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         $cost_adjust = false;
  42         $qoh = get_qoh_on_date($stock_id, null, $date, $exclude);
  43         if ($adj_only)
  44         {
  45                 if ($qoh > 0)
  46                 /*
  47                 if ($qoh <= 0)
  48                         $material_cost = 0;
  49                 else
  50                 */
  51                         $material_cost = ($qoh * $material_cost + $qty * $price_in_home_currency) /     $qoh;
  52         }
  53         /*
  54         elseif ($qoh + $qty <= 0)
  55                 $material_cost = 0;
  56         */
  57         else
  58         {
  59                 if ($qoh < 0)
  60                 {
  61                         if ($qoh + $qty > 0)
  62                                 $cost_adjust = true;
  63                         $qoh = 0;
  64                 }
  65                 $material_cost = ($qoh * $material_cost + $qty * $price_in_home_currency) /     ($qoh + $qty);
  66         }
  67         $material_cost = round2($material_cost, $dec);
  68         if ($cost_adjust) // new 2010-02-10
  69                 adjust_deliveries($stock_id, $material_cost, $date);
  70         $sql = "UPDATE ".TB_PREF."stock_master SET material_cost=".db_escape($material_cost)."
  71                 WHERE stock_id=".db_escape($stock_id);
  72         db_query($sql,"The cost details for the inventory item could not be updated");
  73         return $material_cost;
  74 }
  75
  76 //-------------------------------------------------------------------------------------------------------------
  77
  78 function add_grn(&$po)
  79 {
  80         global $Refs;
  81
  82         $date_ = $po->orig_order_date;
  83
  84         begin_transaction();
  85
  86         $grn = add_grn_batch($po->order_no, $po->supplier_id, $po->reference, $po->Location, $date_);
  87
  88         foreach ($po->line_items as $line_no => $order_line)
  89         {
  90
  91                 if ($order_line->receive_qty != 0 && $order_line->receive_qty != "" && isset($order_line->receive_qty))
  92                 {
  93
  94                         /*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*/
  95                         //------------------- update average material cost ------------------------------------------ Joe Hunt Mar-03-2008
  96                         update_average_material_cost($po->supplier_id, $order_line->stock_id, $order_line->price,
  97                                 $order_line->receive_qty, $date_);
  98                         //----------------------------------------------------------------------------------------------------------------
  99                         if ($order_line->qty_received == 0)
 100                         {
 101                                 /*This must be the first receipt of goods against this line */
 102                                 /*Need to get the standard cost as it is now so we can process GL jorunals later*/
 103                                 $order_line->standard_cost = get_standard_cost($order_line->stock_id);
 104                         }
 105                         // added 2008-12-08 Joe Hunt. Update the purchase data table
 106                         add_or_update_purchase_data($po->supplier_id, $order_line->stock_id, $order_line->price,
 107                                 $order_line->item_description);
 108
 109                         /*Need to insert a grn item */
 110
 111                         $grn_item = add_grn_detail_item($grn, $order_line->po_detail_rec,
 112                                 $order_line->stock_id, $order_line->item_description,
 113                                 $order_line->standard_cost,     $order_line->receive_qty, $order_line->price);
 114
 115                         $po->line_items[$line_no]->grn_item_id = $grn_item;
 116                         /* Update location stock records - NB  a po cannot be entered for a service/kit parts */
 117             add_stock_move(ST_SUPPRECEIVE, $order_line->stock_id, $grn, $po->Location, $date_, "",
 118                 $order_line->receive_qty, $order_line->standard_cost,
 119                 $po->supplier_id, 1, $order_line->price);
 120
 121                 } /*quantity received is != 0 */
 122         } /*end of order_line loop */
 123
 124         $Refs->save(ST_SUPPRECEIVE, $grn, $po->reference);
 125
 126         add_audit_trail(ST_SUPPRECEIVE, $grn, $date_);
 127
 128         commit_transaction();
 129
 130         return $grn;
 131 }
 132
 133 //----------------------------------------------------------------------------------------
 134
 135 function add_grn_batch($po_number, $supplier_id, $reference, $location, $date_)
 136 {
 137         $date = date2sql($date_);
 138
 139         $sql = "INSERT INTO ".TB_PREF."grn_batch (purch_order_no, delivery_date, supplier_id, reference, loc_code)
 140                         VALUES (".db_escape($po_number).", ".db_escape($date).", "
 141                         .db_escape($supplier_id).", ".db_escape($reference).", ".db_escape($location).")";
 142
 143         db_query($sql, "A grn batch record could not be inserted.");
 144
 145         return db_insert_id();
 146 }
 147
 148 //-------------------------------------------------------------------------------------------------------------
 149
 150 function add_grn_detail_item($grn_batch_id, $po_detail_item, $item_code, $description, $standard_unit_cost,
 151         $quantity_received, $price)
 152 {
 153         $sql = "UPDATE ".TB_PREF."purch_order_details
 154         SET quantity_received = quantity_received + ".db_escape($quantity_received).",
 155         std_cost_unit=".db_escape($standard_unit_cost).",
 156         act_price=".db_escape($price)."
