User deletion functional.

Author: heliosCreation

src/IdentityServer/Areas/HeliosAdminUI/Controllers/UserManagementController.cs

@@ -40,8 +40,11 @@ public ActionResult UserHome()
         {
             return View();
         }
-        public async Task<IActionResult> GetAllUsers()
+        public async Task<IActionResult> GetAllUsers(bool isSuccess = false, bool error = false)
         {
+            ViewBag.isSuccess = isSuccess;
+            ViewBag.error = error;
+
             var users = await _userMgr.Users.ToListAsync();
             var vm = _mapper.Map<List<UserWithRoles>>(users);
             foreach (var user in vm)
@@ -110,25 +113,37 @@ public ActionResult Edit(int id, IFormCollection collection)
             }
         }
 
-        // GET: UserManagementController/Delete/5
-        public ActionResult Delete(int id)
+        public async Task<IActionResult> DeleteUser(string? id)
         {
-            return View();
+            if (id == null)
+            {
+                return NotFound();
+            }
+
+            var entity = await _userMgr.FindByIdAsync(id);
+            if (entity == null)
+            {
+                return NotFound();
+            }
+            var vm = _mapper.Map<UserWithRoles>(entity);
+            return View(vm);
         }
 
-        // POST: UserManagementController/Delete/5
-        [HttpPost]
+        [HttpPost, ActionName("DeleteUser")]
         [ValidateAntiForgeryToken]
-        public ActionResult Delete(int id, IFormCollection collection)
+        public async Task<IActionResult> DeleteUserConfirmed(string id)
         {
-            try
+            var user = await _userMgr.FindByIdAsync(id);
+            if (user == null)
             {
-                return RedirectToAction(nameof(Index));
+                return NotFound();
             }
-            catch
+            var deleted = await _userMgr.DeleteAsync(user);
+            if (deleted.Succeeded)
             {
-                return View();
+                return RedirectToAction(nameof(GetAllUsers), new { isSuccess = true });
             }
+            return RedirectToAction(nameof(GetAllUsers), new { error = true });
         }
     }
 }

src/IdentityServer/Areas/HeliosAdminUI/Views/UserManagement/DeleteUser.cshtml

@@ -0,0 +1,15 @@
+@model UserWithRoles;
+
+<a asp-action="GetAllUsers" class="btn btn-primary mb-3"> <i class="bi bi-arrow-left-circle-fill"></i> Go back to List</a>
+
+<div class="card">
+    <div class="card-header sub-user-theme"></div>
+    <div class="card-body">
+        <h4 class="card-title">Delete User</h4>
+        <hr />
+        <form method="post" asp-controller="UserManagement" asp-action="DeleteUser" asp-route-id="@Model.Id">
+            <p>Are you sure you want to delete <strong>@Model.UserName</strong>? <br /> The action will be irreversible.</p>
+            <button class="btn btn-danger btn-block">Delete <i class="bi bi-trash ml-1"></i></button>
+        </form>
+    </div>
+</div>

src/IdentityServer/Areas/HeliosAdminUI/Views/UserManagement/GetAllUsers.cshtml

@@ -1,6 +1,6 @@
 @model List<UserWithRoles>;
 @{
-    if (ViewBag.Error == true)
+    if (ViewBag.error == true)
     {
         <div class="alert alert-danger alert-dismissible fade show" role="alert">
             An error occured while processing your request. Contact your administrator. <br />
@@ -66,10 +66,10 @@
                             }
                         </td>
                         <td>
-                            <a asp-action="Edit" asp-route-id="@user.Id" class="btn btn-success text-white">
+                            <a asp-action="EditUser" asp-route-id="@user.Id" class="btn btn-success text-white">
                                 <i class="bi bi-pen"></i>
                             </a>
-                            <a asp-action="Delete" asp-route-id="@user.Id" class="btn btn-danger text-white">
+                            <a asp-action="DeleteUser" asp-route-id="@user.Id" class="btn btn-danger text-white">
                                 <i class="bi bi-trash"></i>
                             </a>
                         </td>