statistics.php 189 KB
Newer Older
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
<?php
/**
 *
 * @package    mahara
 * @subpackage core
 * @author     Catalyst IT Ltd
 * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL version 3 or later
 * @copyright  For copyright information on Mahara, please see the README file distributed with this software.
 * @file Statistics for a mahara site
 */

defined('INTERNAL') || die();

function site_data_current() {
    return array(
        'users' => count_records_select('usr', 'id > 0 AND deleted = 0'),
        'groups' => count_records('group', 'deleted', 0),
        'views' => count_records_select('view', 'owner != 0 OR owner IS NULL'),
    );
}

function site_statistics($full=false) {
    $data = array();

    if ($full) {
        $data = site_data_current();
        $data['weekly'] = true;

        if (is_postgres()) {
            $weekago = "CURRENT_DATE - INTERVAL '1 week'";
            $thisweeksql = "(lastaccess > $weekago)::int";
            $todaysql = '(lastaccess > CURRENT_DATE)::int';
            $eversql = "(NOT lastaccess IS NULL)::int";
        }
        else {
            $weekago = 'CURRENT_DATE - INTERVAL 1 WEEK';
            $thisweeksql = "lastaccess > $weekago";
            $todaysql = 'lastaccess > CURRENT_DATE';
            $eversql = "NOT lastaccess IS NULL";
        }
        $sql = "SELECT SUM($todaysql) AS today, SUM($thisweeksql) AS thisweek, $weekago AS weekago, SUM($eversql) AS ever FROM {usr}";
        $active = get_record_sql($sql);
        $data['usersloggedin'] = get_string('loggedinsince', 'admin', $active->today, $active->thisweek, format_date(strtotime($active->weekago), 'strftimedateshort'), $active->ever);

        $memberships = count_records_sql("
            SELECT COUNT(*)
            FROM {group_member} m JOIN {group} g ON g.id = m.group
            WHERE g.deleted = 0
        ");
        $data['groupmemberaverage'] = round($memberships/$data['users'], 1);
        $data['strgroupmemberaverage'] = get_string('groupmemberaverage', 'admin', $data['groupmemberaverage']);
        $data['viewsperuser'] = get_field_sql("
            SELECT (0.0 + COUNT(id)) / NULLIF(COUNT(DISTINCT \"owner\"), 0)
            FROM {view}
            WHERE NOT \"owner\" IS NULL AND \"owner\" > 0
        ");
        $data['viewsperuser'] = round($data['viewsperuser'], 1);
        $data['strviewsperuser'] = get_string('viewsperuser', 'admin', $data['viewsperuser']);
    }

    $data['displayname'] = get_config('sitename');
    $data['name']        = 'all';
    $data['release']     = get_config('release');
    $data['version']     = get_config('version');
    $data['installdate'] = format_date(strtotime(get_config('installation_time')), 'strftimedate');
    $data['dbsize']      = db_total_size();
    $data['diskusage']   = get_field('site_data', 'value', 'type', 'disk-usage');
    $data['cronrunning'] = !record_exists_select('cron', 'nextrun IS NULL OR nextrun < CURRENT_DATE');
    $data['siteclosedbyadmin'] = get_config('siteclosedbyadmin');
70
    $data['institution'] = 'all';
71
72
73
74

    if ($latestversion = get_config('latest_version')) {
        $data['latest_version'] = $latestversion;
        if ($data['release'] == $latestversion) {
75
            $data['uptodate'] = get_string('uptodate', 'admin');
76
77
78
79
80
81
        }
        else {
            $download_page = 'https://launchpad.net/mahara/+download';
            $data['strlatestversion'] = get_string('latestversionis', 'admin', $download_page, $latestversion);
        }
    }
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
    if ($branchlatest = get_config('latest_branch_version')) {
        if ($data['release'] != $branchlatest) {
            $download_page = 'https://launchpad.net/mahara/+milestone/' . $branchlatest;
            $data['strlatestbranchversion'] = get_string('latestbranchversionis', 'admin', $download_page, $branchlatest);
        }
    }
    if ($insupport = get_config('supported_versions')) {
        $insupport = explode(',', $insupport);
        if (!in_array(get_config('series'), $insupport)) {
            if (preg_match('/dev$/', $data['release'])) {
                $data['strnotinsupport'] = get_string('versionnotinsupportdev', 'admin');
            }
            else {
                $data['strnotinsupport'] = get_string('versionnotinsupport', 'admin', get_config('series'));
            }
        }
    }
99

100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
    if ($full) {
        // Add the other overall graphs here
        // Group graph
        $smarty = smarty_core();
        $smarty->assign('grouptypecounts', get_records_sql_array("
            SELECT grouptype, COUNT(id) AS groups
            FROM {group}
            WHERE deleted = 0
            GROUP BY grouptype
            ORDER BY groups DESC", array()
        ));
        $smarty->assign('jointypecounts', get_records_sql_array("
            SELECT jointype, COUNT(id) AS groups
            FROM {group}
            WHERE deleted = 0
            GROUP BY jointype
            ORDER BY groups DESC", array()
        ));
        $smarty->assign('groupgraph', true);
        $data['groupinfo'] = $smarty->fetch('admin/groupstatssummary.tpl');

        // Users graph
        $maxfriends = get_records_sql_array("
            SELECT u.id, u.firstname, u.lastname, u.preferredname, u.urlid, SUM(f.friends) AS friends
            FROM {usr} u INNER JOIN (
                SELECT DISTINCT(usr1) AS id, COUNT(usr1) AS friends
                FROM {usr_friend}
                GROUP BY usr1
                UNION SELECT DISTINCT(usr2) AS id, COUNT(usr2) AS friends
                FROM {usr_friend}
                GROUP BY usr2
            ) f ON u.id = f.id
            GROUP BY u.id, u.firstname, u.lastname, u.preferredname, u.urlid
            ORDER BY friends DESC
            LIMIT 1", array());
        $maxfriends = $maxfriends[0];
        $meanfriends = 2 * count_records('usr_friend') / $data['users'];
        if ($maxfriends) {
            $data['strmaxfriends'] = get_string(
                'statsmaxfriends1',
                'admin',
                $maxfriends->friends,
                round($meanfriends, 1),
                profile_url($maxfriends),
                hsc(display_name($maxfriends, null, true))
            );
        }
        else {
            $data['strmaxfriends'] = get_string('statsnofriends', 'admin');
        }
        $maxviews = get_records_sql_array("
            SELECT u.id, u.firstname, u.lastname, u.preferredname, u.urlid, COUNT(v.id) AS views
            FROM {usr} u JOIN {view} v ON u.id = v.owner
            WHERE \"owner\" <> 0
            GROUP BY u.id, u.firstname, u.lastname, u.preferredname, u.urlid
            ORDER BY views DESC
            LIMIT 1", array());
        $maxviews = $maxviews[0];
        if ($maxviews) {
            $data['strmaxviews'] = get_string(
                'statsmaxviews1',
                'admin',
                $maxviews->views,
                $data['viewsperuser'],
                profile_url($maxviews),
                hsc(display_name($maxviews, null, true))
            );
        }
        else {
            $data['strmaxviews'] = get_string('statsnoviews', 'admin');
        }
        $maxgroups = get_records_sql_array("
            SELECT u.id, u.firstname, u.lastname, u.preferredname, u.urlid, COUNT(m.group) AS groups
            FROM {usr} u JOIN {group_member} m ON u.id = m.member JOIN {group} g ON m.group = g.id
            WHERE g.deleted = 0
            GROUP BY u.id, u.firstname, u.lastname, u.preferredname, u.urlid
            ORDER BY groups DESC
            LIMIT 1", array());
        $maxgroups = $maxgroups[0];
        if ($maxgroups) {
            $data['strmaxgroups'] = get_string(
                'statsmaxgroups1',
                'admin',
                $maxgroups->groups,
                $data['groupmemberaverage'],
                profile_url($maxgroups),
                hsc(display_name($maxgroups, null, true))
            );
        }
        else {
            $data['strmaxgroups'] = get_string('statsnogroups', 'admin');
        }
        $maxquotaused = get_records_sql_array("
            SELECT id, firstname, lastname, preferredname, urlid, quotaused
            FROM {usr}
            WHERE deleted = 0 AND id > 0
            ORDER BY quotaused DESC
            LIMIT 1", array());
        $maxquotaused = $maxquotaused[0];
        $data['strmaxquotaused'] = get_string(
            'statsmaxquotaused1',
            'admin',
            display_size(get_field('usr', 'AVG(quotaused)', 'deleted', 0)),
            profile_url($maxquotaused),
            hsc(display_name($maxquotaused, null, true)),
            display_size($maxquotaused->quotaused)
        );

        $smarty = smarty_core();
        $smarty->assign('data', $data);
        $data['usersinfo'] = $smarty->fetch('admin/userstatssummary.tpl');

        // Views graph
        $smarty = smarty_core();
        $maxblocktypes = 5;
215
        $blocktypecounts = get_records_sql_array("
216
217
218
219
220
221
            SELECT
                b.blocktype,
                COUNT(b.id) AS blocks
            FROM {block_instance} b
            JOIN {blocktype_installed} bi ON (b.blocktype = bi.name)
            JOIN {view} v ON (b.view = v.id AND v.type = 'portfolio')
222
            GROUP BY b.blocktype
223
224
            ORDER BY blocks DESC",
            array(), 0, $maxblocktypes
225
226
227
228
229
230
231
232
        );
        foreach ($blocktypecounts as $blocktype) {
            safe_require('blocktype', $blocktype->blocktype);
            $classname = generate_class_name('blocktype', $blocktype->blocktype);
            $blocktype->title = $classname::get_title();
        }
        $smarty->assign('blocktypecounts', $blocktypecounts);

