public async Task FunctionHandler(S3NotificationEvent input, ILambdaContext context)
{
var data = input?.GetFileData();
var retriever = new S3ObjectRetriever(data.Value.objectsKey,
RegionEndpoint.GetBySystemName(data.Value.region));
using var connection = new DbConnection();
await connection.GetConnection().OpenAsync().ConfigureAwait(false);
var logSaver = new LogSaver(connection.GetConnection());
string logId = await logSaver.GetAssociatedLogIdAsync(data.Value.objectsKey).ConfigureAwait(false);
if (!String.IsNullOrEmpty(logId))
{
var entries = retriever.GetObjectDataAsync().Select(
logLine => EntryParser.ProcessLogLine(logLine));
await logSaver.SaveLogsAsync(logId, entries).ConfigureAwait(false);
if (NotificationSender.IsNotificationNecessary(data.Value.objectsKey))
{
await NotificationSender.TryPublishNotification(data.Value.objectsKey).ConfigureAwait(false);
}
}
else
{
throw new Exception($"Log with given object name " +
$"({data.Value.objectsKey}) has no associated record in database");
}
}