purchasing/includes/db/invoice_db.inc

   1 <?php
   2 /**********************************************************************
   3     Copyright (C) FrontAccounting, LLC.
   4         Released under the terms of the GNU General Public License, GPL,
   5         as published by the Free Software Foundation, either version 3
   6         of the License, or (at your option) any later version.
   7     This program is distributed in the hope that it will be useful,
   8     but WITHOUT ANY WARRANTY; without even the implied warranty of
   9     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
  10     See the License here <http://www.gnu.org/licenses/gpl-3.0.html>.
  11 ***********************************************************************/
  12 include_once($path_to_root . "/purchasing/includes/db/invoice_items_db.inc");
  13 include_once($path_to_root . "/admin/db/attachments_db.inc");
  14
  15 //--------------------------------------------------------------------------------------------------
  16
  17 function read_supplier_details_to_trans(&$supp_trans, $supplier_id)
  18 {
  19         $sql = "SELECT supp.supp_name, terms.terms, terms.days_before_due, supp.dimension_id, supp.dimension2_id,
  20                 terms.day_in_following_month, supp.tax_included,
  21                 supp.tax_group_id, tax_group.name AS tax_group_name,
  22                 supp.credit_limit - Sum((ov_amount + ov_gst + ov_discount)) as cur_credit, curr_code
  23                 FROM ".TB_PREF."suppliers supp LEFT JOIN "
  24                         .TB_PREF."supp_trans trans ON supp.supplier_id = trans.supplier_id, "
  25                         .TB_PREF."payment_terms terms, "
  26                         .TB_PREF."tax_groups tax_group
  27                 WHERE supp.tax_group_id = tax_group.id
  28                 AND supp.payment_terms=terms.terms_indicator
  29                 AND supp.supplier_id = ".db_escape($supplier_id)." GROUP BY supp.supp_name";
  30
  31         $result = db_query($sql, "The supplier record selected: " . $supplier_id . " cannot be retrieved");
  32
  33         $myrow = db_fetch($result);
  34
  35     if ($supp_trans->tran_date == "")
  36     {
  37                 $supp_trans->tran_date = Today();
  38
  39                 if (!is_date_in_fiscalyear($supp_trans->tran_date))
  40                         $supp_trans->tran_date = end_fiscalyear();
  41         }
  42         if ($supp_trans->supplier_id != $supplier_id)
  43             get_duedate_from_terms($supp_trans);
  44
  45     $supp_trans->supplier_id = $supplier_id;
  46     $supp_trans->tax_included = $myrow['tax_included'];
  47     $supp_trans->supplier_name = $myrow['supp_name'];
  48         $supp_trans->terms = array(
  49                 'description' => $myrow['terms'],
  50                 'days_before_due' => $myrow['days_before_due'],
  51                 'day_in_following_month' => $myrow['day_in_following_month'] );
  52
  53         $supp_trans->credit = $myrow['cur_credit'];
  54
  55         $supp_trans->tax_description = $myrow['tax_group_name'];
  56         $supp_trans->tax_group_id = $myrow['tax_group_id'];
  57         $supp_trans->dimension = $myrow['dimension_id'];
  58         $supp_trans->dimension2 = $myrow['dimension2_id'];
  59         $supp_trans->currency = $myrow['curr_code'];
  60
  61 }
  62
  63 //-------------------------------------------------------------------------------------------------
  64 //      Updates invoiced quantity in PO and GRN line, and act_price in PO
  65 //  Returns:
  66 // if chg_price is set:  previous act_price, delivery date and unit_price from PO
  67 //
  68 function update_supp_received_items_for_invoice($id, $po_detail_item, $qty_invoiced, $chg_price=null)
  69 {
  70         if ($chg_price != null)
  71         {
  72                 $sql = "SELECT act_price, unit_price FROM ".TB_PREF."purch_order_details WHERE
  73                         po_detail_item = ".db_escape($po_detail_item);
  74                 $result = db_query($sql, "The old actual price of the purchase order line could not be retrieved");
  75                 $row = db_fetch($result);
  76                 $ret = $row['act_price'];
  77
  78                 $unit_price = $row['unit_price']; //Added by Rasmus
  79
  80                 $sql = "SELECT delivery_date
  81                         FROM ".TB_PREF."grn_batch grn,"
  82                                 .TB_PREF."grn_items line
  83                         WHERE
  84                                 grn.id = line.grn_batch_id AND line.id=".db_escape($id);
  85                 $result = db_query($sql, "The old delivery date from the received record cout not be retrieved");
  86                 $row = db_fetch($result);
  87                 $date = $row['delivery_date'];
  88         }
  89         else
  90         {
  91                 $ret = 0;
  92                 $date = "";
  93                 $unit_price = 0; // Added by Rasmus
  94         }
  95     $sql = "UPDATE ".TB_PREF."purch_order_details
  96                 SET qty_invoiced = qty_invoiced + ".db_escape($qty_invoiced);
  97
  98         if ($chg_price != null)
  99                 $sql .= " , act_price = ".db_escape($chg_price);
 100
 101         $sql .= " WHERE po_detail_item = ".db_escape($po_detail_item);
 102     db_query($sql, "The quantity invoiced of the purchase order line could not be updated");
