When using Quick Entries in Supplier Invoices/credit notes the tax sum now shows...
[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 ".TB_PREF."suppliers.supp_name, ".TB_PREF."payment_terms.terms, ".TB_PREF."payment_terms.days_before_due,
19                 ".TB_PREF."payment_terms.day_in_following_month,
20                 ".TB_PREF."suppliers.tax_group_id, ".TB_PREF."tax_groups.name As tax_group_name
21                 From ".TB_PREF."suppliers, ".TB_PREF."payment_terms, ".TB_PREF."tax_groups
22                 WHERE ".TB_PREF."suppliers.tax_group_id = ".TB_PREF."tax_groups.id
23                 AND ".TB_PREF."suppliers.payment_terms=".TB_PREF."payment_terms.terms_indicator
24                 AND ".TB_PREF."suppliers.supplier_id = '" . $supplier_id . "'";
25
26         $result = db_query($sql, "The supplier record selected: " . $supplier_id . " cannot be retrieved");
27
28         $myrow = db_fetch($result);
29
30     $supp_trans->supplier_id = $supplier_id;
31     $supp_trans->supplier_name = $myrow['supp_name'];
32         $supp_trans->terms_description = $myrow['terms'];
33
34         if ($myrow['days_before_due'] == 0)
35         {
36                 $supp_trans->terms = "1" . $myrow['day_in_following_month'];
37         }
38         else
39         {
40                 $supp_trans->terms = "0" . $myrow['days_before_due'];
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 = $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                 $sql = "SELECT delivery_date FROM ".TB_PREF."grn_batch,".TB_PREF."grn_items WHERE
72                         ".TB_PREF."grn_batch.id = ".TB_PREF."grn_items.grn_batch_id AND ".TB_PREF."grn_items.id=$id";
73                 $result = db_query($sql, "The old delivery date from the received record cout not be retrieved");
74                 $row = db_fetch_row($result);
75                 $date = $row[0];
76         }
77         else
78         {
79                 $ret = 0;
80                 $date = "";
81                 $unit_price = 0; // Added by Rasmus
82         }
83     $sql = "UPDATE ".TB_PREF."purch_order_details
84                 SET qty_invoiced = qty_invoiced + $qty_invoiced ";
85
86         if ($chg_price != null)
87                 $sql .= " , act_price = $chg_price ";
88
89         $sql .= " WHERE po_detail_item = $po_detail_item";
90     db_query($sql, "The quantity invoiced of the purchase order line could not be updated");
91
92     $sql = "UPDATE ".TB_PREF."grn_items
93         SET quantity_inv = quantity_inv + $qty_invoiced
94         WHERE id = $id";
95         db_query($sql, "The quantity invoiced off the items received record could not be updated");
96         return array($ret, $date, $unit_price);
97 }
98
99 function get_deliveries_between($stock_id, $from, $to)
100 {
101         $from = date2sql($from);
102         $to = date2sql($to);
103         $sql = "SELECT SUM(-qty), SUM(-qty*standard_cost) FROM ".TB_PREF."stock_moves
104                 WHERE type=13 AND stock_id='$stock_id' AND
105                         tran_date>='$from' AND tran_date<='$to' GROUP BY stock_id";
106         $result = db_query($sql, "The deliveries could not be updated");
107         return db_fetch_row($result);
108 }
109
110 function get_diff_in_home_currency($supplier, $old_date, $date, $amount1, $amount2)
111 {
112         $currency = get_supplier_currency($supplier);
113         $amount1 = to_home_currency($amount1, $currency, $old_date);
114         $amount2 = to_home_currency($amount2, $currency, $date);
115         return $amount2 - $amount1;
116 }
117 //----------------------------------------------------------------------------------------
118
119 function add_supp_invoice($supp_trans, $invoice_no=0) // do not receive as ref because we change locally
120 {
121         //$company_currency = get_company_currency();
122         /*Start an sql transaction */
123         begin_transaction();
124
125         $tax_total = 0;
126     $taxes = $supp_trans->get_taxes($supp_trans->tax_group_id);
127
128     foreach ($taxes as $taxitem)
129     {
130                 $taxitem['Value'] =  round2($taxitem['Value'], user_price_dec());
131         $tax_total += $taxitem['Value'];
132     }
133
134     $invoice_items_total = $supp_trans->get_total_charged($supp_trans->tax_group_id);
135
136         if ($supp_trans->is_invoice)
137                 $trans_type = 20;
138         else
139         {
140                 $trans_type = 21;
141                 // let's negate everything because it's a credit note
142                 $invoice_items_total = -$invoice_items_total;
143                 $tax_total = -$tax_total;
144                 $supp_trans->ov_discount = -$supp_trans->ov_discount; // this isn't used at all...
