public async Task <ApiResult <MailingGroupDto> > Handle(Command request, CancellationToken cancellationToken)
{
IdentityUser user = await _context.Users.FirstOrDefaultAsync(x => x.Id == request.UserId, cancellationToken);
if (user is null)
{
return(ApiResult <MailingGroupDto> .Failed("User not found", 404));
}
string newName = request.Name.Trim();
if (string.IsNullOrEmpty(newName))
{
return(ApiResult <MailingGroupDto> .Failed("Name is required", 400));
}
var updatedGroup = await _context.MailingGroups
.Where(x => x.UserId == request.UserId)
.Where(x => x.Id == request.Id)
.FirstOrDefaultAsync(cancellationToken);
if (updatedGroup is null)
{
return(ApiResult <MailingGroupDto> .Failed("This mailing group is not exist", 404));
}
bool nameIsTaken = await _context.MailingGroups
.Where(x => x.UserId == request.UserId)
.Where(x => x.Id != request.Id)
.Where(x => x.Name == newName).AnyAsync(cancellationToken);
if (nameIsTaken)
{
return(ApiResult <MailingGroupDto> .Failed("This mailing group name is already exists", 401));
}
updatedGroup.Name = newName;
_context.Update(updatedGroup);
await _context.SaveChangesAsync(cancellationToken);
return(ApiResult <MailingGroupDto> .Success(request));
}
public async Task <ApiResult <EmailDto> > Handle(Command request, CancellationToken cancellationToken)
{
Model.Entity.MailingGroup mailingGroup = await _context.MailingGroups
.Include(x => x.Emails)
.Where(x => x.UserId == request.UserId)
.Where(x => x.Id == request.GroupId)
.FirstOrDefaultAsync(cancellationToken);
if (mailingGroup is null)
{
return(ApiResult <EmailDto> .Failed("Mailing group is not exists", 404));
}
string newEmail = request.Email.Trim();
bool isValidEmail = EmailValidator.ValidateEmail(newEmail);
if (!isValidEmail)
{
return(ApiResult <EmailDto> .Failed("Email is wrong format", 400));
}
Email updatedEmail = mailingGroup.Emails.FirstOrDefault(x => x.Id == request.EmailId);
if (updatedEmail is null)
{
return(ApiResult <EmailDto> .Failed("Email is not exists", 404));
}
if (mailingGroup.Emails.Where(x => x.Id != request.EmailId).Any(x => x.Name == request.Email))
{
return(ApiResult <EmailDto> .Failed("New email is already exists in this group", 409));
}
updatedEmail.Name = newEmail;
_context.Update(updatedEmail);
await _context.SaveChangesAsync(cancellationToken);
return(ApiResult <EmailDto> .Success(new EmailDto(updatedEmail)));
}