e2da684c2f7f167a110100b482b343d85c0629ff
[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                         $supp_trans->tran_date = end_fiscalyear();
41         }
42         if ($supp_trans->supplier_id != $supplier_id)
43             get_duedate_from_terms($supp_trans);
44
45     $supp_trans->supplier_id = $supplier_id;
46     $supp_trans->tax_included = $myrow['tax_included'];
47     $supp_trans->supplier_name = $myrow['supp_name'];
48         $supp_trans->terms = array( 
49                 'description' => $myrow['terms'],
50                 'days_before_due' => $myrow['days_before_due'], 
51                 'day_in_following_month' => $myrow['day_in_following_month'] );
52
53         $supp_trans->credit = $myrow['cur_credit'];
54
55         $supp_trans->tax_description = $myrow['tax_group_name'];
56         $supp_trans->tax_group_id = $myrow['tax_group_id'];
57         $supp_trans->dimension = $myrow['dimension_id'];
58         $supp_trans->dimension2 = $myrow['dimension2_id'];
59         $supp_trans->currency = $myrow['curr_code'];
60  
61 }
62
63 //-------------------------------------------------------------------------------------------------
64 //      Updates invoiced quantity in PO and GRN line, and act_price in PO
65 //  Returns:
66 // if chg_price is set:  previous act_price, delivery date and unit_price from PO
67 //
68 function update_supp_received_items_for_invoice($id, $po_detail_item, $qty_invoiced, $chg_price=null)
69 {
70         if ($chg_price != null)
71         {
72                 $sql = "SELECT act_price, unit_price FROM ".TB_PREF."purch_order_details WHERE
73                         po_detail_item = ".db_escape($po_detail_item);
74                 $result = db_query($sql, "The old actual price of the purchase order line could not be retrieved");
75                 $row = db_fetch($result);
76                 $ret = $row['act_price'];
77
78                 $unit_price = $row['unit_price']; //Added by Rasmus
79
80                 $sql = "SELECT delivery_date 
81                         FROM ".TB_PREF."grn_batch grn,"
82                                 .TB_PREF."grn_items line
83                         WHERE
84                                 grn.id = line.grn_batch_id AND line.id=".db_escape($id);
85                 $result = db_query($sql, "The old delivery date from the received record cout not be retrieved");
86                 $row = db_fetch($result);
87                 $date = $row['delivery_date'];
88         }
89         else
90         {
91                 $ret = 0;
92                 $date = "";
93                 $unit_price = 0; // Added by Rasmus
94         }
95     $sql = "UPDATE ".TB_PREF."purch_order_details
96                 SET qty_invoiced = qty_invoiced + ".db_escape($qty_invoiced);
97
98         if ($chg_price != null)
99                 $sql .= " , act_price = ".db_escape($chg_price);
100
101         $sql .= " WHERE po_detail_item = ".db_escape($po_detail_item);
102     db_query($sql, "The quantity invoiced of the purchase order line could not be updated");
