BPASmartClient/DosingSystem/ViewModel/NewMaterialViewModel.cs

using BPASmartClient.CustomResource.Pages.Model;
using BPASmartClient.DosingSystem.Model;
using BPASmartClient.Helper;
using BPASmartClient.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 BPASmartClient.DosingSystem.ViewModel;

public class NewMaterialViewModel:ObservableObject
{
    public ObservableCollection<RawMaterialModel> Materials { get; set; } = Json<LocaMaterial>.Data.LocalMaterails;

    public string MaterialName { get { return _materialName; } set { _materialName = value; OnPropertyChanged(); } }
    private string _materialName = string.Empty;

    public string ErrorInfo { get { return _mErrorInfo; } set { _mErrorInfo = value; OnPropertyChanged(); } }
    private string _mErrorInfo;

    public RelayCommand<object> RemoveCommand { get; set; }

    public RelayCommand SaveCommand { get; set; }



    private void Remove(object o)
    {
        if (o == null) return;
        if(o is string id)
        {
            var res  = Materials.FirstOrDefault(p=>p.RawMaterialId == id);
            Materials.Remove(res);
            Json<LocaMaterial>.Save();
            MessageLog.GetInstance.ShowUserLog($"删除原料--{res.RawMaterialName}");
        }
    }

    public NewMaterialViewModel()
    {
        RemoveCommand = new RelayCommand<object>(Remove);

        SaveCommand = new RelayCommand(() =>
        {
            if(MaterialName == String.Empty) { ErrorInfo = "原料名称不能为空";return; }
            if(Global.DeviceRawMaterials.FirstOrDefault(p=>p.RawMaterialName == MaterialName) != null) { ErrorInfo = "设备中已存在该原料名称";return;}
            if(Json<LocaMaterial>.Data.LocalMaterails.FirstOrDefault(p=>p.RawMaterialName == MaterialName) != null) { ErrorInfo = "本地原料名称重复";return ;}
            Json<LocaMaterial>.Data.LocalMaterails.Add(new RawMaterialModel { RawMaterialName = MaterialName, RawMaterialId = Guid.NewGuid().ToString() , RawMaterialSource = 0 });
            Json<LocaMaterial>.Save();
            MessageLog.GetInstance.ShowUserLog($"添加原料--{MaterialName}");
        });
    }
}