public async Task <bool> Handle(
Command request,
CancellationToken cancellationToken
)
{
Guid id = request.UserInterestId;
UserInterest existingUserInterest = _interestsDbContext.UserInterests.Find(id);
if (existingUserInterest != null)
{
Guid interestId = existingUserInterest.IdInterest;
_interestsDbContext.UserInterests.Remove(existingUserInterest);
Interest existingInterest = _interestsDbContext.Interests.Find(interestId);
if (existingInterest != null)
{
existingInterest.PeopleCount = existingInterest.PeopleCount - 1;
_interestsDbContext.Interests.Update(existingInterest);
return(await _interestsDbContext.SaveChangesAsync() > 0);
}
else
{
throw new AppException($"The interest {interestId} already as not been found");
}
}
else
{
throw new AppException($"The user interest {id} already as not been found");
}
}
public async Task <bool> Handle(
Command request,
CancellationToken cancellationToken
)
{
Guid id = request.Id;
int visibility = request.Visibility;
Guid userId = request.UserId;
Interest existingInterest = _interestsDbContext.Interests.Find(id);
if (existingInterest != null)
{
UserInterest existingUserInterest = await _interestsDbContext.UserInterests.AsNoTracking().SingleOrDefaultAsync(u => u.IdInterest == id && u.IdUser == userId);
if (existingUserInterest != null)
{
throw new AppException($"The user interest {id} has already been added");
}
else
{
UserInterest userInterest = new UserInterest
{
IdInterest = id,
Visibility = visibility,
IdUser = userId
};
_interestsDbContext.UserInterests.Add(userInterest);
existingInterest.PeopleCount = existingInterest.PeopleCount + 1;
_interestsDbContext.Interests.Update(existingInterest);
return(await _interestsDbContext.SaveChangesAsync() > 0);
}
}
else
{
throw new AppException($"The interest {id} already as not been found");
}
}
public async Task <bool> Handle(
Command request,
CancellationToken cancellationToken
)
{
string name = request.Name;
int visibility = request.Visibility;
Guid userId = request.UserId;
Interest existingInterest = await _interestsDbContext.Interests.AsNoTracking().SingleOrDefaultAsync(i => i.Name == name);
if (existingInterest != null)
{
throw new AppException($"The interest {name} has already been added");
}
else
{
Guid interestId = Guid.NewGuid();
Interest Interest = new Interest
{
Id = interestId,
Name = name,
PeopleCount = 1,
Visibility = visibility
};
_interestsDbContext.Interests.Add(Interest);
UserInterest userInterest = new UserInterest
{
IdInterest = interestId,
Visibility = visibility,
IdUser = userId
};
_interestsDbContext.UserInterests.Add(userInterest);
return(await _interestsDbContext.SaveChangesAsync() > 0);
}
}