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<?php
// This file is part of Moodle - http://moodle.org/
//
// Moodle is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// Moodle is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with Moodle. If not, see <http://www.gnu.org/licenses/>.
/**
* This file contains functions used by the log reports
*
* This files lists the functions that are used during the log report generation.
*
* @package report_log
* @copyright 1999 onwards Martin Dougiamas (http://dougiamas.com)
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
defined('MOODLE_INTERNAL') || die;
if (!defined('REPORT_LOG_MAX_DISPLAY')) {
define('REPORT_LOG_MAX_DISPLAY', 150); // days
}
require_once(dirname(__FILE__).'/lib.php');
/**
* This function is used to generate and display the log activity graph
*
* @global stdClass $CFG
* @param stdClass $course course instance
* @param int $userid id of the user whose logs are needed
* @param string $type type of logs graph needed (usercourse.png/userday.png)
* @param int $date timestamp in GMT (seconds since epoch)
* @return void
*/
function report_log_print_graph($course, $userid, $type, $date=0) {
global $CFG;
if (empty($CFG->gdversion)) {
echo "(".get_string("gdneed").")";
} else {
echo '<img src="'.$CFG->wwwroot.'/report/log/graph.php?id='.$course->id.
'&amp;user='.$userid.'&amp;type='.$type.'&amp;date='.$date.'" alt="" />';
}
}
/**
* This function is used to generate and display Mnet selector form
*
* @global stdClass $USER
* @global stdClass $CFG
* @global stdClass $SITE
* @global moodle_database $DB
* @global core_renderer $OUTPUT
* @global stdClass $SESSION
* @uses CONTEXT_SYSTEM
* @uses COURSE_MAX_COURSES_PER_DROPDOWN
* @uses CONTEXT_COURSE
* @uses SEPARATEGROUPS
* @param int $hostid host id
* @param stdClass $course course instance
* @param int $selecteduser id of the selected user
* @param string $selecteddate Date selected
* @param string $modname course_module->id
* @param string $modid number or 'site_errors'
* @param string $modaction an action as recorded in the logs
* @param int $selectedgroup Group to display
* @param int $showcourses whether to show courses if we're over our limit.
* @param int $showusers whether to show users if we're over our limit.
* @param string $logformat Format of the logs (downloadascsv, showashtml, downloadasods, downloadasexcel)
* @return void
*/
function report_log_print_mnet_selector_form($hostid, $course, $selecteduser=0, $selecteddate='today',
$modname="", $modid=0, $modaction='', $selectedgroup=-1, $showcourses=0, $showusers=0, $logformat='showashtml') {
global $USER, $CFG, $SITE, $DB, $OUTPUT, $SESSION;
require_once $CFG->dirroot.'/mnet/peer.php';
$mnet_peer = new mnet_peer();
$mnet_peer->set_id($hostid);
$sql = "SELECT DISTINCT course, hostid, coursename FROM {mnet_log}";
$courses = $DB->get_records_sql($sql);
$remotecoursecount = count($courses);
// first check to see if we can override showcourses and showusers
$numcourses = $remotecoursecount + $DB->count_records('course');
if ($numcourses < COURSE_MAX_COURSES_PER_DROPDOWN && !$showcourses) {
$showcourses = 1;
}
$sitecontext = get_context_instance(CONTEXT_SYSTEM);
// Context for remote data is always SITE
// Groups for remote data are always OFF
if ($hostid == $CFG->mnet_localhost_id) {
$context = get_context_instance(CONTEXT_COURSE, $course->id);
/// Setup for group handling.