233
234
235
236
        $smarty->assign('viewtypes', true);
        $smarty->assign('viewcount', $data['views']);
        $data['viewsinfo'] = $smarty->fetch('admin/viewstatssummary.tpl');
    }
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
    return($data);
}

function institution_data_current($institution) {
    $data = array();
    if ($institution == 'mahara') {
        $membersquery = 'SELECT id FROM {usr}
                WHERE deleted = 0 AND id > 0 AND id NOT IN
                (SELECT usr FROM {usr_institution})';
        $membersqueryparams = array();
    }
    else {
        $membersquery = 'SELECT usr FROM {usr_institution} ui
                JOIN {usr} u ON (u.id = ui.usr)
                WHERE u.deleted = 0 AND ui.institution = ?';
        $membersqueryparams = array($institution);
    }
    $data['memberssql'] = $membersquery;
    $data['memberssqlparams'] = $membersqueryparams;
    $data['users'] = get_field_sql('SELECT COUNT(*) FROM (' . $membersquery . ') AS members', $membersqueryparams);
    if (!$data['users']) {
        $data['views'] = 0;
    }
    else {
        $data['viewssql'] = '
                SELECT id FROM {view}
                    WHERE owner IS NOT NULL AND owner IN (' . $membersquery . ')
                UNION
                    SELECT id FROM {view}
                    WHERE institution IS NOT NULL AND institution = ?';
        $data['viewssqlparam'] = array_merge($membersqueryparams, array($institution));
        $data['views'] = count_records_sql('SELECT COUNT(*) FROM (' . $data['viewssql'] . ') AS members',   $data['viewssqlparam']);
    }
    return $data;
}

function institution_statistics($institution, $full=false) {
    $data = array();

    if ($full) {
        $data = institution_data_current($institution);
        $data['weekly'] = true;
        $data['institution'] = $institution;

        if (is_postgres()) {
            $weekago = "CURRENT_DATE - INTERVAL '1 week'";
            $thisweeksql = "COALESCE((lastaccess > $weekago)::int, 0)::int";
            $todaysql = 'COALESCE((lastaccess > CURRENT_DATE)::int, 0)::int';
            $eversql = "(NOT lastaccess IS NULL)::int";
        }
        else {
            $weekago = 'CURRENT_DATE - INTERVAL 1 week';
            $thisweeksql = "COALESCE(lastaccess > $weekago, 0)";
            $todaysql = 'COALESCE(lastaccess > CURRENT_DATE, 0)';
            $eversql = "NOT lastaccess IS NULL";
        }
        if (!$data['users']) {
            $active = get_record_sql("SELECT 0 AS today, 0 AS thisweek, $weekago AS weekago, 0 AS ever");
        }
        else {
            $sql = "SELECT SUM($todaysql) AS today, SUM($thisweeksql) AS thisweek, $weekago AS weekago, SUM($eversql) AS ever FROM {usr}
                    WHERE id IN (" . $data['memberssql'] . ")";
            $active = get_record_sql($sql, $data['memberssqlparams']);
        }
        $data['usersloggedin'] = get_string('loggedinsince', 'admin', $active->today, $active->thisweek, format_date(strtotime($active->weekago), 'strftimedateshort'), $active->ever);

        if (!$data['users']) {
            $data['groupmemberaverage'] = 0;
        }
        else {
            $memberships = count_records_sql("
                SELECT COUNT(*)
                FROM {group_member} m JOIN {group} g ON g.id = m.group
                WHERE g.deleted = 0 AND m.member IN (" . $data['memberssql'] . ")
            ", $data['memberssqlparams']);
            $data['groupmemberaverage'] = round($memberships/$data['users'], 1);
        }
        $data['strgroupmemberaverage'] = get_string('groupmemberaverage', 'admin', $data['groupmemberaverage']);
        if (!$data['views']) {
            $data['viewsperuser'] = 0;
        }
        else {
            $data['viewsperuser'] = get_field_sql("
                SELECT (0.0 + COUNT(id)) / NULLIF(COUNT(DISTINCT \"owner\"), 0)
                        FROM {view}
                        WHERE id IN (" . $data['viewssql'] . ")
                    ", $data['viewssqlparam']);
            $data['viewsperuser'] = round($data['viewsperuser'], 1);
        }
        $data['strviewsperuser'] = get_string('viewsperuser', 'admin', $data['viewsperuser']);
    }

    $data['name']        = $institution;
    $data['release']     = get_config('release');
    $data['version']     = get_config('version');
    if ($institution == 'mahara') {
        $data['installdate'] = format_date(strtotime(get_config('installation_time')), 'strftimedate');
    }
    else {
        // *** FIXME: See if better way to get this
        $data['installdate'] = format_date(strtotime(get_field_sql('SELECT MIN(ui.ctime) FROM {usr_institution} ui WHERE ui.institution = ?', array($institution))), 'strftimedate');
    }
    if ($data['users']) {
        $data['diskusage']   = get_field_sql("
            SELECT SUM(quotaused)
            FROM {usr}
            WHERE deleted = 0 AND id IN (" . $data['memberssql'] . ")
            ", $data['memberssqlparams']);
    }

347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
    if ($full) {
        // Add the other overall graphs here
        // Users for institution graph
        if (!$data['users']) {
            $data['strmaxfriends'] = get_string('statsnofriends', 'admin');
            $data['strmaxviews'] = get_string('statsnoviews', 'admin');
            $data['strmaxgroups'] = get_string('statsnogroups', 'admin');
            $data['strmaxquotaused'] = get_string('statsnoquota', 'admin');

            $smarty = smarty_core();
            $smarty->assign('data', $data);
            $data['summary'] = $smarty->fetch('admin/institutionuserstatssummary.tpl');

        }
        else {
            $maxfriends = get_records_sql_array("
                SELECT u.id, u.firstname, u.lastname, u.preferredname, u.urlid, SUM(f.friends) AS friends
                FROM {usr} u INNER JOIN (
                    SELECT DISTINCT(usr1) AS id, COUNT(usr1) AS friends
                    FROM {usr_friend}
                    GROUP BY usr1
                    UNION SELECT DISTINCT(usr2) AS id, COUNT(usr2) AS friends
                    FROM {usr_friend}
                    GROUP BY usr2
                ) f ON u.id = f.id
                WHERE u.id IN (" . $data['memberssql'] . ")
                GROUP BY u.id, u.firstname, u.lastname, u.preferredname, u.urlid
                ORDER BY friends DESC
                LIMIT 1", $data['memberssqlparams']);
            $maxfriends = $maxfriends[0];
            $meanfriends = count_records_sql('SELECT COUNT(*) FROM
                        (SELECT * FROM {usr_friend}
                            WHERE usr1 IN (' . $data['memberssql'] . ')
                        UNION ALL SELECT * FROM {usr_friend}
                            WHERE usr2 IN (' . $data['memberssql'] . ')
                        ) tmp', array_merge($data['memberssqlparams'], $data['memberssqlparams'])) /
                        $data['users'];
            if ($maxfriends) {
                $data['strmaxfriends'] = get_string(
                    'statsmaxfriends1',
                    'admin',
                    $maxfriends->friends,
                    round($meanfriends, 1),
                    profile_url($maxfriends),
                    hsc(display_name($maxfriends, null, true))
                );
            }
            else {
                $data['strmaxfriends'] = get_string('statsnofriends', 'admin');
            }
            $maxviews = get_records_sql_array("
                SELECT u.id, u.firstname, u.lastname, u.preferredname, u.urlid, COUNT(v.id) AS views
                FROM {usr} u JOIN {view} v ON u.id = v.owner
                WHERE \"owner\" IN (" . $data['memberssql'] . ")
                GROUP BY u.id, u.firstname, u.lastname, u.preferredname, u.urlid
                ORDER BY views DESC
                LIMIT 1", $data['memberssqlparams']);
            $maxviews = $maxviews[0];
            if ($maxviews) {
                $data['strmaxviews'] = get_string(
                    'statsmaxviews1',
                    'admin',
                    $maxviews->views,
                    $data['viewsperuser'],
                    profile_url($maxviews),
                    hsc(display_name($maxviews, null, true))
                );
            }
            else {
                $data['strmaxviews'] = get_string('statsnoviews', 'admin');
            }
            $maxgroups = get_records_sql_array("
                SELECT u.id, u.firstname, u.lastname, u.preferredname, u.urlid, COUNT(m.group) AS groups
                FROM {usr} u JOIN {group_member} m ON u.id = m.member JOIN {group} g ON m.group = g.id
                WHERE g.deleted = 0 AND u.id IN (" . $data['memberssql'] . ")
                GROUP BY u.id, u.firstname, u.lastname, u.preferredname, u.urlid
                ORDER BY groups DESC
                LIMIT 1", $data['memberssqlparams']);
            $maxgroups = $maxgroups[0];
            if ($maxgroups) {
                $data['strmaxgroups'] = get_string(
                    'statsmaxgroups1',
                    'admin',
                    $maxgroups->groups,
                    $data['groupmemberaverage'],
                    profile_url($maxgroups),
                    hsc(display_name($maxgroups, null, true))
                );
            }
            else {
                $data['strmaxgroups'] = get_string('statsnogroups', 'admin');
            }
            $maxquotaused = get_records_sql_array("
                SELECT id, firstname, lastname, preferredname, urlid, quotaused
                FROM {usr}
                WHERE id IN (" . $data['memberssql'] . ")
                ORDER BY quotaused DESC
                LIMIT 1", $data['memberssqlparams']);
            $maxquotaused = $maxquotaused[0];
            $avgquota = get_field_sql("
                SELECT AVG(quotaused)
                FROM {usr}
                WHERE id IN (" . $data['memberssql'] . ")
                ", $data['memberssqlparams']);
            $data['strmaxquotaused'] = get_string(
                'statsmaxquotaused1',
                'admin',
                display_size($avgquota),
                profile_url($maxquotaused),
                hsc(display_name($maxquotaused, null, true)),
                display_size($maxquotaused->quotaused)
            );

            $smarty = smarty_core();
            $smarty->assign('data', $data);
            $data['usersinfo'] = $smarty->fetch('admin/institutionuserstatssummary.tpl');
        }
        // Views for institution graph
        $smarty = smarty_core();
        $maxblocktypes = 5;
        if ($data['views']) {
            $smarty->assign('blocktypecounts', get_records_sql_array("
                SELECT
                    b.blocktype,
                    CASE WHEN bi.artefactplugin IS NULL THEN b.blocktype
                        ELSE bi.artefactplugin || '/' || b.blocktype END AS langsection,
                    COUNT(b.id) AS blocks
                FROM {block_instance} b
                JOIN {blocktype_installed} bi ON (b.blocktype = bi.name)
                JOIN {view} v ON (b.view = v.id AND v.type = 'portfolio')
                WHERE v.id IN (" . $data['viewssql'] . ")
                GROUP BY b.blocktype, langsection
                ORDER BY blocks DESC",
                $data['viewssqlparam'], 0, $maxblocktypes
            ));
        }
        $smarty->assign('viewtypes', true);
        $smarty->assign('institution', $data['name']);
        $smarty->assign('viewcount', $data['views']);
        $data['viewsinfo'] = $smarty->fetch('admin/institutionviewstatssummary.tpl');
    }

