purchasing/includes/db/grn_db.inc

   1 <?php
   2
   3 //------------------- update average material cost ------------------------------------------ Joe Hunt Mar-03-2008
   4
   5 function update_average_material_cost($supplier, $stock_id, $price, $qty, $date, $adj_only=false)
   6 {
   7         if ($supplier != null)
   8                 $currency = get_supplier_currency($supplier);
   9         else
  10                 $currency = null;
  11         if ($currency != null)
  12                 $price_in_home_currency = to_home_currency($price, $currency, $date);
  13         else
  14                 $price_in_home_currency = $price;
  15         $sql = "SELECT material_cost FROM ".TB_PREF."stock_master WHERE stock_id='$stock_id'";
  16         $result = db_query($sql);
  17         $myrow = db_fetch($result);
  18         $material_cost = $myrow['material_cost'];
  19         if ($adj_only)
  20                 $exclude = 13;
  21         else
  22                 $exclude = 0;
  23         $qoh = get_qoh_on_date($stock_id, null, $date, $exclude);
  24
  25         if ($qoh + $qty <= 0)
  26                 $material_cost = 0;
  27         else
  28         {
  29                 if ($adj_only)
  30                 {
  31                         if ($qoh <= 0)
  32                                 $material_cost = 0;
  33                         else
  34                                 $material_cost = ($qoh * $material_cost + $qty * $price_in_home_currency) /     $qoh;
  35                 }
  36                 else
  37                         $material_cost = ($qoh * $material_cost + $qty * $price_in_home_currency) /     ($qoh + $qty);
  38         }
  39         $sql = "UPDATE ".TB_PREF."stock_master SET material_cost=".db_escape($material_cost)."
  40                 WHERE stock_id='$stock_id'";
  41         db_query($sql,"The cost details for the inventory item could not be updated");
  42         return $material_cost;
  43 }
  44
  45 //-------------------------------------------------------------------------------------------------------------
  46
  47 function add_grn(&$po, $date_, $reference, $location)
  48 {
  49         begin_transaction();
  50
  51         $grn = add_grn_batch($po->order_no, $po->supplier_id, $reference, $location, $date_);
  52
  53         foreach ($po->line_items as $order_line)
  54         {
  55
  56                 if ($order_line->receive_qty != 0 && $order_line->receive_qty != "" && isset($order_line->receive_qty))
  57                 {
  58
  59                         /*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*/
  60
  61                         //------------------- update average material cost ------------------------------------------ Joe Hunt Mar-03-2008
  62                         update_average_material_cost($po->supplier_id, $order_line->stock_id, $order_line->price,
  63                                 $order_line->receive_qty, $date_);
  64                         //----------------------------------------------------------------------------------------------------------------
  65                         if ($order_line->qty_received == 0)
  66                         {
  67                                 /*This must be the first receipt of goods against this line */
  68                                 /*Need to get the standard cost as it is now so we can process GL jorunals later*/
  69                                 $order_line->standard_cost = get_standard_cost($order_line->stock_id);
  70                         }
  71                         // added 2008-12-08 Joe Hunt. Update the purchase data table
  72                         add_or_update_purchase_data($po->supplier_id, $order_line->stock_id, $order_line->price,
  73                                 $order_line->item_description);
  74
  75                         /*Need to insert a grn item */
  76
  77                         $grn_item = add_grn_detail_item($grn, $order_line->po_detail_rec,
  78                                 $order_line->stock_id, $order_line->item_description,
  79                                 $order_line->standard_cost,     $order_line->receive_qty, $order_line->price);
  80
  81                         /* Update location stock records - NB  a po cannot be entered for a service/kit parts */
