AzureStorageTable/CoreHelpers.WindowsAzure.Storage.Table/Extensions/PropertyInfoSetValueFromEntityProperty.cs at 4c16cb067d20cee9d15ce49f50d0c983aa855e94 · zealofzebras/AzureStorageTable · GitHub

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using System;
using System.Collections;
using System.Collections.Generic;
using System.Reflection;
using Microsoft.WindowsAzure.Storage.Table;

namespace CoreHelpers.WindowsAzure.Storage.Table.Extensions
{
	public static class PropertyInfoSetValueFromEntityProperty
	{

		public static void SetValueFromEntityProperty(this PropertyInfo property, Object entity, EntityProperty entityProperty)
		{
			if (entityProperty.IsNull())
			{
				property.SetOrAddValue(entity, null, false);
			}
			else
			{
				// define the propertytype
				var isCollection = (property.PropertyType.GetTypeInfo().GetInterface("IList") != null);
				var propertyType = property.PropertyType;

				// handle colleciton s
				if (isCollection)
					propertyType = property.PropertyType.GenericTypeArguments[0];

                var nullableUnderlyingType = Nullable.GetUnderlyingType(propertyType);
                if (nullableUnderlyingType != null)
                    propertyType = nullableUnderlyingType;

                switch (entityProperty.PropertyType)
				{
					case EdmType.String:
                        int intEnum;
                        if (propertyType.IsEnum && int.TryParse(entityProperty.StringValue, out intEnum) && propertyType.IsEnumDefined(intEnum))
                            property.SetOrAddValue(entity, Enum.ToObject(property.PropertyType, intEnum), isCollection);
                        else if (propertyType.IsEnum && propertyType.IsEnumDefined(entityProperty.StringValue))
                            property.SetOrAddValue(entity, Enum.Parse(propertyType, entityProperty.StringValue), isCollection);

                        else if (propertyType == typeof(string))
                            property.SetOrAddValue(entity, entityProperty.StringValue, isCollection);

                        break;
                    case EdmType.Binary:
						if (propertyType != typeof(byte[]))
							break;

						property.SetOrAddValue(entity, entityProperty.BinaryValue, isCollection);
						break;
					case EdmType.Boolean:
						if (propertyType != typeof(bool) && propertyType != typeof(bool?))
							break;

						property.SetOrAddValue(entity, entityProperty.BooleanValue, isCollection);
						break;
					case EdmType.DateTime:
						if (propertyType == typeof(DateTime))
						{
							property.SetOrAddValue(entity, entityProperty.DateTimeOffsetValue.Value.UtcDateTime, isCollection);
						}
						else if (propertyType == typeof(DateTime?))
						{
							property.SetOrAddValue(entity, entityProperty.DateTimeOffsetValue.HasValue ? entityProperty.DateTimeOffsetValue.Value.UtcDateTime : (DateTime?)null, isCollection);
						}
						else if (propertyType == typeof(DateTimeOffset))
						{
							property.SetOrAddValue(entity, entityProperty.DateTimeOffsetValue.Value, isCollection);
						}
						else if (propertyType == typeof(DateTimeOffset?))
						{
							property.SetOrAddValue(entity, entityProperty.DateTimeOffsetValue, isCollection);
						}

						break;
					case EdmType.Double:
						if (propertyType != typeof(double) && propertyType != typeof(double?))
							break;

						property.SetOrAddValue(entity, entityProperty.DoubleValue, isCollection);
						break;
					case EdmType.Guid:
						if (propertyType != typeof(Guid) && propertyType != typeof(Guid?))
							break;

						property.SetOrAddValue(entity, entityProperty.GuidValue, isCollection);
						break;
					case EdmType.Int32:
						if (propertyType != typeof(int) && propertyType != typeof(int?) &&
							propertyType != typeof(double) && propertyType != typeof(double?))
							break;

						if (propertyType == typeof(double) || propertyType == typeof(double?))
							property.SetOrAddValue(entity, Convert.ToDouble(entityProperty.Int32Value), isCollection);
						else
							property.SetOrAddValue(entity, entityProperty.Int32Value, isCollection);

						break;
					case EdmType.Int64:
						if (propertyType != typeof(long) && propertyType != typeof(long?))
							break;

						property.SetOrAddValue(entity, entityProperty.Int64Value, isCollection);
						break;
				}
			}
		}
	}
}