489
490
491
    return($data);
}

492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
function get_heading_html($heading) {
    $smarty = smarty_core();
    $smarty->assign('heading', $heading);
    return $smarty->fetch('admin/users/statsheading.tpl');
}

function get_active_columns(&$data, $extra) {
    $activeheadings = array();
    foreach ($data['tableheadings'] as $key => $heading) {
        $data['tableheadings'][$key]['selected'] = in_array($heading['id'], $extra['columns']);
        // make sure the required ones are always selected
        if (!empty($data['tableheadings'][$key]['required'])) {
            $data['tableheadings'][$key]['selected'] = true;
        }
        if ($data['tableheadings'][$key]['selected']) {
            $activeheadings[$data['tableheadings'][$key]['id']] = $data['tableheadings'][$key]['name'];
            // To add the accessibility info
            $data['tableheadings'][$key]['sr'] = get_string('sortby') . ' ' . get_string('ascending');
            if (!empty($extra['sortdesc']) && $extra['sort'] == $heading['id']) {
                $data['tableheadings'][$key]['sr'] = get_string('sortby') . ' ' . get_string('descending');
            }
            $data['tableheadings'][$key]['html'] = get_heading_html($data['tableheadings'][$key]);
        }
    }
    // Make sure the all active columns are selected
    return $activeheadings;
}

function userdetails_statistics_headers($extra, $urllink) {
    return array(
        array('id' => 'rownum', 'name' => '#'),
        array(
              'id' => 'firstname', 'required' => true,
              'name' => get_string('firstname'),
              'class' => format_class($extra, 'firstname'),
              'link' => format_goto($urllink . '&sort=firstname', $extra, array('sort'), 'firstname')
        ),
        array(
              'id' => 'lastname', 'required' => true,
              'name' => get_string('lastname'),
              'class' => format_class($extra, 'lastname'),
              'link' => format_goto($urllink . '&sort=lastname', $extra, array('sort'), 'lastname')
        ),
        array(
              'id' => 'email', 'required' => true,
              'name' => get_string('email'),
              'class' => format_class($extra, 'email'),
              'link' => format_goto($urllink . '&sort=email', $extra, array('sort'), 'email')
        ),
        array(
542
              'id' => 'studentid',
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
              'name' => get_string('studentid'),
              'class' => format_class($extra, 'studentid'),
              'link' => format_goto($urllink . '&sort=studentid', $extra, array('sort'), 'studentid')
        ),
        array(
              'id' => 'displayname', 'required' => true,
              'name' => get_string('displayname'),
              'class' => format_class($extra, 'displayname'),
              'link' => format_goto($urllink . '&sort=displayname', $extra, array('sort'), 'displayname')
        ),
        array(
              'id' => 'username', 'required' => true,
              'name' => get_string('username'),
              'class' => format_class($extra, 'username'),
              'link' => format_goto($urllink . '&sort=username', $extra, array('sort'), 'username')
        ),
        array(
560
              'id' => 'remotename',
561
562
563
564
565
              'name' => get_string('remoteuser', 'admin'),
              'class' => format_class($extra, 'remotename'),
              'link' => format_goto($urllink . '&sort=remotename', $extra, array('sort'), 'remotename')
        ),
        array(
566
              'id' => 'lastlogin',
567
568
569
570
571
572
573
574
              'name' => get_string('lastlogin', 'admin'),
              'class' => format_class($extra, 'lastlogin'),
              'link' => format_goto($urllink . '&sort=lastlogin', $extra, array('sort'), 'lastlogin')
        ),
    );
}

function userdetails_statistics($limit, $offset, $extra, $institution = null) {
575
    userhasaccess($institution, 'userdetails');
576
    $data = array();
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
    $urllink = get_config('wwwroot') . 'admin/users/statistics.php?type=users&subtype=userdetails';
    if ($institution) {
        $urllink .= '&institution=' . $institution;
    }
    $data['tableheadings'] = userdetails_statistics_headers($extra, $urllink);

    $activeheadings = get_active_columns($data, $extra);
    $extra['columns'] = array_keys($activeheadings);

    $data['table'] = userdetails_stats_table($limit, $offset, $extra, $institution, $urllink);
    $data['table']['activeheadings'] = $activeheadings;

    $data['summary'] = $data['table']['count'] == 0 ? get_string('nostats', 'admin') : null;

    return $data;
}

function userdetails_stats_table($limit, $offset, $extra, $institution, $urllink) {
    global $USER, $SESSION;

    $start = !empty($extra['start']) ? $extra['start'] : null;
    $end = !empty($extra['end']) ? $extra['end'] : date('Y-m-d', strtotime('now'));
    $users = $SESSION->get('usersforstats');

    $fromsql = " FROM {usr} u";
    $wheresql = " WHERE u.deleted = 0 AND id != 0";
    $where = array();
    if ($institution) {
        $fromsql .= " JOIN {usr_institution} ui ON (ui.usr = u.id AND ui.institution = ?)";
        $where = array($institution);
    }
    if ($users) {
        $wheresql .= " AND u.id IN (" . join(',', array_map('db_quote', array_values((array)$users))) . ")";
    }
    if ($start) {
        $wheresql .= " AND u.ctime >= DATE(?) AND u.ctime <= DATE(?)";
        $where[] = $start;
        $where[] = $end;
    }
    $count = count_records_sql("SELECT COUNT(*) " . $fromsql . $wheresql, $where);

    $pagination = build_pagination(array(
        'id' => 'stats_pagination',
        'url' => $urllink,
        'jsonscript' => 'admin/users/statistics.json.php',
        'datatable' => 'statistics_table',
        'count' => $count,
        'limit' => $limit,
        'offset' => $offset,
        'setlimit' => true,
        'extradata' => $extra,
    ));

    $result = array(
        'count'         => $count,
        'tablerows'     => '',
        'pagination'    => $pagination['html'],
        'pagination_js' => $pagination['javascript'],
    );

    $result['settings']['start'] = ($start) ? $start : null;
    $result['settings']['end'] = $end;
    $result['settings']['users'] = count($users);

    if ($count < 1) {
        return $result;
    }

    $sorttype = !empty($extra['sort']) ? $extra['sort'] : '';
    switch ($sorttype) {
        case "lastlogin":
        case "displayname":
        case "username":
        case "email":
        case "remotename":
        case "studentid":
            $orderby = " " . $sorttype . " " . (!empty($extra['sortdesc']) ? 'DESC' : 'ASC') . ", CONCAT (u.firstname, ' ', u.lastname)";
            break;
        case "lastname":
            $orderby = " u.lastname " . (!empty($extra['sortdesc']) ? 'DESC' : 'ASC') . ", u.firstname " . (!empty($extra['sortdesc']) ? 'DESC' : 'ASC');
            break;
        case "firstname":
        default:
            $orderby = " u.firstname " . (!empty($extra['sortdesc']) ? 'DESC' : 'ASC') . ", u.lastname " . (!empty($extra['sortdesc']) ? 'DESC' : 'ASC');
    }

    $sql = "SELECT u.id, u.firstname, u.lastname, u.username, u.preferredname AS displayname,
            u.lastlogin, u.email, u.studentid, u.ctime,
            (SELECT remoteusername FROM {auth_remote_user} aru WHERE aru.localusr = u.id LIMIT 1) AS remotename
            " . $fromsql . $wheresql . "
667
668
669
670
            ORDER BY " . $orderby;
    if (empty($extra['csvdownload'])) {
        $sql .= " LIMIT $limit OFFSET $offset";
    }
671
672
673
674
675
676
677
678
    $data = get_records_sql_array($sql, $where);
    $daterange = array_map(function ($obj) { return $obj->ctime; }, $data);
    $result['settings']['start'] = ($start) ? $start : min($daterange);

    foreach ($data as $item) {
        $item->profileurl = profile_url($item->id);
        $item->lastlogin = $item->lastlogin ? format_date(strtotime($item->lastlogin)) : ' ';
    }
679
680
681
682
683
    if (!empty($extra['csvdownload'])) {
        $csvfields = array('firstname', 'lastname', 'email', 'studentid',
                           'displayname', 'username', 'remotename', 'lastlogin');
        $USER->set_download_file(generate_csv($data, $csvfields), $institution . 'userdetailsstatistics.csv', 'text/csv');
    }
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
    $result['csv'] = true;
    $columnkeys = array();
    foreach ($extra['columns'] as $column) {
        $columnkeys[$column] = 1;
    }

    $smarty = smarty_core();
    $smarty->assign('data', $data);
    $smarty->assign('columns', $columnkeys);
    $smarty->assign('offset', $offset);

