Allow users to be unblocked from a group

List users who are blocked from joining a group. Add a form to let
them be unblocked. Add an action that removes the block. Includes
changes to group and groupblock classes.

1 files changed, 149 insertions, 0 deletions

diff --git a/actions/groupunblock.php b/actions/groupunblock.php
new file mode 100644
index 000000000..a0bcb01f9
--- /dev/null
+++ b/actions/groupunblock.php
@@ -0,0 +1,149 @@
+<?php
+/**
+ * Block a user from a group action class.
+ *
+ * PHP version 5
+ *
+ * @category Action
+ * @package  Laconica
+ * @author   Evan Prodromou <evan@controlyourself.ca>
+ * @license  http://www.fsf.org/licensing/licenses/agpl.html AGPLv3
+ * @link     http://laconi.ca/
+ *
+ * Laconica - a distributed open-source microblogging tool
+ * Copyright (C) 2008, Controlez-Vous, 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/>.
+ */
+
+if (!defined('LACONICA')) {
+    exit(1);
+}
+
+/**
+ * Unlock a user from a group
+ *
+ * @category Action
+ * @package  Laconica
+ * @author   Evan Prodromou <evan@controlyourself.ca>
+ * @license  http://www.fsf.org/licensing/licenses/agpl.html AGPLv3
+ * @link     http://laconi.ca/
+ */
+
+class GroupunblockAction extends Action
+{
+    var $profile = null;
+    var $group = null;
+
+    /**
+     * Take arguments for running
+     *
+     * @param array $args $_REQUEST args
+     *
+     * @return boolean success flag
+     */
+
+    function prepare($args)
+    {
+        parent::prepare($args);
+        if (!common_logged_in()) {
+            $this->clientError(_('Not logged in.'));
+            return false;
+        }
+        $token = $this->trimmed('token');
+        if (empty($token) || $token != common_session_token()) {
+            $this->clientError(_('There was a problem with your session token. Try again, please.'));
+            return;
+        }
+        $id = $this->trimmed('unblockto');
+        if (empty($id)) {
+            $this->clientError(_('No profile specified.'));
+            return false;
+        }
+        $this->profile = Profile::staticGet('id', $id);
+        if (empty($this->profile)) {
+            $this->clientError(_('No profile with that ID.'));
+            return false;
+        }
+        $group_id = $this->trimmed('unblockgroup');
+        if (empty($group_id)) {
+            $this->clientError(_('No group specified.'));
+            return false;
+        }
+        $this->group = User_group::staticGet('id', $group_id);
+        if (empty($this->group)) {
+            $this->clientError(_('No such group.'));
+            return false;
+        }
+        $user = common_current_user();
+        if (!$user->isAdmin($this->group)) {
+            $this->clientError(_('Only an admin can unblock group members.'), 401);
+            return false;
+        }
+        if (!Group_block::isBlocked($this->group, $this->profile)) {
+            $this->clientError(_('User is not blocked from group.'));
+            return false;
+        }
+        return true;
+    }
+
+    /**
+     * Handle request
+     *
+     * @param array $args $_REQUEST args; handled in prepare()
+     *
+     * @return void
+     */
+
+    function handle($args)
+    {
+        parent::handle($args);
+        if ($_SERVER['REQUEST_METHOD'] == 'POST') {
+            $this->unblockProfile();
+        }
+    }
+
+    /**
+     * Unblock a user.
+     *
+     * @return void
+     */
+
+    function unblockProfile()
+    {
+        $result = Group_block::unblockProfile($this->group, $this->profile);
+
+        if (!$result) {
+            $this->serverError(_('Error removing the block.'));
+            return;
+        }
+
+        foreach ($this->args as $k => $v) {
+            if ($k == 'returnto-action') {
+                $action = $v;
+            } else if (substr($k, 0, 9) == 'returnto-') {
+                $args[substr($k, 9)] = $v;
+            }
+        }
+
+        if ($action) {
+            common_redirect(common_local_url($action, $args), 303);
+        } else {
+            common_redirect(common_local_url('blockedfromgroup',
+                                             array('nickname' => $this->group->nickname)),
+                            303);
+        }
+    }
+}
+