 103
 104     $sql = "UPDATE ".TB_PREF."grn_items
 105         SET quantity_inv = quantity_inv + ".db_escape($qty_invoiced)."
 106         WHERE id = ".db_escape($id);
 107         db_query($sql, "The quantity invoiced off the items received record could not be updated");
 108         return array($ret, $date, $unit_price);
 109 }
 110
 111 function get_diff_in_home_currency($supplier, $old_date, $date, $amount1, $amount2)
 112 {
 113         $dec = user_price_dec();
 114         price_decimal_format($amount2, $dec);
 115         $currency = get_supplier_currency($supplier);
 116         $ex_rate = get_exchange_rate_to_home_currency($currency, $old_date);
 117         $amount1 = $amount1 / $ex_rate;
 118         $ex_rate = get_exchange_rate_to_home_currency($currency, $date);
 119         $amount2 = $amount2 / $ex_rate;
 120         $diff = $amount2 - $amount1;
 121         //return round2($diff, $dec);
 122         return $diff;
 123 }
 124 //----------------------------------------------------------------------------------------
 125
 126 function add_supp_invoice(&$supp_trans)  //, $already_voided=false, $allocs=null)
 127 {
 128         global $Refs, $systypes_array;
 129
 130         $trans_no = $supp_trans->trans_no;
 131         $trans_type = $supp_trans->trans_type;
 132         $supplier = get_supplier($supp_trans->supplier_id);
 133         $dec = user_price_dec();
 134
 135         begin_transaction();
 136         hook_db_prewrite($supp_trans, $trans_type);
 137
 138         if ($trans_no) {        // void old transaction
 139 //       if (!$already_voided) {        // transaction is already voided in case of direct invoice edition, which is needed for proper inventory value handling
 140                 $allocs = get_payments_for($trans_no, $trans_type, $supp_trans->supplier_id); // save allocations
 141                 void_supp_invoice($trans_type, $trans_no, true);
 142                 add_audit_trail($trans_type, $trans_no, Today(), _("Voided."));
 143                 add_voided_entry($trans_type, $trans_no, Today(), _("Document reentered."));
 144                 $Refs->restore_last($trans_type, $trans_no);
 145 //       }
 146         } else
 147                 $allocs = get_po_prepayments($supp_trans);
 148
 149         // register exchange rate when used first time on date
 150         add_new_exchange_rate($supplier['curr_code'], $supp_trans->tran_date, $supp_trans->ex_rate);
 151
 152         // store basic transaction info
 153         $invoice_id = write_supp_trans($trans_type, 0, $supp_trans->supplier_id, $supp_trans->tran_date, $supp_trans->due_date,
 154                 $supp_trans->reference, $supp_trans->supp_reference, 0, 0, 0, $supp_trans->ex_rate, $supp_trans->tax_included);
 155
 156         if ($trans_no)
 157                 move_trans_attachments($trans_type, $trans_no, $invoice_id);
 158
 159         $supp_trans->trans_no = $invoice_id;
 160     $date_ = $supp_trans->tran_date;
 161
 162         if (!$supp_trans->ex_rate)
 163                 $supp_trans->ex_rate = get_exchange_rate_from_home_currency($supplier['curr_code'], $date_);
 164
 165         // prepare cart for GL postings
 166         $gl_cart = new items_cart($trans_type, $invoice_id);
 167         $gl_cart->tran_date = $date_;
 168         $gl_cart->set_currency($supplier['curr_code'], $supp_trans->ex_rate);
 169
 170     $clearing_act = get_company_pref('grn_clearing_act');
 171
 172         $supp_trans->split_line_values();       // generate amounts for GL postings
 173
 174         $tax_total = 0;
 175         $net_total = 0;
 176         foreach($supp_trans->grn_items as $item)
 177         {
 178                 $item_gl = $item->gl_amounts;
 179
 180                 $stock_gl_code = get_stock_gl_code($item->item_code);
 181                 $dimension = !empty($supp_trans->dimension) ? $supp_trans->dimension :
 182                         ($supplier['dimension_id'] ? $supplier['dimension_id'] : $stock_gl_code['dimension_id']);
 183                 $dimension2 = !empty($supp_trans->dimension2) ? $supp_trans->dimension2 :
 184                         ($supplier['dimension2_id'] ? $supplier['dimension2_id'] : $stock_gl_code['dimension2_id']);
 185
 186                 $line_tax = 0;
 187                 foreach($item_gl as $index => $value)
 188                 {
 189                          if (is_numeric($index)) // taxes
 190                          {
 191                                 if ($value['Deductible'])
