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locallib.php
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locallib.php
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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 block timestat
*
* This files lists the functions that are used during the log report generation.
*
* @package block_timestat
* @copyright 2014 Barbara Dębska, Łukasz Sanokowski, Łukasz Musiał
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
use core_user\fields;
defined('MOODLE_INTERNAL') || die;
if (!defined('REPORT_LOG_MAX_DISPLAY')) {
define('REPORT_LOG_MAX_DISPLAY', 150); // Days.
}
/**
* This function is used to generate and display Mnet selector form
*
* @param int $hostid host id
* @param stdClass $course course instance
* @param int $selecteduser id of the selected user
* @param string $selecteddatefrom Date from selected
* @param string $selecteddateto Date to selected
* @param int $modid number or 'site_errors'
* @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 $logformat Format of the logs (downloadascsv, showashtml, downloadasods, downloadasexcel)
* @return void
* @throws coding_exception
* @throws dml_exception
* @throws moodle_exception
* @uses CONTEXT_SYSTEM
* @uses COURSE_MAX_COURSES_PER_DROPDOWN
* @uses CONTEXT_COURSE
* @uses SEPARATEGROUPS
*/
function block_timestat_report_log_print_mnet_selector_form($hostid, $course, $selecteduser = 0, $selecteddatefrom = 'today',
$selecteddateto = 'today', $modid = 0, $selectedgroup = -1, $showcourses = 0,
$showusers = 0, $logformat = 'showashtml'): void {
global $USER, $CFG, $SITE, $DB, $SESSION;
require_once($CFG->dirroot . '/mnet/peer.php');
$mnetpeer = new mnet_peer();
$mnetpeer->set_id($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;
}
$sitecontext = context_system::instance();
// Context for remote data is always SITE.
// Groups for remote data are always OFF.
if ($hostid == $CFG->mnet_localhost_id) {
$context = context_course::instance($course->id);
// Setup for group handling.
if ($course->groupmode == SEPARATEGROUPS && !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 = [];
// 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 : '';
$allusernamefields = implode(',', fields::get_name_fields(true));
if ($hostid == $CFG->mnet_localhost_id && $course->id != SITEID) {
$courseusers = get_enrolled_users($context, '', $selectedgroup, 'u.id, ' . $allusernamefields,
null, $limitfrom, $limitnum);
} else {
$courseusers = $DB->get_records('user', ['deleted' => 0], 'lastaccess DESC', 'id, ' . $allusernamefields,
$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);
$dropdown = [];
foreach ($hostarray as $hostid => $name) {
$courses = [];
$sites = [];
if ($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, [$hostid])) {
foreach ($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);
$dropdown[] = [$name => ($sites + $courses)];
}
$activities = [];
$selectedactivity = "";
$modinfo = get_fast_modinfo($course);
if (!empty($modinfo->cms)) {
$section = 0;
foreach ($modinfo->cms as $cm) {
if (!$cm->uservisible || !$cm->has_view()) {
continue;
}
if ($cm->sectionnum > 0 && $section <> $cm->sectionnum) {
$activities["section/$cm->sectionnum"] = '--- ' . get_section_name($course, $cm->sectionnum) . ' ---';
}
$section = $cm->sectionnum;
$modname = strip_tags($cm->get_formatted_name());
if (core_text::strlen($modname) > 55) {
$modname = core_text::substr($modname, 0, 50) . "...";
}
if (!$cm->visible) {
$modname = "(" . $modname . ")";
}
$activities["$cm->id"] = $modname;
if ($cm->id == $modid) {
$selectedactivity = "$cm->id";
}
}
}
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 = [
'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.
