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