  82             add_stock_move(25, $order_line->stock_id, $grn, $location, $date_, "",
  83                 $order_line->receive_qty, $order_line->standard_cost,
  84                 $po->supplier_id, 1, $order_line->price);
  85
  86                 } /*quantity received is != 0 */
  87         } /*end of order_line loop */
  88
  89         references::save_last($reference, 25);
  90
  91         commit_transaction();
  92
  93         return $grn;
  94 }
  95
  96 //----------------------------------------------------------------------------------------
  97
  98 function add_grn_batch($po_number, $supplier_id, $reference, $location, $date_)
  99 {
 100         $date = date2sql($date_);
 101
 102         $sql = "INSERT INTO ".TB_PREF."grn_batch (purch_order_no, delivery_date, supplier_id, reference, loc_code)
 103                         VALUES (".db_escape($po_number).", ".db_escape($date).", "
 104                         .db_escape($supplier_id).", ".db_escape($reference).", ".db_escape($location).")";
 105
 106         db_query($sql, "A grn batch record could not be inserted.");
 107
 108         return db_insert_id();
 109 }
 110
 111 //-------------------------------------------------------------------------------------------------------------
 112
 113 function add_grn_detail_item($grn_batch_id, $po_detail_item, $item_code, $description, $standard_unit_cost,
 114         $quantity_received, $price)
 115 {
 116         $sql = "UPDATE ".TB_PREF."purch_order_details
 117         SET quantity_received = quantity_received + $quantity_received,
 118         std_cost_unit=$standard_unit_cost,
 119         act_price=$price
 120         WHERE po_detail_item = $po_detail_item";
 121
 122         db_query($sql, "a purchase order details record could not be updated. This receipt of goods has not been processed ");
 123
 124         $sql = "INSERT INTO ".TB_PREF."grn_items (grn_batch_id, po_detail_item, item_code, description, qty_recd)
 125                 VALUES ($grn_batch_id, $po_detail_item, ".db_escape($item_code).", ".db_escape($description).", $quantity_received)";
 126
 127         db_query($sql, "A GRN detail item could not be inserted.");
 128
 129         return db_insert_id();
 130 }
 131
 132 //----------------------------------------------------------------------------------------
 133 function get_grn_batch_from_item($item)
 134 {
 135         $sql = "SELECT grn_batch_id FROM ".TB_PREF."grn_items WHERE id=$item";
 136         $result = db_query($sql, "Could not retreive GRN batch id");
 137         $row = db_fetch_row($result);
 138         return $row[0];
 139 }
 140
 141 function get_grn_batch($grn)
 142 {
 143         $sql = "SELECT * FROM ".TB_PREF."grn_batch WHERE id=$grn";
 144         $result = db_query($sql, "Could not retreive GRN batch id");
 145         return db_fetch($result);
 146 }
 147
 148 function set_grn_item_credited(&$entered_grn, $supplier, $transno, $date)
 149 {
 150         $mcost = update_average_material_cost($supplier, $entered_grn->item_code,
 151                 $entered_grn->chg_price, $entered_grn->this_quantity_inv, $date);
 152
 153         $sql = "SELECT ".TB_PREF."grn_batch.*, ".TB_PREF."grn_items.*
 154         FROM ".TB_PREF."grn_batch, ".TB_PREF."grn_items
 155         WHERE ".TB_PREF."grn_items.grn_batch_id=".TB_PREF."grn_batch.id
 156                 AND ".TB_PREF."grn_items.id=$entered_grn->id
 157         AND ".TB_PREF."grn_items.item_code='$entered_grn->item_code' ";
 158         $result = db_query($sql, "Could not retreive GRNS");
 159         $myrow = db_fetch($result);
 160
 161         $sql = "UPDATE ".TB_PREF."purch_order_details
 162         SET quantity_received = quantity_received + $entered_grn->this_quantity_inv,
 163         std_cost_unit=$mcost,
 164         act_price=$entered_grn->chg_price
 165         WHERE po_detail_item = ".$myrow["po_detail_item"];
 166         db_query($sql, "a purchase order details record could not be updated. This receipt of goods has not been processed ");
 167
 168         //$sql = "UPDATE ".TB_PREF."grn_items SET qty_recd=0, quantity_inv=0 WHERE id=$entered_grn->id";
 169         $sql = "UPDATE ".TB_PREF."grn_items SET qty_recd=qty_recd+$entered_grn->this_quantity_inv,
 170                 quantity_inv=quantity_inv+$entered_grn->this_quantity_inv WHERE id=$entered_grn->id";
