public TK Get <TK>(Expression <Func <T, object> > key, CultureInfo cultureInfo = null)
{
var value = this[key];
if (value == null || String.IsNullOrEmpty(value.ToString()))
{
return(default(TK));
}
if (value.ToString().IsJson())
{
return(Serializer.Deserialize <TK>(value.ToString()));
}
// https://msdn.microsoft.com/en-us/library/system.componentmodel.typedescriptor(v=vs.110).aspx
TypeConverter converter = TypeDescriptor.GetConverter(typeof(TK));
try
{
return((TK)converter.ConvertFromString(null, cultureInfo ?? CultureInfo.CurrentCulture, value.ToString()));
}
catch (Exception)
{
return(default(TK));
}
}
/// <summary>
/// Maps redis values array into our generic model
/// </summary>
/// <param name="values"></param>
/// <returns></returns>
private T Map(RedisValue[] values)
{
// redis properties count must match count of object properties
// in order to get right property result for corresponding property
var properties = typeof(T).GetProperties();
if (properties.Count() != values.Count())
{
throw new ArgumentException("Object properties not matching");
}
dynamic obj = new ExpandoObject();
var expandoDict = obj as IDictionary <string, object>;
for (int i = 0; i < properties.Count(); i++)
{
var redisValue = values[i];
var property = properties.ElementAt(i);
if (!redisValue.HasValue)
{
expandoDict[property.Name] = null;
}
if (redisValue.IsJson())
{
expandoDict[property.Name] = Serializer.Deserialize <dynamic>(redisValue.ToString());
}
else
{
expandoDict[property.Name] = redisValue.ToString();
}
}
string serializedObject = Serializer.Serialize(obj);
return(Serializer.Deserialize <T>(serializedObject));
}