    $result['tablerows'] = $smarty->fetch('admin/users/userdetailsstats.tpl');

    return $result;
}

700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963
964
965
966
967
968
969
970
971
972
973
974
975
976
977
978
979
980
function useragreement_statistics_headers($extra, $urllink) {
    return array(
        array('id' => 'rownum', 'name' => '#'),
        array(
              'id' => 'firstname', 'required' => true,
              'name' => get_string('firstname'),
              'class' => format_class($extra, 'firstname'),
              'link' => format_goto($urllink . '&sort=firstname', $extra, array('sort'), 'firstname')
        ),
        array(
              'id' => 'lastname', 'required' => true,
              'name' => get_string('lastname'),
              'class' => format_class($extra, 'lastname'),
              'link' => format_goto($urllink . '&sort=lastname', $extra, array('sort'), 'lastname')
        ),
        array(
              'id' => 'displayname',
              'name' => get_string('displayname'),
              'class' => format_class($extra, 'displayname'),
              'link' => format_goto($urllink . '&sort=displayname', $extra, array('sort'), 'displayname')
        ),
        array(
              'id' => 'email',
              'name' => get_string('email'),
              'class' => format_class($extra, 'email'),
              'link' => format_goto($urllink . '&sort=email', $extra, array('sort'), 'email')
        ),
        array(
              'id' => 'username',
              'name' => get_string('username'),
              'class' => format_class($extra, 'username'),
              'link' => format_goto($urllink . '&sort=username', $extra, array('sort'), 'username')
        ),
        array(
              'id' => 'siteprivacy', 'required' => true,
              'name' => get_string('siteprivacy', 'admin'),
              'class' => format_class($extra, 'siteprivacy'),
              'link' => format_goto($urllink . '&sort=siteprivacy', $extra, array('sort'), 'siteprivacy')
        ),
        array(
              'id' => 'siteprivacyconsentdate',
              'name' => get_string('siteprivacyconsentdate', 'admin'),
              'class' => format_class($extra, 'siteprivacyconsentdate'),
              'link' => format_goto($urllink . '&sort=siteprivacyconsentdate', $extra, array('sort'), 'siteprivacyconsentdate')
        ),
        array(
              'id' => 'siteterms', 'required' => true,
              'name' => get_string('sitetermsandconditions', 'admin'),
              'class' => format_class($extra, 'siteterms'),
              'link' => format_goto($urllink . '&sort=siteterms', $extra, array('sort'), 'siteterms')
        ),
        array(
              'id' => 'sitetermsconsentdate',
              'name' => get_string('sitetermsconsentdate', 'admin'),
              'class' => format_class($extra, 'sitetermsconsentdate'),
              'link' => format_goto($urllink . '&sort=sitetermsconsentdate', $extra, array('sort'), 'sitetermsconsentdate')
        ),
        array(
              'id' => 'institutionprivacy', 'required' => true,
              'name' => get_string('institutionprivacystatement', 'admin'),
              'class' => format_class($extra, 'institutionprivacy'),
              'link' => format_goto($urllink . '&sort=institutionprivacy', $extra, array('sort'), 'institutionprivacy')
        ),
        array(
              'id' => 'institutionprivacyconsentdate',
              'name' => get_string('institutionprivacyconsentdate', 'admin'),
              'class' => format_class($extra, 'institutionprivacyconsentdate'),
              'link' => format_goto($urllink . '&sort=institutionprivacyconsentdate', $extra, array('sort'), 'institutionprivacyconsentdate')
        ),
        array(
              'id' => 'institutionterms', 'required' => true,
              'name' => get_string('institutiontermsandconditions', 'admin'),
              'class' => format_class($extra, 'institutionterms'),
              'link' => format_goto($urllink . '&sort=institutionterms', $extra, array('sort'), 'institutionterms')
        ),
        array(
              'id' => 'institutiontermsconsentdate',
              'name' => get_string('institutiontermsconsentdate', 'admin'),
              'class' => format_class($extra, 'institutiontermsconsentdate'),
              'link' => format_goto($urllink . '&sort=institutiontermsconsentdate', $extra, array('sort'), 'institutiontermsconsentdate')
        ),
        array(
              'id' => 'institution',
              'name' => get_string('institution', 'admin'),
              'class' => format_class($extra, 'institution'),
              'link' => format_goto($urllink . '&sort=institution', $extra, array('sort'), 'institution')
        ),
    );
}

function useragreement_statistics($limit, $offset, $extra, $institution = null) {
    userhasaccess($institution, 'useragreement');
    $data = array();
    $urllink = get_config('wwwroot') . 'admin/users/statistics.php?type=users&subtype=useragreement';
    if ($institution) {
        $urllink .= '&institution=' . $institution;
    }
    $data['tableheadings'] = useragreement_statistics_headers($extra, $urllink);

    $activeheadings = get_active_columns($data, $extra);
    $extra['columns'] = array_keys($activeheadings);

    $data['table'] = useragreement_stats_table($limit, $offset, $extra, $institution, $urllink);
    $data['table']['activeheadings'] = $activeheadings;

    $data['summary'] = $data['table']['count'] == 0 ? get_string('nostats', 'admin') : null;

    return $data;
}

function useragreement_stats_table($limit, $offset, $extra, $institution, $urllink) {
    global $USER, $SESSION;

    $start = !empty($extra['start']) ? $extra['start'] : null;
    $end = !empty($extra['end']) ? $extra['end'] : date('Y-m-d', strtotime('now'));
    $users = $SESSION->get('usersforstats');

    $fromsql = "
        FROM {usr_agreement} ua
        JOIN {usr} u ON u.id = ua.usr
        LEFT JOIN {usr_institution} ui ON ui.usr = ua.usr
        LEFT JOIN {institution} i ON i.name = ui.institution
        LEFT JOIN (
            SELECT MAX(ua.sitecontentid) AS siteprivacyid, MAX(ua.ctime) AS ctime, ua.usr
            FROM {usr_agreement} ua
            JOIN {site_content_version} s ON (s.id = ua.sitecontentid AND s.type = 'privacy' AND s.institution = 'mahara')
            GROUP BY ua.usr
        ) sp ON ua.usr = sp.usr
        LEFT JOIN (
            SELECT MAX(ua.sitecontentid) AS sitetermsid, MAX(ua.ctime) AS ctime, ua.usr
            FROM {usr_agreement} ua
            JOIN {site_content_version} s ON (s.id = ua.sitecontentid AND s.type = 'termsandconditions' AND s.institution = 'mahara')
            GROUP BY ua.usr
        ) st ON ua.usr = st.usr
        LEFT JOIN (
            SELECT MAX(ua.sitecontentid) AS institutionprivacyid, MAX(ua.ctime) AS ctime, ua.usr
            FROM {usr_agreement} ua
            JOIN {site_content_version} s ON (s.id = ua.sitecontentid AND s.type = 'privacy' AND s.institution != 'mahara')
            JOIN {usr_institution} ui ON (ui.institution = s.institution AND ui.usr = ua.usr)
            GROUP BY ua.usr
        ) ip ON ua.usr = ip.usr
        LEFT JOIN (
            SELECT MAX(ua.sitecontentid) AS institutiontermsid, MAX(ua.ctime) AS ctime, ua.usr
            FROM {usr_agreement} ua
            JOIN {site_content_version} s ON (s.id = ua.sitecontentid AND s.type = 'termsandconditions' AND s.institution != 'mahara')
            JOIN {usr_institution} ui ON (ui.institution = s.institution AND ui.usr = ua.usr)
            GROUP BY ua.usr
        ) it ON ua.usr = it.usr";
    $wheresql = " WHERE u.deleted = 0 AND u.id != 0";
    $where = array();
    if ($institution) {
        if ($institution == 'mahara') {
            $wheresql .= " AND ui.institution IS NULL";
        }
        else {
            $wheresql .= " AND ui.institution = ?";
            $where = array($institution);
        }
    }
    if ($users) {
        $wheresql .= " AND u.id IN (" . join(',', array_map('db_quote', array_values((array)$users))) . ")";
    }
    if ($start) {
        $wheresql .= " AND COALESCE(it.ctime, ip.ctime, st.ctime, sp.ctime) >= DATE(?) AND COALESCE(it.ctime, ip.ctime, st.ctime, sp.ctime) <= DATE(?)";
        $where[] = $start;
        $where[] = $end;
    }

    $count = count_records_sql("SELECT COUNT(DISTINCT(ua.usr)) " . $fromsql . $wheresql, $where);

    $pagination = build_pagination(array(
        'id' => 'stats_pagination',
        'url' => $urllink,
        'jsonscript' => 'admin/users/statistics.json.php',
        'datatable' => 'statistics_table',
        'count' => $count,
        'limit' => $limit,
        'offset' => $offset,
        'setlimit' => true,
        'extradata' => $extra,
    ));

    $result = array(
        'count'         => $count,
        'tablerows'     => '',
        'pagination'    => $pagination['html'],
        'pagination_js' => $pagination['javascript'],
    );

    $result['settings']['start'] = ($start) ? $start : null;
    $result['settings']['end'] = $end;
    $result['settings']['users'] = count($users);

    if ($count < 1) {
        return $result;
    }

    $sorttype = !empty($extra['sort']) ? $extra['sort'] : '';
    switch ($sorttype) {
        case "siteprivacy":
            $orderby = " (SELECT version FROM {site_content_version} WHERE id = sp.siteprivacyid) " . (!empty($extra['sortdesc']) ? 'DESC' : 'ASC');
            break;
        case "siteterms":
            $orderby = " (SELECT version FROM {site_content_version} WHERE id = st.sitetermsid) " . (!empty($extra['sortdesc']) ? 'DESC' : 'ASC');
            break;
        case "institutionprivacy":
            $orderby = " (SELECT version FROM {site_content_version} WHERE id = ip.institutionprivacyid) " . (!empty($extra['sortdesc']) ? 'DESC' : 'ASC');
            break;
        case "institutionterms":
            $orderby = " (SELECT version FROM {site_content_version} WHERE id = it.institutiontermsid) " . (!empty($extra['sortdesc']) ? 'DESC' : 'ASC');
            break;
        case "siteprivacyconsentdate":
            $orderby = " sp.ctime " . (!empty($extra['sortdesc']) ? 'DESC' : 'ASC');
            break;
        case "sitetermsconsentdate":
            $orderby = " st.ctime " . (!empty($extra['sortdesc']) ? 'DESC' : 'ASC');
            break;
        case "institutionprivacyconsentdate":
            $orderby = " ip.ctime " . (!empty($extra['sortdesc']) ? 'DESC' : 'ASC');
            break;
        case "institutiontermsconsentdate":
            $orderby = " it.ctime " . (!empty($extra['sortdesc']) ? 'DESC' : 'ASC');
            break;
        case "username":
        case "displayname":
        case "email":
            $orderby = " " . $sorttype . " " . (!empty($extra['sortdesc']) ? 'DESC' : 'ASC') . ", CONCAT (u.firstname, ' ', u.lastname)";
            break;
        case "lastname":
            $orderby = " u.lastname " . (!empty($extra['sortdesc']) ? 'DESC' : 'ASC') . ", u.firstname " . (!empty($extra['sortdesc']) ? 'DESC' : 'ASC');
            break;
        case "firstname":
        default:
            $orderby = " u.firstname " . (!empty($extra['sortdesc']) ? 'DESC' : 'ASC') . ", u.lastname " . (!empty($extra['sortdesc']) ? 'DESC' : 'ASC');
    }

