Modifying Supplier Credit: reverted GL postings - fixed.
[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         $sql = "SELECT supp.supp_name, terms.terms, terms.days_before_due, supp.dimension_id, supp.dimension2_id,
20                 terms.day_in_following_month, supp.tax_included,
21                 supp.tax_group_id, tax_group.name AS tax_group_name,
22                 supp.credit_limit - Sum((ov_amount + ov_gst + ov_discount)) as cur_credit, curr_code
23                 FROM ".TB_PREF."suppliers supp LEFT JOIN "
24                         .TB_PREF."supp_trans trans ON supp.supplier_id = trans.supplier_id, "
25                         .TB_PREF."payment_terms terms, "
26                         .TB_PREF."tax_groups tax_group
27                 WHERE supp.tax_group_id = tax_group.id
28                 AND supp.payment_terms=terms.terms_indicator
29                 AND supp.supplier_id = ".db_escape($supplier_id)." GROUP BY supp.supp_name";
30
31         $result = db_query($sql, "The supplier record selected: " . $supplier_id . " cannot be retrieved");
32
33         $myrow = db_fetch($result);
34
35     if ($supp_trans->tran_date == "")
36     {
37                 $supp_trans->tran_date = Today();
38
39                 if (!is_date_in_fiscalyear($supp_trans->tran_date))
40                         $supp_trans->tran_date = end_fiscalyear();
41         }
42
43     $supp_trans->tax_included = $myrow['tax_included'];
44     $supp_trans->supplier_name = $myrow['supp_name'];
45         $supp_trans->terms = array( 
46                 'description' => $myrow['terms'],
47                 'days_before_due' => $myrow['days_before_due'], 
48                 'day_in_following_month' => $myrow['day_in_following_month'] );
49
50         if ($supp_trans->supplier_id != $supplier_id)
51             get_duedate_from_terms($supp_trans);
52
53     $supp_trans->supplier_id = $supplier_id;
54
55         $supp_trans->credit = $myrow['cur_credit'];
56
57         $supp_trans->tax_description = $myrow['tax_group_name'];
58         $supp_trans->tax_group_id = $myrow['tax_group_id'];
59         $supp_trans->dimension = $myrow['dimension_id'];
60         $supp_trans->dimension2 = $myrow['dimension2_id'];
61         $supp_trans->currency = $myrow['curr_code'];
62  
63 }
64
65 //-------------------------------------------------------------------------------------------------
66 //      Updates invoiced quantity in PO and GRN line, and act_price in PO
67 //  Returns:
68 // if chg_price is set:  previous act_price, delivery date and unit_price from PO
69 //
70 function update_supp_received_items_for_invoice($id, $po_detail_item, $qty_invoiced, $chg_price=null)
71 {
72         if ($chg_price != null)
73         {
74                 $sql = "SELECT act_price, unit_price FROM ".TB_PREF."purch_order_details WHERE
75                         po_detail_item = ".db_escape($po_detail_item);
76                 $result = db_query($sql, "The old actual price of the purchase order line could not be retrieved");
77                 $row = db_fetch($result);
78                 $ret = $row['act_price'];
79
80                 $unit_price = $row['unit_price']; //Added by Rasmus
81
82                 $sql = "SELECT delivery_date 
83                         FROM ".TB_PREF."grn_batch grn,"
84                                 .TB_PREF."grn_items line
85                         WHERE
86                                 grn.id = line.grn_batch_id AND line.id=".db_escape($id);
87                 $result = db_query($sql, "The old delivery date from the received record cout not be retrieved");
88                 $row = db_fetch($result);
89                 $date = $row['delivery_date'];
90         }
91         else
92         {
93                 $ret = 0;
94                 $date = "";
95                 $unit_price = 0; // Added by Rasmus
96         }
97     $sql = "UPDATE ".TB_PREF."purch_order_details
98                 SET qty_invoiced = qty_invoiced + ".db_escape($qty_invoiced);
99
100         if ($chg_price != null)
101                 $sql .= " , act_price = ".db_escape($chg_price);
102
103         $sql .= " WHERE po_detail_item = ".db_escape($po_detail_item);
104     db_query($sql, "The quantity invoiced of the purchase order line could not be updated");
