user/extendenrol.php

   1 <?php  // $Id$
   2 require_once("../config.php");
   3
   4 $id    = required_param('id', PARAM_INT);              // course id
   5 $users = optional_param('userid', array(), PARAM_INT); // array of user id
   6
   7 if (! $course = get_record('course', 'id', $id)) {
   8     error("Course ID is incorrect");
   9 }
  10
  11 $context = get_context_instance(CONTEXT_COURSE, $id);
  12 require_login($course->id);
  13
  14 // to extend enrolments current user needs to be able to do role assignments
  15 require_capability('moodle/role:assign', $context);
  16
  17 if ((count($users) > 0) and ($form = data_submitted()) and confirm_sesskey()) {
  18     if (count($form->userid) != count($form->extendperiod)) {
  19         error('Parameters malformation', $CFG->wwwroot.'/user/index.php?id='.$id);
  20     }
  21
  22     foreach ($form->userid as $k => $v) {
  23         // find all roles this student have in this course
  24         if ($students = get_records_sql("SELECT ra.id, ra.roleid, ra.timestart, ra.timeend
  25                                        FROM {$CFG->prefix}role_assignments ra
  26                                        WHERE userid = $v
  27                                        AND contextid = $context->id")) {
  28             // enrol these users again, with time extension
  29             // not that this is not necessarily a student role
  30             foreach ($students as $student) {
  31                 // only extend if the user can make role assignments on this role
  32                 if (user_can_assign($context, $student->roleid)) {
  33                     role_assign($student->roleid, $v, 0, $context->id, $student->timestart, $student->timeend + $form->extendperiod[$k], 0);
  34                 }
  35             }
  36         }
  37     }
  38
  39     redirect("$CFG->wwwroot/user/index.php?id=$id", get_string('changessaved'));
  40 }
  41
  42 /// Print headers
  43
  44 if ($course->id != SITEID) {
  45     print_header("$course->shortname: ".get_string('extendenrol'), $course->fullname,
  46     "<a href=\"../course/view.php?id=$course->id\">$course->shortname</a> -> ".
  47     get_string('extendenrol'), "", "", true, "&nbsp;", navmenu($course));
  48 } else {
  49     print_header("$course->shortname: ".get_string('extendenrol'), $course->fullname,
  50     get_string('extendenrol'), "", "", true, "&nbsp;", navmenu($course));
  51 }
  52
  53 for ($i=1; $i<=365; $i++) {
  54     $seconds = $i * 86400;
  55     $periodmenu[$seconds] = get_string('numdays', '', $i);
  56 }
  57
  58 print_heading(get_string('extendenrol'));
  59 echo "<form method=\"post\" action=\"extendenrol.php\">\n";
  60 echo '<input type="hidden" name="id" value="'.$course->id.'" />';
  61 echo '<input type="hidden" name="sesskey" value="'.$USER->sesskey.'" />';
  62 $table->head  = array (get_string('fullname'), get_string('enrolmentstart'), get_string('enrolmentend'), get_string('extendperiod'));
  63 $table->align = array ('left', 'center', 'center', 'center');
  64 $table->width = "600";
  65 $timeformat = get_string('strftimedate');
  66 $nochange = get_string('nochange');
  67 $notavailable = get_string('notavailable');
  68 $unlimited = get_string('unlimited');
  69 foreach ($_POST as $k => $v) {
  70     if (preg_match('/^user(\d+)$/',$k,$m)) {
  71
  72         if (!($user = get_record_sql("SELECT * FROM {$CFG->prefix}user u
  73                                     INNER JOIN {$CFG->prefix}role_assignments ra ON u.id=ra.userid
  74                                     WHERE u.id={$m[1]} AND ra.contextid = $context->id"))) {
  75             continue;
  76         }
  77         if ($user->timestart) {
  78             $timestart = userdate($user->timestart, $timeformat);
  79         } else {
  80             $timestart = $notavailable;
  81         }
  82         if ($user->timeend) {
  83             $timeend = userdate($user->timeend, $timeformat);
  84             $checkbox = choose_from_menu($periodmenu, "extendperiod[{$m[1]}]", "0", $nochange, '', '0', true);
  85         } else {
  86             $timeend = $unlimited;
  87             $checkbox = '<input type="hidden" name="extendperiod['.$m[1].']" value="0" />'.$nochange;
  88         }
  89         $table->data[] = array(
  90         fullname($user, true),
  91         $timestart,
  92         $timeend,
  93         '<input type="hidden" name="userid['.$m[1].']" value="'.$m[1].'" />'.$checkbox
  94         );
  95     }
  96 }
  97 print_table($table);
  98 echo "\n<div style=\"width:100%;text-align:center;\"><input type=\"submit\" value=\"".get_string('savechanges')."\" /></div>\n</form>\n";
  99
 100 print_footer($course);
 101 ?>