includes/db/inventory_db.inc

   1 <?php
   2 /**********************************************************************
   3     Copyright (C) FrontAccounting, LLC.
   4         Released under the terms of the GNU General Public License, GPL,
   5         as published by the Free Software Foundation, either version 3
   6         of the License, or (at your option) any later version.
   7     This program is distributed in the hope that it will be useful,
   8     but WITHOUT ANY WARRANTY; without even the implied warranty of
   9     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
  10     See the License here <http://www.gnu.org/licenses/gpl-3.0.html>.
  11 ***********************************************************************/
  12 function get_qoh_on_date($stock_id, $location=null, $date_=null, $exclude=0)
  13 {
  14         if ($date_ == null)
  15                 $date_ = Today();
  16
  17         $date = date2sql($date_);
  18
  19         $sql = "SELECT SUM(qty) FROM ".TB_PREF."stock_moves
  20                 WHERE stock_id=".db_escape($stock_id)."
  21                 AND tran_date <= '$date'";
  22
  23         if ($location != null)
  24                 $sql .= " AND loc_code = ".db_escape($location);
  25
  26         $result = db_query($sql, "QOH calulcation failed");
  27
  28         $myrow = db_fetch_row($result);
  29         if ($exclude > 0)
  30         {
  31                 $sql = "SELECT SUM(qty) FROM ".TB_PREF."stock_moves
  32                         WHERE stock_id=".db_escape($stock_id)
  33                         ." AND type=".db_escape($exclude)
  34                         ." AND tran_date = '$date'";
  35
  36                 $result = db_query($sql, "QOH calulcation failed");
  37                 $myrow2 = db_fetch_row($result);
  38                 if ($myrow2 !== false)
  39                         $myrow[0] -= $myrow2[0];
  40         }
  41
  42         return $myrow[0];
  43 }
  44
  45 //--------------------------------------------------------------------------------------
  46
  47 function get_item_edit_info($stock_id)
  48 {
  49         $sql = "SELECT material_cost + labour_cost + overhead_cost AS standard_cost, units, decimals
  50                 FROM ".TB_PREF."stock_master,".TB_PREF."item_units
  51                 WHERE stock_id=".db_escape($stock_id)
  52                 ." AND ".TB_PREF."stock_master.units=".TB_PREF."item_units.abbr";
  53         $result = db_query($sql, "The standard cost cannot be retrieved");
  54
  55         return db_fetch($result);
  56 }
  57
  58 //--------------------------------------------------------------------------------------
  59
  60 function get_standard_cost($stock_id)
  61 {
  62         $sql = "SELECT IF(s.mb_flag='D', 0, material_cost + labour_cost + overhead_cost) AS std_cost
  63                 FROM ".TB_PREF."stock_master s WHERE stock_id=".db_escape($stock_id);
  64         $result = db_query($sql, "The standard cost cannot be retrieved");
  65
  66         $myrow = db_fetch_row($result);
  67
  68         return $myrow[0];
  69 }
  70
  71 //--------------------------------------------------------------------------------------
  72
  73 function is_inventory_item($stock_id)
  74 {
  75         $sql = "SELECT stock_id FROM ".TB_PREF."stock_master
  76                 WHERE stock_id=".db_escape($stock_id)." AND mb_flag <> 'D'";
  77         $result = db_query($sql, "Cannot query is inventory item or not");
  78
  79         return db_num_rows($result) > 0;
  80 }
  81
  82 //-------------------------------------------------------------------
  83
  84 function last_negative_stock_begin_date($stock_id, $to)
  85 {
  86         $to = date2sql($to);
  87         $sql ="SET @q = 0";
  88         db_query($sql);
  89         $sql = "SET @flag = 0";
  90         db_query($sql);