105
106     $sql = "UPDATE ".TB_PREF."grn_items
107         SET quantity_inv = quantity_inv + ".db_escape($qty_invoiced)."
108         WHERE id = ".db_escape($id);
109         db_query($sql, "The quantity invoiced off the items received record could not be updated");
110         return array($ret, $date, $unit_price);
111 }
112
113 function get_diff_in_home_currency($supplier, $old_date, $date, $amount1, $amount2)
114 {
115         $dec = user_price_dec();
116         price_decimal_format($amount2, $dec);
117         $currency = get_supplier_currency($supplier);
118         $ex_rate = get_exchange_rate_to_home_currency($currency, $old_date);
119         $amount1 = $amount1 / $ex_rate;
120         $ex_rate = get_exchange_rate_to_home_currency($currency, $date);
121         $amount2 = $amount2 / $ex_rate;
122         $diff = $amount2 - $amount1;
123         //return round2($diff, $dec);
124         return $diff;
125 }
126 //----------------------------------------------------------------------------------------
127 function add_supp_invoice(&$supp_trans)
128 {
129         global $Refs;
130
131         //$company_currency = get_company_currency();
132         $trans_no = $supp_trans->trans_no;
133         $trans_type = $supp_trans->trans_type;
134         $supplier = get_supplier($supp_trans->supplier_id);
135     $dim = !empty($supp_trans->dimension) ? $supp_trans->dimension :
136         ($supplier['dimension_id'] ? $supplier['dimension_id'] : 0);
137     $dim2 = !empty($supp_trans->dimension2) ? $supp_trans->dimension2 :
138         ($supplier['dimension2_id'] ? $supplier['dimension2_id'] : 0);
139
140         begin_transaction();
141         hook_db_prewrite($supp_trans, $trans_type);
142         $tax_total = 0;
143     $taxes = $supp_trans->get_taxes($supp_trans->tax_group_id);
144         if ($trans_no) {
145                 $allocs = get_payments_for($trans_no, $trans_type, $supp_trans->supplier_id); // save allocations
146                 void_transaction($trans_type, $trans_no, $supp_trans->tran_date, _("Document reentered."));
147                 $Refs->restore_last($trans_type, $trans_no);
148         } else
149                 $allocs = get_po_prepayments($supp_trans);
150
151         add_new_exchange_rate($supp_trans->currency, $supp_trans->tran_date, $supp_trans->ex_rate);
152
153     foreach ($taxes as $n => $taxitem)
154     {
155                 $taxes[$n]['Value'] =  round2($taxitem['Value'], user_price_dec());
156         $tax_total += $taxes[$n]['Value'];
157     }
158
159         $invoice_items_total = $supp_trans->get_items_total();
160
161         $item_added_tax = 0;
162     if (!$supp_trans->tax_included)
163     {
164             $taxes = $supp_trans->get_taxes($supp_trans->tax_group_id);
165             foreach ($taxes as $n => $taxitem)
166                         $item_added_tax += isset($taxitem['Override']) ? $taxitem['Override'] : round2($taxitem['Value'], user_price_dec());
167         }
168         if ($trans_type == ST_SUPPCREDIT)
169         {
170                 // let's negate everything because it's a credit note
171                 $invoice_items_total = -$invoice_items_total;
172                 $tax_total = -$tax_total;
173                 $supp_trans->ov_discount = -$supp_trans->ov_discount; // this isn't used at all...
174                 $item_added_tax = -$item_added_tax;
175         }
176
177     $date_ = $supp_trans->tran_date;
178         $ex_rate = get_exchange_rate_from_home_currency($supp_trans->currency, $date_);
179
180     /*First insert the invoice into the supp_trans table*/
181         $invoice_id = write_supp_trans($trans_type, 0, $supp_trans->supplier_id, $date_, $supp_trans->due_date,
182                 $supp_trans->reference, $supp_trans->supp_reference,
183                 $invoice_items_total, $item_added_tax, $supp_trans->ov_discount, "", 0, $supp_trans->tax_included);
184
185         if ($trans_no)
186                 move_trans_attachments($trans_type, $trans_no, $invoice_id);
187
188         $supp_trans->trans_no = $invoice_id;
189
190         $total = 0;
191
192     /* Now the TAX account */
193     $taxes = $supp_trans->get_taxes($supp_trans->tax_group_id, 0, false);
194         $net_diff = 0;
195
196     foreach ($taxes as $taxitem)
197     {
198                 if ($taxitem['Net'] != 0)
199                 {
200                         if (isset($taxitem['Override'])) {
201                                 if ($supp_trans->tax_included) { // if tax included, fix net amount to preserve overall line price
202                                         $net_diff += $taxitem['Override'] - $taxitem['Value'];
203                                         $taxitem['Net'] += $taxitem['Override'] - $taxitem['Value'];
204                                 }
205                                 $taxitem['Value'] = $taxitem['Override'];
206                         }
207                         add_trans_tax_details($trans_type, $invoice_id, 
208                                 $taxitem['tax_type_id'], $taxitem['rate'], $supp_trans->tax_included, $taxitem['Value'],
209                                 $taxitem['Net'], $ex_rate, $date_, $supp_trans->supp_reference, TR_INPUT);
210
211                         if (isset($taxitem['purchasing_gl_code']))
212                         {