103
104     $sql = "UPDATE ".TB_PREF."grn_items
105         SET quantity_inv = quantity_inv + ".db_escape($qty_invoiced)."
106         WHERE id = ".db_escape($id);
107         db_query($sql, "The quantity invoiced off the items received record could not be updated");
108         return array($ret, $date, $unit_price);
109 }
110
111 function get_diff_in_home_currency($supplier, $old_date, $date, $amount1, $amount2)
112 {
113         $dec = user_price_dec();
114         price_decimal_format($amount2, $dec);
115         $currency = get_supplier_currency($supplier);
116         $ex_rate = get_exchange_rate_to_home_currency($currency, $old_date);
117         $amount1 = $amount1 / $ex_rate;
118         $ex_rate = get_exchange_rate_to_home_currency($currency, $date);
119         $amount2 = $amount2 / $ex_rate;
120         $diff = $amount2 - $amount1;
121         //return round2($diff, $dec);
122         return $diff;
123 }
124 //----------------------------------------------------------------------------------------
125
126 function add_supp_invoice(&$supp_trans)  //, $already_voided=false, $allocs=null)
127 {
128         global $Refs, $systypes_array;
129
130         $trans_no = $supp_trans->trans_no;
131         $trans_type = $supp_trans->trans_type;
132         $supplier = get_supplier($supp_trans->supplier_id);
133         $dec = user_price_dec();
134
135         begin_transaction();
136         hook_db_prewrite($supp_trans, $trans_type);
137
138         if ($trans_no) {        // void old transaction
139 //       if (!$already_voided) {        // transaction is already voided in case of direct invoice edition, which is needed for proper inventory value handling
140                 $allocs = get_payments_for($trans_no, $trans_type, $supp_trans->supplier_id); // save allocations
141                 void_supp_invoice($trans_type, $trans_no, true);
142                 add_audit_trail($trans_type, $trans_no, Today(), _("Voided."));
143                 add_voided_entry($trans_type, $trans_no, Today(), _("Document reentered."));
144                 $Refs->restore_last($trans_type, $trans_no);
145 //       }
146         } else
147                 $allocs = get_po_prepayments($supp_trans);
148
149         // register exchange rate when used first time on date
150         add_new_exchange_rate($supplier['curr_code'], $supp_trans->tran_date, $supp_trans->ex_rate);
151
152         // store basic transaction info
153         $invoice_id = write_supp_trans($trans_type, 0, $supp_trans->supplier_id, $supp_trans->tran_date, $supp_trans->due_date,
154                 $supp_trans->reference, $supp_trans->supp_reference, 0, 0, 0, "", $supp_trans->ex_rate, $supp_trans->tax_included);
155
156         if ($trans_no)
157                 move_trans_attachments($trans_type, $trans_no, $invoice_id);
158
159         $supp_trans->trans_no = $invoice_id;
160     $date_ = $supp_trans->tran_date;
161
162         if (!$supp_trans->ex_rate)
163                 $supp_trans->ex_rate = get_exchange_rate_from_home_currency($supplier['curr_code'], $date_);
164
165         // prepare cart for GL postings 
166         $gl_cart = new items_cart($trans_type, $invoice_id);
167         $gl_cart->tran_date = $date_;
168         $gl_cart->set_currency($supplier['curr_code'], $supp_trans->ex_rate);
169
170     $clearing_act = get_company_pref('grn_clearing_act');
171
172         $supp_trans->split_line_values();       // generate amounts for GL postings
173
174         $tax_total = 0;
175         $net_total = 0;
176         foreach($supp_trans->grn_items as $item)
177         {
178         if ($trans_type == ST_SUPPCREDIT)
179                 {
180                         $item->this_quantity_inv = -$item->this_quantity_inv;
181                         set_grn_item_credited($item, $supp_trans->supplier_id, $invoice_id, $date_);
182                 }
183                 $item_gl = $item->gl_amounts;
184
185                 $stock_gl_code = get_stock_gl_code($item->item_code);
186                 $dimension = !empty($supp_trans->dimension) ? $supp_trans->dimension :
187                         ($supplier['dimension_id'] ? $supplier['dimension_id'] : $stock_gl_code['dimension_id']);
188                 $dimension2 = !empty($supp_trans->dimension2) ? $supp_trans->dimension2 :
189                         ($supplier['dimension2_id'] ? $supplier['dimension2_id'] : $stock_gl_code['dimension2_id']);
190
191                 $line_tax = 0;
192                 foreach($item_gl as $index => $value)
193                 {
194                          if (is_numeric($index)) // taxes
195                          {
196                                 if ($value['Deductible'])
197                                 {       // GL: VAT deductible
198                                 $gl_cart->add_gl_item($value['purchasing_gl_code'], 0, 0, $value['Deductible']+$value['Adjust'],  //FIXME: 'Adjust' ?