145         }
146
147     $date_ = $supp_trans->tran_date;
148         $ex_rate = get_exchange_rate_from_home_currency(get_supplier_currency($supp_trans->supplier_id), $date_);
149
150     /*First insert the invoice into the supp_trans table*/
151         $invoice_id = add_supp_trans($trans_type, $supp_trans->supplier_id, $date_, $supp_trans->due_date,
152                 $supp_trans->reference, $supp_trans->supp_reference,
153                 $invoice_items_total, $tax_total, $supp_trans->ov_discount);
154
155         $total = 0;
156     /* Now the control account */
157     $supplier_accounts = get_supplier_accounts($supp_trans->supplier_id);
158     $total += add_gl_trans_supplier($trans_type, $invoice_id, $date_, $supplier_accounts["payable_account"], 0, 0,
159                 -($invoice_items_total +  $tax_total + $supp_trans->ov_discount),
160                 $supp_trans->supplier_id,
161                 "The general ledger transaction for the control total could not be added");
162
163     /*Loop through the GL Entries and create a debit posting for each of the accounts entered */
164
165     /*the postings here are a little tricky, the logic goes like this:
166     if its a general ledger amount it goes straight to the account specified
167
168     if its a GRN amount invoiced then :
169
170     The cost as originally credited to GRN suspense on arrival of items is debited to GRN suspense. Any difference
171     between the std cost and the currency cost charged as converted at the ex rate of of the invoice is written off
172     to the purchase price variance account applicable to the item being invoiced.
173     */
174     foreach ($supp_trans->gl_codes as $entered_gl_code)
175     {
176
177             /*GL Items are straight forward - just do the debit postings to the GL accounts specified -
178             the credit is to creditors control act  done later for the total invoice value + tax*/
179
180                 if (!$supp_trans->is_invoice)
181                         $entered_gl_code->amount = -$entered_gl_code->amount;
182
183                 $memo_ = $entered_gl_code->memo_;
184                 $total += add_gl_trans_supplier($trans_type, $invoice_id, $date_, $entered_gl_code->gl_code,
185                         $entered_gl_code->gl_dim, $entered_gl_code->gl_dim2, $entered_gl_code->amount, $supp_trans->supplier_id, "", 0, $memo_);
186
187                 add_supp_invoice_gl_item($trans_type, $invoice_id, $entered_gl_code->gl_code,
188                         $entered_gl_code->amount, $memo_);
189
190                 // store tax details if the gl account is a tax account
191                 add_gl_tax_details($entered_gl_code->gl_code, 
192                         $trans_type, $invoice_id, $entered_gl_code->amount,
193                         $ex_rate, $date_, $supp_trans->supp_reference);
194     }
195     foreach ($supp_trans->grn_items as $entered_grn)
196     {
197
198         if (!$supp_trans->is_invoice)
199         {
200                         $entered_grn->this_quantity_inv = -$entered_grn->this_quantity_inv;
201                         set_grn_item_credited($entered_grn, $supp_trans->supplier_id, $invoice_id, $date_);
202         }
203
204                 $line_taxfree = $entered_grn->taxfree_charge_price($supp_trans->tax_group_id);
205                 $line_tax = $entered_grn->full_charge_price($supp_trans->tax_group_id) - $line_taxfree;
206                 $stock_gl_code = get_stock_gl_code($entered_grn->item_code);
207
208                 $total += add_gl_trans_supplier($trans_type, $invoice_id, $date_, $stock_gl_code["inventory_account"],
209                         $stock_gl_code['dimension_id'], $stock_gl_code['dimension2_id'],
210                         $entered_grn->this_quantity_inv * $line_taxfree, $supp_trans->supplier_id);
211         // -------------- if price changed since po received. 16 Aug 2008 Joe Hunt
212         if($supp_trans->is_invoice)
213         {
214                 $old = update_supp_received_items_for_invoice($entered_grn->id, $entered_grn->po_detail_item,
215                         $entered_grn->this_quantity_inv, $entered_grn->chg_price);
216                         // Since the standard cost is always calculated on basis of the po unit_price,
217                         // this is also the price that should be the base of calculating the price diff.
218                         // In cases where there is two different po invoices on the same delivery with different unit prices this will not work either
219
220                         //$old_price = $old[0];
221                          
222                         $old_price = $old[2];
223
224                         /*
225                         If statement is removed. Should always check for deliveries nomatter if there has been a price change. 
