manufacturing/includes/db/work_orders_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
  14 function add_material_cost($stock_id, $qty, $date_)
  15 {
  16         $m_cost = 0;
  17     $result = get_bom($stock_id);
  18         while ($bom_item = db_fetch($result))
  19         {
  20                 $standard_cost = get_standard_cost($bom_item['component']);
  21                 $m_cost += ($bom_item['quantity'] * $standard_cost);
  22         }
  23         $sql = "SELECT material_cost FROM ".TB_PREF."stock_master WHERE stock_id = '$stock_id'";
  24         $result = db_query($sql);
  25         $myrow = db_fetch($result);
  26         $material_cost =  $myrow['material_cost'];
  27         $qoh = get_qoh_on_date($stock_id, null, $date_);
  28         if ($qoh + $qty <= 0)
  29                 $material_cost = 0;
  30         else
  31                 $material_cost = ($qoh * $material_cost + $qty * $m_cost) /     ($qoh + $qty);
  32         $sql = "UPDATE ".TB_PREF."stock_master SET material_cost=$material_cost
  33                 WHERE stock_id='$stock_id'";
  34         db_query($sql,"The cost details for the inventory item could not be updated");
  35 }
  36
  37 function add_overhead_cost($stock_id, $qty, $date_, $costs)
  38 {
  39         if ($qty != 0)
  40                 $costs /= $qty;
  41         $sql = "SELECT overhead_cost FROM ".TB_PREF."stock_master WHERE stock_id = '$stock_id'";
  42         $result = db_query($sql);
  43         $myrow = db_fetch($result);
  44         $overhead_cost =  $myrow['overhead_cost'];
  45         $qoh = get_qoh_on_date($stock_id, null, $date_);
  46         if ($qoh + $qty <= 0)
  47                 $overhead_cost = 0;
  48         else
  49                 $overhead_cost = ($qoh * $overhead_cost + $qty * $costs) /      ($qoh + $qty);
  50         $sql = "UPDATE ".TB_PREF."stock_master SET overhead_cost=$overhead_cost
  51                 WHERE stock_id='$stock_id'";
  52         db_query($sql,"The cost details for the inventory item could not be updated");
  53 }
  54
  55 function add_labour_cost($stock_id, $qty, $date_, $costs)
  56 {
  57         if ($qty != 0)
  58                 $costs /= $qty;
  59         $sql = "SELECT labour_cost FROM ".TB_PREF."stock_master WHERE stock_id = '$stock_id'";
  60         $result = db_query($sql);
  61         $myrow = db_fetch($result);
  62         $labour_cost =  $myrow['labour_cost'];
  63         $qoh = get_qoh_on_date($stock_id, null, $date_);
  64         if ($qoh + $qty <= 0)
  65                 $labour_cost = 0;
  66         else
  67                 $labour_cost = ($qoh * $labour_cost + $qty * $costs) /  ($qoh + $qty);
  68         $sql = "UPDATE ".TB_PREF."stock_master SET labour_cost=$labour_cost
  69                 WHERE stock_id='$stock_id'";
  70         db_query($sql,"The cost details for the inventory item could not be updated");
  71 }
  72
  73 function add_issue_cost($stock_id, $qty, $date_, $costs)
  74 {
  75         if ($qty != 0)
  76                 $costs /= $qty;
  77         $sql = "SELECT material_cost FROM ".TB_PREF."stock_master WHERE stock_id = '$stock_id'";
  78         $result = db_query($sql);
  79         $myrow = db_fetch($result);
  80         $material_cost =  $myrow['material_cost'];
  81         $qoh = get_qoh_on_date($stock_id, null, $date_);
  82         if ($qoh + $qty  <= 0)
  83                 $material_cost = 0;
  84         else
  85                 $material_cost = ($qty * $costs) /      ($qoh + $qty);
  86         $sql = "UPDATE ".TB_PREF."stock_master SET material_cost=material_cost+$material_cost
  87                 WHERE stock_id='$stock_id'";
  88         db_query($sql,"The cost details for the inventory item could not be updated");
  89 }
  90
  91 function add_work_order($wo_ref, $loc_code, $units_reqd, $stock_id,
  92         $type, $date_, $required_by, $memo_, $costs, $cr_acc, $labour, $cr_lab_acc)
  93 {
