people tag actions

[quix0rs-gnu-social.git] / actions / addpeopletag.php

diff --git a/actions/addpeopletag.php b/actions/addpeopletag.php
new file mode 100644 (file)
index 0000000..3176a11
--- /dev/null
+++ b/actions/addpeopletag.php
@@ -0,0 +1,172 @@
+<?php
+/**
+ * StatusNet - the distributed open-source microblogging tool
+ * Copyright (C) 2008-2010, StatusNet, Inc.
+ *
+ * Action to add a people tag to a user.
+ *
+ * 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/>.
+ *
+ * PHP version 5
+ *
+ * @category  Action
+ * @package   StatusNet
+ * @author    Shashi Gowda <connect2shashi@gmail.com>
+ * @license   http://www.fsf.org/licensing/licenses/agpl-3.0.html AGPLv3
+ * @link      http://status.net/
+ */
+
+if (!defined('STATUSNET')) {
+    exit(1);
+}
+
+require_once INSTALLDIR . '/lib/togglepeopletag.php';
+
+/**
+ *  
+ * Action to tag a profile with a single tag.
+ * 
+ * Takes parameters:
+ *
+ *    - tagged: the ID of the profile being tagged
+ *    - token: session token to prevent CSRF attacks
+ *    - ajax: boolean; whether to return Ajax or full-browser results
+ *    - peopletag_id: the ID of the tag being used
+ *
+ * Only works if the current user is logged in.
+ *
+ * @category  Action
+ * @package   StatusNet
+ * @author    Shashi Gowda <connect2shashi@gmail.com>
+ * @license   http://www.fsf.org/licensing/licenses/agpl-3.0.html AGPLv3
+ * @link      http://status.net/
+ */
+
+class AddpeopletagAction extends Action
+{
+    var $user;
+    var $tagged;
+    var $peopletag;
+
+    /**
+     * Check pre-requisites and instantiate attributes
+     *
+     * @param Array $args array of arguments (URL, GET, POST)
+     *
+     * @return boolean success flag
+     */
+
+    function prepare($args)
+    {
+        parent::prepare($args);
+
+        // CSRF protection
+
+        $token = $this->trimmed('token');
+
+        if (!$token || $token != common_session_token()) {
+            $this->clientError(_('There was a problem with your session token.'.
+                                 ' Try again, please.'));
+            return false;
+        }
+
+        // Only for logged-in users
+
+        $this->user = common_current_user();
+
+        if (empty($this->user)) {
+            $this->clientError(_('Not logged in.'));
+            return false;
+        }
+
+        // Profile to subscribe to
+
+        $tagged_id = $this->arg('tagged');
+
+        $this->tagged = Profile::staticGet('id', $tagged_id);
+
+        if (empty($this->tagged)) {
+            $this->clientError(_('No such profile.'));
+            return false;
+        }
+
+        $id = $this->arg('peopletag_id');
+        $this->peopletag = Profile_list::staticGet('id', $id);
+
+        if (empty($this->peopletag)) {
+            $this->clientError(_('No such peopletag.'));
+            return false;
+        }
+
+        // OMB 0.1 doesn't have a mechanism for local-server-
+        // originated tag.
+
+        $omb01 = Remote_profile::staticGet('id', $tagged_id);
+
+        if (!empty($omb01)) {
+            $this->clientError(_('You cannot tag an OMB 0.1'.
+                                 ' remote profile with this action.'));
+            return false;
+        }
+
+        return true;
+    }
+
+    /**
+     * Handle request
+     *
+     * Does the tagging and returns results.
+     *
+     * @param Array $args unused.
+     *
+     * @return void
+     */
+
+    function handle($args)
+    {
+
+        // Throws exception on error
+        $ptag = Profile_tag::setTag($this->user->id, $this->tagged->id,
+                                $this->peopletag->tag);
+
+        if (!$ptag) {
+            $user = User::staticGet('id', $id);
+            if ($user) {
+                $this->clientError(
+                        sprintf(_('There was an unexpected error while tagging %s'),
+                        $user->nickname));
+            } else {
+                $this->clientError(sprintf(_('There was a problem tagging %s.' .
+                                      'The remote server is probably not responding correctly, ' .
+                                      'please try retrying later.'), $this->profile->profileurl));
+            }
+            return false;
+        }
+        if ($this->boolean('ajax')) {
+            $this->startHTML('text/xml;charset=utf-8');
+            $this->elementStart('head');
+            $this->element('title', null, _('Subscribed'));
+            $this->elementEnd('head');
+            $this->elementStart('body');
+            $unsubscribe = new UntagButton($this, $this->tagged, $this->peopletag);
+            $unsubscribe->show();
+            $this->elementEnd('body');
+            $this->elementEnd('html');
+        } else {
+            $url = common_local_url('subscriptions',
+                                    array('nickname' => $this->user->nickname));
+            common_redirect($url, 303);
+        }
+    }
+}