226                         */
227                         //if ($old_price != $entered_grn->chg_price) // price-change, so update
228                         //{
229                         //$diff = $entered_grn->chg_price - $old_price;
230                         $old_date = sql2date($old[1]);
231                         $diff = get_diff_in_home_currency($supp_trans->supplier_id, $old_date, $date_, $old_price, 
232                                 $entered_grn->chg_price);
233                         // always return due to change in currency.
234                         $mat_cost = update_average_material_cost(null, $entered_grn->item_code,
235                                 $diff, $entered_grn->this_quantity_inv, $old_date, true);
236                         // added 2008-12-08 Joe Hunt. Update the purchase data table
237                         add_or_update_purchase_data($supp_trans->supplier_id, $entered_grn->item_code, $entered_grn->chg_price); 
238                         $deliveries = get_deliveries_between($entered_grn->item_code, $old_date, Today()); // extend the period, if invoice is before any deliveries.
239                         if ($deliveries[0] != 0) // have deliveries been done during the period?
240                         {
241                                 $deliveries[1] /= $deliveries[0];
242                                 $amt = ($mat_cost - $deliveries[1]) * $deliveries[0]; // $amt in home currency
243                                 if ($amt != 0.0)
244                                 {
245                                         add_gl_trans($trans_type, $invoice_id, $date_,  $stock_gl_code["cogs_account"],
246                                                 $stock_gl_code['dimension_id'], $stock_gl_code['dimension2_id'], _("Cost diff."),
247                                                 $amt, null, null, null,
248                                                 "The general ledger transaction could not be added for the price variance of the inventory item");
249                                         add_gl_trans($trans_type, $invoice_id, $date_,  $stock_gl_code["inventory_account"],
250                                                 0, 0, _("Cost diff."), -$amt, null, null, null,
251                                                 "The general ledger transaction could not be added for the price variance of the inventory item");
252                                 }               
253                                 update_stock_move_pid(13, $entered_grn->item_code, $old_date, $date_, 0, $mat_cost);
254                         }
255                         update_stock_move_pid(25, $entered_grn->item_code, $old_date, $old_date, $supp_trans->supplier_id, $mat_cost);
256                 //}
257                 }
258         // ----------------------------------------------------------------------
259
260                 add_supp_invoice_item($trans_type, $invoice_id, $entered_grn->item_code,
261                         $entered_grn->item_description, 0,      $line_taxfree, $line_tax,
262                         $entered_grn->this_quantity_inv, $entered_grn->id, $entered_grn->po_detail_item, "");
263     } /* end of GRN postings */
264     /* Now the TAX account */
265     $taxes = $supp_trans->get_taxes($supp_trans->tax_group_id, 0, false); // 2009.08-18 Joe Hunt. We have already got the gl lines
266     foreach ($taxes as $taxitem)
267     {
268         if ($taxitem['Net'] != 0)
269         {
270
271                 if (!$supp_trans->is_invoice)
272                         $taxitem['Value'] = -$taxitem['Value'];
273                 // here we suppose that tax is never included in price (we are company customer).
274                         add_trans_tax_details($trans_type, $invoice_id, 
275                                 $taxitem['tax_type_id'], $taxitem['rate'], 0, $taxitem['Value'],
276                                 $taxitem['Net'], $ex_rate, $date_, $supp_trans->supp_reference);
277
278                 $total += add_gl_trans_supplier($trans_type, $invoice_id, $date_,
279                         $taxitem['purchasing_gl_code'], 0, 0, $taxitem['Value'],
280                         $supp_trans->supplier_id,
281                         "A general ledger transaction for the tax amount could not be added");
282         }
283     }
284         
285         /*Post a balance post if $total != 0 */
286         add_gl_balance($trans_type, $invoice_id, $date_, -$total, payment_person_types::supplier(), $supp_trans->supplier_id);  
287
288         add_comments($trans_type, $invoice_id, $date_, $supp_trans->Comments);
289
290         references::save_last($supp_trans->reference, $trans_type);
291
292         if ($invoice_no != 0)
293         {
294                 $invoice_alloc_balance = get_supp_trans_allocation_balance(20, $invoice_no);
295                 if ($invoice_alloc_balance > 0) 
296                 {       //the invoice is not already fully allocated 
297
298                         $trans = get_supp_trans($invoice_no, 20);
299                         $total = $trans['Total'];
300
301                         $allocate_amount = ($invoice_alloc_balance > $total) ? $total : $invoice_alloc_balance;
302                         /*Now insert the allocation record if > 0 */
303                         if ($allocate_amount != 0) 
304                         {
305                                 update_supp_trans_allocation(20, $invoice_no, $allocate_amount);
306                                 update_supp_trans_allocation(21, $invoice_id, $allocate_amount); // ***
307                                 add_supp_allocation($allocate_amount, 21, $invoice_id, 20, $invoice_no,
308                                         $date_);
309                                 // Exchange Variations Joe Hunt 2008-09-20 ////////////////////////////////////////
310
311                                 exchange_variation(21, $invoice_id, 20, $invoice_no, $date_,
312                                         $allocate_amount, payment_person_types::supplier());
313
314                                 ///////////////////////////////////////////////////////////////////////////
315                         }
316                 }
317         }
318         
319
320     commit_transaction();
321
322     return $invoice_id;
323 }
324
325 //----------------------------------------------------------------------------------------
326
327 // get all the invoices/credits for a given PO - quite long route to get there !
