More regarding costing valuations
[fa-stable.git] / purchasing / includes / db / invoice_db.inc
1 <?php
2 /**********************************************************************
3     Copyright (C) FrontAccounting, LLC.
4         Released under the terms of the GNU General Public License, GPL, 
5         as published by the Free Software Foundation, either version 3 
6         of the License, or (at your option) any later version.
7     This program is distributed in the hope that it will be useful,
8     but WITHOUT ANY WARRANTY; without even the implied warranty of
9     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  
10     See the License here <http://www.gnu.org/licenses/gpl-3.0.html>.
11 ***********************************************************************/
12 include_once($path_to_root . "/purchasing/includes/db/invoice_items_db.inc");
13
14 //--------------------------------------------------------------------------------------------------
15
16 function read_supplier_details_to_trans(&$supp_trans, $supplier_id)
17 {
18         $sql = "SELECT supp.supp_name, terms.terms, terms.days_before_due,
19                 terms.day_in_following_month, supp.tax_included,
20                 supp.tax_group_id, tax_group.name AS tax_group_name,
21                 supp.credit_limit - Sum(IFNULL(IF(trans.type=".ST_SUPPCREDIT.", -1, 1) 
22                         * (ov_amount + ov_gst + ov_discount),0)) as cur_credit
23                 FROM ".TB_PREF."suppliers supp LEFT JOIN ".TB_PREF."supp_trans trans ON supp.supplier_id = trans.supplier_id, ".TB_PREF."payment_terms terms, ".TB_PREF."tax_groups tax_group
24                 WHERE supp.tax_group_id = tax_group.id
25                 AND supp.payment_terms=terms.terms_indicator
26                 AND supp.supplier_id = ".db_escape($supplier_id)." GROUP BY supp.supp_name";
27
28         $result = db_query($sql, "The supplier record selected: " . $supplier_id . " cannot be retrieved");
29
30         $myrow = db_fetch($result);
31
32     $supp_trans->supplier_id = $supplier_id;
33     $supp_trans->tax_included = $myrow['tax_included'];
34     $supp_trans->supplier_name = $myrow['supp_name'];
35         $supp_trans->terms = array( 
36                 'description' => $myrow['terms'],
37                 'days_before_due' => $myrow['days_before_due'], 
38                 'day_in_following_month' => $myrow['day_in_following_month'] );
39                 
40         $supp_trans->credit = $myrow['cur_credit'];
41
42         $supp_trans->tax_description = $myrow['tax_group_name'];
43         $supp_trans->tax_group_id = $myrow['tax_group_id'];
44
45     if ($supp_trans->tran_date == "")
46     {
47                 $supp_trans->tran_date = Today();
48                 if (!is_date_in_fiscalyear($supp_trans->tran_date))
49                         $supp_trans->tran_date = end_fiscalyear();
50         }
51     //if ($supp_trans->due_date=="") {
52     //  get_duedate_from_terms($supp_trans);
53     //}
54     get_duedate_from_terms($supp_trans);
55 }
56
57 //--------------------------------------------------------------------------------------------------
58
59 function update_supp_received_items_for_invoice($id, $po_detail_item, $qty_invoiced, $chg_price=null)
60 {
61         if ($chg_price != null)
62         {
63                 $sql = "SELECT act_price, unit_price FROM ".TB_PREF."purch_order_details WHERE
64                         po_detail_item = ".db_escape($po_detail_item);
65                 $result = db_query($sql, "The old actual price of the purchase order line could not be retrieved");
66                 $row = db_fetch_row($result);
67                 $ret = $row[0];
68
69                 $unit_price = $row[1]; //Added by Rasmus
70
71                 $sql = "SELECT delivery_date FROM ".TB_PREF."grn_batch,".TB_PREF."grn_items WHERE
72                         ".TB_PREF."grn_batch.id = ".TB_PREF."grn_items.grn_batch_id AND "
73                         .TB_PREF."grn_items.id=".db_escape($id);
74                 $result = db_query($sql, "The old delivery date from the received record cout not be retrieved");
75                 $row = db_fetch_row($result);
76                 $date = $row[0];
77         }
78         else
79         {
80                 $ret = 0;
81                 $date = "";
82                 $unit_price = 0; // Added by Rasmus
83         }
84     $sql = "UPDATE ".TB_PREF."purch_order_details
85                 SET qty_invoiced = qty_invoiced + ".db_escape($qty_invoiced);
86
87         if ($chg_price != null)
88                 $sql .= " , act_price = ".db_escape($chg_price);
89
90         $sql .= " WHERE po_detail_item = ".db_escape($po_detail_item);
91     db_query($sql, "The quantity invoiced of the purchase order line could not be updated");
