public async Task <string> Handle(CreateEmptyListRequest request, CancellationToken cancellationToken)
{
// check for existing contributions
// if this is equal to limit already, throw 403
var contributionsForUser = _context.ListContributors.Where(lc => lc.UserIdent == request.UserIdent);
var listsLimit = _configuration.GetValue <int>("Limits:Lists");
if (contributionsForUser.Count() >= listsLimit)
{
throw new RequestFailedException($"List limit reached ({listsLimit})", System.Net.HttpStatusCode.Forbidden);
}
var list = new List
{
Id = _randomisedWordProvider.CreateRandomId(),
Name = _randomisedWordProvider.CreateRandomName(),
Created = _nowProvider.Now,
Updated = _nowProvider.Now,
};
var contribution = new ListContributor
{
ListId = list.Id,
UserIdent = request.UserIdent
};
await _context.Lists.AddAsync(list, cancellationToken);
await _context.ListContributors.AddAsync(contribution, cancellationToken);
await _context.SaveChangesAsync();
return(list.Id);
}
public async Task <Unit> Handle(UpdateListRequest request, CancellationToken cancellationToken)
{
var itemLimit = _configuration.GetValue <int>("Limits:ListItems");
if (request.DTO.Items.Count >= itemLimit)
{
throw new RequestFailedException($"List Item limit reached ({itemLimit})", System.Net.HttpStatusCode.Forbidden);
}
var existing = await _context.Lists
.Include(l => l.Items)
.FirstOrDefaultAsync(l => l.Id == request.DTO.Id);
if (existing != null)
{
existing.Name = request.DTO.Name?.Trim();
existing.Updated = _nowProvider.Now;
// remove the old items as we're going to overwrite them
foreach (var removedItem in existing.Items)
{
_context.ListItems.Remove(removedItem);
}
existing.Items = request.DTO.Items?.Select((i, index) => new ListItem
{
Id = i.Id.Trim(),
Order = index,
Value = i.Value?.Trim(),
Created = _nowProvider.Now,
Notes = i.Notes?.Trim(),
Completed = i.Completed,
ParentList = existing
}).ToList();
// find all existing contributions
// if there is none for this list and user add a new one
if (!await _context.ListContributors.AnyAsync(lc =>
lc.ListId == existing.Id && lc.UserIdent == request.UserIdent))
{
var newContributor = new ListContributor
{
ListId = existing.Id,
UserIdent = request.UserIdent
};
await _context.ListContributors.AddAsync(newContributor);
}
await _context.SaveChangesAsync(cancellationToken);
}
return(Unit.Value);
}