protected override PhraseBeliefDto UpdateImpl(PhraseBeliefDto dto)
{
var results = from item in SeedData.Ton.PhraseBeliefs
where item.Id == dto.Id
select item;
if (results.Count() == 1)
{
CheckContraints(dto);
var phraseBeliefToUpdate = results.First();
SeedData.Ton.PhraseBeliefs.Remove(phraseBeliefToUpdate);
dto.Id = Guid.NewGuid();
SeedData.Ton.PhraseBeliefs.Add(dto);
UpdateReferences(phraseBeliefToUpdate, dto);
return(dto);
}
else
{
if (results.Count() == 0)
{
throw new Exceptions.IdNotFoundException(dto.Id);
}
else
{
throw new Exceptions.VeryBadException();
}
}
}
//public Result<PhraseBeliefDto> New(object criteria)
//{
// //throw new NotImplementedException("Ef.PhraseBeliefDal.New(object)");
// Result<PhraseBeliefDto> retResult = Result<PhraseBeliefDto>.Undefined(null);
// try
// {
// }
// catch (Exception ex)
// {
// retResult = Result<PhraseBeliefDto>.FailureWithInfo(null, new Exceptions.CreateFailedException(ex));
// }
// return retResult;
//}
//public Result<PhraseBeliefDto> Fetch(Guid id)
//{
// Result<PhraseBeliefDto> retResult = Result<PhraseBeliefDto>.Undefined(null);
// try
// {
// using (var ctx = LearnLanguagesContextManager.Instance.GetManager())
// {
// var results = from phraseBeliefData in ctx.ObjectContext.PhraseBeliefDatas
// where phraseBeliefData.Id == id
// select phraseBeliefData;
// if (results.Count() == 1)
// retResult = Result<PhraseBeliefDto>.Success(EfHelper.ToDto(results.First()));
// else
// {
// if (results.Count() == 0)
// retResult = Result<PhraseBeliefDto>.FailureWithInfo(null,
// new Exceptions.FetchFailedException(DalResources.ErrorMsgIdNotFound));
// else
// retResult = Result<PhraseBeliefDto>.FailureWithInfo(null, new Exceptions.FetchFailedException());
// }
// }
// }
// catch (Exception ex)
// {
// retResult = Result<PhraseBeliefDto>.FailureWithInfo(null, new Exceptions.FetchFailedException(ex));
// }
// return retResult;
//}
//public Result<PhraseBeliefDto> Update(PhraseBeliefDto dto)
//{
// Result<PhraseBeliefDto> retResult = Result<PhraseBeliefDto>.Undefined(null);
// try
// {
// using (var ctx = LearnLanguagesContextManager.Instance.GetManager())
// {
// var results = from phraseBeliefData in ctx.ObjectContext.PhraseBeliefDatas
// where phraseBeliefData.Id == dto.Id
// select phraseBeliefData;
// if (results.Count() == 1)
// {
// var phraseBeliefDataToUpdate = results.First();
// ctx.ObjectContext.PhraseBeliefDatas.DeleteObject(phraseBeliefDataToUpdate);
// var newPhraseBeliefData = EfHelper.ToData(dto);
// ctx.ObjectContext.PhraseBeliefDatas.AddObject(newPhraseBeliefData);
// ctx.ObjectContext.SaveChanges();
// dto.Id = newPhraseBeliefData.Id;
// retResult = Result<PhraseBeliefDto>.Success(dto);
// }
// else
// {
// if (results.Count() == 0)
// retResult = Result<PhraseBeliefDto>.FailureWithInfo(null,
// new Exceptions.UpdateFailedException(DalResources.ErrorMsgIdNotFound));
// else
// retResult = Result<PhraseBeliefDto>.FailureWithInfo(null, new Exceptions.UpdateFailedException());
// }
// }
// }
// catch (Exception ex)
// {
// retResult = Result<PhraseBeliefDto>.FailureWithInfo(null, new Exceptions.UpdateFailedException(ex));
