Merged changes from stable branch up to 2.3.12
[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         $sql = "SELECT supp.supp_name, terms.terms, terms.days_before_due,
19                 terms.day_in_following_month, supp.tax_included, supp.tax_algorithm,
20                 supp.tax_group_id, tax_group.name AS tax_group_name,
21                 supp.credit_limit - Sum(IFNULL(IF(trans.type=".ST_SUPPCREDIT.", -1, 1) 
22                         * (ov_amount + ov_gst + ov_discount),0)) as cur_credit
23                 FROM ".TB_PREF."suppliers supp LEFT JOIN "
24                         .TB_PREF."supp_trans trans ON supp.supplier_id = trans.supplier_id, "
25                         .TB_PREF."payment_terms terms, "
26                         .TB_PREF."tax_groups tax_group
27                 WHERE supp.tax_group_id = tax_group.id
28                 AND supp.payment_terms=terms.terms_indicator
29                 AND supp.supplier_id = ".db_escape($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->tax_algorithm = $supp_trans->stored_algorithm = $myrow['tax_algorithm'];
48     $supp_trans->supplier_name = $myrow['supp_name'];
49         $supp_trans->terms = array( 
50                 'description' => $myrow['terms'],
51                 'days_before_due' => $myrow['days_before_due'], 
52                 'day_in_following_month' => $myrow['day_in_following_month'] );
53
54         $supp_trans->credit = $myrow['cur_credit'];
55
56         $supp_trans->tax_description = $myrow['tax_group_name'];
57         $supp_trans->tax_group_id = $myrow['tax_group_id'];
58
59 }
60
61 //-------------------------------------------------------------------------------------------------
62 //      Updates invoiced quantity in PO and GRN line, and act_price in PO
63 //  Returns:
64 // if chg_price is set:  previous act_price, delivery date and unit_price from PO
65 //
66 function update_supp_received_items_for_invoice($id, $po_detail_item, $qty_invoiced, $chg_price=null)
67 {
68         if ($chg_price != null)
69         {
70                 $sql = "SELECT act_price, unit_price FROM ".TB_PREF."purch_order_details WHERE
71                         po_detail_item = ".db_escape($po_detail_item);
72                 $result = db_query($sql, "The old actual price of the purchase order line could not be retrieved");
73                 $row = db_fetch_row($result);
74                 $ret = $row[0];
75
76                 $unit_price = $row[1]; //Added by Rasmus
77
78                 $sql = "SELECT delivery_date FROM ".TB_PREF."grn_batch,".TB_PREF."grn_items WHERE
79                         ".TB_PREF."grn_batch.id = ".TB_PREF."grn_items.grn_batch_id AND "
80                         .TB_PREF."grn_items.id=".db_escape($id);
81                 $result = db_query($sql, "The old delivery date from the received record cout not be retrieved");
82                 $row = db_fetch_row($result);
83                 $date = $row[0];
84         }
85         else
86         {
87                 $ret = 0;
88                 $date = "";
89                 $unit_price = 0; // Added by Rasmus
90         }
91     $sql = "UPDATE ".TB_PREF."purch_order_details
92                 SET qty_invoiced = qty_invoiced + ".db_escape($qty_invoiced);
93
94         if ($chg_price != null)
95                 $sql .= " , act_price = ".db_escape($chg_price);
96
97         $sql .= " WHERE po_detail_item = ".db_escape($po_detail_item);
98     db_query($sql, "The quantity invoiced of the purchase order line could not be updated");
