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         $sql="SELECT *
  27                 FROM ".TB_PREF."wo_costing cost,
  28                         ".TB_PREF."journal gl
  29                 WHERE
  30                         cost.trans_type=gl.type AND cost.trans_no=gl.trans_no
  31                         AND workorder_id=".db_escape($workorder_id);
  32
  33         return db_query($sql, "could not get work order costing");
  34 }
  35
  36 function delete_wo_costing($trans_type, $trans_no)
  37 {
  38         $sql="DELETE FROM ".TB_PREF."wo_costing WHERE trans_type=".db_escape($trans_type)
  39                 ." AND trans_no=".db_escape($trans_no);
  40
  41         db_query($sql, "could not delete work order costing");
  42 }
  43
  44 /*
  45         Updates average material cost for item.
  46 */
  47 function update_material_cost($stock_id, $qty, $unit_cost, $date)
  48 {
  49         global $Refs;
  50
  51         $product = get_item($stock_id);
  52         $avg_cost =  $product['material_cost'];
  53
  54         $qoh = get_qoh_on_date($stock_id, null, $date);
  55
  56         // unit_cost*qty is already posted on inventory GL
  57 /*
  58         if ($qoh > 0)
  59         {
  60                  if ($qty<0)
  61                         $qty_done = max(-$qoh, $qty);
  62                  else
  63                         $qty_done = $qty;
  64         } else {
  65                 if ($qty>0)
  66                         $qty_done = max($qoh+$qty, 0);
  67                 else
  68                         $qty_done = 0;
  69         }
  70         $qty_delayed = $qty-$qty_done;
  71 */
  72         if ($qoh < 0)
  73         {
  74                         $qty_delayed = min(-$qoh, $qty);
  75         } else {
  76                         $qty_delayed = 0;
  77         }
  78         $qty_new = $qty - $qty_delayed;
  79
  80         if ($qty_delayed > 0 && ($unit_cost != $avg_cost))
  81         {
  82                 // post $qty_delayed*($avg_cost-$unit_cost)
  83                 $diff = $qty_delayed*($unit_cost-$avg_cost);
  84                 $stock_gl_code = get_item($stock_id);
  85
  86                 $dec = user_price_dec();
  87                 $old_cost = -round2($avg_cost, $dec);
  88                 $new_cost = -round2($unit_cost, $dec);
  89
  90                 $cart = new items_cart(ST_COSTUPDATE);
  91                 $cart->tran_date = $cart->doc_date = $cart->event_date = $date;
  92
  93                 if (!is_date_in_fiscalyear($cart->tran_date))
  94                         $cart->tran_date = end_fiscalyear();
  95
  96                 $cart->reference = $Refs->get_next(ST_COSTUPDATE, null, $cart->tran_date);
  97
  98                 $cart->memo_ = sprintf(_("COGS changed from %s to %s for %d %s of '%s'"), $avg_cost, $unit_cost, $qty_delayed, $item['units'], $stock_id);
  99
 100                 $cart->add_gl_item($item["cogs_account"], $item["dimension_id"], $item["dimension2_id"], -$diff);
 101                 $cart->add_gl_item($item["inventory_account"], 0, 0, $diff);
 102
 103                 write_journal_entries($cart);
 104         }
 105
 106         if ($qty > 0 && ($qoh != -$qty)) {
 107                 if ($qoh == 0 && $avg_cost != 0)
 108                 $avg_cost = ($avg_cost + ($unit_cost*$qty_new)/($qoh+$qty))/2;
 109         else
 110                 $avg_cost = ($avg_cost*($qoh+$qty_delayed)+$unit_cost*$qty_new)/($qoh+$qty);
 111         }
 112
 113         $sql = "UPDATE ".TB_PREF."stock_master SET material_cost=".db_escape($avg_cost)."
 114                     WHERE stock_id=".db_escape($stock_id);
 115         db_query($sql,"The cost details for the inventory item could not be updated");
 116 }
 117
 118 /*
 119         Create journal entry for WO related costs.
 120 */
 121 function add_wo_costs_journal($wo_id, $amount, $cost_type, $cr_acc, $date, $dim1=0, $dim2=0, $memo = null, $ref= null)
 122 {
 123 //-------- this should be done by single call to write_journal_entries() using items_cart()
 124 //
 125         global $Refs, $wo_cost_types;
 126
 127         begin_transaction();
 128
 129     $journal_id = get_next_trans_no(ST_JOURNAL);
 130
 131         $wo = get_work_order($wo_id);
 132
 133     if (!$ref) $ref = $Refs->get_next(ST_JOURNAL, null, $date);
 134
 135         add_gl_trans_std_cost(ST_JOURNAL, $journal_id, $date, $cr_acc,
 136                 0, 0, $wo_cost_types[$cost_type], -$amount);
 137
 138         $is_bank_to = is_bank_account($cr_acc);
 139         if ($is_bank_to)
 140         {
 141                 add_bank_trans(ST_JOURNAL, $journal_id, $is_bank_to, "",
 142                         $date, -$amount, PT_WORKORDER, $wo_id, get_company_currency(),
 143                         "Cannot insert a destination bank transaction");
 144         }
 145         add_journal(ST_JOURNAL, $journal_id, $amount, $date, get_company_currency(), $ref, '', 1, $date, $date);
 146
 147         add_gl_trans_std_cost(ST_JOURNAL, $journal_id, $date, $wo['wip_account'],
 148                 $dim1, $dim2,  $wo_cost_types[$cost_type], $amount);
 149
 150         $wo = get_work_order($wo_id);
 151         $wip = $wo['wip_account'];
 152
 153         $Refs->save(ST_JOURNAL, $journal_id, $ref);
 154
 155         add_wo_costing($wo_id, $cost_type, ST_JOURNAL, $journal_id);
 156
 157         add_comments(ST_JOURNAL, $journal_id, $date, $memo);
 158         add_audit_trail(ST_JOURNAL, $journal_id, $date);
 159
 160         commit_transaction();