328
329 function get_po_invoices_credits($po_number)
330 {
331         $sql = "SELECT DISTINCT ".TB_PREF."supp_trans.trans_no, ".TB_PREF."supp_trans.type,
332                 ov_amount+ov_discount+ov_gst AS Total,
333                 ".TB_PREF."supp_trans.tran_date
334                 FROM ".TB_PREF."supp_trans, ".TB_PREF."supp_invoice_items, ".TB_PREF."purch_order_details, ".TB_PREF."purch_orders
335                 WHERE ".TB_PREF."supp_invoice_items.supp_trans_no = ".TB_PREF."supp_trans.trans_no
336                 AND ".TB_PREF."supp_invoice_items.po_detail_item_id = ".TB_PREF."purch_order_details.po_detail_item
337                 AND ".TB_PREF."purch_orders.supplier_id = ".TB_PREF."supp_trans.supplier_id
338                 AND ".TB_PREF."purch_order_details.order_no = $po_number";
339
340         return db_query($sql, "The invoices/credits for the po $po_number could not be retreived");
341 }
342
343 //----------------------------------------------------------------------------------------
344
345 function read_supp_invoice($trans_no, $trans_type, &$supp_trans)
346 {
347         $sql = "SELECT ".TB_PREF."supp_trans.*, supp_name FROM ".TB_PREF."supp_trans,".TB_PREF."suppliers
348                 WHERE trans_no = $trans_no AND type = $trans_type
349                 AND ".TB_PREF."suppliers.supplier_id=".TB_PREF."supp_trans.supplier_id";
350         $result = db_query($sql, "Cannot retreive a supplier transaction");
351
352         if (db_num_rows($result) == 1)
353         {
354                 $trans_row = db_fetch($result);
355
356                 $supp_trans->supplier_id = $trans_row["supplier_id"];
357                 $supp_trans->supplier_name = $trans_row["supp_name"];
358                 $supp_trans->tran_date = sql2date($trans_row["tran_date"]);
359                 $supp_trans->due_date = sql2date($trans_row["due_date"]);
360                 //$supp_trans->Comments = $trans_row["TransText"];
361                 $supp_trans->Comments = "";
362                 $supp_trans->reference = $trans_row["reference"];
363                 $supp_trans->supp_reference = $trans_row["supp_reference"];
364                 $supp_trans->ov_amount = $trans_row["ov_amount"];
365                 $supp_trans->ov_discount = $trans_row["ov_discount"];
366                 $supp_trans->ov_gst = $trans_row["ov_gst"];
367
368                 $id = $trans_row["trans_no"];
369
370                 $result = get_supp_invoice_items($trans_type, $id);
371
372                 if (db_num_rows($result) > 0)
373                 {
374
375             while ($details_row = db_fetch($result))
376             {
377
378                 if ($details_row["gl_code"] == 0)
379                 {
380                         $supp_trans->add_grn_to_trans($details_row["grn_item_id"], $details_row["po_detail_item_id"], $details_row["stock_id"],
381                                         $details_row["description"], 0, 0, $details_row["quantity"], 0, $details_row["FullUnitPrice"],
382                                         false, 0, 0);
383                 }
384                 else
385                 {
386                         $supp_trans->add_gl_codes_to_trans($details_row["gl_code"], get_gl_account_name($details_row["gl_code"]), 0, 0,
387                                         $details_row["FullUnitPrice"], $details_row["memo_"]);
388                 }
389             }
390         }
391         else
392         {
393                         return display_db_error("Invalid supptrans details for supptrans number : $trans_no and type : $trans_type", $sql, true);
394                 }
395
396         }
397         else
398         {
399                 return display_db_error("Invalid supptrans number : $trans_no and type : $trans_type", $sql, true);
400         }
401 }
402
403 //----------------------------------------------------------------------------------------
404
405 function get_matching_invoice_item($stock_id, $po_item_id)
406 {
407         $sql = "SELECT *, tran_date FROM ".TB_PREF."supp_invoice_items, ".TB_PREF."supp_trans
408                 WHERE supp_trans_type = 20 AND stock_id = '$stock_id' AND po_detail_item_id = $po_item_id
409                 AND supp_trans_no = trans_no";
410         $result = db_query($sql, "Cannot retreive supplier transaction detail records");
411         return db_fetch($result);  
412 }
413
414 function void_supp_invoice($type, $type_no)
415 {
416         begin_transaction();
417
418         $trans = get_supp_trans($type_no, $type);
419
420         void_bank_trans($type, $type_no, true);
421
422         void_gl_trans($type, $type_no, true);
423
424         void_supp_allocations($type, $type_no);
425
426         void_supp_trans($type, $type_no);
427
428         $result = get_supp_invoice_items($type, $type_no);
429
430         // now remove this invoice/credit from any GRNs/POs that it's related to
