public async Task <bool> FollowOffer(string offerId)
{
var currentUser = await profileService.GetCurrentUser();
if (currentUser == null)
{
return(false);
}
var offer = await database.OfferRepository.Get(offerId);
if (offer == null)
{
return(false);
}
var offerFollow = offer.OfferFollows.FirstOrDefault(of => of.UserId == currentUser.Id);
if (offerFollow != null)
{
database.OfferFollowRepository.Delete(offerFollow);
}
else
{
offerFollow = OfferFollow.Create(offer.Id, currentUser.Id);
database.OfferFollowRepository.Add(offerFollow);
}
return(await database.Complete());
}
