private ValidationResult DirectlyValid(object value, ValidationContext validationContext)
{
using (CFContext db = new CFContext())
{
string Name = GetName(validationContext);
PropertyInfo IdProp = validationContext.ObjectInstance.GetType().GetProperties().FirstOrDefault(x => x.CustomAttributes.Count(a => a.AttributeType == typeof(KeyAttribute)) > 0);
var Id = IdProp.GetValue(validationContext.ObjectInstance, null);
Type entityType = validationContext.ObjectType;
IQueryable result = db.Set(entityType).Where(Name + "==@0", value);
int count = 0;
if (Id != null || Name != IdProp.Name)
{
result = result.Where(IdProp.Name + "<>@0", Id);
}
count = result.Count();
if (count == 0 || value == null)
{
return(ValidationResult.Success);
}
else
{
return(new ValidationResult(ErrorMessageString));
}
}
}
public static IEnumerable <T> GetAll(string[] includes = null)
{
//HANDLE INCLUDES FOR ASSOCIATED OBJECTS IF APPLICABLE
if (includes != null && includes.Count() > 0)
{
var query = dbContext.Set <T>().Include(includes.First());
foreach (var include in includes.Skip(1))
{
query = query.Include(include);
}
return(query.AsQueryable());
}
return(dbContext.Set <T>().AsQueryable());
}