// }
// return retResult;
//}
//public Result<PhraseBeliefDto> Insert(PhraseBeliefDto dto)
//{
// Result<PhraseBeliefDto> retResult = Result<PhraseBeliefDto>.Undefined(null);
// try
// {
// using (var ctx = LearnLanguagesContextManager.Instance.GetManager())
// {
// var results = from phraseBeliefData in ctx.ObjectContext.PhraseBeliefDatas
// where phraseBeliefData.Id == dto.Id
// select phraseBeliefData;
// //SHOULD FIND ZERO LANGUAGEDTOS (NO DUPLICATE IDS, NO DUPLICATE DTOS)
// if (results.Count() == 0)
// {
// var data = EfHelper.ToData(dto);
// ctx.ObjectContext.PhraseBeliefDatas.AddObject(data);
// ctx.ObjectContext.SaveChanges();
// dto.Id = data.Id;
// retResult = Result<PhraseBeliefDto>.Success(dto);
// }
// else
// {
// if (results.Count() == 1) //ID ALREADY EXISTS
// retResult = Result<PhraseBeliefDto>.FailureWithInfo(dto,
// new Exceptions.InsertFailedException(DalResources.ErrorMsgIdNotFound));
// else //MULTIPLE IDS ALREADY EXIST?? SHOULD NOT BE POSSIBLE
// retResult = Result<PhraseBeliefDto>.FailureWithInfo(null, new Exceptions.InsertFailedException());
// }
// }
// }
// catch (Exception ex)
// {
// retResult = Result<PhraseBeliefDto>.FailureWithInfo(null, new Exceptions.InsertFailedException(ex));
// }
// return retResult;
//}
//public Result<PhraseBeliefDto> Delete(Guid id)
//{
// Result<PhraseBeliefDto> retResult = Result<PhraseBeliefDto>.Undefined(null);
// try
// {
// using (var ctx = LearnLanguagesContextManager.Instance.GetManager())
// {
// var results = from phraseBeliefData in ctx.ObjectContext.PhraseBeliefDatas
// where phraseBeliefData.Id == id
// select phraseBeliefData;
// if (results.Count() == 1)
// {
// var phraseBeliefDataToRemove = results.First();
// ctx.ObjectContext.PhraseBeliefDatas.DeleteObject((phraseBeliefDataToRemove));
// ctx.ObjectContext.SaveChanges();
// retResult = Result<PhraseBeliefDto>.Success(EfHelper.ToDto(phraseBeliefDataToRemove));
// }
// else
// {
// if (results.Count() == 0)
// retResult = Result<PhraseBeliefDto>.FailureWithInfo(null,
// new Exceptions.DeleteFailedException(DalResources.ErrorMsgIdNotFound));
// else
// retResult = Result<PhraseBeliefDto>.FailureWithInfo(null, new Exceptions.DeleteFailedException());
// }
// }
// }
// catch (Exception ex)
// {
// retResult = Result<PhraseBeliefDto>.FailureWithInfo(null, new Exceptions.DeleteFailedException(ex));
// }
// return retResult;
//}
//public Result<ICollection<PhraseBeliefDto>> GetAll()
//{
// var retAllPhraseBeliefDtos = new List<PhraseBeliefDto>();
// using (var ctx = LearnLanguagesContextManager.Instance.GetManager())
// {
// var allPhraseBeliefDatas = from phraseBeliefData in ctx.ObjectContext.PhraseBeliefDatas
// select phraseBeliefData;
// foreach (var phraseBeliefData in allPhraseBeliefDatas)
// {
// var phraseBeliefDto = EfHelper.ToDto(phraseBeliefData);
// retAllPhraseBeliefDtos.Add(phraseBeliefDto);
// }
// //var allDtos = new List<PhraseBeliefDto>(ctx.ObjectContext.PhraseBeliefDatas);
// return retAllPhraseBeliefDtos;
// }
//}
protected override PhraseBeliefDto NewImpl(object criteria)
{
