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<?php defined("SYSPATH") or die("No direct script access.");
/**
* Gallery - a web based photo album viewer and editor
* Copyright (C) 2000-2008 Bharat Mediratta
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 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
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA.
*/
class Comments_Controller extends REST_Controller {
protected $resource_type = "comment";
/**
* Display comments based on criteria.
* @see Rest_Controller::_index()
*/
public function _index() {
$item_id = $this->input->get('item_id');
if (empty($item_id)) {
/* We currently do not support getting all comments from the entire gallery. */
header("HTTP/1.1 400 Bad Request");
return;
}
print comment::get_comments($item_id);
}
/**
* Add a new comment to the collection.
* @see Rest_Controller::_create($resource)
*/
public function _create($comment) {
$form = comment::get_add_form($this->input->post('item_id'));
if ($form->validate()) {
$comment->author = $this->input->post('author');
$comment->email = $this->input->post('email');
$comment->text = $this->input->post('text');
$comment->datetime = time();
$comment->item_id = $this->input->post('item_id');
$comment->save();
header("HTTP/1.1 201 Created");
header("Location: " . url::site("comments/{$comment->id}"));
}
// @todo Return appropriate HTTP status code indicating error.
print $form;
}
/**
* Display an existing comment.
* @todo Set proper Content-Type in a central place (REST_Controller::dispatch?).
* @see Rest_Controller::_show($resource)
*/
public function _show($comment) {
$output_format = rest::output_format();
switch ($output_format) {
case "xml":
header("Content-Type: application/xml");
print xml::to_xml($comment->as_array(), array("comment"));
break;
case "json":
header("Content-Type: application/json");
print json_encode($comment->as_array());
break;
default:
$v = new View("comment.$output_format");
$v->comment = $comment;
print $v;
}
}
/**
* Change an existing comment.
* @see Rest_Controller::_update($resource)
*/
public function _update($comment) {
$form = comment::get_edit_form($comment);
if ($form->validate()) {
$comment->author = $this->input->post('author');
$comment->email = $this->input->post('email');
$comment->text = $this->input->post('text');
$comment->save();
return;
}
// @todo Return appropriate HTTP status code indicating error.
print $form;
}
/**
* Delete existing comment.
* @see Rest_Controller::_delete($resource)
*/
public function _delete($comment) {
throw new Exception("@todo Comment_Controller::_delete NOT IMPLEMENTED");
}
/**
* Present a form for adding a new comment to this item or editing an existing comment.
* @see Rest_Controller::form_add($resource)
*/
public function _form_add($item_id) {
print comment::get_add_form($item_id);
}
/**
* Present a form for editing an existing comment.
* @see Rest_Controller::form_edit($resource)
*/
public function _form_edit($comment) {
print $form = comment::get_edit_form($comment);
}
}
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