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Radarr/NzbDrone.Core/Notifications/Xbmc/HttpApiProvider.cs

188 lines
6.5 KiB

using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Xml.Linq;
using NLog;
using NzbDrone.Common;
using NzbDrone.Core.Model.Xbmc;
using NzbDrone.Core.Tv;
namespace NzbDrone.Core.Notifications.Xbmc
{
public class HttpApiProvider : IApiProvider
{
private readonly IHttpProvider _httpProvider;
private readonly Logger _logger;
public HttpApiProvider(IHttpProvider httpProvider, Logger logger)
{
_httpProvider = httpProvider;
_logger = logger;
}
public void Notify(XbmcSettings settings, string title, string message)
{
var notification = String.Format("Notification({0},{1},{2},{3})", title, message, settings.DisplayTime * 1000, "https://raw.github.com/NzbDrone/NzbDrone/develop/Logo/64.png");
var command = BuildExecBuiltInCommand(notification);
SendCommand(settings, command);
}
public void Update(XbmcSettings settings, Series series)
{
if (!settings.AlwaysUpdate)
{
_logger.Trace("Determining if there are any active players on XBMC host: {0}", settings.Address);
var activePlayers = GetActivePlayers(settings);
if (activePlayers.Any(a => a.Type.Equals("video")))
{
_logger.Debug("Video is currently playing, skipping library update");
return;
}
}
UpdateLibrary(settings, series);
}
public void Clean(XbmcSettings settings)
{
const string cleanVideoLibrary = "CleanLibrary(video)";
var command = BuildExecBuiltInCommand(cleanVideoLibrary);
SendCommand(settings, command);
}
public List<ActivePlayer> GetActivePlayers(XbmcSettings settings)
{
try
{
var result = new List<ActivePlayer>();
var response = SendCommand(settings, "getcurrentlyplaying");
if (response.Contains("<li>Filename:[Nothing Playing]")) return new List<ActivePlayer>();
if (response.Contains("<li>Type:Video")) result.Add(new ActivePlayer(1, "video"));
return result;
}
catch (Exception ex)
{
_logger.DebugException(ex.Message, ex);
}
return new List<ActivePlayer>();
}
public bool CheckForError(string response)
{
_logger.Trace("Looking for error in response: {0}", response);
if (String.IsNullOrWhiteSpace(response))
{
_logger.Debug("Invalid response from XBMC, the response is not valid JSON");
return true;
}
var errorIndex = response.IndexOf("Error", StringComparison.InvariantCultureIgnoreCase);
if (errorIndex > -1)
{
var errorMessage = response.Substring(errorIndex + 6);
errorMessage = errorMessage.Substring(0, errorMessage.IndexOfAny(new char[] { '<', ';' }));
_logger.Trace("Error found in response: {0}", errorMessage);
return true;
}
return false;
}
public string GetSeriesPath(XbmcSettings settings, Series series)
{
var query =
String.Format(
"select path.strPath from path, tvshow, tvshowlinkpath where tvshow.c12 = {0} and tvshowlinkpath.idShow = tvshow.idShow and tvshowlinkpath.idPath = path.idPath",
series.TvdbId);
var command = String.Format("QueryVideoDatabase({0})", query);
const string setResponseCommand =
"SetResponseFormat(webheader;false;webfooter;false;header;<xml>;footer;</xml>;opentag;<tag>;closetag;</tag>;closefinaltag;false)";
const string resetResponseCommand = "SetResponseFormat()";
SendCommand(settings, setResponseCommand);
var response = SendCommand(settings, command);
SendCommand(settings, resetResponseCommand);
if (String.IsNullOrEmpty(response))
return String.Empty;
var xDoc = XDocument.Load(new StringReader(response.Replace("&", "&amp;")));
var xml = (from x in xDoc.Descendants("xml") select x).FirstOrDefault();
if (xml == null)
return null;
var field = xml.Descendants("field").FirstOrDefault();
if (field == null)
return null;
return field.Value;
}
public bool CanHandle(XbmcVersion version)
{
return version < new XbmcVersion(5);
}
private void UpdateLibrary(XbmcSettings settings, Series series)
{
try
{
_logger.Trace("Sending Update DB Request to XBMC Host: {0}", settings.Address);
var xbmcSeriesPath = GetSeriesPath(settings, series);
//If the path is found update it, else update the whole library
if (!String.IsNullOrEmpty(xbmcSeriesPath))
{
_logger.Trace("Updating series [{0}] on XBMC host: {1}", series, settings.Address);
var command = BuildExecBuiltInCommand(String.Format("UpdateLibrary(video,{0})", xbmcSeriesPath));
SendCommand(settings, command);
}
else
{
//Update the entire library
_logger.Trace("Series [{0}] doesn't exist on XBMC host: {1}, Updating Entire Library", series, settings.Address);
var command = BuildExecBuiltInCommand("UpdateLibrary(video)");
SendCommand(settings, command);
}
}
catch (Exception ex)
{
_logger.DebugException(ex.Message, ex);
}
}
private string SendCommand(XbmcSettings settings, string command)
{
var url = String.Format("http://{0}/xbmcCmds/xbmcHttp?command={1}", settings.Address, command);
if (!String.IsNullOrEmpty(settings.Username))
{
return _httpProvider.DownloadString(url, settings.Username, settings.Password);
}
return _httpProvider.DownloadString(url);
}
private string BuildExecBuiltInCommand(string command)
{
return String.Format("ExecBuiltIn({0})", command);
}
}
}