xref: /plugin/davcal/action/ajax.php (revision 82a48dfbf5495f3f2fd216265cb05b6e2f79ee7c) 
1<?php
2
3/**
4 * DokuWiki DAVCal PlugIn - Ajax component
5 */
6
7if(!defined('DOKU_INC')) die();
8
9class action_plugin_davcal_ajax extends DokuWiki_Action_Plugin {
10
11    /**
12     * @var helper_plugin_davcal
13     */
14    private $hlp = null;
15
16    function __construct() {
17        $this->hlp =& plugin_load('helper','davcal');
18    }
19
20    function register(Doku_Event_Handler $controller) {
21        $controller->register_hook('AJAX_CALL_UNKNOWN', 'BEFORE', $this, 'handle_ajax_call_unknown');
22    }
23
24    function handle_ajax_call_unknown(&$event, $param) {
25      if($event->data != 'plugin_davcal') return;
26
27      $event->preventDefault();
28      $event->stopPropagation();
29      global $INPUT;
30
31      $action = trim($INPUT->post->str('action'));
32      $id = trim($INPUT->post->str('id'));
33      $page = trim($INPUT->post->str('page'));
34      $params = $INPUT->post->arr('params');
35      if(isset($_SERVER['REMOTE_USER']) && !is_null($_SERVER['REMOTE_USER']))
36        $user = $_SERVER['REMOTE_USER'];
37      else
38        $user = null;
39      $write = false;
40      $multi = false;
41
42      $data = array();
43
44      $data['result'] = false;
45      $data['html'] = $this->getLang('unknown_error');
46
47      // Check if we have access to the calendar ($id is given by parameters,
48      // that's not necessarily the page we come from)
49      $acl = auth_quickaclcheck($id);
50      if($acl > AUTH_READ)
51      {
52          $write = true;
53      }
54
55      // Retrieve the calendar pages based on the meta data
56      $calendarPages = $this->hlp->getCalendarPagesByMeta($page);
57      if($calendarPages === false)
58      {
59          $calendarPages = array($page);
60      }
61      if(count($calendarPages) > 1)
62        $multi = true;
63
64      // Parse the requested action
65      switch($action)
66      {
67          // Add a new Event
68          case 'newEvent':
69              if($write)
70              {
71                  $data['result'] = true;
72                  $data['html'] = $this->getLang('event_added');
73                  $this->hlp->addCalendarEntryToCalendarForPage($id, $user, $params);
74              }
75              else
76              {
77                  $data['result'] = false;
78                  $data['html'] = $this->getLang('no_permission');
79              }
80          break;
81          // Retrieve existing Events
82          case 'getEvents':
83              $startDate = $INPUT->post->str('start');
84              $endDate = $INPUT->post->str('end');
85              $timezone = $INPUT->post->str('timezone');
86              $data = array();
87              foreach($calendarPages as $calPage)
88              {
89                  $data = array_merge($data, $this->hlp->getEventsWithinDateRange($calPage,
90                                      $user, $startDate, $endDate, $timezone));
91              }
92          break;
93          // Edit an event
94          case 'editEvent':
95              if($write)
96              {
97                  $data['result'] = true;
98                  $data['html'] = $this->getLang('event_edited');
99                  $this->hlp->editCalendarEntryForPage($id, $user, $params);
100              }
101              else
102              {
103                  $data['result'] = false;
104                  $data['html'] = $this->getLang('no_permission');
105              }
106          break;
107          // Delete an Event
108          case 'deleteEvent':
109              if($write)
110              {
111                  $data['result'] = true;
112                  $data['html'] = $this->getLang('event_deleted');
113                  $this->hlp->deleteCalendarEntryForPage($id, $params);
114              }
115              else
116              {
117                  $data['result'] = false;
118                  $data['html'] = $this->getLang('no_permission');
119              }
120          break;
121          // Get personal settings
122          case 'getSettings':
123              $data['result'] = true;
124              $data['settings'] = $this->hlp->getPersonalSettings($user);
125              $data['settings']['multi'] = $multi;
126              $data['settings']['calids'] = $this->hlp->getCalendarMapForIDs($calendarPages);
127              $data['settings']['readonly'] = !$write;
128              $data['settings']['syncurl'] = $this->hlp->getSyncUrlForPage($page, $user);
129              $data['settings']['privateurl'] = $this->hlp->getPrivateURLForPage($page);
130              $data['settings']['meta'] = $this->hlp->getCalendarMetaForPage($page);
131          break;
132          // Save personal settings
133          case 'saveSettings':
134              $settings = array();
135              $settings['weeknumbers'] = $params['weeknumbers'];
136              $settings['timezone'] = $params['timezone'];
137              $settings['workweek'] = $params['workweek'];
138              $settings['monday'] = $params['monday'];
139              if($this->hlp->savePersonalSettings($settings, $user))
140              {
141                  $data['result'] = true;
142                  $data['html'] = $this->getLang('settings_saved');
143              }
144              else
145              {
146                  $data['result'] = false;
147                  $data['html'] = $this->getLang('error_saving');
148              }
149          break;
150      }
151
152      // If we are still here, JSON output is requested
153
154      //json library of DokuWiki
155      require_once DOKU_INC . 'inc/JSON.php';
156      $json = new JSON();
157
158      //set content type
159      header('Content-Type: application/json');
160      echo $json->encode($data);
161    }
162
163}