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/*
* Copyright (C) 2013 Intel Corporation.
*
* Author: Jens Georg <jensg@openismus.com>
*
* This file is part of Rygel.
*
* Rygel is free software; you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* Rygel 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
using GUPnP;
internal class Rygel.ReferenceCreator : GLib.Object, Rygel.StateMachine {
private ContentDirectory content_directory;
private ServiceAction action;
// Props
public Cancellable cancellable { get; set; }
public string container_id;
// Local props
public string object_id;
public ReferenceCreator (ContentDirectory content_dir,
owned ServiceAction action) {
this.content_directory = content_dir;
this.cancellable = content_dir.cancellable;
this.action = (owned) action;
}
public void parse_arguments () throws Error {
this.action.get ("ContainerID",
typeof (string), out this.container_id,
"ObjectID",
typeof (string), out this.object_id);
if (this.container_id == null) {
throw new ContentDirectoryError.INVALID_ARGS
(_("“ContainerID” agument missing."));
}
if (this.object_id == null) {
throw new ContentDirectoryError.INVALID_ARGS
(_("“ObjectID” argument missing."));
}
}
public async void run () {
try {
this.parse_arguments ();
var root_container = this.content_directory.root_container;
var object = yield root_container.find_object
(this.object_id, this.cancellable);
if (object == null) {
throw new ContentDirectoryError.NO_SUCH_OBJECT
(_("No such object"));
}
var container = yield this.fetch_container ();
var new_id = yield container.add_reference (object,
this.cancellable);
this.action.set ("NewID", typeof (string), new_id);
this.action.return ();
this.completed ();
} catch (Error error) {
if (error is ContentDirectoryError) {
this.action.return_error (error.code, error.message);
} else {
this.action.return_error (402, error.message);
}
warning (_("Failed to create object under “%s”: %s"),
this.container_id,
error.message);
this.completed ();
return;
}
}
/**
* Get the container to create the item in.
*
* This will either try to fetch the container supplied by the caller or
* search for a container if the caller supplied the "DLNA.ORG_AnyContainer"
* id.
*
* @return an instance of WritableContainer matching the criteria
* @throws ContentDirectoryError for various problems
*/
private async WritableContainer fetch_container () throws Error {
MediaObject media_object = null;
var root_container = this.content_directory.root_container;
media_object = yield root_container.find_object (this.container_id,
this.cancellable);
if (media_object == null || !(media_object is MediaContainer)) {
throw new ContentDirectoryError.NO_SUCH_CONTAINER
(_("No such object"));
} else if (!(media_object is WritableContainer)) {
throw new ContentDirectoryError.RESTRICTED_PARENT
(_("Object creation in %s not allowed"),
media_object.id);
}
// FIXME: Check for @restricted=1 missing?
return media_object as WritableContainer;
}
}
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