public async Task <IHttpActionResult> DB(string fileName)
{
Log.Info("Request for {0}", Request.RequestUri);
db = new Entities();
using (var transaction = db.Database.BeginTransaction())
using (db)
{
db.Configuration.AutoDetectChangesEnabled = false;
try
{
await Task.Run(() =>
{
StructHelper structHelper = new StructHelper(fileName);
structHelper.Open(FileAccess.Read, FileShare.None);
var header = (Header)structHelper.GetNextStructureValue(typeof(Header));
int count = 0;
object record;
while ((record = structHelper.GetNextStructureValue(typeof(StructModels.TradeRecord))) != null)
{
var rec = (StructModels.TradeRecord)record;
var recObj = new TradeRecord
{
Id = rec.id,
FileName = fileName,
Account = rec.account,
Volume = rec.volume,
Comment = rec.comment,
Version = header.version,
Type = header.type
};
++count;
db = AddToContext(db, recObj, count, numberOfBulkSave, true);
}
//Thread.Sleep(3000);
}).ConfigureAwait(false);
db.SaveChanges();
transaction.Commit();
}
catch (FileNotFoundException ex)
{
transaction.Rollback();
Log.Warn("Exception message {0}. Stack Trace: {1}", ex.Message, ex.StackTrace);
return(BadRequest(ex.Message));
}
catch (DbUpdateException ex)
{
transaction.Rollback();
Log.Error("Exception message {0}. Stack Trace: {1}", ex.Message, ex.StackTrace);
return(InternalServerError(ex));
}
}
return(Ok());
}
public static void ExecuteProcessCSV(string fileName, string csvFileName)
{
StructHelper structHelper = new StructHelper(fileName);
structHelper.Open(FileAccess.Read, FileShare.None);
using (StreamWriter output = new StreamWriter(csvFileName))
{
var header = structHelper.GetNextStructureValue(typeof(Header));
if (header is Header)
{
var head = (Header)header;
output.WriteLine(string.Format("{0},{1}", head.version, head.type));
}
object record;
while ((record = structHelper.GetNextStructureValue(typeof(StructModels.TradeRecord))) != null)
{
var rec = (StructModels.TradeRecord)record;
output.WriteLine(string.Format("{0},{1},{2},{3}", rec.id, rec.account, rec.volume, rec.comment));
}
}
}
public static void CreateBinaryFile(string fileName)
{
StructHelper structHelper = new StructHelper(fileName);
structHelper.Create(FileAccess.ReadWrite, FileShare.None);
var collectionOfStruct = new List <object>();
var header = new Header {
version = 1, type = "type1"
};
collectionOfStruct.Add(header);
var tradeRecord = new StructModels.TradeRecord {
id = 1, volume = 12.1, account = 2, comment = "comment"
};
collectionOfStruct.Add(tradeRecord);
var tradeRecord1 = new StructModels.TradeRecord {
id = 2, volume = 12.1, account = 2, comment = "comment"
};
collectionOfStruct.Add(tradeRecord1);
structHelper.WriteStructureCollection(collectionOfStruct);
structHelper.Close();
}
