BPASmartClient/FryPot_DosingSystem/ViewModel/NewRecipeViewModel.cs

using BPASmartClient.Helper;
using FryPot_DosingSystem.Model;
using Microsoft.Toolkit.Mvvm.ComponentModel;
using Microsoft.Toolkit.Mvvm.Input;
using System;
using System.Collections.Generic;
using System.Collections.ObjectModel;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace FryPot_DosingSystem.ViewModel
{
    internal class NewRecipeViewModel : ObservableObject
    {
        /// <summary>
        /// 配方唯一编码，用于编辑配方
        /// </summary>
        public string recipeId { get; set; }
        /// <summary>
        /// 配料名称
        /// </summary>
        private string _recipeName;
        public string RecipeName { get { return _recipeName; } set { _recipeName = value; OnPropertyChanged(); } }

        public ObservableCollection<MaterialType> materials { get; set; } = new ObservableCollection<MaterialType>();

        public ObservableCollection<string> materialNames { get; set; } = new ObservableCollection<string>() { "肉","葱","蒜"};

        public RelayCommand AddRecipe { get; set; }
        public RelayCommand<string> RemoveRecipe { get; set; }
        public RelayCommand Comfirm { get; set; }
        public NewRecipeViewModel()
        {
            ActionManage.GetInstance.Register(new Action<object>(Id => {
                if (Id != null && Id is string strId)
                {
                    var res = Json<RecipeManage>.Data.Recipes.FirstOrDefault(p => p.RecipeId == strId);
                    if (res != null && res is NewRecipeModel rom)
                    {
                        RecipeName = rom.RecipeName;
                        foreach (var item in rom.materialCollection)
                        {
                            materials.Add(item);
                        }
                        recipeId = strId;
                    }
                }
            }),"EditRecipe");
            AddRecipe = new RelayCommand(() =>
            {
            pr:
                string materialCode = Guid.NewGuid().ToString();//原料唯一ID ，后期需要根据实际要求更改
                var res = materials.FirstOrDefault(p => p.MaterialCode == materialCode);
                if (res == null)
                {
                    materials.Add(new MaterialType() { MaterialCode = materialCode });
                }
                else
                {
                    goto pr;
                }
            });
            RemoveRecipe = new RelayCommand<string>(code =>
            {
                var res = materials.FirstOrDefault(m => m.MaterialCode == code);
                if (res != null)
                    materials.Remove(res);
            });
            Comfirm = new RelayCommand(() =>
            {
                var bom = Json<RecipeManage>.Data.Recipes.FirstOrDefault(p => p.RecipeId == recipeId);
                if (bom == null)//新配方
                {
                prop: string recipeID = Guid.NewGuid().ToString();//配方唯一ID，后期根据实际要求更改
                    var res = Json<RecipeManage>.Data.Recipes.FirstOrDefault(p => p.RecipeId == recipeID);
                    if (res == null)
                    {
                        Json<RecipeManage>.Data.Recipes.Add(new NewRecipeModel { RecipeId = recipeID, RecipeName = RecipeName, materialCollection = materials });//配方添加

                    }
                    else
                    {
                        goto prop;
                    }
                    ActionManage.GetInstance.Send("CloseNewRecipeView");
                }
                else //已有配方，用于编辑
                {
                    bom.materialCollection= materials;
                    bom.RecipeName = RecipeName;
                    ActionManage.GetInstance.Send("CloseNewRecipeView");
                }
            });
           
        }
    }
}