/**
* Gather course overview data and print the chart.
*
* @param int $report represents the report type field on the course overview report filter.
* @param int $time represents the time period field on the course overview report filter.
* @param int $numcourses represents the number of courses field on the course overview report filter.
* @return void
*/
function report_courseoverview_print_chart($report, $time, $numcourses)
{
global $DB, $OUTPUT, $PAGE;
$param = stats_get_parameters($time, $report, SITEID, STATS_MODE_RANKED);
if (!empty($param->sql)) {
$sql = $param->sql;
} else {
$sql = "SELECT courseid, {$param->fields}\n FROM {" . 'stats_' . $param->table . "}\n WHERE timeend >= {$param->timeafter}\n AND stattype = 'activity'\n AND roleid = 0\n GROUP BY courseid\n {$param->extras}\n ORDER BY {$param->orderby}";
}
$courses = $DB->get_records_sql($sql, $param->params, 0, $numcourses);
if (empty($courses)) {
$PAGE->set_url('/report/courseoverview/index.php');
print_error('statsnodata', 'error', $PAGE->url->out());
}
$data = [];
$i = 0;
foreach ($courses as $c) {
$data['labels'][$i] = $DB->get_field('course', 'shortname', array('id' => $c->courseid));
// Line3 represents the third column of the report table except for the most active users report.
// It is a float number and can be participation radio or activity per user.
if (isset($c->line3)) {
$data['series'][$i] = round($c->line3, 2);
} else {
$data['series'][$i] = $c->{$param->graphline};
}
$i++;
}
$chart = new \core\chart_bar();
$series = new \core\chart_series($param->{$param->graphline}, $data['series']);
$chart->add_series($series);
$chart->set_labels($data['labels']);
echo $OUTPUT->render($chart);
}
if (empty($earliestweek)) {
$earliestweek = time();
}
if (empty($earliestmonth)) {
$earliestmonth = time();
}
$now = stats_get_base_daily();
$lastweekend = stats_get_base_weekly();
$lastmonthend = stats_get_base_monthly();
$timeoptions = stats_get_time_options($now, $lastweekend, $lastmonthend, $earliestday, $earliestweek, $earliestmonth);
if (empty($timeoptions)) {
print_error('nostatstodisplay', '', $CFG->wwwroot . '/course/user.php?id=' . $course->id . '&user='******'&mode=outline');
}
// use the earliest.
$time = array_pop(array_keys($timeoptions));
$param = stats_get_parameters($time, STATS_REPORT_USER_VIEW, $course->id, STATS_MODE_DETAILED);
$param->table = 'user_' . $param->table;
$sql = 'SELECT timeend,' . $param->fields . ' FROM ' . $CFG->prefix . 'stats_' . $param->table . ' WHERE ' . ($course->id == SITEID ? '' : ' courseid = ' . $course->id . ' AND ') . ' userid = ' . $user->id . ' AND timeend >= ' . $param->timeafter . $param->extras . ' ORDER BY timeend DESC';
$stats = get_records_sql($sql);
if (empty($stats)) {
print_error('nostatstodisplay', '', $CFG->wwwroot . '/course/user.php?id=' . $course->id . '&user='******'&mode=outline');
}
// MDL-10818, do not display broken graph when user has no permission to view graph
if ($myreports or has_capability('coursereport/stats:view', $coursecontext)) {
echo '<center><img src="' . $CFG->wwwroot . '/course/report/stats/graph.php?mode=' . STATS_MODE_DETAILED . '&course=' . $course->id . '&time=' . $time . '&report=' . STATS_REPORT_USER_VIEW . '&userid=' . $user->id . '" alt="' . get_string('statisticsgraph') . '" /></center>';
}
// What the heck is this about? -- MD
$stats = stats_fix_zeros($stats, $param->timeafter, $param->table, !empty($param->line2), !empty($param->line3));
$table = new object();
$table->align = array('left', 'center', 'center', 'center');