  94         if (!($type == wo_types::advanced()))
  95                 return add_work_order_quick($wo_ref, $loc_code, $units_reqd, $stock_id, $type, $date_, $memo_, $costs, $cr_acc, $labour, $cr_lab_acc);
  96
  97         begin_transaction();
  98
  99         add_material_cost($stock_id, $units_reqd, $date_);
 100
 101         $date = date2sql($date_);
 102         $required = date2sql($required_by);
 103
 104         $sql = "INSERT INTO ".TB_PREF."workorders (wo_ref, loc_code, units_reqd, stock_id,
 105                 type, date_, required_by)
 106         VALUES (".db_escape($wo_ref).", ".db_escape($loc_code).", $units_reqd, '$stock_id',
 107                 $type, '$date', '$required')";
 108         db_query($sql, "could not add work order");
 109
 110         $woid = db_insert_id();
 111
 112         add_comments(systypes::work_order(), $woid, $required_by, $memo_);
 113
 114         references::save_last($wo_ref, systypes::work_order());
 115
 116         commit_transaction();
 117
 118         return $woid;
 119 }
 120
 121 //--------------------------------------------------------------------------------------
 122
 123 function update_work_order($woid, $loc_code, $units_reqd, $stock_id,
 124                                         $date_, $required_by, $memo_)
 125 {
 126         begin_transaction();
 127
 128         add_material_cost($_POST['old_stk_id'], -$_POST['old_qty'], $date_);
 129         add_material_cost($stock_id, $units_reqd, $date_);
 130
 131         $date = date2sql($date_);
 132         $required = date2sql($required_by);
 133
 134         $sql = "UPDATE ".TB_PREF."workorders SET loc_code=".db_escape($loc_code).",
 135                 units_reqd=$units_reqd, stock_id='$stock_id',
 136                 required_by='$required',
 137                 date_='$date'
 138                 WHERE id = $woid";
 139
 140         db_query($sql, "could not update work order");
 141
 142         update_comments(systypes::work_order(), $woid, null, $memo_);
 143
 144         commit_transaction();
 145 }
 146
 147 function delete_work_order($woid)
 148 {
 149         begin_transaction();
 150
 151         add_material_cost($_POST['stock_id'], -$_POST['quantity'], $_POST['date_']);
 152
 153         // delete the work order requirements
 154         delete_wo_requirements($woid);
 155
 156         // delete the actual work order
 157         $sql = "DELETE FROM ".TB_PREF."workorders WHERE id=$woid";
 158         db_query($sql,"The work order could not be deleted");
 159
 160         delete_comments(systypes::work_order(), $woid);
 161
 162         commit_transaction();
 163 }
 164
 165 //--------------------------------------------------------------------------------------
 166
 167 function get_work_order($woid, $allow_null=false)
 168 {
 169     $sql = "SELECT ".TB_PREF."workorders.*, ".TB_PREF."stock_master.description As StockItemName,
 170                 ".TB_PREF."locations.location_name
 171                 FROM ".TB_PREF."workorders, ".TB_PREF."stock_master, ".TB_PREF."locations
 172                 WHERE ".TB_PREF."stock_master.stock_id=".TB_PREF."workorders.stock_id
 173                 AND     ".TB_PREF."locations.loc_code=".TB_PREF."workorders.loc_code
 174                 AND ".TB_PREF."workorders.id=$woid
 175                 GROUP BY ".TB_PREF."workorders.id";
 176
 177         $result = db_query($sql, "The work order issues could not be retrieved");
 178
 179         if (!$allow_null && db_num_rows($result) == 0)
 180                 display_db_error("Could not find work order $woid", $sql);
 181
 182         return db_fetch($result);
 183 }
 184
 185 //--------------------------------------------------------------------------------------
 186
 187 function work_order_has_productions($woid)
 188 {
 189         $sql = "SELECT COUNT(*) FROM ".TB_PREF."wo_manufacture WHERE workorder_id=$woid";
 190         $result = db_query($sql, "query work order for productions");
 191