  91         $sql = "SELECT SUM(qty), @q:= @q + qty, IF(@q < 0 AND @flag=0, @flag:=1,@flag:=0), IF(@q < 0 AND @flag=1, tran_date,'') AS begin_date
  92                 FROM ".TB_PREF."stock_moves
  93                 WHERE stock_id=".db_escape($stock_id)." AND tran_date<='$to'
  94                 AND qty <> 0
  95                 GROUP BY stock_id ORDER BY tran_date";
  96
  97         $result = db_query($sql, "The dstock moves could not be retrieved");
  98         $row = db_fetch_row($result);
  99         return $row[3];
 100 }
 101
 102 //-------------------------------------------------------------------
 103
 104 function get_deliveries_between($stock_id, $from, $to)
 105 {
 106         $from = date2sql($from);
 107         $to = date2sql($to);
 108         $sql = "SELECT SUM(-qty), SUM(-qty*standard_cost) FROM ".TB_PREF."stock_moves
 109                 WHERE type=".ST_CUSTDELIVERY." AND stock_id=".db_escape($stock_id)." AND
 110                         tran_date>='$from' AND tran_date<='$to' GROUP BY stock_id";
 111
 112         $result = db_query($sql, "The deliveries could not be updated");
 113         return db_fetch_row($result);
 114 }
 115
 116 //-------------------------------------------------------------------
 117
 118 function adjust_deliveries($stock_id, $material_cost, $to)
 119 {
 120         if (!is_inventory_item($stock_id))
 121                 return;
 122         $from = last_negative_stock_begin_date($stock_id, $to);
 123         if ($from == false || $from == "")
 124                 return;
 125         $from = sql2date($from);
 126         $row = get_deliveries_between($stock_id, $from, $to);
 127         if ($row == false)
 128                 return;
 129         $old_cost = $row[1];
 130         $new_cost = $row[0] * $material_cost;
 131         $diff = $new_cost - $old_cost;
 132         if ($diff != 0)
 133         {
 134                 $update_no = get_next_trans_no(ST_COSTUPDATE);
 135                 if (!is_date_in_fiscalyear($to))
 136                         $to = end_fiscalyear();
 137
 138                 $stock_gl_code = get_stock_gl_code($stock_id);
 139
 140                 $memo_ = _("Cost was ") . $old_cost . _(" changed to ") . $new_cost . _(" for item ")."'$stock_id'";
 141                 add_gl_trans_std_cost(ST_COSTUPDATE, $update_no, $to, $stock_gl_code["cogs_account"],
 142                         $stock_gl_code["dimension_id"], $stock_gl_code["dimension2_id"], $memo_, $diff);
 143
 144                 add_gl_trans_std_cost(ST_COSTUPDATE, $update_no, $to, $stock_gl_code["inventory_account"], 0, 0, $memo_,
 145                         -$diff);
 146                 add_audit_trail(ST_COSTUPDATE, $update_no, $to);
 147         }
 148 }
 149
 150 function get_stock_gl_code($stock_id)
 151 {
 152         /*Gets the GL Codes relevant to the item account  */
 153
 154         $sql = "SELECT inventory_account, cogs_account,
 155                 adjustment_account, sales_account, assembly_account, dimension_id, dimension2_id FROM
 156                 ".TB_PREF."stock_master WHERE stock_id = ".db_escape($stock_id);
 157
 158         $get = db_query($sql,"retreive stock gl code");
 159         return db_fetch($get);
 160 }
 161
 162 //--------------------------------------------------------------------------------------
 163
 164 // $date_ - display / non-sql date
 165 // $std_cost - in HOME currency
 166 // $show_or_hide - wil this move be visible in reports, etc
 167 // $price - in $person_id's currency
 168
 169 function add_stock_move($type, $stock_id, $trans_no, $location,
 170     $date_, $reference, $quantity, $std_cost, $person_id=0, $show_or_hide=1,
 171     $price=0, $discount_percent=0, $error_msg="")
 172 {
 173         // do not add a stock move if it's a non-inventory item
 174         if (!is_inventory_item($stock_id))
 175                 return null;
 176
 177         $date = date2sql($date_);
