using System ;
using System.IO ;
using System.Linq ;
using System.Collections.Generic ;
using FluentValidation.Results ;
using NLog ;
using NzbDrone.Common ;
using NzbDrone.Common.Disk ;
using NzbDrone.Common.Http ;
using NzbDrone.Core.Configuration ;
using NzbDrone.Core.Indexers ;
using NzbDrone.Core.Parser ;
using NzbDrone.Core.Parser.Model ;
using NzbDrone.Core.Validation ;
namespace NzbDrone.Core.Download.Clients.Nzbget
{
public class Nzbget : UsenetClientBase < NzbgetSettings >
{
private readonly INzbgetProxy _proxy ;
public Nzbget ( INzbgetProxy proxy ,
IHttpClient httpClient ,
IConfigService configService ,
IDiskProvider diskProvider ,
IParsingService parsingService ,
Logger logger )
: base ( httpClient , configService , diskProvider , parsingService , logger )
{
_proxy = proxy ;
}
protected override string AddFromNzbFile ( RemoteEpisode remoteEpisode , string filename , byte [ ] fileContent )
{
var category = Settings . TvCategory ;
var priority = remoteEpisode . IsRecentEpisode ( ) ? Settings . RecentTvPriority : Settings . OlderTvPriority ;
var response = _proxy . DownloadNzb ( fileContent , filename , category , priority , Settings ) ;
return response ;
}
private IEnumerable < DownloadClientItem > GetQueue ( )
{
NzbgetGlobalStatus globalStatus ;
List < NzbgetQueueItem > queue ;
Dictionary < Int32 , NzbgetPostQueueItem > postQueue ;
try
{
globalStatus = _proxy . GetGlobalStatus ( Settings ) ;
queue = _proxy . GetQueue ( Settings ) ;
postQueue = _proxy . GetPostQueue ( Settings ) . ToDictionary ( v = > v . NzbId ) ;
}
catch ( DownloadClientException ex )
{
_logger . ErrorException ( ex . Message , ex ) ;
return Enumerable . Empty < DownloadClientItem > ( ) ;
}
var queueItems = new List < DownloadClientItem > ( ) ;
Int64 totalRemainingSize = 0 ;
foreach ( var item in queue )
{
var postQueueItem = postQueue . GetValueOrDefault ( item . NzbId ) ;
var totalSize = MakeInt64 ( item . FileSizeHi , item . FileSizeLo ) ;
var pausedSize = MakeInt64 ( item . PausedSizeHi , item . PausedSizeLo ) ;
var remainingSize = MakeInt64 ( item . RemainingSizeHi , item . RemainingSizeLo ) ;
var droneParameter = item . Parameters . SingleOrDefault ( p = > p . Name = = "drone" ) ;
var queueItem = new DownloadClientItem ( ) ;
queueItem . DownloadClientId = droneParameter = = null ? item . NzbId . ToString ( ) : droneParameter . Value . ToString ( ) ;
queueItem . Title = item . NzbName ;
queueItem . TotalSize = totalSize ;
queueItem . Category = item . Category ;
if ( postQueueItem ! = null )
{
queueItem . Status = DownloadItemStatus . Downloading ;
queueItem . Message = postQueueItem . ProgressLabel ;
if ( postQueueItem . StageProgress ! = 0 )
{
queueItem . RemainingTime = TimeSpan . FromSeconds ( postQueueItem . StageTimeSec * 1000 / postQueueItem . StageProgress - postQueueItem . StageTimeSec ) ;
}
}
else if ( globalStatus . DownloadPaused | | remainingSize = = pausedSize )
{
queueItem . Status = DownloadItemStatus . Paused ;
queueItem . RemainingSize = remainingSize ;
}
else
{
if ( item . ActiveDownloads = = 0 & & remainingSize ! = 0 )
{
queueItem . Status = DownloadItemStatus . Queued ;
}
else
{
queueItem . Status = DownloadItemStatus . Downloading ;
}
queueItem . RemainingSize = remainingSize - pausedSize ;
if ( globalStatus . DownloadRate ! = 0 )