$param->table = str_replace('user_', '', $param->table);
<?php
// $Id: reportsgraph.php,v 1.8.2.3 2008/11/29 14:30:58 skodak Exp $
require_once '../../../config.php';
require_once $CFG->dirroot . '/lib/statslib.php';
require_once $CFG->dirroot . '/lib/graphlib.php';
$report = required_param('report', PARAM_INT);
$time = required_param('time', PARAM_INT);
$numcourses = required_param('numcourses', PARAM_INT);
require_login();
require_capability('report/courseoverview:view', get_context_instance(CONTEXT_SYSTEM));
stats_check_uptodate();
$param = stats_get_parameters($time, $report, SITEID, STATS_MODE_RANKED);
if (!empty($param->sql)) {
$sql = $param->sql;
} else {
$sql = "SELECT courseid," . $param->fields . " FROM " . $CFG->prefix . 'stats_' . $param->table . " WHERE timeend >= {$param->timeafter} AND stattype = 'activity' AND roleid = 0" . " GROUP BY courseid " . $param->extras . " ORDER BY " . $param->orderby;
}
$courses = get_records_sql($sql, 0, $numcourses);
if (empty($courses)) {
print_error('statsnodata', "", $CFG->wwwroot . '/' . $CFG->admin . '/report/courseoverview/index.php');
}
$graph = new graph(750, 400);
$graph->parameter['legend'] = 'outside-right';
$graph->parameter['legend_size'] = 10;
$graph->parameter['x_axis_angle'] = 90;
$graph->parameter['title'] = false;
// moodle will do a nicer job.
$graph->y_tick_labels = null;
$graph->offset_relation = null;
if ($report != STATS_REPORT_ACTIVE_COURSES) {
require_login($course);
}
if (!report_stats_can_access_user_report($user, $course, true)) {
require_capability('report/stats:view', $coursecontext);
}
} else {
require_capability('report/stats:view', $coursecontext);
}
add_to_log($course->id, 'course', 'report stats', "report/stats/graph.php?userid=$userid&id=$course->id&mode=$mode&roleid=$roleid", $course->id);
stats_check_uptodate($course->id);
$param = stats_get_parameters($time,$report,$course->id,$mode);
if (!empty($userid)) {
$param->table = 'user_'.$param->table;
}
// TODO: cleanup this ugly mess!
$sql = 'SELECT '.((empty($param->fieldscomplete)) ? 'id,roleid,timeend,' : '').$param->fields
.' FROM {stats_'.$param->table.'} WHERE '
.(($course->id == SITEID) ? '' : ' courseid = '.$course->id.' AND ')
.((!empty($userid)) ? ' userid = '.$userid.' AND ' : '')
.((!empty($roleid)) ? ' roleid = '.$roleid.' AND ' : '')
. ((!empty($param->stattype)) ? ' stattype = \''.$param->stattype.'\' AND ' : '')
.' timeend >= '.$param->timeafter
.' '.$param->extras
.' ORDER BY timeend DESC';
function report_stats_report($course, $report, $mode, $user, $roleid, $time) {
global $CFG, $DB, $OUTPUT;
if ($user) {
$userid = $user->id;
} else {
$userid = 0;
}
$courses = get_courses('all','c.shortname','c.id,c.shortname,c.fullname');
$courseoptions = array();
foreach ($courses as $c) {
$context = context_course::instance($c->id);
if (has_capability('report/stats:view', $context)) {
$courseoptions[$c->id] = format_string($c->shortname, true, array('context' => $context));
}
}
$reportoptions = stats_get_report_options($course->id, $mode);
$timeoptions = report_stats_timeoptions($mode);
if (empty($timeoptions)) {
print_error('nostatstodisplay', '', $CFG->wwwroot.'/course/view.php?id='.$course->id);
}
$users = array();
$table = new html_table();
$table->width = 'auto';
if ($mode == STATS_MODE_DETAILED) {
$param = stats_get_parameters($time,null,$course->id,$mode); // we only care about the table and the time string (if we have time)
//TODO: lceanup this ugly mess
$sql = 'SELECT DISTINCT s.userid, u.firstname, u.lastname, u.idnumber
FROM {stats_user_'.$param->table.'} s
