purchasing/includes/db/grn_db.inc

   1 <?php
   2
   3 //-------------------------------------------------------------------------------------------------------------
   4
   5 function add_grn(&$po, $date_, $reference, $location)
   6 {
   7         begin_transaction();
   8
   9         $grn = add_grn_batch($po->order_no, $po->supplier_id, $reference, $location, $date_);
  10
  11         foreach ($po->line_items as $order_line)
  12         {
  13
  14                 if ($order_line->receive_qty != 0 && $order_line->receive_qty != "" && isset($order_line->receive_qty))
  15                 {
  16
  17                         /*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*/
  18
  19                         if ($order_line->qty_received == 0)
  20                         {
  21                                 /*This must be the first receipt of goods against this line */
  22                                 /*Need to get the standard cost as it is now so we can process GL jorunals later*/
  23                                 $order_line->standard_cost = get_standard_cost($order_line->stock_id);
  24                         }
  25
  26                         //------------------- update average material cost ------------------------------------------ Joe Hunt Mar-03-2008
  27                         $currency = get_supplier_currency($po->supplier_id);
  28                         if ($currency != null)
  29                                 $price_in_home_currency = to_home_currency($order_line->price, $currency, $date_);
  30                         else
  31                                 $price_in_home_currency = $order_line->price;
  32                         $sql = "SELECT material_cost FROM ".TB_PREF."stock_master WHERE stock_id='$order_line->stock_id'";
  33                         $result = db_query($sql);
  34                         $myrow = db_fetch($result);
  35                         $material_cost = $myrow['material_cost'];
  36                         $qoh = get_qoh_on_date($order_line->stock_id, null, $date_);
  37                         if ($qoh + $order_line->receive_qty <= 0)
  38                                 $material_cost = 0;
  39                         else
  40                                 $material_cost = ($qoh * $material_cost + $order_line->receive_qty * $price_in_home_currency) /
  41                                         ($qoh + $order_line->receive_qty);
  42                         $sql = "UPDATE ".TB_PREF."stock_master SET material_cost=".db_escape($material_cost)."
  43                                 WHERE stock_id='$order_line->stock_id'";
  44                         db_query($sql,"The cost details for the inventory item could not be updated");
  45                         //----------------------------------------------------------------------------------------------------------------
  46
  47                         /*Need to insert a grn item */
  48
  49                         $grn_item = add_grn_detail_item($grn, $order_line->po_detail_rec,
  50                                 $order_line->stock_id, $order_line->item_description,
  51                                 $order_line->standard_cost,     $order_line->receive_qty);
  52
  53                         /* Update location stock records - NB  a po cannot be entered for a service/kit parts */
  54
  55             add_stock_move(25, $order_line->stock_id, $grn, $location, $date_, "",
  56                 $order_line->receive_qty, $order_line->standard_cost,
  57                 $po->supplier_id, 1, $order_line->price);
  58
  59                 } /*quantity received is != 0 */
  60         } /*end of order_line loop */
  61
  62         references::save_last($reference, 25);
  63
  64         commit_transaction();
  65
  66         return $grn;
  67 }
  68
  69 //----------------------------------------------------------------------------------------
  70
  71 function add_grn_batch($po_number, $supplier_id, $reference, $location, $date_)
  72 {
  73         $date = date2sql($date_);
  74
  75         $sql = "INSERT INTO ".TB_PREF."grn_batch (purch_order_no, delivery_date, supplier_id, reference, loc_code)
  76                         VALUES (".db_escape($po_number).", ".db_escape($date).", "
  77                         .db_escape($supplier_id).", ".db_escape($reference).", ".db_escape($location).")";
  78
  79         db_query($sql, "A grn batch record could not be inserted.");
