gl/manage/exchange_rates.php

   1 <?php
   2
   3 $page_security = 9;
   4 $path_to_root="../..";
   5 include_once($path_to_root . "/includes/session.inc");
   6
   7 page(_("Exchange Rates"));
   8
   9 include_once($path_to_root . "/includes/date_functions.inc");
  10 include_once($path_to_root . "/includes/ui.inc");
  11 include_once($path_to_root . "/includes/banking.inc");
  12
  13 //---------------------------------------------------------------------------------------------
  14
  15 if (isset($_GET['selected_id']))
  16 {
  17         $selected_id = $_GET['selected_id'];
  18 }
  19 elseif (isset($_POST['selected_id']))
  20 {
  21         $selected_id = $_POST['selected_id'];
  22 }
  23 else
  24         $selected_id = "";
  25 //---------------------------------------------------------------------------------------------
  26
  27 function check_data()
  28 {
  29         if (!is_date($_POST['date_']))
  30         {
  31                 display_error( _("The entered date is invalid."));
  32                 return false;
  33         }
  34         if (!is_numeric($_POST['BuyRate']))
  35         {
  36                 display_error( _("The exchange rate must be numeric."));
  37                 return false;
  38         }
  39         if ($_POST['BuyRate'] <= 0)
  40         {
  41                 display_error( _("The exchange rate cannot be zero or a negative number."));
  42                 return false;
  43         }
  44
  45         return true;
  46 }
  47
  48 //---------------------------------------------------------------------------------------------
  49
  50 function handle_submit()
  51 {
  52         global $selected_id;
  53
  54         if (!check_data())
  55                 return false;
  56
  57         if ($selected_id != "")
  58         {
  59
  60                 update_exchange_rate($_POST['curr_abrev'], $_POST['date_'], $_POST['BuyRate'],
  61                         $_POST['BuyRate']);
  62         }
  63         else
  64         {
  65
  66                 add_exchange_rate($_POST['curr_abrev'], $_POST['date_'], $_POST['BuyRate'],
  67                         $_POST['BuyRate']);
  68         }
  69
  70         return true;
  71 }
  72
  73 //---------------------------------------------------------------------------------------------
  74
  75 function handle_delete()
  76 {
  77         global $selected_id;
  78
  79         if ($selected_id == "")
  80                 return;
  81         delete_exchange_rate($selected_id);
  82
  83         meta_forward($_SERVER['PHP_SELF']);
  84 }
  85
  86 //---------------------------------------------------------------------------------------------
  87
  88 function display_rates($curr_code)
  89 {
  90         global $table_style;
  91
  92         $result = get_exchange_rates($curr_code);
  93
  94         br(2);
  95         start_table($table_style);
  96         $th = array(_("Date to Use From"), _("Exchange Rate"), "", "");
  97         table_header($th);
  98
  99     $k = 0; //row colour counter
 100
 101     while ($myrow = db_fetch($result))
 102     {
 103
 104                 alt_table_row_color($k);
 105
 106         label_cell(sql2date($myrow["date_"]));
 107                 label_cell(number_format2($myrow["rate_buy"], user_exrate_dec()), "nowrap align=right");
 108                 edit_link_cell("selected_id=" . $myrow["id"]);
 109                 delete_link_cell("selected_id=" . $myrow["id"]. "&delete=1");
 110
 111                 end_row();
 112
 113     } //END WHILE LIST LOOP
 114
 115     end_table();
 116 }
 117
 118 //---------------------------------------------------------------------------------------------
 119
 120 function display_rate_edit()
 121 {
 122         global $selected_id, $table_style2;
 123
 124         start_table($table_style2);
 125
 126         if (isset($_POST['get_rate']))
 127         {
 128                 $_POST['BuyRate'] = get_ecb_rate($_POST['curr_abrev']);
 129                 $_POST['BuyRate'] = number_format($_POST['BuyRate'], user_exrate_dec());
 130         }
 131         if ($selected_id != "")
 132         {
 133                 //editing an existing payment terms
 134
 135                 $myrow = get_exchange_rate($selected_id);
 136
 137                 $_POST['date_'] = sql2date($myrow["date_"]);
 138                 $_POST['BuyRate'] = $myrow["rate_buy"];
 139
 140                 hidden('selected_id', $selected_id);
 141                 hidden('date_', $_POST['date_']);
 142                 hidden('curr_abrev', $_POST['curr_abrev']);
 143
 144                 label_row(_("Date to Use From:"), $_POST['date_']);
 145         }
 146         else
 147         {
 148                 date_row(_("Date to Use From:"), 'date_');
 149         }
 150         text_row(_("Exchange Rate:"), 'BuyRate', null, 15, 12, "", submit('get_rate',_("Get"), false));
 151
 152         end_table(1);
 153
 154         submit_add_or_update_center($selected_id == "");
 155
 156         display_note(_("Exchange rates are entered against the company currency."), 1);
 157 }
 158
 159 //---------------------------------------------------------------------------------------------
 160
 161 function clear_data()
 162 {
 163         unset($_POST['selected_id']);
 164         unset($_POST['date_']);
 165         unset($_POST['BuyRate']);
 166 }
 167
 168 //---------------------------------------------------------------------------------------------
 169
 170 if (isset($_POST['ADD_ITEM']) || isset($_POST['UPDATE_ITEM']))
 171 {
 172
 173         if (handle_submit())
 174         {
 175                 meta_forward($_SERVER['PHP_SELF']);
 176         }
 177 }
 178
 179 //---------------------------------------------------------------------------------------------
 180
 181 if (isset($_GET['delete']))
 182 {
 183
 184         handle_delete();
 185 }
 186
 187 //---------------------------------------------------------------------------------------------
 188
 189 echo "<center>";
 190 start_form(false, true);
 191
 192 if (!isset($_POST['curr_abrev']))
 193         $_POST['curr_abrev'] = get_global_curr_code();
 194
 195 echo _("Select a currency :") . "  ";
 196 currencies_list('curr_abrev', $_POST['curr_abrev'], true);
 197
 198 // if currency sel has changed, clear the form
 199 if ($_POST['curr_abrev'] != get_global_curr_code())
 200 {
 201         clear_data();
 202         $selected_id = "";
 203 }
 204
 205 set_global_curr_code($_POST['curr_abrev']);
 206
 207 if (is_company_currency($_POST['curr_abrev']))
 208 {
 209
 210         display_note(_("The selected currency is the company currency."), 2);
 211         display_note(_("The company currency is the base currency so exchange rates cannot be set for it."), 1);
 212 }
 213 else
 214 {
 215
 216     display_rates($_POST['curr_abrev']);
 217
 218         hyperlink_no_params($_SERVER['PHP_SELF'], _("Enter a New Exchange Rate"));
 219         br(1);
 220
 221     display_rate_edit();
 222 }
 223
 224 end_form();
 225
 226 end_page();
 227
 228 ?>