JOIN {user} u ON u.id = s.userid
WHERE courseid = '.$course->id
. ((!empty($param->stattype)) ? ' AND stattype = \''.$param->stattype.'\'' : '')
. ((!empty($time)) ? ' AND timeend >= '.$param->timeafter : '')
.' ORDER BY u.lastname, u.firstname ASC';
if (!$us = $DB->get_records_sql($sql, $param->params)) {
print_error('nousers');
}
foreach ($us as $u) {
$users[$u->userid] = fullname($u, true);
}
$table->align = array('left','left','left','left','left','left','left','left');
$table->data[] = array(get_string('course'),html_writer::select($courseoptions,'course',$course->id,false),
get_string('users'),html_writer::select($users,'userid',$userid,false),
get_string('statsreporttype'),html_writer::select($reportoptions,'report',($report == 5) ? $report.$roleid : $report,false),
get_string('statstimeperiod'),html_writer::select($timeoptions,'time',$time,false),
'<input type="submit" value="'.get_string('view').'" />') ;
} else if ($mode == STATS_MODE_RANKED) {
$table->align = array('left','left','left','left','left','left');
$table->data[] = array(get_string('statsreporttype'),html_writer::select($reportoptions,'report',($report == 5) ? $report.$roleid : $report,false),
get_string('statstimeperiod'),html_writer::select($timeoptions,'time',$time,false),
'<input type="submit" value="'.get_string('view').'" />') ;
} else if ($mode == STATS_MODE_GENERAL) {
$table->align = array('left','left','left','left','left','left','left');
$table->data[] = array(get_string('course'),html_writer::select($courseoptions,'course',$course->id,false),
get_string('statsreporttype'),html_writer::select($reportoptions,'report',($report == 5) ? $report.$roleid : $report,false),
get_string('statstimeperiod'),html_writer::select($timeoptions,'time',$time,false),
'<input type="submit" value="'.get_string('view').'" />') ;
}
echo '<form action="index.php" method="post">'."\n"
.'<div>'."\n"
.'<input type="hidden" name="mode" value="'.$mode.'" />'."\n";
echo html_writer::table($table);
echo '</div>';
echo '</form>';
if (!empty($report) && !empty($time)) {
if ($report == STATS_REPORT_LOGINS && $course->id != SITEID) {
print_error('reportnotavailable');
}
$param = stats_get_parameters($time,$report,$course->id,$mode);
if ($mode == STATS_MODE_DETAILED) {
$param->table = 'user_'.$param->table;
}
if (!empty($param->sql)) {
$sql = $param->sql;
} else {
//TODO: lceanup this ugly mess
$sql = 'SELECT '.((empty($param->fieldscomplete)) ? 'id,roleid,timeend,' : '').$param->fields
.' FROM {stats_'.$param->table.'} WHERE '
.(($course->id == SITEID) ? '' : ' courseid = '.$course->id.' AND ')
.((!empty($userid)) ? ' userid = '.$userid.' AND ' : '')
.((!empty($roleid)) ? ' roleid = '.$roleid.' AND ' : '')
. ((!empty($param->stattype)) ? ' stattype = \''.$param->stattype.'\' AND ' : '')
.' timeend >= '.$param->timeafter
.' '.$param->extras
.' ORDER BY timeend DESC';
}
$stats = $DB->get_records_sql($sql);
if (empty($stats)) {
echo $OUTPUT->notification(get_string('statsnodata'));
} else {
$stats = stats_fix_zeros($stats,$param->timeafter,$param->table,(!empty($param->line2)));
echo $OUTPUT->heading(format_string($course->shortname).' - '.get_string('statsreport'.$report)
.((!empty($user)) ? ' '.get_string('statsreportforuser').' ' .fullname($user,true) : '')
.((!empty($roleid)) ? ' '.$DB->get_field('role','name', array('id'=>$roleid)) : ''));
if (empty($CFG->gdversion)) {
echo "(".get_string("gdneed").")";
} else {
if ($mode == STATS_MODE_DETAILED) {