if ($course->groupmode == SEPARATEGROUPS and !has_capability('moodle/site:accessallgroups', $context)) {
$selectedgroup = -1;
$showgroups = false;
} else if ($course->groupmode) {
$showgroups = true;
} else {
$selectedgroup = 0;
$showgroups = false;
}
if ($selectedgroup === -1) {
if (isset($SESSION->currentgroup[$course->id])) {
$selectedgroup = $SESSION->currentgroup[$course->id];
} else {
$selectedgroup = groups_get_all_groups($course->id, $USER->id);
if (is_array($selectedgroup)) {
$selectedgroup = array_shift(array_keys($selectedgroup));
$SESSION->currentgroup[$course->id] = $selectedgroup;
} else {
$selectedgroup = 0;
}
}
}
} else {
$context = $sitecontext;
}
// Get all the possible users
$users = array();
// Define limitfrom and limitnum for queries below
// If $showusers is enabled... don't apply limitfrom and limitnum
$limitfrom = empty($showusers) ? 0 : '';
$limitnum = empty($showusers) ? COURSE_MAX_USERS_PER_DROPDOWN + 1 : '';
// If looking at a different host, we're interested in all our site users
if ($hostid == $CFG->mnet_localhost_id && $course->id != SITEID) {
$courseusers = get_enrolled_users($context, '', $selectedgroup, 'u.id, u.firstname, u.lastname, u.idnumber', 'lastname ASC, firstname ASC', $limitfrom, $limitnum);
} else {
// this may be a lot of users :-(
$courseusers = $DB->get_records('user', array('deleted'=>0), 'lastaccess DESC', 'id, firstname, lastname, idnumber', $limitfrom, $limitnum);
}
if (count($courseusers) < COURSE_MAX_USERS_PER_DROPDOWN && !$showusers) {
$showusers = 1;
}
if ($showusers) {
if ($courseusers) {
foreach ($courseusers as $courseuser) {
$users[$courseuser->id] = fullname($courseuser, has_capability('moodle/site:viewfullnames', $context));
}
}
$users[$CFG->siteguest] = get_string('guestuser');
}
// Get all the hosts that have log records
$sql = "select distinct
h.id,
h.name
from
{mnet_host} h,
{mnet_log} l
where
h.id = l.hostid
order by
h.name";
if ($hosts = $DB->get_records_sql($sql)) {
foreach($hosts as $host) {
$hostarray[$host->id] = $host->name;
}
}
$hostarray[$CFG->mnet_localhost_id] = $SITE->fullname;
asort($hostarray);
$dropdown = array();
foreach($hostarray as $hostid => $name) {
$courses = array();
$sites = array();
if ($CFG->mnet_localhost_id == $hostid) {
if (has_capability('report/log:view', $sitecontext) && $showcourses) {
if ($ccc = $DB->get_records("course", null, "fullname","id,shortname,fullname,category")) {
foreach ($ccc as $cc) {
if ($cc->id == SITEID) {
$sites["$hostid/$cc->id"] = format_string($cc->fullname).' ('.get_string('site').')';
} else {
$courses["$hostid/$cc->id"] = format_string(get_course_display_name_for_list($cc));
}
}
}
}
} else {
if (has_capability('report/log:view', $sitecontext) && $showcourses) {
$sql = "SELECT DISTINCT course, coursename FROM {mnet_log} where hostid = ?";
if ($ccc = $DB->get_records_sql($sql, array($hostid))) {
foreach ($ccc as $cc) {
if (1 == $cc->course) { // TODO: this might be wrong - site course may have another id
$sites["$hostid/$cc->course"] = $cc->coursename.' ('.get_string('site').')';
} else {
$courses["$hostid/$cc->course"] = $cc->coursename;
}
}
}
}
}
asort($courses);
$dropdown[] = array($name=>($sites + $courses));
}
$activities = array();
$selectedactivity = "";
/// Casting $course->modinfo to string prevents one notice when the field is null
if ($modinfo = unserialize((string)$course->modinfo)) {
$section = 0;
$sections = get_all_sections($course->id);
foreach ($modinfo as $mod) {
if ($mod->mod == "label") {
continue;
}
if ($mod->section > 0 and $section <> $mod->section) {
$activities["section/$mod->section"] = '--- '.get_section_name($course, $sections[$mod->section]).' ---';
}
$section = $mod->section;
$mod->name = strip_tags(format_string($mod->name, true));
if (textlib::strlen($mod->name) > 55) {
$mod->name = textlib::substr($mod->name, 0, 50)."...";
}
if (!$mod->visible) {
$mod->name = "(".$mod->name.")";
}
$activities["$mod->cm"] = $mod->name;
if ($mod->cm == $modid) {
$selectedactivity = "$mod->cm";
}
}
}
if (has_capability('report/log:view', $sitecontext) && !$course->category) {
$activities["site_errors"] = get_string("siteerrors");
if ($modid === "site_errors") {
$selectedactivity = "site_errors";
}
}
$strftimedate = get_string("strftimedate");
$strftimedaydate = get_string("strftimedaydate");
asort($users);
// Prepare the list of action options.
