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Differences Between: [Versions 310 and 311] [Versions 311 and 400] [Versions 311 and 401] [Versions 311 and 402] [Versions 311 and 403] [Versions 39 and 311]

   1  <?php
   2  // This file is part of Moodle - http://moodle.org/
   3  //
   4  // Moodle is free software: you can redistribute it and/or modify
   5  // it under the terms of the GNU General Public License as published by
   6  // the Free Software Foundation, either version 3 of the License, or
   7  // (at your option) any later version.
   8  //
   9  // Moodle is distributed in the hope that it will be useful,
  10  // but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12  // GNU General Public License for more details.
  13  //
  14  // You should have received a copy of the GNU General Public License
  15  // along with Moodle.  If not, see <http://www.gnu.org/licenses/>.
  16  
  17  /**
  18   * This page handles listing of assign overrides
  19   *
  20   * @package    mod_assign
  21   * @copyright  2016 Ilya Tregubov
  22   * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
  23   */
  24  
  25  
  26  require_once(dirname(__FILE__) . '/../../config.php');
  27  require_once($CFG->dirroot.'/mod/assign/lib.php');
  28  require_once($CFG->dirroot.'/mod/assign/locallib.php');
  29  require_once($CFG->dirroot.'/mod/assign/override_form.php');
  30  
  31  
  32  $cmid = required_param('cmid', PARAM_INT);
  33  $mode = optional_param('mode', '', PARAM_ALPHA); // One of 'user' or 'group', default is 'group'.
  34  
  35  $action   = optional_param('action', '', PARAM_ALPHA);
  36  $redirect = $CFG->wwwroot.'/mod/assign/overrides.php?cmid=' . $cmid . '&amp;mode=group';
  37  
  38  list($course, $cm) = get_course_and_cm_from_cmid($cmid, 'assign');
  39  $assign = $DB->get_record('assign', array('id' => $cm->instance), '*', MUST_EXIST);
  40  
  41  require_login($course, false, $cm);
  42  
  43  $context = context_module::instance($cm->id);
  44  
  45  // Check the user has the required capabilities to list overrides.
  46  require_capability('mod/assign:manageoverrides', $context);
  47  
  48  $assigngroupmode = groups_get_activity_groupmode($cm);
  49  $accessallgroups = ($assigngroupmode == NOGROUPS) || has_capability('moodle/site:accessallgroups', $context);
  50  
  51  $overridecountgroup = $DB->count_records('assign_overrides', array('userid' => null, 'assignid' => $assign->id));
  52  
  53  // Get the course groups that the current user can access.
  54  $groups = $accessallgroups ? groups_get_all_groups($cm->course) : groups_get_activity_allowed_groups($cm);
  55  
  56  // Default mode is "group", unless there are no groups.
  57  if ($mode != "user" and $mode != "group") {
  58      if (!empty($groups)) {
  59          $mode = "group";
  60      } else {
  61          $mode = "user";
  62      }
  63  }
  64  $groupmode = ($mode == "group");
  65  
  66  $url = new moodle_url('/mod/assign/overrides.php', array('cmid' => $cm->id, 'mode' => $mode));
  67  
  68  $PAGE->set_url($url);
  69  
  70  if ($action == 'movegroupoverride') {
  71      $id = required_param('id', PARAM_INT);
  72      $dir = required_param('dir', PARAM_ALPHA);
  73  
  74      if (confirm_sesskey()) {
  75          move_group_override($id, $dir, $assign->id);
  76      }
  77      redirect($redirect);
  78  }
  79  
  80  // Display a list of overrides.
  81  $PAGE->set_pagelayout('admin');
  82  $PAGE->set_title(get_string('overrides', 'assign'));
  83  $PAGE->set_heading($course->fullname);
  84  echo $OUTPUT->header();
  85  echo $OUTPUT->heading(format_string($assign->name, true, array('context' => $context)));
  86  
  87  // Delete orphaned group overrides.
  88  $sql = 'SELECT o.id
  89            FROM {assign_overrides} o
  90       LEFT JOIN {groups} g ON o.groupid = g.id
  91           WHERE o.groupid IS NOT NULL
  92                 AND g.id IS NULL
  93                 AND o.assignid = ?';
  94  $params = array($assign->id);
  95  $orphaned = $DB->get_records_sql($sql, $params);
  96  if (!empty($orphaned)) {
  97      $DB->delete_records_list('assign_overrides', 'id', array_keys($orphaned));
  98  }
  99  
 100  $overrides = [];
 101  
 102  // Fetch all overrides.
 103  if ($groupmode) {
 104      $colname = get_string('group');
 105      // To filter the result by the list of groups that the current user has access to.