var identity = (UserIdentity)Csla.ApplicationContext.User.Identity;
string currentUsername = identity.Name;
Guid currentUserId = Guid.Empty;
using (var ctx = LearnLanguagesContextManager.Instance.GetManager())
{
currentUserId = (from user in ctx.ObjectContext.UserDatas
where user.Username == currentUsername
select user.Id).First();
}
//if ((criteria != null) && !(criteria is UserDto))
// throw new Exceptions.BadCriteriaException(DalResources.ErrorMsgBadCriteriaExceptionDetail_ExpectedTypeIsUserDto);
PhraseBeliefDto newPhraseBeliefDto = new PhraseBeliefDto()
{
Id = Guid.NewGuid(),
Text = DalResources.DefaultNewPhraseBeliefText,
BelieverId = Guid.Empty,
ReviewMethodId = Guid.Empty,
Strength = double.Parse(DalResources.DefaultNewPhraseBeliefStrength),
PhraseId = Guid.Empty,
TimeStamp = DateTime.Now,
UserId = currentUserId,
Username = currentUsername
};
return(newPhraseBeliefDto);
}
protected override PhraseBeliefDto InsertImpl(PhraseBeliefDto dto)
{
//MAKE SURE ID ISN'T ALREADY IN DB
var results = from item in SeedData.Ton.PhraseBeliefs
where item.Id == dto.Id
select item;
if (results.Count() == 0)
{
CheckContraints(dto);
dto.Id = Guid.NewGuid();
SeedData.Ton.PhraseBeliefs.Add(dto);
//ADD PHRASEBELIEF.ID TO USER
var resultsUser = from u in SeedData.Ton.Users
where u.Id == dto.UserId
select u;
var user = resultsUser.First();
user.PhraseBeliefIds.Add(dto.Id);
return dto;
}
else
{
if (results.Count() == 1) //ID ALREADY EXISTS
throw new Exceptions.IdAlreadyExistsException(dto.Id);
else //MULTIPLE IDS ALREADY EXIST??
throw new Exceptions.VeryBadException();
}
}
protected override PhraseBeliefDto NewImpl(object criteria)
{
//to get to this point, we must have already been authenticated
Debug.Assert(Csla.ApplicationContext.User.Identity.IsAuthenticated);
if (criteria != null)
{
throw new ArgumentException("criteria expected to be null");
}
var username = Csla.ApplicationContext.User.Identity.Name;
var userId = (from u in SeedData.Ton.Users
where u.Username == username
select u.Id).FirstOrDefault();
if (userId == Guid.Empty)
{
throw new Exceptions.UserNotAuthorizedException();
}
var dto = new PhraseBeliefDto()
{
Id = Guid.NewGuid(),
Text = "",
Strength = 1.0d,
PhraseId = Guid.Empty,
UserId = userId,
Username = username
};
return(dto);
}
protected override PhraseBeliefDto FetchImpl(Guid id)
{
var currentUserId = Business.BusinessHelper.GetCurrentUserId();
using (var ctx = LearnLanguagesContextManager.Instance.GetManager())
{
var results = from phraseBeliefData in ctx.ObjectContext.PhraseBeliefDatas
where phraseBeliefData.Id == id &&
phraseBeliefData.UserDataId == currentUserId
select phraseBeliefData;
if (results.Count() == 1)
{
var fetchedPhraseBeliefData = results.First();
PhraseBeliefDto phraseBeliefDto = EfHelper.ToDto(fetchedPhraseBeliefData);
return(phraseBeliefDto);
}
else
{
if (results.Count() == 0)
{
throw new Exceptions.IdNotFoundException(id);
}
else
{
//results.count is not one or zero. either it's negative, which would be framework absurd, or its more than one,
//which means that we have multiple phraseBeliefs with the same id. this is very bad.
