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