public async Task <bool> RemoveBinding(IEntity <ulong> binding)
{
using (var db = new AnimeFeedContext(dbOptions))
{
var entities = db.AnimeFeedBindings.Where(b => b.ChannelId == binding.Id);
if (!entities.Any())
{
return(false);
}
db.AnimeFeedBindings.RemoveRange(entities);
await db.SaveChangesAsync();
return(true);
}
}
public async Task <bool> AddBinding(IMessageChannel channel)
{
using (var db = new AnimeFeedContext(dbOptions))
{
if (db.AnimeFeedBindings.Any(b => b.ChannelId == channel.Id))
{
return(false);
}
db.AnimeFeedBindings.Add(new AnimeFeedBinding
{
ChannelId = channel.Id,
});
await db.SaveChangesAsync();
return(true);
}
}
private IEnumerable <IMessageChannel> GetFromDb()
{
using (var db = new AnimeFeedContext(dbOptions))
return(db.AnimeFeedBindings.Select(binding => client.GetChannel(binding.ChannelId)).OfType <IMessageChannel>().ToList());
}