{
queueItem . RemainingTime = TimeSpan . FromSeconds ( ( totalRemainingSize + queueItem . RemainingSize ) / globalStatus . DownloadRate ) ;
totalRemainingSize + = queueItem . RemainingSize ;
}
}
queueItems . Add ( queueItem ) ;
}
return queueItems ;
}
private IEnumerable < DownloadClientItem > GetHistory ( )
{
List < NzbgetHistoryItem > history ;
try
{
history = _proxy . GetHistory ( Settings ) . Take ( _configService . DownloadClientHistoryLimit ) . ToList ( ) ;
}
catch ( DownloadClientException ex )
{
_logger . ErrorException ( ex . Message , ex ) ;
return Enumerable . Empty < DownloadClientItem > ( ) ;
}
var historyItems = new List < DownloadClientItem > ( ) ;
var successStatus = new [ ] { "SUCCESS" , "NONE" } ;
foreach ( var item in history )
{
var droneParameter = item . Parameters . SingleOrDefault ( p = > p . Name = = "drone" ) ;
var historyItem = new DownloadClientItem ( ) ;
historyItem . DownloadClient = Definition . Name ;
historyItem . DownloadClientId = droneParameter = = null ? item . Id . ToString ( ) : droneParameter . Value . ToString ( ) ;
historyItem . Title = item . Name ;
historyItem . TotalSize = MakeInt64 ( item . FileSizeHi , item . FileSizeLo ) ;
historyItem . OutputPath = item . DestDir ;
historyItem . Category = item . Category ;
historyItem . Message = String . Format ( "PAR Status: {0} - Unpack Status: {1} - Move Status: {2} - Script Status: {3} - Delete Status: {4} - Mark Status: {5}" , item . ParStatus , item . UnpackStatus , item . MoveStatus , item . ScriptStatus , item . DeleteStatus , item . MarkStatus ) ;
historyItem . Status = DownloadItemStatus . Completed ;
historyItem . RemainingTime = TimeSpan . Zero ;
if ( item . DeleteStatus = = "MANUAL" )
{
continue ;
}
if ( ! successStatus . Contains ( item . ParStatus ) | |
! successStatus . Contains ( item . UnpackStatus ) | |
! successStatus . Contains ( item . MoveStatus ) | |
! successStatus . Contains ( item . ScriptStatus ) )
{
historyItem . Status = DownloadItemStatus . Failed ;
}
historyItems . Add ( historyItem ) ;
}
return historyItems ;
}
public override IEnumerable < DownloadClientItem > GetItems ( )
{
Dictionary < String , String > config = null ;
NzbgetCategory category = null ;
try
{
if ( ! Settings . TvCategoryLocalPath . IsNullOrWhiteSpace ( ) )
{
config = _proxy . GetConfig ( Settings ) ;
category = GetCategories ( config ) . FirstOrDefault ( v = > v . Name = = Settings . TvCategory ) ;
}
}
catch ( DownloadClientException ex )
{
_logger . ErrorException ( ex . Message , ex ) ;
yield break ;
}
foreach ( var downloadClientItem in GetQueue ( ) . Concat ( GetHistory ( ) ) )
{
if ( downloadClientItem . Category = = Settings . TvCategory )
{
if ( category ! = null )
{
RemapStorage ( downloadClientItem , category . DestDir , Settings . TvCategoryLocalPath ) ;
}
downloadClientItem . RemoteEpisode = GetRemoteEpisode ( downloadClientItem . Title ) ;
if ( downloadClientItem . RemoteEpisode = = null ) continue ;
yield return downloadClientItem ;
}
}
}
public override void RemoveItem ( String id )
{
_proxy . RemoveFromHistory ( id , Settings ) ;
}
public override String RetryDownload ( String id )
{
_proxy . RetryDownload ( id , Settings ) ;
return id ;
}
public override DownloadClientStatus GetStatus ( )
{
