Add user deletion

Hcs.WebApp/Components/Pages/Management/Users.razor

@@ -5,6 +5,7 @@
 @using Microsoft.AspNetCore.Authorization
 @using Microsoft.AspNetCore.Identity
 @using Microsoft.EntityFrameworkCore
+@using System.IdentityModel.Claims
 
 @attribute [Authorize]
 
@@ -29,14 +30,19 @@
             </RadzenRow>
             <RadzenRow>
                 <RadzenColumn SizeMD="12">
-                    <!--<RadzenAlert AlertStyle="AlertStyle.Danger" Variant="Variant.Flat" Shade="Shade.Lighter" Title="" Visible="@errorVisible">@error</RadzenAlert>-->
+                    <RadzenAlert Visible="@hasError" AlertStyle="AlertStyle.Danger" Variant="Variant.Flat" Shade="Shade.Lighter" AllowClose="false">
+                        @errorMessage
+                    </RadzenAlert>
                     <RadzenDataGrid TItem="AppUserWithRole" Data="@usersWithRoles" RowSelect="@EditUser" IsLoading="@isLoading" AllowFiltering="true" AllowPaging="true" ShowPagingSummary="true" PageSizeOptions=@(new int[] { 5, 10, 20, 30 }) AllowSorting="true">
                         <Columns>
                             <RadzenDataGridColumn TItem="AppUserWithRole" Property="User.UserName" Title="Логин" />
                             <RadzenDataGridColumn TItem="AppUserWithRole" Property="Role.Name" Title="Роль" />
                             <RadzenDataGridColumn TItem="AppUserWithRole" Filterable="false" Sortable="false" TextAlign="TextAlign.Center" Width="70px">
                                 <Template Context="userWithRole">
+                                    @if (userWithRole.User.Id != currentUserId)
+                                    {
                                         <RadzenButton Click="@(() => DeleteUser(userWithRole))" @onclick:stopPropagation="true" ButtonStyle="ButtonStyle.Danger" Icon="close" Size="ButtonSize.Small" />
+                                    }
                                 </Template>
                             </RadzenDataGridColumn>
                         </Columns>
@@ -48,8 +54,11 @@
 </AuthorizedContent>
 
 @code {
+    string currentUserId;
     IEnumerable<AppUserWithRole> usersWithRoles;
     bool isLoading;
+    bool hasError;
+    string errorMessage;
 
     protected override async Task OnAfterRenderAsync(bool firstRender)
     {
@@ -64,6 +73,7 @@
             var state = await AuthenticationStateProvider.GetAuthenticationStateAsync();
             if (state.User.Identity?.IsAuthenticated ?? false)
             {
+                currentUserId = state.User.FindFirst(ClaimTypes.NameIdentifier).Value;
                 usersWithRoles = await UsersService.GetUsersWithRole();
             }
 
@@ -117,12 +127,44 @@
 
     async Task DeleteUser(AppUserWithRole userWithRole)
     {
-        // TODO: Implement method
+        try
+        {
+            if (await DialogService.Confirm(
+                $"Вы уверены что хотите удалить пользователя '{userWithRole.User.UserName}'?",
+                "Удаление пользователя",
+                new ConfirmOptions()
+                {
+                    OkButtonText = "Да",
+                    CancelButtonText = "Отмена"
+                }) == true)
+            {
+                isLoading = true;
+
+                var result = await UsersService.DeleteUser(userWithRole.User.Id);
+                if (result.Succeeded)
+                {
+                    await UpdateGrid();
+                }
+                else
+                {
+                    isLoading = false;
+                    hasError = true;
+                    errorMessage = string.Join(", ", result.Errors.Select(x => x.Description));
+                }
+            }
+        }
+        catch (Exception e)
+        {
+            isLoading = false;
+            hasError = true;
+            errorMessage = e.Message;
+        }
     }
 
     async Task UpdateGrid()
     {
         isLoading = true;
+        hasError = false;
 
         usersWithRoles = await UsersService.GetUsersWithRole();
 

Hcs.WebApp/Services/UsersService.cs

@@ -88,5 +88,11 @@ namespace Hcs.WebApp.Services
             }
             await transaction.CommitAsync();
         }
+
+        public async Task<IdentityResult> DeleteUser(string userId)
+        {
+            var user = await userManager.FindByIdAsync(userId);
+            return await userManager.DeleteAsync(user);
+        }
     }
 }