99
100     $sql = "UPDATE ".TB_PREF."grn_items
101         SET quantity_inv = quantity_inv + ".db_escape($qty_invoiced)."
102         WHERE id = ".db_escape($id);
103         db_query($sql, "The quantity invoiced off the items received record could not be updated");
104         return array($ret, $date, $unit_price);
105 }
106
107 function get_diff_in_home_currency($supplier, $old_date, $date, $amount1, $amount2)
108 {
109         $dec = user_price_dec();
110         price_decimal_format($amount2, $dec);
111         $currency = get_supplier_currency($supplier);
112         $ex_rate = get_exchange_rate_to_home_currency($currency, $old_date);
113         $amount1 = $amount1 / $ex_rate;
114         $ex_rate = get_exchange_rate_to_home_currency($currency, $date);
115         $amount2 = $amount2 / $ex_rate;
116         $diff = $amount2 - $amount1;
117         //return round2($diff, $dec);
118         return $diff;
119 }
120 //----------------------------------------------------------------------------------------
121
122 function add_supp_invoice(&$supp_trans) // do not receive as ref because we change locally
123 {
124         global $Refs;
125
126         //$company_currency = get_company_currency();
127         $trans_no = $supp_trans->trans_no;
128         $trans_type = $supp_trans->trans_type;
129         /*Start an sql transaction */
130         begin_transaction();
131         hook_db_prewrite($supp_trans, $trans_type);
132         $tax_total = 0;
133     $taxes = $supp_trans->get_taxes($supp_trans->tax_group_id);
134         if ($trans_no) {
135                 $allocs = get_payments_for($trans_no, $trans_type); // save allocations
136                 void_transaction($trans_type, $trans_no, Today(), _("Document reentered."));
137                 $Refs->restore_last($trans_type, $trans_no);
138         } else
139                 $allocs = get_po_prepayments($supp_trans);
140
141     foreach ($taxes as $n => $taxitem)
142     {
143                 $taxes[$n]['Value'] =  round2($taxitem['Value'], user_price_dec());
144         $tax_total += $taxes[$n]['Value'];
145     }
146
147         $invoice_items_total = $supp_trans->get_items_total(); // get total with/without tax dep. on tax_included
148 //      $invoice_items_total = $supp_trans->get_total_taxfree($supp_trans->tax_group_id);
149
150         if($supp_trans->tax_included==0) {
151                 $item_added_tax = $tax_total;
152         } else {
153                 $item_added_tax = 0;
154         }
155
156         if ($trans_type == ST_SUPPCREDIT)
157         {
158                 // let's negate everything because it's a credit note
159                 $invoice_items_total = -$invoice_items_total;
160                 $tax_total = -$tax_total;
161                 $supp_trans->ov_discount = -$supp_trans->ov_discount; // this isn't used at all...
162                 $item_added_tax = -$item_added_tax;
163         }
164
165     $date_ = $supp_trans->tran_date;
166         $ex_rate = get_exchange_rate_from_home_currency(get_supplier_currency($supp_trans->supplier_id), $date_);
167
168     /*First insert the invoice into the supp_trans table*/
169         $invoice_id = write_supp_trans($trans_type, 0, $supp_trans->supplier_id, $date_, $supp_trans->due_date,
170                 $supp_trans->reference, $supp_trans->supp_reference,
171                 $invoice_items_total, $item_added_tax, $supp_trans->ov_discount, "", 0, $supp_trans->tax_included,
172                 $supp_trans->tax_algorithm);
173
174
175         $supp_trans->trans_no = $invoice_id;
176
177         $total = 0;
178     /* Now the control account */
179     $supplier_accounts = get_supplier_accounts($supp_trans->supplier_id);
180     $total += add_gl_trans_supplier($trans_type, $invoice_id, $date_, $supplier_accounts["payable_account"], 0, 0,
181                 -($invoice_items_total +  $item_added_tax + $supp_trans->ov_discount),
182                 $supp_trans->supplier_id,
183                 "The general ledger transaction for the control total could not be added");
184
185     foreach ($supp_trans->gl_codes as $entered_gl_code)
186     {
187
188             /*GL Items are straight forward - just do the debit postings to the GL accounts specified -
189             the credit is to creditors control act  done later for the total invoice value + tax*/
190
191                 if ($trans_type == ST_SUPPCREDIT)
192                         $entered_gl_code->amount = -$entered_gl_code->amount;
193
194                 $memo_ = $entered_gl_code->memo_;
195                 $total += add_gl_trans_supplier($trans_type, $invoice_id, $date_, $entered_gl_code->gl_code,
196                         $entered_gl_code->gl_dim, $entered_gl_code->gl_dim2, $entered_gl_code->amount, $supp_trans->supplier_id, "", 0, $memo_);
197
198                 add_supp_invoice_gl_item($trans_type, $invoice_id, $entered_gl_code->gl_code,
199                         $entered_gl_code->amount, $memo_);
200
201                 // store tax details if the gl account is a tax account
202                 if ($trans_type == ST_SUPPCREDIT)
203                         $entered_gl_code->amount = -$entered_gl_code->amount;
204                 add_gl_tax_details($entered_gl_code->gl_code, 
205                         $trans_type, $invoice_id, $entered_gl_code->amount,
206                         $ex_rate, $date_, $supp_trans->supp_reference, $supp_trans->tax_included);
207     }
208
209     $clearing_act = get_company_pref('grn_clearing_act');
210     foreach ($supp_trans->grn_items as $line_no => $entered_grn)
211     {
212
213         if ($trans_type == ST_SUPPCREDIT)
214         {
215                         $entered_grn->this_quantity_inv = -$entered_grn->this_quantity_inv;
216                         set_grn_item_credited($entered_grn, $supp_trans->supplier_id, $invoice_id, $date_);
217         }
218                 $line_taxfree = $entered_grn->taxfree_charge_price($supp_trans->tax_group_id);
219                 $line_tax = $entered_grn->full_charge_price($supp_trans->tax_group_id) - $line_taxfree;
220                 $stock_gl_code = get_stock_gl_code($entered_grn->item_code);
221
222         if ($trans_type == ST_SUPPCREDIT)
223                 {
224                         $iv_act = (is_inventory_item($entered_grn->item_code) ? $stock_gl_code["inventory_account"] : 
225                                 ($supplier_accounts["purchase_account"] ? $supplier_accounts["purchase_account"] : $stock_gl_code["cogs_account"]));
226                         $total += add_gl_trans_supplier($trans_type, $invoice_id, $date_, $iv_act,
227                                 $stock_gl_code['dimension_id'], $stock_gl_code['dimension2_id'],
228                                 $entered_grn->this_quantity_inv * $line_taxfree, $supp_trans->supplier_id);
229                 }
230         else
231         {
232                 // -------------- if price changed since po received. 16 Aug 2008 Joe Hunt
233                         $iv_act = is_inventory_item($entered_grn->item_code) ? ($clearing_act ? $clearing_act : $stock_gl_code["inventory_account"]) : 
234                                 ($supplier_accounts["purchase_account"] ? $supplier_accounts["purchase_account"] : $stock_gl_code["cogs_account"]);
235                 $old = update_supp_received_items_for_invoice($entered_grn->id, $entered_grn->po_detail_item,
236                         $entered_grn->this_quantity_inv, $entered_grn->chg_price);
237                         // Since the standard cost is always calculated on basis of the po unit_price,
238                         // this is also the price that should be the base of calculating the price diff.
