/// <inheritdoc />
public Task CreateDataAsync(TelemetryEvent <TContext> telemetry)
{
return(Task.Run(() =>
{
string filePath = this.GetFilePath(telemetry.EventName, telemetry.CorrelationId);
string fileDirectory = Path.GetDirectoryName(filePath);
string fileContent = FileSystemTelemetryDataStore <TContext> .SerializeItem(telemetry);
if (!Directory.Exists(fileDirectory))
{
Directory.CreateDirectory(fileDirectory);
}
File.WriteAllText(filePath, fileContent);
}));
}
/// <inheritdoc />
public Task <IEnumerable <TelemetryEvent <TContext> > > SearchDataAsync(FilterOptions filter = null)
{
return(Task.Run(() =>
{
List <TelemetryEvent <TContext> > matchingEvents = new List <TelemetryEvent <TContext> >();
if (filter.EventName == null && filter.CorrelationId != null)
{
throw new NotSupportedException(
"When a correlation ID is provided in the filter, an event name must be provided as well.");
}
FileInfo[] matchingFiles = null;
DirectoryInfo matchingDirectory = new DirectoryInfo(this.GetFilePath(filter));
if (matchingDirectory.Exists)
{
if (filter.CorrelationId != null)
{
// A given correlation ID corresponds to a single directory only.
matchingFiles = matchingDirectory.GetFiles("*.json", SearchOption.TopDirectoryOnly);
}
else if (filter.Latest == true)
{
DirectoryInfo latestDirectory = matchingDirectory.GetDirectories()?.OrderByDescending(dir => dir.CreationTime)
.FirstOrDefault();
matchingFiles = latestDirectory?.GetFiles("*.json");
}
else
{
matchingFiles = matchingDirectory.GetFiles("*.json", SearchOption.AllDirectories);
}
if (matchingFiles != null)
{
foreach (FileInfo file in matchingFiles)
{
string fileContent = File.ReadAllText(file.FullName);
matchingEvents.Add(FileSystemTelemetryDataStore <TContext> .DeserializeItem(fileContent));
}
}
}
return matchingEvents as IEnumerable <TelemetryEvent <TContext> >;
}));
}