enrol/paypal/enrol.php

   1 <?php  // $Id$
   2        // Implements all the main code for the PayPal plugin
   3
   4 require_once("$CFG->dirroot/enrol/enrol.class.php");
   5
   6
   7 class enrolment_plugin_paypal {
   8
   9
  10 /// Override the base print_entry() function
  11 function print_entry($course) {
  12     global $CFG, $USER;
  13
  14
  15     $strloginto = get_string("loginto", "", $course->shortname);
  16     $strcourses = get_string("courses");
  17
  18     $teacher = get_teacher($course->id);
  19
  20     if ( (float) $course->cost < 0 ) {
  21         $cost = (float) $CFG->enrol_cost;
  22     } else {
  23         $cost = (float) $course->cost;
  24     }
  25
  26     if (abs($cost) < 0.01) { // no cost, default to base class entry to course
  27
  28         $manual = enrolment_factory::factory('manual');
  29         $manual->print_entry($course);
  30
  31     } else {
  32         $navlinks = array();
  33         $navlinks[] = array('name' => $strcourses, 'link' => "$CFG->wwwroot/course", 'type' => 'misc');
  34         $navlinks[] = array('name' => $strloginto, 'link' => null, 'type' => 'misc');
  35         $navigation = build_navigation($navlinks);
  36
  37         print_header($strloginto, $course->fullname, $navigation);
  38         print_course($course, "80%");
  39
  40         if ($course->password) {  // Presenting two options
  41             print_heading(get_string('costorkey', 'enrol_paypal'), 'center');
  42         }
  43
  44         print_simple_box_start("center");
  45
  46         if ($USER->username == 'guest') { // force login only for guest user, not real users with guest role
  47             if (empty($CFG->loginhttps)) {
  48                 $wwwroot = $CFG->wwwroot;
  49             } else {
  50                 // This actually is not so secure ;-), 'cause we're
  51                 // in unencrypted connection...
  52                 $wwwroot = str_replace("http://", "https://", $CFG->wwwroot);
  53             }
  54             echo '<div align="center"><p>'.get_string('paymentrequired').'</p>';
  55             echo '<p><b>'.get_string('cost').": $CFG->enrol_currency $cost".'</b></p>';
  56             echo '<p><a href="'.$wwwroot.'/login/">'.get_string('loginsite').'</a></p>';
  57             echo '</div>';
  58         } else {
  59             //Sanitise some fields before building the PayPal form
  60             $coursefullname  = $course->fullname;
  61             $courseshortname = $course->shortname;
  62             $userfullname    = fullname($USER);
  63             $userfirstname   = $USER->firstname;
  64             $userlastname    = $USER->lastname;
  65             $useraddress     = $USER->address;
  66             $usercity        = $USER->city;
  67
  68             include($CFG->dirroot.'/enrol/paypal/enrol.html');
  69         }
  70
  71         print_simple_box_end();
  72
  73         if ($course->password) {  // Second option
  74             $password = '';
  75             include($CFG->dirroot.'/enrol/manual/enrol.html');
  76         }
  77
  78         print_footer();
  79
  80     }
  81 } // end of function print_entry()
  82
  83
  84
  85
  86 /// Override the get_access_icons() function
  87 function get_access_icons($course) {
  88     global $CFG;
  89
  90     $str = '';
  91
  92     if ( (float) $course->cost < 0) {
  93         $cost = (float) $CFG->enrol_cost;
  94     } else {
  95         $cost = (float) $course->cost;
  96     }
  97
  98     if (abs($cost) < 0.01) {
  99         $manual = enrolment_factory::factory('manual');
 100         $str = $manual->get_access_icons($course);
 101
 102     } else {
 103
 104         $strrequirespayment = get_string("requirespayment");
 105         $strcost = get_string("cost");
 106
 107         if (empty($CFG->enrol_currency)) {
 108             set_config('enrol_currency', 'USD');
 109         }
 110
 111         switch ($CFG->enrol_currency) {
 112            case 'EUR': $currency = '&euro;'; break;
 113            case 'CAD': $currency = '$'; break;
 114            case 'GBP': $currency = '&pound;'; break;
 115            case 'JPY': $currency = '&yen;'; break;
 116            case 'AUD': $currency = '$'; break;
 117            default:    $currency = '$'; break;
 118         }
 119
 120         $str .= '<div class="cost" title="'.$strrequirespayment.'">'.$strcost.': ';
 121         $str .= $currency.format_float($cost,2).'</div>';
 122
 123     }
 124
 125     return $str;
 126 }
 127
 128
 129 /// Override the base class config_form() function
 130 function config_form($frm) {
 131     global $CFG;
 132
 133     $paypalcurrencies = array(  'USD' => 'US Dollars',
 134                                 'EUR' => 'Euros',
 135                                 'JPY' => 'Japanese Yen',
 136                                 'GBP' => 'British Pounds',
 137                                 'CAD' => 'Canadian Dollars',
 138                                 'AUD' => 'Australian Dollars'
 139                              );
 140
 141     $vars = array('enrol_cost', 'enrol_currency', 'enrol_paypalbusiness',
 142                   'enrol_mailstudents', 'enrol_mailteachers', 'enrol_mailadmins');
 143     foreach ($vars as $var) {
 144         if (!isset($frm->$var)) {
 145             $frm->$var = '';
 146         }
 147     }
 148
 149     include("$CFG->dirroot/enrol/paypal/config.html");
 150 }
 151
 152 function process_config($config) {
 153
 154     if (!isset($config->enrol_cost)) {
 155         $config->enrol_cost = 0;
 156     }
 157     set_config('enrol_cost', $config->enrol_cost);
 158
 159     if (!isset($config->enrol_currency)) {
 160         $config->enrol_currency = 'USD';
 161     }
 162     set_config('enrol_currency', $config->enrol_currency);
 163
 164     if (!isset($config->enrol_paypalbusiness)) {
 165         $config->enrol_paypalbusiness = '';
 166     }
 167     $config->enrol_paypalbusiness = trim($config->enrol_paypalbusiness); // remove trailing spaces etc.
 168     set_config('enrol_paypalbusiness', $config->enrol_paypalbusiness);
 169
 170     if (!isset($config->enrol_mailstudents)) {
 171         $config->enrol_mailstudents = '';
 172     }
 173     set_config('enrol_mailstudents', $config->enrol_mailstudents);
 174
 175     if (!isset($config->enrol_mailteachers)) {
 176         $config->enrol_mailteachers = '';
 177     }
 178     set_config('enrol_mailteachers', $config->enrol_mailteachers);
 179
 180     if (!isset($config->enrol_mailadmins)) {
 181         $config->enrol_mailadmins = '';
 182     }
 183     set_config('enrol_mailadmins', $config->enrol_mailadmins);
 184
 185     return true;
 186
 187 }
 188
 189 /**
 190 * This function enables internal enrolment when PayPal is primary and course key is set at the same time.
 191 *
 192 * @param    form    the form data submitted, as an object
 193 * @param    course  the current course, as an object
 194 */
 195 function check_entry($form, $course) {
 196     $manual = enrolment_factory::factory('manual');
 197     $manual->check_entry($form, $course);
 198     if (isset($manual->errormsg)) {
 199         $this->errormsg = $manual->errormsg;
 200     }
 201 }
 202
 203 } // end of class definition
 204
 205 ?>