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         $sql = "SELECT material_cost FROM ".TB_PREF."stock_master WHERE stock_id='$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='$stock_id'";
  48         db_query($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 + $quantity_received,
 129         std_cost_unit=$standard_unit_cost,
 130         act_price=$price
 131         WHERE po_detail_item = $po_detail_item";
 132
 133         db_query($sql, "a purchase order details record could not be updated. This receipt of goods has not been processed ");
 134
 135         $sql = "INSERT INTO ".TB_PREF."grn_items (grn_batch_id, po_detail_item, item_code, description, qty_recd)
 136                 VALUES ($grn_batch_id, $po_detail_item, ".db_escape($item_code).", ".db_escape($description).", $quantity_received)";
 137
 138         db_query($sql, "A GRN detail item could not be inserted.");
 139
 140         return db_insert_id();
 141 }
 142
 143 //----------------------------------------------------------------------------------------
 144 function get_grn_batch_from_item($item)
 145 {
 146         $sql = "SELECT grn_batch_id FROM ".TB_PREF."grn_items WHERE id=$item";
 147         $result = db_query($sql, "Could not retreive GRN batch id");
 148         $row = db_fetch_row($result);
 149         return $row[0];
 150 }
 151
 152 function get_grn_batch($grn)
 153 {
 154         $sql = "SELECT * FROM ".TB_PREF."grn_batch WHERE id=$grn";
 155         $result = db_query($sql, "Could not retreive GRN batch id");
 156         return db_fetch($result);
 157 }
 158
 159 function set_grn_item_credited(&$entered_grn, $supplier, $transno, $date)
 160 {
 161         $mcost = update_average_material_cost($supplier, $entered_grn->item_code,
 162                 $entered_grn->chg_price, $entered_grn->this_quantity_inv, $date);
 163
 164         $sql = "SELECT ".TB_PREF."grn_batch.*, ".TB_PREF."grn_items.*
 165         FROM ".TB_PREF."grn_batch, ".TB_PREF."grn_items
 166         WHERE ".TB_PREF."grn_items.grn_batch_id=".TB_PREF."grn_batch.id
 167                 AND ".TB_PREF."grn_items.id=$entered_grn->id
 168         AND ".TB_PREF."grn_items.item_code='$entered_grn->item_code' ";
 169         $result = db_query($sql, "Could not retreive GRNS");
 170         $myrow = db_fetch($result);
 171
 172         $sql = "UPDATE ".TB_PREF."purch_order_details
 173         SET quantity_received = quantity_received + $entered_grn->this_quantity_inv,
 174         quantity_ordered = quantity_ordered + $entered_grn->this_quantity_inv,
 175         qty_invoiced = qty_invoiced + $entered_grn->this_quantity_inv,
 176         std_cost_unit=$mcost,
 177         act_price=$entered_grn->chg_price
 178         WHERE po_detail_item = ".$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         $sql = "UPDATE ".TB_PREF."grn_items SET qty_recd=qty_recd+$entered_grn->this_quantity_inv,
 183                 quantity_inv=quantity_inv+$entered_grn->this_quantity_inv WHERE id=$entered_grn->id";
 184         db_query($sql);
 185
 186     add_stock_move(ST_SUPPCREDIT, $entered_grn->item_code, $transno, $myrow['loc_code'], $date, "",
 187         $entered_grn->this_quantity_inv, $mcost, $supplier, 1, $entered_grn->chg_price);
 188 }
 189
 190 function get_grn_items($grn_batch_id=0, $supplier_id="", $outstanding_only=false,
 191         $is_invoiced_only=false, $invoice_no=0, $begin="", $end="")
 192 {
 193     $sql = "SELECT ".TB_PREF."grn_batch.*, ".TB_PREF."grn_items.*, ".TB_PREF."purch_order_details.unit_price,
 194                 ".TB_PREF."purch_order_details.std_cost_unit, units
 195         FROM ".TB_PREF."grn_batch, ".TB_PREF."grn_items, ".TB_PREF."purch_order_details, ".TB_PREF."stock_master";
 196     if ($invoice_no != 0)
 197         $sql .= ", ".TB_PREF."supp_invoice_items";
 198     $sql .= " WHERE ".TB_PREF."grn_items.grn_batch_id=".TB_PREF."grn_batch.id
