includes/db/manufacturing_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 //----------------------------------------------------------------------------------------
  13 function get_demand_qty($stock_id, $location)
  14 {
  15         $sql = "SELECT SUM(".TB_PREF."sales_order_details.quantity - "
  16                 .TB_PREF."sales_order_details.qty_sent) AS QtyDemand
  17                         FROM ".TB_PREF."sales_order_details,
  18                                         ".TB_PREF."sales_orders
  19                                 WHERE ".TB_PREF."sales_order_details.order_no="
  20                                 .TB_PREF."sales_orders.order_no AND ";
  21         if ($location != "")
  22                 $sql .= TB_PREF."sales_orders.from_stk_loc =".db_escape($location)." AND ";
  23         $sql .= TB_PREF."sales_order_details.stk_code = ".db_escape($stock_id);
  24
  25     $result = db_query($sql,"No transactions were returned");
  26         $row = db_fetch($result);
  27         if ($row === false)
  28                 return 0;
  29         return $row['QtyDemand'];
  30 }
  31
  32 $bom_list = array();
  33 $qoh_stock = NULL;
  34
  35 function load_stock_levels($location)
  36 {
  37         global $qoh_stock;
  38         $date = date2sql(Today());
  39
  40         $sql = "SELECT stock_id, SUM(qty) FROM ".TB_PREF."stock_moves WHERE tran_date <= '$date'";
  41         if ($location != '') $sql .= " AND loc_code = ".db_escape($location);
  42         $sql .= " GROUP BY stock_id";
  43         $result = db_query($sql, "QOH calulcation failed");
  44         while ($row = db_fetch($result)) {
  45                 $qoh_stock[$row[0]] = $row[1];
  46         }
  47 }
  48
  49 // recursion fixed by Tom Moulton. Max 10 recursion levels.
  50 function stock_demand_manufacture($stock_id, $qty, $demand_id, $location, $level=0)
  51 {
  52         global $bom_list, $qoh_stock;
  53         $demand = 0.0;
  54         if ($level > 10) {
  55                 display_warning("BOM Too many Manufacturing levels deep $level");
  56                 return $demand;
  57         }
  58         // Load all stock levels (stock moves) into $qoh_stock
  59         if ($qoh_stock == NULL) {
  60                 $qoh_stock = array();
  61                 load_stock_levels($location);
  62         }
  63         $stock_qty = $qoh_stock[$stock_id];
  64         if ($stock_qty == NULL) $stock_qty = 0;
  65         if ($qty <= $stock_qty) return $demand;
  66         $bom = $bom_list[$stock_id];
  67         if ($bom == NULL) {
  68                 $sql = "SELECT parent, component, quantity FROM "
  69                         .TB_PREF."bom WHERE parent = ".db_escape($stock_id);
  70                 if ($location != "") $sql .= " AND loc_code = ".db_escape($location);
  71                 $result = db_query($sql, "Could not search bom");
  72                 $bom = array();
  73                 // Even if we get no results, remember that fact
  74                 $bom[] = array($stock_id, '', 0);
  75                 while ($row = db_fetch_row($result)) {
  76                         $bom[] = array($row[0], $row[1], $row[2]);
  77                 }
  78                 db_free_result($result);
  79                 $bom_list[$stock_id] = $bom;
  80         }
  81         $len = count($bom);
  82         $i = 0;
  83         while ($i < $len) {
  84                 $row = $bom[$i];
  85                 $i++;
  86                 // Ignore the dummy entry
  87                 if ($row[1] == '') continue;
  88                 $q = $qty * $row[2];
  89                 if ($row[1] == $demand_id) $demand += $q;
  90                 $demand += stock_demand_manufacture($row[1], $q, $demand_id, $location, $level+1);
  91         }
  92         return $demand;
  93 }
  94
  95 // recursion fixed by Tom Moulton
  96 function get_demand_asm_qty($stock_id, $location)
  97 {
  98         $demand_qty = 0.0;
  99         $sql = "SELECT ".TB_PREF."sales_order_details.stk_code, SUM(".TB_PREF."sales_order_details.quantity-".TB_PREF."sales_order_details.qty_sent)
 100                                    AS Demmand
 101                                    FROM ".TB_PREF."sales_order_details,
 102                                                 ".TB_PREF."sales_orders,
 103                                                 ".TB_PREF."stock_master
 104                                    WHERE ".TB_PREF."sales_orders.order_no = ".TB_PREF."sales_order_details.order_no AND ";
 105         if ($location != "")
 106                 $sql .= TB_PREF."sales_orders.from_stk_loc =".db_escape($location)." AND ";
 107         $sql .= TB_PREF."sales_order_details.quantity-".TB_PREF."sales_order_details.qty_sent > 0 AND
 108                                    ".TB_PREF."stock_master.stock_id=".TB_PREF."sales_order_details.stk_code AND
 109                                    (".TB_PREF."stock_master.mb_flag='M' OR ".TB_PREF."stock_master.mb_flag='A')
 110                                    GROUP BY ".TB_PREF."sales_order_details.stk_code";
 111     $result = db_query($sql, "No transactions were returned");
 112         while ($row = db_fetch_row($result)) {
