/// <summary>Gets the min and max values from the MBMStockEntries.txt file</summary>
/// <exception cref="Exception">Thrown when failed to retrieve min and max values from a file</exception>
public Filter GetMinMaxValues()
{
try
{
Filter filter = new Filter();
List <StockEntry> stockEntries = new List <StockEntry>();
CSVStockRepository stockRepo = new CSVStockRepository(FilePath);
stockEntries = stockRepo.GetStockEntries() as List <StockEntry>;
filter.HighMin.Amount = stockEntries.Min(y => y.PriceHigh.Amount);
filter.HighMax.Amount = stockEntries.Max(y => y.PriceHigh.Amount);
filter.LowMin.Amount = stockEntries.Min(y => y.PriceLow.Amount);
filter.LowMax.Amount = stockEntries.Max(y => y.PriceLow.Amount);
filter.OpenMin.Amount = stockEntries.Min(y => y.PriceOpen.Amount);
filter.OpenMax.Amount = stockEntries.Max(y => y.PriceOpen.Amount);
filter.CloseMin.Amount = stockEntries.Min(y => y.PriceClose.Amount);
filter.CloseMax.Amount = stockEntries.Max(y => y.PriceClose.Amount);
filter.CloseAdjustedMin.Amount = stockEntries.Min(y => y.PriceCloseAdjusted.Amount);
filter.CloseAdjustedMax.Amount = stockEntries.Max(y => y.PriceCloseAdjusted.Amount);
filter.DateStart = stockEntries.Min(y => y.Date);
filter.DateEnd = stockEntries.Max(y => y.Date);
filter.VolumeMin = stockEntries.Min(y => y.Volume);
filter.VolumeMax = stockEntries.Max(y => y.Volume);
return(filter);
}
catch (Exception ex)
{
throw new Exception("Failed to retrieve min and max values from local file", ex);
}
}
/// <summary>Gets the list of symbols from the MBMStockEntries.txt file</summary>
/// <exception cref="Exception">Thrown when failed to retrieve symbols from a file</exception>
public IEnumerable <string> GetSymbols()
{
try
{
List <StockEntry> stockEntries = new List <StockEntry>();
CSVStockRepository stockRepo = new CSVStockRepository(FilePath);
List <string> uniqueSymbols = new List <string>();
stockEntries = stockRepo.GetStockEntries() as List <StockEntry>;
uniqueSymbols = stockEntries
.Select(s => s.Symbol)
.Distinct().ToList();
uniqueSymbols.Add("all symbols");
return(uniqueSymbols);
}
catch (Exception ex)
{
throw new Exception("Failed to retrieve symbols from local file", ex);
}
}
/// <summary>Returns a stock repository. Values "WCF", "SQL", "CSV"</summary>
public static IStockRepository GetRepository(string repositoryType)
{
IStockRepository repo = null;
switch (repositoryType)
{
case "WCF":
repo = new WCFStockRepository();
break;
case "SQL":
repo = new SQLStockRepository();
break;
case "CSV":
repo = new CSVStockRepository();
break;
default:
throw new ArgumentException("Invalid repository type");
}
return(repo);
}