public void JdxFileReaderTest()
{
var records = new JcampReader(new MemoryStream(Resource._1567755));
int i = 0;
foreach (var record in records)
{
record.Should().BeOfType <FileParser.Record>();
record.Data.Should().NotBeNull();
i++;
}
i.Should().Be(1);
}
public async Task Consume(ConsumeContext <ParseFile> context)
{
try
{
var blob = await blobStorage.GetFileAsync(context.Message.BlobId, context.Message.Bucket);
var fields = new List <string>();
IEnumerable <Record> records = null;
switch (Path.GetExtension(blob.Info.FileName).ToLower())
{
case ".dx":
case ".jdx":
records = new JcampReader(blob.GetContentAsStream());
break;
default:
await context.Publish <FileParseFailed>(new
{
Id = context.Message.Id,
UserId = context.Message.UserId,
TimeStamp = DateTimeOffset.UtcNow,
CorrelationId = context.Message.CorrelationId,
Message = $"Cannot find file parser for {blob.Info.FileName}"
});
break;
}
long totalRecords = 0;
string bucket = context.Message.Bucket;
foreach (var record in records)
{
var blobId = NewId.NextGuid();
fields.AddRange(record.Properties?.Select(p => p.Name).Where(n => !fields.Contains(n)).ToList());
await blobStorage.AddFileAsync(blobId, blobId + Path.GetExtension(blob.Info.FileName).ToLower(), new MemoryStream(Encoding.UTF8.GetBytes(record.Data)), "chemical/x-jcamp-dx", bucket);
await context.Publish <RecordParsed>(new
{
Id = NewId.NextGuid(),
FileId = context.Message.Id,
Bucket = bucket,
BlobId = blobId,
Index = record.Index,
Fields = record.Properties?.Select(p => new Field(p.Name, p.Value)),
UserId = context.Message.UserId,
TimeStamp = DateTimeOffset.UtcNow,
CorrelationId = context.Message.CorrelationId
});
totalRecords++;
}
await context.Publish <FileParsed>(new
{
Id = context.Message.Id,
TotalRecords = totalRecords,
Fields = fields,
UserId = context.Message.UserId,
TimeStamp = DateTimeOffset.UtcNow,
CorrelationId = context.Message.CorrelationId
});
}
catch (Exception e)
{
await context.Publish <FileParseFailed>(new
{
Id = context.Message.Id,
UserId = context.Message.UserId,
TimeStamp = DateTimeOffset.UtcNow,
CorrelationId = context.Message.CorrelationId,
Message = $"Cannot parse spectra file from bucket {context.Message.Bucket} with Id {context.Message.BlobId}. Error: {e.Message}"
});
}
}