inabox/InABox.Poster.Timberline/TimberlinePostResult.cs

using InABox.Core;
using NPOI.SS.Formula.Functions;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace InABox.Poster.Timberline
{
    public class TimberlinePostResult<TExport, TPostable> : IPostResult<TPostable>
        where TPostable : IPostable
        where TExport : class
    {
        private List<Tuple<TPostable, TExport?>> items = new List<Tuple<TPostable, TExport?>>();

        private Dictionary<Type, List<IPostableFragment<TPostable>>> fragments = new Dictionary<Type, List<IPostableFragment<TPostable>>>();

        public IEnumerable<TExport> Exports => items
            .Where(x => x.Item1.PostedStatus == PostedStatus.Posted)
            .NotNull(x => x.Item2);

        public IEnumerable<TPostable> PostedEntities => items.Select(x => x.Item1);

        public IEnumerable<Tuple<TPostable, TExport?>> Items => items;

        public IEnumerable<KeyValuePair<Type, IEnumerable<IPostableFragment<TPostable>>>> Fragments =>
            fragments.Select(x => new KeyValuePair<Type, IEnumerable<IPostableFragment<TPostable>>>(x.Key, x.Value));

        public void AddSuccess(TPostable post, TExport? export)
        {
            post.Post();
            items.Add(new Tuple<TPostable, TExport?>(post, export));
        }

        public void AddFailed(TPostable post, string note)
        {
            post.FailPost(note);
            items.Add(new Tuple<TPostable, TExport?>(post, null));
        }

        public void AddFragment(IPostableFragment<TPostable> fragment)
        {
            if (!fragments.TryGetValue(fragment.GetType(), out var fragmentList))
            {
                fragmentList = new List<IPostableFragment<TPostable>>();
                fragments[fragment.GetType()] = fragmentList;
            }
            fragmentList.Add(fragment);
        }
    }
}