239                         // In cases where there is two different po invoices on the same delivery with different unit prices this will not work either
240
241                         //$old_price = $old[0];
242                          
243                         $old_price = $old[2];
244                         // adjust for tax included.
245                         $old_price = get_tax_free_price_for_item($entered_grn->item_code, $old_price,
246                                 $supp_trans->tax_group_id, $entered_grn->tax_included);                 
247
248                         /*
249                         If statement is removed. Should always check for deliveries nomatter if there has been a price change. 
250                         */
251                         //if ($old_price != $line_taxfree) // price-change, so update
252                         //{
253                         //$diff = $line_taxfree - $old_price;
254                         $old_date = sql2date($old[1]);
255                         if (!is_inventory_item($entered_grn->item_code))
256                                 $total += add_gl_trans_supplier($trans_type, $invoice_id, $date_, $iv_act,
257                                         $stock_gl_code['dimension_id'], $stock_gl_code['dimension2_id'],
258                                         $entered_grn->this_quantity_inv * $line_taxfree, $supp_trans->supplier_id);
259                         else
260                         {
261                                 $currency = get_supplier_currency($supp_trans->supplier_id);
262                                 $ex_rate = get_exchange_rate_from_home_currency($currency, $old_date);
263                                 $total += add_gl_trans_supplier($trans_type, $invoice_id, $date_, $iv_act,
264                                         $stock_gl_code['dimension_id'], $stock_gl_code['dimension2_id'],
265                                         $entered_grn->this_quantity_inv * $old_price, $supp_trans->supplier_id, "", $ex_rate);
266                                 $diff = get_diff_in_home_currency($supp_trans->supplier_id, $old_date, $date_, $old_price, 
267                                         $line_taxfree); 
268
269                                 // always return due to change in currency.
270                                 /*$mat_cost = update_average_material_cost(null, $entered_grn->item_code,
271                                         $diff, $entered_grn->this_quantity_inv, $old_date, true); */
272                                 $mat_cost = update_average_material_cost(null, $entered_grn->item_code,
273                                         $diff, $entered_grn->this_quantity_inv, null, true);
274                                 
275                                 //Add GL transaction for GRN Provision in case of difference
276                                 if (($diff * $entered_grn->this_quantity_inv) != 0 )
277                                 {
278                                         $diff_amt = $diff * $entered_grn->this_quantity_inv;
279                                         $total += add_gl_trans($trans_type, $invoice_id, $date_,        $stock_gl_code["inventory_account"],
280                                                 $stock_gl_code['dimension_id'], $stock_gl_code['dimension2_id'], 'GRN Provision',
281                                                 $diff_amt, null, null, null,
282                                                 "The general ledger transaction could not be added for the GRN of the inventory item");
283
284                                         //Chaitanya
285                                         //If QOH is 0 or negative then update_average_material_cost will be skipped
286                                         //Thus difference in PO and Supp Invoice should be handled separately
287                                         
288                                         $qoh = get_qoh_on_date($entered_grn->item_code);
289                                         if ($qoh <= 0)
290                                         {
291                                                 global $Refs;
292
293                                                 //Chaitanya : Post a journal entry
294                                                 $id = get_next_trans_no(ST_JOURNAL);
295                                                 $ref = $Refs->get_next(ST_JOURNAL);
296                                                 $stock_id = $entered_grn->item_code;
297                                                 $stock_gl_code = get_stock_gl_code($stock_id);
298                                                 $memo = _("Supplier invoice adjustment for zero inventory of ").$stock_id." "._("Invoice")." ".$supp_trans->reference;
299                                                 //Reverse the inventory effect if $qoh <=0
300                                                 add_gl_trans_std_cost(ST_JOURNAL, $id, $date_, 
301                                                         $stock_gl_code["inventory_account"],
302                                                         $stock_gl_code['dimension_id'], $stock_gl_code['dimension2_id'],
303                                                         $memo, -$entered_grn->this_quantity_inv * $diff);
304                                                 //GL Posting to inventory adjustment account
305                                                 add_gl_trans_std_cost(ST_JOURNAL, $id, $date_, 
306                                                         $stock_gl_code["adjustment_account"],
