purchasing/includes/db/grn_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 //------------------- update average material cost ------------------------------------------ Joe Hunt Mar-03-2008
  13
  14 function update_average_material_cost($supplier, $stock_id, $price, $qty, $date, $adj_only=false)
  15 {
  16         if ($supplier != null)
  17                 $currency = get_supplier_currency($supplier);
  18         else
  19                 $currency = null;
  20         $dec = user_price_dec();
  21         price_decimal_format($price, $dec);
  22         $price = round2($price, $dec);
  23         if ($currency != null)
  24         {
  25                 $ex_rate = get_exchange_rate_to_home_currency($currency, $date);
  26                 $price_in_home_currency = $price / $ex_rate;
  27         }
  28         else
  29                 $price_in_home_currency = $price;
  30         $sql = "SELECT material_cost FROM ".TB_PREF."stock_master WHERE stock_id=".db_escape($stock_id);
  31         $result = db_query($sql);
  32         $myrow = db_fetch($result);
  33         $material_cost = $myrow['material_cost'];
  34         if ($price > -0.0001 && $price < 0.0001)
  35                 return $material_cost;
  36         if ($adj_only)
  37                 $exclude = ST_CUSTDELIVERY;
  38         else
  39                 $exclude = 0;
  40         $cost_adjust = false;
  41         //$qoh = get_qoh_on_date($stock_id, null, $date, $exclude);
  42         $qoh = get_qoh_on_date($stock_id);
  43
  44         if ($adj_only)
  45         {
  46                 if ($qoh > 0)
  47                         $material_cost = ($qoh * $material_cost + $qty * $price_in_home_currency) /     $qoh;
  48         }
  49         else
  50         {
  51                 if ($qoh < 0)
  52                 {
  53                         if ($qoh + $qty > 0)
  54                                 $cost_adjust = true;
  55                         $qoh = 0;
  56                 }
  57                 if ($qoh + $qty != 0)
  58                         $material_cost = ($qoh * $material_cost + $qty * $price_in_home_currency) /     ($qoh + $qty);
  59         }
  60         //$material_cost = round2($material_cost, $dec);
  61
  62         if ($cost_adjust) // new 2010-02-10
  63                 adjust_deliveries($stock_id, $material_cost, $date);
  64         $sql = "UPDATE ".TB_PREF."stock_master SET material_cost=".db_escape($material_cost)."
  65                 WHERE stock_id=".db_escape($stock_id);
  66         db_query($sql,"The cost details for the inventory item could not be updated");
  67         return $material_cost;
  68 }
  69
  70 //-------------------------------------------------------------------------------------------------------------
  71
  72 function add_grn(&$po)
  73 {
  74         global $Refs;
  75
  76         $date_ = $po->orig_order_date;
  77
  78         begin_transaction();
  79
  80         $grn = add_grn_batch($po->order_no, $po->supplier_id, $po->reference, $po->Location, $date_);
  81
  82         foreach ($po->line_items as $line_no => $order_line)
  83         {
  84
  85                 if ($order_line->receive_qty != 0 && $order_line->receive_qty != "" && isset($order_line->receive_qty))
  86                 {
  87
  88                         /*Update sales_order_details for the new quantity received and the standard cost used for postings to GL and recorded in the stock movements for FIFO/LIFO stocks valuations*/
  89                         //------------------- update average material cost ------------------------------------------ Joe Hunt Mar-03-2008
  90                         update_average_material_cost($po->supplier_id, $order_line->stock_id, $order_line->price,
  91                                 $order_line->receive_qty, $date_);
  92                         //----------------------------------------------------------------------------------------------------------------
  93                         if ($order_line->qty_received == 0)
  94                         {
  95                                 /*This must be the first receipt of goods against this line */
  96                                 /*Need to get the standard cost as it is now so we can process GL jorunals later*/
  97                                 $order_line->standard_cost = get_standard_cost($order_line->stock_id);
  98                         }
  99                         // added 2008-12-08 Joe Hunt. Update the purchase data table
 100                         add_or_update_purchase_data($po->supplier_id, $order_line->stock_id, $order_line->price,
 101                                 $order_line->item_description);
 102
 103                         /*Need to insert a grn item */
 104
 105                         $grn_item = add_grn_detail_item($grn, $order_line->po_detail_rec,