199                                                 $value['Payable'] ? sprintf(_('Internal invoice %s input tax'), $supp_trans->reference) : '');
200                                         // GL: VAT adjustment due to vat factor
201                                         if ($value['Adjust'])
202                                                 $gl_cart->add_gl_item(get_company_pref('tax_adjustments_act'), 0, 0, -$value['Adjust']);
203                                 }
204                                 if ($value['Payable']) // reverse charge/intracommunity aquisition
205                                 {
206                                         $gl_cart->add_gl_item($value['sales_gl_code'], 0, 0, -$value['Payable'],
207                                         sprintf(_('Internal invoice %s input tax'), $supp_trans->reference));
208                                 }
209                                 // GL: AP account (vat part)
210                                 if ($value['Value'])
211                                 {
212                                         $gl_cart->add_gl_item($supplier["payable_account"], 0, 0, -$value['Value'] , '', '', $supp_trans->supplier_id);
213                                 }
214                                 if (($item->vat_category == VC_REVERSE) && $supplier['tax_area'] == TA_EU)
215                                         $vat_category = VC_OTHER;
216                                 else
217                                         $vat_category = $item->vat_category;
218
219                                 add_trans_tax_details($trans_type, $invoice_id, 
220                                         $value['tax_type_id'], $value['rate'], $supp_trans->tax_included, $value['Value'],
221                                         $item_gl['Net'], $supp_trans->ex_rate, $date_, $supp_trans->supp_reference, TR_INPUT, $supp_trans->tax_group_id, $vat_category);
222
223                                         // $value['Deductible'], ???
224
225                                 $tax_total += $value['Value'];
226
227                                 $line_tax += $value['Payable'] ? $value['Payable'] : $value['Value'];
228                         }
229                 }
230                 // GL: AP account (net)
231                 $gl_cart->add_gl_item($supplier["payable_account"], 0, 0, -$item_gl['Net'], '', '', $supp_trans->supplier_id);
232                 $net_total += $item_gl['Net'];
233
234                 // cost line value
235                 $taxfree_line =  $item_gl['Cost'];
236
237                 $old = update_supp_received_items_for_invoice($item->id, $item->po_detail_item,
238                         $item->this_quantity_inv, $item->chg_price);
239
240                 // Since the standard cost is always calculated on basis of the po unit_price,
241                 // this is also the price that should be the base of calculating the price diff.
242                 // In cases where there is two different po invoices on the same delivery with different unit prices this will not work either
243                 $old_price = $old[2];
244
245                 /*
246                         If statement is removed. Should always check for deliveries nomatter if there has been a price change. 
247                 */
248                 $old_date = sql2date($old[1]);
249
250                 if (!is_inventory_item($item->item_code))
251                 {
252                         $gl_cart->add_gl_item($supplier["purchase_account"] ? $supplier["purchase_account"] : $stock_gl_code["cogs_account"], $dimension, $dimension2,  $taxfree_line);
253
254                 } else {
255
256                         $val = split_item_price($item->item_code, $item->this_quantity_inv * $old_price, 
257                                   $supp_trans->tax_group_id, $supp_trans->tax_included);
258
259                         $GRN_value = $val['Cost'];
260
261                         $diff = get_diff_in_home_currency($supp_trans->supplier_id, $old_date, $date_, $GRN_value,
262                                 $taxfree_line);
263
264                         // update average cost with per item part of difference (between invoice value and value set on po/grn)
265                         update_average_material_cost(null, $item->item_code,
266                                 $diff/$item->this_quantity_inv, $item->this_quantity_inv, null, true, "add_supp_invoice $trans_type:$invoice_id");
267
268                         if ($clearing_act)      // no postings on GRN, so post full net value
269                         {
270                                 //Add GL transaction for GRN Provision in case of difference
271                                 // material was already posted due GRN; post differences in value
272                                 if ($diff != 0)
273                                 {
274
275                                         $gl_cart->add_gl_item($stock_gl_code["inventory_account"],                      // cart is in supplier currency, so need to fix by ex_rate here
276                                                 $dimension, $dimension2, $diff/$gl_cart->rate, _('GRN Provision')); // subject to rounding errors?