 192                                 {       // GL: VAT deductible
 193                                         $gl_cart->add_gl_item($value['purchasing_gl_code'], 0, 0, $value['Deductible']+$value['Adjust']);
 194                                         // GL: VAT adjustment due to vat factor
 195                                         if ($value['Adjust'])
 196                                                 $gl_cart->add_gl_item(get_company_pref('tax_adjustments_act'), 0, 0, -$value['Adjust']);
 197                                 }
 198                                 if ($value['Payable']) // reverse charge/intracommunity aquisition
 199                                 {
 200                                         $gl_cart->add_gl_item($value['sales_gl_code'], 0, 0, -$value['Payable']);
 201                                 }
 202                                 // GL: AP account (vat part)
 203                                 if ($value['Value'])
 204                                 {
 205                                         $gl_cart->add_gl_item($supplier["payable_account"], 0, 0, -$value['Value'] , '', '', $supp_trans->supplier_id);
 206                                 }
 207                                 if (($item->vat_category == VC_REVERSE) && $supplier['tax_area'] == TA_EU)
 208                                         $vat_category = VC_OTHER;
 209                                 else
 210                                         $vat_category = $item->vat_category;
 211
 212                                 add_trans_tax_details($trans_type, $invoice_id,
 213                                         $value['tax_type_id'], $value['rate'], $supp_trans->tax_included, $value['Value'],
 214                                         $item_gl['Net'], $supp_trans->ex_rate, $date_, $supp_trans->supp_reference, TR_INPUT, $supp_trans->tax_group_id, $vat_category);
 215
 216                                 $line_tax += $value['Payable'] ? $value['Payable'] : $value['Value'];
 217                         }
 218                 }
 219
 220                 // GL: AP account (net)
 221                 $gl_cart->add_gl_item($supplier["payable_account"], 0, 0, -$item_gl['Net'], '', '', $supp_trans->supplier_id);
 222
 223                 $tax_total += $item_gl['Tax'];
 224                 $net_total += $item_gl['Net'];
 225
 226                 // cost line value
 227                 $taxfree_line =  $item_gl['Cost'];
 228
 229                 if (!is_inventory_item($item->item_code))
 230                 {
 231                         $gl_cart->add_gl_item($supplier["purchase_account"] ? $supplier["purchase_account"] : $stock_gl_code["cogs_account"], $dimension, $dimension2, $taxfree_line);
 232
 233                 } elseif ($trans_type != ST_SUPPCREDIT) {
 234                         $gl_cart->add_gl_item($stock_gl_code["inventory_account"], $dimension, $dimension2, $taxfree_line, _('Return to supplier'));
 235                         // we must use invoice value here to preserve proper inventory valuation,
 236                         // but if the purchase changed average cost, and any item was sold between invoice and credit,
 237                         // the average will not return to the previous one. To fix this additional cost update should be made here to compensate cogs difference on items sold.
 238                         update_average_material_cost(null, $item->item_code, $item_gl['Cost']/$item->this_quantity_inv, -$item->this_quantity_inv, $date_);
 239                 } else {
 240
 241                         // calculate difference between clearing cost and actual cost
 242                         $diff = $item_gl['Cost'] - $item->std_cost_unit*$item->this_quantity_inv;
 243
 244                         update_average_material_cost(null, $item->item_code,
 245                                 $diff/$item->this_quantity_inv, $item->this_quantity_inv, null, true);
 246
 247                         if ($clearing_act)
 248                         {
 249                                 if ($diff != 0) // if value on invoice differs from those posted on GRN receive, post the difference
 250                                 {
 251
 252                                         $gl_cart->add_gl_item($stock_gl_code["inventory_account"],                      // cart is in supplier currency, so need to fix by ex_rate here
 253                                                 $dimension, $dimension2, $diff/$gl_cart->rate, _('GRN Provision')); // subject to rounding errors?