$dates = [
"0" => get_string('alldays'),
"$timemidnight" => get_string("today") . ", " . userdate($timenow, $strftimedate),
];
if (!$course->startdate || ($course->startdate > $timenow)) {
$course->startdate = $course->timecreated;
}
$numdates = 1;
while ($timemidnight > $course->startdate && $numdates < 365) {
$timemidnight = $timemidnight - 86400;
$timenow = $timenow - 86400;
$dates["$timemidnight"] = userdate($timenow, $strftimedaydate);
$numdates++;
}
if (!empty($selecteddate)) {
if ($selecteddate === "today") {
$selecteddate = $today;
}
}
echo "<form class=\"logselectform\" action=\"$CFG->wwwroot/blocks/timestat/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' : $course->id;
echo html_writer::label(get_string('selectacoursesite'), 'menuhost_course', false, ['class' => 'accesshide']);
echo html_writer::select($dropdown, "host_course", $hostid . '/' . $cid);
} else {
$courses = [];
$courses[$course->id] = get_course_display_name_for_list($course) . ((empty($course->category)) ?
' (' . get_string('site') . ') ' : '');
echo html_writer::label(get_string('selectacourse'), 'menuid', false, ['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/blocks/timestat/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 {
$groups = [];
}
echo html_writer::label(get_string('selectagroup'), 'menugroup', false, ['class' => 'accesshide']);
echo html_writer::select($groups, "group", $selectedgroup, get_string("allgroups"));
}
if ($showusers) {
echo html_writer::label(get_string('participantslist'), 'menuuser', false, ['class' => 'accesshide']);
echo html_writer::select($users, "user", $selecteduser, get_string("allparticipants"));
} else {
$users = [];
if (!empty($selecteduser)) {
$user = $DB->get_record('user', ['id' => $selecteduser]);
$users[$selecteduser] = fullname($user);
} else {
$users[0] = get_string('allparticipants');
}
echo html_writer::label(get_string('participantslist'), 'menuuser', false, ['class' => 'accesshide']);
echo html_writer::select($users, "user", $selecteduser, false);
$a = new stdClass();
$a->url = "$CFG->wwwroot/blocks/timestat/index.php?chooselog=0&group=$selectedgroup&user=$selecteduser"
. "&id=$course->id&date=$selecteddate&modid=$selectedactivity&showusers=1&showcourses=$showcourses";
print_string('logtoomanyusers', 'moodle', $a);
}
echo html_writer::label(get_string('showreports'), 'menumodid', false, ['class' => 'accesshide']);
echo html_writer::select($activities, "modid", $selectedactivity, get_string("allactivities"));
echo html_writer::label(get_string('actions'), 'menumodaction', false, ['class' => 'accesshide']);
$logformats = ['showashtml' => get_string('displayonpage'),
'downloadasexcel' => get_string('downloadexcel')];
echo html_writer::label(get_string('logsformat', 'report_log'), 'menulogformat', false, ['class' => 'accesshide']);
echo html_writer::select($logformats, 'logformat', $logformat, false);
$mform = new block_timestat_calendar();
$mform->set_data(['datefrom' => $selecteddatefrom]);
$mform->set_data(['dateto' => $selecteddateto]);
$mform->display();
echo '</div>';
echo '</form>';
}
/**
* This function is used to generate and display selector form
*
* @param stdClass $course course instance
* @param int $selecteduser id of the selected user
* @param string $selecteddate Date selected
* @param string $modid number or 'site_errors'
* @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 $logformat Format of the logs (downloadascsv, showashtml, downloadasods, downloadasexcel)
* @return void
* @uses CONTEXT_SYSTEM
* @uses COURSE_MAX_COURSES_PER_DROPDOWN
* @uses CONTEXT_COURSE
* @uses SEPARATEGROUPS
*/
function block_timestat_report_log_print_selector_form($course, $selecteduser = 0, $selecteddate = 'today', $modid = 0,
$selectedgroup = -1, $showcourses = 0, $showusers = 0,
$logformat = 'showashtml') {
global $USER, $CFG, $DB, $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 = context_system::instance();
$context = context_course::instance($course->id);
// Setup for group handling.