 199                 AND ".TB_PREF."grn_items.po_detail_item=".TB_PREF."purch_order_details.po_detail_item";
 200         if ($invoice_no != 0)
 201                 $sql .= " AND ".TB_PREF."supp_invoice_items.supp_trans_type=".ST_SUPPINVOICE." AND
 202                         ".TB_PREF."supp_invoice_items.supp_trans_no=$invoice_no AND
 203                         ".TB_PREF."grn_items.id=".TB_PREF."supp_invoice_items.grn_item_id";
 204         $sql .= " AND ".TB_PREF."stock_master.stock_id=".TB_PREF."grn_items.item_code ";
 205
 206         if ($begin != "")
 207                 $sql .= " AND ".TB_PREF."grn_batch.delivery_date>='".date2sql($begin)."'";
 208         if ($end != "")
 209                 $sql .= " AND ".TB_PREF."grn_batch.delivery_date<='".date2sql($end)."'";
 210         if ($grn_batch_id != 0)
 211                 $sql .= " AND ".TB_PREF."grn_batch.id=$grn_batch_id AND ".TB_PREF."grn_items.grn_batch_id=$grn_batch_id ";
 212
 213         if ($is_invoiced_only)
 214                 $sql .= " AND ".TB_PREF."grn_items.quantity_inv > 0";
 215
 216         if ($outstanding_only)
 217         $sql .= " AND ".TB_PREF."grn_items.qty_recd - ".TB_PREF."grn_items.quantity_inv > 0";
 218
 219         if ($supplier_id != "")
 220                 $sql .= " AND ".TB_PREF."grn_batch.supplier_id ='$supplier_id' ";
 221
 222         $sql .= " ORDER BY ".TB_PREF."grn_batch.delivery_date, ".TB_PREF."grn_batch.id, ".TB_PREF."grn_items.id";
 223
 224         return db_query($sql, "Could not retreive GRNS");
 225 }
 226
 227 //----------------------------------------------------------------------------------------
 228
 229 // get the details for a given grn item
 230
 231 function get_grn_item_detail($grn_item_no)
 232 {
 233         $sql = "SELECT ".TB_PREF."grn_items.*, ".TB_PREF."purch_order_details.unit_price,
 234         ".TB_PREF."grn_items.qty_recd - ".TB_PREF."grn_items.quantity_inv AS QtyOstdg,
 235         ".TB_PREF."purch_order_details.std_cost_unit
 236                 FROM ".TB_PREF."grn_items, ".TB_PREF."purch_order_details, ".TB_PREF."stock_master
 237                 WHERE ".TB_PREF."grn_items.po_detail_item=".TB_PREF."purch_order_details.po_detail_item
 238                         AND ".TB_PREF."stock_master.stock_id=".TB_PREF."grn_items.item_code
 239                         AND ".TB_PREF."grn_items.id=$grn_item_no";
 240
 241         $result = db_query($sql, "could not retreive grn item details");
 242         return db_fetch($result);
 243 }
 244
 245 //----------------------------------------------------------------------------------------
 246
 247 function read_grn_items_to_order($grn_batch, &$order)
 248 {
 249         $result = get_grn_items($grn_batch);
 250
 251         if (db_num_rows($result) > 0)
 252         {
 253
 254                 while ($myrow = db_fetch($result))
 255                 {
 256
 257                         if (is_null($myrow["units"]))
 258                         {
 259                                 $units = "";
 260                         }
 261                         else
 262                         {
 263                                 $units = $myrow["units"];
 264                         }
 265
 266                         $order->add_to_order($order->lines_on_order+1, $myrow["item_code"],
 267                                 1,$myrow["description"], $myrow["unit_price"],$units,
 268                                 sql2date($myrow["delivery_date"]), $myrow["quantity_inv"],
 269                                 $myrow["qty_recd"]);
 270
 271                         $order->line_items[$order->lines_on_order]->po_detail_rec = $myrow["po_detail_item"];
 272                 } /* line po from purchase order details */
 273         } //end of checks on returned data set
 274 }
 275
 276 //----------------------------------------------------------------------------------------
