manufacturing/includes/db/work_order_costing_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 add_wo_costing($workorder_id, $cost_type, $trans_type, $trans_no, $factor=1)
  14 {
  15         $sql = "INSERT INTO ".TB_PREF."wo_costing (workorder_id, cost_type, trans_type, trans_no, factor)
  16                 VALUES (".db_escape($workorder_id).","
  17                 .db_escape($cost_type).",".db_escape($trans_type).","
  18                 .db_escape($trans_no).",".db_escape($factor).")";
  19
  20         db_query($sql, "could not add work order costing");
  21
  22 }
  23
  24 function get_wo_costing($workorder_id)
  25 {
  26         $sql="SELECT * FROM ".TB_PREF."wo_costing WHERE workorder_id=".db_escape($workorder_id);
  27
  28         return db_query($sql, "could not get work order costing");
  29 }
  30
  31 function delete_wo_costing($trans_type, $trans_no)
  32 {
  33         $sql="DELETE FROM ".TB_PREF."wo_costing WHERE trans_type=".db_escape($trans_type)
  34                 ." AND trans_no=".db_escape($trans_no);
  35
  36         db_query($sql, "could not delete work order costing");
  37 }
  38
  39 //--------------------------------------------------------------------------------------
  40
  41 function add_material_cost($stock_id, $qty, $date_)
  42 {
  43         $m_cost = 0;
  44     $result = get_bom($stock_id);
  45         while ($bom_item = db_fetch($result))
  46         {
  47                 $standard_cost = get_standard_cost($bom_item['component']);
  48                 $m_cost += ($bom_item['quantity'] * $standard_cost);
  49         }
  50         //$dec = user_price_dec();
  51         //price_decimal_format($m_cost, $dec);
  52         $sql = "SELECT material_cost FROM ".TB_PREF."stock_master WHERE stock_id = "
  53                 .db_escape($stock_id);
  54         $result = db_query($sql);
  55         $myrow = db_fetch($result);
  56         $material_cost =  $myrow['material_cost'];
  57         //$qoh = get_qoh_on_date($stock_id, null, $date_);
  58         $qoh = get_qoh_on_date($stock_id);
  59         if ($qoh < 0)
  60                 $qoh = 0;
  61         if ($qoh + $qty != 0)
  62                 $material_cost = ($qoh * $material_cost + $qty * $m_cost) /     ($qoh + $qty);
  63         //$material_cost = round2($material_cost, $dec);
  64         $sql = "UPDATE ".TB_PREF."stock_master SET material_cost=$material_cost
  65                 WHERE stock_id=".db_escape($stock_id);
  66         db_query($sql,"The cost details for the inventory item could not be updated");
  67 }
  68
  69 function add_overhead_cost($stock_id, $qty, $date_, $costs)
  70 {
  71         //$dec = user_price_dec();
  72         //price_decimal_format($costs, $dec);
  73         if ($qty != 0)
  74                 $costs /= $qty;
  75         $sql = "SELECT overhead_cost FROM ".TB_PREF."stock_master WHERE stock_id = "
  76                 .db_escape($stock_id);
  77         $result = db_query($sql);
  78         $myrow = db_fetch($result);
  79         $overhead_cost =  $myrow['overhead_cost'];
  80         //$qoh = get_qoh_on_date($stock_id, null, $date_);
  81         $qoh = get_qoh_on_date($stock_id);
  82         if ($qoh < 0)
  83                 $qoh = 0;
  84         if ($qoh + $qty != 0)
  85                 $overhead_cost = ($qoh * $overhead_cost + $qty * $costs) /      ($qoh + $qty);
  86         //$overhead_cost = round2($overhead_cost, $dec);
  87         $sql = "UPDATE ".TB_PREF."stock_master SET overhead_cost=".db_escape($overhead_cost)."
