public List <ForexitePriceRecord> Read(string zipFilePath, Expression <Func <ForexitePriceRecord, bool> > pred)
{
List <ForexitePriceRecord> priceRecs = new List <ForexitePriceRecord>();
byte[] block = ZippedFile.ZipDataStreamBytes(zipFilePath);
if (block.Length > 0)
{
priceRecs.AddRange((from f in
(from f in System.Text.Encoding.Default.GetString(block, 0, block.Length).Split('\r').ToList()
where !f.StartsWith("<") && f.Length > 6
select f.Replace("\n", "")).ToArray()
let rec = f.Split(',')
select new ForexitePriceRecord()
{
Symbol = rec[0],
PriceDateTime = Forexite.ParseDate(rec[1], rec[2]),
Open = double.Parse(rec[3]),
High = double.Parse(rec[4]),
Low = double.Parse(rec[5]),
Close = double.Parse(rec[6]),
})
.ToList().Where(pred.Compile()));
}
return(priceRecs);
}
//public List<ForexPriceRecord> Read(DateTime priceDate)
//{
// return Read(Path.Combine(FileDataPath, Forexite.DateToFileName1(priceDate)), PredicateBuilder.True<ForexPriceRecord>());
//}
//public List<ForexPriceRecord> Read(string zipFilePath)
//{
// return Read(zipFilePath, PredicateBuilder.True<ForexPriceRecord>());
//}
public List <ForexPriceRecord> Read(string zipFilePath)
{
// file must exist
if (!File.Exists(zipFilePath))
{
throw new FileNotFoundException();
}
List <ForexPriceRecord> priceRecs = new List <ForexPriceRecord>();
byte[] block = ZippedFile.ZipDataStreamBytes(zipFilePath);
if (block.Length > 0)
{
priceRecs.AddRange((from f in
(from f in System.Text.Encoding.Default.GetString(block, 0, block.Length).Split('\r').ToList()
where !f.StartsWith("<") && f.Length > 6
select f.Replace("\n", "")).ToArray()
let rec = f.Split(',')
select new ForexPriceRecord()
{
Symbol = rec[0],
PriceDateTime = Forexite.ParseDate(rec[1], rec[2]),
Open = double.Parse(rec[3]),
High = double.Parse(rec[4]),
Low = double.Parse(rec[5]),
Close = double.Parse(rec[6]),
})
.ToList());
}
return(priceRecs);
}
public List <ForexitePriceRecord> Read(DateTime PriceDate)
{
return(Read(Path.Combine(FileDataPath, Forexite.DateToFileName1(PriceDate)), PredicateBuilder.True <ForexitePriceRecord>()));
//List<string> recs;
//try
//{
// recs = ToCsvList(PriceDate);
// return (from r in recs
// let rec = r.Split(',')
// where r.Length > 0 && !r.StartsWith("<")
// select new ForexitePriceRecord()
// {
// Symbol = rec[0],
// PriceDateTime = Forexite.ParseDate(rec[1], rec[2]),
// Open = double.Parse(rec[3]),
// High = double.Parse(rec[4]),
// Low = double.Parse(rec[5]),
// Close = double.Parse(rec[6]),
// }).ToList();
//}
//catch (Exception ex)
//{
// throw ex;
//}
}
//public static List<ForexPriceRecord> ParseBytes(byte[] block)
//{
// return ParseBytes(block, PredicateBuilder.True<ForexPriceRecord>());
//}
public static List <ForexPriceRecord> ParseBytes(byte[] block)
{
List <ForexPriceRecord> priceRecs = new List <ForexPriceRecord>();
if (block.Length > 0)
{
priceRecs.AddRange((from f in
(from f in System.Text.Encoding.Default.GetString(block, 0, block.Length).Split('\r').ToList()
where !f.StartsWith("<") && f.Length > 6
select f.Replace("\n", "")).ToArray()
let rec = f.Split(',')
select new ForexPriceRecord()
{
Symbol = rec[0],
PriceDateTime = Forexite.ParseDate(rec[1], rec[2]),
Open = double.Parse(rec[3]),
High = double.Parse(rec[4]),
Low = double.Parse(rec[5]),
Close = double.Parse(rec[6]),
})
.ToList());
}
return(priceRecs);
}
public byte[] ToByteArray(DateTime dt)
{
return(ToByteArray(Path.Combine(this.FileDataPath, Forexite.DateToFileName1(dt))));
}
public string ToCsvString(DateTime dt)
{
return(ToCsvString(Path.Combine(this.FileDataPath, Forexite.DateToFileName1(dt))));
}
public List <string> ToCsvList(DateTime dt)
{
return(ToCsvList(Path.Combine(this.FileDataPath, Forexite.DateToFileName1(dt))));
}
public List <ForexitePriceRecord> Read(DateTimeOffset PriceDate)
{
return(Read(Path.Combine(FileDataPath, Forexite.DateToFileName1(PriceDate.Date)), PredicateBuilder.True <ForexitePriceRecord>()));
}
public List <ForexitePriceRecord> Read(DateTimeOffset PriceDate, Expression <Func <ForexitePriceRecord, bool> > pred)
{
return(Read(Path.Combine(FileDataPath, Forexite.DateToFileName1(PriceDate.Date)), pred));
}