    $sql = "SELECT DISTINCT ua.usr, sp.siteprivacyid, sp.ctime AS siteprivacyconsentdate, (SELECT version FROM {site_content_version} WHERE id = sp.siteprivacyid) AS siteprivacy,
            st.sitetermsid, st.ctime AS sitetermsconsentdate, (SELECT version FROM {site_content_version} WHERE id = st.sitetermsid) AS siteterms,
            ip.institutionprivacyid, ip.ctime AS institutionprivacyconsentdate, (SELECT version FROM {site_content_version} WHERE id = ip.institutionprivacyid) AS institutionprivacy,
            it.institutiontermsid, it.ctime AS institutiontermsconsentdate, (SELECT version FROM {site_content_version} WHERE id = it.institutiontermsid) AS institutionterms,
            u.id, u.username, u.firstname, u.lastname, u.preferredname AS displayname, u.email,
            i.name, i.displayname AS instname, COALESCE(it.ctime, ip.ctime, st.ctime, sp.ctime) AS defaulttime
            " . $fromsql . $wheresql . "
            ORDER BY " . $orderby;

    if (empty($extra['csvdownload'])) {
        $sql .= " LIMIT $limit OFFSET $offset";
    }
    $data = get_records_sql_array($sql, $where);

    foreach ($data as $item) {
        $item->profileurl = profile_url($item->id);
        $item->siteprivacyconsentdate = $item->siteprivacyconsentdate ? format_date(strtotime($item->siteprivacyconsentdate)) : ' ';
        $item->sitetermsconsentdate = $item->sitetermsconsentdate ? format_date(strtotime($item->sitetermsconsentdate)) : ' ';
        $item->institutionprivacyconsentdate = $item->institutionprivacyconsentdate ? format_date(strtotime($item->institutionprivacyconsentdate)) : ' ';
        $item->institutiontermsconsentdate = $item->institutiontermsconsentdate ? format_date(strtotime($item->institutiontermsconsentdate)) : ' ';
    }

    if (!empty($extra['csvdownload'])) {
        $csvfields = array('username', 'firstname', 'lastname', 'displayname', 'email',
                           'siteprivacy', 'siteprivacyconsentdate', 'siteterms', 'sitetermsconsentdate',
                           'institutionprivacy', 'institutionprivacyconsentdate', 'institutionterms', 'institutiontermsconsentdate',
                           'instname');
        $USER->set_download_file(generate_csv($data, $csvfields), $institution . 'useragreementsstatistics.csv', 'text/csv');
    }
    $result['csv'] = true;
    $columnkeys = array();
    foreach ($extra['columns'] as $column) {
        $columnkeys[$column] = 1;
    }

    $smarty = smarty_core();
    $smarty->assign('data', $data);
    $smarty->assign('columns', $columnkeys);
    $smarty->assign('offset', $offset);

    $result['tablerows'] = $smarty->fetch('admin/users/useragreementstats.tpl');

    return $result;
}

981
982
983
984
985
986
987
988
989
990
991
992
993
994
995
996
997
998
999
1000
1001
1002
1003
1004
1005
1006
1007
1008
1009
1010
1011
function useractivity_statistics_headers($extra, $urllink) {
    return array(
        array('id' => 'rownum', 'name' => '#'),
        array(
              'id' => 'firstname', 'required' => true,
              'name' => get_string('firstname'),
              'class' => format_class($extra, 'firstname'),
              'link' => format_goto($urllink . '&sort=firstname', $extra, array('sort'), 'firstname')
        ),
        array(
              'id' => 'lastname', 'required' => true,
              'name' => get_string('lastname'),
              'class' => format_class($extra, 'lastname'),
              'link' => format_goto($urllink . '&sort=lastname', $extra, array('sort'), 'lastname')
        ),
        array(
              'id' => 'displayname',
              'name' => get_string('displayname'),
              'class' => format_class($extra, 'displayname'),
              'link' => format_goto($urllink . '&sort=displayname', $extra, array('sort'), 'displayname')
        ),
        array(
              'id' => 'username',
              'name' => get_string('username'),
              'class' => format_class($extra, 'username'),
              'link' => format_goto($urllink . '&sort=username', $extra, array('sort'), 'username')
        ),
        array(
              'id' => 'artefacts', 'required' => true,
              'name' => get_string('artefacts'),
              'class' => format_class($extra, 'artefacts'),
1012
1013
              'link' => format_goto($urllink . '&sort=artefacts', $extra, array('sort'), 'artefacts'),
              'helplink' => get_help_icon('core', 'reports', 'useractivity', 'artefacts')
1014
1015
1016
1017
1018
        ),
        array(
              'id' => 'pages', 'required' => true,
              'name' => get_string('Views', 'view'),
              'class' => format_class($extra, 'pages'),
1019
1020
              'link' => format_goto($urllink . '&sort=pages', $extra, array('sort'), 'pages'),
              'helplink' => get_help_icon('core', 'reports', 'useractivity', 'pages')
1021
1022
1023
1024
1025
        ),
        array(
              'id' => 'collections', 'required' => true,
              'name' => get_string('Collections', 'collection'),
              'class' => format_class($extra, 'collections'),
1026
1027
              'link' => format_goto($urllink . '&sort=collections', $extra, array('sort'), 'collections'),
              'helplink' => get_help_icon('core', 'reports', 'useractivity', 'collections')
1028
1029
1030
1031
1032
        ),
        array(
              'id' => 'groups', 'required' => true,
              'name' => get_string('groups'),
              'class' => format_class($extra, 'groups'),
1033
1034
              'link' => format_goto($urllink . '&sort=groups', $extra, array('sort'), 'groups'),
              'helplink' => get_help_icon('core', 'reports', 'useractivity', 'groups')
1035
1036
1037
1038
1039
        ),
        array(
              'id' => 'logins', 'required' => true,
              'name' => get_string('logins'),
              'class' => format_class($extra, 'logins'),
1040
1041
              'link' => format_goto($urllink . '&sort=logins', $extra, array('sort'), 'logins'),
              'helplink' => get_help_icon('core', 'reports', 'useractivity', 'logins')
1042
1043
1044
1045
1046
        ),
        array(
              'id' => 'actions',
              'name' => get_string('actions', 'statistics'),
              'class' => format_class($extra, 'actions'),
1047
1048
              'link' => format_goto($urllink . '&sort=actions', $extra, array('sort'), 'actions'),
              'helplink' => get_help_icon('core', 'reports', 'useractivity', 'actions')
1049
1050
1051
        ),
        array(
              'id' => 'lastlogin', 'required' => true,
Robert Lyon's avatar
Robert Lyon committed
1052
              'name' => get_string('lastactiontime', 'statistics'),
1053
              'class' => format_class($extra, 'lastlogin'),
1054
1055
              'link' => format_goto($urllink . '&sort=lastlogin', $extra, array('sort'), 'lastlogin'),
              'helplink' => get_help_icon('core', 'reports', 'useractivity', 'lastlogin')
1056
1057
1058
        ),
        array(
              'id' => 'lastactivity',
Robert Lyon's avatar
Robert Lyon committed
1059
              'name' => get_string('lastaction', 'statistics'),
1060
              'class' => format_class($extra, 'lastactivity'),
1061
              'helplink' => get_help_icon('core', 'reports', 'useractivity', 'lastactivity'),
1062
//              'link' => format_goto($urllink . '&sort=lastactivity', $extra, array('sort'), 'lastactivity')
1063
1064
1065
1066
1067
        ),
    );
}

function useractivity_statistics($limit, $offset, $extra, $institution = null) {
1068
1069
1070
1071
    userhasaccess($institution, 'useractivity');
    if (!get_config('eventlogenhancedsearch')) {
        return array('notvalid_errorstring' => get_string('needadvancedanalytics', 'statistics'));
    }
1072
1073
1074
1075
1076
1077
1078
1079
1080
1081
1082
1083
1084
1085
1086
1087
1088
1089
1090
1091
1092
1093
1094
1095
1096
1097
    $data = array();
    $urllink = get_config('wwwroot') . 'admin/users/statistics.php?type=users&subtype=useractivity';
    if ($institution) {
        $urllink .= '&institution=' . $institution;
    }
    $data['tableheadings'] = useractivity_statistics_headers($extra, $urllink);

    $activeheadings = get_active_columns($data, $extra);
    $extra['columns'] = array_keys($activeheadings);

    $data['table'] = useractivity_stats_table($limit, $offset, $extra, $institution, $urllink);
    $data['table']['activeheadings'] = $activeheadings;

    $data['summary'] = $data['table']['count'] == 0 ? get_string('nostats', 'admin') : null;

    return $data;
}

function useractivity_stats_table($limit, $offset, $extra, $institution, $urllink) {
    global $USER, $SESSION;

    $start = !empty($extra['start']) ? $extra['start'] : null;
    $end = !empty($extra['end']) ? $extra['end'] : date('Y-m-d', strtotime('now'));
    $users = $SESSION->get('usersforstats');

    $fromsql = " FROM {usr} u";
1098
    $wheresql = " WHERE id != 0 AND u.lastlogin IS NOT NULL";
1099
1100
    $where = array();
    if ($institution) {
Robert Lyon's avatar
Robert Lyon committed
1101
1102
1103
1104
1105
1106
1107
        if ($institution == 'mahara') {
            $fromsql .= " LEFT JOIN {usr_institution} ui ON (ui.usr = u.id AND ui.institution IS NULL)";
        }
        else {
            $fromsql .= " JOIN {usr_institution} ui ON (ui.usr = u.id AND ui.institution = ?)";
            $where = array($institution);
        }
1108
1109
1110
1111
1112
    }
    if ($users) {
        $wheresql .= " AND u.id IN (" . join(',', array_map('db_quote', array_values((array)$users))) . ")";
    }
    if ($start) {
Robert Lyon's avatar
Robert Lyon committed
1113
1114
1115
1116
        $wheresql .= " AND EXISTS(SELECT usr FROM {event_log} el
                                  WHERE el.usr = u.id
                                  AND el.event = 'login'
                                  AND el.ctime >= DATE(?) AND el.ctime <= DATE(?)
1117
                                  LIMIT 1)";
1118
1119
1120
        $where[] = $start;
        $where[] = $end;
    }
1121
1122
1123
1124
1125
1126
    $count = 0;
    $usrids = get_records_sql_assoc("SELECT id, username " . $fromsql . $wheresql, $where);
    if (!empty($usrids)) {
        $usrids = array_keys($usrids);
        $count = count($usrids);
    }
1127
1128
1129
1130
1131
1132
1133
1134
1135
1136
1137
1138
1139
1140
1141
1142
1143
1144
1145
1146
1147
1148
1149
1150
1151
1152
1153
1154
1155

