Add Point of Sale feature to BTCPay

BTCPayServer/Models/AppViewModels/CreateAppViewModel.cs

@@ -0,0 +1,57 @@
+using System;
+using System.Collections.Generic;
+using System.ComponentModel.DataAnnotations;
+using System.Linq;
+using System.Threading.Tasks;
+using BTCPayServer.Data;
+using BTCPayServer.Services.Apps;
+using Microsoft.AspNetCore.Mvc.Rendering;
+
+namespace BTCPayServer.Models.AppViewModels
+{
+    public class CreateAppViewModel
+    {
+        public CreateAppViewModel()
+        {
+            SetApps();
+        }
+        class Format
+        {
+            public string Name { get; set; }
+            public string Value { get; set; }
+        }
+        [Required]
+        [MaxLength(50)]
+        [MinLength(1)]
+        public string Name { get; set; }
+
+        [Display(Name = "Store")]
+        public string SelectedStore { get; set; }
+
+        public void SetStores(StoreData[] stores)
+        {
+            var defaultStore = stores[0].Id;
+            var choices = stores.Select(o => new Format() { Name = o.StoreName, Value = o.Id }).ToArray();
+            var chosen = choices.FirstOrDefault(f => f.Value == defaultStore) ?? choices.FirstOrDefault();
+            Stores = new SelectList(choices, nameof(chosen.Value), nameof(chosen.Name), chosen);
+            SelectedStore = chosen.Value;
+        }
+
+        public SelectList Stores { get; set; }
+
+        [Display(Name = "App type")]
+        public string SelectedAppType { get; set; }
+
+        public SelectList AppTypes { get; set; }
+
+        void SetApps()
+        {
+            var defaultAppType = AppType.PointOfSale.ToString();
+            var choices = typeof(AppType).GetEnumNames().Select(o => new Format() { Name = o, Value = o }).ToArray();
+            var chosen = choices.FirstOrDefault(f => f.Value == defaultAppType) ?? choices.FirstOrDefault();
+            AppTypes = new SelectList(choices, nameof(chosen.Value), nameof(chosen.Name), chosen);
+            SelectedAppType = chosen.Value;
+        }
+
+    }
+}