public DbDialog GetOrCreate(DbDialog dialog)
{
using var context = contextFactory.Create();
var existingDialog = context.Dialogs.SingleOrDefault(x => x.UserId == dialog.UserId &&
x.ServiceId == dialog.ServiceId);
if (existingDialog == null)
{
dialog.Id = Guid.NewGuid().ToString();
context.Dialogs.Add(dialog);
context.SaveChanges();
}
return(dialog);
}
public IActionResult GetOrCreateDialog([FromQuery(Name = "user-id")] string?userId,
[FromQuery(Name = "service-id")] string?serviceId)
{
if (string.IsNullOrEmpty(serviceId))
{
return(BadRequest($"{nameof(DbDialog.ServiceId)} is required"));
}
if (string.IsNullOrEmpty(userId))
{
return(BadRequest($"{nameof(DbDialog.UserId)} is required"));
}
var user = HttpContext.TryGetUser();
if (user == null)
{
throw new InvalidStateException("User should be not null");
}
var dialog = new DbDialog
{
ServiceId = serviceId,
UserId = userId
};
if (!AuthorizeUserToDialog(dialog, user))
{
return(BadRequest("You are not authorized to dialog"));
}
var dbDialog = dialogsRepository.GetOrCreate(new DbDialog
{
ServiceId = serviceId,
UserId = userId
});
return(Ok(dbDialog));
}
private bool AuthorizeUserToSelf(DbDialog dialog, DbUser user)
{
return(user.Id == dialog.UserId);
}
private bool AuthorizeUserToService(DbDialog dialog, DbUser user)
{
return(user.ServiceIds?.Contains(dialog.ServiceId) == true);
}
private bool AuthorizeUserToDialog(DbDialog dialog, DbUser user)
{
return(AuthorizeUserToSelf(dialog, user) || AuthorizeUserToService(dialog, user));
}