 106      if ($groups) {
 107          $params = ['assignid' => $assign->id];
 108          list($insql, $inparams) = $DB->get_in_or_equal(array_keys($groups), SQL_PARAMS_NAMED);
 109          $params += $inparams;
 110  
 111          $sql = "SELECT o.*, g.name
 112                    FROM {assign_overrides} o
 113                    JOIN {groups} g ON o.groupid = g.id
 114                   WHERE o.assignid = :assignid AND g.id $insql
 115                ORDER BY o.sortorder";
 116  
 117          $overrides = $DB->get_records_sql($sql, $params);
 118      }
 119  } else {
 120      $colname = get_string('user');
 121      list($sort, $params) = users_order_by_sql('u');
 122      $params['assignid'] = $assign->id;
 123  
 124      $userfieldsapi = \core_user\fields::for_name();
 125      if ($accessallgroups) {
 126          $sql = 'SELECT o.*, ' . $userfieldsapi->get_sql('u', false, '', '', false)->selects . '
 127                    FROM {assign_overrides} o
 128                    JOIN {user} u ON o.userid = u.id
 129                   WHERE o.assignid = :assignid
 130                ORDER BY ' . $sort;
 131  
 132          $overrides = $DB->get_records_sql($sql, $params);
 133      } else if ($groups) {
 134          list($insql, $inparams) = $DB->get_in_or_equal(array_keys($groups), SQL_PARAMS_NAMED);
 135          $params += $inparams;
 136  
 137          $sql = 'SELECT o.*, ' . $userfieldsapi->get_sql('u', false, '', '', false)->selects . '
 138                    FROM {assign_overrides} o
 139                    JOIN {user} u ON o.userid = u.id
 140                    JOIN {groups_members} gm ON u.id = gm.userid
 141                   WHERE o.assignid = :assignid AND gm.groupid ' . $insql . '
 142                ORDER BY ' . $sort;
 143  
 144          $overrides = $DB->get_records_sql($sql, $params);
 145      }
 146  }
 147  
 148  // Initialise table.
 149  $table = new html_table();
 150  $table->headspan = array(1, 2, 1);
 151  $table->colclasses = array('colname', 'colsetting', 'colvalue', 'colaction');
 152  $table->head = array(
 153          $colname,
 154          get_string('overrides', 'assign'),
 155          get_string('action'),
 156  );
 157  
 158  $userurl = new moodle_url('/user/view.php', array());
 159  $groupurl = new moodle_url('/group/overview.php', array('id' => $cm->course));
 160  
 161  $overridedeleteurl = new moodle_url('/mod/assign/overridedelete.php');
 162  $overrideediturl = new moodle_url('/mod/assign/overrideedit.php');
 163  
 164  $hasinactive = false; // Whether there are any inactive overrides.
 165  
 166  foreach ($overrides as $override) {
 167  
 168      $fields = array();
 169      $values = array();
 170      $active = true;
 171  
 172      // Check for inactive overrides.
 173      if (!$groupmode) {
 174          if (!is_enrolled($context, $override->userid)) {
 175              // User not enrolled.
 176              $active = false;
 177          } else if (!\core_availability\info_module::is_user_visible($cm, $override->userid)) {
 178              // User cannot access the module.
 179              $active = false;
 180          }
 181      }
 182  
 183      // Format allowsubmissionsfromdate.
 184      if (isset($override->allowsubmissionsfromdate)) {
 185          $fields[] = get_string('open', 'assign');
 186          $values[] = $override->allowsubmissionsfromdate > 0 ? userdate($override->allowsubmissionsfromdate) : get_string('noopen',
 187              'assign');
 188      }
 189  
 190      // Format duedate.
 191      if (isset($override->duedate)) {
 192          $fields[] = get_string('duedate', 'assign');
 193          $values[] = $override->duedate > 0 ? userdate($override->duedate) : get_string('noclose', 'assign');
 194      }
 195  
 196      // Format cutoffdate.
 197      if (isset($override->cutoffdate)) {
 198          $fields[] = get_string('cutoffdate', 'assign');
 199          $values[] = $override->cutoffdate > 0 ? userdate($override->cutoffdate) : get_string('noclose', 'assign');
 200      }
 201  
 202      // Icons.
 203      $iconstr = '';
 204  
 205      // Edit.
 206      $editurlstr = $overrideediturl->out(true, array('id' => $override->id));
 207      $iconstr = '<a title="' . get_string('edit') . '" href="'. $editurlstr . '">' .
 208              $OUTPUT->pix_icon('t/edit', get_string('edit')) . '</a> ';
 209      // Duplicate.
 210      $copyurlstr = $overrideediturl->out(true,
 211              array('id' => $override->id, 'action' => 'duplicate'));
 212      $iconstr .= '<a title="' . get_string('copy') . '" href="' . $copyurlstr . '">' .
 213              $OUTPUT->pix_icon('t/copy', get_string('copy')) . '</a> ';
 214      // Delete.
 215      $deleteurlstr = $overridedeleteurl->out(true,
 216              array('id' => $override->id, 'sesskey' => sesskey()));
 217      $iconstr .= '<a title="' . get_string('delete') . '" href="' . $deleteurlstr . '">' .
 218                  $OUTPUT->pix_icon('t/delete', get_string('delete')) . '</a> ';
 219  
 220      if ($groupmode) {
 221          $usergroupstr = '<a href="' . $groupurl->out(true,
 222                  array('group' => $override->groupid)) . '" >' . $override->name . '</a>';
 223  
 224          // Move up.