var errorMsg = string.Format(DalResources.ErrorMsgVeryBadException,
DalResources.ErrorMsgVeryBadExceptionDetail_ResultCountNotOneOrZero);
throw new Exceptions.VeryBadException(errorMsg);
}
}
}
}
protected override PhraseBeliefDto InsertImpl(PhraseBeliefDto dto)
{
using (var ctx = LearnLanguagesContextManager.Instance.GetManager())
{
PhraseBeliefData newPhraseBeliefData = EfHelper.AddToContext(dto, ctx.ObjectContext);
ctx.ObjectContext.SaveChanges();
dto.Id = newPhraseBeliefData.Id;
return(dto);
}
}
public static PhraseBeliefDto ToDto(PhraseBeliefData data)
{
var dto = new PhraseBeliefDto()
{
Id = data.Id,
BelieverId = data.BelieverId,
PhraseId = data.PhraseDataId,
ReviewMethodId = data.ReviewMethodId,
Strength = data.Strength,
Text = data.Text,
TimeStamp = data.TimeStamp,
UserId = data.UserDataId,
Username = data.UserData.Username,
};
return(dto);
}
private void CheckContraints(PhraseBeliefDto dto)
{
//REFERENTIAL INTEGRITY
if (dto.PhraseId == Guid.Empty || !SeedData.Ton.ContainsPhraseId(dto.PhraseId))
{
throw new Exceptions.IdNotFoundException(dto.PhraseId);
}
if (dto.UserId == Guid.Empty || !SeedData.Ton.ContainsUserId(dto.UserId))
{
throw new Exceptions.IdNotFoundException(dto.UserId);
}
if (string.IsNullOrEmpty(dto.Username) ||
!(SeedData.Ton.GetUsername(dto.UserId) == dto.Username))
{
throw new ArgumentException("dto.Username");
}
}
public static void LoadDataFromDto(ref PhraseBeliefData data,
PhraseBeliefDto dto,
LearnLanguagesContext context)
{
//USER INFO
data.UserDataId = dto.UserId;
data.UserData = EfHelper.GetUserData(dto.UserId, context);
//PHRASE
data.PhraseDataId = dto.PhraseId;
data.PhraseData = EfHelper.GetPhraseData(dto.PhraseId, context);
//SCALAR
data.ReviewMethodId = dto.ReviewMethodId;
data.Strength = dto.Strength;
data.Text = dto.Text;
data.TimeStamp = dto.TimeStamp;
}
/// <summary>
/// Adds the PhraseBeliefDto to the context, loading UserData and PhraseDatas into the newly
/// created PhraseBeliefData. Does NOT save changes to the context.
/// </summary>
public static PhraseBeliefData AddToContext(PhraseBeliefDto dto, LearnLanguagesContext context)
{
//CREATE THE NEW OBJECT
var data = context.PhraseBeliefDatas.CreateObject();
//ASSIGN PROPERTIES
data.PhraseDataId = dto.PhraseId;
data.ReviewMethodId = dto.ReviewMethodId;
data.Strength = dto.Strength;
data.BelieverId = dto.BelieverId;
data.Text = dto.Text;
data.TimeStamp = dto.TimeStamp;
data.UserDataId = dto.UserId;
//ADD OBJECT TO CONTEXT
context.PhraseBeliefDatas.AddObject(data);
//RETURN OBJECT
return(data);
}
private void UpdateReferences(PhraseBeliefDto oldPhraseBelief, PhraseBeliefDto newPhraseBelief)
{
////UPDATE USERS WHO REFERENCE THIS LINE
var referencedUsers = from u in SeedData.Ton.Users
where u.PhraseBeliefIds.Contains(oldPhraseBelief.Id)
select u;
foreach (var user in referencedUsers)
{
user.PhraseBeliefIds.Remove(oldPhraseBelief.Id);
user.PhraseBeliefIds.Add(newPhraseBelief.Id);
}
////UPDATE TRANSLATIONS WHO REFERENCE THIS PHRASE
//var referencedTranslations = from t in SeedData.Ton.Translations
// where t.PhraseBeliefIds.Contains(oldPhraseBelief.Id)
// select t;
//foreach (var translation in referencedTranslations)
//{
// translation.PhraseBeliefIds.Remove(oldPhraseBelief.Id);
// translation.PhraseBeliefIds.Add(newPhraseBelief.Id);
//}
}
protected override PhraseBeliefDto InsertImpl(PhraseBeliefDto dto)
{
//MAKE SURE ID ISN'T ALREADY IN DB
var results = from item in SeedData.Ton.PhraseBeliefs
where item.Id == dto.Id
select item;
if (results.Count() == 0)
{
CheckContraints(dto);
dto.Id = Guid.NewGuid();
SeedData.Ton.PhraseBeliefs.Add(dto);
//ADD PHRASEBELIEF.ID TO USER
var resultsUser = from u in SeedData.Ton.Users
where u.Id == dto.UserId
select u;
var user = resultsUser.First();
user.PhraseBeliefIds.Add(dto.Id);
return(dto);
}
else
{
if (results.Count() == 1) //ID ALREADY EXISTS
{
throw new Exceptions.IdAlreadyExistsException(dto.Id);
}
else //MULTIPLE IDS ALREADY EXIST??
