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         if (get_date_exchange_rate($_POST['curr_abrev'], $_POST['date_']))
  44         {
  45                 display_error( _("The exchange rate for the date is already there."));
  46                 set_focus('date_');
  47                 return false;
  48         }
  49         return true;
  50 }
  51
  52 //---------------------------------------------------------------------------------------------
  53
  54 function handle_submit()
  55 {
  56         global $selected_id;
  57
  58         if (!check_data())
  59                 return false;
  60
  61         if ($selected_id != "")
  62         {
  63
  64                 update_exchange_rate($_POST['curr_abrev'], $_POST['date_'],
  65                 input_num('BuyRate'), input_num('BuyRate'));
  66         }
  67         else
  68         {
  69
  70                 add_exchange_rate($_POST['curr_abrev'], $_POST['date_'],
  71                     input_num('BuyRate'), input_num('BuyRate'));
  72         }
  73
  74         $selected_id = '';
  75         clear_data();
  76 }
  77
  78 //---------------------------------------------------------------------------------------------
  79
  80 function handle_delete()
  81 {
  82         global $selected_id;
  83
  84         if ($selected_id == "")
  85                 return;
  86         delete_exchange_rate($selected_id);
  87         $selected_id = '';
  88         clear_data();
  89 }
  90
  91 //---------------------------------------------------------------------------------------------
  92 function edit_link($row)
  93 {
  94   return button('Edit'.$row["id"], _("Edit"), true, ICON_EDIT);
  95 }
  96
  97 function del_link($row)
  98 {
  99   return button('Delete'.$row["id"], _("Delete"), true, ICON_DELETE);
 100 }
 101
 102 function display_rates($curr_code)
 103 {
 104         global $table_style;
 105
 106 }
 107
 108 //---------------------------------------------------------------------------------------------
 109
 110 function display_rate_edit()
 111 {
 112         global $selected_id, $table_style2, $Ajax;
 113
 114         start_table($table_style2);
 115
 116         if ($selected_id != "")
 117         {
 118                 //editing an existing exchange rate
 119
 120                 $myrow = get_exchange_rate($selected_id);
 121
 122                 $_POST['date_'] = sql2date($myrow["date_"]);
 123                 $_POST['BuyRate'] = exrate_format($myrow["rate_buy"]);
 124
 125                 hidden('selected_id', $selected_id);
 126                 hidden('date_', $_POST['date_']);
 127
 128                 label_row(_("Date to Use From:"), $_POST['date_']);
 129         }
 130         else
 131         {
 132                 $_POST['date_'] = Today();
 133                 $_POST['BuyRate'] = '';
 134                 date_row(_("Date to Use From:"), 'date_');
 135         }
 136         if (isset($_POST['get_rate']))
 137         {
 138                 $_POST['BuyRate'] =
 139                         exrate_format(retrieve_exrate($_POST['curr_abrev'], $_POST['date_']));
 140                 $Ajax->activate('BuyRate');
 141         }
 142         small_amount_row(_("Exchange Rate:"), 'BuyRate', null, '',
 143                 submit('get_rate',_("Get"), false, _('Get current ECB rate') , true),
 144                 user_exrate_dec());
 145
 146         end_table(1);
 147
 148         submit_add_or_update_center($selected_id == '', '', 'both');
 149
 150         display_note(_("Exchange rates are entered against the company currency."), 1);
 151 }
 152
 153 //---------------------------------------------------------------------------------------------
 154
 155 function clear_data()
 156 {
 157         unset($_POST['selected_id']);
 158         unset($_POST['date_']);
 159         unset($_POST['BuyRate']);
 160 }
 161
 162 //---------------------------------------------------------------------------------------------
 163
 164 if ($Mode=='ADD_ITEM' || $Mode=='UPDATE_ITEM')
 165         handle_submit();
 166
 167 //---------------------------------------------------------------------------------------------
 168
 169 if ($Mode == 'Delete')
 170         handle_delete();
 171
 172
 173 //---------------------------------------------------------------------------------------------
 174
 175 start_form();
 176
 177 if (!isset($_POST['curr_abrev']))
 178         $_POST['curr_abrev'] = get_global_curr_code();
 179
 180 echo "<center>";
 181 echo _("Select a currency :") . "  ";
 182 echo currencies_list('curr_abrev', null, true);
 183 echo "</center>";
 184
 185 // if currency sel has changed, clear the form
 186 if ($_POST['curr_abrev'] != get_global_curr_code())
 187 {
 188         clear_data();
 189         $selected_id = "";
 190 }
 191
 192 set_global_curr_code($_POST['curr_abrev']);
 193
 194 $sql = get_sql_for_exchange_rates();
 195
 196 $cols = array(
 197         _("Date to Use From") => 'date',
 198         _("Exchange Rate") => 'rate',
 199         array('insert'=>true, 'fun'=>'edit_link'),
 200         array('insert'=>true, 'fun'=>'del_link'),
 201 );
 202 $table =& new_db_pager('orders_tbl', $sql, $cols);
 203
 204 if (is_company_currency($_POST['curr_abrev']))
 205 {
 206
 207         display_note(_("The selected currency is the company currency."), 2);
 208         display_note(_("The company currency is the base currency so exchange rates cannot be set for it."), 1);
 209 }
 210 else
 211 {
 212
 213         br(1);
 214         $table->width = "40%";
 215         if ($table->rec_count == 0)
 216                 $table->ready = false;
 217         display_db_pager($table);
 218         br(1);
 219     display_rate_edit();
 220 }
 221
 222 end_form();
 223
 224 end_page();
 225
 226 ?>