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
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
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
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
|
<?php
class LocationInfo
{
/**
* Gets the pc data and returns it's state.
*
* @param array $pc The pc data from the db. Array('state' => xx, 'lastseen' => xxx)
* @return string pc state
*/
public static function getPcState(array $pc): string
{
$lastseen = (int)$pc['lastseen'];
$NOW = time();
if ($pc['state'] === 'OFFLINE' && $NOW - $lastseen > 30 * 86400) {
return "BROKEN";
}
return $pc['state'];
}
/**
* Return list of locationids associated with given panel.
*
* @param string $paneluuid panel
* @param bool $recursive if true and paneltype == SUMMARY the result is recursive with all child room ids.
* @return int[] locationIds
*/
public static function getLocationsOr404(string $paneluuid, bool $recursive = true): array
{
$panel = Database::queryFirst('SELECT paneltype, locationids FROM locationinfo_panel WHERE paneluuid = :paneluuid',
compact('paneluuid'));
if ($panel !== false) {
$idArray = array_map('intval', explode(',', $panel['locationids']));
if ($panel['paneltype'] == "SUMMARY" && $recursive) {
$idList = Location::getRecursiveFlat($idArray);
$idArray = array_keys($idList);
}
return $idArray;
}
http_response_code(404);
die('Panel not found');
}
/**
* Set current error message of given server. Pass null or false to clear.
*
* @param int $serverId id of server
* @param string|array $message error message to set, array of error message struct, null or false clears error.
*/
public static function setServerError(int $serverId, $message): void
{
if (is_array($message)) {
$fatal = false;
foreach ($message as $m) {
if ($m['fatal']) {
$fatal = $m['message'];
}
Database::exec('INSERT INTO locationinfo_backendlog (serverid, dateline, message)
VALUES (:sid, :dateline, :message)', [
'sid' => $serverId,
'dateline' => $m['time'],
'message' => ($m['fatal'] ? '[F]' : '[W]') . $m['message'],
]);
}
$message = $fatal;
}
if ($message === false || $message === null) {
Database::exec("UPDATE `locationinfo_coursebackend` SET error = NULL
WHERE serverid = :id", array('id' => $serverId));
} else {
if (empty($message)) {
$message = '<empty error message>';
}
$error = json_encode(array(
'timestamp' => time(),
'error' => (string)$message
));
Database::exec("UPDATE `locationinfo_coursebackend` SET error = :error
WHERE serverid = :id", array('id' => $serverId, 'error' => $error));
}
}
/**
* Creates and returns a default config for room that didn't save a config yet.
*
* @return array Return a default config.
*/
public static function defaultPanelConfig(string $type): array
{
if ($type === 'DEFAULT') {
return array(
'language' => defined('LANG') ? LANG : 'en',
'mode' => 1,
'vertical' => false,
'eco' => false,
'prettytime' => true,
'roomplanner' => true,
'scaledaysauto' => true,
'startday' => 0,
'daystoshow' => 7,
'rotation' => 0,
'scale' => 50,
'switchtime' => 20,
'calupdate' => 30,
'roomupdate' => 15,
'configupdate' => 180,
'overrides' => [],
'hostname' => false,
);
}
if ($type === 'SUMMARY') {
return array(
'language' => defined('LANG') ? LANG : 'en',
'roomplanner' => true,
'eco' => false,
'panelupdate' => 60,
);
}
if ($type === 'URL') {
return array(
'whitelist' => '*',
'blacklist' => '',
'insecure-ssl' => 0,
'reload-minutes' => 0,
'split-login' => 0,
'browser' => 'slx-browser',
'interactive' => 0,
'bookmarks' => '',
'allow-tty' => '',
'url' => '',
'zoom-factor' => 100,
);
}
return array();
}
/**
* Gets the calendar of the given ids.
*
* @param int[] $idList list with the location ids.
* @return array Calendar.
*/
public static function getCalendar(array $idList, bool $forceCached = false): array
{
if (empty($idList))
return [];
$resultArray = array();
if ($forceCached) {
$res = Database::simpleQuery("SELECT locationid, calendar FROM locationinfo_locationconfig
WHERE Length(calendar) > 10 AND lastcalendarupdate > UNIX_TIMESTAMP() - 86400*3");
foreach ($res as $row) {
$resultArray[] = [
'id' => (int)$row['locationid'],
'calendar' => json_decode($row['calendar'], true),
];
}
return $resultArray;
}
// Build SQL query for multiple ids.
$query = "SELECT l.locationid, l.serverid, l.serverlocationid, s.servertype, s.credentials
FROM `locationinfo_locationconfig` AS l
INNER JOIN locationinfo_coursebackend AS s ON (s.serverid = l.serverid)
WHERE l.locationid IN (:idlist)
ORDER BY s.servertype ASC";
$dbquery = Database::simpleQuery($query, array('idlist' => array_values($idList)));
$serverList = array();
foreach ($dbquery as $dbresult) {
if (!isset($serverList[$dbresult['serverid']])) {
$serverList[$dbresult['serverid']] = array(
'credentials' => (array)json_decode($dbresult['credentials'], true),
'type' => $dbresult['servertype'],
'idlist' => array()
);
}
$serverList[$dbresult['serverid']]['idlist'][] = $dbresult['locationid'];
}
foreach ($serverList as $serverid => $server) {
$serverInstance = CourseBackend::getInstance($server['type']);
if ($serverInstance === false) {
EventLog::warning('Cannot fetch schedule for location (' . implode(', ', $server['idlist']) . ')'
. ': Backend type ' . $server['type'] . ' unknown. Disabling location.');
Database::exec("UPDATE locationinfo_locationconfig SET serverid = NULL WHERE locationid IN (:lid)",
array('lid' => $server['idlist']));
continue;
}
$credentialsOk = $serverInstance->setCredentials($serverid, $server['credentials']);
if ($credentialsOk) {
$calendarFromBackend = $serverInstance->fetchSchedule($server['idlist']);
} else {
$calendarFromBackend = array();
}
LocationInfo::setServerError($serverid, $serverInstance->getErrors());
if (is_array($calendarFromBackend)) {
foreach ($calendarFromBackend as $key => $value) {
$resultArray[] = array(
'id' => (int)$key,
'calendar' => $value,
);
}
}
}
return $resultArray;
}
public static function getAllCalendars(bool $forceCached): array
{
$locations = Database::queryColumnArray("SELECT locationid FROM location");
$calendars = [];
foreach (LocationInfo::getCalendar($locations, $forceCached) as $cal) {
if (empty($cal['calendar']))
continue;
$calendars[$cal['id']] = $cal['calendar'];
}
return $calendars;
}
public static function extractCurrentEvent(array $calendar): string
{
$NOW = time();
foreach ($calendar as $event) {
$start = strtotime($event['start']);
$end = strtotime($event['end']) + 60;
if ($NOW >= $start && $NOW <= $end)
return $event['title'];
}
return '';
}
}
|
