mod/chat/view.php

   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 // This page prints a particular instance of chat.
  18
  19 require(__DIR__.'/../../config.php');
  20 require_once($CFG->dirroot . '/mod/chat/lib.php');
  21 require_once($CFG->libdir . '/completionlib.php');
  22
  23 $id   = optional_param('id', 0, PARAM_INT);
  24 $c    = optional_param('c', 0, PARAM_INT);
  25 $edit = optional_param('edit', -1, PARAM_BOOL);
  26
  27 if ($id) {
  28     if (! $cm = get_coursemodule_from_id('chat', $id)) {
  29         print_error('invalidcoursemodule');
  30     }
  31
  32     if (! $course = $DB->get_record('course', array('id' => $cm->course))) {
  33         print_error('coursemisconf');
  34     }
  35
  36     chat_update_chat_times($cm->instance);
  37
  38     if (! $chat = $DB->get_record('chat', array('id' => $cm->instance))) {
  39         print_error('invalidid', 'chat');
  40     }
  41
  42 } else {
  43     chat_update_chat_times($c);
  44
  45     if (! $chat = $DB->get_record('chat', array('id' => $c))) {
  46         print_error('coursemisconf');
  47     }
  48     if (! $course = $DB->get_record('course', array('id' => $chat->course))) {
  49         print_error('coursemisconf');
  50     }
  51     if (! $cm = get_coursemodule_from_instance('chat', $chat->id, $course->id)) {
  52         print_error('invalidcoursemodule');
  53     }
  54 }
  55
  56 require_course_login($course, true, $cm);
  57
  58 $context = context_module::instance($cm->id);
  59 $PAGE->set_context($context);
  60
  61 // Show some info for guests.
  62 if (isguestuser()) {
  63     $PAGE->set_title($chat->name);
  64     echo $OUTPUT->header();
  65     echo $OUTPUT->confirm('<p>'.get_string('noguests', 'chat').'</p>'.get_string('liketologin'),
  66             get_login_url(), $CFG->wwwroot.'/course/view.php?id='.$course->id);
  67
  68     echo $OUTPUT->footer();
  69     exit;
  70 }
  71
  72 // Completion and trigger events.
  73 chat_view($chat, $course, $cm, $context);
  74
  75 $strenterchat    = get_string('enterchat', 'chat');
  76 $stridle         = get_string('idle', 'chat');
  77 $strcurrentusers = get_string('currentusers', 'chat');
  78 $strnextsession  = get_string('nextsession', 'chat');
  79
  80 $courseshortname = format_string($course->shortname, true, array('context' => context_course::instance($course->id)));
  81 $title = $courseshortname . ': ' . format_string($chat->name);
  82
  83 // Initialize $PAGE.
  84 $PAGE->set_url('/mod/chat/view.php', array('id' => $cm->id));
  85 $PAGE->set_title($title);
  86 $PAGE->set_heading($course->fullname);
  87
  88 // Print the page header.
  89 echo $OUTPUT->header();
  90
  91 // Check to see if groups are being used here.
  92 $groupmode = groups_get_activity_groupmode($cm);
  93 $currentgroup = groups_get_activity_group($cm, true);
  94
  95 // URL parameters.
  96 $params = array();
  97 if ($currentgroup) {
  98     $groupselect = " AND groupid = '$currentgroup'";
  99     $groupparam = "_group{$currentgroup}";
 100     $params['groupid'] = $currentgroup;
 101 } else {
 102     $groupselect = "";
 103     $groupparam = "";
 104 }
 105
 106 echo $OUTPUT->heading(format_string($chat->name), 2);
 107
 108 if ($chat->intro) {
 109     echo $OUTPUT->box(format_module_intro('chat', $chat, $cm->id), 'generalbox', 'intro');
 110 }
 111
 112 groups_print_activity_menu($cm, $CFG->wwwroot . "/mod/chat/view.php?id=$cm->id");
 113
 114 if (has_capability('mod/chat:chat', $context)) {
 115     // Print the main part of the page.
 116     echo $OUTPUT->box_start('generalbox', 'enterlink');
 117
 118     $now = time();
 119     $span = $chat->chattime - $now;
 120     if ($chat->chattime and $chat->schedule and ($span > 0)) {  // A chat is scheduled.
 121         echo '<p>';
 122         $chatinfo = new stdClass();
 123         $chatinfo->date = userdate($chat->chattime);
 124         $chatinfo->fromnow = format_time($span);
 125         echo get_string('sessionstart', 'chat', $chatinfo);
 126         echo '</p>';
 127     }
 128
 129     $params['id'] = $chat->id;
 130     $chattarget = new moodle_url("/mod/chat/gui_$CFG->chat_method/index.php", $params);
 131     echo '<p>';
 132     echo $OUTPUT->action_link($chattarget,
 133                               $strenterchat,
 134                               new popup_action('click', $chattarget, "chat{$course->id}_{$chat->id}{$groupparam}",
 135                                                array('height' => 500, 'width' => 700)));
 136     echo '</p>';
 137
 138     $params['id'] = $chat->id;
 139     $link = new moodle_url('/mod/chat/gui_basic/index.php', $params);
 140     $action = new popup_action('click', $link, "chat{$course->id}_{$chat->id}{$groupparam}",
 141                                array('height' => 500, 'width' => 700));
 142     echo '<p>';
 143     echo $OUTPUT->action_link($link, get_string('noframesjs', 'message'), $action,
 144                               array('title' => get_string('modulename', 'chat')));
 145     echo '</p>';
 146
 147     if ($chat->studentlogs or has_capability('mod/chat:readlog', $context)) {
 148         if ($msg = chat_get_session_messages($chat->id, $currentgroup)) {
 149             echo '<p>';
 150             echo html_writer::link(new moodle_url('/mod/chat/report.php', array('id' => $cm->id)),
 151                                    get_string('viewreport', 'chat'));
 152             echo '</p>';
 153         }
 154     }
 155
 156     echo $OUTPUT->box_end();
 157
 158 } else {
 159     echo $OUTPUT->box_start('generalbox', 'notallowenter');
 160     echo '<p>'.get_string('notallowenter', 'chat').'</p>';
 161     echo $OUTPUT->box_end();
 162 }
 163
 164 chat_delete_old_users();
 165
 166 if ($chatusers = chat_get_users($chat->id, $currentgroup, $cm->groupingid)) {
 167     $timenow = time();
 168     echo $OUTPUT->box_start('generalbox', 'chatcurrentusers');
 169     echo $OUTPUT->heading($strcurrentusers, 3);
 170     echo '<table>';
 171     foreach ($chatusers as $chatuser) {
 172         $lastping = $timenow - $chatuser->lastmessageping;
 173         echo '<tr><td class="chatuserimage">';
 174         $url = new moodle_url('/user/view.php', array('id' => $chatuser->id, 'course' => $chat->course));
 175         echo html_writer::link($url, $OUTPUT->user_picture($chatuser));
 176         echo '</td><td class="chatuserdetails">';
 177         echo '<p>'.fullname($chatuser).'</p>';
 178         echo '<span class="idletime">'.$stridle.': '.format_time($lastping).'</span>';
 179         echo '</td></tr>';
 180     }
 181     echo '</table>';
 182     echo $OUTPUT->box_end();
 183 }
 184
 185 echo $OUTPUT->footer();