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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 = ORM::factory("item", $this->input->get('item_id'));
access::required("view", $item);
$comments = ORM::factory("comment")
->where("item_id", $item->id)
->orderby("created", "desc")
->find_all();
switch (rest::output_format()) {
case "json":
rest::http_content_type(rest::JSON);
foreach ($comments as $comment) {
$data[] = $comment->as_array();
}
print json_encode($data);
break;
case "html":
$view = new View("comments.html");
$view->comments = $comments;
print $view;
break;
}
}
/**
* Add a new comment to the collection.
* @see REST_Controller::_create($resource)
*/
public function _create($comment) {
rest::http_content_type(rest::JSON);
$item = ORM::factory("item", $this->input->post("item_id"));
access::required("view", $item);
$form = comment::get_add_form($item);
if ($form->validate()) {
$comment->author = $this->input->post("author");
$comment->email = $this->input->post("email");
$comment->text = $this->input->post("text");
$comment->created = time();
$comment->item_id = $this->input->post("item_id");
$comment->save();
module::event("comment_created", $comment);
print json_encode(
array("result" => "success",
"resource" => url::site("comments/{$comment->id}"),
"form" => comment::get_add_form($item)->__toString()));
} else {
print json_encode(
array("result" => "error",
"form" => $form->__toString()));
}
}
/**
* Display an existing comment.
* @todo Set proper Content-Type in a central place (REST_Controller::dispatch?).
* @see REST_Controller::_show($resource)
*/
public function _show($comment) {
if (rest::output_format() == "json") {
print json_encode(
array("result" => "success",
"data" => $comment->as_array()));
} else {
$view = new View("comment.html");
$view->comment = $comment;
print $view;
}
}
/**
* Change an existing comment.
* @see REST_Controller::_update($resource)
*/
public function _update($comment) {
rest::http_content_type(rest::JSON);
$form = comment::get_edit_form($comment);
if ($form->validate()) {
$comment->author = $this->input->post("author");
$comment->email = $this->input->post("email");
$comment->text = $this->input->post("text");
$comment->save();
module::event("comment_updated", $comment);
print json_encode(
array("result" => "success",
"resource" => url::site("comments/{$comment->id}")));
} else {
print json_encode(
array("result" => "error",
"html" => $form->__toString()));
}
}
/**
* Delete existing comment.
* @see REST_Controller::_delete($resource)
*/
public function _delete($comment) {
rest::http_content_type(rest::JSON);
$comment->delete();
print json_encode(array("result" => "success"));
}
/**
* Present a form for adding a new comment to this item or editing an existing comment.
* @see REST_Controller::form_add($resource)
*/
public function _form_add($item) {
$item = ORM::factory("item", $item_id);
access::required("view", $item);
print comment::get_add_form($item);
}
/**
* Present a form for editing an existing comment.
* @see REST_Controller::form_edit($resource)
*/
public function _form_edit($comment) {
print comment::get_edit_form($comment);
}
}
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