 106                                 $order_line->stock_id, $order_line->item_description,
 107                                 $order_line->standard_cost,     $order_line->receive_qty, $order_line->price);
 108
 109                         $po->line_items[$line_no]->grn_item_id = $grn_item;
 110                         /* Update location stock records - NB  a po cannot be entered for a service/kit parts */
 111             add_stock_move(ST_SUPPRECEIVE, $order_line->stock_id, $grn, $po->Location, $date_, "",
 112                 $order_line->receive_qty, $order_line->standard_cost,
 113                 $po->supplier_id, 1, $order_line->price);
 114
 115                 } /*quantity received is != 0 */
 116         } /*end of order_line loop */
 117
 118         $Refs->save(ST_SUPPRECEIVE, $grn, $po->reference);
 119
 120         add_audit_trail(ST_SUPPRECEIVE, $grn, $date_);
 121
 122         commit_transaction();
 123
 124         return $grn;
 125 }
 126
 127 //----------------------------------------------------------------------------------------
 128
 129 function add_grn_batch($po_number, $supplier_id, $reference, $location, $date_)
 130 {
 131         $date = date2sql($date_);
 132
 133         $sql = "INSERT INTO ".TB_PREF."grn_batch (purch_order_no, delivery_date, supplier_id, reference, loc_code)
 134                         VALUES (".db_escape($po_number).", ".db_escape($date).", "
 135                         .db_escape($supplier_id).", ".db_escape($reference).", ".db_escape($location).")";
 136
 137         db_query($sql, "A grn batch record could not be inserted.");
 138
 139         return db_insert_id();
 140 }
 141
 142 //-------------------------------------------------------------------------------------------------------------
 143
 144 function add_grn_detail_item($grn_batch_id, $po_detail_item, $item_code, $description, $standard_unit_cost,
 145         $quantity_received, $price)
 146 {
 147         $sql = "UPDATE ".TB_PREF."purch_order_details
 148         SET quantity_received = quantity_received + ".db_escape($quantity_received).",
 149         std_cost_unit=".db_escape($standard_unit_cost).",
 150         act_price=".db_escape($price)."
 151         WHERE po_detail_item = ".db_escape($po_detail_item);
 152
 153         db_query($sql, "a purchase order details record could not be updated. This receipt of goods has not been processed ");
 154
 155         $sql = "INSERT INTO ".TB_PREF."grn_items (grn_batch_id, po_detail_item, item_code, description, qty_recd)
 156                 VALUES (".db_escape($grn_batch_id).", "
 157                 .db_escape($po_detail_item).", ".db_escape($item_code).", ".db_escape($description)
 158                 .", ".db_escape($quantity_received).")";
 159
 160         db_query($sql, "A GRN detail item could not be inserted.");
 161
 162         return db_insert_id();
 163 }
 164
 165 //----------------------------------------------------------------------------------------
 166 function get_grn_batch_from_item($item)
 167 {
 168         $sql = "SELECT grn_batch_id FROM ".TB_PREF."grn_items WHERE id=".db_escape($item);
 169         $result = db_query($sql, "Could not retreive GRN batch id");
 170         $row = db_fetch_row($result);
 171         return $row[0];
 172 }
 173
 174 function get_grn_batch($grn)
 175 {
 176         $sql = "SELECT * FROM ".TB_PREF."grn_batch WHERE id=".db_escape($grn);
 177         $result = db_query($sql, "Could not retreive GRN batch id");
 178         return db_fetch($result);
 179 }
 180
 181 function set_grn_item_credited(&$entered_grn, $supplier, $transno, $date)
 182 {
 183         $mcost = update_average_material_cost($supplier, $entered_grn->item_code,
 184                 $entered_grn->chg_price, $entered_grn->this_quantity_inv, $date);
 185
 186         $sql = "SELECT ".TB_PREF."grn_batch.*, ".TB_PREF."grn_items.*
 187         FROM ".TB_PREF."grn_batch, ".TB_PREF."grn_items
 188         WHERE ".TB_PREF."grn_items.grn_batch_id=".TB_PREF."grn_batch.id
 189                 AND ".TB_PREF."grn_items.id=".db_escape($entered_grn->id)."
 190         AND ".TB_PREF."grn_items.item_code=".db_escape($entered_grn->item_code);
 191         $result = db_query($sql, "Could not retreive GRNS");
 192         $myrow = db_fetch($result);
 193
 194         $sql = "UPDATE ".TB_PREF."purch_order_details
 195         SET quantity_received = quantity_received + "
 196                 .db_escape($entered_grn->this_quantity_inv).",
 197         quantity_ordered = quantity_ordered + "
 198         .db_escape($entered_grn->this_quantity_inv).",
 199         qty_invoiced = qty_invoiced + ".db_escape($entered_grn->this_quantity_inv).",
 200         std_cost_unit=".db_escape($mcost).",
 201         act_price=".db_escape($entered_grn->chg_price)."
