=20";
713                 $result = db_query($sql, "cannot find source invoice details");
714                 while ($rec = db_fetch($result))
715                 {
716                         $invoices[$rec['trans_no']] = $rec['supp_reference']; // array($rec['reference'], $rec['supp_reference']);
717                 }
718         }
719         return $invoices;
720 }