307                                                         $stock_gl_code['dimension_id'], $stock_gl_code['dimension2_id'],
308                                                         $memo, $entered_grn->this_quantity_inv * $diff);
309                                                 
310                                                 add_audit_trail(ST_JOURNAL, $id, $date_);
311                                                 add_comments(ST_JOURNAL, $id, $date_, $memo);
312                                                 $Refs->save(ST_JOURNAL, $id, $ref);                                             
313                                         }                                       
314                                         
315                                         /*$qoh = get_qoh_on_date($entered_grn->item_code);
316                                         if ($qoh <= 0)
317                                         {
318                                                 $memo = "Diff. in cost: ".$diff;
319                                                 //Reverse the inventory effect if $qoh <=0
320                                                 add_gl_trans_supplier($trans_type, $invoice_id, $date_, 
321                                                 $stock_gl_code["inventory_account"],
322                                                 $stock_gl_code['dimension_id'], $stock_gl_code['dimension2_id'],
323                                                 -$entered_grn->this_quantity_inv * $diff, $supp_trans->supplier_id, "", null, $memo);
324                                                 //GL Posting to inventory adjustment account
325                                                 add_gl_trans_supplier($trans_type, $invoice_id, $date_, 
326                                                 $stock_gl_code["adjustment_account"],
327                                                 $stock_gl_code['dimension_id'], $stock_gl_code['dimension2_id'],
328                                                 $entered_grn->this_quantity_inv * $diff, $supp_trans->supplier_id, "", null, $memo);                                            
329                                         }*/                             
330                                         
331                                         //add_gl_trans($trans_type, $invoice_id, $date_,        $stock_gl_code["cogs_account"],
332                                         //      0, 0, 'GRN Provision', -$diff_amt, null, null, null,
333                                         //      "The general ledger transaction could not be added for the GRN of the inventory item");                         
334                                 }
335                         }       
336                         // added 2008-12-08 Joe Hunt. Update the purchase data table
337                         add_or_update_purchase_data($supp_trans->supplier_id, $entered_grn->item_code, $entered_grn->chg_price); 
338                         /*$deliveries = get_deliveries_between($entered_grn->item_code, $old_date, Today()); // extend the period, if invoice is before any deliveries.
339                         if ($deliveries[0] != 0) // have deliveries been done during the period?
340                         {
341                                 $deliveries[1] /= $deliveries[0];
342                                 $amt = ($mat_cost - $deliveries[1]) * $deliveries[0]; // $amt in home currency
343                                 if ($amt != 0.0)
344                                 {
345                                         $_s = $entered_grn->item_code;
346                                         $_d = $deliveries[0];
347                                         $_od = $old_date;
348                                         $_cd = $mat_cost - $deliveries[1];
349                                         $memo = _("Cost difference adjustment for $_s. $_d items delivered since $_od. The cost difference is $_cd");
350                                         add_gl_trans($trans_type, $invoice_id, $date_,  $stock_gl_code["cogs_account"],
351                                                 $stock_gl_code['dimension_id'], $stock_gl_code['dimension2_id'], $memo,
352                                                 $amt, null, null, null,
353                                                 "The general ledger transaction could not be added for the price variance of the inventory item");
354                                         add_gl_trans($trans_type, $invoice_id, $date_,  $iv_act,
355                                                 0, 0, $memo, -$amt, null, null, null,
356                                                 "The general ledger transaction could not be added for the price variance of the inventory item");
357                                 }               
358                                 update_stock_move_pid(ST_CUSTDELIVERY, $entered_grn->item_code, $old_date, $date_, 0, $mat_cost);
359                         } 
360                         if (is_inventory_item($entered_grn->item_code))
361                                 update_stock_move_pid(ST_SUPPRECEIVE, $entered_grn->item_code, $old_date, $old_date, $supp_trans->supplier_id, $mat_cost);
362                         */      
363                 //}
364                 }
365         // ----------------------------------------------------------------------
366
367                 add_supp_invoice_item($trans_type, $invoice_id, $entered_grn->item_code,