$actions = array(
'view' => get_string('view'),
'add' => get_string('add'),
'update' => get_string('update'),
'delete' => get_string('delete'),
'-view' => get_string('allchanges')
);
// Get all the possible dates
// Note that we are keeping track of real (GMT) time and user time
// User time is only used in displays - all calcs and passing is GMT
$timenow = time(); // GMT
// What day is it now for the user, and when is midnight that day (in GMT).
$timemidnight = $today = usergetmidnight($timenow);
// Put today up the top of the list
$dates = array(
"0" => get_string('alldays'),
"$timemidnight" => get_string("today").", ".userdate($timenow, $strftimedate)
);
if (!$course->startdate or ($course->startdate > $timenow)) {
$course->startdate = $course->timecreated;
}
$numdates = 1;
while ($timemidnight > $course->startdate and $numdates < 365) {
$timemidnight = $timemidnight - 86400;
$timenow = $timenow - 86400;
$dates["$timemidnight"] = userdate($timenow, $strftimedaydate);
$numdates++;
}
if ($selecteddate === "today") {
$selecteddate = $today;
}
echo "<form class=\"logselectform\" action=\"$CFG->wwwroot/report/log/index.php\" method=\"get\">\n";
echo "<div>\n";//invisible fieldset here breaks wrapping
echo "<input type=\"hidden\" name=\"chooselog\" value=\"1\" />\n";
echo "<input type=\"hidden\" name=\"showusers\" value=\"$showusers\" />\n";
echo "<input type=\"hidden\" name=\"showcourses\" value=\"$showcourses\" />\n";
if (has_capability('report/log:view', $sitecontext) && $showcourses) {
$cid = empty($course->id)? '1' : $course->id;
echo html_writer::label(get_string('selectacoursesite'), 'menuhost_course', false, array('class' => 'accesshide'));
echo html_writer::select($dropdown, "host_course", $hostid.'/'.$cid);
} else {
$courses = array();
$courses[$course->id] = get_course_display_name_for_list($course) . ((empty($course->category)) ? ' ('.get_string('site').') ' : '');
echo html_writer::label(get_string('selectacourse'), 'menuid', false, array('class' => 'accesshide'));
echo html_writer::select($courses,"id",$course->id, false);
if (has_capability('report/log:view', $sitecontext)) {
$a = new stdClass();
$a->url = "$CFG->wwwroot/report/log/index.php?chooselog=0&group=$selectedgroup&user=$selecteduser"
."&id=$course->id&date=$selecteddate&modid=$selectedactivity&showcourses=1&showusers=$showusers";
print_string('logtoomanycourses','moodle',$a);
}
}
if ($showgroups) {
if ($cgroups = groups_get_all_groups($course->id)) {
foreach ($cgroups as $cgroup) {
$groups[$cgroup->id] = $cgroup->name;
}
}
else {
$groups = array();
}
echo html_writer::label(get_string('selectagroup'), 'menugroup', false, array('class' => 'accesshide'));
echo html_writer::select($groups, "group", $selectedgroup, get_string("allgroups"));
}
if ($showusers) {
echo html_writer::label(get_string('participantslist'), 'menuuser', false, array('class' => 'accesshide'));
echo html_writer::select($users, "user", $selecteduser, get_string("allparticipants"));
}
else {
$users = array();
if (!empty($selecteduser)) {
$user = $DB->get_record('user', array('id'=>$selecteduser));