213                                 if ($trans_type == ST_SUPPCREDIT)
214                                         $taxitem['Value'] = -$taxitem['Value'];
215                                 $total += add_gl_trans_supplier($trans_type, $invoice_id, $date_,
216                                         $taxitem['purchasing_gl_code'], $dim, $dim2, $taxitem['Value'],
217                                         $supp_trans->supplier_id,
218                                         "A general ledger transaction for the tax amount could not be added");
219                         }
220                 }
221     }
222     if ($trans_type == ST_SUPPCREDIT)
223                 $net_diff = -$net_diff;
224
225     /* Now the AP account */
226     $total += add_gl_trans_supplier($trans_type, $invoice_id, $date_, $supplier["payable_account"], $dim, $dim2,
227                 -($invoice_items_total +  $item_added_tax + $supp_trans->ov_discount),
228                 $supp_trans->supplier_id,
229                 "The general ledger transaction for the control total could not be added");
230
231         $to_allocate = ($invoice_items_total + $item_added_tax + $supp_trans->ov_discount);
232
233     foreach ($supp_trans->gl_codes as $entered_gl_code)
234     {
235             /*GL Items are straight forward - just do the debit postings to the GL accounts specified -
236             the credit is to creditors control act  done later for the total invoice value + tax*/
237
238                 if ($trans_type == ST_SUPPCREDIT)
239                         $entered_gl_code->amount = -$entered_gl_code->amount;
240
241                 $memo_ = $entered_gl_code->memo_;
242                 $total += add_gl_trans_supplier($trans_type, $invoice_id, $date_, $entered_gl_code->gl_code,
243                         $entered_gl_code->gl_dim, $entered_gl_code->gl_dim2, $entered_gl_code->amount, $supp_trans->supplier_id, "", 0, $memo_);
244
245                 add_supp_invoice_gl_item($trans_type, $invoice_id, $entered_gl_code->gl_code, $entered_gl_code->amount, $memo_,
246                         $entered_gl_code->gl_dim, $entered_gl_code->gl_dim2);
247
248                 // store tax details if the gl account is a tax account
249                 if ($trans_type == ST_SUPPCREDIT)
250                         $entered_gl_code->amount = -$entered_gl_code->amount;
251                 add_gl_tax_details($entered_gl_code->gl_code, 
252                         $trans_type, $invoice_id, $entered_gl_code->amount,
253                         $ex_rate, $date_, $supp_trans->supp_reference, $supp_trans->tax_included);
254     }
255
256     $clearing_act = get_company_pref('grn_clearing_act');
257     foreach ($supp_trans->grn_items as $line_no => $entered_grn)
258     {
259
260         if ($trans_type == ST_SUPPCREDIT)
261         {
262                         $entered_grn->this_quantity_inv = -$entered_grn->this_quantity_inv;
263                         set_grn_item_credited($entered_grn, $supp_trans->supplier_id, $invoice_id, $date_);
264         }
265
266                 // For tax included pricelist the net price is calculated down from tax_included price.
267                 // To avoid rounding errors we have to operate on line value instead of price
268                 // Additionally we have to take into account differences in net value
269                 // due to variations in tax calculations on supplier side. More over there is no direct relation between
270                 // taxes and sales accounts, so we add net_diff just to first posted net value. This is _ugly_hack_
271                 // which save us from rewriting whole routine, and works right only for small tax differences.
272
273                 $taxfree_line = get_tax_free_price_for_item($entered_grn->item_code, $entered_grn->this_quantity_inv * $entered_grn->chg_price, 
274                           $supp_trans->tax_group_id, $supp_trans->tax_included) - $net_diff; $net_diff = 0;
275
276                 $line_tax = get_full_price_for_item($entered_grn->item_code,
277                         $entered_grn->this_quantity_inv * $entered_grn->chg_price, 0, $supp_trans->tax_included) - $taxfree_line;
278
279                 $stock_gl_code = get_stock_gl_code($entered_grn->item_code);
280
281                 $dim = !empty($supp_trans->dimension) ? $supp_trans->dimension :
282                         ($supplier['dimension_id'] ? $supplier['dimension_id'] : $stock_gl_code['dimension_id']);
283                 $dim2 = !empty($supp_trans->dimension2) ? $supp_trans->dimension2 :
284                         ($supplier['dimension2_id'] ? $supplier['dimension2_id'] : $stock_gl_code['dimension2_id']);
285         if ($trans_type == ST_SUPPCREDIT)
286                 {
287                         $iv_act = (is_inventory_item($entered_grn->item_code) ? $stock_gl_code["inventory_account"] : 
288                                 ($supplier["purchase_account"] ? $supplier["purchase_account"] : $stock_gl_code["cogs_account"]));
289                         $total += add_gl_trans_supplier($trans_type, $invoice_id, $date_, $iv_act,
290                                 $dim, $dim2, $taxfree_line, $supp_trans->supplier_id);
291                 }
292         else
293         {
294                 // -------------- if price changed since po received.
