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