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