 157         WHERE po_detail_item = ".db_escape($po_detail_item);
 158
 159         db_query($sql, "a purchase order details record could not be updated. This receipt of goods has not been processed ");
 160
 161         $sql = "INSERT INTO ".TB_PREF."grn_items (grn_batch_id, po_detail_item, item_code, description, qty_recd)
 162                 VALUES (".db_escape($grn_batch_id).", "
 163                 .db_escape($po_detail_item).", ".db_escape($item_code).", ".db_escape($description)
 164                 .", ".db_escape($quantity_received).")";
 165
 166         db_query($sql, "A GRN detail item could not be inserted.");
 167
 168         return db_insert_id();
 169 }
 170
 171 //----------------------------------------------------------------------------------------
 172 function get_grn_batch_from_item($item)
 173 {
 174         $sql = "SELECT grn_batch_id FROM ".TB_PREF."grn_items WHERE id=".db_escape($item);
 175         $result = db_query($sql, "Could not retreive GRN batch id");
 176         $row = db_fetch_row($result);
 177         return $row[0];
 178 }
 179
 180 function get_grn_batch($grn)
 181 {
 182         $sql = "SELECT * FROM ".TB_PREF."grn_batch WHERE id=".db_escape($grn);
 183         $result = db_query($sql, "Could not retreive GRN batch id");
 184         return db_fetch($result);
 185 }
 186
 187 function set_grn_item_credited(&$entered_grn, $supplier, $transno, $date)
 188 {
 189         $mcost = update_average_material_cost($supplier, $entered_grn->item_code,
 190                 $entered_grn->chg_price, $entered_grn->this_quantity_inv, $date);
 191
 192         $sql = "SELECT ".TB_PREF."grn_batch.*, ".TB_PREF."grn_items.*
 193         FROM ".TB_PREF."grn_batch, ".TB_PREF."grn_items
 194         WHERE ".TB_PREF."grn_items.grn_batch_id=".TB_PREF."grn_batch.id
 195                 AND ".TB_PREF."grn_items.id=".db_escape($entered_grn->id)."
 196         AND ".TB_PREF."grn_items.item_code=".db_escape($entered_grn->item_code);
 197         $result = db_query($sql, "Could not retreive GRNS");
 198         $myrow = db_fetch($result);
 199
 200         $sql = "UPDATE ".TB_PREF."purch_order_details
 201         SET quantity_received = quantity_received + "
 202                 .db_escape($entered_grn->this_quantity_inv).",
 203         quantity_ordered = quantity_ordered + "
 204         .db_escape($entered_grn->this_quantity_inv).",
 205         qty_invoiced = qty_invoiced + ".db_escape($entered_grn->this_quantity_inv).",
 206         std_cost_unit=".db_escape($mcost).",
 207         act_price=".db_escape($entered_grn->chg_price)."