echo '<div class="graph"><img src="'.$CFG->wwwroot.'/report/stats/graph.php?mode='.$mode.'&course='.$course->id.'&time='.$time.'&report='.$report.'&userid='.$userid.'" alt="'.get_string('statisticsgraph').'" /></div';
} else {
echo '<div class="graph"><img src="'.$CFG->wwwroot.'/report/stats/graph.php?mode='.$mode.'&course='.$course->id.'&time='.$time.'&report='.$report.'&roleid='.$roleid.'" alt="'.get_string('statisticsgraph').'" /></div>';
}
}
$table = new html_table();
$table->align = array('left','center','center','center');
$param->table = str_replace('user_','',$param->table);
switch ($param->table) {
case 'daily' : $period = get_string('day'); break;
case 'weekly' : $period = get_string('week'); break;
case 'monthly': $period = get_string('month', 'form'); break;
default : $period = '';
}
$table->head = array(get_string('periodending','moodle',$period));
if (empty($param->crosstab)) {
$table->head[] = $param->line1;
if (!empty($param->line2)) {
$table->head[] = $param->line2;
}
}
if (!file_exists($CFG->dirroot.'/report/log/index.php')) {
// bad luck, we can not link other report
} else if (empty($param->crosstab)) {
foreach ($stats as $stat) {
$a = array(userdate($stat->timeend-(60*60*24),get_string('strftimedate'),$CFG->timezone),$stat->line1);
if (isset($stat->line2)) {
$a[] = $stat->line2;
}
if (empty($CFG->loglifetime) || ($stat->timeend-(60*60*24)) >= (time()-60*60*24*$CFG->loglifetime)) {
if (has_capability('report/log:view', context_course::instance($course->id))) {
$a[] = '<a href="'.$CFG->wwwroot.'/report/log/index.php?id='.
$course->id.'&chooselog=1&showusers=1&showcourses=1&user='******'&date='.usergetmidnight($stat->timeend-(60*60*24)).'">'
.get_string('course').' ' .get_string('logs').'</a> ';
} else {
$a[] = '';
}
}
$table->data[] = $a;
}
} else {
$data = array();
$roles = array();
$times = array();
$missedlines = array();
$coursecontext = context_course::instance($course->id);
$rolenames = role_fix_names(get_all_roles($coursecontext), $coursecontext, ROLENAME_ALIAS, true);
foreach ($stats as $stat) {
if (!empty($stat->zerofixed)) {
$missedlines[] = $stat->timeend;
}
$data[$stat->timeend][$stat->roleid] = $stat->line1;
if ($stat->roleid != 0) {
if (!array_key_exists($stat->roleid,$roles)) {
$roles[$stat->roleid] = $rolenames[$stat->roleid];
}
} else {
if (!array_key_exists($stat->roleid,$roles)) {
$roles[$stat->roleid] = get_string('all');
}
}
if (!array_key_exists($stat->timeend,$times)) {
$times[$stat->timeend] = userdate($stat->timeend,get_string('strftimedate'),$CFG->timezone);
}
}
foreach ($data as $time => $rolesdata) {
if (in_array($time,$missedlines)) {
$rolesdata = array();
foreach ($roles as $roleid => $guff) {
$rolesdata[$roleid] = 0;
}
}
else {
foreach (array_keys($roles) as $r) {
if (!array_key_exists($r, $rolesdata)) {
$rolesdata[$r] = 0;
}
}
}
krsort($rolesdata);
$row = array_merge(array($times[$time]),$rolesdata);
if (empty($CFG->loglifetime) || ($stat->timeend-(60*60*24)) >= (time()-60*60*24*$CFG->loglifetime)) {
if (has_capability('report/log:view', context_course::instance($course->id))) {
$row[] = '<a href="'.$CFG->wwwroot.'/report/log/index.php?id='
.$course->id.'&chooselog=1&showusers=1&showcourses=1&user='******'&date='.usergetmidnight($time-(60*60*24)).'">'
.get_string('course').' ' .get_string('logs').'</a> ';
} else {
$row[] = '';
}
}
$table->data[] = $row;
}
krsort($roles);
$table->head = array_merge($table->head,$roles);
}
$table->head[] = get_string('logs');
//if (!empty($lastrecord)) {
//$lastrecord[] = $lastlink;
//$table->data[] = $lastrecord;
//}
echo html_writer::table($table);
}
}
}
/**
* Fetch statistics data and generate a line chart.
