KoogleV4/GameData/Repository/ExpenseRepository.cs

using GameModel;
using GameModel.Contract;
using GameModel.Settings;
using Microsoft.Extensions.Logging;
using Newtonsoft.Json.Linq;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace GameData.Repository
{
    public class ExpenseRepository : IExpenseRepository
    {
        readonly ILogger<ExpenseRepository>? _log;
        private ApiClient _apiClient;
        
        string UrlExpense => "items/expense";
        string UrlPlayerExpense => "items/playerexpense";
        List<PlayerExpense> _memberExpenses = new List<PlayerExpense>();

        private List<Expense> _expenses = null;

        public ExpenseRepository(ILogger<ExpenseRepository> log, ApiClient apiClient)
        {
            _log = log;
            _apiClient = apiClient;

            _log?.LogDebug("creating ExpenseRepository");
        }

        public async Task<IEnumerable<Expense>> GetAll()
        {
            if (_expenses == null)
            {
                _log?.LogDebug("loading expenses from api");
                var res = await _apiClient.Get<Expense>(UrlExpense);
                _expenses = new List<Expense> { };
                _expenses.AddRange(res);
            }
            else
            {
                _log?.LogDebug("returning expenses from cache");
            }
            return _expenses;
        }

        public async Task<PlayerExpense> Save(PlayerExpense memberExpense)
        {
            return await _apiClient.Post<PlayerExpense>(memberExpense, UrlPlayerExpense);
        }

        public async Task Delete(IEnumerable<PlayerExpense> items)
        {
            dynamic keys = new JObject();
            keys.keys = new JArray(items.Select(_ => _.Id));

            await _apiClient.Delete(keys, UrlPlayerExpense);
        }
    }
}