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
 132 function get_grn_items($grn_batch_id=0, $supplier_id="", $outstanding_only=false,
 133         $is_invoiced_only=false)
 134 {
 135     $sql = "SELECT ".TB_PREF."grn_batch.*, ".TB_PREF."grn_items.*, ".TB_PREF."purch_order_details.unit_price,
 136                 ".TB_PREF."purch_order_details.std_cost_unit, units
 137         FROM ".TB_PREF."grn_batch, ".TB_PREF."grn_items, ".TB_PREF."purch_order_details, ".TB_PREF."stock_master
 138         WHERE ".TB_PREF."grn_items.grn_batch_id=".TB_PREF."grn_batch.id
 139                 AND ".TB_PREF."grn_items.po_detail_item=".TB_PREF."purch_order_details.po_detail_item
 140         AND ".TB_PREF."stock_master.stock_id=".TB_PREF."grn_items.item_code ";
 141
 142         if ($grn_batch_id != 0)
 143                 $sql .= " AND ".TB_PREF."grn_batch.id=$grn_batch_id AND ".TB_PREF."grn_items.grn_batch_id=$grn_batch_id ";
 144
 145         if ($is_invoiced_only)
 146                 $sql .= " AND ".TB_PREF."grn_items.quantity_inv > 0";
 147
 148         if ($outstanding_only)
 149         $sql .= " AND ".TB_PREF."grn_items.qty_recd - ".TB_PREF."grn_items.quantity_inv > 0";
 150
 151         if ($supplier_id != "")
 152                 $sql .= " AND ".TB_PREF."grn_batch.supplier_id ='$supplier_id' ";
 153
 154         $sql .= " ORDER BY ".TB_PREF."grn_batch.delivery_date, ".TB_PREF."grn_batch.id, ".TB_PREF."grn_items.id";
 155
 156         return db_query($sql, "Could not retreive GRNS");
 157 }
 158
 159 //----------------------------------------------------------------------------------------
 160
 161 // get the details for a given grn item
 162
 163 function get_grn_item_detail($grn_item_no)
 164 {
 165         $sql = "SELECT ".TB_PREF."grn_items.*, ".TB_PREF."purch_order_details.unit_price,
 166         ".TB_PREF."grn_items.qty_recd - ".TB_PREF."grn_items.quantity_inv AS QtyOstdg,
 167         ".TB_PREF."purch_order_details.std_cost_unit
 168                 FROM ".TB_PREF."grn_items, ".TB_PREF."purch_order_details, ".TB_PREF."stock_master
 169                 WHERE ".TB_PREF."grn_items.po_detail_item=".TB_PREF."purch_order_details.po_detail_item
 170                         AND ".TB_PREF."stock_master.stock_id=".TB_PREF."grn_items.item_code
 171                         AND ".TB_PREF."grn_items.id=$grn_item_no";
 172
 173         $result = db_query($sql, "could not retreive grn item details");
 174         return db_fetch($result);
 175 }
 176
 177 //----------------------------------------------------------------------------------------
 178
 179 function read_grn_items_to_order($grn_batch, &$order)
 180 {
 181         $result = get_grn_items($grn_batch);
 182
 183         if (db_num_rows($result) > 0)
 184         {
 185
 186                 while ($myrow = db_fetch($result))
 187                 {
 188
 189                         if (is_null($myrow["units"]))
 190                         {
 191                                 $units = "";
 192                         }
 193                         else
 194                         {
 195                                 $units = $myrow["units"];
 196                         }
 197
 198                         $order->add_to_order($order->lines_on_order+1, $myrow["item_code"],
 199                                 1,$myrow["description"], $myrow["unit_price"],$units,
 200                                 sql2date($myrow["delivery_date"]), $myrow["quantity_inv"],
 201                                 $myrow["qty_recd"]);
 202
 203                         $order->line_items[$order->lines_on_order]->po_detail_rec = $myrow["po_detail_item"];
 204                 } /* line po from purchase order details */
 205         } //end of checks on returned data set
 206 }
 207
 208 //----------------------------------------------------------------------------------------
 209
 210 // read a grn into an order class
 211
 212 function read_grn($grn_batch, &$order)
 213 {
 214         $sql= "SELECT * FROM ".TB_PREF."grn_batch WHERE id=$grn_batch";
 215
 216         $result = db_query($sql, "The grn sent is not valid");
 217
 218         $row = db_fetch($result);
 219         $po_number = $row["purch_order_no"];
 220
 221         $result = read_po_header($po_number, $order);
 222
 223         if ($result)
 224         {
 225
 226                 $order->orig_order_date = sql2date($row["delivery_date"]);
 227                 $order->location = $row["loc_code"];
 228                 $order->reference = $row["reference"];
 229
 230                 read_grn_items_to_order($grn_batch, $order);
 231         }
 232 }
 233
 234 //----------------------------------------------------------------------------------------------------------
 235
 236 // get the GRNs (batch info not details) for a given po number
 237
 238 function get_po_grns($po_number)
 239 {
 240     $sql = "SELECT * FROM ".TB_PREF."grn_batch WHERE purch_order_no=$po_number";
 241
 242         return db_query($sql, "The grns for the po $po_number could not be retreived");
 243 }
 244
 245 //----------------------------------------------------------------------------------------------------------
 246
 247 function exists_grn($grn_batch)
 248 {
 249         $sql = "SELECT id FROM ".TB_PREF."grn_batch WHERE id=$grn_batch";
 250         $result = db_query($sql, "Cannot retreive a grn");
 251
 252     return (db_num_rows($result) > 0);
 253 }
 254
 255 //----------------------------------------------------------------------------------------------------------
 256
 257 function exists_grn_on_invoices($grn_batch)
 258 {
 259         $sql = "SELECT ".TB_PREF."supp_invoice_items.id FROM ".TB_PREF."supp_invoice_items,".TB_PREF."grn_items
 260                 WHERE ".TB_PREF."supp_invoice_items.grn_item_id=".TB_PREF."grn_items.id
 261                 AND quantity != 0
 262                 AND grn_batch_id=$grn_batch";
 263         $result = db_query($sql, "Cannot query GRNs");
 264
 265     return (db_num_rows($result) > 0);
 266 }
 267
 268 //----------------------------------------------------------------------------------------------------------
 269
 270 function void_grn($grn_batch)
 271 {
 272         // if this grn is references on any invoices/credit notes, then it
 273         // can't be voided
 274         if (exists_grn_on_invoices($grn_batch))
 275                 return false;
 276
 277         begin_transaction();
 278
 279         void_bank_trans(25, $grn_batch, true);
 280         void_gl_trans(25, $grn_batch, true);
 281
 282         // clear the quantities of the grn items in the POs and invoices
 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                 $sql = "UPDATE ".TB_PREF."purch_order_details
 292                 SET quantity_received = quantity_received - " . $myrow["qty_recd"] . "
 293                 WHERE po_detail_item = " . $myrow["po_detail_item"];
 294
 295                 db_query($sql, "a purchase order details record could not be voided.");
 296         }
 297     }
 298
 299         // clear the quantities in the grn items
 300         $sql = "UPDATE ".TB_PREF."grn_items SET qty_recd=0, quantity_inv=0
 301                 WHERE grn_batch_id=$grn_batch";
 302
 303         db_query($sql, "A grn detail item could not be voided.");
 304
 305     // clear the stock move items
 306     void_stock_move(25, $grn_batch);
 307
 308         commit_transaction();
 309
 310         return true;
 311 }
 312
 313 //----------------------------------------------------------------------------------------------------------
 314
 315 ?>