295                         $iv_act = is_inventory_item($entered_grn->item_code) ? ($clearing_act ? $clearing_act : $stock_gl_code["inventory_account"]) : 
296                                 ($supplier["purchase_account"] ? $supplier["purchase_account"] : $stock_gl_code["cogs_account"]);
297                 $old = update_supp_received_items_for_invoice($entered_grn->id, $entered_grn->po_detail_item,
298                         $entered_grn->this_quantity_inv, $entered_grn->chg_price);
299
300                         // Since the standard cost is always calculated on basis of the po unit_price,
301                         // this is also the price that should be the base of calculating the price diff.
302                         // In cases where there is two different po invoices on the same delivery with different unit prices this will not work either
303
304                         $old_price = $old[2];
305
306                         $old_date = sql2date($old[1]);
307                         if (!is_inventory_item($entered_grn->item_code))
308                                 $total += add_gl_trans_supplier($trans_type, $invoice_id, $date_, $iv_act,
309                                         $dim, $dim2, $taxfree_line, $supp_trans->supplier_id);
310                         else
311                         {
312                                 $ex_rate = get_exchange_rate_from_home_currency($supp_trans->currency, $old_date);
313                                 $old_value = get_tax_free_price_for_item($entered_grn->item_code, $entered_grn->this_quantity_inv * $old_price, 
314                                           $supp_trans->tax_group_id, $supp_trans->tax_included);
315
316                                 $currency = get_supplier_currency($supp_trans->supplier_id);
317
318                                 $total += add_gl_trans_supplier($trans_type, $invoice_id, $date_, $iv_act,
319                                         $dim, $dim2, $old_value, $supp_trans->supplier_id, "", $ex_rate);
320                                 $diff = get_diff_in_home_currency($supp_trans->supplier_id, $old_date, $date_, $old_value, 
321                                         $taxfree_line);
322
323                                 $mat_cost = update_average_material_cost(null, $entered_grn->item_code,
324                                         $diff/$entered_grn->this_quantity_inv, $entered_grn->this_quantity_inv, null, true);
325
326                                 //Add GL transaction for GRN Provision in case of difference
327                                 if ($diff != 0)
328                                 {
329                                         $total += add_gl_trans($trans_type, $invoice_id, $date_, $stock_gl_code["inventory_account"],
330                                                 $dim, $dim2, 'GRN Provision', $diff, null, null, null,
331                                                 "The general ledger transaction could not be added for the GRN of the inventory item");
332
333                                         //If QOH is 0 or negative then update_average_material_cost will be skipped
334                                         //Thus difference in PO and Supp Invoice should be handled separately
335                                         $qoh = get_qoh_on_date($entered_grn->item_code);
336                                         if ($qoh <= 0)
337                                         {
338                                                 global $Refs;
339
340                                                 $id = get_next_trans_no(ST_JOURNAL);
341                                                 $ref = $Refs->get_next(ST_JOURNAL, null, $date_);
342                                                 add_journal(ST_JOURNAL, $id, $diff, $date_, get_company_currency(), $ref);
343                                                 $stock_id = $entered_grn->item_code;
344                                                 $memo = _("Supplier invoice adjustment for zero inventory of ").$stock_id." "._("Invoice")." ".$supp_trans->reference;
345                                                 //Reverse the inventory effect if $qoh <=0
346                                                 add_gl_trans_std_cost(ST_JOURNAL, $id, $date_, 
347                                                         $stock_gl_code["inventory_account"],
348                                                         $dim, $dim2, $memo, -$diff);
349                                                 //GL Posting to inventory adjustment account
350                                                 add_gl_trans_std_cost(ST_JOURNAL, $id, $date_, 
351                                                         $stock_gl_code["adjustment_account"],
352                                                         $dim, $dim2, $memo, $diff);
353
354                                                 add_audit_trail(ST_JOURNAL, $id, $date_);
355                                                 add_comments(ST_JOURNAL, $id, $date_, $memo);
356                                                 $Refs->save(ST_JOURNAL, $id, $ref);
357                                         }
358                                 }
359                         }
360                         add_or_update_purchase_data($supp_trans->supplier_id, $entered_grn->item_code, $entered_grn->chg_price); 
361                 }
362                 update_purchase_value($entered_grn->item_code, $entered_grn->chg_price * $ex_rate);
363                 add_supp_invoice_item($trans_type, $invoice_id, $entered_grn->item_code,
364                         $entered_grn->item_description, 0,      $entered_grn->chg_price, $line_tax/$entered_grn->this_quantity_inv,
365                         $entered_grn->this_quantity_inv, $entered_grn->id, $entered_grn->po_detail_item, "");
366     } /* end of GRN postings */
367
368         /*Post a balance post if $total != 0 */
369         add_gl_balance($trans_type, $invoice_id, $date_, -$total, PT_SUPPLIER, $supp_trans->supplier_id); // ??