92
93     $sql = "UPDATE ".TB_PREF."grn_items
94         SET quantity_inv = quantity_inv + ".db_escape($qty_invoiced)."
95         WHERE id = ".db_escape($id);
96         db_query($sql, "The quantity invoiced off the items received record could not be updated");
97         return array($ret, $date, $unit_price);
98 }
99
100 function get_diff_in_home_currency($supplier, $old_date, $date, $amount1, $amount2)
101 {
102         $dec = user_price_dec();
103         price_decimal_format($amount2, $dec);
104         $currency = get_supplier_currency($supplier);
105         $ex_rate = get_exchange_rate_to_home_currency($currency, $old_date);
106         $amount1 = $amount1 / $ex_rate;
107         $ex_rate = get_exchange_rate_to_home_currency($currency, $date);
108         $amount2 = $amount2 / $ex_rate;
109         $diff = $amount2 - $amount1;
110         //return round2($diff, $dec);
111         return $diff;
112 }
113 //----------------------------------------------------------------------------------------
114
115 function add_supp_invoice($supp_trans, $invoice_no=0) // do not receive as ref because we change locally
116 {
117         global $Refs;
118
119         //$company_currency = get_company_currency();
120         /*Start an sql transaction */
121         begin_transaction();
122         hook_db_prewrite($supp_trans, $supp_trans->trans_type);
123         $tax_total = 0;
124     $taxes = $supp_trans->get_taxes($supp_trans->tax_group_id);
125
126     foreach ($taxes as $n => $taxitem)
127     {
128                 $taxes[$n]['Value'] =  round2($taxitem['Value'], user_price_dec());
129         $tax_total += $taxes[$n]['Value'];
130     }
131
132         $invoice_items_total = $supp_trans->get_items_total();
133 //      $invoice_items_total = $supp_trans->get_total_taxfree($supp_trans->tax_group_id);
134
135         if($supp_trans->tax_included==0) {
136                 $item_added_tax = $tax_total;
137         } else {
138                 $item_added_tax = 0;
139                 
140         }
141
142         $trans_type = $supp_trans->trans_type;
143         
144         if ($trans_type == ST_SUPPCREDIT)
145         {
146                 // let's negate everything because it's a credit note
147                 $invoice_items_total = -$invoice_items_total;
148                 $tax_total = -$tax_total;
149                 $supp_trans->ov_discount = -$supp_trans->ov_discount; // this isn't used at all...
150                 $item_added_tax = -$item_added_tax;
151         }
152
153     $date_ = $supp_trans->tran_date;
154         $ex_rate = get_exchange_rate_from_home_currency(get_supplier_currency($supp_trans->supplier_id), $date_);
155
156     /*First insert the invoice into the supp_trans table*/
157         $invoice_id = write_supp_trans($trans_type, 0, $supp_trans->supplier_id, $date_, $supp_trans->due_date,
158                 $supp_trans->reference, $supp_trans->supp_reference,
159                 $invoice_items_total, $item_added_tax, $supp_trans->ov_discount, "", 0, $supp_trans->tax_included);
160
161         $total = 0;
162     /* Now the control account */
163     $supplier_accounts = get_supplier_accounts($supp_trans->supplier_id);
164     $total += add_gl_trans_supplier($trans_type, $invoice_id, $date_, $supplier_accounts["payable_account"], 0, 0,
165                 -($invoice_items_total +  $item_added_tax + $supp_trans->ov_discount),
166                 $supp_trans->supplier_id,
167                 "The general ledger transaction for the control total could not be added");
168
169     foreach ($supp_trans->gl_codes as $entered_gl_code)
170     {
171
172             /*GL Items are straight forward - just do the debit postings to the GL accounts specified -
173             the credit is to creditors control act  done later for the total invoice value + tax*/
174
175                 if ($trans_type == ST_SUPPCREDIT)
176                         $entered_gl_code->amount = -$entered_gl_code->amount;
177
178                 $memo_ = $entered_gl_code->memo_;
179                 $total += add_gl_trans_supplier($trans_type, $invoice_id, $date_, $entered_gl_code->gl_code,
180                         $entered_gl_code->gl_dim, $entered_gl_code->gl_dim2, $entered_gl_code->amount, $supp_trans->supplier_id, "", 0, $memo_);
181
182                 add_supp_invoice_gl_item($trans_type, $invoice_id, $entered_gl_code->gl_code,
183                         $entered_gl_code->amount, $memo_);
184
185                 // store tax details if the gl account is a tax account
186                 if ($trans_type == ST_SUPPCREDIT)
187                         $entered_gl_code->amount = -$entered_gl_code->amount;
