private async Task <ReadTicketModel> LoadTicketByAggregateRootIdAsync(string aggregateRootId, CancellationToken cancellationToken)
{
var entity = await _databaseContext.ReadTickets.FindAsync(new[] { aggregateRootId }, cancellationToken);
if (entity == null)
{
return(null);
}
return(ReadTicketModel.CreateModel(entity.AggregateRootId, entity.UserId, entity.UserName, entity.Title, entity.TicketState, entity.TicketPriority, entity.TicketType, entity.Version));
}
public async Task <Unit> Handle(UpdateReadTicketCommand request, CancellationToken cancellationToken)
{
var result = await _repository.SaveOrUpdateTicketAsync(
ReadTicketModel.CreateModel(
request.AggregateRootId,
request.UserId,
request.UserName,
request.Title,
request.TicketState,
request.TicketPriority,
request.TicketType,
request.Version),
cancellationToken);
if (string.IsNullOrEmpty(result))
{
//we could not save or update the model - gracefully handle this.
}
return(Unit.Value);
}
public async Task <string> SaveOrUpdateTicketAsync(ReadTicketModel readTicket, CancellationToken cancellationToken)
{
var existingRecord = await LoadTicketByAggregateRootIdAsync(readTicket.AggregateRootId, cancellationToken);
if (existingRecord != null)
{
existingRecord.ChangeTicketModel(readTicket);
await _databaseContext.SaveChangesAsync(cancellationToken);
return(existingRecord.AggregateRootId);
}
try
{
var record = new ReadTicket
{
Title = readTicket.Title,
TicketPriority = readTicket.TicketPriority,
TicketState = readTicket.TicketState,
TicketType = readTicket.TicketType,
UserName = readTicket.UserName,
UserId = readTicket.UserId.Id.ToString(),
AggregateRootId = readTicket.AggregateRootId,
Version = readTicket.Version + 1
};
await _databaseContext.ReadTickets.AddAsync(record, cancellationToken);
await _databaseContext.SaveChangesAsync(cancellationToken);
return(record.AggregateRootId);
}
catch
{
//TODO - Add errorhandling
return(null);
}
}
public async Task <IEnumerable <ReadTicketModel> > LoadAllTicketsForUser(string userName, CancellationToken cancellationToken)
{
return((await _databaseContext.ReadTickets.Where(t => t.UserName == userName).ToListAsync(cancellationToken))
.Select(t => ReadTicketModel.CreateModel(t.AggregateRootId, t.UserId, t.UserName, t.Title, t.TicketState, t.TicketPriority, t.TicketType, t.Version)));
}