370
371         add_comments($trans_type, $invoice_id, $date_, $supp_trans->Comments);
372
373         $Refs->save($trans_type, $invoice_id, $supp_trans->reference);
374
375         if (count($supp_trans->src_docs) == 1)
376         {
377                 $invoice_no = key($supp_trans->src_docs);
378                 $invoice_alloc_balance = get_supp_trans_allocation_balance(ST_SUPPINVOICE, $supp_trans->src_docs);
379                 if ($invoice_alloc_balance > 0) 
380                 {       //the invoice is not already fully allocated 
381
382                         $trans = get_supp_trans($invoice_id, ST_SUPPCREDIT);
383                         $total = -$trans['Total'];
384
385                         $allocate_amount = ($invoice_alloc_balance > $total) ? $total : $invoice_alloc_balance;
386
387                         /*Now insert the allocation record if > 0 */
388                         if ($allocate_amount != 0) 
389                         {
390                                 add_supp_allocation($allocate_amount, ST_SUPPCREDIT, $invoice_id, ST_SUPPINVOICE, $invoice_no,
391                                         $supp_trans->supplier_id, $date_);
392                                 update_supp_trans_allocation(ST_SUPPINVOICE, $invoice_no, $supp_trans->supplier_id);
393                                 update_supp_trans_allocation(ST_SUPPCREDIT, $invoice_id, $supp_trans->supplier_id);
394
395                                 exchange_variation(ST_SUPPCREDIT, $invoice_id, ST_SUPPINVOICE, $supp_trans->src_docs, $date_,
396                                         $allocate_amount, PT_SUPPLIER);
397                         }
398                 }
399         }
400
401         reallocate_payments($invoice_id, ST_SUPPINVOICE, $date_, $to_allocate, $allocs, $supp_trans->supplier_id);
402         $supp_trans->trans_no = $invoice_id;
403         hook_db_postwrite($supp_trans, $supp_trans->trans_type);
404     commit_transaction();
405
406     return $invoice_id;
407 }
408
409 //----------------------------------------------------------------------------------------
410
411 // get all the invoices/credits for a given PO - quite long route to get there !
412
413 function get_po_invoices_credits($po_number)
414 {
415         $sql = "SELECT DISTINCT trans.trans_no, trans.type,     ov_amount+ov_discount+ov_gst AS Total,
416                                 trans.tran_date
417                         FROM ".TB_PREF."supp_trans trans,"
418                                 .TB_PREF."supp_invoice_items line,"
419                                 .TB_PREF."purch_order_details poline,"
420                                 .TB_PREF."purch_orders po
421                 WHERE line.supp_trans_no = trans.trans_no
422                         AND line.supp_trans_type = trans.type
423                         AND line.po_detail_item_id = poline.po_detail_item
424                         AND po.supplier_id = trans.supplier_id
425                         AND po.order_no = poline.order_no
426                         AND poline.order_no = ".db_escape($po_number);
427
428         return db_query($sql, "The invoices/credits for the po $po_number could not be retreived");
429 }
430
431 //----------------------------------------------------------------------------------------
432 //
433 // Retrieve tax ovverides from tax register.
434 //
435 function get_tax_overrides($trans_type, $trans_no)
436 {
437         $tax_overrides = array();
438         $sql = "SELECT amount, tax_type_id as id, rate
439                 FROM ".TB_PREF."trans_tax_details details
440                 WHERE trans_type=".db_escape($trans_type)." AND trans_no=".db_escape($trans_no)
441                 ." AND amount>0"; // skip reposting of nondeductible VAT
442
443         $result = db_query($sql, 'Cannot retrieve tax overrides');
444         while($row = db_fetch($result))
445         {
446                 $tax_overrides[$row['id']] = $row['amount'];
447         }
448
449         return $tax_overrides;
450 }
451 //----------------------------------------------------------------------------------------
452
453 function read_supp_invoice($trans_no, $trans_type, &$supp_trans)
454 {
455         $sql = "SELECT trans.*, supp_name, dimension_id, dimension2_id, curr_code
