private static void SetFieldValue(Object pivotalObject, DataRow dataRow, EntityColumn columnInfo)
{
var dbValue = dataRow[columnInfo.Name];
var convertedValue = ConvertDatabaseValueToPropertyValue(dbValue, columnInfo);
columnInfo.Property.SetValue(pivotalObject, convertedValue);
}
private EntityMetadata(string tableName, EntityColumn primaryKey, IReadOnlyCollection <EntityColumn> columns, EntityColumn foreignKey, IReadOnlyCollection <Secondary> secondaries)
{
TableName = tableName;
PrimaryKey = primaryKey;
Columns = columns;
ForeignKey = foreignKey;
Secondaries = secondaries;
}
private static object ConvertDatabaseValueToPropertyValue(object dbValue, EntityColumn fieldInfo)
{
if (dbValue is DBNull || dbValue == null)
{
return(null);
}
var targetType = fieldInfo.Property.PropertyType;
if (targetType.IsAssignableFrom(dbValue.GetType()))
{
return(dbValue);
}
var typeToUse = Nullable.GetUnderlyingType(targetType) ?? targetType;
if (typeToUse == typeof(bool))
{
var intValue = Convert.ToInt32(dbValue);
if (intValue < 0 || intValue > 1)
{
throw new MappingException(string.Format("Unable to convert value {0} to boolean", intValue));
}
return(intValue == 1);
}
if (typeToUse.IsEnum) // Pivotal Combo
{
var strValue = Convert.ToString(dbValue);
try
{
return(GetEnumValueFromName(typeToUse, strValue));
}
catch (Exception ex)
{
throw new MappingException(string.Format("Unable to convert value {0} to enum {1}", strValue, typeToUse.FullName), ex);
}
}
return(Convert.ChangeType(dbValue, typeToUse));
}
private static object ConvertPropertyValueToDatabaseValue(object propertyValue, EntityColumn columnInfo)
{
if (propertyValue == null)
{
return(DBNull.Value);
}
if (columnInfo.AsString)
{
//if (!(propertyValue is bool))
//{
// throw new MappingException(string.Format("Unable to convert value {0} to boolean", intValue));
// throw new ArgumentException("Unable to apply AsString");
//}
return(propertyValue.ToString());
//return (double)rawValue * 100;
}
var type = propertyValue.GetType();
if (type.IsEnum)
{
var attribute = type.GetField(Enum.GetName(type, propertyValue))
.GetCustomAttributes(typeof(DisplayAttribute), false)
.SingleOrDefault() as DisplayAttribute;
return((attribute != null && attribute.Name != "")
? attribute.Name
: propertyValue.ToString());
}
if (!(propertyValue is string))
{
return(propertyValue);
}
var stringValue = propertyValue as string;
return(stringValue != ""
? stringValue.ToANSI()
: null);
}
