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