188                 add_gl_tax_details($entered_gl_code->gl_code, 
189                         $trans_type, $invoice_id, $entered_gl_code->amount,
190                         $ex_rate, $date_, $supp_trans->supp_reference, $supp_trans->tax_included);
191     }
192     
193     $clearing_act = get_company_pref('grn_clearing_act');
194     foreach ($supp_trans->grn_items as $line_no => $entered_grn)
195     {
196
197         if ($trans_type == ST_SUPPCREDIT)
198         {
199                         $entered_grn->this_quantity_inv = -$entered_grn->this_quantity_inv;
200                         set_grn_item_credited($entered_grn, $supp_trans->supplier_id, $invoice_id, $date_);
201         }
202                 $line_taxfree = $entered_grn->taxfree_charge_price($supp_trans->tax_group_id);
203                 $line_tax = $entered_grn->full_charge_price($supp_trans->tax_group_id) - $line_taxfree;
204                 $stock_gl_code = get_stock_gl_code($entered_grn->item_code);
205                 
206         if ($trans_type == ST_SUPPCREDIT)
207                 {
208                         $iv_act = (is_inventory_item($entered_grn->item_code) ? $stock_gl_code["inventory_account"] : 
209                                 ($supplier_accounts["purchase_account"] ? $supplier_accounts["purchase_account"] : $stock_gl_code["cogs_account"]));
210                         $total += add_gl_trans_supplier($trans_type, $invoice_id, $date_, $iv_act,
211                                 $stock_gl_code['dimension_id'], $stock_gl_code['dimension2_id'],
212                                 $entered_grn->this_quantity_inv * $line_taxfree, $supp_trans->supplier_id);
213                 }
214         else
215         {
216                 // -------------- if price changed since po received. 16 Aug 2008 Joe Hunt
217                         $iv_act = is_inventory_item($entered_grn->item_code) ? ($clearing_act ? $clearing_act : $stock_gl_code["inventory_account"]) : 
218                                 ($supplier_accounts["purchase_account"] ? $supplier_accounts["purchase_account"] : $stock_gl_code["cogs_account"]);
219                 $old = update_supp_received_items_for_invoice($entered_grn->id, $entered_grn->po_detail_item,
220                         $entered_grn->this_quantity_inv, $entered_grn->chg_price);
221                         // Since the standard cost is always calculated on basis of the po unit_price,
222                         // this is also the price that should be the base of calculating the price diff.
223                         // In cases where there is two different po invoices on the same delivery with different unit prices this will not work either
224
225                         //$old_price = $old[0];
226                          
227                         $old_price = $old[2];
228
229                         /*
230                         If statement is removed. Should always check for deliveries nomatter if there has been a price change. 
231                         */
232                         //if ($old_price != $entered_grn->chg_price) // price-change, so update
233                         //{
234                         //$diff = $entered_grn->chg_price - $old_price;
235                         $old_date = sql2date($old[1]);
236                         if (!is_inventory_item($entered_grn->item_code))
237                                 $total += add_gl_trans_supplier($trans_type, $invoice_id, $date_, $iv_act,
238                                         $stock_gl_code['dimension_id'], $stock_gl_code['dimension2_id'],
239                                         $entered_grn->this_quantity_inv * $line_taxfree, $supp_trans->supplier_id);
240                         else
241                         {
242                                 $currency = get_supplier_currency($supp_trans->supplier_id);
243                                 $ex_rate = get_exchange_rate_from_home_currency($currency, $old_date);
244                                 $total += add_gl_trans_supplier($trans_type, $invoice_id, $date_, $iv_act,
245                                         $stock_gl_code['dimension_id'], $stock_gl_code['dimension2_id'],
246                                         $entered_grn->this_quantity_inv * $old_price, $supp_trans->supplier_id, "", $ex_rate);
247                                 $diff = get_diff_in_home_currency($supp_trans->supplier_id, $old_date, $date_, $old_price, 
248                                         $entered_grn->chg_price);       
249                         
250                                 // always return due to change in currency.
