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 / $ex_rate;
  27                 //$price_in_home_currency = to_home_currency($price, $currency, $date);
  28         }
  29         else
  30                 $price_in_home_currency = $price;
  31         $sql = "SELECT material_cost FROM ".TB_PREF."stock_master WHERE stock_id=".db_escape($stock_id);
  32         $result = db_query($sql);
  33         $myrow = db_fetch($result);
  34         $material_cost = $myrow['material_cost'];
  35         if ($price > -0.0001 && $price < 0.0001)
  36                 return $material_cost;
  37         if ($adj_only)
  38                 $exclude = ST_CUSTDELIVERY;
  39         else
  40                 $exclude = 0;
  41         $qoh = get_qoh_on_date($stock_id, null, $date, $exclude);
  42         if ($adj_only)
  43         {
  44                 if ($qoh <= 0)
  45                         $material_cost = 0;
  46                 else
  47                         $material_cost = ($qoh * $material_cost + $qty * $price_in_home_currency) /     $qoh;
  48         }
  49         elseif ($qoh + $qty <= 0)
  50                 $material_cost = 0;
  51         else
  52         {
  53                 if ($qoh < 0)
  54                         $qoh = 0;
  55                 $material_cost = ($qoh * $material_cost + $qty * $price_in_home_currency) /     ($qoh + $qty);
  56         }
  57         $material_cost = round2($material_cost, $dec);
  58
  59         $sql = "UPDATE ".TB_PREF."stock_master SET material_cost=".db_escape($material_cost)."
  60                 WHERE stock_id=".db_escape($stock_id);
  61         db_query($sql,"The cost details for the inventory item could not be updated");
  62         return $material_cost;
  63 }
  64
  65 //-------------------------------------------------------------------------------------------------------------
  66
  67 function add_grn(&$po, $date_, $reference, $location)
  68 {
  69         global $Refs;
  70
  71         begin_transaction();
  72
  73         $grn = add_grn_batch($po->order_no, $po->supplier_id, $reference, $location, $date_);
  74
  75         foreach ($po->line_items as $order_line)
  76         {
  77
  78                 if ($order_line->receive_qty != 0 && $order_line->receive_qty != "" && isset($order_line->receive_qty))
  79                 {
  80
  81                         /*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*/
  82                         //------------------- update average material cost ------------------------------------------ Joe Hunt Mar-03-2008
  83                         update_average_material_cost($po->supplier_id, $order_line->stock_id, $order_line->price,
  84                                 $order_line->receive_qty, $date_);
  85                         //----------------------------------------------------------------------------------------------------------------
  86                         if ($order_line->qty_received == 0)
  87                         {
  88                                 /*This must be the first receipt of goods against this line */
  89                                 /*Need to get the standard cost as it is now so we can process GL jorunals later*/
  90                                 $order_line->standard_cost = get_standard_cost($order_line->stock_id);
  91                         }
  92                         // added 2008-12-08 Joe Hunt. Update the purchase data table
  93                         add_or_update_purchase_data($po->supplier_id, $order_line->stock_id, $order_line->price,
  94                                 $order_line->item_description);
  95
  96                         /*Need to insert a grn item */
  97
  98                         $grn_item = add_grn_detail_item($grn, $order_line->po_detail_rec,
  99                                 $order_line->stock_id, $order_line->item_description,
 100                                 $order_line->standard_cost,     $order_line->receive_qty, $order_line->price);
 101
 102                         /* Update location stock records - NB  a po cannot be entered for a service/kit parts */
 103             add_stock_move(ST_SUPPRECEIVE, $order_line->stock_id, $grn, $location, $date_, "",
 104                 $order_line->receive_qty, $order_line->standard_cost,
 105                 $po->supplier_id, 1, $order_line->price);
 106
 107                 } /*quantity received is != 0 */
 108         } /*end of order_line loop */
 109
 110         $Refs->save(ST_SUPPRECEIVE, $grn, $reference);
 111
 112         add_audit_trail(ST_SUPPRECEIVE, $grn, $date_);
 113
 114         commit_transaction();
 115
 116         return $grn;
 117 }
 118
 119 //----------------------------------------------------------------------------------------
 120
 121 function add_grn_batch($po_number, $supplier_id, $reference, $location, $date_)
 122 {
 123         $date = date2sql($date_);
 124
 125         $sql = "INSERT INTO ".TB_PREF."grn_batch (purch_order_no, delivery_date, supplier_id, reference, loc_code)
 126                         VALUES (".db_escape($po_number).", ".db_escape($date).", "
 127                         .db_escape($supplier_id).", ".db_escape($reference).", ".db_escape($location).")";
 128
 129         db_query($sql, "A grn batch record could not be inserted.");
 130
 131         return db_insert_id();
 132 }
 133
 134 //-------------------------------------------------------------------------------------------------------------
 135
 136 function add_grn_detail_item($grn_batch_id, $po_detail_item, $item_code, $description, $standard_unit_cost,
 137         $quantity_received, $price)
 138 {
 139         $sql = "UPDATE ".TB_PREF."purch_order_details
 140         SET quantity_received = quantity_received + ".db_escape($quantity_received).",
 141         std_cost_unit=".db_escape($standard_unit_cost).",
 142         act_price=".db_escape($price)."