  80
  81         return db_insert_id();
  82 }
  83
  84 //-------------------------------------------------------------------------------------------------------------
  85
  86 function add_grn_detail_item($grn_batch_id, $po_detail_item, $item_code, $description, $standard_unit_cost,
  87         $quantity_received)
  88 {
  89         $sql = "UPDATE ".TB_PREF."purch_order_details
  90         SET quantity_received = quantity_received + $quantity_received,
  91         std_cost_unit=$standard_unit_cost
  92         WHERE po_detail_item = $po_detail_item";
  93
  94         db_query($sql, "a purchase order details record could not be updated. This receipt of goods has not been processed ");
  95
  96         $sql = "INSERT INTO ".TB_PREF."grn_items (grn_batch_id, po_detail_item, item_code, description, qty_recd)
  97                 VALUES ($grn_batch_id, $po_detail_item, ".db_escape($item_code).", ".db_escape($description).", $quantity_received)";
  98
  99         db_query($sql, "A GRN detail item could not be inserted.");
 100
 101         return db_insert_id();
 102 }
 103
 104 //----------------------------------------------------------------------------------------
 105
 106 function get_grn_items($grn_batch_id=0, $supplier_id="", $outstanding_only=false,
 107         $is_invoiced_only=false)
 108 {
 109     $sql = "SELECT ".TB_PREF."grn_batch.*, ".TB_PREF."grn_items.*, ".TB_PREF."purch_order_details.unit_price,
 110                 ".TB_PREF."purch_order_details.std_cost_unit, units
 111         FROM ".TB_PREF."grn_batch, ".TB_PREF."grn_items, ".TB_PREF."purch_order_details, ".TB_PREF."stock_master
 112         WHERE ".TB_PREF."grn_items.grn_batch_id=".TB_PREF."grn_batch.id
 113                 AND ".TB_PREF."grn_items.po_detail_item=".TB_PREF."purch_order_details.po_detail_item
 114         AND ".TB_PREF."stock_master.stock_id=".TB_PREF."grn_items.item_code ";
 115
 116         if ($grn_batch_id != 0)
 117                 $sql .= " AND ".TB_PREF."grn_batch.id=$grn_batch_id AND ".TB_PREF."grn_items.grn_batch_id=$grn_batch_id ";
 118
 119         if ($is_invoiced_only)
 120                 $sql .= " AND ".TB_PREF."grn_items.quantity_inv > 0";
 121
 122         if ($outstanding_only)
 123         $sql .= " AND ".TB_PREF."grn_items.qty_recd - ".TB_PREF."grn_items.quantity_inv > 0";
 124
 125         if ($supplier_id != "")
 126                 $sql .= " AND ".TB_PREF."grn_batch.supplier_id ='$supplier_id' ";
 127
 128         $sql .= " ORDER BY ".TB_PREF."grn_batch.delivery_date, ".TB_PREF."grn_batch.id, ".TB_PREF."grn_items.id";
 129
 130         return db_query($sql, "Could not retreive GRNS");
 131 }
 132
 133 //----------------------------------------------------------------------------------------
 134
 135 // get the details for a given grn item
 136
 137 function get_grn_item_detail($grn_item_no)
 138 {
 139         $sql = "SELECT ".TB_PREF."grn_items.*, ".TB_PREF."purch_order_details.unit_price,
 140         ".TB_PREF."grn_items.qty_recd - ".TB_PREF."grn_items.quantity_inv AS QtyOstdg,
 141         ".TB_PREF."purch_order_details.std_cost_unit
 142                 FROM ".TB_PREF."grn_items, ".TB_PREF."purch_order_details, ".TB_PREF."stock_master
 143                 WHERE ".TB_PREF."grn_items.po_detail_item=".TB_PREF."purch_order_details.po_detail_item
 144                         AND ".TB_PREF."stock_master.stock_id=".TB_PREF."grn_items.item_code
 145                         AND ".TB_PREF."grn_items.id=$grn_item_no";
 146
 147         $result = db_query($sql, "could not retreive grn item details");
 148         return db_fetch($result);
 149 }
 150
 151 //----------------------------------------------------------------------------------------
 152
 153 function read_grn_items_to_order($grn_batch, &$order)
 154 {
 155         $result = get_grn_items($grn_batch);
 156
 157         if (db_num_rows($result) > 0)
 158         {
 159
 160                 while ($myrow = db_fetch($result))
 161                 {
 162
 163                         if (is_null($myrow["units"]))
 164                         {
 165                                 $units = "";
 166                         }
 167                         else
 168                         {
 169                                 $units = $myrow["units"];
 170                         }
 171
 172                         $order->add_to_order($order->lines_on_order+1, $myrow["item_code"],