277                                         $gl_cart->add_gl_item($clearing_act,
278                                                 $dimension, $dimension2, -$diff/$gl_cart->rate, _('GRN Provision'));
279
280                                         //Chaitanya
281                                         //If QOH is 0 or negative then update_average_material_cost will be skipped
282                                         //Thus difference in PO and Supp Invoice should be handled separately
283                                         $qoh = get_qoh_on_date($item->item_code);
284                                         if ($qoh <= 0)
285                                         {
286                                                 global $Refs;
287                                                         //Chaitanya : Post a journal entry
288                                                 $id = get_next_trans_no(ST_JOURNAL);
289                                                 $ref = $Refs->get_next(ST_JOURNAL, null, $date_);
290                                                 add_journal(ST_JOURNAL, $id, $diff, $date_, get_company_currency(), $ref);
291                                                 $stock_id = $item->item_code;
292                                                 $stock_gl_code = get_stock_gl_code($stock_id);
293                                                 $memo = _("Supplier invoice adjustment for zero inventory of ").$stock_id." "._("Invoice")." ".$supp_trans->reference;
294                                                 //Reverse the inventory effect if $qoh <=0
295                                                 add_gl_trans_std_cost(ST_JOURNAL, $id, $date_, 
296                                                         $stock_gl_code["inventory_account"],
297                                                         $dimension, $dimension2,
298                                                         $memo, -$diff);
299                                                 //GL Posting to inventory adjustment account
300                                                 add_gl_trans_std_cost(ST_JOURNAL, $id, $date_, 
301                                                         $stock_gl_code["adjustment_account"],
302                                                         $dimension, $dimension2,
303                                                         $memo, $diff);
304                                                         add_audit_trail(ST_JOURNAL, $id, $date_);
305                                                 add_comments(ST_JOURNAL, $id, $date_, $memo);
306                                                 $Refs->save(ST_JOURNAL, $id, $ref);
307                                         }
308                                 }
309                                 $gl_cart->add_gl_item($clearing_act, $dimension, $dimension2, $taxfree_line);
310                         }
311                         else
312                                 $gl_cart->add_gl_item($stock_gl_code["inventory_account"], $dimension, $dimension2,     $taxfree_line);
313
314                 }
315
316 //        if (is_fa_item($item->item_code)) {
317 //          add_actual_cost($item->order_price, $item->item_code);
318 //        }
319
320                 add_or_update_purchase_data($supp_trans->supplier_id, $item->item_code, $item->chg_price); 
321
322                 add_supp_invoice_item($trans_type, $invoice_id, $item->item_code,
323                         $item->item_description, 0,     $item->chg_price, $line_tax/$item->this_quantity_inv,
324                         $item->this_quantity_inv, $item->id, $item->po_detail_item);
325     } // grn_items
326
327     /*GL Items are straight forward - just do the debit postings to the GL accounts specified -
328     the credit is to creditors control act */
329     foreach ($supp_trans->gl_codes as $entered_gl_code)
330     {
331                 if ($trans_type == ST_SUPPCREDIT)
332                         $entered_gl_code->amount = -$entered_gl_code->amount;
333
334                 $memo_ = $entered_gl_code->memo_;
335
336                 $index = is_tax_account($entered_gl_code->gl_code);
337                 if ($index !== false)
338                 {
339                         $gl_cart->add_gl_item($entered_gl_code->gl_code, $entered_gl_code->gl_dim, $entered_gl_code->gl_dim2, $entered_gl_code->amount);
340                         // store tax details if the gl account is a tax account
341                         if ($trans_type == ST_SUPPCREDIT)
342                                 $entered_gl_code->amount = -$entered_gl_code->amount;