    $pagination = build_pagination(array(
        'id' => 'stats_pagination',
        'url' => $urllink,
        'jsonscript' => 'admin/users/statistics.json.php',
        'datatable' => 'statistics_table',
        'count' => $count,
        'limit' => $limit,
        'offset' => $offset,
        'setlimit' => true,
        'extradata' => $extra,
    ));

    $result = array(
        'count'         => $count,
        'tablerows'     => '',
        'pagination'    => $pagination['html'],
        'pagination_js' => $pagination['javascript'],
    );

    $result['settings']['start'] = ($start) ? $start : null;
    $result['settings']['end'] = $end;
    $result['settings']['users'] = count($users);

    if ($count < 1) {
        return $result;
    }

    $sorttype = !empty($extra['sort']) ? $extra['sort'] : '';
1156
1157
1158
1159
1160
    $sortorder = "1";
    $sortdesc = !empty($extra['sortdesc']) ? 'desc' : 'asc';
    $sortdirection = '';
    $sortname = null;

1161
1162
    switch ($sorttype) {
        case "lastlogin":
1163
1164
1165
1166
1167
            $sortdirection = array('LastActivity' => $sortdesc);
            break;
        case "lastactivity":
            $sortdirection = array('LastLogin' => $sortdesc);
            break;
1168
        case "actions":
1169
1170
            $sortdirection = array('EventTypeCount' => $sortdesc);
            break;
1171
        case "logins":
1172
1173
1174
            $sortorder = "doc.event.value == 'login' ? 1 : 0";
            $sortdirection = array('EventTypeCount' => $sortdesc);
            break;
1175
        case "groups":
1176
1177
1178
            $sortorder = "doc.event.value == 'creategroup' ? 1 : 0";
            $sortdirection = array('EventTypeCount' => $sortdesc);
            break;
1179
        case "collections":
1180
1181
1182
            $sortorder = "doc.event.value == 'createcollection' ? 1 : 0";
            $sortdirection = array('EventTypeCount' => $sortdesc);
            break;
1183
        case "pages":
1184
1185
1186
            $sortorder = "doc.event.value == 'createview' ? 1 : 0";
            $sortdirection = array('EventTypeCount' => $sortdesc);
            break;
1187
        case "artefacts":
1188
1189
1190
            $sortorder = "doc.event.value == 'saveartefact' ? 1 : 0";
            $sortdirection = array('EventTypeCount' => $sortdesc);
            break;
1191
        case "displayname":
1192
1193
            $sortname = 'preferredname';
            break;
1194
        case "username":
1195
            $sortname = 'username';
1196
1197
            break;
        case "lastname":
1198
            $sortname = 'lastname';
1199
1200
1201
            break;
        case "firstname":
        default:
1202
            $sortname = 'firstname';
1203
1204
    }

1205
    $result['settings']['start'] = $start;
1206

1207
1208
1209
1210
1211
1212
1213
1214
    // Add in the elasticsearch data if needed
    $aggmap = array();
    if (get_config('searchplugin') == 'elasticsearch') {
        safe_require('search', 'elasticsearch');
        $options = array(
            'query' => array(
                'terms' => array(
                    'usr' => $usrids
1215
                ),
1216
1217
            ),
            'range' => array(
1218
                'range' => array(
1219
1220
1221
                    'ctime' => array(
                        'gte' => $result['settings']['start'] . ' 00:00:00',
                        'lte' => $result['settings']['end'] . ' 23:59:59'
1222
1223
                    )
                )
1224
1225
1226
1227
1228
1229
1230
1231
1232
1233
1234
1235
1236
1237
1238
1239
1240
1241
1242
1243
1244
1245
1246
1247
1248
            ),
            'aggs' => array(
                'UsrId' => array(
                    'terms' => array(
                        'field' => 'usr',
                        'order' => $sortdirection,
                        'size' => $count,
                     ),
                     'aggs' => array(
                        'EventType' => array(
                            'terms' => array(
                                'field' => 'event',
                                'min_doc_count' => 0,
                            ),
                        ),
                        'EventTypeCount' => array(
                            'sum' => array(
                                'script' => array(
                                    'inline' => $sortorder,
                                ),
                            ),
                        ),
                        'LastLogin' => array(
                            'max' => array(
                                'script' => array(
Robert Lyon's avatar
Robert Lyon committed
1249
                                    'inline' => "doc.ctime.value",
1250
1251
1252
1253
1254
1255
1256
1257
1258
1259
1260
1261
1262
1263
1264
1265
1266
1267
1268
1269
1270
1271
1272
1273
1274
1275
1276
                                ),
                            ),
                        ),
                        'LastActivity' => array(
                            'max' => array(
                                'script' => array(
                                    'inline' => "doc.id.value",
                                ),
                            ),
                        ),
                    ),
                ),
            ),
        );
        if (empty($sortdirection)) { unset($options['aggs']['UsrId']['terms']['order']); }
        $aggregates = PluginSearchElasticsearch::search_events($options, 0, 0);
        if ($aggregates['totalresults'] > 0) {
            foreach ($aggregates['aggregations']['UsrId']['buckets'] as $k => $usr) {
                $user = new User();
                $user->find_by_id($usr['key']);
                $aggregates['aggregations']['UsrId']['buckets'][$k]['firstname'] = $user->get('firstname');
                $aggregates['aggregations']['UsrId']['buckets'][$k]['lastname'] = $user->get('lastname');
                $aggregates['aggregations']['UsrId']['buckets'][$k]['username'] = $user->get('username');
                $aggregates['aggregations']['UsrId']['buckets'][$k]['preferredname'] = $user->get('preferredname');
            }
            if (!empty($sortname)) {
                usort($aggregates['aggregations']['UsrId']['buckets'], function ($a, $b) use ($sortname) {
Robert Lyon's avatar
Robert Lyon committed
1277
                    return strnatcasecmp($a[$sortname], $b[$sortname]);
1278
1279
1280
1281
1282
1283
                });
                if ($sortdesc == 'desc') {
                    $aggregates['aggregations']['UsrId']['buckets'] = array_reverse($aggregates['aggregations']['UsrId']['buckets']);
                }
            }
            ElasticsearchType_event_log::process_aggregations($aggmap, $aggregates['aggregations'], true, array('UsrId', 'EventType'));
1284
1285
        }
    }
1286
1287

    $data = array();
1288
1289
    $timezone = new DateTimeZone(date_default_timezone_get()); // get timezone we are in
    $offsettime = $timezone->getOffset(new DateTime("now")); // work out offset in seconds
1290
1291
1292
1293
1294
1295
1296
1297
1298
1299
1300
1301
1302
1303
    if ($aggregates['totalresults'] > 0) {
        foreach ($aggregates['aggregations']['UsrId']['buckets'] as $item) {
            $obj = new stdClass();
            $obj->id = $item['key'];
            $obj->firstname = $item['firstname'];
            $obj->lastname = $item['lastname'];
            $obj->username = $item['username'];
            $obj->displayname = $item['preferredname'];
            $obj->ctime = null;
            $obj->artefacts = !empty($aggmap[$item['key'] . '|saveartefact']) ? $aggmap[$item['key'] . '|saveartefact'] : 0;
            $obj->pages = !empty($aggmap[$item['key'] . '|createview']) ? $aggmap[$item['key'] . '|createview'] : 0;
            $obj->collections = !empty($aggmap[$item['key'] . '|createcollection']) ? $aggmap[$item['key'] . '|createcollection'] : 0;
            $obj->groups = !empty($aggmap[$item['key'] . '|creategroup']) ? $aggmap[$item['key'] . '|creategroup'] : 0;
            $obj->logins = !empty($aggmap[$item['key'] . '|login']) ? $aggmap[$item['key'] . '|login'] : 0;
1304
1305
            $lastactivity = get_field('event_log', 'event', 'id', $item['LastActivity']['value']);
            $obj->lastactivity = ($lastactivity) ? get_string($lastactivity, 'statistics') : '';
1306
1307
            $obj->profileurl = profile_url($item['key']);
            $date = $item['LastLogin']['value'] / 1000; // convert from UTC milliseconds
1308
            if ($offsettime < 0) {
1309
1310
                $date += $offsettime;
            }
1311
1312
1313
            if ($offsettime > 0) {
                $date -= $offsettime;
            }
1314
1315
1316
1317
1318
1319
1320
1321
1322
            $obj->lastlogin = $item['LastLogin']['value'] ? date('d F Y, H:i a', $date) : '';
            $obj->actions = $item['doc_count'];
            $data[] = $obj;
        }
    }
    if (empty($extra['csvdownload'])) {
        $data = array_slice($data, $offset, $limit, true);
    }

1323
1324
1325
    if (!empty($extra['csvdownload'])) {
        $csvfields = array('firstname', 'lastname', 'displayname', 'username',
                           'artefacts', 'pages', 'collections', 'groups', 'logins',
1326
                          'actions', 'lastlogin', 'lastactivity');
1327
        $USER->set_download_file(generate_csv($data, $csvfields), $institution . 'useractivitystatistics.csv', 'text/csv');
1328
1329
1330
1331
1332
1333
1334
1335
1336
1337
1338
1339
1340
1341
1342
1343
1344
1345
1346
1347
1348
    }
    $result['csv'] = true;
    $columnkeys = array();
    foreach ($extra['columns'] as $column) {
        $columnkeys[$column] = 1;
    }

    $smarty = smarty_core();
    $smarty->assign('data', $data);
    $smarty->assign('columns', $columnkeys);
    $smarty->assign('offset', $offset);

