Show a single favorite for AtomPub

diff --git a/actions/atompubshowfavorite.php b/actions/atompubshowfavorite.php
new file mode 100644 (file)
index 0000000..5fe680b
--- /dev/null
+++ b/actions/atompubshowfavorite.php
@@ -0,0 +1,228 @@
+<?php
+/**
+ * StatusNet - the distributed open-source microblogging tool
+ * Copyright (C) 2010, StatusNet, Inc.
+ *
+ * Show a single favorite in Atom Activity Streams format
+ * 
+ * PHP version 5
+ *
+ * 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  AtomPub
+ * @package   StatusNet
+ * @author    Evan Prodromou <evan@status.net>
+ * @copyright 2010 StatusNet, Inc.
+ * @license   http://www.fsf.org/licensing/licenses/agpl-3.0.html AGPL 3.0
+ * @link      http://status.net/
+ */
+
+if (!defined('STATUSNET')) {
+    // This check helps protect against security problems;
+    // your code file can't be executed directly from the web.
+    exit(1);
+}
+
+require_once INSTALLDIR . '/lib/apiauth.php';
+
+/**
+ * Show a single favorite in Atom Activity Streams format.
+ *
+ * Can also be used to delete a favorite.
+ *
+ * @category  Action
+ * @package   StatusNet
+ * @author    Evan Prodromou <evan@status.net>
+ * @copyright 2010 StatusNet, Inc.
+ * @license   http://www.fsf.org/licensing/licenses/agpl-3.0.html AGPL 3.0
+ * @link      http://status.net/
+ */
+
+class AtompubshowfavoriteAction extends ApiAuthAction
+{
+    private $_profile = null;
+    private $_notice  = null;
+    private $_fave    = null;
+
+    /**
+     * For initializing members of the class.
+     *
+     * @param array $argarray misc. arguments
+     *
+     * @return boolean true
+     */
+
+    function prepare($argarray)
+    {
+        parent::prepare($argarray);
+
+        $profileId = $this->trimmed('profile');
+        $noticeId  = $this->trimmed('notice');
+
+        $this->_profile = Profile::staticGet('id', $profileId);
+
+        if (empty($this->_profile)) {
+            throw new ClientException(_('No such profile.'), 404);
+        }
+
+        $this->_notice = Notice::staticGet('id', $noticeId);
+
+        if (empty($this->_notice)) {
+            throw new ClientException(_('No such notice.'), 404);
+        }
+
+        $this->_fave = Fave::pkeyGet(array('user_id' => $profileId,
+                                           'notice_id' => $noticeId));
+
+        if (empty($this->_fave)) {
+            throw new ClientException(_('No such favorite.'), 404);
+        }
+
+        return true;
+    }
+
+    /**
+     * Handler method
+     *
+     * @param array $argarray is ignored since it's now passed in in prepare()
+     *
+     * @return void
+     */
+
+    function handle($argarray=null)
+    {
+        parent::handle($argarray);
+
+        switch ($_SERVER['REQUEST_METHOD']) {
+        case GET:
+        case HEAD:
+            $this->showFave();
+            break;
+        case DELETE:
+            $this->deleteFave();
+            break;
+        default:
+            throw new ClientException(_('HTTP method not supported.'),
+                                      405);
+        }
+        return true;
+    }
+
+    /**
+     * Show a single favorite, in ActivityStreams format
+     * 
+     * @return void
+     */
+
+    function showFave()
+    {
+        $activity = $this->_fave->asActivity();
+
+        header('Content-Type: application/atom+xml; charset=utf-8');
+
+        $this->startXML();
+        $this->raw($activity->asString(true, true, true));
+        $this->endXML();
+
+        return;
+    }
+
+    /**
+     * Delete the favorite
+     * 
+     * @return void
+     */
+
+    function deleteFave()
+    {
+        if (empty($this->auth_user) ||
+            $this->auth_user->id != $this->_profile->id) {
+            throw new ClientException(_("Can't delete someone else's".
+                                        " favorite"), 403);
+        }
+
+        $this->_fave->delete();
+
+        return;
+    }
+
+    /**
+     * Return true if read only.
+     *
+     * MAY override
+     *
+     * @param array $args other arguments
+     *
+     * @return boolean is read only action?
+     */
+
+    function isReadOnly($args)
+    {
+        if ($_SERVER['REQUEST_METHOD'] == 'GET' ||
+            $_SERVER['REQUEST_METHOD'] == 'HEAD') {
+            return true;
+        } else {
+            return false;
+        }
+    }
+
+    /**
+     * Return last modified, if applicable.
+     *
+     * MAY override
+     *
+     * @return string last modified http header
+     */
+
+    function lastModified()
+    {
+        return max(strtotime($this->_profile->modified),
+                   strtotime($this->_notice->modified),
+                   strtotime($this->_fave->modified));
+    }
+
+    /**
+     * Return etag, if applicable.
+     *
+     * MAY override
+     *
+     * @return string etag http header
+     */
+
+    function etag()
+    {
+        $mtime = strtotime($this->_fave->modified);
+
+        return 'W/"' . implode(':', array('AtomPubShowFavorite',
+                                          $this->_profile->id,
+                                          $this->_notice->id,
+                                          $mtime)) . '"';
+    }
+
+    /**
+     * Does this require authentication?
+     *
+     * @return boolean true if delete, else false
+     */
+
+    function requiresAuth()
+    {
+        if ($_SERVER['REQUEST_METHOD'] == 'GET' ||
+            $_SERVER['REQUEST_METHOD'] == 'HEAD') {
+            return false;
+        } else {
+            return true;
+        }
+    }
+}

diff --git a/classes/Fave.php b/classes/Fave.php
index 9922ae45c54bbc626965624f7bce05b9d9c0b735..030e67b56138fc796552e8edd149126a880b9d97 100644 (file)
--- a/classes/Fave.php
+++ b/classes/Fave.php
@@ -138,6 +138,9 @@ class Fave extends Memcached_DataObject
         $act = new Activity();
 
         $act->verb = ActivityVerb::FAVORITE;
+
+        // FIXME: rationalize this with URL below
+
         $act->id   = TagURI::mint('favor:%d:%d:%s',
                                   $profile->id,
                                   $notice->id,
@@ -155,6 +158,13 @@ class Fave extends Memcached_DataObject
         $act->actor     = ActivityObject::fromProfile($profile);
         $act->objects[] = ActivityObject::fromNotice($notice);
 
+        $url = common_local_url('AtomPubShowFavorite',
+                                          array('profile' => $this->user_id,
+                                                'notice'  => $this->notice_id));
+
+        $act->selfLink = $url;
+        $act->editLink = $url;
+
         return $act;
     }
 }

diff --git a/lib/router.php b/lib/router.php
index b20336164fcba71aaa9b6465ae95e2242dc07ec6..0ced86f34ef94bccb75385fb9e97e2a80f57df5e 100644 (file)
--- a/lib/router.php
+++ b/lib/router.php
@@ -920,6 +920,15 @@ class Router
                         array('action' => 'AtomPubSubscriptionFeed'),
                         array('subscriber' => '[0-9]+'));
 
+            $m->connect('api/statusnet/app/favorites/:profile/:notice.atom',
+                        array('action' => 'AtomPubShowFavorite'),
+                        array('profile' => '[0-9]+',
+                              'notice' => '[0-9]+'));
+
+            $m->connect('api/statusnet/app/favorites/:profile.atom',
+                        array('action' => 'AtomPubFavoriteFeed'),
+                        array('profile' => '[0-9]+'));
+
             // user stuff
 
             Event::handle('RouterInitialized', array($m));