$users[$selecteduser] = fullname($user);
}
else {
$users[0] = get_string('allparticipants');
}
echo html_writer::label(get_string('participantslist'), 'menuuser', false, array('class' => 'accesshide'));
echo html_writer::select($users, "user", $selecteduser, false);
$a->url = "$CFG->wwwroot/report/log/index.php?chooselog=0&group=$selectedgroup&user=$selecteduser"
."&id=$course->id&date=$selecteddate&modid=$selectedactivity&showusers=1&showcourses=$showcourses";
print_string('logtoomanyusers','moodle',$a);
}
echo html_writer::label(get_string('date'), 'menudate', false, array('class' => 'accesshide'));
echo html_writer::select($dates, "date", $selecteddate, false);
echo html_writer::label(get_string('showreports'), 'menumodid', false, array('class' => 'accesshide'));
echo html_writer::select($activities, "modid", $selectedactivity, get_string("allactivities"));
echo html_writer::label(get_string('actions'), 'menumodaction', false, array('class' => 'accesshide'));
echo html_writer::select($actions, 'modaction', $modaction, get_string("allactions"));
$logformats = array('showashtml' => get_string('displayonpage'),
'downloadascsv' => get_string('downloadtext'),
'downloadasods' => get_string('downloadods'),
'downloadasexcel' => get_string('downloadexcel'));
echo html_writer::label(get_string('logsformat', 'report_log'), 'menulogformat', false, array('class' => 'accesshide'));
echo html_writer::select($logformats, 'logformat', $logformat, false);
echo '<input type="submit" value="'.get_string('gettheselogs').'" />';
echo '</div>';
echo '</form>';
}
/**
* This function is used to generate and display selector form
*
* @global stdClass $USER
* @global stdClass $CFG
* @global moodle_database $DB
* @global core_renderer $OUTPUT
* @global stdClass $SESSION
* @uses CONTEXT_SYSTEM
* @uses COURSE_MAX_COURSES_PER_DROPDOWN
* @uses CONTEXT_COURSE
* @uses SEPARATEGROUPS
* @param stdClass $course course instance
* @param int $selecteduser id of the selected user
* @param string $selecteddate Date selected
* @param string $modname course_module->id
* @param string $modid number or 'site_errors'
* @param string $modaction an action as recorded in the logs
* @param int $selectedgroup Group to display
* @param int $showcourses whether to show courses if we're over our limit.
* @param int $showusers whether to show users if we're over our limit.
* @param string $logformat Format of the logs (downloadascsv, showashtml, downloadasods, downloadasexcel)
* @return void
*/
function report_log_print_selector_form($course, $selecteduser=0, $selecteddate='today',
$modname="", $modid=0, $modaction='', $selectedgroup=-1, $showcourses=0, $showusers=0, $logformat='showashtml') {
global $USER, $CFG, $DB, $OUTPUT, $SESSION;
// first check to see if we can override showcourses and showusers
$numcourses = $DB->count_records("course");
if ($numcourses < COURSE_MAX_COURSES_PER_DROPDOWN && !$showcourses) {
$showcourses = 1;
}
$sitecontext = get_context_instance(CONTEXT_SYSTEM);
$context = get_context_instance(CONTEXT_COURSE, $course->id);
/// Setup for group handling.