    $result['tablerows'] = $smarty->fetch('admin/users/useractivitystats.tpl');

    return $result;
}

function collaboration_statistics_headers($extra, $urllink) {
    return array(
        array('id' => 'rownum', 'name' => '#'),
        array(
1349
1350
1351
1352
              'id' => 'date', 'required' => true,
              'name' => get_string('date'),
              'class' => format_class($extra, 'date'),
              'link' => format_goto($urllink . '&sort=date', $extra, array('sort'), 'date')
1353
1354
1355
1356
1357
        ),
        array(
              'id' => 'comments', 'required' => true,
              'name' => get_string('Comments', 'artefact.comment'),
              'class' => format_class($extra, 'comments'),
1358
1359
              'link' => format_goto($urllink . '&sort=comments', $extra, array('sort'), 'comments'),
              'helplink' => get_help_icon('core', 'reports', 'collaboration', 'comments')
1360
1361
1362
1363
1364
        ),
        array(
              'id' => 'annotations',
              'name' => get_string('Annotations', 'artefact.annotation'),
              'class' => format_class($extra, 'annotations'),
1365
1366
              'link' => format_goto($urllink . '&sort=annotations', $extra, array('sort'), 'annotations'),
              'helplink' => get_help_icon('core', 'reports', 'collaboration', 'annotations')
1367
1368
1369
1370
1371
        ),
        array(
              'id' => 'usershare', 'required' => true,
              'name' => get_string('usershare', 'statistics'),
              'class' => format_class($extra, 'usershare'),
1372
1373
              'link' => format_goto($urllink . '&sort=usershare', $extra, array('sort'), 'usershare'),
              'helplink' => get_help_icon('core', 'reports', 'collaboration', 'users')
1374
1375
1376
1377
1378
        ),
        array(
              'id' => 'groupshare', 'required' => true,
              'name' => get_string('groupshare', 'statistics'),
              'class' => format_class($extra, 'groupshare'),
1379
1380
              'link' => format_goto($urllink . '&sort=groupshare', $extra, array('sort'), 'groupshare'),
              'helplink' => get_help_icon('core', 'reports', 'collaboration', 'groups')
1381
1382
1383
1384
1385
        ),
        array(
              'id' => 'institutionshare', 'required' => true,
              'name' => get_string('institutionshare', 'statistics'),
              'class' => format_class($extra, 'institutionshare'),
1386
1387
              'link' => format_goto($urllink . '&sort=institutionshare', $extra, array('sort'), 'institutionshare'),
              'helplink' => get_help_icon('core', 'reports', 'collaboration', 'institutions')
1388
1389
1390
1391
1392
        ),
        array(
              'id' => 'loggedinshare', 'required' => true,
              'name' => get_string('loggedinshare', 'statistics'),
              'class' => format_class($extra, 'loggedinshare'),
1393
1394
              'link' => format_goto($urllink . '&sort=loggedinshare', $extra, array('sort'), 'loggedinshare'),
              'helplink' => get_help_icon('core', 'reports', 'collaboration', 'registered')
1395
1396
1397
1398
1399
        ),
        array(
              'id' => 'publicshare', 'required' => true,
              'name' => get_string('publicshare', 'statistics'),
              'class' => format_class($extra, 'publicshare'),
1400
1401
              'link' => format_goto($urllink . '&sort=publicshare', $extra, array('sort'), 'publicshare'),
              'helplink' => get_help_icon('core', 'reports', 'collaboration', 'public')
1402
1403
1404
1405
1406
        ),
        array(
              'id' => 'secretshare', 'required' => true,
              'name' => get_string('secretshare', 'statistics'),
              'class' => format_class($extra, 'secretshare'),
1407
1408
              'link' => format_goto($urllink . '&sort=secretshare', $extra, array('sort'), 'secretshare'),
              'helplink' => get_help_icon('core', 'reports', 'collaboration', 'secreturls')
1409
1410
1411
1412
1413
        ),
        array(
              'id' => 'friendshare',
              'name' => get_string('friendshare', 'statistics'),
              'class' => format_class($extra, 'friendshare'),
1414
1415
              'link' => format_goto($urllink . '&sort=friendshare', $extra, array('sort'), 'friendshare'),
              'helplink' => get_help_icon('core', 'reports', 'collaboration', 'friends')
1416
1417
1418
1419
1420
        ),
    );
}

function collaboration_statistics($limit, $offset, $extra, $institution = null) {
1421
1422
1423
1424
    userhasaccess($institution, 'collaboration');
    if (!get_config('eventlogenhancedsearch')) {
        return array('notvalid_errorstring' => get_string('needadvancedanalytics', 'statistics'));
    }
1425
1426
1427
1428
1429
1430
1431
1432
1433
1434
1435
1436
1437
1438
1439
1440
1441
1442
1443
1444
1445
    $data = array();
    $urllink = get_config('wwwroot') . 'admin/users/statistics.php?type=users&subtype=collaboration';
    if ($institution) {
        $urllink .= '&institution=' . $institution;
    }
    $data['tableheadings'] = collaboration_statistics_headers($extra, $urllink);

    $activeheadings = get_active_columns($data, $extra);
    $extra['columns'] = array_keys($activeheadings);

    $data['table'] = collaboration_stats_table($limit, $offset, $extra, $institution, $urllink);
    $data['table']['activeheadings'] = $activeheadings;

    $data['summary'] = $data['table']['count'] == 0 ? get_string('nostats', 'admin') : null;

    return $data;
}

function collaboration_stats_table($limit, $offset, $extra, $institution, $urllink) {
    global $USER;

1446
    $start = !empty($extra['start']) ? $extra['start'] : date('Y-m-d', strtotime("-1 months"));
1447
    $end = !empty($extra['end']) ? $extra['end'] : date('Y-m-d', strtotime('now'));
1448
1449
1450
1451
1452
1453
    $from = strtotime($start);
    $to = strtotime($end);
    $daterange = array();
    while ($from < $to) {
        $daterange[date("Y_W", $from)] = date('Y-m-d', $from);
        $from = $from + (7 * 24 * 60 * 60); // Break down the range by weeks
1454
    }
1455
    $daterange[date("Y_W", $to)] = date('Y-m-d', $to);
1456
1457

    $count = count($daterange);
1458
1459
1460
1461
1462
1463
1464
1465
1466
1467
1468
1469
1470
1471
1472
1473
1474
1475
1476
1477
1478
1479
1480
1481
1482
1483
1484

    $pagination = build_pagination(array(
        'id' => 'stats_pagination',
        'url' => $urllink,
        'jsonscript' => 'admin/users/statistics.json.php',
        'datatable' => 'statistics_table',
        'count' => $count,
        'limit' => $limit,
        'offset' => $offset,
        'setlimit' => true,
        'extradata' => $extra,
    ));

    $result = array(
        'count'         => $count,
        'tablerows'     => '',
        'pagination'    => $pagination['html'],
        'pagination_js' => $pagination['javascript'],
    );

    $result['settings']['start'] = ($start) ? $start : null;
    $result['settings']['end'] = $end;
    if ($count < 1) {
        return $result;
    }

    $sorttype = !empty($extra['sort']) ? $extra['sort'] : '';
1485
1486
1487
1488
1489
1490
1491
1492
1493
1494
1495
1496
1497
1498
1499
1500
1501
1502
1503
1504
1505
1506
1507
1508
1509
1510
1511
1512
1513
1514
1515
1516
1517
1518
1519
1520
1521
1522
1523
1524
1525
1526
1527
1528
    $aggmap = array();
    if (get_config('searchplugin') == 'elasticsearch') {
        safe_require('search', 'elasticsearch');
        $options = array(
            'range' => array(
                'range' => array(
                    'ctime' => array(
                        'gte' => $start . ' 00:00:00',
                        'lt' => $end . ' 00:00:00'
                    )
                )
            ),
            'sort' => array(
                'ctime' => 'desc'
            ),
            'aggs' => array(
                'YearWeek' => array(
                    'terms' => array(
                        'field' => 'yearweek',
                    ),
                    'aggs' => array(
                        'EventType' => array(
                            'terms' => array(
                                'field' => 'event',
                            ),
                            'aggs' => array(
                                'ResourceType' => array(
                                    'terms' => array(
                                        'field' => 'resourcetype',
                                    ),
                                    'aggs' => array(
                                        'ParentResourceType' => array(
                                            'terms' => array(
                                                'field' => 'parentresourcetype',
                                            ),
                                        ),
                                    ),
                                ),
                            ),
                        ),
                    ),
                ),
            ),
        );
Robert Lyon's avatar
Robert Lyon committed
1529
1530
1531
1532
1533
1534
1535
1536
1537
1538
1539
1540
1541
1542
1543
1544
1545
1546
1547
1548
1549
1550
1551
1552
1553
1554
1555
1556
1557
        if ($institution) {
            // restrict results to users from the institution
            if ($institution == 'mahara') {
                $usrids = get_records_sql_assoc("SELECT u.id, u.username FROM {usr} u
                                                 LEFT JOIN {usr_institution} ui ON ui.usr = u.id
                                                 JOIN {event_log} el ON el.usr = u.id
                                                 WHERE ui.institution IS NULL
                                                 AND el.event = 'login'
                                                 AND el.ctime >= DATE(?) AND el.ctime <= DATE(?)
                                                 GROUP BY u.id", array($start, $end));
            }
            else {
                $usrids = get_records_sql_assoc("SELECT u.id, u.username FROM {usr} u
                                                 JOIN {usr_institution} ui ON ui.usr = u.id
                                                 JOIN {event_log} el ON el.usr = u.id
                                                 WHERE ui.institution = ?
                                                 AND el.event = 'login'
                                                 AND el.ctime >= DATE(?) AND el.ctime <= DATE(?)
                                                 GROUP BY u.id", array($institution, $start, $end));
            }
            if (!empty($usrids)) {
                $usrids = array_keys($usrids);
                $options['query'] = array(
                    'terms' => array(
                        'usr' => $usrids
                    ),
                );
            }
            else {
1558
                $result['pagination'] = null;
Robert Lyon's avatar
Robert Lyon committed
1559
1560
1561
                return $result;
            }
        }
1562
1563
1564
1565
1566
        $aggregates = PluginSearchElasticsearch::search_events($options, 0, 0);
        if ($aggregates['totalresults'] > 0) {
            ElasticsearchType_event_log::process_aggregations($aggmap, $aggregates['aggregations'], true, array('YearWeek', 'EventType', 'ResourceType', 'ParentResourceType'));
        }
    }
1567
1568
    $result['settings']['start'] = ($start) ? $start : min($daterange);