368                         $entered_grn->item_description, 0,      $entered_grn->chg_price, $line_tax,
369                         $entered_grn->this_quantity_inv, $entered_grn->id, $entered_grn->po_detail_item, "");
370     } /* end of GRN postings */
371     /* Now the TAX account */
372     $taxes = $supp_trans->get_taxes($supp_trans->tax_group_id, 0, false); // 2009.08-18 Joe Hunt. We have already got the gl lines
373     foreach ($taxes as $taxitem)
374     {
375         if ($taxitem['Net'] != 0)
376         {
377
378                 if ($trans_type == ST_SUPPCREDIT)
379                 {
380                         $taxitem['Net'] = -$taxitem['Net'];
381                         $taxitem['Value'] = -$taxitem['Value'];
382                 }       
383                         add_trans_tax_details($trans_type, $invoice_id, 
384                                 $taxitem['tax_type_id'], $taxitem['rate'], $supp_trans->tax_included, $taxitem['Value'],
385                                 $taxitem['Net'], $ex_rate, $date_, $supp_trans->supp_reference);
386
387                         if (isset($taxitem['purchasing_gl_code']))
388                         {
389                         if ($trans_type == ST_SUPPCREDIT)
390                                 $taxitem['Value'] = -$taxitem['Value'];
391                         $total += add_gl_trans_supplier($trans_type, $invoice_id, $date_,
392                                 $taxitem['purchasing_gl_code'], 0, 0, $taxitem['Value'],
393                                 $supp_trans->supplier_id,
394                                 "A general ledger transaction for the tax amount could not be added");
395                         }
396         }
397     }
398         
399         /*Post a balance post if $total != 0 */
400         add_gl_balance($trans_type, $invoice_id, $date_, -$total, PT_SUPPLIER, $supp_trans->supplier_id);       
401
402         add_comments($trans_type, $invoice_id, $date_, $supp_trans->Comments);
403
404         $Refs->save($trans_type, $invoice_id, $supp_trans->reference);
405
406         if ($supp_trans->src_docs)
407         {
408                 $invoice_alloc_balance = get_supp_trans_allocation_balance(ST_SUPPINVOICE, $supp_trans->src_docs);
409                 if ($invoice_alloc_balance > 0) 
410                 {       //the invoice is not already fully allocated 
411
412                         $trans = get_supp_trans($supp_trans->src_docs, ST_SUPPINVOICE);
413                         $total = $trans['Total'];
414
415                         $allocate_amount = ($invoice_alloc_balance > $total) ? $total : $invoice_alloc_balance;
416                         /*Now insert the allocation record if > 0 */
417                         if ($allocate_amount != 0) 
418                         {
419                                 update_supp_trans_allocation(ST_SUPPINVOICE, $supp_trans->src_docs, $allocate_amount);
420                                 update_supp_trans_allocation(ST_SUPPCREDIT, $invoice_id, $allocate_amount); // ***
421                                 add_supp_allocation($allocate_amount, ST_SUPPCREDIT, $invoice_id, ST_SUPPINVOICE, $supp_trans->src_docs,
422                                         $date_);
423                                 // Exchange Variations Joe Hunt 2008-09-20 ////////////////////////////////////////
424
425                                 exchange_variation(ST_SUPPCREDIT, $invoice_id, ST_SUPPINVOICE, $supp_trans->src_docs, $date_,
426                                         $allocate_amount, PT_SUPPLIER);
427
428                                 ///////////////////////////////////////////////////////////////////////////
429                         }
430                 }
431         }
432
433 //_vd($allocs);
434         reallocate_payments($invoice_id, ST_SUPPINVOICE, $date_, $to_allocate, $allocs);
435 //_vd(get_payments_for($sales_order, ST_PURCHORDER));
436 //_vd(get_payments_for($invoice_id, ST_SUPPINVOICE));
437 //exit;
438         hook_db_postwrite($supp_trans, $supp_trans->trans_type);
439     commit_transaction();
440
441     return $invoice_id;
442 }
443
444 //----------------------------------------------------------------------------------------
445
446 // get all the invoices/credits for a given PO - quite long route to get there !
447
448 function get_po_invoices_credits($po_number)
449 {
450         $sql = "SELECT DISTINCT ".TB_PREF."supp_trans.trans_no, ".TB_PREF."supp_trans.type,
451                 ov_amount+ov_discount+ov_gst AS Total,
452                 ".TB_PREF."supp_trans.tran_date
453                 FROM ".TB_PREF."supp_trans, ".TB_PREF."supp_invoice_items, "
454                 .TB_PREF."purch_order_details, ".TB_PREF."purch_orders
455                 WHERE ".TB_PREF."supp_invoice_items.supp_trans_no = ".TB_PREF."supp_trans.trans_no
456                 AND ".TB_PREF."supp_invoice_items.supp_trans_type = ".TB_PREF."supp_trans.type
457                 AND ".TB_PREF."supp_invoice_items.po_detail_item_id = ".TB_PREF."purch_order_details.po_detail_item
458                 AND ".TB_PREF."purch_orders.supplier_id = ".TB_PREF."supp_trans.supplier_id
459                 AND ".TB_PREF."purch_orders.order_no = ".TB_PREF."purch_order_details.order_no
460                 AND ".TB_PREF."purch_order_details.order_no = ".db_escape($po_number);
461
462         return db_query($sql, "The invoices/credits for the po $po_number could not be retreived");
463 }
464
465 //----------------------------------------------------------------------------------------
466
467 function read_supp_invoice($trans_no, $trans_type, &$supp_trans)