 208         WHERE po_detail_item = ".$myrow["po_detail_item"];
 209         db_query($sql, "a purchase order details record could not be updated. This receipt of goods has not been processed ");
 210
 211         //$sql = "UPDATE ".TB_PREF."grn_items SET qty_recd=0, quantity_inv=0 WHERE id=$entered_grn->id";
 212         $sql = "UPDATE ".TB_PREF."grn_items SET qty_recd=qty_recd+".db_escape($entered_grn->this_quantity_inv)
 213         .",quantity_inv=quantity_inv+".db_escape($entered_grn->this_quantity_inv)
 214         ." WHERE id=".db_escape($entered_grn->id);
 215         db_query($sql);
 216
 217     add_stock_move(ST_SUPPCREDIT, $entered_grn->item_code, $transno, $myrow['loc_code'], $date, "",
 218         $entered_grn->this_quantity_inv, $mcost, $supplier, 1, $entered_grn->chg_price);
 219 }
 220
 221 function get_grn_items($grn_batch_id=0, $supplier_id="", $outstanding_only=false,
 222         $is_invoiced_only=false, $invoice_no=0, $begin="", $end="")
 223 {
 224     $sql = "SELECT ".TB_PREF."grn_batch.*, ".TB_PREF."grn_items.*, "
 225         .TB_PREF."purch_order_details.unit_price,
 226                 ".TB_PREF."purch_order_details.std_cost_unit, units
 227         FROM ".TB_PREF."grn_batch, ".TB_PREF."grn_items, "
 228         .TB_PREF."purch_order_details, ".TB_PREF."stock_master";
 229     if ($invoice_no != 0)
 230         $sql .= ", ".TB_PREF."supp_invoice_items";
 231     $sql .= " WHERE ".TB_PREF."grn_items.grn_batch_id=".TB_PREF."grn_batch.id
 232                 AND ".TB_PREF."grn_items.po_detail_item=".TB_PREF."purch_order_details.po_detail_item";
 233         if ($invoice_no != 0)
 234                 $sql .= " AND ".TB_PREF."supp_invoice_items.supp_trans_type=".ST_SUPPINVOICE." AND
 235                         ".TB_PREF."supp_invoice_items.supp_trans_no=$invoice_no AND
 236                         ".TB_PREF."grn_items.id=".TB_PREF."supp_invoice_items.grn_item_id";
 237         $sql .= " AND ".TB_PREF."stock_master.stock_id=".TB_PREF."grn_items.item_code ";
 238
 239         if ($begin != "")
 240                 $sql .= " AND ".TB_PREF."grn_batch.delivery_date>='".date2sql($begin)."'";
 241         if ($end != "")
 242                 $sql .= " AND ".TB_PREF."grn_batch.delivery_date<='".date2sql($end)."'";
 243         if ($grn_batch_id != 0)
 244                 $sql .= " AND ".TB_PREF."grn_batch.id=".db_escape($grn_batch_id)
 245                         ." AND ".TB_PREF."grn_items.grn_batch_id=".db_escape($grn_batch_id);
 246
 247         if ($is_invoiced_only)
 248                 $sql .= " AND ".TB_PREF."grn_items.quantity_inv > 0";
 249
 250         if ($outstanding_only)
 251         $sql .= " AND ".TB_PREF."grn_items.qty_recd - ".TB_PREF."grn_items.quantity_inv > 0";
 252
 253         if ($supplier_id != "")
 254                 $sql .= " AND ".TB_PREF."grn_batch.supplier_id =".db_escape($supplier_id);
 255
 256         $sql .= " ORDER BY ".TB_PREF."grn_batch.delivery_date, ".TB_PREF."grn_batch.id, ".TB_PREF."grn_items.id";
 257
 258         return db_query($sql, "Could not retreive GRNS");
 259 }
 260
 261 //----------------------------------------------------------------------------------------
 262
 263 // get the details for a given grn item
 264
 265 function get_grn_item_detail($grn_item_no)
 266 {
 267         $sql = "SELECT ".TB_PREF."grn_items.*, ".TB_PREF."purch_order_details.unit_price,
 268         ".TB_PREF."grn_items.qty_recd - ".TB_PREF."grn_items.quantity_inv AS QtyOstdg,
 269         ".TB_PREF."purch_order_details.std_cost_unit
 270                 FROM ".TB_PREF."grn_items, ".TB_PREF."purch_order_details, ".TB_PREF."stock_master
 271                 WHERE ".TB_PREF."grn_items.po_detail_item=".TB_PREF."purch_order_details.po_detail_item
 272                         AND ".TB_PREF."stock_master.stock_id=".TB_PREF."grn_items.item_code
 273                         AND ".TB_PREF."grn_items.id=".db_escape($grn_item_no);
 274
 275         $result = db_query($sql, "could not retreive grn item details");
 276         return db_fetch($result);
 277 }
 278
 279 //----------------------------------------------------------------------------------------
 280
 281 function read_grn_items_to_order($grn_batch, &$order)
 282 {
 283         $result = get_grn_items($grn_batch);
 284
 285         if (db_num_rows($result) > 0)
 286         {
 287
 288                 while ($myrow = db_fetch($result))
 289                 {
 290
 291                         if (is_null($myrow["units"]))
 292                         {
 293                                 $units = "";
 294                         }
 295                         else
 296                         {
