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/*
* Copyright (C) 2010 Nokia Corporation.
*
* Author: Zeeshan Ali (Khattak) <zeeshanak@gnome.org>
*
* 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 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 program; if not, write to the Free Software Foundation,
* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
using GUPnP;
private errordomain Rygel.ItemDestroyerError {
PARSE
}
/**
* DestroyObject action implementation.
*/
internal class Rygel.ItemDestroyer: GLib.Object, Rygel.StateMachine {
private string object_id;
private ContentDirectory content_dir;
private ServiceAction action;
public Cancellable cancellable { get; set; }
public ItemDestroyer (ContentDirectory content_dir,
owned ServiceAction action) {
this.content_dir = content_dir;
this.cancellable = content_dir.cancellable;
this.action = (owned) action;
}
public async void run () {
try {
this.action.get ("ObjectID", typeof (string), out this.object_id);
if (this.object_id == null) {
// Sorry we can't do anything without the ID
throw new ContentDirectoryError.NO_SUCH_OBJECT
(_("No such object"));
}
yield this.remove_object ();
this.action.return ();
debug (_("Successfully destroyed object '%s'"), this.object_id);
} catch (Error error) {
if (error is ContentDirectoryError) {
this.action.return_error (error.code, error.message);
} else {
this.action.return_error (701, error.message);
}
warning (_("Failed to destroy object '%s': %s"),
this.object_id,
error.message);
}
this.completed ();
}
private async void remove_object () throws Error {
var media_object = yield this.fetch_object ();
if (media_object is MediaItem ) {
var parent = media_object.parent as WritableContainer;
yield parent.remove_item (this.object_id, this.cancellable);
if (!(media_object as MediaItem).place_holder) {
var writables = yield media_object.get_writables (this.cancellable);
foreach (var file in writables) {
if (file.query_exists (this.cancellable)) {
file.delete (this.cancellable);
}
}
}
}
}
private async MediaObject fetch_object () throws Error {
var media_object = yield this.content_dir.root_container.find_object
(this.object_id, this.cancellable);
if (media_object == null) {
throw new ContentDirectoryError.NO_SUCH_OBJECT
(_("No such object"));
} else if (!(OCMFlags.DESTROYABLE in media_object.ocm_flags)) {
throw new ContentDirectoryError.RESTRICTED_OBJECT
(_("Removal of object %s not allowed"),
media_object.id);
} else if (media_object.parent.restricted) {
var msg = _("Object removal from %s not allowed");
throw new ContentDirectoryError.RESTRICTED_PARENT (msg,
media_object.id);
}
return media_object;
}
}
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