private dynamic ConvertToModel(IDictionary <string, string> filters)
{
object model = Activator.CreateInstance(FiltersModel);
var properties = FiltersModel.GetProperties();
foreach (var property in properties.Where(p => p.PropertyType.IsGenericType && p.PropertyType.GetGenericTypeDefinition() == typeof(PageFilter <>)))
{
var targetType = property.PropertyType.GetGenericArguments()[0];
string propertyName = property.Name.ToLowerInvariant();
var aliasAttribute = property.GetCustomAttributes(typeof(AliasAttribute), false).FirstOrDefault() as AliasAttribute;
if (aliasAttribute != null)
{
propertyName = aliasAttribute.Name;
}
var pageFilterType = typeof(PageFilter <>).MakeGenericType(targetType);
object targetValue = UninitializePageFilterTypeActivator.CreateUnitializedObject(targetType);
string stringValue = string.Empty;
string notSelectedValue = string.Empty;
Exception exception = null;
if (!filters.ContainsKey(propertyName) || string.IsNullOrWhiteSpace(filters[propertyName]))
{
object pageFilterNotSet = Activator.CreateInstance(pageFilterType, new[] { targetValue, false, null, string.Empty, string.Empty });
property.SetValue(model, pageFilterNotSet, null);
continue;
}
stringValue = filters[propertyName];
try
{
targetValue = PageFilterTypeConverter.Convert(stringValue, targetType);
}
catch (Exception ex)
{
exception = ex;
}
if (exception == null)
{
var notSelectedValueAttribute =
property.GetCustomAttributes(typeof(NotSelectedValueAttribute), false).FirstOrDefault() as NotSelectedValueAttribute;
if (notSelectedValueAttribute != null)
{
notSelectedValue = notSelectedValueAttribute.NotSelectedValue;
}
}
object pageFilter = Activator.CreateInstance(pageFilterType, new[] { targetValue, exception == null, exception, stringValue, notSelectedValue });
property.SetValue(model, pageFilter, null);
}
return(model);
}
private static void ExtractRangeValues(Type propType, object value, out object lowerBound, out object upperBound)
{
if (value == null)
{
Type generic = propType.GetGenericArguments()[0];
lowerBound = UninitializePageFilterTypeActivator.CreateUnitializedObject(generic);
upperBound = lowerBound;
return;
}
var lowerBoundProp = propType.GetProperty("LowerBound");
var upperBoundProp = propType.GetProperty("UpperBound");
lowerBound = lowerBoundProp.GetValue(value, null);
upperBound = upperBoundProp.GetValue(value, null);
}
