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