 113                 $demand_qty += stock_demand_manufacture($row[0], $row[1], $stock_id, $location);
 114         }
 115         return $demand_qty;
 116 }
 117
 118 function get_on_porder_qty($stock_id, $location)
 119 {
 120         $sql = "SELECT SUM(".TB_PREF."purch_order_details.quantity_ordered - "
 121                 .TB_PREF."purch_order_details.quantity_received) AS qoo
 122                 FROM ".TB_PREF."purch_order_details INNER JOIN "
 123                         .TB_PREF."purch_orders ON ".TB_PREF."purch_order_details.order_no=".TB_PREF."purch_orders.order_no
 124                 WHERE ".TB_PREF."purch_order_details.item_code=".db_escape($stock_id)." ";
 125         if ($location != "")
 126                 $sql .= "AND ".TB_PREF."purch_orders.into_stock_location=".db_escape($location)." ";
 127         $sql .= "AND ".TB_PREF."purch_order_details.item_code=".db_escape($stock_id);
 128         $qoo_result = db_query($sql,"could not receive quantity on order for item");
 129
 130         if (db_num_rows($qoo_result) == 1)
 131         {
 132                 $qoo_row = db_fetch_row($qoo_result);
 133                 $qoo =  $qoo_row[0];
 134         }
 135         else
 136         {
 137                 $qoo = 0;
 138         }
 139         return $qoo;
 140 }
 141
 142 function get_on_worder_qty($stock_id, $location)
 143 {
 144         $sql = "SELECT SUM((".TB_PREF."workorders.units_reqd-".TB_PREF."workorders.units_issued) *
 145                 (".TB_PREF."wo_requirements.units_req-".TB_PREF."wo_requirements.units_issued)) AS qoo
 146                 FROM ".TB_PREF."wo_requirements INNER JOIN ".TB_PREF."workorders
 147                         ON ".TB_PREF."wo_requirements.workorder_id=".TB_PREF."workorders.id
 148                 WHERE ".TB_PREF."wo_requirements.stock_id=".db_escape($stock_id)." ";
 149         if ($location != "")
 150                 $sql .= "AND ".TB_PREF."wo_requirements.loc_code=".db_escape($location)." ";
 151         $sql .= "AND ".TB_PREF."workorders.released=1";
 152         $qoo_result = db_query($sql,"could not receive quantity on order for item");
 153         if (db_num_rows($qoo_result) == 1)
 154         {
 155                 $qoo_row = db_fetch_row($qoo_result);
 156                 $qoo =  $qoo_row[0];
 157         }
 158         else
 159                 $qoo = 0.0;
 160         $flag = get_mb_flag($stock_id);
 161         if ($flag == 'A' || $flag == 'M')
 162         {
 163                 $sql = "SELECT SUM((".TB_PREF."workorders.units_reqd-".TB_PREF."workorders.units_issued)) AS qoo
 164                         FROM ".TB_PREF."workorders
 165                         WHERE ".TB_PREF."workorders.stock_id=".db_escape($stock_id)." ";
 166                 if ($location != "")
 167                         $sql .= "AND ".TB_PREF."workorders.loc_code=".db_escape($location)." ";
 168                 $sql .= "AND ".TB_PREF."workorders.released=1";
 169                 $qoo_result = db_query($sql,"could not receive quantity on order for item");
 170                 if (db_num_rows($qoo_result) == 1)
 171                 {
 172                         $qoo_row = db_fetch_row($qoo_result);
 173                         $qoo +=  $qoo_row[0];
 174                 }
 175         }
 176         return $qoo;
 177 }
 178
 179 function get_mb_flag($stock_id)
 180 {
 181         $sql = "SELECT mb_flag FROM ".TB_PREF."stock_master WHERE stock_id = "
 182                 .db_escape($stock_id);
 183         $result = db_query($sql, "retreive mb_flag from item");
 184
 185         if (db_num_rows($result) == 0)
 186                 return -1;
 187
 188         $myrow = db_fetch_row($result);
 189         return $myrow[0];
 190 }
 191
 192 //--------------------------------------------------------------------------------------
 193
 194 function get_bom($item)
 195 {
 196         $sql = "SELECT ".TB_PREF."bom.*, ".TB_PREF."locations.location_name, ".TB_PREF."workcentres.name AS WorkCentreDescription,
 197         ".TB_PREF."stock_master.description, ".TB_PREF."stock_master.mb_flag AS ResourceType,
 198         ".TB_PREF."stock_master.material_cost+ ".TB_PREF."stock_master.labour_cost+".TB_PREF."stock_master.overhead_cost AS standard_cost, units,
 199         ".TB_PREF."bom.quantity * (".TB_PREF."stock_master.material_cost+ ".TB_PREF."stock_master.labour_cost+ ".TB_PREF."stock_master.overhead_cost) AS ComponentCost
 200         FROM (".TB_PREF."workcentres, ".TB_PREF."locations, ".TB_PREF."bom) INNER JOIN ".TB_PREF."stock_master ON ".TB_PREF."bom.component = ".TB_PREF."stock_master.stock_id
 201         WHERE ".TB_PREF."bom.parent = ".db_escape($item)."
 202                 AND ".TB_PREF."workcentres.id=".TB_PREF."bom.workcentre_added
 203                 AND ".TB_PREF."bom.loc_code = ".TB_PREF."locations.loc_code ORDER BY ".TB_PREF."bom.id";
 204
 205         return db_query($sql, "The bill of material could not be retrieved");
 206 }
 207
 208 //--------------------------------------------------------------------------------------
 209
 210 function has_bom($item)
 211 {
 212     $result = get_bom($item);
 213
 214     return (db_num_rows($result) != 0);
 215 }
 216
 217 //--------------------------------------------------------------------------------------
 218
 219 ?>