 225          if ($override->sortorder > 1) {
 226              $iconstr .= '<a title="'.get_string('moveup').'" href="overrides.php?cmid=' . $cmid .
 227                  '&amp;id=' . $override->id .'&amp;action=movegroupoverride&amp;dir=up&amp;sesskey='.sesskey().'">' .
 228                  $OUTPUT->pix_icon('t/up', get_string('moveup')) . '</a> ';
 229          } else {
 230              $iconstr .= $OUTPUT->spacer() . ' ';
 231          }
 232  
 233          // Move down.
 234          if ($override->sortorder < $overridecountgroup) {
 235              $iconstr .= '<a title="'.get_string('movedown').'" href="overrides.php?cmid='.$cmid.
 236                  '&amp;id=' . $override->id . '&amp;action=movegroupoverride&amp;dir=down&amp;sesskey='.sesskey().'">' .
 237                  $OUTPUT->pix_icon('t/down', get_string('movedown')) . '</a> ';
 238          } else {
 239              $iconstr .= $OUTPUT->spacer() . ' ';
 240          }
 241  
 242  
 243      } else {
 244          $usergroupstr = html_writer::link($userurl->out(false,
 245                  array('id' => $override->userid, 'course' => $course->id)),
 246                  fullname($override));
 247      }
 248  
 249      $class = '';
 250      if (!$active) {
 251          $class = "dimmed_text";
 252          $usergroupstr .= '*';
 253          $hasinactive = true;
 254      }
 255  
 256      $usergroupcell = new html_table_cell();
 257      $usergroupcell->rowspan = count($fields);
 258      $usergroupcell->text = $usergroupstr;
 259      $actioncell = new html_table_cell();
 260      $actioncell->rowspan = count($fields);
 261      $actioncell->text = $iconstr;
 262  
 263      for ($i = 0; $i < count($fields); ++$i) {
 264          $row = new html_table_row();
 265          $row->attributes['class'] = $class;
 266          if ($i == 0) {
 267              $row->cells[] = $usergroupcell;
 268          }
 269          $cell1 = new html_table_cell();
 270          $cell1->text = $fields[$i];
 271          $row->cells[] = $cell1;
 272          $cell2 = new html_table_cell();
 273          $cell2->text = $values[$i];
 274          $row->cells[] = $cell2;
 275          if ($i == 0) {
 276              $row->cells[] = $actioncell;
 277          }
 278          $table->data[] = $row;
 279      }
 280  }
 281  
 282  // Output the table and button.
 283  echo html_writer::start_tag('div', array('id' => 'assignoverrides'));
 284  if (count($table->data)) {
 285      echo html_writer::table($table);
 286  }
 287  if ($hasinactive) {
 288      echo $OUTPUT->notification(get_string('inactiveoverridehelp', 'assign'), 'dimmed_text');
 289  }
 290  
 291  echo html_writer::start_tag('div', array('class' => 'buttons'));
 292  $options = array();
 293  if ($groupmode) {
 294      if (empty($groups)) {
 295          // There are no groups.
 296          echo $OUTPUT->notification(get_string('groupsnone', 'assign'), 'error');
 297          $options['disabled'] = true;
 298      }
 299      echo $OUTPUT->single_button($overrideediturl->out(true,
 300              array('action' => 'addgroup', 'cmid' => $cm->id)),
 301              get_string('addnewgroupoverride', 'assign'), 'post', $options);
 302  } else {
 303      $users = array();
 304      // See if there are any users in the assign.
 305      if ($accessallgroups) {
 306          $users = get_enrolled_users($context, '', 0, 'u.id');
 307          $nousermessage = get_string('usersnone', 'assign');
 308      } else if ($groups) {
 309          $enrolledjoin = get_enrolled_join($context, 'u.id');
 310          list($ingroupsql, $ingroupparams) = $DB->get_in_or_equal(array_keys($groups), SQL_PARAMS_NAMED);
 311          $params = $enrolledjoin->params + $ingroupparams;
 312          $sql = "SELECT u.id
 313                    FROM {user} u
 314                    JOIN {groups_members} gm ON gm.userid = u.id
 315                         {$enrolledjoin->joins}
 316                   WHERE gm.groupid $ingroupsql
 317                         AND {$enrolledjoin->wheres}
 318                ORDER BY $sort";
 319          $users = $DB->get_records_sql($sql, $params);
 320          $nousermessage = get_string('usersnone', 'assign');
 321      } else {
 322          $nousermessage = get_string('groupsnone', 'assign');
 323      }
 324      $info = new \core_availability\info_module($cm);
 325      $users = $info->filter_user_list($users);
 326  
 327      if (empty($users)) {
 328          // There are no users.
 329          echo $OUTPUT->notification($nousermessage, 'error');
 330          $options['disabled'] = true;
 331      }
 332      echo $OUTPUT->single_button($overrideediturl->out(true,
 333              array('action' => 'adduser', 'cmid' => $cm->id)),
 334              get_string('addnewuseroverride', 'assign'), 'get', $options);
 335  }
 336  echo html_writer::end_tag('div');
 337  echo html_writer::end_tag('div');
 338  
 339  // Finish the page.
 340  echo $OUTPUT->footer();