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