251                                 /*$mat_cost = update_average_material_cost(null, $entered_grn->item_code,
252                                         $diff, $entered_grn->this_quantity_inv, $old_date, true); */
253                                 $mat_cost = update_average_material_cost(null, $entered_grn->item_code,
254                                         $diff, $entered_grn->this_quantity_inv, null, true);
255                                 
256                                 //Add GL transaction for GRN Provision in case of difference
257                                 if (($diff * $entered_grn->this_quantity_inv) != 0 )
258                                 {
259                                         $diff_amt = $diff * $entered_grn->this_quantity_inv;
260                                         $total += add_gl_trans($trans_type, $invoice_id, $date_,        $stock_gl_code["inventory_account"],
261                                                 $stock_gl_code['dimension_id'], $stock_gl_code['dimension2_id'], 'GRN Provision',
262                                                 $diff_amt, null, null, null,
263                                                 "The general ledger transaction could not be added for the GRN of the inventory item");
264
265                                         //Chaitanya
266                                         //If QOH is 0 or negative then update_average_material_cost will be skipped
267                                         //Thus difference in PO and Supp Invoice should be handled separately
268                                         
269                                         $qoh = get_qoh_on_date($entered_grn->item_code);
270                                         if ($qoh <= 0)
271                                         {
272                                                 global $Refs;
273
274                                                 //Chaitanya : Post a journal entry
275                                                 $id = get_next_trans_no(ST_JOURNAL);
276                                                 $ref = $Refs->get_next(ST_JOURNAL);
277                                                 $stock_id = $entered_grn->item_code;
278                                                 $stock_gl_code = get_stock_gl_code($stock_id);
279                                                 $memo = _("Supplier invoice adjustment for zero inventory of ").$stock_id." "._("Invoice")." ".$supp_trans->reference;
280                                                 //Reverse the inventory effect if $qoh <=0
281                                                 add_gl_trans_std_cost(ST_JOURNAL, $id, $date_, 
282                                                         $stock_gl_code["inventory_account"],
283                                                         $stock_gl_code['dimension_id'], $stock_gl_code['dimension2_id'],
284                                                         $memo, -$entered_grn->this_quantity_inv * $diff);
285                                                 //GL Posting to inventory adjustment account
286                                                 add_gl_trans_std_cost(ST_JOURNAL, $id, $date_, 
287                                                         $stock_gl_code["adjustment_account"],
288                                                         $stock_gl_code['dimension_id'], $stock_gl_code['dimension2_id'],
289                                                         $memo, $entered_grn->this_quantity_inv * $diff);
290                                                 
291                                                 add_audit_trail(ST_JOURNAL, $id, $date_);
292                                                 add_comments(ST_JOURNAL, $id, $date_, $memo);
293                                                 $Refs->save(ST_JOURNAL, $id, $ref);                                             
294                                         }                                       
295                                         
296                                         /*$qoh = get_qoh_on_date($entered_grn->item_code);
297                                         if ($qoh <= 0)
298                                         {
299                                                 $memo = "Diff. in cost: ".$diff;
300                                                 //Reverse the inventory effect if $qoh <=0
301                                                 add_gl_trans_supplier($trans_type, $invoice_id, $date_, 
302                                                 $stock_gl_code["inventory_account"],
303                                                 $stock_gl_code['dimension_id'], $stock_gl_code['dimension2_id'],
304                                                 -$entered_grn->this_quantity_inv * $diff, $supp_trans->supplier_id, "", null, $memo);
305                                                 //GL Posting to inventory adjustment account
306                                                 add_gl_trans_supplier($trans_type, $invoice_id, $date_, 
307                                                 $stock_gl_code["adjustment_account"],
308                                                 $stock_gl_code['dimension_id'], $stock_gl_code['dimension2_id'],
309                                                 $entered_grn->this_quantity_inv * $diff, $supp_trans->supplier_id, "", null, $memo);                                            
310                                         }*/                             
311                                         
312                                         //add_gl_trans($trans_type, $invoice_id, $date_,        $stock_gl_code["cogs_account"],
313                                         //      0, 0, 'GRN Provision', -$diff_amt, null, null, null,
314                                         //      "The general ledger transaction could not be added for the GRN of the inventory item");                         
315                                 }
316                         }       
317                         // added 2008-12-08 Joe Hunt. Update the purchase data table
318                         add_or_update_purchase_data($supp_trans->supplier_id, $entered_grn->item_code, $entered_grn->chg_price); 
319                         /*$deliveries = get_deliveries_between($entered_grn->item_code, $old_date, Today()); // extend the period, if invoice is before any deliveries.
320                         if ($deliveries[0] != 0) // have deliveries been done during the period?
