bbwy/BBWY.Client/ViewModels/Setting/ShopSettingViewModel.cs

using BBWY.Client.APIServices;
using BBWY.Client.Models;
using BBWY.Common.Models;
using GalaSoft.MvvmLight.Command;
using System.Collections.Generic;
using System.Linq;
using System.Threading.Tasks;
using System.Windows;
using System.Windows.Input;

namespace BBWY.Client.ViewModels
{
    public class ShopSettingViewModel : BaseVM, IDenpendency
    {
        private bool isLoading;
        private GlobalContext globalContext;
        private ShopService shopService;
        private PurchaseAccount purchaseAccount;
        public PurchaseAccount PurchaseAccount { get => purchaseAccount; set { Set(ref purchaseAccount, value); } }

        public bool IsLoading { get => isLoading; set { Set(ref isLoading, value); } }
        public ICommand SaveCommand { get; set; }

        public ShopSettingViewModel(GlobalContext globalContext, ShopService shopService)
        {
            this.globalContext = globalContext;
            this.shopService = shopService;
            SaveCommand = new RelayCommand(Save);
        }

        protected override void Load()
        {
            this.PurchaseAccount = globalContext.User.Shop.PurchaseAccountList == null || globalContext.User.Shop.PurchaseAccountList.Count() == 0 ?
                                   new PurchaseAccount() :
                                   globalContext.User.Shop.PurchaseAccountList[0].Clone() as PurchaseAccount;
        }

        protected override void Unload()
        {
            this.PurchaseAccount = null;
        }

        private void Save()
        {
            IsLoading = true;
            Task.Factory.StartNew(() => shopService.SaveShopSetting(globalContext.User.Shop.ShopId, "", 0, PurchaseAccount)).ContinueWith(r =>
            {
                IsLoading = false;
                var response = r.Result;
                if (!response.Success)
                {
                    App.Current.Dispatcher.Invoke(() => MessageBox.Show(response.Msg, "保存店铺设置"));
                    return;
                }

                if (globalContext.User.Shop.PurchaseAccountList == null)
                    globalContext.User.Shop.PurchaseAccountList = new List<PurchaseAccount>();
                globalContext.User.Shop.PurchaseAccountList.Clear();
                PurchaseAccount.Id = response.Data;
                globalContext.User.Shop.PurchaseAccountList.Add(PurchaseAccount);
            });
        }
    }
}