if ($course->groupmode == SEPARATEGROUPS && !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 = [];
// 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 : '';
$allusernamefields = implode(',', fields::get_name_fields(true));
$courseusers = get_enrolled_users($context, '', $selectedgroup, 'u.id, ' . $allusernamefields,
null, $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 = [];
$selectedactivity = "";
$modinfo = get_fast_modinfo($course);
if (!empty($modinfo->cms)) {
$section = 0;
foreach ($modinfo->cms as $cm) {
if (!$cm->uservisible || !$cm->has_view()) {
continue;
}
if ($cm->sectionnum > 0 && $section <> $cm->sectionnum) {
$activities["section/$cm->sectionnum"] = '--- ' . get_section_name($course, $cm->sectionnum) . ' ---';
}
$section = $cm->sectionnum;
$modname = strip_tags($cm->get_formatted_name());
if (core_text::strlen($modname) > 55) {
$modname = core_text::substr($modname, 0, 50) . "...";
}
if (!$cm->visible) {
$modname = "(" . $modname . ")";
}
$activities["$cm->id"] = $modname;
if ($cm->id == $modid) {
$selectedactivity = "$cm->id";
}
}
}
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 = [
'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.
$dates = ["$timemidnight" => get_string("today") . ", " . userdate($timenow, $strftimedate)];
if (!$course->startdate || ($course->startdate > $timenow)) {
$course->startdate = $course->timecreated;
}
$numdates = 1;
while ($timemidnight > $course->startdate && $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/blocks/timestat/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) && $showcourses) {
echo html_writer::label(get_string('selectacourse'), 'menuid', false, ['class' => 'accesshide']);
echo html_writer::select($courses, "id", $course->id, false);
} else {
$courses = [];
$courses[$course->id] = get_course_display_name_for_list($course) . (($course->id == SITEID) ?
' (' . get_string('site') . ') ' : '');
echo html_writer::label(get_string('selectacourse'), 'menuid', false, ['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/blocks/timestat/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 {
$groups = [];
}
echo html_writer::label(get_string('selectagroup'), 'menugroup', false, ['class' => 'accesshide']);
echo html_writer::select($groups, "group", $selectedgroup, get_string("allgroups"));
}
if ($showusers) {
echo html_writer::label(get_string('selctauser'), 'menuuser', false, ['class' => 'accesshide']);
echo html_writer::select($users, "user", $selecteduser, get_string("allparticipants"));
} else {
$users = [];
if (!empty($selecteduser)) {
$user = $DB->get_record('user', ['id' => $selecteduser]);
$users[$selecteduser] = fullname($user);
} else {
$users[0] = get_string('allparticipants');
}
echo html_writer::label(get_string('selctauser'), 'menuuser', false, ['class' => 'accesshide']);
echo html_writer::select($users, "user", $selecteduser, false);
$a = new stdClass();
$a->url = "$CFG->wwwroot/blocks/timestat/index.php?chooselog=0&group=$selectedgroup&user=$selecteduser"
. "&id=$course->id&date=$selecteddate&modid=$selectedactivity&showusers=1&showcourses=$showcourses";
print_string('logtoomanyusers', 'moodle', $a);
}
echo html_writer::label(get_string('activities'), 'menumodid', false, ['class' => 'accesshide']);
echo html_writer::select($activities, "modid", $selectedactivity, get_string("allactivities"));
echo html_writer::label(get_string('actions'), 'menumodaction', false, ['class' => 'accesshide']);
$logformats = ['showashtml' => get_string('displayonpage'),
'downloadasexcel' => get_string('downloadexcel')];
echo html_writer::label(get_string('logsformat', 'report_log'), 'menulogformat', false, ['class' => 'accesshide']);
echo html_writer::select($logformats, 'logformat', $logformat, false);