 202         WHERE po_detail_item = ".$myrow["po_detail_item"];
 203         db_query($sql, "a purchase order details record could not be updated. This receipt of goods has not been processed ");
 204
 205         //$sql = "UPDATE ".TB_PREF."grn_items SET qty_recd=0, quantity_inv=0 WHERE id=$entered_grn->id";
 206         $sql = "UPDATE ".TB_PREF."grn_items SET qty_recd=qty_recd+".db_escape($entered_grn->this_quantity_inv)
 207         .",quantity_inv=quantity_inv+".db_escape($entered_grn->this_quantity_inv)
 208         ." WHERE id=".db_escape($entered_grn->id);
 209         db_query($sql);
 210
 211     add_stock_move(ST_SUPPCREDIT, $entered_grn->item_code, $transno, $myrow['loc_code'], $date, "",
 212         $entered_grn->this_quantity_inv, $mcost, $supplier, 1, $entered_grn->chg_price);
 213 }
 214
 215 function get_grn_items($grn_batch_id=0, $supplier_id="", $outstanding_only=false,
 216         $is_invoiced_only=false, $invoice_no=0, $begin="", $end="")
 217 {
 218     $sql = "SELECT ".TB_PREF."grn_batch.*, ".TB_PREF."grn_items.*, "
 219         .TB_PREF."purch_order_details.unit_price,
 220                 ".TB_PREF."purch_order_details.std_cost_unit, units
 221         FROM ".TB_PREF."grn_batch, ".TB_PREF."grn_items, "
 222         .TB_PREF."purch_order_details, ".TB_PREF."stock_master";
 223     if ($invoice_no != 0)
 224         $sql .= ", ".TB_PREF."supp_invoice_items";
 225     $sql .= " WHERE ".TB_PREF."grn_items.grn_batch_id=".TB_PREF."grn_batch.id
 226                 AND ".TB_PREF."grn_items.po_detail_item=".TB_PREF."purch_order_details.po_detail_item";
 227         if ($invoice_no != 0)
 228                 $sql .= " AND ".TB_PREF."supp_invoice_items.supp_trans_type=".ST_SUPPINVOICE." AND
 229                         ".TB_PREF."supp_invoice_items.supp_trans_no=$invoice_no AND
 230                         ".TB_PREF."grn_items.id=".TB_PREF."supp_invoice_items.grn_item_id";
 231         $sql .= " AND ".TB_PREF."stock_master.stock_id=".TB_PREF."grn_items.item_code ";
 232
 233         if ($begin != "")
 234                 $sql .= " AND ".TB_PREF."grn_batch.delivery_date>='".date2sql($begin)."'";
 235         if ($end != "")
 236                 $sql .= " AND ".TB_PREF."grn_batch.delivery_date<='".date2sql($end)."'";
 237         if ($grn_batch_id != 0)
 238                 $sql .= " AND ".TB_PREF."grn_batch.id=".db_escape($grn_batch_id)
 239                         ." AND ".TB_PREF."grn_items.grn_batch_id=".db_escape($grn_batch_id);
 240
 241         if ($is_invoiced_only)
 242                 $sql .= " AND ".TB_PREF."grn_items.quantity_inv > 0";
 243
 244         if ($outstanding_only)
 245         $sql .= " AND ".TB_PREF."grn_items.qty_recd - ".TB_PREF."grn_items.quantity_inv > 0";
 246
 247         if ($supplier_id != "")
 248                 $sql .= " AND ".TB_PREF."grn_batch.supplier_id =".db_escape($supplier_id);
 249
 250         $sql .= " ORDER BY ".TB_PREF."grn_batch.delivery_date, ".TB_PREF."grn_batch.id, ".TB_PREF."grn_items.id";
 251
 252         return db_query($sql, "Could not retreive GRNS");
 253 }
 254
 255 //----------------------------------------------------------------------------------------
 256
 257 // get the details for a given grn item
 258
 259 function get_grn_item_detail($grn_item_no)
 260 {
 261         $sql = "SELECT ".TB_PREF."grn_items.*, ".TB_PREF."purch_order_details.unit_price,
 262         ".TB_PREF."grn_items.qty_recd - ".TB_PREF."grn_items.quantity_inv AS QtyOstdg,
 263         ".TB_PREF."purch_order_details.std_cost_unit
 264                 FROM ".TB_PREF."grn_items, ".TB_PREF."purch_order_details, ".TB_PREF."stock_master
 265                 WHERE ".TB_PREF."grn_items.po_detail_item=".TB_PREF."purch_order_details.po_detail_item
 266                         AND ".TB_PREF."stock_master.stock_id=".TB_PREF."grn_items.item_code
 267                         AND ".TB_PREF."grn_items.id=".db_escape($grn_item_no);
 268
 269         $result = db_query($sql, "could not retreive grn item details");
 270         return db_fetch($result);
 271 }
 272
 273 //----------------------------------------------------------------------------------------
 274
 275 function read_grn_items_to_order($grn_batch, &$order)
 276 {
 277         $result = get_grn_items($grn_batch);
 278
 279         if (db_num_rows($result) > 0)
 280         {
 281
 282                 while ($myrow = db_fetch($result))
 283                 {
 284
 285                         if (is_null($myrow["units"]))
 286                         {
 287                                 $units = "";
 288                         }
 289                         else
 290                         {
