public async Task <CommandResponse <Note> > Handle(Command cmd, CancellationToken cancellationToken)
{
var user = await _accounts.GetUser(cmd.UserId);
if (user == null)
{
return(CommandResponse <Note> .Failed(
"Unable to find user account for notes operation"));
}
if (user.State.Verified == null)
{
return(CommandResponse <Note> .Failed(
"Please verify your email first before you can start creating notes"));
}
var note = new Note(
cmd.UserId,
cmd.Note,
cmd.Ticker,
cmd.Created ?? DateTimeOffset.UtcNow);
await _storage.Save(note, cmd.UserId);
return(CommandResponse <Note> .Success(note));
}
public async Task <CommandResponse <User> > Handle(Command cmd, CancellationToken cancellationToken)
{
var r = await _storage.GetUserAssociation(cmd.Id.Value);
if (r == null)
{
return(CommandResponse <User> .Failed(
"Invalid password reset token. Check the link in the email or request a new password reset"));
}
if (r.IsOlderThan(15))
{
return(CommandResponse <User> .Failed(
"Password reset link has expired. Please request a new password reset"));
}
var u = await _storage.GetUser(r.UserId);
if (u == null)
{
return(CommandResponse <User> .Failed(
"User account is no longer valid"));
}
var hash = _hash.Generate(cmd.Password, 32);
u.SetPassword(hash.Hash, hash.Salt);
await _storage.Save(u);
return(CommandResponse <User> .Success(u));
}
public async Task <CommandResponse <User> > Handle(Command cmd, CancellationToken cancellationToken)
{
var r = await _storage.GetUserAssociation(cmd.Id);
if (r == null)
{
return(CommandResponse <User> .Failed(
"Invalid confirmation identifier."));
}
if (r.IsOlderThan(60 * 24 * 30)) // 30 day expiration?
{
return(CommandResponse <User> .Failed(
"Account confirmation link is expired. Please request a new one."));
}
var u = await _storage.GetUser(r.UserId);
if (u == null)
{
return(CommandResponse <User> .Failed(
"User account is no longer valid"));
}
u.Confirm();
await _storage.Save(u);
return(CommandResponse <User> .Success(u));
}
public async Task <CommandResponse <User> > Handle(Command request, CancellationToken cancellationToken)
{
var user = await _storage.GetUserByEmail(request.Email);
if (user == null)
{
return(CommandResponse <User> .Failed(GENERIC_MSG));
}
// oauth path where password was not set....
if (!user.State.IsPasswordAvailable)
{
return(CommandResponse <User> .Failed(GENERIC_MSG));
}
var computed = _hash.Generate(request.Password, user.State.GetSalt());
var matches = user.PasswordHashMatches(computed);
if (matches)
{
user.LoggedIn(request.IPAddress, DateTimeOffset.UtcNow);
await _storage.Save(user);
return(CommandResponse <User> .Success(user));
}
return(CommandResponse <User> .Failed(GENERIC_MSG));
}
private CommandResponse ExecuteCreateComment(CreateCommentCommand command)
{
var comment = new Comment
{
Id = Guid.NewGuid(),
Timestamp = DateTime.Now,
Author = command.IssuedBy,
Text = command.Text
};
foreach (var q in Questions)
{
if (q.Id == command.QuestionOrAnswerId)
{
q.Comments.Add(comment);
return(CommandResponse.Success(comment));
}
foreach (var a in q.Answers)
{
if (a.Id == command.QuestionOrAnswerId)
{
a.Comments.Add(comment);
return(CommandResponse.Success(comment));
}
}
}
return(CommandResponse.Failure($"Question or answer with id {command.QuestionOrAnswerId} does not exist."));
}
private CommandResponse ExecuteDeleteQuestion(DeleteQuestionCommand command)
{
var existingQuestion = Questions.FirstOrDefault(q => q.Id == command.QuestionId);
if (existingQuestion == null)
{
return(CommandResponse.Failure($"Question {command.QuestionId} doesn't exist."));
}
Questions.Remove(existingQuestion);
return(CommandResponse.Success());
}
public async Task <CommandResponse <User> > Handle(Command cmd, CancellationToken cancellationToken)
{
var exists = await _storage.GetUserByEmail(cmd.Email);
if (exists != null)
{