 254
 255                                         $gl_cart->add_gl_item($clearing_act,
 256                                                 $dimension, $dimension2, -$diff/$gl_cart->rate);
 257
 258                                         //Chaitanya
 259                                         //If QOH is 0 or negative then update_average_material_cost will be skipped
 260                                         //Thus difference in PO and Supp Invoice should be handled separately
 261                                         $qoh = get_qoh_on_date($item->item_code);
 262                                         if ($qoh <= 0)
 263                                         {
 264                                                 global $Refs;
 265                                                         //Chaitanya : Post a journal entry
 266                                                 $id = get_next_trans_no(ST_JOURNAL);
 267                                                 $ref = $Refs->get_next(ST_JOURNAL, null, $date_);
 268                                                 add_journal(ST_JOURNAL, $id, $diff, $date_, get_company_currency(), $ref);
 269                                                 $stock_id = $item->item_code;
 270                                                 $stock_gl_code = get_stock_gl_code($stock_id);
 271                                                 $memo = _("Supplier invoice adjustment for zero inventory of ").$stock_id." "._("Invoice")." ".$supp_trans->reference;
 272                                                 //Reverse the inventory effect if $qoh <=0
 273                                                 add_gl_trans_std_cost(ST_JOURNAL, $id, $date_,
 274                                                         $stock_gl_code["inventory_account"],
 275                                                         $dimension, $dimension2,
 276                                                         $memo, -$diff);
 277                                                 //GL Posting to inventory adjustment account
 278                                                 add_gl_trans_std_cost(ST_JOURNAL, $id, $date_,
 279                                                         $stock_gl_code["adjustment_account"],
 280                                                         $dimension, $dimension2,
 281                                                         $memo, $diff);
 282                                                         add_audit_trail(ST_JOURNAL, $id, $date_);
 283                                                 add_comments(ST_JOURNAL, $id, $date_, $memo);
 284                                                 $Refs->save(ST_JOURNAL, $id, $ref);
 285                                         }
 286                                 }
 287                                 $gl_cart->add_gl_item($clearing_act, $dimension, $dimension2, $taxfree_line);
 288                         }
 289                         else  // no postings on GRN, so post full cost here
 290                                 $gl_cart->add_gl_item($stock_gl_code["inventory_account"], $dimension, $dimension2,     $taxfree_line);
 291
 292                 }
 293
 294 //        if (is_fa_item($item->item_code)) {
 295 //          add_actual_cost($item->order_price, $item->item_code);
 296 //        }
 297
 298         if ($trans_type == ST_SUPPCREDIT)
 299                         set_grn_item_credited($item, $supp_trans->supplier_id, $invoice_id, $date_);
 300                 else {
 301                         add_or_update_purchase_data($supp_trans->supplier_id, $item->item_code, $item->chg_price);
 302
 303                         update_supp_received_items_for_invoice($item->id, $item->po_detail_item,
 304                                 $item->this_quantity_inv, $item->chg_price);
 305                 }
 306
 307                 $qty = ($trans_type==ST_SUPPCREDIT ? 1 : -1)*$item->this_quantity_inv;
 308                 add_supp_invoice_item($trans_type, $invoice_id, $item->item_code,
 309                         $item->item_description, 0,     $item->chg_price, $line_tax/$qty, $qty, $item->id, $item->po_detail_item);
 310     } // grn_items
 311
 312
 313     /*GL Items are straight forward - just do the debit postings to the GL accounts specified -
 314     the credit is to creditors control act */
 315     foreach ($supp_trans->gl_codes as $entered_gl_code)
 316     {
 317                 $memo_ = $entered_gl_code->memo_;
 318
 319                 $index = is_tax_account($entered_gl_code->gl_code);
 320                 if ($index !== false)
 321                 {
 322                         $gl_cart->add_gl_item($entered_gl_code->gl_code, $entered_gl_code->gl_dim, $entered_gl_code->gl_dim2, $entered_gl_code->amount);
 323                         // store tax details if the gl account is a tax account
 324                         add_gl_tax_details($entered_gl_code->gl_code,