 171         db_query($sql);
 172
 173     add_stock_move(21, $entered_grn->item_code, $transno, $myrow['loc_code'], $date, "",
 174         $entered_grn->this_quantity_inv, $mcost, $supplier, 1, $entered_grn->chg_price);
 175 }
 176
 177 function get_grn_items($grn_batch_id=0, $supplier_id="", $outstanding_only=false,
 178         $is_invoiced_only=false, $invoice_no=0, $begin="", $end="")
 179 {
 180     $sql = "SELECT ".TB_PREF."grn_batch.*, ".TB_PREF."grn_items.*, ".TB_PREF."purch_order_details.unit_price,
 181                 ".TB_PREF."purch_order_details.std_cost_unit, units
 182         FROM ".TB_PREF."grn_batch, ".TB_PREF."grn_items, ".TB_PREF."purch_order_details, ".TB_PREF."stock_master";
 183     if ($invoice_no != 0)
 184         $sql .= ", ".TB_PREF."supp_invoice_items";
 185     $sql .= " WHERE ".TB_PREF."grn_items.grn_batch_id=".TB_PREF."grn_batch.id
 186                 AND ".TB_PREF."grn_items.po_detail_item=".TB_PREF."purch_order_details.po_detail_item";
 187         if ($invoice_no != 0)
 188                 $sql .= " AND ".TB_PREF."supp_invoice_items.supp_trans_type=20 AND
 189                         ".TB_PREF."supp_invoice_items.supp_trans_no=$invoice_no AND
 190                         ".TB_PREF."grn_items.id=".TB_PREF."supp_invoice_items.grn_item_id";
 191         $sql .= " AND ".TB_PREF."stock_master.stock_id=".TB_PREF."grn_items.item_code ";
 192
 193         if ($begin != "")
 194                 $sql .= " AND ".TB_PREF."grn_batch.delivery_date>='".date2sql($begin)."'";
 195         if ($end != "")
 196                 $sql .= " AND ".TB_PREF."grn_batch.delivery_date<='".date2sql($end)."'";
 197         if ($grn_batch_id != 0)
 198                 $sql .= " AND ".TB_PREF."grn_batch.id=$grn_batch_id AND ".TB_PREF."grn_items.grn_batch_id=$grn_batch_id ";
 199
 200         if ($is_invoiced_only)
 201                 $sql .= " AND ".TB_PREF."grn_items.quantity_inv > 0";
 202
 203         if ($outstanding_only)
 204         $sql .= " AND ".TB_PREF."grn_items.qty_recd - ".TB_PREF."grn_items.quantity_inv > 0";
 205
 206         if ($supplier_id != "")
 207                 $sql .= " AND ".TB_PREF."grn_batch.supplier_id ='$supplier_id' ";
 208
 209         $sql .= " ORDER BY ".TB_PREF."grn_batch.delivery_date, ".TB_PREF."grn_batch.id, ".TB_PREF."grn_items.id";
 210
 211         return db_query($sql, "Could not retreive GRNS");
 212 }
 213
 214 //----------------------------------------------------------------------------------------
 215
 216 // get the details for a given grn item
 217
 218 function get_grn_item_detail($grn_item_no)
 219 {
 220         $sql = "SELECT ".TB_PREF."grn_items.*, ".TB_PREF."purch_order_details.unit_price,
 221         ".TB_PREF."grn_items.qty_recd - ".TB_PREF."grn_items.quantity_inv AS QtyOstdg,
 222         ".TB_PREF."purch_order_details.std_cost_unit
 223                 FROM ".TB_PREF."grn_items, ".TB_PREF."purch_order_details, ".TB_PREF."stock_master
 224                 WHERE ".TB_PREF."grn_items.po_detail_item=".TB_PREF."purch_order_details.po_detail_item
 225                         AND ".TB_PREF."stock_master.stock_id=".TB_PREF."grn_items.item_code
 226                         AND ".TB_PREF."grn_items.id=$grn_item_no";
 227
 228         $result = db_query($sql, "could not retreive grn item details");
 229         return db_fetch($result);
 230 }
 231
 232 //----------------------------------------------------------------------------------------
 233
 234 function read_grn_items_to_order($grn_batch, &$order)
 235 {
 236         $result = get_grn_items($grn_batch);
 237
 238         if (db_num_rows($result) > 0)
 239         {
 240
 241                 while ($myrow = db_fetch($result))
 242                 {
 243
 244                         if (is_null($myrow["units"]))
 245                         {
 246                                 $units = "";
 247                         }
 248                         else
 249                         {
 250                                 $units = $myrow["units"];
 251                         }
 252
 253                         $order->add_to_order($order->lines_on_order+1, $myrow["item_code"],
 254                                 1,$myrow["description"], $myrow["unit_price"],$units,