321                         {
322                                 $deliveries[1] /= $deliveries[0];
323                                 $amt = ($mat_cost - $deliveries[1]) * $deliveries[0]; // $amt in home currency
324                                 if ($amt != 0.0)
325                                 {
326                                         $_s = $entered_grn->item_code;
327                                         $_d = $deliveries[0];
328                                         $_od = $old_date;
329                                         $_cd = $mat_cost - $deliveries[1];
330                                         $memo = _("Cost difference adjustment for $_s. $_d items delivered since $_od. The cost difference is $_cd");
331                                         add_gl_trans($trans_type, $invoice_id, $date_,  $stock_gl_code["cogs_account"],
332                                                 $stock_gl_code['dimension_id'], $stock_gl_code['dimension2_id'], $memo,
333                                                 $amt, null, null, null,
334                                                 "The general ledger transaction could not be added for the price variance of the inventory item");
335                                         add_gl_trans($trans_type, $invoice_id, $date_,  $iv_act,
336                                                 0, 0, $memo, -$amt, null, null, null,
337                                                 "The general ledger transaction could not be added for the price variance of the inventory item");
338                                 }               
339                                 update_stock_move_pid(ST_CUSTDELIVERY, $entered_grn->item_code, $old_date, $date_, 0, $mat_cost);
340                         } 
341                         if (is_inventory_item($entered_grn->item_code))
342                                 update_stock_move_pid(ST_SUPPRECEIVE, $entered_grn->item_code, $old_date, $old_date, $supp_trans->supplier_id, $mat_cost);
343                         */      
344                 //}
345                 }
346         // ----------------------------------------------------------------------
347
348                 add_supp_invoice_item($trans_type, $invoice_id, $entered_grn->item_code,
349                         $entered_grn->item_description, 0,      $entered_grn->chg_price, $line_tax,
350                         $entered_grn->this_quantity_inv, $entered_grn->id, $entered_grn->po_detail_item, "");
351     } /* end of GRN postings */
352     /* Now the TAX account */
353     $taxes = $supp_trans->get_taxes($supp_trans->tax_group_id, 0, false); // 2009.08-18 Joe Hunt. We have already got the gl lines
354     foreach ($taxes as $taxitem)
355     {
356         if ($taxitem['Net'] != 0)
357         {
358
359                 if ($trans_type == ST_SUPPCREDIT)
360                 {
361                         $taxitem['Net'] = -$taxitem['Net'];
362                         $taxitem['Value'] = -$taxitem['Value'];
363                 }       
364                         add_trans_tax_details($trans_type, $invoice_id, 
365                                 $taxitem['tax_type_id'], $taxitem['rate'], $supp_trans->tax_included, $taxitem['Value'],
366                                 $taxitem['Net'], $ex_rate, $date_, $supp_trans->supp_reference);
367
368                 if ($trans_type == ST_SUPPCREDIT)
369                         $taxitem['Value'] = -$taxitem['Value'];
370                 $total += add_gl_trans_supplier($trans_type, $invoice_id, $date_,
371                         $taxitem['purchasing_gl_code'], 0, 0, $taxitem['Value'],
372                         $supp_trans->supplier_id,
373                         "A general ledger transaction for the tax amount could not be added");
374         }
375     }
376         
377         /*Post a balance post if $total != 0 */
378         add_gl_balance($trans_type, $invoice_id, $date_, -$total, PT_SUPPLIER, $supp_trans->supplier_id);       
379
380         add_comments($trans_type, $invoice_id, $date_, $supp_trans->Comments);
381
382         $Refs->save($trans_type, $invoice_id, $supp_trans->reference);
383
384         if ($invoice_no != 0)
385         {
386                 $invoice_alloc_balance = get_supp_trans_allocation_balance(ST_SUPPINVOICE, $invoice_no);
387                 if ($invoice_alloc_balance > 0) 
388                 {       //the invoice is not already fully allocated 
389
390                         $trans = get_supp_trans($invoice_no, ST_SUPPINVOICE);
391                         $total = $trans['Total'];
392
393                         $allocate_amount = ($invoice_alloc_balance > $total) ? $total : $invoice_alloc_balance;
394                         /*Now insert the allocation record if > 0 */
395                         if ($allocate_amount != 0) 
396                         {
397                                 update_supp_trans_allocation(ST_SUPPINVOICE, $invoice_no, $allocate_amount);
398                                 update_supp_trans_allocation(ST_SUPPCREDIT, $invoice_id, $allocate_amount); // ***
399                                 add_supp_allocation($allocate_amount, ST_SUPPCREDIT, $invoice_id, ST_SUPPINVOICE, $invoice_no,
400                                         $date_);
401                                 // Exchange Variations Joe Hunt 2008-09-20 ////////////////////////////////////////
402
403                                 exchange_variation(ST_SUPPCREDIT, $invoice_id, ST_SUPPINVOICE, $invoice_no, $date_,
404                                         $allocate_amount, PT_SUPPLIER);
405
406                                 ///////////////////////////////////////////////////////////////////////////
407                         }
408                 }
409         }
410
411         $supp_trans->trans_no = $invoice_id;
412         hook_db_postwrite($supp_trans, $supp_trans->trans_type);
413     commit_transaction();
414
415     return $invoice_id;
416 }
417
418 //----------------------------------------------------------------------------------------
419
420 // get all the invoices/credits for a given PO - quite long route to get there !
