public static IQueryable <IArioFactField> GetFields(IArioFact fact, List <string> fieldNames)
{
if (fact == null)
{
return(null);
}
return(fact.Fields.Where(f => fieldNames.Contains(f.Name)).AsQueryable());
}
public static IArioFactField GetField(IArioFact fact, string fieldName)
{
return(GetFields(fact, new List <string>()
{
fieldName
})
.FirstOrDefault());
}
public static double?GetFieldNumericalValue(IArioFact fact, string fieldName)
{
var field = GetFieldValue(fact, fieldName);
if (string.IsNullOrWhiteSpace(field))
{
return(null);
}
double result;
double.TryParse(field, System.Globalization.NumberStyles.AllowDecimalPoint, System.Globalization.CultureInfo.InvariantCulture, out result);
return(result);
}
public static double?GetFieldProbability(IArioFact fact, string fieldName)
{
if (fact == null)
{
return(null);
}
var field = fact.Fields.FirstOrDefault(f => f.Name == fieldName);
if (field == null)
{
return(null);
}
return(field.Probability);
}
public static string GetFieldValue(IArioFact fact, string fieldName)
{
if (fact == null)
{
return(string.Empty);
}
var field = fact.Fields.FirstOrDefault(f => f.Name == fieldName);
if (field != null)
{
return(field.Value);
}
return(string.Empty);
}
public static DateTime?GetFieldDateTimeValue(IArioFact fact, string fieldName)
{
var recognizedDate = GetFieldValue(fact, fieldName);
if (string.IsNullOrWhiteSpace(recognizedDate))
{
return(null);
}
DateTime date;
if (Calendar.TryParseDate(recognizedDate, out date))
{
return(date);
}
else
{
return(null);
}
}
public static string GetFactLabel(IArioFact fact, string propertyName)
{
string factInfo = fact.Name + propertyName;
foreach (var field in fact.Fields)
{
factInfo += field.Name + field.Value;
}
var factHash = string.Empty;
using (MD5 md5Hash = MD5.Create())
{
byte[] data = md5Hash.ComputeHash(Encoding.UTF8.GetBytes(factInfo));
for (int i = 0; i < data.Length; i++)
{
factHash += data[i].ToString("x2");
}
}
return(factHash);
}
public virtual IEntityRecognitionInfoFacts GetPreviousPropertyRecognitionResults(IArioFact fact,
string propertyName,
string filterPropertyValue,
string filterPropertyName)
{
var factLabel = GetFactLabel(fact, propertyName);
var recognitionInfo = EntityRecognitionInfos.GetAll()
.Where(d => d.Facts.Any(f => f.FactLabel == factLabel && f.VerifiedValue != null && f.VerifiedValue != string.Empty) &&
d.Facts.Any(f => f.PropertyName == filterPropertyName && f.PropertyValue == filterPropertyValue))
.OrderByDescending(d => d.Id)
.FirstOrDefault();
if (recognitionInfo == null)
{
return(null);
}
return(recognitionInfo.Facts
.Where(f => f.FactLabel == factLabel && !string.IsNullOrWhiteSpace(f.VerifiedValue)).First());
}