 325                                 $trans_type, $invoice_id, $entered_gl_code->amount,
 326                                 $supp_trans->ex_rate, $date_, $supp_trans->supp_reference, $supp_trans->tax_included, null, $supp_trans->tax_group_id);
 327
 328                         $tax_total += $entered_gl_code->amount;
 329                 } else {
 330                         $gl_cart->add_gl_item($entered_gl_code->gl_code, $entered_gl_code->gl_dim, $entered_gl_code->gl_dim2, $entered_gl_code->amount);
 331                         $net_total += $entered_gl_code->amount;
 332                 }
 333                 $gl_cart->add_gl_item($supplier["payable_account"], 0, 0, -$entered_gl_code->amount, '', '', $supp_trans->supplier_id);
 334
 335                 add_supp_invoice_gl_item($trans_type, $invoice_id, $entered_gl_code->gl_code, $entered_gl_code->amount, $memo_,
 336                         $entered_gl_code->gl_dim, $entered_gl_code->gl_dim2);
 337     }
 338
 339         if ($trans_type == ST_SUPPCREDIT) {             // reverse postings if this is credit note
 340                 foreach($gl_cart->gl_items as &$line)
 341                         $line->amount = -$line->amount;
 342                 $net_total = -$net_total;
 343                 $tax_total = -$tax_total;
 344         }
 345         $gl_cart->reduce_gl();  // minimize GL lines
 346
 347         $gl_cart->write_gl(false); // don't check balances here: we are working on two (maybe unbalanced) carts
 348
 349         update_supp_trans_sums($trans_type, $invoice_id, round($net_total,2), round($tax_total,2));
 350
 351         add_comments($trans_type, $invoice_id, $date_, $supp_trans->Comments);
 352
 353         $Refs->save($trans_type, $invoice_id, $supp_trans->reference);
 354
 355         if (count($supp_trans->src_docs) == 1)
 356         {
 357                 $invoice_no = key($supp_trans->src_docs);
 358                 $invoice_alloc_balance = get_supp_trans_allocation_balance(ST_SUPPINVOICE, $supp_trans->src_docs);
 359                 if ($invoice_alloc_balance > 0)
 360                 {       //the invoice is not already fully allocated
 361
 362                         $trans = get_supp_trans($invoice_id, ST_SUPPCREDIT);
 363                         $total = -$trans['Total'];
 364
 365                         $allocate_amount = ($invoice_alloc_balance > $total) ? $total : $invoice_alloc_balance;
 366
 367                         /*Now insert the allocation record if > 0 */
 368                         if ($allocate_amount != 0)
 369                         {
 370                                 add_supp_allocation($allocate_amount, ST_SUPPCREDIT, $invoice_id, ST_SUPPINVOICE, $invoice_no,
 371                                         $supp_trans->supplier_id, $date_);
 372                                 update_supp_trans_allocation(ST_SUPPINVOICE, $invoice_no, $supp_trans->supplier_id);
 373                                 update_supp_trans_allocation(ST_SUPPCREDIT, $invoice_id, $supp_trans->supplier_id);
 374
 375                                 exchange_variation(ST_SUPPCREDIT, $invoice_id, ST_SUPPINVOICE, $supp_trans->src_docs, $date_,
 376                                         $allocate_amount, PT_SUPPLIER);
 377                         }
 378                 }
 379         }
 380
 381         reallocate_payments($invoice_id, ST_SUPPINVOICE, $date_, $net_total+$tax_total, $allocs, $supp_trans->supplier_id);
 382
 383         hook_db_postwrite($supp_trans, $supp_trans->trans_type);
 384     commit_transaction();
 385     return $invoice_id;
 386 }
 387
 388 //----------------------------------------------------------------------------------------
 389
 390 // get all the invoices/credits for a given PO - quite long route to get there !
 391
 392 function get_po_invoices_credits($po_number)
 393 {
 394         $sql = "SELECT DISTINCT trans.trans_no, trans.type,     ov_amount+ov_discount+ov_gst AS Total,
 395                                 trans.tran_date
 396                         FROM ".TB_PREF."supp_trans trans,"
 397                                 .TB_PREF."supp_invoice_items line,"
 398                                 .TB_PREF."purch_order_details poline,"
 399                                 .TB_PREF."purch_orders po
 400                 WHERE line.supp_trans_no = trans.trans_no
 401                         AND line.supp_trans_type = trans.type
 402                         AND line.po_detail_item_id = poline.po_detail_item
 403                         AND po.supplier_id = trans.supplier_id
 404                         AND po.order_no = poline.order_no
 405                         AND poline.order_no = ".db_escape($po_number);
 406
 407         return db_query($sql, "The invoices/credits for the po $po_number could not be retreived");
 408 }
 409
 410 //----------------------------------------------------------------------------------------
 411 //
 412 // Retrieve tax ovverides from tax register.