421
422 function get_po_invoices_credits($po_number)
423 {
424         $sql = "SELECT DISTINCT ".TB_PREF."supp_trans.trans_no, ".TB_PREF."supp_trans.type,
425                 ov_amount+ov_discount+ov_gst AS Total,
426                 ".TB_PREF."supp_trans.tran_date
427                 FROM ".TB_PREF."supp_trans, ".TB_PREF."supp_invoice_items, "
428                 .TB_PREF."purch_order_details, ".TB_PREF."purch_orders
429                 WHERE ".TB_PREF."supp_invoice_items.supp_trans_no = ".TB_PREF."supp_trans.trans_no
430                 AND ".TB_PREF."supp_invoice_items.supp_trans_type = ".TB_PREF."supp_trans.type
431                 AND ".TB_PREF."supp_invoice_items.po_detail_item_id = ".TB_PREF."purch_order_details.po_detail_item
432                 AND ".TB_PREF."purch_orders.supplier_id = ".TB_PREF."supp_trans.supplier_id
433                 AND ".TB_PREF."purch_orders.order_no = ".TB_PREF."purch_order_details.order_no
434                 AND ".TB_PREF."purch_order_details.order_no = ".db_escape($po_number);
435
436         return db_query($sql, "The invoices/credits for the po $po_number could not be retreived");
437 }
438
439 //----------------------------------------------------------------------------------------
440
441 function read_supp_invoice($trans_no, $trans_type, &$supp_trans)
442 {
443         $sql = "SELECT ".TB_PREF."supp_trans.*, supp_name FROM ".TB_PREF."supp_trans,".TB_PREF."suppliers
444                 WHERE trans_no = ".db_escape($trans_no)." AND type = ".db_escape($trans_type)."
445                 AND ".TB_PREF."suppliers.supplier_id=".TB_PREF."supp_trans.supplier_id";
446         $result = db_query($sql, "Cannot retreive a supplier transaction");
447
448         if (db_num_rows($result) == 1)
449         {
450                 $trans_row = db_fetch($result);
451
452                 $supp_trans->supplier_id = $trans_row["supplier_id"];
453                 $supp_trans->supplier_name = $trans_row["supp_name"];
454                 $supp_trans->tran_date = sql2date($trans_row["tran_date"]);
455                 $supp_trans->due_date = sql2date($trans_row["due_date"]);
456                 //$supp_trans->Comments = $trans_row["TransText"];
457                 $supp_trans->Comments = get_comments_string($trans_type, $trans_no);
458                 $supp_trans->reference = $trans_row["reference"];
459                 $supp_trans->supp_reference = $trans_row["supp_reference"];
460                 $supp_trans->ov_amount = $trans_row["ov_amount"];
461                 $supp_trans->ov_discount = $trans_row["ov_discount"];
462                 $supp_trans->ov_gst = $trans_row["ov_gst"];
463                 $supp_trans->tax_included = $trans_row["tax_included"];
464
465                 $id = $trans_row["trans_no"];
466
467                 $result = get_supp_invoice_items($trans_type, $id);
468
469                 if (db_num_rows($result) > 0)
470                 {
471
472             while ($details_row = db_fetch($result))
473             {
474
475                 if ($details_row["gl_code"] == 0)
476                 {
477                         $supp_trans->add_grn_to_trans($details_row["grn_item_id"], $details_row["po_detail_item_id"], $details_row["stock_id"],
478                                         $details_row["description"], 0, 0, $details_row["quantity"], 0, $details_row["FullUnitPrice"],
479                                         0, 0);
480                 }
481                 else
482                 {
483                         $supp_trans->add_gl_codes_to_trans($details_row["gl_code"], get_gl_account_name($details_row["gl_code"]), 0, 0,
484                                         $details_row["FullUnitPrice"], $details_row["memo_"]);
485                 }
486             }
487         }
488         else
489         {
490                         return display_db_error("Invalid supptrans details for supptrans number : $trans_no and type : $trans_type", $sql, true);
491                 }
492
493         }
494         else
495         {
496                 return display_db_error("Invalid supptrans number : $trans_no and type : $trans_type", $sql, true);
497         }
498 }
499
500 //----------------------------------------------------------------------------------------
501
502 function get_matching_invoice_item($stock_id, $po_item_id)
503 {
504         $sql = "SELECT *, tran_date FROM ".TB_PREF."supp_invoice_items, ".TB_PREF."supp_trans
505                 WHERE supp_trans_type = ".ST_SUPPINVOICE." AND stock_id = "
506                 .db_escape($stock_id)." AND po_detail_item_id = ".db_escape($po_item_id)."
