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