{
throw new Exceptions.VeryBadException();
}
}
}
//public Result<PhraseBeliefDto> New(object criteria)
//{
// //throw new NotImplementedException("Ef.PhraseBeliefDal.New(object)");
// Result<PhraseBeliefDto> retResult = Result<PhraseBeliefDto>.Undefined(null);
// try
// {
// }
// catch (Exception ex)
// {
// retResult = Result<PhraseBeliefDto>.FailureWithInfo(null, new Exceptions.CreateFailedException(ex));
// }
// return retResult;
//}
//public Result<PhraseBeliefDto> Fetch(Guid id)
//{
// Result<PhraseBeliefDto> retResult = Result<PhraseBeliefDto>.Undefined(null);
// try
// {
// using (var ctx = LearnLanguagesContextManager.Instance.GetManager())
// {
// var results = from phraseBeliefData in ctx.ObjectContext.PhraseBeliefDatas
// where phraseBeliefData.Id == id
// select phraseBeliefData;
// if (results.Count() == 1)
// retResult = Result<PhraseBeliefDto>.Success(EfHelper.ToDto(results.First()));
// else
// {
// if (results.Count() == 0)
// retResult = Result<PhraseBeliefDto>.FailureWithInfo(null,
// new Exceptions.FetchFailedException(DalResources.ErrorMsgIdNotFound));
// else
// retResult = Result<PhraseBeliefDto>.FailureWithInfo(null, new Exceptions.FetchFailedException());
// }
// }
// }
// catch (Exception ex)
// {
// retResult = Result<PhraseBeliefDto>.FailureWithInfo(null, new Exceptions.FetchFailedException(ex));
// }
// return retResult;
//}
//public Result<PhraseBeliefDto> Update(PhraseBeliefDto dto)
//{
// Result<PhraseBeliefDto> retResult = Result<PhraseBeliefDto>.Undefined(null);
// try
// {
// using (var ctx = LearnLanguagesContextManager.Instance.GetManager())
// {
// var results = from phraseBeliefData in ctx.ObjectContext.PhraseBeliefDatas
// where phraseBeliefData.Id == dto.Id
// select phraseBeliefData;
// if (results.Count() == 1)
// {
// var phraseBeliefDataToUpdate = results.First();
// ctx.ObjectContext.PhraseBeliefDatas.DeleteObject(phraseBeliefDataToUpdate);
// var newPhraseBeliefData = EfHelper.ToData(dto);
// ctx.ObjectContext.PhraseBeliefDatas.AddObject(newPhraseBeliefData);
// ctx.ObjectContext.SaveChanges();
// dto.Id = newPhraseBeliefData.Id;
// retResult = Result<PhraseBeliefDto>.Success(dto);
// }
// else
// {
// if (results.Count() == 0)
// retResult = Result<PhraseBeliefDto>.FailureWithInfo(null,
// new Exceptions.UpdateFailedException(DalResources.ErrorMsgIdNotFound));
// else
// retResult = Result<PhraseBeliefDto>.FailureWithInfo(null, new Exceptions.UpdateFailedException());
// }
// }
// }
// catch (Exception ex)
// {
// retResult = Result<PhraseBeliefDto>.FailureWithInfo(null, new Exceptions.UpdateFailedException(ex));
// }
// return retResult;
//}
//public Result<PhraseBeliefDto> Insert(PhraseBeliefDto dto)
//{
// Result<PhraseBeliefDto> retResult = Result<PhraseBeliefDto>.Undefined(null);
// try
// {
// using (var ctx = LearnLanguagesContextManager.Instance.GetManager())
// {
// var results = from phraseBeliefData in ctx.ObjectContext.PhraseBeliefDatas
// where phraseBeliefData.Id == dto.Id
// select phraseBeliefData;
// //SHOULD FIND ZERO LANGUAGEDTOS (NO DUPLICATE IDS, NO DUPLICATE DTOS)
// if (results.Count() == 0)
// {
// var data = EfHelper.ToData(dto);
// ctx.ObjectContext.PhraseBeliefDatas.AddObject(data);
// ctx.ObjectContext.SaveChanges();
// dto.Id = data.Id;