343                         add_gl_tax_details($entered_gl_code->gl_code, 
344                                 $trans_type, $invoice_id, $entered_gl_code->amount,
345                                 $supp_trans->ex_rate, $date_, $supp_trans->supp_reference, $supp_trans->tax_included, null, $supp_trans->tax_group_id);
346
347                         $tax_total += $entered_gl_code->amount;
348                 } else {
349                         $gl_cart->add_gl_item($entered_gl_code->gl_code, $entered_gl_code->gl_dim, $entered_gl_code->gl_dim2, $entered_gl_code->amount);
350                         $net_total += $entered_gl_code->amount;
351                 }
352                 $gl_cart->add_gl_item($supplier["payable_account"], 0, 0, -$entered_gl_code->amount, '', '', $supp_trans->supplier_id);
353
354                 add_supp_invoice_gl_item($trans_type, $invoice_id, $entered_gl_code->gl_code, $entered_gl_code->amount, $memo_,
355                         $entered_gl_code->gl_dim, $entered_gl_code->gl_dim2);
356     }
357
358         $gl_cart->reduce_gl();  // minimize GL lines
359
360         $gl_cart->write_gl(false); // don't check balances here: we are working on two (maybe unbalanced) carts
361
362         update_supp_trans_sums($trans_type, $invoice_id, round($net_total,2), round($tax_total,2));
363
364         add_comments($trans_type, $invoice_id, $date_, $supp_trans->Comments);
365
366         $Refs->save($trans_type, $invoice_id, $supp_trans->reference);
367
368         if (count($supp_trans->src_docs) == 1)
369         {
370                 $invoice_no = key($supp_trans->src_docs);
371                 $invoice_alloc_balance = get_supp_trans_allocation_balance(ST_SUPPINVOICE, $supp_trans->src_docs);
372                 if ($invoice_alloc_balance > 0) 
373                 {       //the invoice is not already fully allocated 
374
375                         $trans = get_supp_trans($invoice_id, ST_SUPPCREDIT);
376                         $total = -$trans['Total'];
377
378                         $allocate_amount = ($invoice_alloc_balance > $total) ? $total : $invoice_alloc_balance;
379
380                         /*Now insert the allocation record if > 0 */
381                         if ($allocate_amount != 0) 
382                         {
383                                 add_supp_allocation($allocate_amount, ST_SUPPCREDIT, $invoice_id, ST_SUPPINVOICE, $invoice_no,
384                                         $supp_trans->supplier_id, $date_);
385                                 update_supp_trans_allocation(ST_SUPPINVOICE, $invoice_no, $supp_trans->supplier_id);
386                                 update_supp_trans_allocation(ST_SUPPCREDIT, $invoice_id, $supp_trans->supplier_id);
387
388                                 exchange_variation(ST_SUPPCREDIT, $invoice_id, ST_SUPPINVOICE, $supp_trans->src_docs, $date_,
389                                         $allocate_amount, PT_SUPPLIER);
390                         }
391                 }
392         }
393
394         reallocate_payments($invoice_id, ST_SUPPINVOICE, $date_, $net_total+$tax_total, $allocs, $supp_trans->supplier_id);
395
396         hook_db_postwrite($supp_trans, $supp_trans->trans_type);
397     commit_transaction();
398     return $invoice_id;
399 }
400
401 //----------------------------------------------------------------------------------------
402
403 // get all the invoices/credits for a given PO - quite long route to get there !
404
405 function get_po_invoices_credits($po_number)
406 {
407         $sql = "SELECT DISTINCT trans.trans_no, trans.type,     ov_amount+ov_discount+ov_gst AS Total,
408                                 trans.tran_date
409                         FROM ".TB_PREF."supp_trans trans,"
410                                 .TB_PREF."supp_invoice_items line,"
411                                 .TB_PREF."purch_order_details poline,"
412                                 .TB_PREF."purch_orders po
413                 WHERE line.supp_trans_no = trans.trans_no
414                         AND line.supp_trans_type = trans.type
415                         AND line.po_detail_item_id = poline.po_detail_item
416                         AND po.supplier_id = trans.supplier_id
417                         AND po.order_no = poline.order_no
418                         AND poline.order_no = ".db_escape($po_number);
419
420         return db_query($sql, "The invoices/credits for the po $po_number could not be retreived");
421 }
422
423 //----------------------------------------------------------------------------------------
424 //
425 // Retrieve tax ovverides from tax register.
