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
  72
  73                         /*Need to insert a grn item */
  74
  75                         $grn_item = add_grn_detail_item($grn, $order_line->po_detail_rec,
  76                                 $order_line->stock_id, $order_line->item_description,
  77                                 $order_line->standard_cost,     $order_line->receive_qty, $order_line->price);
  78
  79                         /* Update location stock records - NB  a po cannot be entered for a service/kit parts */
  80             add_stock_move(25, $order_line->stock_id, $grn, $location, $date_, "",
  81                 $order_line->receive_qty, $order_line->standard_cost,
  82                 $po->supplier_id, 1, $order_line->price);
  83
  84                 } /*quantity received is != 0 */
  85         } /*end of order_line loop */
  86
  87         references::save_last($reference, 25);
  88
  89         commit_transaction();
  90
  91         return $grn;
  92 }
  93
  94 //----------------------------------------------------------------------------------------
  95
  96 function add_grn_batch($po_number, $supplier_id, $reference, $location, $date_)
  97 {
  98         $date = date2sql($date_);
  99
 100         $sql = "INSERT INTO ".TB_PREF."grn_batch (purch_order_no, delivery_date, supplier_id, reference, loc_code)
 101                         VALUES (".db_escape($po_number).", ".db_escape($date).", "
 102                         .db_escape($supplier_id).", ".db_escape($reference).", ".db_escape($location).")";
 103
 104         db_query($sql, "A grn batch record could not be inserted.");
 105
 106         return db_insert_id();
 107 }
 108
 109 //-------------------------------------------------------------------------------------------------------------
 110
 111 function add_grn_detail_item($grn_batch_id, $po_detail_item, $item_code, $description, $standard_unit_cost,
 112         $quantity_received, $price)
 113 {
 114         $sql = "UPDATE ".TB_PREF."purch_order_details
 115         SET quantity_received = quantity_received + $quantity_received,
 116         std_cost_unit=$standard_unit_cost,
 117         act_price=$price
 118         WHERE po_detail_item = $po_detail_item";
 119
 120         db_query($sql, "a purchase order details record could not be updated. This receipt of goods has not been processed ");
 121
 122         $sql = "INSERT INTO ".TB_PREF."grn_items (grn_batch_id, po_detail_item, item_code, description, qty_recd)
 123                 VALUES ($grn_batch_id, $po_detail_item, ".db_escape($item_code).", ".db_escape($description).", $quantity_received)";
 124
 125         db_query($sql, "A GRN detail item could not be inserted.");
 126
 127         return db_insert_id();
 128 }
 129
 130 //----------------------------------------------------------------------------------------
 131 function get_grn_batch_from_item($item)
 132 {
 133         $sql = "SELECT grn_batch_id FROM ".TB_PREF."grn_items WHERE id=$item";
 134         $result = db_query($sql, "Could not retreive GRN batch id");
 135         $row = db_fetch_row($result);
 136         return $row[0];
 137 }
 138
 139 function set_grn_item_credited(&$entered_grn, $supplier, $transno, $date)
 140 {
 141         $mcost = update_average_material_cost($supplier, $entered_grn->item_code,
 142                 $entered_grn->chg_price, $entered_grn->this_quantity_inv, $date);
 143
 144         $sql = "SELECT ".TB_PREF."grn_batch.*, ".TB_PREF."grn_items.*
 145         FROM ".TB_PREF."grn_batch, ".TB_PREF."grn_items
 146         WHERE ".TB_PREF."grn_items.grn_batch_id=".TB_PREF."grn_batch.id
 147                 AND ".TB_PREF."grn_items.id=$entered_grn->id
 148         AND ".TB_PREF."grn_items.item_code='$entered_grn->item_code' ";
 149         $result = db_query($sql, "Could not retreive GRNS");
 150         $myrow = db_fetch($result);
 151
 152         $sql = "UPDATE ".TB_PREF."purch_order_details
 153         SET quantity_received = quantity_received + $entered_grn->this_quantity_inv,
 154         std_cost_unit=$mcost,
 155         act_price=$entered_grn->chg_price
 156         WHERE po_detail_item = ".$myrow["po_detail_item"];