// retResult = Result<PhraseBeliefDto>.Success(dto);
// }
// else
// {
// if (results.Count() == 1) //ID ALREADY EXISTS
// retResult = Result<PhraseBeliefDto>.FailureWithInfo(dto,
// new Exceptions.InsertFailedException(DalResources.ErrorMsgIdNotFound));
// else //MULTIPLE IDS ALREADY EXIST?? SHOULD NOT BE POSSIBLE
// retResult = Result<PhraseBeliefDto>.FailureWithInfo(null, new Exceptions.InsertFailedException());
// }
// }
// }
// catch (Exception ex)
// {
// retResult = Result<PhraseBeliefDto>.FailureWithInfo(null, new Exceptions.InsertFailedException(ex));
// }
// return retResult;
//}
//public Result<PhraseBeliefDto> Delete(Guid id)
//{
// Result<PhraseBeliefDto> retResult = Result<PhraseBeliefDto>.Undefined(null);
// try
// {
// using (var ctx = LearnLanguagesContextManager.Instance.GetManager())
// {
// var results = from phraseBeliefData in ctx.ObjectContext.PhraseBeliefDatas
// where phraseBeliefData.Id == id
// select phraseBeliefData;
// if (results.Count() == 1)
// {
// var phraseBeliefDataToRemove = results.First();
// ctx.ObjectContext.PhraseBeliefDatas.DeleteObject((phraseBeliefDataToRemove));
// ctx.ObjectContext.SaveChanges();
// retResult = Result<PhraseBeliefDto>.Success(EfHelper.ToDto(phraseBeliefDataToRemove));
// }
// else
// {
// if (results.Count() == 0)
// retResult = Result<PhraseBeliefDto>.FailureWithInfo(null,
// new Exceptions.DeleteFailedException(DalResources.ErrorMsgIdNotFound));
// else
// retResult = Result<PhraseBeliefDto>.FailureWithInfo(null, new Exceptions.DeleteFailedException());
// }
// }
// }
// catch (Exception ex)
// {
// retResult = Result<PhraseBeliefDto>.FailureWithInfo(null, new Exceptions.DeleteFailedException(ex));
// }
// return retResult;
//}
//public Result<ICollection<PhraseBeliefDto>> GetAll()
//{
// var retAllPhraseBeliefDtos = new List<PhraseBeliefDto>();
// using (var ctx = LearnLanguagesContextManager.Instance.GetManager())
// {
// var allPhraseBeliefDatas = from phraseBeliefData in ctx.ObjectContext.PhraseBeliefDatas
// select phraseBeliefData;
// foreach (var phraseBeliefData in allPhraseBeliefDatas)
// {
// var phraseBeliefDto = EfHelper.ToDto(phraseBeliefData);
// retAllPhraseBeliefDtos.Add(phraseBeliefDto);
// }
// //var allDtos = new List<PhraseBeliefDto>(ctx.ObjectContext.PhraseBeliefDatas);
// return retAllPhraseBeliefDtos;
// }
//}
protected override PhraseBeliefDto NewImpl(object criteria)
{
var identity = (CustomIdentity)Csla.ApplicationContext.User.Identity;
string currentUsername = identity.Name;
Guid currentUserId = Guid.Empty;
using (var ctx = LearnLanguagesContextManager.Instance.GetManager())
{
currentUserId = (from user in ctx.ObjectContext.UserDatas
where user.Username == currentUsername
select user.Id).First();
}
//if ((criteria != null) && !(criteria is UserDto))
// throw new Exceptions.BadCriteriaException(DalResources.ErrorMsgBadCriteriaExceptionDetail_ExpectedTypeIsUserDto);
PhraseBeliefDto newPhraseBeliefDto = new PhraseBeliefDto()
{
Id = Guid.NewGuid(),
Text = DalResources.DefaultNewPhraseBeliefText,
BelieverId = Guid.Empty,
ReviewMethodId = Guid.Empty,
Strength = double.Parse(DalResources.DefaultNewPhraseBeliefStrength),
PhraseId = Guid.Empty,
TimeStamp = DateTime.Now,
UserId = currentUserId,
Username = currentUsername
};
return newPhraseBeliefDto;
}
