string PrepareContentFilePath(DemoBinaryContent content)
{
string demoDataPath = GetDemoDataPath();
if (!Directory.Exists(demoDataPath))
Directory.CreateDirectory(demoDataPath);
string fileName = GetBinaryContentFileName(content);
return Path.Combine(demoDataPath, fileName);
}
string GetBinaryContentFileName(DemoBinaryContent content)
{
return content.Id.ToString() + ".tmp";
}
DemoBinaryContent CreateInitialBinaryContent(long id, byte[] data)
{
DemoBinaryContent content = new DemoBinaryContent(this);
content.Id = id;
if (data != null)
content.Data = data;
BinaryContentCache.Add(id, content);
if (MaxBinaryContentId < id)
MaxBinaryContentId = id;
return content;
}
public void WriteContentBytes(DemoBinaryContent content, byte[] data)
{
string filePath = PrepareContentFilePath(content);
lock (this.demoDataLocker)
{
File.WriteAllBytes(filePath, data);
}
content.IsLoaded = true;
}
public byte[] ReadContentBytes(DemoBinaryContent content)
{
if (content.IsLoaded)
{
string filePath = PrepareContentFilePath(content);
lock (this.demoDataLocker)
{
return File.ReadAllBytes(filePath);
}
}
byte[] data = SourceDataService.BinaryContentSet.
Where(dbContent => dbContent.Id == content.Id).
Select(dbContent => dbContent.Data).
First();
WriteContentBytes(content, data);
return data;
}
public override BinaryContent CreateBinaryContent(byte[] data)
{
DemoBinaryContent content = new DemoBinaryContent(this);
lock (this.binaryContentCacheLocker)
{
MaxBinaryContentId++;
content.Id = MaxBinaryContentId;
BinaryContentCache.Add(content.Id, content);
}
content.Data = data;
return content;
}
