public async Task<IHttpActionResult> EventMembers(EventMembersDTO model)
{
if (!ModelState.IsValid) return BadRequest();
var result = await _memberService.UpdateEventMembers(model);
if(result.Success)
return Ok();
return BadRequest(result.Error);
}
public async Task<ValidationResult> UpdateEventMembers(EventMembersDTO model)
{
try
{
//First load the members
var members = await _eventMemberRepo.Get(x => x.EventId == model.EventId)
.ToListAsync();
//Split the Ids string and create list of integers
List<int> ids = model.MemberIds.Split(',').Select(int.Parse).ToList();
//Create a new list of members
List<EventMember> newMembersList = ids.Select(id => new EventMember
{
EventId = model.EventId,
UserId = id
}).ToList();
foreach (var m in members)
{
_eventMemberRepo.Delete(m);
}
//First check we have at least the owner member
if (newMembersList.Count < 1) return AddError("Unable to update event members");
//Insert the rebuilt list of users
foreach (var newMem in newMembersList)
{
_eventMemberRepo.Insert(newMem);
}
await SaveChangesAsync();
Result.Success = true;
return Result;
}
catch (Exception ex)
{
return AddError(ex.Message);
}
}