468 {
469         $sql = "SELECT ".TB_PREF."supp_trans.*, supp_name 
470                 FROM ".TB_PREF."supp_trans,".TB_PREF."suppliers
471                 WHERE trans_no = ".db_escape($trans_no)." AND type = ".db_escape($trans_type)."
472                 AND ".TB_PREF."suppliers.supplier_id=".TB_PREF."supp_trans.supplier_id";
473
474         $result = db_query($sql, "Cannot retreive a supplier transaction");
475
476         if (db_num_rows($result) == 1)
477         {
478                 $trans_row = db_fetch($result);
479
480                 $supp_trans->supplier_id = $trans_row["supplier_id"];
481                 $supp_trans->supplier_name = $trans_row["supp_name"];
482                 $supp_trans->tran_date = sql2date($trans_row["tran_date"]);
483                 $supp_trans->due_date = sql2date($trans_row["due_date"]);
484                 $supp_trans->Comments = get_comments_string($trans_type, $trans_no);
485                 $supp_trans->reference = $trans_row["reference"];
486                 $supp_trans->supp_reference = $trans_row["supp_reference"];
487                 $supp_trans->ov_amount = $trans_row["ov_amount"];
488                 $supp_trans->ov_discount = $trans_row["ov_discount"];
489                 $supp_trans->ov_gst = $trans_row["ov_gst"];
490                 $supp_trans->tax_included = $trans_row["tax_included"];
491                 $supp_trans->stored_algorithm = $supp_trans->tax_algorithm = $trans_row["tax_algorithm"];
492
493                 $id = $trans_row["trans_no"];
494
495                 $result = get_supp_invoice_items($trans_type, $id);
496
497                 if (db_num_rows($result) > 0)
498                 {
499
500             while ($details_row = db_fetch($result))
501             {
502
503                 if ($details_row["gl_code"] == 0)
504                 {
505                         $supp_trans->add_grn_to_trans($details_row["grn_item_id"], $details_row["po_detail_item_id"], $details_row["stock_id"],
506                                         $details_row["description"], 
507                                         $details_row['qty_recd'],
508                                         $details_row['quantity_inv']-$details_row["quantity"],
509                                         $details_row["quantity"], 0, $details_row["FullUnitPrice"],
510                                         0, 0);
511                 }
512                 else
513                 {
514                         $supp_trans->add_gl_codes_to_trans($details_row["gl_code"], get_gl_account_name($details_row["gl_code"]), 0, 0,
515                                         $details_row["FullUnitPrice"], $details_row["memo_"]);
516                 }
517             }
518         }
519         else
520         {
521                         return display_db_error("Invalid supptrans details for supptrans number : $trans_no and type : $trans_type", $sql, true);
522                 }
523
524         }
525         else
526         {
527                 return display_db_error("Invalid supptrans number : $trans_no and type : $trans_type", $sql, true);
528         }
529 }
530
531 //----------------------------------------------------------------------------------------
532
533 function get_matching_invoice_item($stock_id, $po_item_id)
534 {
535         $sql = "SELECT *, tran_date FROM ".TB_PREF."supp_invoice_items, ".TB_PREF."supp_trans
536                 WHERE supp_trans_type = ".ST_SUPPINVOICE." AND stock_id = "
537                 .db_escape($stock_id)." AND po_detail_item_id = ".db_escape($po_item_id)."
538                 AND supp_trans_no = trans_no";
539         $result = db_query($sql, "Cannot retreive supplier transaction detail records");
540         return db_fetch($result);  
541 }
542
543 function void_supp_invoice($type, $type_no)
544 {
545         begin_transaction();
546
547         hook_db_prevoid($type, $type_no);
548         $trans = get_supp_trans($type_no, $type);
549
550         void_bank_trans($type, $type_no, true);
551
552         void_gl_trans($type, $type_no, true);
553
554         void_supp_allocations($type, $type_no);
555
556         void_supp_trans($type, $type_no);
557
558         $result = get_supp_invoice_items($type, $type_no);
559
560         // now remove this invoice/credit from any GRNs/POs that it's related to
561         if (db_num_rows($result) > 0)
562         {
563                 $date_ = Today();
564         while ($details_row = db_fetch($result))
565         {
566                 if ((int)$details_row["grn_item_id"] > 0) // it can be empty for GL items
567                 {
568                         // Changed 2008-10-17 by Joe Hunt to get the avg. material cost updated
569                                 $old = update_supp_received_items_for_invoice($details_row["grn_item_id"],
570                                         $details_row["po_detail_item_id"], -$details_row["quantity"], $details_row["FullUnitPrice"]); 
571                                 
572                                 //$diff = $details_row["FullUnitPrice"] - $old[2];
573                                 $old_date = sql2date($old[1]);
574                                 
575                                 $batch = get_grn_batch_from_item($details_row["grn_item_id"]);  
576                                 $grn = get_grn_batch($batch);
577                         if ($type == ST_SUPPCREDIT) // credit note 2009-06-14 Joe Hunt Must restore the po and grn
578                         {       // We must get the corresponding invoice item to check for price chg.
