gl/manage/exchange_rates.php

   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 $page_security = 'SA_EXCHANGERATE';
  13 $path_to_root = "../..";
  14 include($path_to_root . "/includes/db_pager.inc");
  15 include_once($path_to_root . "/includes/session.inc");
  16
  17 include_once($path_to_root . "/includes/date_functions.inc");
  18 include_once($path_to_root . "/includes/ui.inc");
  19 include_once($path_to_root . "/includes/banking.inc");
  20
  21 $js = "";
  22 if ($use_date_picker)
  23         $js .= get_js_date_picker();
  24 page(_($help_context = "Exchange Rates"), false, false, "", $js);
  25
  26 simple_page_mode(false);
  27
  28 //---------------------------------------------------------------------------------------------
  29 function check_data()
  30 {
  31         if (!is_date($_POST['date_']))
  32         {
  33                 display_error( _("The entered date is invalid."));
  34                 set_focus('date_');
  35                 return false;
  36         }
  37         if (input_num('BuyRate') <= 0)
  38         {
  39                 display_error( _("The exchange rate cannot be zero or a negative number."));
  40                 set_focus('BuyRate');
  41                 return false;
  42         }
  43
  44         return true;
  45 }
  46
  47 //---------------------------------------------------------------------------------------------
  48
  49 function handle_submit()
  50 {
  51         global $selected_id;
  52
  53         if (!check_data())
  54                 return false;
  55
  56         if ($selected_id != "")
  57         {
  58
  59                 update_exchange_rate($_POST['curr_abrev'], $_POST['date_'],
  60                 input_num('BuyRate'), input_num('BuyRate'));
  61         }
  62         else
  63         {
  64
  65                 add_exchange_rate($_POST['curr_abrev'], $_POST['date_'],
  66                     input_num('BuyRate'), input_num('BuyRate'));
  67         }
  68
  69         $selected_id = '';
  70         clear_data();
  71 }
  72
  73 //---------------------------------------------------------------------------------------------
  74
  75 function handle_delete()
  76 {
  77         global $selected_id;
  78
  79         if ($selected_id == "")
  80                 return;
  81         delete_exchange_rate($selected_id);
  82         $selected_id = '';
  83         clear_data();
  84 }
  85
  86 //---------------------------------------------------------------------------------------------
  87 function edit_link($row)
  88 {
  89   return button('Edit'.$row["id"], _("Edit"), true, ICON_EDIT);
  90 }
  91
  92 function del_link($row)
  93 {
  94   return button('Delete'.$row["id"], _("Delete"), true, ICON_DELETE);
  95 }
  96
  97 function display_rates($curr_code)
  98 {
  99         global $table_style;
 100
 101 }
 102
 103 //---------------------------------------------------------------------------------------------
 104
 105 function display_rate_edit()
 106 {
 107         global $selected_id, $table_style2, $Ajax;
 108
 109         start_table($table_style2);
 110
 111         if ($selected_id != "")
 112         {
 113                 //editing an existing exchange rate
 114
 115                 $myrow = get_exchange_rate($selected_id);
 116
 117                 $_POST['date_'] = sql2date($myrow["date_"]);
 118                 $_POST['BuyRate'] = exrate_format($myrow["rate_buy"]);
 119
 120                 hidden('selected_id', $selected_id);
 121                 hidden('date_', $_POST['date_']);
 122
 123                 label_row(_("Date to Use From:"), $_POST['date_']);
 124         }
 125         else
 126         {
 127                 $_POST['date_'] = Today();
 128                 $_POST['BuyRate'] = '';
 129                 date_row(_("Date to Use From:"), 'date_');
 130         }
 131         if (isset($_POST['get_rate']))
 132         {
 133                 $_POST['BuyRate'] =
 134                         exrate_format(retrieve_exrate($_POST['curr_abrev'], $_POST['date_']));
 135                 $Ajax->activate('BuyRate');
 136         }
 137         small_amount_row(_("Exchange Rate:"), 'BuyRate', null, '',
 138                 submit('get_rate',_("Get"), false, _('Get current ECB rate') , true),
 139                 user_exrate_dec());
 140
 141         end_table(1);
 142
 143         submit_add_or_update_center($selected_id == '', '', 'both');
 144
 145         display_note(_("Exchange rates are entered against the company currency."), 1);
 146 }
 147
 148 //---------------------------------------------------------------------------------------------
 149
 150 function clear_data()
 151 {
 152         unset($_POST['selected_id']);
 153         unset($_POST['date_']);
 154         unset($_POST['BuyRate']);
 155 }
 156
 157 //---------------------------------------------------------------------------------------------
 158
 159 if ($Mode=='ADD_ITEM' || $Mode=='UPDATE_ITEM')
 160         handle_submit();
 161
 162 //---------------------------------------------------------------------------------------------
 163
 164 if ($Mode == 'Delete')
 165         handle_delete();
 166
 167
 168 //---------------------------------------------------------------------------------------------
 169
 170 start_form();
 171
 172 if (!isset($_POST['curr_abrev']))
 173         $_POST['curr_abrev'] = get_global_curr_code();
 174
 175 echo "<center>";
 176 echo _("Select a currency :") . "  ";
 177 echo currencies_list('curr_abrev', null, true);
 178 echo "</center>";
 179
 180 // if currency sel has changed, clear the form
 181 if ($_POST['curr_abrev'] != get_global_curr_code())
 182 {
 183         clear_data();
 184         $selected_id = "";
 185 }
 186
 187 set_global_curr_code($_POST['curr_abrev']);
 188
 189 $sql = get_sql_for_exchange_rates();
 190
 191 $cols = array(
 192         _("Date to Use From") => 'date',
 193         _("Exchange Rate") => 'rate',
 194         array('insert'=>true, 'fun'=>'edit_link'),
 195         array('insert'=>true, 'fun'=>'del_link'),
 196 );
 197 $table =& new_db_pager('orders_tbl', $sql, $cols);
 198
 199 if (is_company_currency($_POST['curr_abrev']))
 200 {
 201
 202         display_note(_("The selected currency is the company currency."), 2);
 203         display_note(_("The company currency is the base currency so exchange rates cannot be set for it."), 1);
 204 }
 205 else
 206 {
 207
 208         br(1);
 209         $table->width = "40%";
 210         display_db_pager($table);
 211         br(1);
 212     display_rate_edit();
 213 }
 214
 215 end_form();
 216
 217 end_page();
 218
 219 ?>