return(CommandResponse <User> .Failed($"Account with {cmd.Email} already exists"));
}
return(CommandResponse <User> .Success(null));
}
private CommandResponse ExecuteEditComment(EditCommentCommand command)
{
var existingComment = Questions.SelectMany(q => q.Comments).Concat(Questions.SelectMany(q => q.Answers.SelectMany(a => a.Comments)))
.SingleOrDefault(c => c.Id == command.CommentId);
if (existingComment == null)
{
return(CommandResponse.Failure($"Comment with id {command.CommentId} does not exist."));
}
existingComment.Text = command.Text;
return(CommandResponse.Success(existingComment));
}
private CommandResponse ExecuteAcceptAnswerCommand(AcceptAnswerCommand command)
{
foreach (var q in Questions)
{
var answer = q.Answers.SingleOrDefault(a => a.Id == command.AnswerId);
if (answer != null)
{
q.AcceptedAnswerId = answer.Id;
return(CommandResponse.Success(answer));
}
}
return(CommandResponse.Failure($"Answer {command.AnswerId} doesn't exist."));
}
public async Task <CommandResponse <OwnedOption> > Handle(Command cmd, CancellationToken cancellationToken)
{
var option = await _storage.GetOwnedOption(cmd.Id, cmd.UserId);
if (option == null)
{
return(CommandResponse <OwnedOption> .Failed("Trying to delete not owned option"));
}
option.Delete();
await this._storage.Save(option, cmd.UserId);
return(CommandResponse <OwnedOption> .Success(option));
}
public async Task <CommandResponse <OwnedOption> > Handle(Command cmd, CancellationToken cancellationToken)
{
var option = await _storage.GetOwnedOption(cmd.Id.Value, cmd.UserId);
if (option == null)
{
return(CommandResponse <OwnedOption> .Failed("Trying to expire not owned option"));
}
option.Expire(cmd.Assigned.Value);
await _storage.Save(option, cmd.UserId);
return(CommandResponse <OwnedOption> .Success(option));
}
public async Task <CommandResponse <OwnedStock> > Handle(Command cmd, CancellationToken cancellationToken)
{
var stock = await _storage.GetStock(cmd.Id, cmd.UserId);
if (stock == null)
{
return(CommandResponse <OwnedStock> .Failed("Trying to delete not owned stock"));
}
stock.Delete();
await _storage.Save(stock, cmd.UserId);
return(CommandResponse <OwnedStock> .Success(stock));
}
private CommandResponse ExecuteVoteQuestionCommand(VoteQuestionCommand command)
{
var existingQuestion = Questions.FirstOrDefault(q => q.Id == command.QuestionId);
if (existingQuestion == null)
{
return(CommandResponse.Failure($"Question {command.QuestionId} doesn't exist."));
}
existingQuestion.Votes.Add(new Vote
{
Author = command.IssuedBy,
Id = Guid.NewGuid(),
Timestamp = DateTime.Now,
Direction = command.VoteDirection
});
return(CommandResponse.Success(existingQuestion));
}
private CommandResponse ExecuteCreateQuestion(CreateQuestionCommand command)
{
var question = new Question
{
Id = Guid.NewGuid(),
Author = command.IssuedBy,
Tags = command.Tags?.ToList() ?? new List <Tag>(),
Text = command.Text,
Title = command.Title,
Votes = new List <Vote>(),
Timestamp = DateTime.Now,
Comments = new List <Comment>(),
Answers = new List <Answer>()
};
Questions.Add(question);
return(CommandResponse.Success(question));
}
private CommandResponse ExecuteEditAnswer(EditAnswerCommand command)
{
var existingAnswer = Questions.SelectMany(q => q.Answers).SingleOrDefault(a => a.Id == command.AnswerId);
if (existingAnswer == null)
{
return(CommandResponse.Failure($"Answer {command.AnswerId} doesn't exist."));
}
existingAnswer.History.Add(new PostHistoryItem
{
Author = existingAnswer.Author,
Text = existingAnswer.Text
});
existingAnswer.Text = command.Text;
return(CommandResponse.Success(existingAnswer));
}
private CommandResponse ExecuteEditQuestion(EditQuestionCommand command)
{
var existingQuestion = Questions.FirstOrDefault(q => q.Id == command.QuestionId);
if (existingQuestion == null)
{
