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 include_once($path_to_root . "/includes/date_functions.inc");
   8 include_once($path_to_root . "/includes/ui.inc");
   9 include_once($path_to_root . "/includes/banking.inc");
  10
  11 $js = "";
  12 if ($use_date_picker)
  13         $js .= get_js_date_picker();
  14 page(_("Exchange Rates"), false, false, "", $js);
  15
  16 //---------------------------------------------------------------------------------------------
  17
  18 if (isset($_GET['selected_id']))
  19 {
  20         $selected_id = $_GET['selected_id'];
  21 }
  22 elseif (isset($_POST['selected_id']))
  23 {
  24         $selected_id = $_POST['selected_id'];
  25 }
  26 else
  27         $selected_id = "";
  28 //---------------------------------------------------------------------------------------------
  29 function check_data()
  30 {
  31         if (!is_date($_POST['date_']))
  32         {
  33                 display_error( _("The entered date is invalid."));
  34                 return false;
  35         }
  36         if (!check_num('BuyRate', 0))
  37         {
  38                 display_error( _("The exchange rate must be numeric and greater than zero."));
  39                 return false;
  40         }
  41         if ($_POST['BuyRate'] <= 0)
  42         {
  43                 display_error( _("The exchange rate cannot be zero or a negative number."));
  44                 return false;
  45         }
  46
  47         return true;
  48 }
  49
  50 //---------------------------------------------------------------------------------------------
  51
  52 function handle_submit()
  53 {
  54         global $selected_id;
  55
  56         if (!check_data())
  57                 return false;
  58
  59         if ($selected_id != "")
  60         {
  61
  62                 update_exchange_rate($_POST['curr_abrev'], $_POST['date_'],
  63                  input_num('BuyRate'), input_num('BuyRate'));
  64         }
  65         else
  66         {
  67
  68                 add_exchange_rate($_POST['curr_abrev'], $_POST['date_'],
  69                     input_num('BuyRate'), input_num('BuyRate'));
  70         }
  71
  72         return true;
  73 }
  74
  75 //---------------------------------------------------------------------------------------------
  76
  77 function handle_delete()
  78 {
  79         global $selected_id;
  80
  81         if ($selected_id == "")
  82                 return;
  83         delete_exchange_rate($selected_id);
  84
  85         meta_forward($_SERVER['PHP_SELF']);
  86 }
  87
  88 //---------------------------------------------------------------------------------------------
  89
  90 function display_rates($curr_code)
  91 {
  92         global $table_style;
  93
  94         $result = get_exchange_rates($curr_code);
  95
  96         br(2);
  97         start_table($table_style);
  98         $th = array(_("Date to Use From"), _("Exchange Rate"), "", "");
  99         table_header($th);
 100
 101     $k = 0; //row colour counter
 102
 103     while ($myrow = db_fetch($result))
 104     {
 105
 106                 alt_table_row_color($k);
 107
 108         label_cell(sql2date($myrow["date_"]));
 109                 label_cell(number_format2($myrow["rate_buy"], user_exrate_dec()), "nowrap align=right");
 110                 edit_link_cell("selected_id=" . $myrow["id"]);
 111                 delete_link_cell("selected_id=" . $myrow["id"]. "&delete=1");
 112
 113                 end_row();
 114
 115     } //END WHILE LIST LOOP
 116
 117     end_table();
 118 }
 119
 120 //---------------------------------------------------------------------------------------------
 121
 122 function display_rate_edit()
 123 {
 124         global $selected_id, $table_style2;
 125
 126         start_table($table_style2);
 127
 128         if (isset($_POST['get_rate']))
 129         {
 130                 $_POST['BuyRate'] = exrate_format(get_ecb_rate($_POST['curr_abrev']));
 131         }
 132         if ($selected_id != "")
 133         {
 134                 //editing an existing exchange rate
 135
 136                 $myrow = get_exchange_rate($selected_id);
 137
 138                 $_POST['date_'] = sql2date($myrow["date_"]);
 139                 $_POST['BuyRate'] = exrate_format($myrow["rate_buy"]);
 140
 141                 hidden('selected_id', $selected_id);
 142                 hidden('date_', $_POST['date_']);
 143                 hidden('curr_abrev', $_POST['curr_abrev']);
 144
 145                 label_row(_("Date to Use From:"), $_POST['date_']);
 146         }
 147         else
 148         {
 149                 date_row(_("Date to Use From:"), 'date_');
 150         }
 151         small_amount_row(_("Exchange Rate:"), 'BuyRate', null, '',
 152           submit('get_rate',_("Get")), user_exrate_dec());
 153
 154         end_table(1);
 155
 156         submit_add_or_update_center($selected_id == "");
 157
 158         display_note(_("Exchange rates are entered against the company currency."), 1);
 159 }
 160
 161 //---------------------------------------------------------------------------------------------
 162
 163 function clear_data()
 164 {
 165         unset($_POST['selected_id']);
 166         unset($_POST['date_']);
 167         unset($_POST['BuyRate']);
 168 }
 169
 170 //---------------------------------------------------------------------------------------------
 171
 172 if (isset($_POST['ADD_ITEM']) || isset($_POST['UPDATE_ITEM']))
 173 {
 174
 175         if (handle_submit())
 176         {
 177                 meta_forward($_SERVER['PHP_SELF']);
 178         }
 179 }
 180
 181 //---------------------------------------------------------------------------------------------
 182
 183 if (isset($_GET['delete']))
 184 {
 185
 186         handle_delete();
 187 }
 188
 189 //---------------------------------------------------------------------------------------------
 190
 191 echo "<center>";
 192 start_form(false, true);
 193
 194 if (!isset($_POST['curr_abrev']))
 195         $_POST['curr_abrev'] = get_global_curr_code();
 196
 197 echo _("Select a currency :") . "  ";
 198 currencies_list('curr_abrev', $_POST['curr_abrev'], true);
 199
 200 // if currency sel has changed, clear the form
 201 if ($_POST['curr_abrev'] != get_global_curr_code())
 202 {
 203         clear_data();
 204         $selected_id = "";
 205 }
 206
 207 set_global_curr_code($_POST['curr_abrev']);
 208
 209 if (is_company_currency($_POST['curr_abrev']))
 210 {
 211
 212         display_note(_("The selected currency is the company currency."), 2);
 213         display_note(_("The company currency is the base currency so exchange rates cannot be set for it."), 1);
 214 }
 215 else
 216 {
 217
 218     display_rates($_POST['curr_abrev']);
 219
 220         hyperlink_no_params($_SERVER['PHP_SELF'], _("Enter a New Exchange Rate"));
 221         br(1);
 222
 223     display_rate_edit();
 224 }
 225
 226 end_form();
 227
 228 end_page();
 229
 230 ?>