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