 413 //
 414 function get_tax_overrides($trans_type, $trans_no)
 415 {
 416         $tax_overrides = array();
 417         $sql = "SELECT amount, tax_type_id as id, rate
 418                 FROM ".TB_PREF."trans_tax_details details
 419                 WHERE trans_type=".db_escape($trans_type)." AND trans_no=".db_escape($trans_no)
 420                 ." AND amount>0"; // skip reposting of nondeductible VAT
 421
 422         $result = db_query($sql, 'Cannot retrieve tax overrides');
 423         while($row = db_fetch($result))
 424         {
 425                 $tax_overrides[$row['id']] = $row['amount'];
 426         }
 427
 428         return $tax_overrides;
 429 }
 430 //----------------------------------------------------------------------------------------
 431
 432 function read_supp_invoice($trans_no, $trans_type, &$supp_trans)
 433 {
 434         $sql = "SELECT trans.*, supp_name, dimension_id, dimension2_id, curr_code
 435                 FROM ".TB_PREF."supp_trans trans,"
 436                         .TB_PREF."suppliers sup
 437                 WHERE trans_no = ".db_escape($trans_no)." AND type = ".db_escape($trans_type)."
 438                 AND sup.supplier_id=trans.supplier_id";
 439
 440         $result = db_query($sql, "Cannot retreive a supplier transaction");
 441
 442         if (db_num_rows($result) == 1)
 443         {
 444                 $trans_row = db_fetch($result);
 445
 446                 $supp_trans->supplier_id = $trans_row["supplier_id"];
 447                 $supp_trans->supplier_name = $trans_row["supp_name"];
 448                 $supp_trans->tran_date = sql2date($trans_row["tran_date"]);
 449                 $supp_trans->due_date = sql2date($trans_row["due_date"]);
 450                 $supp_trans->Comments = get_comments_string($trans_type, $trans_no);
 451                 $supp_trans->reference = $trans_row["reference"];
 452                 $supp_trans->supp_reference = $trans_row["supp_reference"];
 453                 $supp_trans->ov_amount = $trans_row["ov_amount"];
 454                 $supp_trans->ov_discount = $trans_row["ov_discount"];
 455                 $supp_trans->ov_gst = $trans_row["ov_gst"];
 456                 $supp_trans->tax_included = $trans_row["tax_included"];
 457                 $supp_trans->dimension = $trans_row["dimension_id"];
 458                 $supp_trans->dimension2 = $trans_row["dimension2_id"];
 459                 $supp_trans->currency = $trans_row["curr_code"];
 460
 461                 $id = $trans_row["trans_no"];
 462
 463                 $result = get_supp_invoice_items($trans_type, $id);
 464
 465                 if (db_num_rows($result) > 0)
 466                 {
 467
 468             while ($details_row = db_fetch($result))
 469             {
 470
 471                 if ($details_row["gl_code"] == 0)
 472                 {
 473                         $supp_trans->add_grn_to_trans($details_row["grn_item_id"], $details_row["po_detail_item_id"], $details_row["stock_id"],
 474                                         $details_row["description"],
 475                                         $details_row['qty_recd'],
 476                                         $details_row['quantity_inv']-$details_row["quantity"],
 477                                         $details_row["quantity"], 0, $details_row["FullUnitPrice"],
 478                                         0, 0);
 479                 }
 480                 else
 481                 {
 482                         $supp_trans->add_gl_codes_to_trans($details_row["gl_code"], get_gl_account_name($details_row["gl_code"]),
 483                                 $details_row["dimension_id"], $details_row["dimension2_id"],
 484                                         $details_row["FullUnitPrice"], $details_row["memo_"]);
 485                 }
 486             }
 487                         $supp_trans->tax_overrides = get_tax_overrides($trans_type, $trans_no);
 488         }
 489         else
 490         {
 491                         return display_db_error("Invalid supptrans details for supptrans number : $trans_no and type : $trans_type", $sql, true);
 492                 }
 493
 494         }
 495         else
 496         {
 497                 return display_db_error("Invalid supptrans number : $trans_no and type : $trans_type", $sql, true);
 498         }
 499 }
 500
 501 //----------------------------------------------------------------------------------------
 502
 503 function get_matching_invoice_item($stock_id, $po_item_id)
 504 {
 505         $sql = "SELECT *, tran_date
 506                 FROM ".TB_PREF."supp_invoice_items,"
 507                         .TB_PREF."supp_trans
 508                 WHERE supp_trans_type = ".ST_SUPPINVOICE." AND stock_id = "
 509                 .db_escape($stock_id)." AND po_detail_item_id = ".db_escape($po_item_id)."