579                                         $match = get_matching_invoice_item($details_row["stock_id"], $details_row["po_detail_item_id"]);
580                                         //Chaitanya : Skipped costing block & handle in void_stock_move
581                                         // We must get the corresponding invoice item to check for price chg.
582                                         /*if ($match !== false)
583                                                 $mat_cost = update_average_material_cost($grn["supplier_id"], $details_row["stock_id"],  
584                                                         $match["unit_price"], -$details_row["quantity"], sql2date($match['tran_date']), $match['tran_date'] !== $trans['tran_date']);
585                                         else            
586                                                 $mat_cost = update_average_material_cost($grn["supplier_id"], $details_row["stock_id"],  
587                                                         $details_row["FullUnitPrice"], -$details_row["quantity"], $old_date, $old[1] !== $trans['tran_date']);*/
588
589                                         $sql = "UPDATE ".TB_PREF."purch_order_details
590                                         SET quantity_ordered = quantity_ordered + ".-$details_row["quantity"].", ";
591                                 if ($match !== false)
592                                         $sql .= "act_price=".$match['unit_price'].", ";
593                                 $sql .= "quantity_received = quantity_received + ".-$details_row["quantity"]."
594                                     WHERE po_detail_item = ".$details_row["po_detail_item_id"];
595                                         db_query($sql, "a purchase order details record could not be updated. This receipt of goods has not been processed ");
596                                         $sql = "UPDATE ".TB_PREF."grn_items SET qty_recd=qty_recd+".-$details_row["quantity"]."
597                                                 WHERE id=".$details_row["grn_item_id"];
598                                         db_query($sql);
599                         }
600                         else
601                         {
602                                         $diff = get_diff_in_home_currency($grn["supplier_id"], $old_date, sql2date($trans['tran_date']), $old[2], 
603                                                 $details_row["FullUnitPrice"]);
604                                         // Only adjust the avg for the diff
605                                         $mat_cost = update_average_material_cost(null, $details_row["stock_id"],
606                                                 $diff, -$details_row["quantity"], $old_date, true);
607                                                 
608                                         //Chaitanya : Reverse effect
609                                         //If QOH is 0 or negative then update_average_material_cost will be skipped
610                                         //Thus difference in PO and Supp Invoice should be handled separately
611                                         
612                                         $qoh = get_qoh_on_date($details_row["stock_id"]);
613                                         if ($diff*$details_row["quantity"] !=0 && $qoh <= 0)
614                                         {
615                                                 global $Refs;
616
617                                                 //Chaitanya : Post a journal entry
618                                                 $id = get_next_trans_no(ST_JOURNAL);
619                                                 $ref = $Refs->get_next(ST_JOURNAL);
620                                                 $stock_id = $details_row["stock_id"];
621                                                 $stock_gl_code = get_stock_gl_code($stock_id);
622                                                 $memo = "Reversing Supplier invoice adjustment for zero inventory of ".$stock_id." Invoice: ".$trans['reference'];
623                                                 //Reverse the inventory effect if $qoh <=0
624                                                 add_gl_trans_std_cost(ST_JOURNAL, $id, $old_date, 
625                                                         $stock_gl_code["inventory_account"],
626                                                         $stock_gl_code['dimension_id'], $stock_gl_code['dimension2_id'],
627                                                         $memo, $details_row["quantity"] * $diff);
628                                                 //GL Posting to inventory adjustment account
629                                                 add_gl_trans_std_cost(ST_JOURNAL, $id, $old_date, 
630                                                         $stock_gl_code["adjustment_account"],
631                                                         $stock_gl_code['dimension_id'], $stock_gl_code['dimension2_id'],
632                                                         $memo, -$details_row["quantity"] * $diff);
633                                                 
634                                                 add_audit_trail(ST_JOURNAL, $id, $old_date);
635                                                 add_comments(ST_JOURNAL, $id, $old_date, $memo);
636                                                 $Refs->save(ST_JOURNAL, $id, $ref);                                             
637                                         }       
638                                 }
639                                 /*$deliveries = get_deliveries_between($details_row["stock_id"], $old_date, $date_);
640                                 if ($deliveries[0] != 0) // have deliveries been done during the period?