456                 FROM ".TB_PREF."supp_trans trans,"
457                         .TB_PREF."suppliers sup
458                 WHERE trans_no = ".db_escape($trans_no)." AND type = ".db_escape($trans_type)."
459                 AND sup.supplier_id=trans.supplier_id";
460
461         $result = db_query($sql, "Cannot retreive a supplier transaction");
462
463         if (db_num_rows($result) == 1)
464         {
465                 $trans_row = db_fetch($result);
466
467                 $supp_trans->supplier_id = $trans_row["supplier_id"];
468                 $supp_trans->supplier_name = $trans_row["supp_name"];
469                 $supp_trans->tran_date = sql2date($trans_row["tran_date"]);
470                 $supp_trans->due_date = sql2date($trans_row["due_date"]);
471                 $supp_trans->Comments = get_comments_string($trans_type, $trans_no);
472                 $supp_trans->reference = $trans_row["reference"];
473                 $supp_trans->supp_reference = $trans_row["supp_reference"];
474                 $supp_trans->ov_amount = $trans_row["ov_amount"];
475                 $supp_trans->ov_discount = $trans_row["ov_discount"];
476                 $supp_trans->ov_gst = $trans_row["ov_gst"];
477                 $supp_trans->tax_included = $trans_row["tax_included"];
478                 $supp_trans->dimension = $trans_row["dimension_id"];
479                 $supp_trans->dimension2 = $trans_row["dimension2_id"];
480                 $supp_trans->currency = $trans_row["curr_code"];
481
482                 $id = $trans_row["trans_no"];
483
484                 $result = get_supp_invoice_items($trans_type, $id);
485
486                 if (db_num_rows($result) > 0)
487                 {
488
489             while ($details_row = db_fetch($result))
490             {
491
492                 if ($details_row["gl_code"] == 0)
493                 {
494                         $supp_trans->add_grn_to_trans($details_row["grn_item_id"], $details_row["po_detail_item_id"], $details_row["stock_id"],
495                                         $details_row["description"], 
496                                         $details_row['qty_recd'],
497                                         $details_row['quantity_inv'],
498                                         ($trans_type == ST_SUPPCREDIT ? -1 : 1) * $details_row["quantity"], 0, $details_row["FullUnitPrice"], // SUPPCREDIT quantities are stored negative in database
499                                         0, 0);
500                 }
501                 else
502                 {
503                         $supp_trans->add_gl_codes_to_trans($details_row["gl_code"], get_gl_account_name($details_row["gl_code"]), 
504                                 $details_row["dimension_id"], $details_row["dimension2_id"],
505                                         $details_row["FullUnitPrice"], $details_row["memo_"]);
506                 }
507             }
508                         $supp_trans->tax_overrides = get_tax_overrides($trans_type, $trans_no);
509         }
510         else
511         {
512                         return display_db_error("Invalid supptrans details for supptrans number : $trans_no and type : $trans_type", $sql, true);
513                 }
514
515         }
516         else
517         {
518                 return display_db_error("Invalid supptrans number : $trans_no and type : $trans_type", $sql, true);
519         }
520 }
521
522 //----------------------------------------------------------------------------------------
523
524 function get_matching_invoice_item($stock_id, $po_item_id)
525 {
526         $sql = "SELECT *, tran_date
527                 FROM ".TB_PREF."supp_invoice_items,"
528                         .TB_PREF."supp_trans
529                 WHERE supp_trans_type = ".ST_SUPPINVOICE." AND stock_id = "
530                 .db_escape($stock_id)." AND po_detail_item_id = ".db_escape($po_item_id)."
531                 AND supp_trans_no = trans_no";
532         $result = db_query($sql, "Cannot retreive supplier transaction detail records");
533         return db_fetch($result);  
534 }
535
536 function void_supp_invoice($type, $type_no)
537 {
538         begin_transaction();
539
540         hook_db_prevoid($type, $type_no);
541         $trans = get_supp_trans($type_no, $type);
542
543         void_bank_trans($type, $type_no, true);
544
545         void_gl_trans($type, $type_no, true);
546
547         void_supp_allocations($type, $type_no);
548
549         void_supp_trans($type, $type_no);
550
551         $result = get_supp_invoice_items($type, $type_no);
552
553         // now remove this invoice/credit from any GRNs/POs that it's related to
554         if (db_num_rows($result) > 0)
555         {
556                 $date_ = Today();
557         while ($details_row = db_fetch($result))
558         {
559                 if ((int)$details_row["grn_item_id"] > 0) // it can be empty for GL items
560                 {
561                         // Changed 2008-10-17 by Joe Hunt to get the avg. material cost updated
562                                 $old = update_supp_received_items_for_invoice($details_row["grn_item_id"],
563                                         $details_row["po_detail_item_id"], -$details_row["quantity"], $details_row["FullUnitPrice"]); 
564                                 
565                                 //$diff = $details_row["FullUnitPrice"] - $old[2];
566                                 $old_date = sql2date($old[1]);
567                                 
568                                 $batch = get_grn_batch_from_item($details_row["grn_item_id"]);  
569                                 $grn = get_grn_batch($batch);
570                         if ($type == ST_SUPPCREDIT) // credit note 2009-06-14 Joe Hunt Must restore the po and grn
571                         {       // We must get the corresponding invoice item to check for price chg.
