public async Task <Unit> Handle(Command request, CancellationToken cancellationToken)
{
var activity = await _context.Activities.FindAsync(request.Id);
if (activity == null)
{
throw new RestException(HttpStatusCode.NotFound, new { Activity = "Couldnot find activity" });
}
var user = await _context.Users.SingleOrDefaultAsync(x => x.UserName == _userAccessor.GetCurrentUsername());
var attendance = await _context.UserActivities.SingleOrDefaultAsync(x => x.ActivityId == activity.Id && x.AppUserId == user.Id);
if (attendance != null)
{
throw new RestException(HttpStatusCode.BadRequest, new {
Attendance = "Already attending this activity"
});
}
attendance = new Domain.UserActivity
{
Activity = activity,
AppUser = user,
IsHost = false,
DateJoined = DateTime.Now
};
_context.UserActivities.Add(attendance);
var success = await _context.SaveChangesAsync() > 0;
if (success)
{
return(Unit.Value);
}
throw new Exception("Problem saving changes");
}
public async Task <Unit> Handle(Command request, CancellationToken cancellationToken)
{
var activity = await _context.Activities.FindAsync(request.Id);
if (activity == null)
{
throw new RestExceptions(HttpStatusCode.BadRequest, new
{
Activity = "Activity not found"
});
}
var user = _context.Users.SingleOrDefault(r => r.UserName == _userAccessor.GetUserName());
var attandee = _context.UserActivities.SingleOrDefault(x => x.AppUserId == user.Id &&
x.ActivityId == request.Id);
if (attandee != null)
{
throw new RestExceptions(HttpStatusCode.BadRequest, new
{
ActivityDto = "User Already attending Activity"
});
}
attandee = new Domain.UserActivity
{
AppUserId = user.Id,
ActivityId = request.Id,
IsHost = false,
JoinedAt = DateTime.Now
};
_context.UserActivities.Add(attandee);
var succeded = await _context.SaveChangesAsync() > 0;
if (succeded)
{
return(Unit.Value);
}
throw new Exception("Problem saving data");
}
public async Task <Unit> Handle(Command request, CancellationToken cancellationToken)
{
//get activity and ensure not null
var activity = await _context.Activities.FindAsync(request.Id);
if (activity == null)
{
throw new Application.Errors.RestException(HttpStatusCode.NotFound, new { activity = "Activity not found." });
}
//get user - can't be null because token is required
var user = await _context.Users.SingleOrDefaultAsync(x => x.UserName == _userAccessor.GetCurrentUserName());
//see if attendance already exists
var attendance = await _context.UserActivities
.SingleOrDefaultAsync(x => x.ActivityId == activity.Id && x.AppUserId == user.Id);
if (attendance != null)
{
throw new Application.Errors.RestException(HttpStatusCode.BadRequest, new { attendance = "User already attending activity." });
}
//create attendance
attendance = new Domain.UserActivity
{
Activity = activity,
AppUser = user,
DateJoined = DateTime.Now,
IsHost = false
};
_context.UserActivities.Add(attendance);
var success = await _context.SaveChangesAsync() > 0;
if (success)
{
return(Unit.Value);
}
throw new Exception("Problem saving changes.");
}
//return Unit, not anything to do with activity
public async Task <Unit> Handle(Command request, CancellationToken cancellationToken)
{
//compose activity
var activity = new Domain.Activity
{
Id = request.Id,
Title = request.Title,
Description = request.Description,
Category = request.Category,
Date = request.Date,
City = request.City,
Venue = request.Venue
};
//add activity to DB
_context.Add(activity);
//get user from DB
var user = await _context.Users.SingleOrDefaultAsync(x => x.UserName == _userAccessor.GetCurrentUserName());
//create attendee - notice AppUserId and ActivityId are not required
var attendee = new Domain.UserActivity {
AppUser = user,
Activity = activity,
DateJoined = DateTime.Now,
IsHost = true
};
//add attendee to database
_context.UserActivities.Add(attendee);
//SaveChangesAsync returns and int, so we check to make sure that at least one change has occured
var success = await _context.SaveChangesAsync() > 0;
if (success)
{
return(Unit.Value);
}
throw new Exception("Problem saving changes.");
}
public RestException(HttpStatusCode code, object errors = null, Domain.UserActivity userActivity = null)
{
Code = code;
Errors = errors;
}