 161 }
 162
 163 /*
 164         Process component usage: generate and post stock move, update average component cost.
 165 */
 166 function work_order_production_gl($woid, $stock_id, $quantity, $date_, $rcv_no)
 167 {
 168         global $SysPrefs, $path_to_root;
 169
 170         $memo = "";
 171         if ($SysPrefs->loc_notification() == 1)
 172         {
 173                 include_once($path_to_root . "/sales/includes/cart_class.inc");
 174                 include_once($path_to_root . "/inventory/includes/inventory_db.inc");
 175                 $st_ids = array();
 176                 $st_names = array();
 177                 $st_num = array();
 178                 $st_reorder = array();
 179         }
 180
 181         $result = get_wo_requirements($woid);
 182
 183         // credit all the components
 184         $total_cost = 0;
 185         while ($bom_item = db_fetch($result))
 186         {
 187                 if ($SysPrefs->loc_notification() == 1 && is_inventory_item($bom_item['stock_id']))
 188                 {
 189                         $line = new line_details($bom_item['stock_id'], $bom_item["units_req"] * $quantity, 0, 0, 0, 0, $bom_item['description']);
 190                         $loc = calculate_reorder_level($bom_item["loc_code"], $line, $st_ids, $st_names, $st_num, $st_reorder);
 191                 }
 192                 update_wo_requirement_issued($bom_item['id'], $bom_item["units_req"] * $quantity, $bom_item["ComponentCost"]);
 193
 194                 // insert a -ve stock move for each item
 195                 add_stock_move(ST_MANURECEIVE, $bom_item["stock_id"], $rcv_no,
 196                         $bom_item["loc_code"], $date_, "", -$bom_item["units_req"] * $quantity, $bom_item["ComponentCost"], 0);
 197
 198                 if (!is_service($bom_item["mb_flag"]))
 199                         $ivaccount = $bom_item["inventory_account"];
 200                 else
 201                         $ivaccount = $bom_item["cogs_account"];
 202
 203                 $memo = $date_.": ".$bom_item["units_req"] ." * ".$bom_item["description"];
 204
 205                 $total_cost += add_gl_trans_std_cost(ST_MANURECEIVE, $rcv_no, $date_, $ivaccount, 0, 0,
 206                         $memo, -$bom_item["ComponentCost"] * $bom_item["units_req"] * $quantity);
 207         }
 208
 209         $wo = get_work_order($woid);
 210     add_gl_trans_std_cost(ST_MANURECEIVE, $rcv_no, $date_, $wo['wip_account'],
 211         0, 0, $memo, -$total_cost);
 212         if ($SysPrefs->loc_notification() == 1 && count($st_ids) > 0)
 213                 send_reorder_email($loc, $st_ids, $st_names, $st_num, $st_reorder);
 214 }
 215
 216 function check_wo_costing($type, $trans_no)
 217 {
 218         $sql = "SELECT workorder_id FROM ".TB_PREF."wo_costing WHERE trans_type= ".db_escape($type)." AND trans_no=".db_escape($trans_no);
 219         $costs = db_query($sql, 'cannot check WO costing');
 220
 221         if (!db_num_rows($costs))
 222                 return 0;
 223
 224         $wo = db_fetch($costs);
 225         return $wo['workorder_id'];
 226 }
 227
 228 function void_wo_costing($wo_id)
 229 {
 230         global $Refs;
 231
 232         $res = get_wo_costing($wo_id);
 233
 234         while($row = db_fetch($res))
 235         {
 236                 // void any related gl trans
 237                 $date = Today();
 238                 $type = $row['trans_type'];
 239                 $trans_no = $row['trans_no'];
 240                 $memo = sprintf(_("Voided WO #%s"), $wo_id);
 241                 void_gl_trans($type, $trans_no, true);
 242                 add_audit_trail($type, $trans_no, $date, $memo);
 243                 add_voided_entry($type, $trans_no, $date, $memo);
 244                 $Refs->restore_last($type, $trans_no);
 245         }
 246
 247         $sql = "DELETE FROM ".TB_PREF."wo_costing WHERE workorder_id=".db_escape($wo_id);
 248         db_query($sql, "could not delete work order costing");
 249 }