 143         WHERE po_detail_item = ".db_escape($po_detail_item);
 144
 145         db_query($sql, "a purchase order details record could not be updated. This receipt of goods has not been processed ");
 146
 147         $sql = "INSERT INTO ".TB_PREF."grn_items (grn_batch_id, po_detail_item, item_code, description, qty_recd)
 148                 VALUES (".db_escape($grn_batch_id).", "
 149                 .db_escape($po_detail_item).", ".db_escape($item_code).", ".db_escape($description)
 150                 .", ".db_escape($quantity_received).")";
 151
 152         db_query($sql, "A GRN detail item could not be inserted.");
 153
 154         return db_insert_id();
 155 }
 156
 157 //----------------------------------------------------------------------------------------
 158 function get_grn_batch_from_item($item)
 159 {
 160         $sql = "SELECT grn_batch_id FROM ".TB_PREF."grn_items WHERE id=".db_escape($item);
 161         $result = db_query($sql, "Could not retreive GRN batch id");
 162         $row = db_fetch_row($result);
 163         return $row[0];
 164 }
 165
 166 function get_grn_batch($grn)
 167 {
 168         $sql = "SELECT * FROM ".TB_PREF."grn_batch WHERE id=".db_escape($grn);
 169         $result = db_query($sql, "Could not retreive GRN batch id");
 170         return db_fetch($result);
 171 }
 172
 173 function set_grn_item_credited(&$entered_grn, $supplier, $transno, $date)
 174 {
 175         $mcost = update_average_material_cost($supplier, $entered_grn->item_code,
 176                 $entered_grn->chg_price, $entered_grn->this_quantity_inv, $date);
 177
 178         $sql = "SELECT ".TB_PREF."grn_batch.*, ".TB_PREF."grn_items.*
 179         FROM ".TB_PREF."grn_batch, ".TB_PREF."grn_items
 180         WHERE ".TB_PREF."grn_items.grn_batch_id=".TB_PREF."grn_batch.id
 181                 AND ".TB_PREF."grn_items.id=".db_escape($entered_grn->id)."
 182         AND ".TB_PREF."grn_items.item_code=".db_escape($entered_grn->item_code);
 183         $result = db_query($sql, "Could not retreive GRNS");
 184         $myrow = db_fetch($result);
 185
 186         $sql = "UPDATE ".TB_PREF."purch_order_details
 187         SET quantity_received = quantity_received + "
 188                 .db_escape($entered_grn->this_quantity_inv).",
 189         quantity_ordered = quantity_ordered + "
 190         .db_escape($entered_grn->this_quantity_inv).",
 191         qty_invoiced = qty_invoiced + ".db_escape($entered_grn->this_quantity_inv).",
 192         std_cost_unit=".db_escape($mcost).",
 193         act_price=".db_escape($entered_grn->chg_price)."