 173                                 1,$myrow["description"], $myrow["unit_price"],$units,
 174                                 sql2date($myrow["delivery_date"]), $myrow["quantity_inv"],
 175                                 $myrow["qty_recd"]);
 176
 177                         $order->line_items[$order->lines_on_order]->po_detail_rec = $myrow["po_detail_item"];
 178                 } /* line po from purchase order details */
 179         } //end of checks on returned data set
 180 }
 181
 182 //----------------------------------------------------------------------------------------
 183
 184 // read a grn into an order class
 185
 186 function read_grn($grn_batch, &$order)
 187 {
 188         $sql= "SELECT * FROM ".TB_PREF."grn_batch WHERE id=$grn_batch";
 189
 190         $result = db_query($sql, "The grn sent is not valid");
 191
 192         $row = db_fetch($result);
 193         $po_number = $row["purch_order_no"];
 194
 195         $result = read_po_header($po_number, $order);
 196
 197         if ($result)
 198         {
 199
 200                 $order->orig_order_date = sql2date($row["delivery_date"]);
 201                 $order->location = $row["loc_code"];
 202                 $order->reference = $row["reference"];
 203
 204                 read_grn_items_to_order($grn_batch, $order);
 205         }
 206 }
 207
 208 //----------------------------------------------------------------------------------------------------------
 209
 210 // get the GRNs (batch info not details) for a given po number
 211
 212 function get_po_grns($po_number)
 213 {
 214     $sql = "SELECT * FROM ".TB_PREF."grn_batch WHERE purch_order_no=$po_number";
 215
 216         return db_query($sql, "The grns for the po $po_number could not be retreived");
 217 }
 218
 219 //----------------------------------------------------------------------------------------------------------
 220
 221 function exists_grn($grn_batch)
 222 {
 223         $sql = "SELECT id FROM ".TB_PREF."grn_batch WHERE id=$grn_batch";
 224         $result = db_query($sql, "Cannot retreive a grn");
 225
 226     return (db_num_rows($result) > 0);
 227 }
 228
 229 //----------------------------------------------------------------------------------------------------------
 230
 231 function exists_grn_on_invoices($grn_batch)
 232 {
 233         $sql = "SELECT ".TB_PREF."supp_invoice_items.id FROM ".TB_PREF."supp_invoice_items,".TB_PREF."grn_items
 234                 WHERE ".TB_PREF."supp_invoice_items.grn_item_id=".TB_PREF."grn_items.id
 235                 AND quantity != 0
 236                 AND grn_batch_id=$grn_batch";
 237         $result = db_query($sql, "Cannot query GRNs");
 238
 239     return (db_num_rows($result) > 0);
 240 }
 241
 242 //----------------------------------------------------------------------------------------------------------
 243
 244 function void_grn($grn_batch)
 245 {
 246         // if this grn is references on any invoices/credit notes, then it
 247         // can't be voided
 248         if (exists_grn_on_invoices($grn_batch))
 249                 return false;
 250
 251         begin_transaction();
 252
 253         void_bank_trans(25, $grn_batch, true);
 254         void_gl_trans(25, $grn_batch, true);
 255
 256         // clear the quantities of the grn items in the POs and invoices
 257         $result = get_grn_items($grn_batch);
 258
 259     if (db_num_rows($result) > 0)
 260     {
 261
 262         while ($myrow = db_fetch($result))
 263         {
 264
 265                 $sql = "UPDATE ".TB_PREF."purch_order_details
 266                 SET quantity_received = quantity_received - " . $myrow["qty_recd"] . "
 267                 WHERE po_detail_item = " . $myrow["po_detail_item"];
 268
 269                 db_query($sql, "a purchase order details record could not be voided.");
 270         }
 271     }
 272
 273         // clear the quantities in the grn items
 274         $sql = "UPDATE ".TB_PREF."grn_items SET qty_recd=0, quantity_inv=0
 275                 WHERE grn_batch_id=$grn_batch";
 276
 277         db_query($sql, "A grn detail item could not be voided.");
 278
 279     // clear the stock move items
 280     void_stock_move(25, $grn_batch);
 281
 282         commit_transaction();
 283
 284         return true;
 285 }
 286
 287 //----------------------------------------------------------------------------------------------------------
 288
 289 ?>