return(CommandResponse.Failure($"Question {command.QuestionId} doesn't exist."));
}
existingQuestion.History.Add(new PostHistoryItem
{
Author = existingQuestion.Author,
Text = existingQuestion.Text
});
existingQuestion.Title = command.Title;
existingQuestion.Text = command.Text;
return(CommandResponse.Success(existingQuestion));
}
private CommandResponse ExecuteVoteAnswer(VoteAnswerCommand command)
{
var existingAnswer = Questions.SelectMany(q => q.Answers).SingleOrDefault(a => a.Id == command.AnswerId);
if (existingAnswer == null)
{
return(CommandResponse.Failure($"Answer {command.AnswerId} doesn't exist."));
}
existingAnswer.Votes.Add(new Vote
{
Author = command.IssuedBy,
Id = Guid.NewGuid(),
Timestamp = DateTime.Now,
Direction = command.VoteDirection
});
return(CommandResponse.Success(existingAnswer));
}
private CommandResponse ExecuteCreateAnswer(CreateAnswerCommand command)
{
var existingQuestion = Questions.FirstOrDefault(q => q.Id == command.QuestionId);
if (existingQuestion == null)
{
return(CommandResponse.Failure($"Question {command.QuestionId} doesn't exist."));
}
var answer = new Answer
{
Author = command.IssuedBy,
Id = Guid.NewGuid(),
Timestamp = DateTime.Now,
Text = command.Text
};
existingQuestion.Answers.Add(answer);
return(CommandResponse.Success(answer));
}
public override async Task <CommandResponse <OwnedOption> > Handle(Command cmd, CancellationToken cancellationToken)
{
var user = await _accounts.GetUser(cmd.UserId);
if (user == null)
{
return(CommandResponse <OwnedOption> .Failed(
"Unable to find user account for options operation"));
}
if (user.State.Verified == null)
{
return(CommandResponse <OwnedOption> .Failed(
"Please verify your email first before you can record option transaction"));
}
var options = await _storage.GetOwnedOptions(cmd.UserId);
var type = (OptionType)Enum.Parse(typeof(OptionType), cmd.OptionType);
var option = options.SingleOrDefault(o => o.IsMatch(cmd.Ticker, cmd.StrikePrice, type, cmd.ExpirationDate.Value));
if (option == null)
{
option = new OwnedOption(
cmd.Ticker,
cmd.StrikePrice,
type,
cmd.ExpirationDate.Value,
cmd.UserId
);
}
option.Sell(cmd.NumberOfContracts, cmd.Premium, cmd.Filled.Value, cmd.Notes);
await _storage.Save(option, cmd.UserId);
return(CommandResponse <OwnedOption> .Success(option));
}
public async Task <CommandResponse <User> > Handle(Command cmd, CancellationToken cancellationToken)
{
var exists = await _storage.GetUserByEmail(cmd.UserInfo.Email);
if (exists != null)
{
return(CommandResponse <User> .Failed($"Account with {cmd.UserInfo} already exists"));
}
var u = new User(cmd.UserInfo.Email, cmd.UserInfo.Firstname, cmd.UserInfo.Lastname);
var(hash, salt) = _hash.Generate(cmd.UserInfo.Password, 32);
u.SetPassword(hash, salt);
if (cmd.PaymentInfo != null)
{
var result = _subscriptions.Create(
u,
planId: cmd.PaymentInfo.PlanId,
paymentToken: cmd.PaymentInfo.Token.Id,
email: cmd.PaymentInfo.Token.Email);
if (result.CustomerId != null)
{
u.SubscribeToPlan(cmd.PaymentInfo.PlanId, result.CustomerId, result.SubscriptionId);
}
else
{
return(CommandResponse <User> .Failed(
$"Failed to process the payment, please try again or use a different payment form"
));
}
}
await _storage.Save(u);
return(CommandResponse <User> .Success(u));
}
private CommandResponse ExecuteDeleteComment(DeleteCommentCommand command)
{
foreach (var q in Questions)
{
var existingComment = q.Comments.SingleOrDefault(c => c.Id == command.CommentId);
if (existingComment != null)
{
q.Comments.Remove(existingComment);
return(CommandResponse.Success());
}
foreach (var a in q.Answers)
{
existingComment = a.Comments.SingleOrDefault(c => c.Id == command.CommentId);
if (existingComment != null)
{
a.Comments.Remove(existingComment);
return(CommandResponse.Success());
}
}
}
return(CommandResponse.Failure($"Comment with id {command.CommentId} does not exist."));
}