if ($course->groupmode == SEPARATEGROUPS and !has_capability('moodle/site:accessallgroups', $context)) {
$selectedgroup = -1;
$showgroups = false;
} else if ($course->groupmode) {
$showgroups = true;
} else {
$selectedgroup = 0;
$showgroups = false;
}
if ($selectedgroup === -1) {
if (isset($SESSION->currentgroup[$course->id])) {
$selectedgroup = $SESSION->currentgroup[$course->id];
} else {
$selectedgroup = groups_get_all_groups($course->id, $USER->id);
if (is_array($selectedgroup)) {
$selectedgroup = array_shift(array_keys($selectedgroup));
$SESSION->currentgroup[$course->id] = $selectedgroup;
} else {
$selectedgroup = 0;
}
}
}
// Get all the possible users
$users = array();
// Define limitfrom and limitnum for queries below
// If $showusers is enabled... don't apply limitfrom and limitnum
$limitfrom = empty($showusers) ? 0 : '';
$limitnum = empty($showusers) ? COURSE_MAX_USERS_PER_DROPDOWN + 1 : '';
$courseusers = get_enrolled_users($context, '', $selectedgroup, 'u.id, u.firstname, u.lastname', 'lastname ASC, firstname ASC', $limitfrom, $limitnum);
if (count($courseusers) < COURSE_MAX_USERS_PER_DROPDOWN && !$showusers) {
$showusers = 1;
}
if ($showusers) {
if ($courseusers) {
foreach ($courseusers as $courseuser) {
$users[$courseuser->id] = fullname($courseuser, has_capability('moodle/site:viewfullnames', $context));
}
}
$users[$CFG->siteguest] = get_string('guestuser');
}
if (has_capability('report/log:view', $sitecontext) && $showcourses) {
if ($ccc = $DB->get_records("course", null, "fullname", "id,shortname,fullname,category")) {
foreach ($ccc as $cc) {
if ($cc->category) {
$courses["$cc->id"] = format_string(get_course_display_name_for_list($cc));
} else {
$courses["$cc->id"] = format_string($cc->fullname) . ' (Site)';
}
}
}
asort($courses);
}
$activities = array();
$selectedactivity = "";
/// Casting $course->modinfo to string prevents one notice when the field is null
if ($modinfo = unserialize((string)$course->modinfo)) {
$section = 0;
$sections = get_all_sections($course->id);
foreach ($modinfo as $mod) {
if ($mod->mod == "label") {
continue;
}
if ($mod->section > 0 and $section <> $mod->section) {
$activities["section/$mod->section"] = '--- '.get_section_name($course, $sections[$mod->section]).' ---';
}
$section = $mod->section;
$mod->name = strip_tags(format_string($mod->name, true));
if (textlib::strlen($mod->name) > 55) {
$mod->name = textlib::substr($mod->name, 0, 50)."...";
}
if (!$mod->visible) {
$mod->name = "(".$mod->name.")";
}
$activities["$mod->cm"] = $mod->name;
if ($mod->cm == $modid) {
$selectedactivity = "$mod->cm";
}
}
}
if (has_capability('report/log:view', $sitecontext) && ($course->id == SITEID)) {
$activities["site_errors"] = get_string("siteerrors");
if ($modid === "site_errors") {
$selectedactivity = "site_errors";
}
}
$strftimedate = get_string("strftimedate");
$strftimedaydate = get_string("strftimedaydate");
asort($users);
// Prepare the list of action options.
$actions = array(
'view' => get_string('view'),
'add' => get_string('add'),
'update' => get_string('update'),
'delete' => get_string('delete'),
'-view' => get_string('allchanges')
);
// Get all the possible dates
// Note that we are keeping track of real (GMT) time and user time
// User time is only used in displays - all calcs and passing is GMT
$timenow = time(); // GMT
// What day is it now for the user, and when is midnight that day (in GMT).