 192         $myrow = db_fetch_row($result);
 193         return ($myrow[0] > 0);
 194 }
 195
 196
 197 //--------------------------------------------------------------------------------------
 198
 199 function work_order_has_issues($woid)
 200 {
 201         $sql = "SELECT COUNT(*) FROM ".TB_PREF."wo_issues WHERE workorder_id=$woid";
 202         $result = db_query($sql, "query work order for issues");
 203
 204         $myrow = db_fetch_row($result);
 205         return ($myrow[0] > 0);
 206 }
 207
 208 //--------------------------------------------------------------------------------------
 209
 210 function work_order_has_payments($woid)
 211 {
 212         $result = get_gl_wo_cost_trans($woid);
 213
 214     return (db_num_rows($result) != 0);
 215 }
 216
 217 //--------------------------------------------------------------------------------------
 218
 219 function release_work_order($woid, $releaseDate, $memo_)
 220 {
 221         begin_transaction();
 222
 223         $myrow = get_work_order($woid);
 224         $stock_id = $myrow["stock_id"];
 225
 226         $date = date2sql($releaseDate);
 227
 228         $sql = "UPDATE ".TB_PREF."workorders SET released_date='$date',
 229                 released=1 WHERE id = $woid";
 230         db_query($sql, "could not release work order");
 231
 232         // create Work Order Requirements based on the bom
 233         create_wo_requirements($woid, $stock_id);
 234
 235         add_comments(systypes::work_order(), $woid, $releaseDate, $memo_);
 236
 237         commit_transaction();
 238 }
 239
 240 //--------------------------------------------------------------------------------------
 241
 242 function close_work_order($woid)
 243 {
 244         $sql = "UPDATE ".TB_PREF."workorders SET closed=1 WHERE id = $woid";
 245         db_query($sql, "could not close work order");
 246 }
 247
 248 //--------------------------------------------------------------------------------------
 249
 250 function work_order_is_closed($woid)
 251 {
 252         $sql = "SELECT closed FROM ".TB_PREF."workorders WHERE id = $woid";
 253         $result = db_query($sql, "could not query work order");
 254         $row = db_fetch_row($result);
 255         return ($row[0] > 0);
 256 }
 257
 258 //--------------------------------------------------------------------------------------
 259
 260 function work_order_update_finished_quantity($woid, $quantity, $force_close=0)
 261 {
 262         $sql = "UPDATE ".TB_PREF."workorders SET units_issued = units_issued + $quantity,
 263                 closed = ((units_issued >= units_reqd) OR $force_close)
 264                 WHERE id = $woid";
 265
 266         db_query($sql, "The work order issued quantity couldn't be updated");
 267 }
 268
 269 //--------------------------------------------------------------------------------------
 270
 271 function void_work_order($woid)
 272 {
 273         $work_order = get_work_order($woid);
 274
 275         if (!($work_order["type"] == wo_types::advanced()))
 276         {
 277                 begin_transaction();
 278
 279                 $sql = "UPDATE ".TB_PREF."workorders SET closed=1,units_issued=0 WHERE id = $woid";
 280                 db_query($sql, "The work order couldn't be voided");
 281
 282                 // void all related stock moves
 283                 void_stock_move(systypes::work_order(), $woid);
 284
 285                 // void any related gl trans
 286                 void_gl_trans(systypes::work_order(), $woid, true);
 287
 288                 // clear the requirements units received
 289                 void_wo_requirements($woid);
 290
 291                 commit_transaction();
 292         }
 293         else
 294         {
 295                 // void everything inside the work order : issues, productions, payments
 296         }
 297 }
 298
 299 //--------------------------------------------------------------------------------------
 300
 301 ?>