Make group block work

diff --git a/actions/groupblock.php b/actions/groupblock.php
new file mode 100644 (file)
index 0000000..93662da
--- /dev/null
+++ b/actions/groupblock.php
@@ -0,0 +1,215 @@
+<?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);
+}
+
+/**
+ * Block 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 GroupblockAction 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 = $this->trimmed('blockto');
+        if (empty($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 = $this->trimmed('blockgroup');
+        if (empty($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)) {
+            $this->clientError(_('Only an admin can block group members.'), 401);
+            return false;
+        }
+        if (Group_block::isBlocked($this->group, $this->profile)) {
+            $this->clientError(_('User is already blocked from group.'));
+            return false;
+        }
+        // XXX: could have proactive blocks, but we don't have UI for it.
+        if (!$this->profile->isMember($this->group)) {
+            $this->clientError(_('User is not a member of group.'));
+            return false;
+        }
+        return true;
+    }
+
+    /**
+     * Handle request
+     *
+     * Shows a page with list of favorite notices
+     *
+     * @param array $args $_REQUEST args; handled in prepare()
+     *
+     * @return void
+     */
+    function handle($args)
+    {
+        parent::handle($args);
+        if ($_SERVER['REQUEST_METHOD'] == 'POST') {
+            if ($this->arg('no')) {
+                common_redirect(common_local_url('groupmembers',
+                                                 array('nickname' => $this->group->nickname)),
+                                303);
+            } elseif ($this->arg('yes')) {
+                $this->blockProfile();
+            } elseif ($this->arg('blockto')) {
+                $this->showPage();
+            }
+        }
+    }
+
+    function showContent() {
+        $this->areYouSureForm();
+    }
+
+    function title() {
+        return _('Block user from group');
+    }
+
+    function showNoticeForm() {
+        // nop
+    }
+
+    /**
+     * Confirm with user.
+     *
+     * Shows a confirmation form.
+     *
+     * @return void
+     */
+
+    function areYouSureForm()
+    {
+        $id = $this->profile->id;
+        $this->element('p', null,
+                       sprintf(_('Are you sure you want to block user "%s" from the group "%s"? '.
+                                 'They will be removed from the group, unable to post, and '.
+                                 'unable to subscribe to the group in the future.'),
+                               $this->profile->getBestName(),
+                               $this->group->getBestName()));
+        $this->elementStart('form', array('id' => 'block-' . $id,
+                                           'method' => 'post',
+                                           'class' => 'block',
+                                           'action' => common_local_url('groupblock')));
+        $this->hidden('token', common_session_token());
+        $this->hidden('blockto-' . $this->profile->id,
+                      $this->profile->id,
+                      'blockto');
+        $this->hidden('blockgroup-' . $this->group->id,
+                      $this->group->id,
+                      'blockgroup');
+        foreach ($this->args as $k => $v) {
+            if (substr($k, 0, 9) == 'returnto-') {
+                $this->hidden($k, $v);
+            }
+        }
+        $this->submit('no', _('No'));
+        $this->submit('yes', _('Yes'));
+        $this->elementEnd('form');
+    }
+
+    /**
+     * Actually block a user.
+     *
+     * @return void
+     */
+
+    function blockProfile()
+    {
+        $block = Group_block::blockProfile($this->group, $this->profile,
+                                           common_current_user());
+
+        if (empty($block)) {
+            $this->serverError(_("Database error blocking user from group."));
+            return false;
+        }
+
+        // Now, gotta figure where we go back to
+        foreach ($this->args as $k => $v) {
+            if ($k == 'returnto-action') {
+                $action = $v;
+            } elseif (substr($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('groupmembers',
+                                             array('nickname' => $this->group->nickname)),
+                            303);
+        }
+    }
+}
+