$mform = new block_timestat_calendar();
$mform->set_data(['datefrom' => $course->startdate]);
$mform->display();
echo '</div>';
echo '</form>';
}
/**
* This function is used to generate and display selector form
*
* @param stdClass $course course instance
* @param int $user user instance
* @param int $datefrom
* @param int $dateto
* @param string $order
* @param int $page
* @param int $perpage
* @param string $url
* @param string $modname
* @param int $modid
* @param string $modaction
* @param int $groupid
* @throws coding_exception
*/
function block_timestat_print_log($course, $user = 0, $datefrom = 0, $dateto = 0, $order = "l.timecreated ASC", $page = 0,
$perpage = 100, $url = "", $modname = "", $modid = 0, $modaction = "", $groupid = 0) {
global $CFG, $OUTPUT;
if (!$logs = block_timestat_build_logs_array($course, $user, $datefrom, $dateto, $order, $page * $perpage, $perpage,
$modname, $modid, $modaction, $groupid)) {
echo $OUTPUT->notification(get_string('nologs', 'block_timestat'));
echo $OUTPUT->footer();
exit;
}
$courses = [];
if ($course->id == SITEID) {
$courses[0] = '';
if ($ccc = get_courses('all', 'c.id ASC', 'c.id,c.shortname')) {
foreach ($ccc as $cc) {
$courses[$cc->id] = $cc->shortname;
}
}
} else {
$courses[$course->id] = $course->shortname;
}
$totalcount = $logs['totalcount'];
$count = 0;
$ldcache = [];
$tt = getdate(time());
$today = mktime(0, 0, 0, $tt["mon"], $tt["mday"], $tt["year"]);
$strftimedatetime = get_string("strftimedatetime");
echo "<div class=\"info\">\n";
print_string("displayingrecords", "", $totalcount);
echo "</div>\n";
echo $OUTPUT->paging_bar($totalcount, $page, $perpage, "$url&perpage=$perpage");
$table = new html_table();
$table->attributes['class'] = 'generaltable';
$table->align = ['right', 'left', 'left'];
$table->head = [
get_string('fullnameuser'),
get_string('time'),
];
$table->data = [];
if ($course->id == SITEID) {
array_unshift($table->align, 'left');
array_unshift($table->head, get_string('course'));
}
// Make sure that the logs array is an array, even it is empty, to avoid warnings from the foreach.
if (empty($logs['logs'])) {
$logs['logs'] = [];
}
foreach ($logs['logs'] as $log) {
$row = [];
if ($course->id == SITEID) {
if (empty($log->course)) {
$row[] = get_string('site');
} else {
$row[] = "<a href=\"$CFG->wwwroot/course/view.php?id=$log->course\">" .
format_string($courses[$log->course]) . "</a>";
}
}
$row[] = html_writer::link(new moodle_url("/user/view.php?id={$log->userid}"),
fullname($log, has_capability('moodle/site:viewfullnames',
context_course::instance($course->id))));
$row[] = block_timestat_seconds_to_stringtime($log->{'timespent'});
$table->data[] = $row;
}
echo html_writer::table($table);
echo $OUTPUT->paging_bar($totalcount, $page, $perpage, "$url&perpage=$perpage");
}
/**
* This function is used to build array of logs
*
* @param stdClass $course course instance
* @param int $user userid
* @param int $datefrom
* @param int $dateto
* @param string $order
* @param int $limitfrom
* @param int $limitnum
* @param string $modname
* @param int $modid
* @param string $modaction
* @param int $groupid
* @return array
* @throws coding_exception
*/
function block_timestat_build_logs_array($course, $user = 0, $datefrom = 0, $dateto = 0, $order = "l.timecreated ASC",
$limitfrom = 0, $limitnum = 0,
$modname = "", $modid = 0, $modaction = "", $groupid = 0): array {
global $DB, $SESSION, $USER;
// It is assumed that $date is the GMT time of midnight for that day,
// And so the next 86400 seconds worth of logs are printed.
// Setup for group handling.
// If the group mode is separate, and this user does not have editing privileges,
// Then only the user's group can be viewed.
