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)
 179 {
 180     $sql = "SELECT ".TB_PREF."grn_batch.*, ".TB_PREF."grn_items.*, ".TB_PREF."purch_order_details.unit_price,
 181                 ".TB_PREF."purch_order_details.std_cost_unit, units
 182         FROM ".TB_PREF."grn_batch, ".TB_PREF."grn_items, ".TB_PREF."purch_order_details, ".TB_PREF."stock_master
 183         WHERE ".TB_PREF."grn_items.grn_batch_id=".TB_PREF."grn_batch.id
 184                 AND ".TB_PREF."grn_items.po_detail_item=".TB_PREF."purch_order_details.po_detail_item
 185         AND ".TB_PREF."stock_master.stock_id=".TB_PREF."grn_items.item_code ";
 186
 187         if ($grn_batch_id != 0)
 188                 $sql .= " AND ".TB_PREF."grn_batch.id=$grn_batch_id AND ".TB_PREF."grn_items.grn_batch_id=$grn_batch_id ";
 189
 190         if ($is_invoiced_only)
 191                 $sql .= " AND ".TB_PREF."grn_items.quantity_inv > 0";
 192
 193         if ($outstanding_only)
 194         $sql .= " AND ".TB_PREF."grn_items.qty_recd - ".TB_PREF."grn_items.quantity_inv > 0";
 195
 196         if ($supplier_id != "")
 197                 $sql .= " AND ".TB_PREF."grn_batch.supplier_id ='$supplier_id' ";
 198
 199         $sql .= " ORDER BY ".TB_PREF."grn_batch.delivery_date, ".TB_PREF."grn_batch.id, ".TB_PREF."grn_items.id";
 200
 201         return db_query($sql, "Could not retreive GRNS");
 202 }
 203
 204 //----------------------------------------------------------------------------------------
 205
 206 // get the details for a given grn item
 207
 208 function get_grn_item_detail($grn_item_no)
 209 {
 210         $sql = "SELECT ".TB_PREF."grn_items.*, ".TB_PREF."purch_order_details.unit_price,
 211         ".TB_PREF."grn_items.qty_recd - ".TB_PREF."grn_items.quantity_inv AS QtyOstdg,
 212         ".TB_PREF."purch_order_details.std_cost_unit
 213                 FROM ".TB_PREF."grn_items, ".TB_PREF."purch_order_details, ".TB_PREF."stock_master
 214                 WHERE ".TB_PREF."grn_items.po_detail_item=".TB_PREF."purch_order_details.po_detail_item
 215                         AND ".TB_PREF."stock_master.stock_id=".TB_PREF."grn_items.item_code
 216                         AND ".TB_PREF."grn_items.id=$grn_item_no";
 217
 218         $result = db_query($sql, "could not retreive grn item details");
 219         return db_fetch($result);
 220 }
 221
 222 //----------------------------------------------------------------------------------------
 223
 224 function read_grn_items_to_order($grn_batch, &$order)
 225 {
 226         $result = get_grn_items($grn_batch);
 227
 228         if (db_num_rows($result) > 0)
 229         {
 230
 231                 while ($myrow = db_fetch($result))
 232                 {
 233
 234                         if (is_null($myrow["units"]))
 235                         {
 236                                 $units = "";
 237                         }
 238                         else
 239                         {
 240                                 $units = $myrow["units"];
 241                         }
 242
 243                         $order->add_to_order($order->lines_on_order+1, $myrow["item_code"],
 244                                 1,$myrow["description"], $myrow["unit_price"],$units,
 245                                 sql2date($myrow["delivery_date"]), $myrow["quantity_inv"],
 246                                 $myrow["qty_recd"]);
 247
 248                         $order->line_items[$order->lines_on_order]->po_detail_rec = $myrow["po_detail_item"];
 249                 } /* line po from purchase order details */
 250         } //end of checks on returned data set
 251 }
 252
 253 //----------------------------------------------------------------------------------------
 254
 255 // read a grn into an order class
 256
 257 function read_grn($grn_batch, &$order)
 258 {
 259         $sql= "SELECT * FROM ".TB_PREF."grn_batch WHERE id=$grn_batch";
 260
 261         $result = db_query($sql, "The grn sent is not valid");
 262
 263         $row = db_fetch($result);
 264         $po_number = $row["purch_order_no"];
 265
 266         $result = read_po_header($po_number, $order);
 267
 268         if ($result)
 269         {
 270
 271                 $order->orig_order_date = sql2date($row["delivery_date"]);
 272                 $order->location = $row["loc_code"];
 273                 $order->reference = $row["reference"];
 274
 275                 read_grn_items_to_order($grn_batch, $order);
 276         }
 277 }
 278
 279 //----------------------------------------------------------------------------------------------------------
 280
 281 // get the GRNs (batch info not details) for a given po number
 282
 283 function get_po_grns($po_number)
 284 {
 285     $sql = "SELECT * FROM ".TB_PREF."grn_batch WHERE purch_order_no=$po_number";
 286
 287         return db_query($sql, "The grns for the po $po_number could not be retreived");
 288 }
 289
 290 //----------------------------------------------------------------------------------------------------------
 291
 292 function exists_grn($grn_batch)
 293 {
 294         $sql = "SELECT id FROM ".TB_PREF."grn_batch WHERE id=$grn_batch";
 295         $result = db_query($sql, "Cannot retreive a grn");
 296
 297     return (db_num_rows($result) > 0);
 298 }
 299
 300 //----------------------------------------------------------------------------------------------------------
 301
 302 function exists_grn_on_invoices($grn_batch)
 303 {
 304         $sql = "SELECT ".TB_PREF."supp_invoice_items.id FROM ".TB_PREF."supp_invoice_items,".TB_PREF."grn_items
 305                 WHERE ".TB_PREF."supp_invoice_items.grn_item_id=".TB_PREF."grn_items.id
 306                 AND quantity != 0
 307                 AND grn_batch_id=$grn_batch";
 308         $result = db_query($sql, "Cannot query GRNs");
 309
 310     return (db_num_rows($result) > 0);
 311 }
 312
 313 //----------------------------------------------------------------------------------------------------------
 314
 315 function void_grn($grn_batch)
 316 {
 317         // if this grn is references on any invoices/credit notes, then it
 318         // can't be voided
 319         if (exists_grn_on_invoices($grn_batch))
 320                 return false;
 321
 322         begin_transaction();
 323
 324         void_bank_trans(25, $grn_batch, true);
 325         void_gl_trans(25, $grn_batch, true);
 326
 327         // clear the quantities of the grn items in the POs and invoices
 328         $result = get_grn_items($grn_batch);
 329
 330     if (db_num_rows($result) > 0)
 331     {
 332
 333         while ($myrow = db_fetch($result))
 334         {
 335
 336                 $sql = "UPDATE ".TB_PREF."purch_order_details
 337                 SET quantity_received = quantity_received - " . $myrow["qty_recd"] . "
 338                 WHERE po_detail_item = " . $myrow["po_detail_item"];
 339
 340                 db_query($sql, "a purchase order details record could not be voided.");
 341         }
 342     }
 343
 344         // clear the quantities in the grn items
 345         $sql = "UPDATE ".TB_PREF."grn_items SET qty_recd=0, quantity_inv=0
 346                 WHERE grn_batch_id=$grn_batch";
 347
 348         db_query($sql, "A grn detail item could not be voided.");
 349
 350     // clear the stock move items
 351     void_stock_move(25, $grn_batch);
 352
 353         commit_transaction();
 354
 355         return true;
 356 }
 357
 358 //----------------------------------------------------------------------------------------------------------
 359
 360 ?>