426 //
427 function get_tax_overrides($trans_type, $trans_no)
428 {
429         $tax_overrides = array();
430         $sql = "SELECT amount, tax_type_id as id, rate
431                 FROM ".TB_PREF."trans_tax_details details
432                 WHERE trans_type=".db_escape($trans_type)." AND trans_no=".db_escape($trans_no)
433                 ." AND amount>0"; // skip reposting of nondeductible VAT
434
435         $result = db_query($sql, 'Cannot retrieve tax overrides');
436         while($row = db_fetch($result))
437         {
438                 $tax_overrides[$row['id']] = $row['amount'];
439         }
440
441         return $tax_overrides;
442 }
443 //----------------------------------------------------------------------------------------
444
445 function read_supp_invoice($trans_no, $trans_type, &$supp_trans)
446 {
447         $sql = "SELECT trans.*, supp_name, dimension_id, dimension2_id, curr_code
448                 FROM ".TB_PREF."supp_trans trans,"
449                         .TB_PREF."suppliers sup
450                 WHERE trans_no = ".db_escape($trans_no)." AND type = ".db_escape($trans_type)."
451                 AND sup.supplier_id=trans.supplier_id";
452
453         $result = db_query($sql, "Cannot retreive a supplier transaction");
454
455         if (db_num_rows($result) == 1)
456         {
457                 $trans_row = db_fetch($result);
458
459                 $supp_trans->supplier_id = $trans_row["supplier_id"];
460                 $supp_trans->supplier_name = $trans_row["supp_name"];
461                 $supp_trans->tran_date = sql2date($trans_row["tran_date"]);
462                 $supp_trans->due_date = sql2date($trans_row["due_date"]);
463                 $supp_trans->Comments = get_comments_string($trans_type, $trans_no);
464                 $supp_trans->reference = $trans_row["reference"];
465                 $supp_trans->supp_reference = $trans_row["supp_reference"];
466                 $supp_trans->ov_amount = $trans_row["ov_amount"];
467                 $supp_trans->ov_discount = $trans_row["ov_discount"];
468                 $supp_trans->ov_gst = $trans_row["ov_gst"];
469                 $supp_trans->tax_included = $trans_row["tax_included"];
470                 $supp_trans->dimension = $trans_row["dimension_id"];
471                 $supp_trans->dimension2 = $trans_row["dimension2_id"];
472                 $supp_trans->currency = $trans_row["curr_code"];
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 $myrow[0] > 0;
654 }
655
656 function find_src_invoices($cart)
657 {
658         $invoices = $po_ids = array();
659         foreach($cart->grn_items as $item)
660                 $po_ids[] = "'$item->po_detail_item'";  // credit item lines
661
662         if (count($po_ids)) {
663                 $sql = "SELECT DISTINCT trans.trans_no, trans.reference, trans.supp_reference
664                         FROM ".TB_PREF."supp_invoice_items items
665                         LEFT JOIN ".TB_PREF."supp_trans trans ON trans.trans_no=items.supp_trans_no AND trans.`type`=items.supp_trans_type
666                         WHERE items.po_detail_item_id IN (" . implode(',', $po_ids). ")"." AND items.supp_trans_type=20";
667                 $result = db_query($sql, "cannot find source invoice details");
668                 while ($rec = db_fetch($result))
669                 {
670                         $invoices[$rec['trans_no']] = $rec['supp_reference']; // array($rec['reference'], $rec['supp_reference']);
671                 }
672         }
673         return $invoices;
674 }