summaryrefslogtreecommitdiff
path: root/actions/editgroup.php
blob: 82b78cc5c7ac596b75fcb9ef48b1f663fa9b5b48 (plain)
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
<?php
/**
 * Laconica, the distributed open-source microblogging tool
 *
 * Edit an existing group
 *
 * PHP version 5
 *
 * LICENCE: 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/>.
 *
 * @category  Group
 * @package   Laconica
 * @author    Evan Prodromou <evan@controlyourself.ca>
 * @author    Sarven Capadisli <csarven@controlyourself.ca>
 * @copyright 2008-2009 Control Yourself, Inc.
 * @license   http://www.fsf.org/licensing/licenses/agpl-3.0.html GNU Affero General Public License version 3.0
 * @link      http://laconi.ca/
 */

if (!defined('LACONICA')) {
    exit(1);
}

/**
 * Add a new group
 *
 * This is the form for adding a new group
 *
 * @category Group
 * @package  Laconica
 * @author   Evan Prodromou <evan@controlyourself.ca>
 * @license  http://www.fsf.org/licensing/licenses/agpl-3.0.html GNU Affero General Public License version 3.0
 * @link     http://laconi.ca/
 */

class EditgroupAction extends Action
{
    var $msg;
    var $group = null;

    function title()
    {
        return sprintf(_('Edit %s group'), $this->group->nickname);
    }

    /**
     * Prepare to run
     */

    function prepare($args)
    {
        parent::prepare($args);

        if (!common_config('inboxes','enabled')) {
            $this->serverError(_('Inboxes must be enabled for groups to work'));
            return false;
        }

        if (!common_logged_in()) {
            $this->clientError(_('You must be logged in to create a group.'));
            return false;
        }

        $nickname_arg = $this->trimmed('nickname');
        $nickname = common_canonical_nickname($nickname_arg);

        // Permanent redirect on non-canonical nickname

        if ($nickname_arg != $nickname) {
            $args = array('nickname' => $nickname);
            common_redirect(common_local_url('editgroup', $args), 301);
            return false;
        }

        if (!$nickname) {
            $this->clientError(_('No nickname'), 404);
            return false;
        }

        $this->group = User_group::staticGet('nickname', $nickname);

        if (!$this->group) {
            $this->clientError(_('No such group'), 404);
            return false;
        }

        $cur = common_current_user();

        if (!$cur->isAdmin($group)) {
            $this->clientError(_('You must be an admin to edit the group'), 403);
            return false;
        }

        return true;
    }

    /**
     * Handle the request
     *
     * On GET, show the form. On POST, try to save the group.
     *
     * @param array $args unused
     *
     * @return void
     */

    function handle($args)
    {
        parent::handle($args);
        if ($_SERVER['REQUEST_METHOD'] == 'POST') {
            $this->trySave();
        } else {
            $this->showForm();
        }
    }

    function showForm($msg=null)
    {
        $this->msg = $msg;
        $this->showPage();
    }

    function showLocalNav()
    {
        $nav = new GroupNav($this, $this->group);
        $nav->show();
    }

    function showContent()
    {
        $form = new GroupEditForm($this, $this->group);
        $form->show();
    }

    function showPageNotice()
    {
        if ($this->msg) {
            $this->element('p', 'error', $this->msg);
        } else {
            $this->element('p', 'instructions',
                           _('Use this form to edit the group.'));
        }
    }

    function trySave()
    {
        $nickname    = common_canonical_nickname($this->trimmed('nickname'));
        $fullname    = $this->trimmed('fullname');
        $homepage    = $this->trimmed('homepage');
        $description = $this->trimmed('description');
        $location    = $this->trimmed('location');

        if (!Validate::string($nickname, array('min_length' => 1,
                                               'max_length' => 64,
                                               'format' => NICKNAME_FMT))) {
            $this->showForm(_('Nickname must have only lowercase letters '.
                              'and numbers and no spaces.'));
            return;
        } else if ($this->nicknameExists($nickname)) {
            $this->showForm(_('Nickname already in use. Try another one.'));
            return;
        } else if (!User_group::allowedNickname($nickname)) {
            $this->showForm(_('Not a valid nickname.'));
            return;
        } else if (!is_null($homepage) && (strlen($homepage) > 0) &&
                   !Validate::uri($homepage,
                                  array('allowed_schemes' =>
                                        array('http', 'https')))) {
            $this->showForm(_('Homepage is not a valid URL.'));
            return;
        } else if (!is_null($fullname) && strlen($fullname) > 255) {
            $this->showForm(_('Full name is too long (max 255 chars).'));
            return;
        } else if (!is_null($description) && strlen($description) > 140) {
            $this->showForm(_('description is too long (max 140 chars).'));
            return;
        } else if (!is_null($location) && strlen($location) > 255) {
            $this->showForm(_('Location is too long (max 255 chars).'));
            return;
        }

        $orig = clone($this->group);

        $this->group->nickname    = $nickname;
        $this->group->fullname    = $fullname;
        $this->group->homepage    = $homepage;
        $this->group->description = $description;
        $this->group->location    = $location;
        $this->group->created     = common_sql_now();

        $result = $this->group->update($orig);

        if (!$result) {
            common_log_db_error($this->group, 'UPDATE', __FILE__);
            $this->serverError(_('Could not update group.'));
        }

        if ($this->group->nickname != $orig->nickname) {
            common_redirect(common_local_url('editgroup',
                                             array('nickname' => $nickname)),
                            307);
        } else {
            $this->showForm(_('Options saved.'));
        }
    }

    function nicknameExists($nickname)
    {
        $group = User_group::staticGet('nickname', $nickname);
        return (!is_null($group) &&
                $group != false &&
                $group->id != $this->group->id);
    }
}