 157         db_query($sql, "a purchase order details record could not be updated. This receipt of goods has not been processed ");
 158
 159         //$sql = "UPDATE ".TB_PREF."grn_items SET qty_recd=0, quantity_inv=0 WHERE id=$entered_grn->id";
 160         $sql = "UPDATE ".TB_PREF."grn_items SET qty_recd=qty_recd+$entered_grn->this_quantity_inv,
 161                 quantity_inv=quantity_inv+$entered_grn->this_quantity_inv WHERE id=$entered_grn->id";
 162         db_query($sql);
 163
 164     add_stock_move(21, $entered_grn->item_code, $transno, $myrow['loc_code'], $date, "",
 165         $entered_grn->this_quantity_inv, $mcost, $supplier, 1, $entered_grn->chg_price);
 166 }
 167
 168 function get_grn_items($grn_batch_id=0, $supplier_id="", $outstanding_only=false,
 169         $is_invoiced_only=false)
 170 {
 171     $sql = "SELECT ".TB_PREF."grn_batch.*, ".TB_PREF."grn_items.*, ".TB_PREF."purch_order_details.unit_price,
 172                 ".TB_PREF."purch_order_details.std_cost_unit, units
 173         FROM ".TB_PREF."grn_batch, ".TB_PREF."grn_items, ".TB_PREF."purch_order_details, ".TB_PREF."stock_master
 174         WHERE ".TB_PREF."grn_items.grn_batch_id=".TB_PREF."grn_batch.id
 175                 AND ".TB_PREF."grn_items.po_detail_item=".TB_PREF."purch_order_details.po_detail_item
 176         AND ".TB_PREF."stock_master.stock_id=".TB_PREF."grn_items.item_code ";
 177
 178         if ($grn_batch_id != 0)
 179                 $sql .= " AND ".TB_PREF."grn_batch.id=$grn_batch_id AND ".TB_PREF."grn_items.grn_batch_id=$grn_batch_id ";
 180
 181         if ($is_invoiced_only)
 182                 $sql .= " AND ".TB_PREF."grn_items.quantity_inv > 0";
 183
 184         if ($outstanding_only)
 185         $sql .= " AND ".TB_PREF."grn_items.qty_recd - ".TB_PREF."grn_items.quantity_inv > 0";
 186
 187         if ($supplier_id != "")
 188                 $sql .= " AND ".TB_PREF."grn_batch.supplier_id ='$supplier_id' ";
 189
 190         $sql .= " ORDER BY ".TB_PREF."grn_batch.delivery_date, ".TB_PREF."grn_batch.id, ".TB_PREF."grn_items.id";
 191
 192         return db_query($sql, "Could not retreive GRNS");
 193 }
 194
 195 //----------------------------------------------------------------------------------------
 196
 197 // get the details for a given grn item
 198
 199 function get_grn_item_detail($grn_item_no)
 200 {
 201         $sql = "SELECT ".TB_PREF."grn_items.*, ".TB_PREF."purch_order_details.unit_price,
 202         ".TB_PREF."grn_items.qty_recd - ".TB_PREF."grn_items.quantity_inv AS QtyOstdg,
 203         ".TB_PREF."purch_order_details.std_cost_unit
 204                 FROM ".TB_PREF."grn_items, ".TB_PREF."purch_order_details, ".TB_PREF."stock_master
 205                 WHERE ".TB_PREF."grn_items.po_detail_item=".TB_PREF."purch_order_details.po_detail_item
 206                         AND ".TB_PREF."stock_master.stock_id=".TB_PREF."grn_items.item_code
 207                         AND ".TB_PREF."grn_items.id=$grn_item_no";
 208
 209         $result = db_query($sql, "could not retreive grn item details");
 210         return db_fetch($result);
 211 }
 212
 213 //----------------------------------------------------------------------------------------
 214
 215 function read_grn_items_to_order($grn_batch, &$order)
 216 {
 217         $result = get_grn_items($grn_batch);
 218
 219         if (db_num_rows($result) > 0)
 220         {
 221
 222                 while ($myrow = db_fetch($result))
 223                 {
 224
 225                         if (is_null($myrow["units"]))
 226                         {
 227                                 $units = "";
 228                         }
 229                         else
 230                         {
 231                                 $units = $myrow["units"];
 232                         }
 233
 234                         $order->add_to_order($order->lines_on_order+1, $myrow["item_code"],
 235                                 1,$myrow["description"], $myrow["unit_price"],$units,
 236                                 sql2date($myrow["delivery_date"]), $myrow["quantity_inv"],
 237                                 $myrow["qty_recd"]);