 291                                 $units = $myrow["units"];
 292                         }
 293
 294                         $order->add_to_order($order->lines_on_order, $myrow["item_code"],
 295                                 1,$myrow["description"], $myrow["unit_price"],$units,
 296                                 sql2date($myrow["delivery_date"]), $myrow["quantity_inv"],
 297                                 $myrow["qty_recd"]);
 298
 299                         $order->line_items[$order->lines_on_order-1]->po_detail_rec = $myrow["po_detail_item"];
 300                 } /* line po from purchase order details */
 301         } //end of checks on returned data set
 302 }
 303
 304 //----------------------------------------------------------------------------------------
 305
 306 // read a grn into an order class
 307
 308 function read_grn($grn_batch, &$order)
 309 {
 310         $sql= "SELECT * FROM ".TB_PREF."grn_batch WHERE id=".db_escape($grn_batch);
 311
 312         $result = db_query($sql, "The grn sent is not valid");
 313
 314         $row = db_fetch($result);
 315         $po_number = $row["purch_order_no"];
 316
 317         $result = read_po_header($po_number, $order);
 318
 319         if ($result)
 320         {
 321
 322                 $order->orig_order_date = sql2date($row["delivery_date"]);
 323                 $order->location = $row["loc_code"];
 324                 $order->reference = $row["reference"];
 325
 326                 read_grn_items_to_order($grn_batch, $order);
 327         }
 328 }
 329
 330 //----------------------------------------------------------------------------------------------------------
 331
 332 // get the GRNs (batch info not details) for a given po number
 333
 334 function get_po_grns($po_number)
 335 {
 336     $sql = "SELECT * FROM ".TB_PREF."grn_batch WHERE purch_order_no=".db_escape($po_number);
 337
 338         return db_query($sql, "The grns for the po $po_number could not be retreived");
 339 }
 340
 341 //----------------------------------------------------------------------------------------------------------
 342
 343 function exists_grn($grn_batch)
 344 {
 345         $sql = "SELECT id FROM ".TB_PREF."grn_batch WHERE id=".db_escape($grn_batch);
 346         $result = db_query($sql, "Cannot retreive a grn");
 347
 348     return (db_num_rows($result) > 0);
 349 }
 350
 351 //----------------------------------------------------------------------------------------------------------
 352
 353 function exists_grn_on_invoices($grn_batch)
 354 {
 355         $sql = "SELECT ".TB_PREF."supp_invoice_items.id FROM ".TB_PREF."supp_invoice_items,".TB_PREF."grn_items
 356                 WHERE ".TB_PREF."supp_invoice_items.grn_item_id=".TB_PREF."grn_items.id
 357                 AND quantity != 0
 358                 AND grn_batch_id=".db_escape($grn_batch);
 359         $result = db_query($sql, "Cannot query GRNs");
 360
 361     return (db_num_rows($result) > 0);
 362 }
 363
 364 //----------------------------------------------------------------------------------------------------------
 365
 366 function void_grn($grn_batch)
 367 {
 368         // if this grn is references on any invoices/credit notes, then it
 369         // can't be voided
 370         if (exists_grn_on_invoices($grn_batch))
 371                 return false;
 372
 373         begin_transaction();
 374
 375         void_bank_trans(ST_SUPPRECEIVE, $grn_batch, true);
 376         void_gl_trans(ST_SUPPRECEIVE, $grn_batch, true);
 377
 378         // clear the quantities of the grn items in the POs and invoices
 379         $result = get_grn_items($grn_batch);
 380
 381     if (db_num_rows($result) > 0)
 382     {
 383
 384         while ($myrow = db_fetch($result))
 385         {
 386
 387                 $sql = "UPDATE ".TB_PREF."purch_order_details
 388                 SET quantity_received = quantity_received - " . $myrow["qty_recd"] . "
 389                 WHERE po_detail_item = " . $myrow["po_detail_item"];
 390
 391                 db_query($sql, "a purchase order details record could not be voided.");
 392         }
 393     }
 394
 395         // clear the quantities in the grn items
 396         $sql = "UPDATE ".TB_PREF."grn_items SET qty_recd=0, quantity_inv=0
 397                 WHERE grn_batch_id=".db_escape($grn_batch);
 398
 399         db_query($sql, "A grn detail item could not be voided.");
 400
 401     // clear the stock move items
 402     void_stock_move(ST_SUPPRECEIVE, $grn_batch);
 403
 404         commit_transaction();
 405
 406         return true;
 407 }
 408
 409 //----------------------------------------------------------------------------------------------------------
 410
 411 ?>