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