if ($course->groupmode == SEPARATEGROUPS && !has_capability('moodle/course:managegroups',
context_course::instance($course->id))) {
if (isset($SESSION->currentgroup[$course->id])) {
$groupid = $SESSION->currentgroup[$course->id];
} else {
$groupid = groups_get_all_groups($course->id, $USER->id);
if (is_array($groupid)) {
$groupid = array_shift(array_keys($groupid));
$SESSION->currentgroup[$course->id] = $groupid;
} else {
$groupid = 0;
}
}
} else {
if (!$course->groupmode) {
$groupid = 0;
}
}
$joins = [];
$params = [];
if ($course->id != SITEID || $modid != 0) {
$joins[] = "l.courseid = :courseid";
$params['courseid'] = $course->id;
}
if ($modname) {
$joins[] = "l.module = :modname";
$params['modname'] = $modname;
}
if ('site_errors' === $modid) {
$joins[] = "( l.action='error' OR l.action='infected' )";
} else if ($modid) {
$joins[] = "l.contextinstanceid = :modid";
$params['modid'] = $modid;
}
if ($modaction) {
$firstletter = substr($modaction, 0, 1);
if ($firstletter == '-') {
$joins[] = $DB->sql_like('l.action', ':modaction', false, true, true);
$params['modaction'] = '%' . substr($modaction, 1) . '%';
} else {
$joins[] = $DB->sql_like('l.action', ':modaction', false);
$params['modaction'] = '%' . $modaction . '%';
}
}
// Getting all members of a group.
if ($groupid && !$user) {
if ($gusers = groups_get_members($groupid)) {
$gusers = array_keys($gusers);
$joins[] = 'l.userid IN (' . implode(',', $gusers) . ')';
} else {
$joins[] = 'l.userid = 0'; // No users in groups, so we want something that will always be false.
}
} else {
if ($user) {
$params['userid'] = $user;
}
}
if ($datefrom) {
$enddate = $datefrom + 86400;
$joins[] = "l.timecreated > :date AND l.timecreated < :enddate";
$params['date'] = $datefrom;
$params['enddate'] = $dateto;
}
$selector = implode(' AND ', $joins);
$totalcount = 0; // Initialise.
$result = [];
$result['logs'] = block_timestat_get_logs($selector, $totalcount, $params, $limitfrom, $limitnum);
$result['totalcount'] = $totalcount;
return $result;
}
/**
* Select all log records based on SQL criteria
*
* @param string $select SQL select criteria
* @param int $totalcount Passed in by reference.
* @param array $params named sql type params
* @param int $limitfrom return a subset of records, starting at this point (optional, required if $limitnum is set)
* @param int $limitnum return a subset comprising this many records (optional, required if $limitfrom is set)
* @return array
*/
function block_timestat_get_logs($select, &$totalcount, array $params = null, $limitfrom = 0, $limitnum = 0) {
global $DB, $CFG;
$selectsql = "";
$countsql = "";
$userid = "";
$andcount = "";
$userid = $params['userid'] ?? 0;
if ($CFG->dbtype != 'mysqli') {
$select = str_replace('l.', 'l2.', $select);
if ($select) {
if ($userid == 0) {
$andcount = ' AND f2.timespent > 0 ';
}
$select = " AND $select" . $andcount;
}
} else {
if ($userid == 0) {
$andcount = ' AND bt.timespent > 0 ';
}
$select = "WHERE $select" . $andcount;
}
$allusernamefields = implode(',', fields::get_name_fields(true));
$useridselect = '';
if ($userid) {
$useridselect .= "AND userid = :userid";
}
if ($CFG->dbtype != 'mysqli') {
$sql = "
SELECT DISTINCT l.userid, $allusernamefields,
(SELECT SUM(f2.timespent) FROM {logstore_standard_log} l2
JOIN {block_timestat} f2 ON f2.log_id = l2.id WHERE l2.userid = l.userid $select)
as timespent
FROM {logstore_standard_log} l
JOIN {block_timestat} f2 ON f2.log_id = l.id
LEFT JOIN {user} u ON l.userid = u.id
WHERE
(SELECT SUM(f2.timespent) FROM {logstore_standard_log} l2
JOIN {block_timestat} f2 ON f2.log_id = l2.id WHERE l2.userid = l.userid
) > 0 $useridselect ORDER BY timespent DESC
";
} else {
$sql = "SELECT l.userid, SUM(bt.timespent) as timespent, $allusernamefields
FROM {logstore_standard_log} l
LEFT JOIN {user} u ON l.userid = u.id RIGHT JOIN {block_timestat} bt ON l.id = bt.log_id
$select
GROUP BY l.userid ORDER BY timespent DESC
";
}
$results = $DB->get_records_sql($sql, $params, $limitfrom, $limitnum);
$totalcount = count($results);
return $results;
}
require_once($CFG->libdir . '/formslib.php');
/**
*
* Form to select start and end date ranges and session time.