  88                 WHERE stock_id=".db_escape($stock_id);
  89         db_query($sql,"The cost details for the inventory item could not be updated");
  90 }
  91
  92 function add_labour_cost($stock_id, $qty, $date_, $costs)
  93 {
  94         //$dec = user_price_dec();
  95         //price_decimal_format($costs, $dec);
  96         if ($qty != 0)
  97                 $costs /= $qty;
  98         $sql = "SELECT labour_cost FROM ".TB_PREF."stock_master WHERE stock_id = "
  99                 .db_escape($stock_id);
 100         $result = db_query($sql);
 101         $myrow = db_fetch($result);
 102         $labour_cost =  $myrow['labour_cost'];
 103         //$qoh = get_qoh_on_date($stock_id, null, $date_);
 104         $qoh = get_qoh_on_date($stock_id);
 105         if ($qoh < 0)
 106                 $qoh = 0;
 107         if ($qoh + $qty != 0)
 108                 $labour_cost = ($qoh * $labour_cost + $qty * $costs) /  ($qoh + $qty);
 109         //$labour_cost = round2($labour_cost, $dec);
 110         $sql = "UPDATE ".TB_PREF."stock_master SET labour_cost=".db_escape($labour_cost)."
 111                 WHERE stock_id=".db_escape($stock_id);
 112         db_query($sql,"The cost details for the inventory item could not be updated");
 113 }
 114
 115 function add_issue_cost($stock_id, $qty, $date_, $costs)
 116 {
 117         if ($qty != 0)
 118                 $costs /= $qty;
 119         $sql = "SELECT material_cost FROM ".TB_PREF."stock_master WHERE stock_id = "
 120                 .db_escape($stock_id);
 121         $result = db_query($sql);
 122         $myrow = db_fetch($result);
 123         $material_cost =  $myrow['material_cost'];
 124         //$dec = user_price_dec();
 125         //price_decimal_format($material_cost, $dec);
 126         //$qoh = get_qoh_on_date($stock_id, null, $date_);
 127         $qoh = get_qoh_on_date($stock_id);
 128         if ($qoh < 0)
 129                 $qoh = 0;
 130         if ($qoh + $qty != 0)
 131                 $material_cost = ($qty * $costs) /      ($qoh + $qty);
 132         //$material_cost = round2($material_cost, $dec);
 133         $sql = "UPDATE ".TB_PREF."stock_master SET material_cost=material_cost+"
 134                 .db_escape($material_cost)
 135                 ." WHERE stock_id=".db_escape($stock_id);
 136         db_query($sql,"The cost details for the inventory item could not be updated");
 137 }
 138
 139 /*
 140         Create journal entry for WO related costs.
 141 */
 142 function add_wo_costs_journal($wo_id, $amount, $cost_type, $cr_acc, $db_acc, $date, $dim1=0, $dim2=0, $memo = null, $ref= null)
 143 {
 144 //-------- this should be done by single call to write_journal_entries() using items_cart()
 145 //
 146         global $Refs, $wo_cost_types;
 147
 148         begin_transaction();
 149
 150     $journal_id = get_next_trans_no(ST_JOURNAL);
 151     if (!$ref) $ref = $Refs->get_next(ST_JOURNAL);
 152
 153         add_gl_trans_std_cost(ST_JOURNAL, $journal_id, $date, $cr_acc,
 154                 0, 0, $wo_cost_types[$cost_type], -$amount);
 155         $is_bank_to = is_bank_account($cr_acc);
 156         if ($is_bank_to)
 157         {
 158                 add_bank_trans(ST_JOURNAL, $journal_id, $is_bank_to, "",
 159                         $date, -$amount, PT_WORKORDER, $wo_id, get_company_currency(),
 160                         "Cannot insert a destination bank transaction");
 161         }
 162
 163         add_gl_trans_std_cost(ST_JOURNAL, $journal_id, $date, $db_acc,
 164                 $dim1, $dim2,  $wo_cost_types[$cost_type], $amount);
 165
 166         $Refs->save(ST_JOURNAL, $journal_id, $ref);
 167
 168         add_wo_costing($wo_id, $cost_type, ST_JOURNAL, $journal_id);
 169
 170         add_comments(ST_JOURNAL, $journal_id, $date, $memo);
 171         add_audit_trail(ST_JOURNAL, $journal_id, $date);
 172
 173         commit_transaction();
 174 }
 175
 176 function void_wo_costing($wo_id)
 177 {
 178         $res = get_wo_costing($wo_id);
 179
 180         while($row = db_fetch($res))
 181         {
 182                 // void any related gl trans
 183                 void_gl_trans($row['trans_type'], $row['trans_no'], true);
 184         }
 185
 186         $sql = "DELETE FROM ".TB_PREF."wo_costing WHERE workorder_id=".db_escape($wo_id);
 187         db_query($sql, "could not delete work order costing");
 188 }