 194         WHERE po_detail_item = ".$myrow["po_detail_item"];
 195         db_query($sql, "a purchase order details record could not be updated. This receipt of goods has not been processed ");
 196
 197         //$sql = "UPDATE ".TB_PREF."grn_items SET qty_recd=0, quantity_inv=0 WHERE id=$entered_grn->id";
 198         $sql = "UPDATE ".TB_PREF."grn_items SET qty_recd=qty_recd+".db_escape($entered_grn->this_quantity_inv)
 199         .",quantity_inv=quantity_inv+".db_escape($entered_grn->this_quantity_inv)
 200         ." WHERE id=".db_escape($entered_grn->id);
 201         db_query($sql);
 202
 203     add_stock_move(ST_SUPPCREDIT, $entered_grn->item_code, $transno, $myrow['loc_code'], $date, "",
 204         $entered_grn->this_quantity_inv, $mcost, $supplier, 1, $entered_grn->chg_price);
 205 }
 206
 207 function get_grn_items($grn_batch_id=0, $supplier_id="", $outstanding_only=false,
 208         $is_invoiced_only=false, $invoice_no=0, $begin="", $end="")
 209 {
 210     $sql = "SELECT ".TB_PREF."grn_batch.*, ".TB_PREF."grn_items.*, "
 211         .TB_PREF."purch_order_details.unit_price,
 212                 ".TB_PREF."purch_order_details.std_cost_unit, units
 213         FROM ".TB_PREF."grn_batch, ".TB_PREF."grn_items, "
 214         .TB_PREF."purch_order_details, ".TB_PREF."stock_master";
 215     if ($invoice_no != 0)
 216         $sql .= ", ".TB_PREF."supp_invoice_items";
 217     $sql .= " WHERE ".TB_PREF."grn_items.grn_batch_id=".TB_PREF."grn_batch.id
 218                 AND ".TB_PREF."grn_items.po_detail_item=".TB_PREF."purch_order_details.po_detail_item";
 219         if ($invoice_no != 0)
 220                 $sql .= " AND ".TB_PREF."supp_invoice_items.supp_trans_type=".ST_SUPPINVOICE." AND
 221                         ".TB_PREF."supp_invoice_items.supp_trans_no=$invoice_no AND
 222                         ".TB_PREF."grn_items.id=".TB_PREF."supp_invoice_items.grn_item_id";
 223         $sql .= " AND ".TB_PREF."stock_master.stock_id=".TB_PREF."grn_items.item_code ";
 224
 225         if ($begin != "")
 226                 $sql .= " AND ".TB_PREF."grn_batch.delivery_date>='".date2sql($begin)."'";
 227         if ($end != "")
 228                 $sql .= " AND ".TB_PREF."grn_batch.delivery_date<='".date2sql($end)."'";
 229         if ($grn_batch_id != 0)
 230                 $sql .= " AND ".TB_PREF."grn_batch.id=".db_escape($grn_batch_id)
 231                         ." AND ".TB_PREF."grn_items.grn_batch_id=".db_escape($grn_batch_id);
 232
 233         if ($is_invoiced_only)
 234                 $sql .= " AND ".TB_PREF."grn_items.quantity_inv > 0";
 235
 236         if ($outstanding_only)
 237         $sql .= " AND ".TB_PREF."grn_items.qty_recd - ".TB_PREF."grn_items.quantity_inv > 0";
 238
 239         if ($supplier_id != "")
 240                 $sql .= " AND ".TB_PREF."grn_batch.supplier_id =".db_escape($supplier_id);
 241
 242         $sql .= " ORDER BY ".TB_PREF."grn_batch.delivery_date, ".TB_PREF."grn_batch.id, ".TB_PREF."grn_items.id";
 243
 244         return db_query($sql, "Could not retreive GRNS");
 245 }
 246
 247 //----------------------------------------------------------------------------------------
 248
 249 // get the details for a given grn item
 250
 251 function get_grn_item_detail($grn_item_no)
 252 {
 253         $sql = "SELECT ".TB_PREF."grn_items.*, ".TB_PREF."purch_order_details.unit_price,
 254         ".TB_PREF."grn_items.qty_recd - ".TB_PREF."grn_items.quantity_inv AS QtyOstdg,
 255         ".TB_PREF."purch_order_details.std_cost_unit
 256                 FROM ".TB_PREF."grn_items, ".TB_PREF."purch_order_details, ".TB_PREF."stock_master
 257                 WHERE ".TB_PREF."grn_items.po_detail_item=".TB_PREF."purch_order_details.po_detail_item
 258                         AND ".TB_PREF."stock_master.stock_id=".TB_PREF."grn_items.item_code
 259                         AND ".TB_PREF."grn_items.id=".db_escape($grn_item_no);
 260
 261         $result = db_query($sql, "could not retreive grn item details");
 262         return db_fetch($result);
 263 }
 264
 265 //----------------------------------------------------------------------------------------
 266
 267 function read_grn_items_to_order($grn_batch, &$order)
 268 {
 269         $result = get_grn_items($grn_batch);
 270
 271         if (db_num_rows($result) > 0)
 272         {
 273
 274                 while ($myrow = db_fetch($result))
 275                 {
 276
 277                         if (is_null($myrow["units"]))
 278                         {
 279                                 $units = "";
 280                         }
 281                         else
 282                         {