1569
1570
1571
1572
1573
1574
1575
1576
1577
1578
1579
    $rawdata = array();
    // if sorting by date
    if ($sorttype == 'date' && !empty($extra['sortdesc'])) {
        $daterange = array_reverse($daterange);
    }

    foreach ($daterange as $k => $v) {
        list ($year, $week) = explode('_', $k);
        $obj = new StdClass();
        $obj->date = get_string('collaborationdate', 'statistics', format_date(strtotime($year . "W" . $week . '1'), 'strfdaymonthyearshort'));
        $obj->yearweek = $k;
1580
1581
1582
1583
1584
1585
1586
1587
1588
        $obj->comments = !empty($aggmap[$k . '|saveartefact|comment']) ? $aggmap[$k . '|saveartefact|comment'] : 0;
        $obj->annotations = !empty($aggmap[$k . '|saveartefact|annotation']) ? $aggmap[$k . '|saveartefact|annotation'] : 0;
        $obj->usershare = !empty($aggmap[$k . '|updateviewaccess|user']) ? $aggmap[$k . '|updateviewaccess|user'] : 0;
        $obj->groupshare = !empty($aggmap[$k . '|updateviewaccess|group']) ? $aggmap[$k . '|updateviewaccess|group'] : 0;
        $obj->institutionshare = !empty($aggmap[$k . '|updateviewaccess|institution']) ? $aggmap[$k . '|updateviewaccess|institution'] : 0;
        $obj->loggedinshare = !empty($aggmap[$k . '|updateviewaccess|loggedin']) ? $aggmap[$k . '|updateviewaccess|loggedin'] : 0;
        $obj->publicshare = !empty($aggmap[$k . '|updateviewaccess|public']) ? $aggmap[$k . '|updateviewaccess|public'] : 0;
        $obj->secretshare = !empty($aggmap[$k . '|updateviewaccess|token']) ? $aggmap[$k . '|updateviewaccess|token'] : 0;
        $obj->friendshare = !empty($aggmap[$k . '|updateviewaccess|friends']) ? $aggmap[$k . '|updateviewaccess|friends'] : 0;
1589

1590
        $rawdata[$k] = $obj;
1591
1592
    }

1593
1594
1595
1596
1597
1598
1599
1600
1601
1602
1603
1604
1605
1606
1607
1608
1609
1610
1611
1612
1613
1614
1615
1616
1617
1618
1619
1620
1621
1622
1623
    // if sorting by something other than date
    if (!empty($sorttype) && $sorttype != 'date') {
        uasort ($rawdata, function ($i, $j) use ($sorttype) {
            $a = $i->{$sorttype};
            $b = $j->{$sorttype};
            if ($a == $b) {
                return 0;
            }
            else if ($a > $b) {
                return 1;
            }
            else {
                return -1;
            }
        });
        if (!empty($extra['sortdesc'])) {
           $rawdata = array_reverse($rawdata);
        }
    }

    // Now do the limit / offset for pagination
    if (empty($extra['csvdownload'])) {
        $data = array_slice($rawdata, $offset, $limit, true);
    }
    else {
        $data = $rawdata;
        $csvfields = array('date', 'comments', 'annotations', 'usershare', 'groupshare',
                           'institutionshare', 'loggedinshare', 'publicshare', 'secretshare',
                           'friendshare');
        $USER->set_download_file(generate_csv($data, $csvfields), $institution . 'collaborationstatistics.csv', 'text/csv');
    }
1624
1625
1626
1627
1628
1629
1630
1631
1632
1633
1634
1635
1636
1637
1638
1639
    $result['csv'] = true;
    $columnkeys = array();
    foreach ($extra['columns'] as $column) {
        $columnkeys[$column] = 1;
    }

    $smarty = smarty_core();
    $smarty->assign('data', $data);
    $smarty->assign('columns', $columnkeys);
    $smarty->assign('offset', $offset);

    $result['tablerows'] = $smarty->fetch('admin/users/collaborationstats.tpl');

    return $result;
}

1640
function users_statistics_headers($extra, $urllink) {
1641
1642
1643
1644
1645
1646
1647
1648
1649
1650
1651
1652
    return array(
        array('id' => 'rownum', 'name' => '#'),
        array(
              'id' => 'date', 'required' => true,
              'name' => get_string('date'),
              'class' => format_class($extra, 'date'),
              'link' => format_goto($urllink . '&sort=date', $extra, array('sort'), 'date')
        ),
        array(
              'id' => 'loggedin', 'required' => true,
              'name' => get_string('Loggedin', 'admin'),
              'class' => format_class($extra, 'loggedin'),
1653
1654
              'link' => format_goto($urllink . '&sort=loggedin', $extra, array('sort'), 'loggedin'),
              'helplink' => get_help_icon('core', 'reports', 'users', 'loggedin')
1655
1656
1657
1658
1659
        ),
        array(
              'id' => 'created', 'required' => true,
              'name' => get_string('Created'),
              'class' => format_class($extra, 'created'),
1660
              'helplink' => get_help_icon('core', 'reports', 'users', 'created'),
1661
1662
1663
1664
1665
1666
//              'link' => format_goto($urllink . '&sort=created', $extra, array('sort'), 'created')
        ),
        array(
              'id' => 'total', 'required' => true,
              'name' => get_string('Total'),
              'class' => format_class($extra, 'total'),
1667
1668
              'link' => format_goto($urllink . '&sort=total', $extra, array('sort'), 'total'),
              'helplink' => get_help_icon('core', 'reports', 'users', 'total')
1669
        ),
1670
    );
1671
1672
}

1673
function user_statistics($limit, $offset, $extra) {
1674
1675
    $data = array();
    $urllink = get_config('wwwroot') . 'admin/users/statistics.php?type=users&subtype=users';
1676
    $data['tableheadings'] = users_statistics_headers($extra, $urllink);
1677
1678
1679
1680
1681
1682

    $activeheadings = get_active_columns($data, $extra);
    $extra['columns'] = array_keys($activeheadings);

    $data['table'] = user_stats_table($limit, $offset, $extra);
    $data['table']['activeheadings'] = $activeheadings;
1683

1684
    $data['summary'] = $data['table']['count'] == 0 ? get_string('nostats', 'admin') : null;
1685
1686
1687
1688

    return $data;
}

1689
function user_stats_table($limit, $offset, $extra) {
1690
1691
    global $USER;

1692
1693
1694
1695
1696
1697
1698
1699
1700
1701
    $start = !empty($extra['start']) ? $extra['start'] : date('Y-m-d', strtotime("-1 months"));
    $end = !empty($extra['end']) ? $extra['end'] : date('Y-m-d', strtotime('now'));

    if ($start) {
        $where = "type = ? AND ctime >= DATE(?) AND ctime <= DATE(?)";
        $count = count_records_select('site_data', $where, array('user-count-daily', $start, $end));
    }
    else {
        $count = count_records('site_data', 'type', 'user-count-daily');
    }
1702
1703
1704
1705
1706
1707
1708
1709
1710
1711

    $pagination = build_pagination(array(
        'id' => 'stats_pagination',
        'url' => get_config('wwwroot') . 'admin/users/statistics.php?type=users',
        'jsonscript' => 'admin/users/statistics.json.php',
        'datatable' => 'statistics_table',
        'count' => $count,
        'limit' => $limit,
        'offset' => $offset,
        'setlimit' => true,
1712
        'extradata' => $extra,
1713
1714
1715
1716
1717
1718
1719
1720
1721
    ));

    $result = array(
        'count'         => $count,
        'tablerows'     => '',
        'pagination'    => $pagination['html'],
        'pagination_js' => $pagination['javascript'],
    );

1722
1723
    $result['settings']['start'] = ($start) ? $start : null;
    $result['settings']['end'] = $end;
1724
1725
1726
1727
1728
1729
    if ($count < 1) {
        return $result;
    }

    $day = is_postgres() ? "to_date(t.ctime::text, 'YYYY-MM-DD')" : 'DATE(t.ctime)'; // TODO: make work on other databases?

1730
    $sorttype = !empty($extra['sort']) ? $extra['sort'] : '';
1731
1732
1733
1734
1735
1736
    if (is_mysql()) {
        $cast = " (value + 0) ";
    }
    else {
        $cast = " CAST(value AS INTEGER) ";
    }
1737
1738
1739
1740
    switch ($sorttype) {
        case "total":
            $rangesql = " type = 'user-count-daily'";
            $ordersql = " ORDER BY type = 'loggedin-users-daily' DESC";
1741
            $ordersql .= ", " . $cast . (!empty($extra['sortdesc']) ? 'ASC' : 'DESC');
1742
1743
1744
1745
1746
            $ordersql .= ", ctime " . (!empty($extra['sortdesc']) ? 'ASC' : 'DESC');
            break;
        case "loggedin":
            $rangesql = " type = 'loggedin-users-daily'";
            $ordersql = " ORDER BY type = 'loggedin-users-daily' DESC";
1747
            $ordersql .= ", " . $cast . (!empty($extra['sortdesc']) ? 'ASC' : 'DESC');
1748
1749
1750
1751
1752
1753
1754
1755
1756
1757
1758
1759
1760
1761
1762
1763
1764
1765
1766
            $ordersql .= ", ctime " . (!empty($extra['sortdesc']) ? 'ASC' : 'DESC');
            break;
        case "date":
        default:
            $rangesql = " type = 'user-count-daily'";
            $ordersql = " ORDER BY type = 'user-count-daily' " . (!empty($extra['sortdesc']) ? 'ASC' : 'DESC');
            $ordersql .= ", ctime " . (!empty($extra['sortdesc']) ? 'ASC' : 'DESC');
    }

    // Get the min/max daterange within supplied date range
    $rangewhere = array();
    if ($start) {
        $rangesql .= " AND ctime >= DATE(?) AND ctime <= DATE(?)";
        $rangewhere[] = $start;
        $rangewhere[] = $end;
    }

    $sql = "SELECT $day AS date
            FROM {site_data} t
1767
1768
1769
1770
            WHERE " . $rangesql . $ordersql;
    if (empty($extra['csvdownload'])) {
            $sql .= " LIMIT $limit OFFSET $offset";
    }
1771
1772
1773
1774
1775
1776
    $dateranges = get_records_sql_array($sql, $rangewhere);
    $daterange = array();
    foreach ($dateranges as $d) {
        $daterange[] = $d->date;
    }
    $result['settings']['start'] = ($start) ? $start : min($daterange);
1777
1778
1779
1780