protected override PhraseBeliefDto InsertImpl(PhraseBeliefDto dto)
{
using (var ctx = LearnLanguagesContextManager.Instance.GetManager())
{
PhraseBeliefData newPhraseBeliefData = EfHelper.AddToContext(dto, ctx.ObjectContext);
ctx.ObjectContext.SaveChanges();
dto.Id = newPhraseBeliefData.Id;
return dto;
}
}
private void UpdateReferences(PhraseBeliefDto oldPhraseBelief, PhraseBeliefDto newPhraseBelief)
{
////UPDATE USERS WHO REFERENCE THIS LINE
var referencedUsers = from u in SeedData.Ton.Users
where u.PhraseBeliefIds.Contains(oldPhraseBelief.Id)
select u;
foreach (var user in referencedUsers)
{
user.PhraseBeliefIds.Remove(oldPhraseBelief.Id);
user.PhraseBeliefIds.Add(newPhraseBelief.Id);
}
////UPDATE TRANSLATIONS WHO REFERENCE THIS PHRASE
//var referencedTranslations = from t in SeedData.Ton.Translations
// where t.PhraseBeliefIds.Contains(oldPhraseBelief.Id)
// select t;
//foreach (var translation in referencedTranslations)
//{
// translation.PhraseBeliefIds.Remove(oldPhraseBelief.Id);
// translation.PhraseBeliefIds.Add(newPhraseBelief.Id);
//}
}
private void CheckContraints(PhraseBeliefDto dto)
{
//REFERENTIAL INTEGRITY
if (dto.PhraseId == Guid.Empty || !SeedData.Ton.ContainsPhraseId(dto.PhraseId))
throw new Exceptions.IdNotFoundException(dto.PhraseId);
if (dto.UserId == Guid.Empty || !SeedData.Ton.ContainsUserId(dto.UserId))
throw new Exceptions.IdNotFoundException(dto.UserId);
if (string.IsNullOrEmpty(dto.Username) ||
!(SeedData.Ton.GetUsername(dto.UserId) == dto.Username))
throw new ArgumentException("dto.Username");
}
protected override PhraseBeliefDto UpdateImpl(PhraseBeliefDto dto)
{
var results = from item in SeedData.Ton.PhraseBeliefs
where item.Id == dto.Id
select item;
if (results.Count() == 1)
{
CheckContraints(dto);
var phraseBeliefToUpdate = results.First();
SeedData.Ton.PhraseBeliefs.Remove(phraseBeliefToUpdate);
dto.Id = Guid.NewGuid();
SeedData.Ton.PhraseBeliefs.Add(dto);
UpdateReferences(phraseBeliefToUpdate, dto);
return dto;
}
else
{
if (results.Count() == 0)
throw new Exceptions.IdNotFoundException(dto.Id);
else
throw new Exceptions.VeryBadException();
}
}
//protected override ICollection<PhraseBeliefDto> FetchImpl(ICollection<Guid> ids)
//{
// var phraseBeliefDtos = new List<PhraseBeliefDto>();
// foreach (var id in ids)
// {
// phraseBeliefDtos.Add(FetchImpl(id));
// }
// return phraseBeliefDtos;
//}
protected override PhraseBeliefDto UpdateImpl(PhraseBeliefDto dto)
{
var currentUserId = ((CustomIdentity)(Csla.ApplicationContext.User.Identity)).UserId;
using (var ctx = LearnLanguagesContextManager.Instance.GetManager())
{
var results = from phraseBeliefData in ctx.ObjectContext.PhraseBeliefDatas
where phraseBeliefData.Id == dto.Id &&
phraseBeliefData.UserDataId == currentUserId
select phraseBeliefData;
if (results.Count() == 1)
{
var phraseBeliefData = results.First();
EfHelper.LoadDataFromDto(ref phraseBeliefData, dto, ctx.ObjectContext);
ctx.ObjectContext.SaveChanges();
var updatedDto = EfHelper.ToDto(phraseBeliefData);
return updatedDto;
}
else
{
if (results.Count() == 0)
throw new Exceptions.IdNotFoundException(dto.Id);
else
{
//results.count is not one or zero. either it's negative, which would be framework absurd, or its more than one,
//which means that we have multiple phraseBeliefs with the same id. this is very bad.