$timemidnight = $today = usergetmidnight($timenow);
// Put today up the top of the list
$dates = array("$timemidnight" => get_string("today").", ".userdate($timenow, $strftimedate) );
if (!$course->startdate or ($course->startdate > $timenow)) {
$course->startdate = $course->timecreated;
}
$numdates = 1;
while ($timemidnight > $course->startdate and $numdates < 365) {
$timemidnight = $timemidnight - 86400;
$timenow = $timenow - 86400;
$dates["$timemidnight"] = userdate($timenow, $strftimedaydate);
$numdates++;
}
if ($selecteddate == "today") {
$selecteddate = $today;
}
echo "<form class=\"logselectform\" action=\"$CFG->wwwroot/report/log/index.php\" method=\"get\">\n";
echo "<div>\n";
echo "<input type=\"hidden\" name=\"chooselog\" value=\"1\" />\n";
echo "<input type=\"hidden\" name=\"showusers\" value=\"$showusers\" />\n";
echo "<input type=\"hidden\" name=\"showcourses\" value=\"$showcourses\" />\n";
if (has_capability('report/log:view', $sitecontext) && $showcourses) {
echo html_writer::label(get_string('selectacourse'), 'menuid', false, array('class' => 'accesshide'));
echo html_writer::select($courses, "id", $course->id, false);
} else {
// echo '<input type="hidden" name="id" value="'.$course->id.'" />';
$courses = array();
$courses[$course->id] = get_course_display_name_for_list($course) . (($course->id == SITEID) ? ' ('.get_string('site').') ' : '');
echo html_writer::label(get_string('selectacourse'), 'menuid', false, array('class' => 'accesshide'));
echo html_writer::select($courses,"id",$course->id, false);
if (has_capability('report/log:view', $sitecontext)) {
$a = new stdClass();
$a->url = "$CFG->wwwroot/report/log/index.php?chooselog=0&group=$selectedgroup&user=$selecteduser"
."&id=$course->id&date=$selecteddate&modid=$selectedactivity&showcourses=1&showusers=$showusers";
print_string('logtoomanycourses','moodle',$a);
}
}
if ($showgroups) {
if ($cgroups = groups_get_all_groups($course->id)) {
foreach ($cgroups as $cgroup) {
$groups[$cgroup->id] = $cgroup->name;
}
}
else {
$groups = array();
}
echo html_writer::label(get_string('selectagroup'), 'menugroup', false, array('class' => 'accesshide'));
echo html_writer::select($groups, "group", $selectedgroup, get_string("allgroups"));
}
if ($showusers) {
echo html_writer::label(get_string('selctauser'), 'menuuser', false, array('class' => 'accesshide'));
echo html_writer::select($users, "user", $selecteduser, get_string("allparticipants"));
}
else {
$users = array();
if (!empty($selecteduser)) {
$user = $DB->get_record('user', array('id'=>$selecteduser));
$users[$selecteduser] = fullname($user);
}
else {
$users[0] = get_string('allparticipants');
}
echo html_writer::label(get_string('selctauser'), 'menuuser', false, array('class' => 'accesshide'));
echo html_writer::select($users, "user", $selecteduser, false);
$a = new stdClass();
$a->url = "$CFG->wwwroot/report/log/index.php?chooselog=0&group=$selectedgroup&user=$selecteduser"
."&id=$course->id&date=$selecteddate&modid=$selectedactivity&showusers=1&showcourses=$showcourses";
print_string('logtoomanyusers','moodle',$a);
}
echo html_writer::label(get_string('date'), 'menudate', false, array('class' => 'accesshide'));
echo html_writer::select($dates, "date", $selecteddate, get_string("alldays"));
echo html_writer::label(get_string('activities'), 'menumodid', false, array('class' => 'accesshide'));
echo html_writer::select($activities, "modid", $selectedactivity, get_string("allactivities"));
echo html_writer::label(get_string('actions'), 'menumodaction', false, array('class' => 'accesshide'));
echo html_writer::select($actions, 'modaction', $modaction, get_string("allactions"));
$logformats = array('showashtml' => get_string('displayonpage'),
'downloadascsv' => get_string('downloadtext'),
'downloadasods' => get_string('downloadods'),
'downloadasexcel' => get_string('downloadexcel'));
echo html_writer::label(get_string('logsformat', 'report_log'), 'menulogformat', false, array('class' => 'accesshide'));
echo html_writer::select($logformats, 'logformat', $logformat, false);
echo '<input type="submit" value="'.get_string('gettheselogs').'" />';
echo '</div>';
echo '</form>';
}
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