 297                                 $units = $myrow["units"];
 298                         }
 299
 300                         $order->add_to_order($order->lines_on_order+1, $myrow["item_code"],
 301                                 1,$myrow["description"], $myrow["unit_price"],$units,
 302                                 sql2date($myrow["delivery_date"]), $myrow["quantity_inv"],
 303                                 $myrow["qty_recd"]);
 304
 305                         $order->line_items[$order->lines_on_order]->po_detail_rec = $myrow["po_detail_item"];
 306                 } /* line po from purchase order details */
 307         } //end of checks on returned data set
 308 }
 309
 310 //----------------------------------------------------------------------------------------
 311
 312 // read a grn into an order class
 313
 314 function read_grn($grn_batch, &$order)
 315 {
 316         $sql= "SELECT * FROM ".TB_PREF."grn_batch WHERE id=".db_escape($grn_batch);
 317
 318         $result = db_query($sql, "The grn sent is not valid");
 319
 320         $row = db_fetch($result);
 321         $po_number = $row["purch_order_no"];
 322
 323         $result = read_po_header($po_number, $order);
 324
 325         if ($result)
 326         {
 327
 328                 $order->orig_order_date = sql2date($row["delivery_date"]);
 329                 $order->location = $row["loc_code"];
 330                 $order->reference = $row["reference"];
 331
 332                 read_grn_items_to_order($grn_batch, $order);
 333         }
 334 }
 335
 336 //----------------------------------------------------------------------------------------------------------
 337
 338 // get the GRNs (batch info not details) for a given po number
 339
 340 function get_po_grns($po_number)
 341 {
 342     $sql = "SELECT * FROM ".TB_PREF."grn_batch WHERE purch_order_no=".db_escape($po_number);
 343
 344         return db_query($sql, "The grns for the po $po_number could not be retreived");
 345 }
 346
 347 //----------------------------------------------------------------------------------------------------------
 348
 349 function exists_grn($grn_batch)
 350 {
 351         $sql = "SELECT id FROM ".TB_PREF."grn_batch WHERE id=".db_escape($grn_batch);
 352         $result = db_query($sql, "Cannot retreive a grn");
 353
 354     return (db_num_rows($result) > 0);
 355 }
 356
 357 //----------------------------------------------------------------------------------------------------------
 358
 359 function exists_grn_on_invoices($grn_batch)
 360 {
 361         $sql = "SELECT ".TB_PREF."supp_invoice_items.id FROM ".TB_PREF."supp_invoice_items,".TB_PREF."grn_items
 362                 WHERE ".TB_PREF."supp_invoice_items.grn_item_id=".TB_PREF."grn_items.id
 363                 AND quantity != 0
 364                 AND grn_batch_id=".db_escape($grn_batch);
 365         $result = db_query($sql, "Cannot query GRNs");
 366
 367     return (db_num_rows($result) > 0);
 368 }
 369
 370 //----------------------------------------------------------------------------------------------------------
 371
 372 function void_grn($grn_batch)
 373 {
 374         // if this grn is references on any invoices/credit notes, then it
 375         // can't be voided
 376         if (exists_grn_on_invoices($grn_batch))
 377                 return false;
 378
 379         begin_transaction();
 380
 381         void_bank_trans(ST_SUPPRECEIVE, $grn_batch, true);
 382         void_gl_trans(ST_SUPPRECEIVE, $grn_batch, true);
 383
 384         // clear the quantities of the grn items in the POs and invoices
 385         $result = get_grn_items($grn_batch);
 386
 387     if (db_num_rows($result) > 0)
 388     {
 389
 390         while ($myrow = db_fetch($result))
 391         {
 392
 393                 $sql = "UPDATE ".TB_PREF."purch_order_details
 394                 SET quantity_received = quantity_received - " . $myrow["qty_recd"] . "
 395                 WHERE po_detail_item = " . $myrow["po_detail_item"];
 396
 397                 db_query($sql, "a purchase order details record could not be voided.");
 398         }
 399     }
 400
 401         // clear the quantities in the grn items
 402         $sql = "UPDATE ".TB_PREF."grn_items SET qty_recd=0, quantity_inv=0
 403                 WHERE grn_batch_id=".db_escape($grn_batch);
 404
 405         db_query($sql, "A grn detail item could not be voided.");
 406
 407     // clear the stock move items
 408     void_stock_move(ST_SUPPRECEIVE, $grn_batch);
 409
 410         commit_transaction();
 411
 412         return true;
 413 }
 414
 415 //----------------------------------------------------------------------------------------------------------
 416
 417 ?>