export user data as an activity stream

diff --git a/scripts/exportactivitystream.php b/scripts/exportactivitystream.php
new file mode 100644 (file)
index 0000000..85001f7
--- /dev/null
+++ b/scripts/exportactivitystream.php
@@ -0,0 +1,172 @@
+<?php
+/*
+ * StatusNet - the distributed open-source microblogging tool
+ * Copyright (C) 2010 StatusNet, Inc.
+ *
+ * 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/>.
+ */
+
+define('INSTALLDIR', realpath(dirname(__FILE__) . '/..'));
+
+$shortoptions = 'i:n:f:';
+$longoptions = array('id=', 'nickname=', 'file=');
+
+$helptext = <<<END_OF_EXPORTACTIVITYSTREAM_HELP
+exportactivitystream.php [options]
+Export a StatusNet user history to a file
+
+  -i --id       ID of user to export
+  -n --nickname nickname of the user to export
+  -f --file     file to export to (default STDOUT)
+
+END_OF_EXPORTACTIVITYSTREAM_HELP;
+
+require_once INSTALLDIR.'/scripts/commandline.inc';
+
+class UserActivityStream extends AtomUserNoticeFeed
+{
+    function __construct($user, $indent = true)
+    {
+        parent::__construct($user, null, $indent);
+
+        $subscriptions = $this->getSubscriptions();
+        $subscribers   = $this->getSubscribers();
+        $faves         = $this->getFaves();
+        $notices       = $this->getNotices();
+
+        $objs = array_merge($subscriptions, $subscribers, $faves, $notices);
+
+        // Sort by create date
+
+        usort($objs, 'UserActivityStream::compareObject');
+
+        foreach ($objs as $obj) {
+            $act = $obj->asActivity();
+            $this->addEntryRaw($act->asString(false));
+        }
+    }
+
+    function compareObject($a, $b)
+    {
+        $ac = strtotime((empty($a->created)) ? $a->modified : $a->created);
+        $bc = strtotime((empty($b->created)) ? $b->modified : $b->created);
+
+        return (($ac == $bc) ? 0 : (($ac < $bc) ? 1 : -1));
+    }
+
+    function getSubscriptions()
+    {
+        $subs = array();
+
+        $sub = new Subscription();
+
+        $sub->subscriber = $this->user->id;
+
+        if ($sub->find()) {
+            while ($sub->fetch()) {
+                if ($sub->subscribed != $this->user->id) {
+                    $subs[] = clone($sub);
+                }
+            }
+        }
+
+        return $subs;
+    }
+
+    function getSubscribers()
+    {
+        $subs = array();
+
+        $sub = new Subscription();
+
+        $sub->subscribed = $this->user->id;
+
+        if ($sub->find()) {
+            while ($sub->fetch()) {
+                if ($sub->subscriber != $this->user->id) {
+                    $subs[] = clone($sub);
+                }
+            }
+        }
+
+        return $subs;
+    }
+
+    function getFaves()
+    {
+        $faves = array();
+
+        $fave = new Fave();
+
+        $fave->user_id = $this->user->id;
+
+        if ($fave->find()) {
+            while ($fave->fetch()) {
+                $faves[] = clone($fave);
+            }
+        }
+
+        return $faves;
+    }
+
+    function getNotices()
+    {
+        $notices = array();
+
+        $notice = new Notice();
+
+        $notice->profile_id = $this->user->id;
+
+        if ($notice->find()) {
+            while ($notice->fetch()) {
+                $notices[] = clone($notice);
+            }
+        }
+
+        return $notices;
+    }
+}
+
+function getUser()
+{
+    $user = null;
+
+    if (have_option('i', 'id')) {
+        $id = get_option_value('i', 'id');
+        $user = User::staticGet('id', $id);
+        if (empty($user)) {
+            throw new Exception("Can't find user with id '$id'.");
+        }
+    } else if (have_option('n', 'nickname')) {
+        $nickname = get_option_value('n', 'nickname');
+        $user = User::staticGet('nickname', $nickname);
+        if (empty($user)) {
+            throw new Exception("Can't find user with nickname '$nickname'");
+        }
+    } else {
+        show_help();
+        exit(1);
+    }
+
+    return $user;
+}
+
+try {
+    $user = getUser();
+    $actstr = new UserActivityStream($user);
+    print $actstr->getString();
+} catch (Exception $e) {
+    print $e->getMessage()."\n";
+    exit(1);
+}