*
* The statistic chart can be view, posts separated by roles and dates.
*
* @param int $courseid course id.
* @param int $report the report type constant eg. STATS_REPORT_LOGINS as defined on statslib.
* @param int $time timestamp of the selected time period.
* @param int $mode the report mode, eg. STATS_MODE_DETAILED as defined on statslib.
* @param int $userid selected user id.
* @param int $roleid selected role id.
*/
function report_stats_print_chart($courseid, $report, $time, $mode, $userid = 0, $roleid = 0)
{
global $DB, $CFG, $OUTPUT;
$course = $DB->get_record("course", array("id" => $courseid), '*', MUST_EXIST);
$coursecontext = context_course::instance($course->id);
stats_check_uptodate($course->id);
$param = stats_get_parameters($time, $report, $course->id, $mode);
if (!empty($userid)) {
$param->table = 'user_' . $param->table;
}
// TODO: cleanup this ugly mess.
$sql = 'SELECT ' . (empty($param->fieldscomplete) ? 'id,roleid,timeend,' : '') . $param->fields . ' FROM {stats_' . $param->table . '} WHERE ' . ($course->id == SITEID ? '' : ' courseid = ' . $course->id . ' AND ') . (!empty($userid) ? ' userid = ' . $userid . ' AND ' : '') . (!empty($roleid) ? ' roleid = ' . $roleid . ' AND ' : '') . (!empty($param->stattype) ? ' stattype = \'' . $param->stattype . '\' AND ' : '') . ' timeend >= ' . $param->timeafter . ' ' . $param->extras . ' ORDER BY timeend DESC';
$stats = $DB->get_records_sql($sql, $param->params);
$stats = stats_fix_zeros($stats, $param->timeafter, $param->table, !empty($param->line2), !empty($param->line3));
$stats = array_reverse($stats);
$chart = new \core\chart_line();
if (empty($param->crosstab)) {
$data = [];
$times = [];
foreach ($stats as $stat) {
// Build the array of formatted times indexed by timestamp used as labels.
if (!array_key_exists($stat->timeend, $times)) {
$times[$stat->timeend] = userdate($stat->timeend, get_string('strftimedate'), $CFG->timezone);
// Just add the data if the time hasn't been added yet.
// The number of lines of data must match the number of labels.
$data['line1'][] = $stat->line1;
if (isset($stat->line2)) {
$data['line2'][] = $stat->line2;
}
if (isset($stat->line3)) {
$data['line3'][] = $stat->line3;
}
}
}
foreach ($data as $line => $serie) {
$series = new \core\chart_series($param->{$line}, array_values($serie));
$chart->add_series($series);
}
} else {
$data = array();
$times = array();
$roles = array();
$missedlines = array();
$rolenames = role_fix_names(get_all_roles($coursecontext), $coursecontext, ROLENAME_ALIAS, true);
foreach ($stats as $stat) {
$data[$stat->roleid][$stat->timeend] = $stat->line1;
if (!empty($stat->zerofixed)) {
$missedlines[] = $stat->timeend;
}
if ($stat->roleid != 0) {
if (!array_key_exists($stat->roleid, $roles)) {
$roles[$stat->roleid] = $rolenames[$stat->roleid];
}
} else {
if (!array_key_exists($stat->roleid, $roles)) {
$roles[$stat->roleid] = get_string('all');
}
}
// Build the array of formatted times indexed by timestamp used as labels.
if (!array_key_exists($stat->timeend, $times)) {
$times[$stat->timeend] = userdate($stat->timeend, get_string('strftimedate'), $CFG->timezone);
}
}
// Fill empty days with zero to avoid chart errors.
foreach (array_keys($times) as $t) {
foreach ($data as $roleid => $stuff) {
if (!array_key_exists($t, $stuff)) {
$data[$roleid][$t] = 0;
}
}
}
krsort($roles);
foreach ($roles as $roleid => $rolename) {
ksort($data[$roleid]);
$series = new \core\chart_series($rolename, array_values($data[$roleid]));
$chart->add_series($series);
}
}
$chart->set_labels(array_values($times));
echo $OUTPUT->render_chart($chart, false);
}