*
* @package block_timestat
* @copyright 2010 onwards Barbara Dębska, Łukasz Musiał, Łukasz Sanokowski
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
class block_timestat_calendar extends moodleform {
/**
* Define the form - called by parent constructor
*/
public function definition() {
$mform = &$this->_form;
$mform->addElement('date_time_selector', 'datefrom', get_string('start', 'block_timestat'));
$mform->addElement('date_time_selector', 'dateto', get_string('end', 'block_timestat'));
// Buttons.
$this->add_action_buttons(false, get_string('calculate', 'block_timestat'));
}
}
/**
* Function to print the log in xls format.
*
* @param stdClass $course
* @param int $user
* @param int $datefrom
* @param int $dateto
* @param string $modname
* @param int $modid
* @param string $modaction
* @param int $groupid
* @param string $order
* @throws coding_exception
*/
function block_timestat_print_log_xls($course, $user, $datefrom, $dateto, $modname, $modid, $modaction, $groupid, $order = 'l.time DESC') {
global $CFG;
require_once("$CFG->libdir/excellib.class.php");
if (!$logs = block_timestat_build_logs_array($course, $user, $datefrom, $dateto, $order, '', '',
$modname, $modid, $modaction, $groupid)) {
return false;
}
$courses = [];
if ($course->id == SITEID) {
$courses[0] = '';
if ($ccc = get_courses('all', 'c.id ASC', 'c.id,c.shortname')) {
foreach ($ccc as $cc) {
$courses[$cc->id] = $cc->shortname;
}
}
} else {
$courses[$course->id] = $course->shortname;
}
$count = 0;
$ldcache = [];
$tt = getdate(time());
$today = mktime(0, 0, 0, $tt["mon"], $tt["mday"], $tt["year"]);
$strftimedatetime = get_string("strftimedatetime");
$nropages = ceil(count($logs) / (EXCELROWS - FIRSTUSEDEXCELROW + 1));
$filename = 'logs_' . userdate(time(), get_string('backupnameformat', 'langconfig'), 99, false);
$filename .= '.xls';
$workbook = new MoodleExcelWorkbook('-');
$workbook->send($filename);
$worksheet = [];
$headers = [get_string('fullnameuser'), get_string('time')];
// Creating worksheets.
for ($wsnumber = 1; $wsnumber <= $nropages; $wsnumber++) {
$sheettitle = get_string('logs') . ' ' . $wsnumber . '-' . $nropages;
$worksheet[$wsnumber] = $workbook->add_worksheet($sheettitle);
$worksheet[$wsnumber]->set_column(1, 1, 30);
$worksheet[$wsnumber]->write_string(0, 0, get_string('savedat') .
userdate(time(), $strftimedatetime));
$col = 0;
foreach ($headers as $item) {
$worksheet[$wsnumber]->write(FIRSTUSEDEXCELROW - 1, $col, $item, '');
$col++;
}
}
if (empty($logs['logs'])) {
$workbook->close();
return true;
}
$formatdate = $workbook->add_format();
$formatdate->set_num_format(get_string('log_excel_date_format'));
$row = FIRSTUSEDEXCELROW;
$wsnumber = 1;
$myxls = $worksheet[$wsnumber];
foreach ($logs['logs'] as $log) {
if ($nropages > 1 && $row > EXCELROWS) {
$wsnumber++;
$myxls = $worksheet[$wsnumber];
$row = FIRSTUSEDEXCELROW;
}
$fullname = $log->firstname . " " . $log->lastname;
$myxls->write($row, 0, $fullname, '');
$myxls->write($row, 1, block_timestat_seconds_to_stringtime($log->{'timespent'}), '');
$row++;
}
$workbook->close();
return true;
}
/**
* Function to convert a number of seconds to a string with hours, minutes and seconds.
*
* @param int $seconds
* @return string
* @throws dml_exception|coding_exception
*/
function block_timestat_seconds_to_stringtime($seconds) {