Add user manager page (#22)

Reviewed-on: #22

src/GameIdeas/Client/GameIdeas.BlazorApp/Pages/Users/Users.razor.cs

@@ -0,0 +1,133 @@
+using GameIdeas.BlazorApp.Pages.Users.Filters;
+using GameIdeas.BlazorApp.Pages.Users.Gateways;
+using GameIdeas.BlazorApp.Shared.Components.Popup;
+using GameIdeas.Shared.Dto;
+using Microsoft.AspNetCore.Components;
+
+namespace GameIdeas.BlazorApp.Pages.Users;
+
+public partial class Users
+{
+    [Inject] private IUserGateway UserGateway { get; set; } = default!;
+
+    private Popup? Popup;
+    private bool IsLoading = false;
+    private UserFilterParams FilterParams = new();
+    private UserListDto UserList = new();
+    private IEnumerable<RoleDto> Roles = [];
+    private int CurrentPage = 1;
+    private UserDto UserAdd = new();
+    private UserDto? UserDelete;
+
+    protected override async Task OnInitializedAsync()
+    {
+        await FetchData();
+        await base.OnInitializedAsync();
+    }
+
+    private async Task FetchData(bool fetchRoles = true)
+    {
+        try
+        {
+            IsLoading = true;
+
+            if (fetchRoles)
+                Roles = await UserGateway.GetRoles();
+
+            UserList = await UserGateway.GetUsers(FilterParams, CurrentPage);
+        }
+        catch (Exception)
+        {
+            throw;
+        }
+        finally
+        {
+            IsLoading = false;  
+        }
+    }
+
+    private async Task HandleSubmitUser(UserDto user)
+    {
+        try
+        {
+            IsLoading = true;
+
+            await UserGateway.CreateUser(user);
+            await FetchData(false);
+        }
+        catch (Exception)
+        {
+            throw;
+        }
+        finally
+        {
+            IsLoading = false;
+        }
+
+        UserAdd = new();
+    }
+
+    private async Task HandleUpdateUser(UserDto user)
+    {
+        try
+        {
+            IsLoading = true;
+
+            await UserGateway.UpdateUser(user);
+            await FetchData(false);
+        }
+        catch (Exception)
+        {
+            throw;
+        }
+        finally
+        {
+            IsLoading = false;
+        }
+    }
+
+    private async Task HandleRemoveUser()
+    {
+        Popup?.Close();
+
+        if (UserDelete?.Id == null)
+        {
+            return;
+        }
+
+        try
+        {
+            IsLoading = true;
+
+            await UserGateway.DeleteUser(UserDelete.Id);
+            await FetchData(false);
+        }
+        catch (Exception)
+        {
+            throw;
+        }
+        finally
+        {
+            IsLoading = false;
+        }
+
+        UserDelete = null;
+    }
+    private void HandleResetUser(UserDto args)
+    {
+        UserAdd = new();
+    }
+    private async Task HandleFilterChanged()
+    {
+        await FetchData(false);
+    }
+    private void HandleCancelPopupClicked()
+    {
+        Popup?.Close();
+    }
+    private void HandleOpenConfirmationPopup(UserDto user)
+    {
+        UserDelete = user;
+        Popup?.Open();
+    }
+}