 277
 278 // read a grn into an order class
 279
 280 function read_grn($grn_batch, &$order)
 281 {
 282         $sql= "SELECT * FROM ".TB_PREF."grn_batch WHERE id=$grn_batch";
 283
 284         $result = db_query($sql, "The grn sent is not valid");
 285
 286         $row = db_fetch($result);
 287         $po_number = $row["purch_order_no"];
 288
 289         $result = read_po_header($po_number, $order);
 290
 291         if ($result)
 292         {
 293
 294                 $order->orig_order_date = sql2date($row["delivery_date"]);
 295                 $order->location = $row["loc_code"];
 296                 $order->reference = $row["reference"];
 297
 298                 read_grn_items_to_order($grn_batch, $order);
 299         }
 300 }
 301
 302 //----------------------------------------------------------------------------------------------------------
 303
 304 // get the GRNs (batch info not details) for a given po number
 305
 306 function get_po_grns($po_number)
 307 {
 308     $sql = "SELECT * FROM ".TB_PREF."grn_batch WHERE purch_order_no=$po_number";
 309
 310         return db_query($sql, "The grns for the po $po_number could not be retreived");
 311 }
 312
 313 //----------------------------------------------------------------------------------------------------------
 314
 315 function exists_grn($grn_batch)
 316 {
 317         $sql = "SELECT id FROM ".TB_PREF."grn_batch WHERE id=$grn_batch";
 318         $result = db_query($sql, "Cannot retreive a grn");
 319
 320     return (db_num_rows($result) > 0);
 321 }
 322
 323 //----------------------------------------------------------------------------------------------------------
 324
 325 function exists_grn_on_invoices($grn_batch)
 326 {
 327         $sql = "SELECT ".TB_PREF."supp_invoice_items.id FROM ".TB_PREF."supp_invoice_items,".TB_PREF."grn_items
 328                 WHERE ".TB_PREF."supp_invoice_items.grn_item_id=".TB_PREF."grn_items.id
 329                 AND quantity != 0
 330                 AND grn_batch_id=$grn_batch";
 331         $result = db_query($sql, "Cannot query GRNs");
 332
 333     return (db_num_rows($result) > 0);
 334 }
 335
 336 //----------------------------------------------------------------------------------------------------------
 337
 338 function void_grn($grn_batch)
 339 {
 340         // if this grn is references on any invoices/credit notes, then it
 341         // can't be voided
 342         if (exists_grn_on_invoices($grn_batch))
 343                 return false;
 344
 345         begin_transaction();
 346
 347         void_bank_trans(ST_SUPPRECEIVE, $grn_batch, true);
 348         void_gl_trans(ST_SUPPRECEIVE, $grn_batch, true);
 349
 350         // clear the quantities of the grn items in the POs and invoices
 351         $result = get_grn_items($grn_batch);
 352
 353     if (db_num_rows($result) > 0)
 354     {
 355
 356         while ($myrow = db_fetch($result))
 357         {
 358
 359                 $sql = "UPDATE ".TB_PREF."purch_order_details
 360                 SET quantity_received = quantity_received - " . $myrow["qty_recd"] . "
 361                 WHERE po_detail_item = " . $myrow["po_detail_item"];
 362
 363                 db_query($sql, "a purchase order details record could not be voided.");
 364         }
 365     }
 366
 367         // clear the quantities in the grn items
 368         $sql = "UPDATE ".TB_PREF."grn_items SET qty_recd=0, quantity_inv=0
 369                 WHERE grn_batch_id=$grn_batch";
 370
 371         db_query($sql, "A grn detail item could not be voided.");
 372
 373     // clear the stock move items
 374     void_stock_move(ST_SUPPRECEIVE, $grn_batch);
 375
 376         commit_transaction();
 377
 378         return true;
 379 }
 380
 381 //----------------------------------------------------------------------------------------------------------
 382
 383 ?>