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