taxes/db/tax_types_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 function add_tax_type($name, $sales_gl_code, $purchasing_gl_code, $rate)
  13 {
  14         $sql = "INSERT INTO ".TB_PREF."tax_types (name, sales_gl_code, purchasing_gl_code, rate)
  15                 VALUES (".db_escape($name).", ".db_escape($sales_gl_code)
  16                 .", ".db_escape($purchasing_gl_code).", $rate)";
  17
  18         db_query($sql, "could not add tax type");
  19 }
  20
  21 function update_tax_type($type_id, $name, $sales_gl_code, $purchasing_gl_code, $rate)
  22 {
  23         $sql = "UPDATE ".TB_PREF."tax_types SET name=".db_escape($name).",
  24                 sales_gl_code=".db_escape($sales_gl_code).",
  25                 purchasing_gl_code=".db_escape($purchasing_gl_code).",
  26                 rate=$rate
  27                 WHERE id=".db_escape($type_id);
  28
  29         db_query($sql, "could not update tax type");
  30 }
  31
  32 function get_all_tax_types($all=false)
  33 {
  34         $sql = "SELECT ".TB_PREF."tax_types.*,
  35                 Chart1.account_name AS SalesAccountName,
  36                 Chart2.account_name AS PurchasingAccountName
  37                 FROM ".TB_PREF."tax_types, ".TB_PREF."chart_master AS Chart1,
  38                 ".TB_PREF."chart_master AS Chart2
  39                 WHERE ".TB_PREF."tax_types.sales_gl_code = Chart1.account_code
  40                 AND ".TB_PREF."tax_types.purchasing_gl_code = Chart2.account_code";
  41
  42         if (!$all) $sql .= " AND !".TB_PREF."tax_types.inactive";
  43         return db_query($sql, "could not get all tax types");
  44 }
  45
  46 function get_all_tax_types_simple()
  47 {
  48         $sql = "SELECT * FROM ".TB_PREF."tax_types";
  49
  50         return db_query($sql, "could not get all tax types");
  51 }
  52
  53 function get_tax_type($type_id)
  54 {
  55         $sql = "SELECT ".TB_PREF."tax_types.*,
  56                 Chart1.account_name AS SalesAccountName,
  57                 Chart2.account_name AS PurchasingAccountName
  58                 FROM ".TB_PREF."tax_types, ".TB_PREF."chart_master AS Chart1,
  59                 ".TB_PREF."chart_master AS Chart2
  60                 WHERE ".TB_PREF."tax_types.sales_gl_code = Chart1.account_code
  61                 AND ".TB_PREF."tax_types.purchasing_gl_code = Chart2.account_code AND id=".db_escape($type_id);
  62
  63         $result = db_query($sql, "could not get tax type");
  64         return db_fetch($result);
  65 }
  66
  67 function get_tax_type_rate($type_id)
  68 {
  69         $sql = "SELECT rate FROM ".TB_PREF."tax_types WHERE id=".db_escape($type_id);
  70
  71         $result = db_query($sql, "could not get tax type rate");
  72
  73         $row = db_fetch_row($result);
  74         return $row[0];
  75 }
  76
  77 function delete_tax_type($type_id)
  78 {
  79         begin_transaction();
  80
  81         $sql = "DELETE FROM ".TB_PREF."tax_types WHERE id=".db_escape($type_id);
  82
  83         db_query($sql, "could not delete tax type");
  84
  85         // also delete any item tax exemptions associated with this type
  86         $sql = "DELETE FROM ".TB_PREF."item_tax_type_exemptions WHERE tax_type_id=".db_escape($type_id);
  87
  88         db_query($sql, "could not delete item tax type exemptions");
  89
  90         commit_transaction();
  91 }
  92
  93 /*
  94         Check if gl_code is used by more than 2 tax types,
  95         or check if the two gl codes are not used by any other
  96         than selected tax type.
  97         Necessary for pre-2.2 installations.
  98 */
  99 function is_tax_gl_unique($gl_code, $gl_code2=-1, $selected_id=-1) {
 100
 101         $purch_code = $gl_code2== -1 ? $gl_code : $gl_code2;
 102
 103         $sql = "SELECT count(*) FROM "
 104                 .TB_PREF."tax_types
 105                 WHERE (sales_gl_code=" .db_escape($gl_code)
 106                 ." OR purchasing_gl_code=" .db_escape($purch_code). ")";
 107
 108         if ($selected_id != -1)
 109                 $sql .= " AND id!=".db_escape($selected_id);
 110
 111         $res = db_query($sql, "could not query gl account uniqueness");
 112         $row = db_fetch($res);
 113
 114         return $gl_code2 == -1 ? ($row[0] <= 1) : ($row[0] == 0);
 115 }
 116
 117 function is_tax_account($account_code)
 118 {
 119         $sql= "SELECT id FROM ".TB_PREF."tax_types WHERE
 120                 sales_gl_code=".db_escape($account_code)." OR purchasing_gl_code=".db_escape($account_code);
 121         $result = db_query($sql, "checking account is tax account");
 122         if (db_num_rows($result) > 0) {
 123                 $acct = db_fetch($result);
 124                 return $acct['id'];
 125         } else
 126                 return false;
 127 }
 128
 129