572                                         $match = get_matching_invoice_item($details_row["stock_id"], $details_row["po_detail_item_id"]);
573                                         //Chaitanya : Skipped costing block & handle in void_stock_move
574                                         // We must get the corresponding invoice item to check for price chg.
575                                         /*if ($match !== false)
576                                                 $mat_cost = update_average_material_cost($grn["supplier_id"], $details_row["stock_id"],  
577                                                         $match["unit_price"], -$details_row["quantity"], sql2date($match['tran_date']), $match['tran_date'] !== $trans['tran_date']);
578                                         else            
579                                                 $mat_cost = update_average_material_cost($grn["supplier_id"], $details_row["stock_id"],  
580                                                         $details_row["FullUnitPrice"], -$details_row["quantity"], $old_date, $old[1] !== $trans['tran_date']);*/
581
582                                         $sql = "UPDATE ".TB_PREF."purch_order_details
583                                         SET quantity_ordered = quantity_ordered + ".-$details_row["quantity"].", ";
584                                 if ($match !== false)
585                                         $sql .= "act_price=".$match['unit_price'].", ";
586                                 $sql .= "quantity_received = quantity_received + ".-$details_row["quantity"]."
587                                     WHERE po_detail_item = ".$details_row["po_detail_item_id"];
588                                         db_query($sql, "a purchase order details record could not be updated. This receipt of goods has not been processed ");
589                                         $sql = "UPDATE ".TB_PREF."grn_items SET qty_recd=qty_recd+".-$details_row["quantity"]."
590                                                 WHERE id=".$details_row["grn_item_id"];
591                                         db_query($sql);
592                         }
593                         else
594                         {
595                                         $diff = get_diff_in_home_currency($grn["supplier_id"], $old_date, sql2date($trans['tran_date']), $old[2], 
596                                                 $details_row["FullUnitPrice"]);
597                                         // Only adjust the avg for the diff
598                                         $mat_cost = update_average_material_cost(null, $details_row["stock_id"],
599                                                 $diff, -$details_row["quantity"], $old_date, true);
600                                                 
601                                         //Chaitanya : Reverse effect
602                                         //If QOH is 0 or negative then update_average_material_cost will be skipped
603                                         //Thus difference in PO and Supp Invoice should be handled separately
604                                         
605                                         $qoh = get_qoh_on_date($details_row["stock_id"]);
606                                         if ($diff*$details_row["quantity"] !=0 && $qoh <= 0)
607                                         {
608                                                 global $Refs;
609
610                                                 //Chaitanya : Post a journal entry
611                                                 $id = get_next_trans_no(ST_JOURNAL);
612                                                 $ref = $Refs->get_next(ST_JOURNAL, null, $date_);
613                                                 add_journal(ST_JOURNAL, $id, $details_row["quantity"] * $diff, $old_date, get_company_currency(), $ref);
614                                                 $stock_id = $details_row["stock_id"];
615                                                 $stock_gl_code = get_stock_gl_code($stock_id);
616                                                 $memo = "Reversing Supplier invoice adjustment for zero inventory of ".$stock_id." Invoice: ".$trans['reference'];
617                                                 //Reverse the inventory effect if $qoh <=0
618                                                 add_gl_trans_std_cost(ST_JOURNAL, $id, $old_date, 
619                                                         $stock_gl_code["inventory_account"],
620                                                         $details_row['dimension_id'], $details_row['dimension2_id'], $memo, $details_row["quantity"] * $diff);
621                                                 //GL Posting to inventory adjustment account
622                                                 add_gl_trans_std_cost(ST_JOURNAL, $id, $old_date, 
623                                                         $stock_gl_code["adjustment_account"],
624                                                         $details_row['dimension_id'], $details_row['dimension2_id'], $memo, -$details_row["quantity"] * $diff);
