internal static void Validate(Rating role, ValidationResults results)
{
if (true)//some business-logic derived condition
{
results.AddResult
(
new ValidationResult("some reason from SelfValidation method", role, "ValidateMethod", "error", null)
);
}
}
public bool AddNoteToUser(User givingNoteUser, User receivingNoteUser, int note)
{
try
{
VerifyUsers(givingNoteUser, receivingNoteUser);
logger.logInfo("User " + givingNoteUser.Email + " try to add note " + note + " to user with email " + receivingNoteUser);
if (!VerifyUsersAuctions(givingNoteUser, receivingNoteUser))
throw new AuctionException("User "+givingNoteUser.Email+" can not add a note to user "+receivingNoteUser.Email+" because it does not participate to any auction");
ICollection<User> users = DataMapperFactoryMethod.GetCurrentFactory().UserFactory.GetAllUsersThatGiveARaitingToAUser(receivingNoteUser);
foreach(User user in users)
if(user.Equals(givingNoteUser))
throw new AuctionException("User " + givingNoteUser.Email + " can not add a note to user " + receivingNoteUser.Email + " because it already give a note to that user");
Rating persistRating = new Rating();
persistRating.Date = DateTime.Now;
persistRating.GivingNoteUser = givingNoteUser;
persistRating.ReceivingNoteUser = receivingNoteUser;
persistRating.Grade = note;
DataMapperFactoryMethod.GetCurrentFactory().UserFactory.AddRating(persistRating);
logger.logInfo("User " + givingNoteUser.Email + " succesfully add note " + note + " to user with email " + receivingNoteUser);
return true;
}
catch (EntityDoesNotExistException exc)
{
logger.logError(exc);
throw exc;
}
catch(ValidationException validationException)
{
logger.logError(validationException);
throw validationException;
}
catch(AuctionException auctioException)
{
logger.logError(auctioException);
throw auctioException;
}
}
public void AddRating(Rating rating)
{
using(var context = new AuctionModelContainer())
{
context.Users.Attach(rating.GivingNoteUser);
context.Users.Attach(rating.ReceivingNoteUser);
context.Ratings.Add(rating);
try
{
context.SaveChanges();
}
catch (DbEntityValidationException exc)
{
String message = "";
IEnumerable<DbEntityValidationResult> errors = exc.EntityValidationErrors;
foreach (DbEntityValidationResult error in errors)
foreach (var validationError in error.ValidationErrors)
message = message + " " + validationError.PropertyName + ". " + validationError.ErrorMessage;
throw new ValidationException(message);
}
}
}
public void UpdateRating(Rating rating)
{
using (var context = new AuctionModelContainer())
{
context.Ratings.Attach(rating);
var entry = context.Entry(rating);
entry.Property(r => r.Grade).IsModified = true;
try
{
context.SaveChanges();
}
catch (DbEntityValidationException exc)
{
String message = "";
IEnumerable<DbEntityValidationResult> errors = exc.EntityValidationErrors;
foreach (DbEntityValidationResult error in errors)
foreach (var validationError in error.ValidationErrors)
message = message + " " + validationError.PropertyName + ". " + validationError.ErrorMessage;
throw new ValidationException(message);
}
}
}
public void RemoveRating(Rating rating)
{
using(var context = new AuctionModelContainer())
{
context.Ratings.Attach(rating);
context.Ratings.Remove(rating);
context.SaveChanges();
}
}