 510                 AND supp_trans_no = trans_no";
 511         $result = db_query($sql, "Cannot retreive supplier transaction detail records");
 512         return db_fetch($result);
 513 }
 514
 515 function void_supp_invoice($type, $type_no)
 516 {
 517         begin_transaction();
 518
 519         hook_db_prevoid($type, $type_no);
 520         $trans = get_supp_trans($type_no, $type);
 521
 522         void_bank_trans($type, $type_no, true);
 523
 524         void_gl_trans($type, $type_no, true);
 525
 526         void_supp_allocations($type, $type_no);
 527
 528         void_supp_trans($type, $type_no);
 529
 530         $result = get_supp_invoice_items($type, $type_no);
 531
 532         // now remove this invoice/credit from any GRNs/POs that it's related to
 533         if (db_num_rows($result) > 0)
 534         {
 535                 $date_ = Today();
 536         while ($details_row = db_fetch($result))
 537         {
 538                 if ((int)$details_row["grn_item_id"] > 0) // it can be empty for GL items
 539                 {
 540                         // Changed 2008-10-17 by Joe Hunt to get the avg. material cost updated
 541                                 $old = update_supp_received_items_for_invoice($details_row["grn_item_id"],
 542                                         $details_row["po_detail_item_id"], -$details_row["quantity"], $details_row["FullUnitPrice"]);
 543
 544                                 //$diff = $details_row["FullUnitPrice"] - $old[2];
 545                                 $old_date = sql2date($old[1]);
 546
 547                                 $batch = get_grn_batch_from_item($details_row["grn_item_id"]);
 548                                 $grn = get_grn_batch($batch);
 549                         if ($type == ST_SUPPCREDIT) // credit note 2009-06-14 Joe Hunt Must restore the po and grn
 550                         {       // We must get the corresponding invoice item to check for price chg.
 551                                         $match = get_matching_invoice_item($details_row["stock_id"], $details_row["po_detail_item_id"]);
 552                                         //Chaitanya : Skipped costing block & handle in void_stock_move
 553                                         // We must get the corresponding invoice item to check for price chg.
 554                                         /*if ($match !== false)
 555                                                 $mat_cost = update_average_material_cost($grn["supplier_id"], $details_row["stock_id"],
 556                                                         $match["unit_price"], -$details_row["quantity"], sql2date($match['tran_date']), $match['tran_date'] !== $trans['tran_date']);
 557                                         else
 558                                                 $mat_cost = update_average_material_cost($grn["supplier_id"], $details_row["stock_id"],
 559                                                         $details_row["FullUnitPrice"], -$details_row["quantity"], $old_date, $old[1] !== $trans['tran_date']);*/
 560
 561                                         $sql = "UPDATE ".TB_PREF."purch_order_details
 562                                         SET quantity_ordered = quantity_ordered + ".-$details_row["quantity"].", ";
 563                                 if ($match !== false)
 564                                         $sql .= "act_price=".$match['unit_price'].", ";
 565                                 $sql .= "quantity_received = quantity_received + ".-$details_row["quantity"]."
 566                                     WHERE po_detail_item = ".$details_row["po_detail_item_id"];
 567                                         db_query($sql, "a purchase order details record could not be updated. This receipt of goods has not been processed ");
 568                                         $sql = "UPDATE ".TB_PREF."grn_items SET qty_recd=qty_recd+".-$details_row["quantity"]."