625                                                 
626                                                 add_audit_trail(ST_JOURNAL, $id, $old_date);
627                                                 add_comments(ST_JOURNAL, $id, $old_date, $memo);
628                                                 $Refs->save(ST_JOURNAL, $id, $ref);
629                                         }
630                                 }
631                 }
632         }
633         }
634
635         if ($type == ST_SUPPCREDIT) // void the credits in stock moves
636                 void_stock_move($type, $type_no); 
637         void_supp_invoice_items($type, $type_no);
638         void_trans_tax_details($type, $type_no);
639
640         commit_transaction();
641 }
642
643 //----------------------------------------------------------------------------------------
644 function get_gl_account_info($acc)
645 {
646         $sql = "SELECT account_code, account_name FROM ".TB_PREF."chart_master WHERE account_code=".db_escape($acc);
647         return db_query($sql,"get account information");
648 }
649
650 function is_reference_already_there($supplier_id, $supp_reference, $trans_no=0)
651 {
652         $sql = "SELECT COUNT(*) FROM ".TB_PREF."supp_trans WHERE supplier_id="
653                 .db_escape($supplier_id) . " AND supp_reference=" 
654                 .db_escape($supp_reference) 
655                 . " AND ov_amount!=0"; // ignore voided invoice references
656         if ($trans_no)
657                 $sql .= " AND trans_no!=$trans_no";
658         $result=db_query($sql,"The sql to check for the previous entry of the same invoice failed");
659
660         $myrow = db_fetch_row($result);
661         return $myrow[0] > 0;
662 }
663
664 function remove_not_invoice_item($id)
665 {
666         begin_transaction();
667
668     $myrow = get_grn_item_detail($id);
669
670     $grn = get_grn_batch($myrow['grn_batch_id']);
671
672     $supp = get_supplier($grn["supplier_id"]);
673
674         $sql = "UPDATE ".TB_PREF."purch_order_details
675                 SET quantity_received = qty_invoiced, quantity_ordered = qty_invoiced WHERE po_detail_item = ".$myrow["po_detail_item"];
676         db_query($sql, "The quantity invoiced of the purchase order line could not be updated");
677
678     $sql = "UPDATE ".TB_PREF."grn_items
679         SET qty_recd = quantity_inv WHERE id = ".$myrow["id"];
680     db_query($sql, "The quantity invoiced off the items received record could not be updated");
681
682     update_average_material_cost($grn["supplier_id"], $myrow["item_code"],
683         $myrow["unit_price"], -$myrow["QtyOstdg"], Today());
684
685     $price = $myrow['unit_price'];
686     if ($supp['tax_included'])
687         $price = get_tax_free_price_for_item($myrow['item_code'], $myrow['unit_price'], $supp['tax_group_id'], $supp['tax_included']);        
688
689     add_stock_move(ST_SUPPRECEIVE, $myrow["item_code"], $myrow['grn_batch_id'], $grn['loc_code'], sql2date($grn["delivery_date"]), "",
690         -$myrow["QtyOstdg"], $myrow['std_cost_unit'], $price);
691
692     $clearing_act = get_company_pref('grn_clearing_act');
693     if ($clearing_act) {    // otherwise GRN clearing account is not used
694         if (is_inventory_item($myrow['item_code']))
695         {
696             $total = 0;
697             $stock_gl_code = get_stock_gl_code($myrow['item_code']);
698             $date = sql2date($grn["delivery_date"]);
699             $total += add_gl_trans_supplier(ST_SUPPRECEIVE, $myrow['grn_batch_id'], $date, $stock_gl_code["inventory_account"],
700                 $stock_gl_code['dimension_id'], $stock_gl_code['dimension2_id'],
701                 -$myrow['QtyOstdg'] * $price, $grn["supplier_id"], "", 0, _("GRN Removal"));
702             $total += add_gl_trans_supplier(ST_SUPPRECEIVE, $myrow['grn_batch_id'], $date, $clearing_act,
703                 0, 0, -$total, null, "", 0, _("GRN Removal"));
704         }
705     }
706
707     commit_transaction();
708 }
709
710 function find_src_invoices($cart)
711 {
712         $invoices = $po_ids = array();
713         foreach($cart->grn_items as $item)
714                 $po_ids[] = "'$item->po_detail_item'";  // credit item lines
715
716         if (count($po_ids)) {
717                 $sql = "SELECT DISTINCT trans.trans_no, trans.reference, trans.supp_reference
718                         FROM ".TB_PREF."supp_invoice_items items
719                         LEFT JOIN ".TB_PREF."supp_trans trans ON trans.trans_no=items.supp_trans_no AND trans.`type`=items.supp_trans_type
720                         WHERE items.po_detail_item_id IN (" . implode(',', $po_ids). ")"." AND items.supp_trans_type=20";
721                 $result = db_query($sql, "cannot find source invoice details");
722                 while ($rec = db_fetch($result))
723                 {
724                         $invoices[$rec['trans_no']] = $rec['supp_reference']; // array($rec['reference'], $rec['supp_reference']);
725                 }
726         }
727         return $invoices;
728 }