private List <ScreenerCatalog> AddCalculatedFields(List <ScreenerCatalog> list)
{
var catalog = list.Where(x => x.Name == "DividendYield").FirstOrDefault();
string max = (ParseDouble(catalog.Properties.Max) * 100).ToString();
string min = (ParseDouble(catalog.Properties.Min) * 100).ToString();
var divPctCatalog = new ScreenerCatalog
{
Name = "DividendYieldPct",
Type = "int",
Properties = new ScreenerProp
{
Max = max,
Min = min,
IsAvailable = true
}
};
list.Add(divPctCatalog);
return(list);
}
private List <ScreenerCatalog> GetRange()
{
var propertyInfos = typeof(RBaseScreener).GetProperties();
var screener = _ingestionDbContext.RBaseScreeners.ToList();
List <ScreenerCatalog> ranges = new List <ScreenerCatalog>();
foreach (var pInfo in propertyInfos)
{
if (ScreenerProperties.Contains(pInfo.Name))
{
ScreenerCatalog range = new ScreenerCatalog
{
Name = pInfo.Name,
Properties = new ScreenerProp()
};
var propertyValues =
screener.Select(m => typeof(RBaseScreener).GetProperty(pInfo.Name)?.GetValue(m, null)).Distinct()
.Where(m => m != null).ToList();
if (Nullable.GetUnderlyingType(pInfo.PropertyType) == typeof(decimal))
{
range.Type = "double";
if (propertyValues.Any())
{
List <decimal> values = propertyValues.OfType <decimal>().ToList();
range.Properties.Max = values.Max().ToString();
range.Properties.Min = values.Min().ToString();
range.Properties.IsAvailable = true;
}
else
{
range.Properties.IsAvailable = false;
}
}
else if (Nullable.GetUnderlyingType(pInfo.PropertyType) == typeof(int))
{
range.Type = "int";
if (propertyValues.Any())
{
List <int> values = propertyValues.OfType <int>().ToList();
range.Properties.Max = values.Max().ToString();
range.Properties.Min = values.Min().ToString();
range.Properties.IsAvailable = true;
}
else
{
range.Properties.IsAvailable = false;
}
}
else if (Nullable.GetUnderlyingType(pInfo.PropertyType) == typeof(long))
{
range.Type = "long";
if (propertyValues.Any())
{
List <long> values = propertyValues.OfType <long>().ToList();
range.Properties.Max = values.Max().ToString();
range.Properties.Min = values.Min().ToString();
range.Properties.IsAvailable = true;
}
else
{
range.Properties.IsAvailable = false;
}
}
else if (pInfo.PropertyType == typeof(string))
{
var kvPairs = propertyValues.Select(m => new ScreenerCollection {
Text = m.ToString(), Value = m.ToString()
}).ToList();
range.Properties.Collection = kvPairs;
range.Type = "string";
range.Properties.IsAvailable = true;
}
if (range.Type == null)
{
range.Type = "others";
range.Properties.IsAvailable = false;
}
ranges.Add(range);
}
}
return(ranges);
}