 569                                                 WHERE id=".$details_row["grn_item_id"];
 570                                         db_query($sql);
 571                         }
 572                         else
 573                         {
 574                                         $diff = get_diff_in_home_currency($grn["supplier_id"], $old_date, sql2date($trans['tran_date']), $old[2],
 575                                                 $details_row["FullUnitPrice"]);
 576                                         // Only adjust the avg for the diff
 577                                         $mat_cost = update_average_material_cost(null, $details_row["stock_id"],
 578                                                 $diff, -$details_row["quantity"], $old_date, true);
 579
 580                                         //Chaitanya : Reverse effect
 581                                         //If QOH is 0 or negative then update_average_material_cost will be skipped
 582                                         //Thus difference in PO and Supp Invoice should be handled separately
 583
 584                                         $qoh = get_qoh_on_date($details_row["stock_id"]);
 585                                         if ($diff*$details_row["quantity"] !=0 && $qoh <= 0)
 586                                         {
 587                                                 global $Refs;
 588
 589                                                 //Chaitanya : Post a journal entry
 590                                                 $id = get_next_trans_no(ST_JOURNAL);
 591                                                 $ref = $Refs->get_next(ST_JOURNAL, null, $date_);
 592                                                 add_journal(ST_JOURNAL, $id, $details_row["quantity"] * $diff, $old_date, get_company_currency(), $ref);
 593                                                 $stock_id = $details_row["stock_id"];
 594                                                 $stock_gl_code = get_stock_gl_code($stock_id);
 595                                                 $memo = "Reversing Supplier invoice adjustment for zero inventory of ".$stock_id." Invoice: ".$trans['reference'];
 596                                                 //Reverse the inventory effect if $qoh <=0
 597                                                 add_gl_trans_std_cost(ST_JOURNAL, $id, $old_date,
 598                                                         $stock_gl_code["inventory_account"],
 599                                                         $dim, $dim2, $memo, $details_row["quantity"] * $diff);
 600                                                 //GL Posting to inventory adjustment account
 601                                                 add_gl_trans_std_cost(ST_JOURNAL, $id, $old_date,
 602                                                         $stock_gl_code["adjustment_account"],
 603                                                         $dim, $dim2, $memo, -$details_row["quantity"] * $diff);
 604
 605                                                 add_audit_trail(ST_JOURNAL, $id, $old_date);
 606                                                 add_comments(ST_JOURNAL, $id, $old_date, $memo);
 607                                                 $Refs->save(ST_JOURNAL, $id, $ref);
 608                                         }
 609                                 }
 610                 }
 611         }
 612         }
 613
 614         if ($type == ST_SUPPCREDIT) // void the credits in stock moves
 615                 void_stock_move($type, $type_no);
 616         void_supp_invoice_items($type, $type_no);
 617         void_trans_tax_details($type, $type_no);
 618
 619         commit_transaction();
 620 }
 621
 622 //----------------------------------------------------------------------------------------
 623 function get_gl_account_info($acc)
 624 {
 625         $sql = "SELECT account_code, account_name FROM ".TB_PREF."chart_master WHERE account_code=".db_escape($acc);
 626         return db_query($sql,"get account information");
 627 }
 628
 629 function is_reference_already_there($supplier_id, $supp_reference, $trans_no=0)
 630 {
 631         $sql = "SELECT COUNT(*) FROM ".TB_PREF."supp_trans WHERE supplier_id="
 632                 .db_escape($supplier_id) . " AND supp_reference="
 633                 .db_escape($supp_reference)
 634                 . " AND ov_amount!=0"; // ignore voided invoice references
 635         if ($trans_no)
 636                 $sql .= " AND trans_no!=$trans_no";
 637         $result=db_query($sql,"The sql to check for the previous entry of the same invoice failed");
 638
 639         $myrow = db_fetch_row($result);
 640         return $myrow[0] > 0;
 641 }
 642
 643 function find_src_invoices($cart)
 644 {
 645         $invoices = $po_ids = array();
 646         foreach($cart->grn_items as $item)
 647                 $po_ids[] = "'$item->po_detail_item'";  // credit item lines
 648
 649         if (count($po_ids)) {
 650                 $sql = "SELECT DISTINCT trans.trans_no, trans.reference, trans.supp_reference
 651                         FROM ".TB_PREF."supp_invoice_items items
 652                         LEFT JOIN ".TB_PREF."supp_trans trans ON trans.trans_no=items.supp_trans_no AND trans.`type`=items.supp_trans_type
 653                         WHERE items.po_detail_item_id IN (" . implode(',', $po_ids). ")"." AND items.supp_trans_type=20";
 654                 $result = db_query($sql, "cannot find source invoice details");
 655                 while ($rec = db_fetch($result))
 656                 {
 657                         $invoices[$rec['trans_no']] = $rec['supp_reference']; // array($rec['reference'], $rec['supp_reference']);
 658                 }
 659         }
 660         return $invoices;
 661 }