Get counts from app service.

samples/DashboardDemo/src/DashboardDemo.Application.Contracts/IDashboardAppService.cs

@@ -0,0 +1,28 @@
+using System;
+using System.Collections.Generic;
+using System.Text;
+using System.Threading.Tasks;
+using Volo.Abp.Application.Services;
+
+namespace DashboardDemo
+{
+    public interface IDashboardAppService : IApplicationService
+    {
+        Task<CountersWidgetResultDto> GetCountersWidgetAsync(CountersWidgetInputDto input);
+    }
+
+    public class CountersWidgetInputDto
+    {
+        public DateTime StartDate { get; set; }
+
+        public DateTime EndDate { get; set; }
+    }
+
+    public class CountersWidgetResultDto
+    {
+        public int NewUsers { get; set; }
+        public int ActiveUsers { get; set; }
+        public double TotalIncome { get; set; }
+        public double TotalProfit { get; set; }
+    }
+}

samples/DashboardDemo/src/DashboardDemo.Application/DashboardAppService.cs

@@ -0,0 +1,23 @@
+using System;
+using System.Threading.Tasks;
+
+namespace DashboardDemo
+{
+    public class DashboardAppService : DashboardDemoAppService, IDashboardAppService
+    {
+        public async Task<CountersWidgetResultDto> GetCountersWidgetAsync(CountersWidgetInputDto input)
+        {
+            /* Instead of hard-coded / calculated values, get counts from a repository!
+           */
+
+            var dayFactor = (int)Math.Round(input.EndDate.Subtract(input.StartDate).TotalDays + 1);
+            return new CountersWidgetResultDto
+            {
+                NewUsers = dayFactor * 86,
+                ActiveUsers = dayFactor * 58,
+                TotalIncome = dayFactor * 749.53,
+                TotalProfit = dayFactor * 239.45,
+            };
+        }
+    }
+}

samples/DashboardDemo/src/DashboardDemo.Web/Pages/Components/CountersWidget/CountersWidgetViewComponent.cs

@@ -11,19 +11,24 @@ namespace DashboardDemo.Web.Pages.Components.CountersWidget
         )]
     public class CountersWidgetViewComponent : AbpViewComponent
     {
+        private readonly IDashboardAppService _dashboardAppService;
+
+        public CountersWidgetViewComponent(IDashboardAppService dashboardAppService)
+        {
+            _dashboardAppService = dashboardAppService;
+        }
+
         public async Task<IViewComponentResult> InvokeAsync(DateTime startDate, DateTime endDate)
         {
-            /* Instead of hard-coded / calculated values, get counts from a database or a service!
-             */
+            var result = await _dashboardAppService.GetCountersWidgetAsync(
+                new CountersWidgetInputDto
+                {
+                    StartDate = startDate,
+                    EndDate = endDate
+                }
+            );
 
-            var dayFactor = (int)Math.Round(endDate.Subtract(startDate).TotalDays + 1);
-            return View(new CountersWidgetViewModel
-            {
-                NewUsers = dayFactor * 86,
-                ActiveUsers = dayFactor * 58,
-                TotalIncome = dayFactor * 749.53,
-                TotalProfit = dayFactor * 239.45,
-            });
+            return View(result);
         }
     }
 }

samples/DashboardDemo/src/DashboardDemo.Web/Pages/Components/CountersWidget/CountersWidgetViewModel.cs

@@ -1,10 +0,0 @@
-namespace DashboardDemo.Web.Pages.Components.CountersWidget
-{
-    public class CountersWidgetViewModel
-    {
-        public int NewUsers { get; set; }
-        public int ActiveUsers { get; set; }
-        public double TotalIncome { get; set; }
-        public double TotalProfit { get; set; }
-    }
-}

samples/DashboardDemo/src/DashboardDemo.Web/Pages/Components/CountersWidget/Default.cshtml

@@ -1,4 +1,4 @@
-@model DashboardDemo.Web.Pages.Components.CountersWidget.CountersWidgetViewModel
+@model DashboardDemo.CountersWidgetResultDto
 <div class="counters-widget">
     <abp-row>
         <abp-column size-md="_3">