var errorMsg = string.Format(DalResources.ErrorMsgVeryBadException,
DalResources.ErrorMsgVeryBadExceptionDetail_ResultCountNotOneOrZero);
throw new Exceptions.VeryBadException(errorMsg);
}
}
}
}
/// <summary>
/// Adds the PhraseBeliefDto to the context, loading UserData and PhraseDatas into the newly
/// created PhraseBeliefData. Does NOT save changes to the context.
/// </summary>
public static PhraseBeliefData AddToContext(PhraseBeliefDto dto, LearnLanguagesContext context)
{
//CREATE THE NEW OBJECT
var data = context.PhraseBeliefDatas.CreateObject();
//ASSIGN PROPERTIES
data.PhraseDataId = dto.PhraseId;
data.ReviewMethodId = dto.ReviewMethodId;
data.Strength = dto.Strength;
data.BelieverId = dto.BelieverId;
data.Text = dto.Text;
data.TimeStamp = dto.TimeStamp;
data.UserDataId = dto.UserId;
//ADD OBJECT TO CONTEXT
context.PhraseBeliefDatas.AddObject(data);
//RETURN OBJECT
return data;
}
public static void LoadDataFromDto(ref PhraseBeliefData data,
PhraseBeliefDto dto,
LearnLanguagesContext context)
{
//USER INFO
data.UserDataId = dto.UserId;
data.UserData = EfHelper.GetUserData(dto.UserId, context);
//PHRASE
data.PhraseDataId = dto.PhraseId;
data.PhraseData = EfHelper.GetPhraseData(dto.PhraseId, context);
//SCALAR
data.ReviewMethodId = dto.ReviewMethodId;
data.Strength = dto.Strength;
data.Text = dto.Text;
data.TimeStamp = dto.TimeStamp;
}
protected override PhraseBeliefDto NewImpl(object criteria)
{
//to get to this point, we must have already been authenticated
Debug.Assert(Csla.ApplicationContext.User.Identity.IsAuthenticated);
if (criteria != null)
throw new ArgumentException("criteria expected to be null");
var username = Csla.ApplicationContext.User.Identity.Name;
var userId = (from u in SeedData.Ton.Users
where u.Username == username
select u.Id).FirstOrDefault();
if (userId == Guid.Empty)
throw new Exceptions.UserNotAuthorizedException();
var dto = new PhraseBeliefDto()
{
Id = Guid.NewGuid(),
Text = "",
Strength = 1.0d,
PhraseId = Guid.Empty,
UserId = userId,
Username = username
};
return dto;
}
public static PhraseBeliefDto ToDto(PhraseBeliefData data)
{
var dto = new PhraseBeliefDto()
{
Id = data.Id,
BelieverId = data.BelieverId,
PhraseId = data.PhraseDataId,
ReviewMethodId = data.ReviewMethodId,
Strength = data.Strength,
Text = data.Text,
TimeStamp = data.TimeStamp,
UserId = data.UserDataId,
Username = data.UserData.Username,
};
return dto;
}
