public void AddContent(IContentTransformer transformer, IContentSource source, byte[] content)
{
ITransformerStoreModel currentTransformer = GetTransformer(transformer, source);
string contentFileName = $"{Guid.NewGuid():N}.bin";
string contentFilePath = Path.Combine(_storeContentDirectoryName, currentTransformer.Id.ToString(), contentFileName);
int contentHash = BitConverter.ToInt32(new MD5CryptoServiceProvider().ComputeHash(content), 0);
try
{
lock (_dbConnection)
{
if (ExistContent(currentTransformer.Id, contentHash))
{
return;
}
_dbConnection.Execute($"INSERT INTO Contents (TransformerId, Created, ContentHash, ContentFileName) VALUES ({currentTransformer.Id}, '{DateTime.Now:yyyy-MM-dd hh:mm:ss}', '{contentHash}', '{contentFileName}')");
File.WriteAllBytes(contentFilePath, content);
}
}
catch
{
if (File.Exists(contentFilePath))
{
File.Delete(contentFilePath);
}
}
}
public void Init()
{
TransformerCatalog transformerCatalog = TransformerCatalog.TryLoad();
foreach (TransformerConfig transformerConfig in transformerCatalog.Transformers)
{
Type transformerType = Type.GetType(transformerConfig.TypeName);
if (transformerType == null)
{
throw new Exception($"The type '{transformerConfig.TypeName}' was not found.");
}
if (!typeof(IContentTransformer).IsAssignableFrom(transformerType))
{
throw new Exception($"The type '{transformerType.FullName}' is not assignable to type '{typeof(IContentTransformer).FullName}'.");
}
IContentTransformer transformer = (IContentTransformer)_container.Resolve(transformerType);
if (transformerConfig.ContentSource == null || string.IsNullOrEmpty(transformerConfig.ContentSource.Name))
{
throw new Exception($"The transformer '{transformerType.Name}' does not have any content source.");
}
IContentSource source = _contentSourceService.Build(transformerConfig.ContentSource.Name);
source.Init(transformerConfig.ContentSource.Config);
ITransformerStoreModel transformerStoreModel = _contentTransformerStorage.AddOrGetTransformer(transformer, source);
_transformerProcessors.Add(transformerStoreModel.Id, new TransformerProcessor(_contentTransformerStorage, transformer, source));
}
}
public ITransformerStoreModel AddOrGetTransformer(IContentTransformer transformer, IContentSource source)
{
ITransformerStoreModel currentTransformer = _transformers.Find(model => model.TransformerType == transformer.GetType().FullName&& model.SourceIdentity == source.Identity);
if (currentTransformer != null)
{
return(currentTransformer);
}
_dbConnection.Execute($"INSERT INTO Transformers (Created, Name, TransformerType, SourceIdentity) VALUES ('{DateTime.Now:yyyy-MM-dd hh:mm:ss}', '{transformer.GetType().Assembly.GetName().Name}', '{transformer.GetType().FullName}', '{source.Identity}')");
TransformerStoreModel transformerStoreModel = (TransformerStoreModel)GetTransformer(transformer, source);
Directory.CreateDirectory(Path.Combine(_storeContentDirectoryName, transformerStoreModel.Id.ToString()));
_transformers.Add(transformerStoreModel);
return(transformerStoreModel);
}