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
|
<?php
/**
* Resources directory interface definition
*
* @author Thomas Bruederli <bruederli@kolabsys.com>
*
* Copyright (C) 2014, Kolab Systems AG <contact@kolabsys.com>
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as
* published by the Free Software Foundation, either version 3 of the
* License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
/**
* Interface definition for a resources directory driver classe
*/
abstract class resources_driver
{
protected$cal;
/**
* Default constructor
*/
function __construct($cal)
{
$this->cal = $cal;
}
/**
* Fetch resource objects to be displayed for booking
*
* @param string Search query (optional)
* @return array List of resource records available for booking
*/
abstract public function load_resources($query = null);
/**
* Return properties of a single resource
*
* @param string Unique resource identifier
* @return array Resource object as hash array
*/
abstract public function get_resource($id);
/**
* Return properties of a resource owner
*
* @param string Owner identifier
* @return array Resource object as hash array
*/
public function get_resource_owner($id)
{
return null;
}
/**
* Get event data to display a resource's calendar
*
* The default implementation extracts the resource's email address
* and fetches free-busy data using the calendar backend driver.
*
* @param integer Event's new start (unix timestamp)
* @param integer Event's new end (unix timestamp)
* @return array A list of event objects (see calendar_driver specification)
*/
public function get_resource_calendar($id, $start, $end)
{
$events = array();
$rec = $this->get_resource($id);
if ($rec && !empty($rec['email']) && $this->cal->driver) {
$fbtypemap = array(
calendar::FREEBUSY_BUSY => 'busy',
calendar::FREEBUSY_TENTATIVE => 'tentative',
calendar::FREEBUSY_OOF => 'outofoffice',
);
// if the backend has free-busy information
$fblist = $this->cal->driver->get_freebusy_list($rec['email'], $start, $end);
if (is_array($fblist)) {
foreach ($fblist as $slot) {
list($from, $to, $type) = $slot;
if ($type == calendar::FREEBUSY_FREE || $type == calendar::FREEBUSY_UNKNOWN) {
continue;
}
if ($from < $end && $to > $start) {
$event = array(
'id' => sha1($id . $from . $to),
'title' => $rec['name'],
'start' => new DateTime('@' . $from),
'end' => new DateTime('@' . $to),
'status' => $fbtypemap[$type],
'calendar' => '_resource',
);
$events[] = $event;
}
}
}
}
return $events;
}
}
|