507                 AND supp_trans_no = trans_no";
508         $result = db_query($sql, "Cannot retreive supplier transaction detail records");
509         return db_fetch($result);  
510 }
511
512 function void_supp_invoice($type, $type_no)
513 {
514         begin_transaction();
515
516         hook_db_prevoid($type, $type_no);
517         $trans = get_supp_trans($type_no, $type);
518
519         void_bank_trans($type, $type_no, true);
520
521         void_gl_trans($type, $type_no, true);
522
523         void_supp_allocations($type, $type_no);
524
525         void_supp_trans($type, $type_no);
526
527         $result = get_supp_invoice_items($type, $type_no);
528
529         // now remove this invoice/credit from any GRNs/POs that it's related to
530         if (db_num_rows($result) > 0)
531         {
532                 $date_ = Today();
533         while ($details_row = db_fetch($result))
534         {
535                 if ((int)$details_row["grn_item_id"] > 0) // it can be empty for GL items
536                 {
537                         // Changed 2008-10-17 by Joe Hunt to get the avg. material cost updated
538                                 $old = update_supp_received_items_for_invoice($details_row["grn_item_id"],
539                                         $details_row["po_detail_item_id"], -$details_row["quantity"], $details_row["FullUnitPrice"]); 
540                                 
541                                 //$diff = $details_row["FullUnitPrice"] - $old[2];
542                                 $old_date = sql2date($old[1]);
543                                 
544                                 $batch = get_grn_batch_from_item($details_row["grn_item_id"]);  
545                                 $grn = get_grn_batch($batch);
546                         if ($type == ST_SUPPCREDIT) // credit note 2009-06-14 Joe Hunt Must restore the po and grn
547                         {       
548                                         $match = get_matching_invoice_item($details_row["stock_id"], $details_row["po_detail_item_id"]);
549                                         
550                                         //Chaitanya : Skipped costing block & handle in void_stock_move
551                                         // We must get the corresponding invoice item to check for price chg.
552                                         /*if ($match !== false)
553                                                 $mat_cost = update_average_material_cost($grn["supplier_id"], $details_row["stock_id"],  
554                                                         $match["unit_price"], -$details_row["quantity"], sql2date($match['tran_date']), $match['tran_date'] !== $trans['tran_date']);
555                                         else            
556                                                 $mat_cost = update_average_material_cost($grn["supplier_id"], $details_row["stock_id"],  
557                                                         $details_row["FullUnitPrice"], -$details_row["quantity"], $old_date, $old[1] !== $trans['tran_date']);*/
558                                                         
559                                         $sql = "UPDATE ".TB_PREF."purch_order_details
560                                         SET quantity_ordered = quantity_ordered + ".-$details_row["quantity"].", ";
561                                 if ($match !== false)
562                                         $sql .= "act_price=".$match['unit_price'].", ";
563                                 $sql .= "quantity_received = quantity_received + ".-$details_row["quantity"]."
564                                     WHERE po_detail_item = ".$details_row["po_detail_item_id"];
565                                         db_query($sql, "a purchase order details record could not be updated. This receipt of goods has not been processed ");
566                                         $sql = "UPDATE ".TB_PREF."grn_items SET qty_recd=qty_recd+".-$details_row["quantity"]."
567                                                 WHERE id=".$details_row["grn_item_id"];
568                                         db_query($sql);
569                         }
570                         else
571                         {
572                                         $diff = get_diff_in_home_currency($grn["supplier_id"], $old_date, sql2date($trans['tran_date']), $old[2], 
573                                                 $details_row["FullUnitPrice"]);
574                                         // Only adjust the avg for the diff
575                                         $mat_cost = update_average_material_cost(null, $details_row["stock_id"],
576                                                 $diff, -$details_row["quantity"], $old_date, true);
577                                                 
578                                         //Chaitanya : Reverse effect
579                                         //If QOH is 0 or negative then update_average_material_cost will be skipped
580                                         //Thus difference in PO and Supp Invoice should be handled separately
581                                         
582                                         $qoh = get_qoh_on_date($details_row["stock_id"]);
583                                         if ($diff*$details_row["quantity"] !=0 && $qoh <= 0)
584                                         {
585                                                 global $Refs;
586
587                                                 //Chaitanya : Post a journal entry
588                                                 $id = get_next_trans_no(ST_JOURNAL);
589                                                 $ref = $Refs->get_next(ST_JOURNAL);
590                                                 $stock_id = $details_row["stock_id"];
591                                                 $stock_gl_code = get_stock_gl_code($stock_id);
592                                                 $memo = "Reversing Supplier invoice adjustment for zero inventory of ".$stock_id." Invoice: ".$trans['reference'];
593                                                 //Reverse the inventory effect if $qoh <=0
594                                                 add_gl_trans_std_cost(ST_JOURNAL, $id, $old_date, 
595                                                         $stock_gl_code["inventory_account"],
596                                                         $stock_gl_code['dimension_id'], $stock_gl_code['dimension2_id'],
597                                                         $memo, $details_row["quantity"] * $diff);
598                                                 //GL Posting to inventory adjustment account
599                                                 add_gl_trans_std_cost(ST_JOURNAL, $id, $old_date, 
600                                                         $stock_gl_code["adjustment_account"],
601                                                         $stock_gl_code['dimension_id'], $stock_gl_code['dimension2_id'],
602                                                         $memo, -$details_row["quantity"] * $diff);
603                                                 
604                                                 add_audit_trail(ST_JOURNAL, $id, $old_date);
605                                                 add_comments(ST_JOURNAL, $id, $old_date, $memo);
606                                                 $Refs->save(ST_JOURNAL, $id, $ref);                                             
607                                         }       
608                                 }
609                                 /*$deliveries = get_deliveries_between($details_row["stock_id"], $old_date, $date_);
610                                 if ($deliveries[0] != 0) // have deliveries been done during the period?