var config = _proxy . GetConfig ( Settings ) ;
var category = GetCategories ( config ) . FirstOrDefault ( v = > v . Name = = Settings . TvCategory ) ;
var status = new DownloadClientStatus
{
IsLocalhost = Settings . Host = = "127.0.0.1" | | Settings . Host = = "localhost"
} ;
if ( category ! = null )
{
if ( Settings . TvCategoryLocalPath . IsNullOrWhiteSpace ( ) )
{
status . OutputRootFolders = new List < String > { category . DestDir } ;
}
else
{
status . OutputRootFolders = new List < String > { Settings . TvCategoryLocalPath } ;
}
}
return status ;
}
protected IEnumerable < NzbgetCategory > GetCategories ( Dictionary < String , String > config )
{
for ( int i = 1 ; i < 100 ; i + + )
{
var name = config . GetValueOrDefault ( "Category" + i + ".Name" ) ;
if ( name = = null ) yield break ;
var destDir = config . GetValueOrDefault ( "Category" + i + ".DestDir" ) ;
if ( destDir . IsNullOrWhiteSpace ( ) )
{
var mainDir = config . GetValueOrDefault ( "MainDir" ) ;
destDir = config . GetValueOrDefault ( "DestDir" , String . Empty ) . Replace ( "${MainDir}" , mainDir ) ;
if ( config . GetValueOrDefault ( "AppendCategoryDir" , "yes" ) = = "yes" )
{
destDir = Path . Combine ( destDir , name ) ;
}
}
yield return new NzbgetCategory
{
Name = name ,
DestDir = destDir ,
Unpack = config . GetValueOrDefault ( "Category" + i + ".Unpack" ) = = "yes" ,
DefScript = config . GetValueOrDefault ( "Category" + i + ".DefScript" ) ,
Aliases = config . GetValueOrDefault ( "Category" + i + ".Aliases" ) ,
} ;
}
}
protected override void Test ( List < ValidationFailure > failures )
{
failures . AddIfNotNull ( TestConnection ( ) ) ;
failures . AddIfNotNull ( TestCategory ( ) ) ;
if ( ! Settings . TvCategoryLocalPath . IsNullOrWhiteSpace ( ) )
{
failures . AddIfNotNull ( TestFolder ( Settings . TvCategoryLocalPath , "TvCategoryLocalPath" ) ) ;
}
}
private ValidationFailure TestConnection ( )
{
try
{
_proxy . GetVersion ( Settings ) ;
}
catch ( Exception ex )
{
if ( ex . Message . ContainsIgnoreCase ( "Authentication failed" ) )
{
return new ValidationFailure ( "Username" , "Authentication failed" ) ;
}
_logger . ErrorException ( ex . Message , ex ) ;
return new ValidationFailure ( "Host" , "Unable to connect to NZBGet" ) ;
}
return null ;
}
private ValidationFailure TestCategory ( )
{
var config = _proxy . GetConfig ( Settings ) ;
var categories = GetCategories ( config ) ;
if ( ! Settings . TvCategory . IsNullOrWhiteSpace ( ) & & ! categories . Any ( v = > v . Name = = Settings . TvCategory ) )
{
return new NzbDroneValidationFailure ( "TvCategory" , "Category does not exist" )
{
InfoLink = String . Format ( "http://{0}:{1}/" , Settings . Host , Settings . Port ) ,
DetailedDescription = "The Category your entered doesn't exist in NzbGet. Go to NzbGet to create it."
} ;
}
return null ;
}
// Javascript doesn't support 64 bit integers natively so json officially doesn't either.
// NzbGet api thus sends it in two 32 bit chunks. Here we join the two chunks back together.
// Simplified decimal example: "42" splits into "4" and "2". To join them I shift (<<) the "4" 1 digit to the left = "40". combine it with "2". which becomes "42" again.
private Int64 MakeInt64 ( UInt32 high , UInt32 low )
{
Int64 result = high ;
result = ( result < < 32 ) | ( Int64 ) low ;
return result ;
}
}
}