 255                                 sql2date($myrow["delivery_date"]), $myrow["quantity_inv"],
 256                                 $myrow["qty_recd"]);
 257
 258                         $order->line_items[$order->lines_on_order]->po_detail_rec = $myrow["po_detail_item"];
 259                 } /* line po from purchase order details */
 260         } //end of checks on returned data set
 261 }
 262
 263 //----------------------------------------------------------------------------------------
 264
 265 // read a grn into an order class
 266
 267 function read_grn($grn_batch, &$order)
 268 {
 269         $sql= "SELECT * FROM ".TB_PREF."grn_batch WHERE id=$grn_batch";
 270
 271         $result = db_query($sql, "The grn sent is not valid");
 272
 273         $row = db_fetch($result);
 274         $po_number = $row["purch_order_no"];
 275
 276         $result = read_po_header($po_number, $order);
 277
 278         if ($result)
 279         {
 280
 281                 $order->orig_order_date = sql2date($row["delivery_date"]);
 282                 $order->location = $row["loc_code"];
 283                 $order->reference = $row["reference"];
 284
 285                 read_grn_items_to_order($grn_batch, $order);
 286         }
 287 }
 288
 289 //----------------------------------------------------------------------------------------------------------
 290
 291 // get the GRNs (batch info not details) for a given po number
 292
 293 function get_po_grns($po_number)
 294 {
 295     $sql = "SELECT * FROM ".TB_PREF."grn_batch WHERE purch_order_no=$po_number";
 296
 297         return db_query($sql, "The grns for the po $po_number could not be retreived");
 298 }
 299
 300 //----------------------------------------------------------------------------------------------------------
 301
 302 function exists_grn($grn_batch)
 303 {
 304         $sql = "SELECT id FROM ".TB_PREF."grn_batch WHERE id=$grn_batch";
 305         $result = db_query($sql, "Cannot retreive a grn");
 306
 307     return (db_num_rows($result) > 0);
 308 }
 309
 310 //----------------------------------------------------------------------------------------------------------
 311
 312 function exists_grn_on_invoices($grn_batch)
 313 {
 314         $sql = "SELECT ".TB_PREF."supp_invoice_items.id FROM ".TB_PREF."supp_invoice_items,".TB_PREF."grn_items
 315                 WHERE ".TB_PREF."supp_invoice_items.grn_item_id=".TB_PREF."grn_items.id
 316                 AND quantity != 0
 317                 AND grn_batch_id=$grn_batch";
 318         $result = db_query($sql, "Cannot query GRNs");
 319
 320     return (db_num_rows($result) > 0);
 321 }
 322
 323 //----------------------------------------------------------------------------------------------------------
 324
 325 function void_grn($grn_batch)
 326 {
 327         // if this grn is references on any invoices/credit notes, then it
 328         // can't be voided
 329         if (exists_grn_on_invoices($grn_batch))
 330                 return false;
 331
 332         begin_transaction();
 333
 334         void_bank_trans(25, $grn_batch, true);
 335         void_gl_trans(25, $grn_batch, true);
 336
 337         // clear the quantities of the grn items in the POs and invoices
 338         $result = get_grn_items($grn_batch);
 339
 340     if (db_num_rows($result) > 0)
 341     {
 342
 343         while ($myrow = db_fetch($result))
 344         {
 345
 346                 $sql = "UPDATE ".TB_PREF."purch_order_details
 347                 SET quantity_received = quantity_received - " . $myrow["qty_recd"] . "
 348                 WHERE po_detail_item = " . $myrow["po_detail_item"];
 349
 350                 db_query($sql, "a purchase order details record could not be voided.");
 351         }
 352     }
 353
 354         // clear the quantities in the grn items
 355         $sql = "UPDATE ".TB_PREF."grn_items SET qty_recd=0, quantity_inv=0
 356                 WHERE grn_batch_id=$grn_batch";
 357
 358         db_query($sql, "A grn detail item could not be voided.");
 359
 360     // clear the stock move items
 361     void_stock_move(25, $grn_batch);
 362
 363         commit_transaction();
 364
 365         return true;
 366 }
 367
 368 //----------------------------------------------------------------------------------------------------------
 369
 370 ?>