 283                                 $units = $myrow["units"];
 284                         }
 285
 286                         $order->add_to_order($order->lines_on_order+1, $myrow["item_code"],
 287                                 1,$myrow["description"], $myrow["unit_price"],$units,
 288                                 sql2date($myrow["delivery_date"]), $myrow["quantity_inv"],
 289                                 $myrow["qty_recd"]);
 290
 291                         $order->line_items[$order->lines_on_order]->po_detail_rec = $myrow["po_detail_item"];
 292                 } /* line po from purchase order details */
 293         } //end of checks on returned data set
 294 }
 295
 296 //----------------------------------------------------------------------------------------
 297
 298 // read a grn into an order class
 299
 300 function read_grn($grn_batch, &$order)
 301 {
 302         $sql= "SELECT * FROM ".TB_PREF."grn_batch WHERE id=".db_escape($grn_batch);
 303
 304         $result = db_query($sql, "The grn sent is not valid");
 305
 306         $row = db_fetch($result);
 307         $po_number = $row["purch_order_no"];
 308
 309         $result = read_po_header($po_number, $order);
 310
 311         if ($result)
 312         {
 313
 314                 $order->orig_order_date = sql2date($row["delivery_date"]);
 315                 $order->location = $row["loc_code"];
 316                 $order->reference = $row["reference"];
 317
 318                 read_grn_items_to_order($grn_batch, $order);
 319         }
 320 }
 321
 322 //----------------------------------------------------------------------------------------------------------
 323
 324 // get the GRNs (batch info not details) for a given po number
 325
 326 function get_po_grns($po_number)
 327 {
 328     $sql = "SELECT * FROM ".TB_PREF."grn_batch WHERE purch_order_no=".db_escape($po_number);
 329
 330         return db_query($sql, "The grns for the po $po_number could not be retreived");
 331 }
 332
 333 //----------------------------------------------------------------------------------------------------------
 334
 335 function exists_grn($grn_batch)
 336 {
 337         $sql = "SELECT id FROM ".TB_PREF."grn_batch WHERE id=".db_escape($grn_batch);
 338         $result = db_query($sql, "Cannot retreive a grn");
 339
 340     return (db_num_rows($result) > 0);
 341 }
 342
 343 //----------------------------------------------------------------------------------------------------------
 344
 345 function exists_grn_on_invoices($grn_batch)
 346 {
 347         $sql = "SELECT ".TB_PREF."supp_invoice_items.id FROM ".TB_PREF."supp_invoice_items,".TB_PREF."grn_items
 348                 WHERE ".TB_PREF."supp_invoice_items.grn_item_id=".TB_PREF."grn_items.id
 349                 AND quantity != 0
 350                 AND grn_batch_id=".db_escape($grn_batch);
 351         $result = db_query($sql, "Cannot query GRNs");
 352
 353     return (db_num_rows($result) > 0);
 354 }
 355
 356 //----------------------------------------------------------------------------------------------------------
 357
 358 function void_grn($grn_batch)
 359 {
 360         // if this grn is references on any invoices/credit notes, then it
 361         // can't be voided
 362         if (exists_grn_on_invoices($grn_batch))
 363                 return false;
 364
 365         begin_transaction();
 366
 367         void_bank_trans(ST_SUPPRECEIVE, $grn_batch, true);
 368         void_gl_trans(ST_SUPPRECEIVE, $grn_batch, true);
 369
 370         // clear the quantities of the grn items in the POs and invoices
 371         $result = get_grn_items($grn_batch);
 372
 373     if (db_num_rows($result) > 0)
 374     {
 375
 376         while ($myrow = db_fetch($result))
 377         {
 378
 379                 $sql = "UPDATE ".TB_PREF."purch_order_details
 380                 SET quantity_received = quantity_received - " . $myrow["qty_recd"] . "
 381                 WHERE po_detail_item = " . $myrow["po_detail_item"];
 382
 383                 db_query($sql, "a purchase order details record could not be voided.");
 384         }
 385     }
 386
 387         // clear the quantities in the grn items
 388         $sql = "UPDATE ".TB_PREF."grn_items SET qty_recd=0, quantity_inv=0
 389                 WHERE grn_batch_id=".db_escape($grn_batch);
 390
 391         db_query($sql, "A grn detail item could not be voided.");
 392
 393     // clear the stock move items
 394     void_stock_move(ST_SUPPRECEIVE, $grn_batch);
 395
 396         commit_transaction();
 397
 398         return true;
 399 }
 400
 401 //----------------------------------------------------------------------------------------------------------
 402
 403 ?>