public static bool SaveOnlineMediaData(OnlineMediaData data)
{
bool isSaved = false;
lock (_dbLock)
{
string xml = null;
try
{
using (StringWriter sw = new StringWriter())
using (XmlWriter xw = XmlWriter.Create(sw))
{
XmlSerializer xs = new XmlSerializer(typeof(OnlineMediaData));
xs.Serialize(xw, data);
xml = sw.ToString();
}
if (xml != null)
{
PersistenceProxy.SaveObject("OnlineMediaData", xml, false);
isSaved = true;
}
}
catch (Exception ex)
{
Logger.LogException(ex);
}
}
return(isSaved);
}
public static OnlineMediaData LoadOnlineMediaData()
{
lock (_dbLock)
{
OnlineMediaData internalDatabase = null;
try
{
// Fill with Internal stations list from Persistence Service
string xml = PersistenceProxy.ReadObject("OnlineMediaData", string.Empty, false);
if (!string.IsNullOrEmpty(xml))
{
using (StringReader sr = new StringReader(xml))
using (XmlReader xr = XmlReader.Create(sr))
{
XmlSerializer xs = new XmlSerializer(typeof(OnlineMediaData));
internalDatabase = xs.Deserialize(xr) as OnlineMediaData;
}
}
}
catch (Exception ex)
{
internalDatabase = null;
Logger.LogException(ex);
}
// Try fall back to DefaultOnlineMediaData.xml
if (internalDatabase == null)
{
using (FileStream fs = new FileStream(@".\DefaultOnlineMediaData.xml", FileMode.Open, FileAccess.Read))
using (XmlReader xr = XmlReader.Create(fs))
{
XmlSerializer xs = new XmlSerializer(typeof(OnlineMediaData));
internalDatabase = xs.Deserialize(xr) as OnlineMediaData;
}
}
// Try fallback to empty data
if (internalDatabase == null)
{
internalDatabase = new OnlineMediaData();
}
return(internalDatabase);
}
}
protected override List <OnlineMediaItem> Search(OnlineContentSearchParameters searchParams, ManualResetEvent abortEvent)
{
List <OnlineMediaItem> results = new List <OnlineMediaItem>();
if (abortEvent.WaitOne(5))
{
return(results);
}
OnlineMediaData internalDatabase = LoadOnlineMediaData();
if (abortEvent.WaitOne(5))
{
return(results);
}
if (internalDatabase != null &&
internalDatabase.OnlineMediaItems != null &&
internalDatabase.OnlineMediaItems.Count > 0)
{
foreach (var rs in internalDatabase.OnlineMediaItems)
{
if (abortEvent.WaitOne(5))
{
break;
}
var content = rs.Content ?? string.Empty;
var genre = rs.Genre ?? string.Empty;
var title = rs.Title ?? string.Empty;
var url = rs.Url ?? string.Empty;
if (content.ToLowerInvariant().Contains(searchParams.SearchText) ||
genre.ToLowerInvariant().Contains(searchParams.SearchText) ||
title.ToLowerInvariant().Contains(searchParams.SearchText) ||
url.ToLowerInvariant().Contains(searchParams.SearchText))
{
results.Add(rs);
}
}
}
return(results);
}