431         if (db_num_rows($result) > 0)
432         {
433                 $date_ = Today();
434         while ($details_row = db_fetch($result))
435         {
436                 if ((int)$details_row["grn_item_id"] > 0) // it can be empty for GL items
437                 {
438                         // Changed 2008-10-17 by Joe Hunt to get the avg. material cost updated
439                                 $old = update_supp_received_items_for_invoice($details_row["grn_item_id"],
440                                         $details_row["po_detail_item_id"], -$details_row["quantity"], $details_row["FullUnitPrice"]); 
441                                 
442                                 //$diff = $details_row["FullUnitPrice"] - $old[2];
443                                 $old_date = sql2date($old[1]);
444                                 
445                                 $batch = get_grn_batch_from_item($details_row["grn_item_id"]);  
446                                 $grn = get_grn_batch($batch);
447                         if ($type == 21) // credit note 2009-06-14 Joe Hunt Must restore the po and grn
448                         {       // We must get the corresponding invoice item to check for price chg.
449                                         $match = get_matching_invoice_item($details_row["stock_id"], $details_row["po_detail_item_id"]);
450                                         if ($match !== false)
451                                                 $mat_cost = update_average_material_cost($grn["supplier_id"], $details_row["stock_id"],  
452                                                         $match["unit_price"], -$details_row["quantity"], sql2date($match['tran_date']), $match['tran_date'] !== $trans['tran_date']);
453                                         else            
454                                                 $mat_cost = update_average_material_cost($grn["supplier_id"], $details_row["stock_id"],  
455                                                         $details_row["FullUnitPrice"], -$details_row["quantity"], $old_date, $old[1] !== $trans['tran_date']);
456                                         $sql = "UPDATE ".TB_PREF."purch_order_details
457                                         SET quantity_ordered = quantity_ordered + ".-$details_row["quantity"].", ";
458                                 if ($match !== false)
459                                         $sql .= "act_price=".$match['unit_price'].", ";
460                                 $sql .= "quantity_received = quantity_received + ".-$details_row["quantity"]."
461                                     WHERE po_detail_item = ".$details_row["po_detail_item_id"];
462                                         db_query($sql, "a purchase order details record could not be updated. This receipt of goods has not been processed ");
463                                         $sql = "UPDATE ".TB_PREF."grn_items SET qty_recd=qty_recd+".-$details_row["quantity"]."
464                                                 WHERE id=".$details_row["grn_item_id"];
465                                         db_query($sql);
466                         }
467                         else
468                         {
469                                         $diff = get_diff_in_home_currency($grn["supplier_id"], $old_date, sql2date($trans['tran_date']), $old[2], 
470                                                 $details_row["FullUnitPrice"]);
471                                         // Only adjust the avg for the diff
472                                         $mat_cost = update_average_material_cost(null, $details_row["stock_id"],
473                                                 $diff, -$details_row["quantity"], $old_date, true);
474                                 }
475                                 $deliveries = get_deliveries_between($details_row["stock_id"], $old_date, $date_);
476                                 if ($deliveries[0] != 0) // have deliveries been done during the period?
477                                 {
478                                         update_stock_move_pid(13, $details_row["stock_id"], $old_date, $date_, 0, $mat_cost);
479                                 }
480                                 update_stock_move_pid(25, $details_row["stock_id"], $old_date, $old_date, $grn['supplier_id'], $mat_cost);
481                 }
482         }
483         }
484
485         if ($type == 21) // void the credits in stock moves
486                 void_stock_move(21, $type_no); 
487         void_supp_invoice_items($type, $type_no);
488         void_trans_tax_details($type, $type_no);
489
490         commit_transaction();
491 }
492
493 //----------------------------------------------------------------------------------------
494
495
496 ?>