611                                 {
612                                         update_stock_move_pid(ST_CUSTDELIVERY, $details_row["stock_id"], $old_date, $date_, 0, $mat_cost);
613                                 }
614                                 update_stock_move_pid(ST_SUPPRECEIVE, $details_row["stock_id"], $old_date, $old_date, $grn['supplier_id'], $mat_cost);
615                                 */
616                 }
617         }
618         }
619
620         if ($type == ST_SUPPCREDIT) // void the credits in stock moves
621                 void_stock_move($type, $type_no); 
622         void_supp_invoice_items($type, $type_no);
623         void_trans_tax_details($type, $type_no);
624
625         commit_transaction();
626 }
627
628 //----------------------------------------------------------------------------------------
629 function get_gl_account_info($acc)
630 {
631         $sql = "SELECT account_code, account_name FROM ".TB_PREF."chart_master WHERE account_code=".db_escape($acc);
632         return db_query($sql,"get account information");
633 }
634
635 function is_reference_already_there($supplier_id, $supp_reference)
636 {
637         $sql = "SELECT Count(*) FROM ".TB_PREF."supp_trans WHERE supplier_id="
638                 .db_escape($supplier_id) . " AND supp_reference=" 
639                 .db_escape($supp_reference) 
640                 . " AND ov_amount!=0"; // ignore voided invoice references
641
642         $result=db_query($sql,"The sql to check for the previous entry of the same invoice failed");
643
644         $myrow = db_fetch_row($result);
645         return ($myrow[0] == 1);
646 }
647
648 function remove_not_invoice_item($id)
649 {
650         begin_transaction();
651
652         $myrow = get_grn_item_detail($id);
653
654         $grn = get_grn_batch($myrow['grn_batch_id']);
655
656         $sql = "UPDATE ".TB_PREF."purch_order_details
657                 SET quantity_received = qty_invoiced, quantity_ordered = qty_invoiced WHERE po_detail_item = ".$myrow["po_detail_item"];
658         db_query($sql, "The quantity invoiced of the purchase order line could not be updated");
659
660         $sql = "UPDATE ".TB_PREF."grn_items
661                 SET qty_recd = quantity_inv WHERE id = ".$myrow["id"];
662         db_query($sql, "The quantity invoiced off the items received record could not be updated");
663
664         update_average_material_cost($grn["supplier_id"], $myrow["item_code"],
665                 $myrow["unit_price"], -$myrow["QtyOstdg"], Today());
666
667         add_stock_move(ST_SUPPRECEIVE, $myrow["item_code"], $myrow['grn_batch_id'], $grn['loc_code'], sql2date($grn["delivery_date"]), "",
668                 -$myrow["QtyOstdg"], $myrow['std_cost_unit'], $grn["supplier_id"], 1, $myrow['unit_price']);
669                 
670     $clearing_act = get_company_pref('grn_clearing_act');
671         if ($clearing_act) {    // otherwise GRN clearing account is not used
672                 if (is_inventory_item($myrow['item_code']))
673                 {
674                 $total = 0;
675                         $stock_gl_code = get_stock_gl_code($myrow['item_code']);
676                         $date = sql2date($grn["delivery_date"]);
677                         $total += add_gl_trans_supplier(ST_SUPPRECEIVE, $myrow['grn_batch_id'], $date, $stock_gl_code["inventory_account"],
678                                 $stock_gl_code['dimension_id'], $stock_gl_code['dimension2_id'],
679                                 -$myrow['QtyOstdg'] * $myrow['unit_price'], $grn["supplier_id"], "", 0, _("GRN Removal"));
680                         $total += add_gl_trans_supplier(ST_SUPPRECEIVE, $myrow['grn_batch_id'], $date, $clearing_act,
681                                 0, 0, -$total, null, "", 0, _("GRN Removal"));
682                 }       
683         }
684
685         commit_transaction();
686 }
687 ?>