issue121, add some js-checks if objects are there
[phpfspot.git] / rpc.php
1 <?php
2
3 /* *************************************************************************
4  *
5  * phpfspot, presents your F-Spot photo collection in Web browsers.
6  *
7  * Copyright (c) by Andreas Unterkircher
8  *
9  *  This program is free software; you can redistribute it and/or modify
10  *  it under the terms of the GNU General Public License as published by
11  *  the Free Software Foundation; either version 2 of the License, or
12  *  any later version.
13  *
14  *  This program is distributed in the hope that it will be useful,
15  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
16  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
17  *  GNU General Public License for more details.
18  *
19  *  You should have received a copy of the GNU General Public License
20  *  along with this program; if not, write to the Free Software
21  *  Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
22  *
23  * *************************************************************************/
24
25 require_once "phpfspot.class.php";
26
27 /**
28  * PHPFSPOT_RPC class
29  *
30  * handles AJAX-RPC calls from client browsers
31  * @package phpfspot
32  */
33 class PHPFSPOT_RPC {
34
35    /**
36     * PHPFSPOT_RPC constructor
37     */
38    public function __construct()
39    {
40       /* start PHP session */
41       session_start();
42
43    } // __construct()
44
45    public function process_ajax_request()
46    {
47       require_once 'HTML/AJAX/Server.php';
48
49       $server = new HTML_AJAX_Server();
50       $server->handleRequest();
51
52       $phpfspot = new PHPFSPOT();
53
54       /* if no action is specified, no need to further process this
55        * function here.
56        */
57       if(!isset($_GET['action']) && !isset($_POST['action']))
58          return;
59
60       if(isset($_GET['action']))
61          $action = $_GET['action'];
62       if(isset($_POST['action']))
63          $action = $_POST['action'];
64
65       switch($action) {
66          case 'showphoto':
67             if(isset($_GET['id']) && is_numeric($_GET['id'])) {
68                print $phpfspot->showPhoto($_GET['id']);
69             }
70             break;
71    
72          case 'getxmltaglist':
73             print $phpfspot->get_xml_tag_list();
74             break;
75
76          case 'show_available_tags':
77             print $phpfspot->getAvailableTags();
78             break;
79
80          case 'show_selected_tags':
81             print $phpfspot->getSelectedTags();
82             break;
83
84          case 'addtag':
85             if(isset($_POST['id']) && is_numeric($_POST['id'])) {
86                print $phpfspot->addTag($_POST['id']);
87             }
88             break;
89
90          case 'deltag':
91             if(isset($_POST['id']) && is_numeric($_POST['id'])) {
92                print $phpfspot->delTag($_POST['id']);
93             }
94             break;
95
96          case 'reset':
97             $phpfspot->resetTagSearch();
98             $phpfspot->resetNameSearch();
99             $phpfspot->resetTags();
100             $phpfspot->resetDateSearch();
101             $phpfspot->resetRateSearch();
102             $phpfspot->resetPhotoView();
103             break;
104
105          case 'tagcondition':
106             if(isset($_POST['mode']) && in_array($_POST['mode'], Array('or', 'and'))) {
107                print $phpfspot->setTagCondition($_POST['mode']);
108             }
109             break;
110
111          case 'show_photo_index':
112             if(isset($_GET['begin_with']) && is_numeric($_GET['begin_with'])) {
113                $_SESSION['begin_with'] = $_GET['begin_with'];
114             }
115             else {
116                unset($_SESSION['begin_with']);
117             }
118             if(isset($_GET['last_photo']) && is_numeric($_GET['last_photo']))
119                $_SESSION['last_photo'] = $_GET['last_photo'];
120
121             print $phpfspot->showPhotoIndex();
122             break;
123    
124          case 'showcredits':
125             $phpfspot->showCredits();
126             break;
127
128          case 'search':
129             print $phpfspot->startSearch();
130             break;
131
132          case 'update_sort_order':
133             if(isset($_POST['value']) && is_string($_POST['value'])) {
134                print $phpfspot->updateSortOrder($_POST['value']);
135             }
136             break;
137
138          case 'get_export':
139             /* $_GET['mode'] will be validated by getExport() */
140             $phpfspot->getExport($_GET['mode']);
141             break;
142
143          case 'get_photo_to_show':
144             $phpfspot->getCurrentPhoto();
145             break;
146
147          case 'get_calendar_matrix':
148             if((is_numeric($_GET['year']) || !isset($_GET['year'])) &&
149                (is_numeric($_GET['month']) || !isset($_GET['month'])) &&
150                (is_numeric($_GET['day']) || !isset($_GET['day']))) {
151                $phpfspot->get_calendar_matrix($_GET['year'], $_GET['month'], $_GET['day']);
152             }
153             break;
154
155          case 'what_to_do':
156             print $phpfspot->whatToDo();
157             break;
158
159          case 'reset_slideshow':
160             print $phpfspot->resetSlideShow();
161             break;
162
163          case 'get_next_slideshow_img':
164             print $phpfspot->getNextSlideShowImage();
165             break;
166          
167          case 'get_prev_slideshow_img':
168             print $phpfspot->getPrevSlideShowImage();
169             break;
170
171       }
172
173    } // process_ajax_request();
174
175 } // class PHPFSPOT_RPC
176
177 $rpc = new PHPFSPOT_RPC();
178 $rpc->process_ajax_request();
179
180 ?>