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XLIMS.SP/ViewModels/BookViewModel.cs

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+using System;
+using System.Collections.Generic;
+using System.Text;
+using System.Windows.Input;
+using XLIMS.CONTRACT;
+using XLIMS.DATA.Models;
+using XLIMS.MVVM.Base;
+
+namespace XLIMS.SP.ViewModels
+{
+    public class BookViewModel:ViewModelBase
+    {
+        #region Constructor
+        public BookViewModel(ILimsService limsService,BookSet bookSet=null) 
+        {
+            _limsService = limsService;
+            if (bookSet != null) _bookSet = bookSet;
+            else _bookSet = new BookSet();
+        }
+        #endregion //Constructor
+
+        #region Events
+        #endregion //Events
+
+        #region Fields
+        private readonly ILimsService _limsService;
+        private readonly BookSet _bookSet;
+        #endregion //Fields
+
+        #region Properties
+        public string? Number
+        {
+            get => _bookSet.Number;
+            set { _bookSet.Number = value; OnPropertyChanged(); }
+        }
+        #endregion //Properties
+
+        #region Methods
+        private async Task SaveAsync()
+        {
+            if (_bookSet.Id == 0) await _limsService.Books.AddAsync(_bookSet);
+            else await _limsService.Books.UpdateAsync(_bookSet);
+        }
+        public async Task Remove()
+        {
+            await _limsService.Books.RemoveAsync(_bookSet);
+        }
+        #endregion //Methods
+
+        #region Commands
+        public ICommand SaveCommand => new AsyncRelayCommand(SaveAsync);
+        #endregion //Commands
+    }
+}