 238
 239                         $order->line_items[$order->lines_on_order]->po_detail_rec = $myrow["po_detail_item"];
 240                 } /* line po from purchase order details */
 241         } //end of checks on returned data set
 242 }
 243
 244 //----------------------------------------------------------------------------------------
 245
 246 // read a grn into an order class
 247
 248 function read_grn($grn_batch, &$order)
 249 {
 250         $sql= "SELECT * FROM ".TB_PREF."grn_batch WHERE id=$grn_batch";
 251
 252         $result = db_query($sql, "The grn sent is not valid");
 253
 254         $row = db_fetch($result);
 255         $po_number = $row["purch_order_no"];
 256
 257         $result = read_po_header($po_number, $order);
 258
 259         if ($result)
 260         {
 261
 262                 $order->orig_order_date = sql2date($row["delivery_date"]);
 263                 $order->location = $row["loc_code"];
 264                 $order->reference = $row["reference"];
 265
 266                 read_grn_items_to_order($grn_batch, $order);
 267         }
 268 }
 269
 270 //----------------------------------------------------------------------------------------------------------
 271
 272 // get the GRNs (batch info not details) for a given po number
 273
 274 function get_po_grns($po_number)
 275 {
 276     $sql = "SELECT * FROM ".TB_PREF."grn_batch WHERE purch_order_no=$po_number";
 277
 278         return db_query($sql, "The grns for the po $po_number could not be retreived");
 279 }
 280
 281 //----------------------------------------------------------------------------------------------------------
 282
 283 function exists_grn($grn_batch)
 284 {
 285         $sql = "SELECT id FROM ".TB_PREF."grn_batch WHERE id=$grn_batch";
 286         $result = db_query($sql, "Cannot retreive a grn");
 287
 288     return (db_num_rows($result) > 0);
 289 }
 290
 291 //----------------------------------------------------------------------------------------------------------
 292
 293 function exists_grn_on_invoices($grn_batch)
 294 {
 295         $sql = "SELECT ".TB_PREF."supp_invoice_items.id FROM ".TB_PREF."supp_invoice_items,".TB_PREF."grn_items
 296                 WHERE ".TB_PREF."supp_invoice_items.grn_item_id=".TB_PREF."grn_items.id
 297                 AND quantity != 0
 298                 AND grn_batch_id=$grn_batch";
 299         $result = db_query($sql, "Cannot query GRNs");
 300
 301     return (db_num_rows($result) > 0);
 302 }
 303
 304 //----------------------------------------------------------------------------------------------------------
 305
 306 function void_grn($grn_batch)
 307 {
 308         // if this grn is references on any invoices/credit notes, then it
 309         // can't be voided
 310         if (exists_grn_on_invoices($grn_batch))
 311                 return false;
 312
 313         begin_transaction();
 314
 315         void_bank_trans(25, $grn_batch, true);
 316         void_gl_trans(25, $grn_batch, true);
 317
 318         // clear the quantities of the grn items in the POs and invoices
 319         $result = get_grn_items($grn_batch);
 320
 321     if (db_num_rows($result) > 0)
 322     {
 323
 324         while ($myrow = db_fetch($result))
 325         {
 326
 327                 $sql = "UPDATE ".TB_PREF."purch_order_details
 328                 SET quantity_received = quantity_received - " . $myrow["qty_recd"] . "
 329                 WHERE po_detail_item = " . $myrow["po_detail_item"];
 330
 331                 db_query($sql, "a purchase order details record could not be voided.");
 332         }
 333     }
 334
 335         // clear the quantities in the grn items
 336         $sql = "UPDATE ".TB_PREF."grn_items SET qty_recd=0, quantity_inv=0
 337                 WHERE grn_batch_id=$grn_batch";
 338
 339         db_query($sql, "A grn detail item could not be voided.");
 340
 341     // clear the stock move items
 342     void_stock_move(25, $grn_batch);
 343
 344         commit_transaction();
 345
 346         return true;
 347 }
 348
 349 //----------------------------------------------------------------------------------------------------------
 350
 351 ?>