641                                 {
642                                         update_stock_move_pid(ST_CUSTDELIVERY, $details_row["stock_id"], $old_date, $date_, 0, $mat_cost);
643                                 }
644                                 update_stock_move_pid(ST_SUPPRECEIVE, $details_row["stock_id"], $old_date, $old_date, $grn['supplier_id'], $mat_cost);
645                                 */
646                 }
647         }
648         }
649
650         if ($type == ST_SUPPCREDIT) // void the credits in stock moves
651                 void_stock_move($type, $type_no); 
652         void_supp_invoice_items($type, $type_no);
653         void_trans_tax_details($type, $type_no);
654
655         commit_transaction();
656 }
657
658 //----------------------------------------------------------------------------------------
659 function get_gl_account_info($acc)
660 {
661         $sql = "SELECT account_code, account_name FROM ".TB_PREF."chart_master WHERE account_code=".db_escape($acc);
662         return db_query($sql,"get account information");
663 }
664
665 function is_reference_already_there($supplier_id, $supp_reference, $trans_no=0)
666 {
667         $sql = "SELECT COUNT(*) FROM ".TB_PREF."supp_trans WHERE supplier_id="
668                 .db_escape($supplier_id) . " AND supp_reference=" 
669                 .db_escape($supp_reference) 
670                 . " AND ov_amount!=0"; // ignore voided invoice references
671         if ($trans_no)
672                 $sql .= " AND trans_no!=$trans_no";
673         $result=db_query($sql,"The sql to check for the previous entry of the same invoice failed");
674
675         $myrow = db_fetch_row($result);
676         return $myrow[0] > 0;
677 }
678
679 function remove_not_invoice_item($id)
680 {
681         begin_transaction();
682
683     $myrow = get_grn_item_detail($id);
684
685     $grn = get_grn_batch($myrow['grn_batch_id']);
686
687     $supp = get_supplier($grn["supplier_id"]);
688
689         $sql = "UPDATE ".TB_PREF."purch_order_details
690                 SET quantity_received = qty_invoiced, quantity_ordered = qty_invoiced WHERE po_detail_item = ".$myrow["po_detail_item"];
691         db_query($sql, "The quantity invoiced of the purchase order line could not be updated");
692
693     $sql = "UPDATE ".TB_PREF."grn_items
694         SET qty_recd = quantity_inv WHERE id = ".$myrow["id"];
695     db_query($sql, "The quantity invoiced off the items received record could not be updated");
696
697     update_average_material_cost($grn["supplier_id"], $myrow["item_code"],
698         $myrow["unit_price"], -$myrow["QtyOstdg"], Today());
699         
700     $price = $myrow['unit_price'];
701     if ($supp['tax_included'])
702         $price = get_tax_free_price_for_item($myrow['item_code'], $myrow['unit_price'], $supp['tax_group_id'], $supp['tax_included']);        
703
704     add_stock_move(ST_SUPPRECEIVE, $myrow["item_code"], $myrow['grn_batch_id'], $grn['loc_code'], sql2date($grn["delivery_date"]), "",
705         -$myrow["QtyOstdg"], $myrow['std_cost_unit'], $grn["supplier_id"], 1, $price);
706         
707     $clearing_act = get_company_pref('grn_clearing_act');
708     if ($clearing_act) {    // otherwise GRN clearing account is not used
709         if (is_inventory_item($myrow['item_code']))
710         {
711             $total = 0;
712             $stock_gl_code = get_stock_gl_code($myrow['item_code']);
713             $date = sql2date($grn["delivery_date"]);
714             $total += add_gl_trans_supplier(ST_SUPPRECEIVE, $myrow['grn_batch_id'], $date, $stock_gl_code["inventory_account"],
715                 $stock_gl_code['dimension_id'], $stock_gl_code['dimension2_id'],
716                 -$myrow['QtyOstdg'] * $price, $grn["supplier_id"], "", 0, _("GRN Removal"));
717             $total += add_gl_trans_supplier(ST_SUPPRECEIVE, $myrow['grn_batch_id'], $date, $clearing_act,
718                 0, 0, -$total, null, "", 0, _("GRN Removal"));
719         }    
720     }
721
722     commit_transaction();
723 }
724
725 function find_src_invoices($cart)
726 {
727         $invoices = $po_ids = array();
728         foreach($cart->grn_items as $item)
729                 $po_ids[] = "'$item->po_detail_item'";  // credit item lines
730
731         if (count($po_ids)) {
732                 $sql = "SELECT DISTINCT trans.trans_no, trans.reference, trans.supp_reference
733                         FROM ".TB_PREF."supp_invoice_items items
734                         LEFT JOIN ".TB_PREF."supp_trans trans ON trans.trans_no=items.supp_trans_no AND trans.`type`=items.supp_trans_type
735                         WHERE items.po_detail_item_id IN (" . implode(',', $po_ids). ")"." AND items.supp_trans_type=20";
736                 $result = db_query($sql, "cannot find source invoice details");
737                 while ($rec = db_fetch($result))
738                 {
739                         $invoices[$rec['trans_no']] = $rec['supp_reference']; // array($rec['reference'], $rec['supp_reference']);
740                 }
741         }
742         return $invoices;
743 }