 178
 179         $sql = "INSERT INTO ".TB_PREF."stock_moves (stock_id, trans_no, type, loc_code,
 180                 tran_date, person_id, reference, qty, standard_cost, visible, price,
 181                 discount_percent) VALUES (".db_escape($stock_id)
 182                 .", ".db_escape($trans_no).", ".db_escape($type)
 183                 .",     ".db_escape($location).", '$date', "
 184                 .db_escape($person_id).", ".db_escape($reference).", "
 185                 .db_escape($quantity).", ".db_escape($std_cost).","
 186                 .db_escape($show_or_hide).", ".db_escape($price).", "
 187                 .db_escape($discount_percent).")";
 188
 189         if ($error_msg == "")
 190                 $error_msg = "The stock movement record cannot be inserted";
 191
 192         db_query($sql, $error_msg);
 193
 194         return db_insert_id();
 195 }
 196
 197 function update_stock_move_pid($type, $stock_id, $from, $to, $pid, $cost)
 198 {
 199         $from = date2sql($from);
 200         $to = date2sql($to);
 201                 $sql = "UPDATE ".TB_PREF."stock_moves SET standard_cost=".db_escape($cost)
 202                         ." WHERE type=".db_escape($type)
 203                         ."      AND stock_id=".db_escape($stock_id)
 204                         ."  AND tran_date>='$from' AND tran_date<='$to'
 205                         AND person_id = ".db_escape($pid);
 206         db_query($sql, "The stock movement standard_cost cannot be updated");
 207 }
 208
 209 //--------------------------------------------------------------------------------------------------
 210
 211 function get_stock_moves($type, $type_no, $visible=false)
 212 {
 213         $sql = "SELECT ".TB_PREF."stock_moves.*, ".TB_PREF."stock_master.description, "
 214                 .TB_PREF."stock_master.units,".TB_PREF."locations.location_name,"
 215                 .TB_PREF."stock_master.material_cost + "
 216                         .TB_PREF."stock_master.labour_cost + "
 217                         .TB_PREF."stock_master.overhead_cost AS FixedStandardCost
 218                 FROM ".TB_PREF."stock_moves,".TB_PREF."locations,".TB_PREF."stock_master
 219                 WHERE ".TB_PREF."stock_moves.stock_id = ".TB_PREF."stock_master.stock_id
 220                 AND ".TB_PREF."locations.loc_code=".TB_PREF."stock_moves.loc_code
 221                 AND type=".db_escape($type)." AND trans_no=".db_escape($type_no)." ORDER BY trans_id";
 222         if ($visible)
 223                 $sql .= " AND ".TB_PREF."stock_moves.visible=1";
 224
 225         return db_query($sql, "Could not get stock moves");
 226 }
 227
 228 //--------------------------------------------------------------------------------------------------
 229
 230 function void_stock_move($type, $type_no)
 231 {
 232         $sql = "UPDATE ".TB_PREF."stock_moves SET qty=0, price=0, discount_percent=0,
 233                 standard_cost=0 WHERE type=".db_escape($type)." AND trans_no=".db_escape($type_no);
 234
 235         db_query($sql, "Could not void stock moves");
 236 }
 237
 238 //--------------------------------------------------------------------------------------------------
 239
 240 function get_location_name($loc_code)
 241 {
 242         $sql = "SELECT location_name FROM ".TB_PREF."locations WHERE loc_code="
 243                 .db_escape($loc_code);
 244
 245         $result = db_query($sql, "could not retreive the location name for $loc_code");
 246
 247         if (db_num_rows($result) == 1)
 248         {
 249                 $row = db_fetch_row($result);
 250                 return $row[0];
 251         }
 252
 253         display_db_error("could not retreive the location name for $loc_code", $sql, true);
 254 }
 255
 256 //--------------------------------------------------------------------------------------------------
 257
 258
 259 ?>