Devexpress Blazore项目前端页面基类

using System;

using System.Threading.Tasks;

using Blazored.LocalStorage;

using Blazored.Toast.Services;

using Microsoft.AspNetCore.Components;

using Client.Services;

using Data.Models;

namespace Client.Classes.Impl

{

public class MinimalComponentBase : ComponentBase

{

#region Inject section

Inject\] protected IApiService ApiService { get; set; } \[Inject\] protected IUserService UserService { get; set; } \[Inject\] protected NavigationManager NavigationManager { get; set; } \[Inject\] protected IToastService ToastService { get; set; } \[Inject\] protected ILocalStorageService LocalStorageService { get; set; } #endregion #region Parameters \[Parameter\] public bool ReadOnly { get; set; } #endregion #region Protected properties protected ClaimTypes RequiredClaimType { get; set; } protected bool IsAdmin { get; set; } protected bool CanCreate { get; set; } protected bool CanEdit { get; set; } protected bool CanDelete { get; set; } protected bool CanRestore { get; set; } protected string ApiUrl { get; set; } protected bool IsValidating { get; set; } = true; protected bool IsFreeAccess { get; set; } protected bool IsOnlyAdmin { get; set; } #endregion #region Protected methods protected virtual async Task InitComponent(TgClaimTypes requireClaimType, string apiUrl) { ApiUrl = apiUrl; RequiredClaimType = requireClaimType; await ValidatePermission(); ApiService.SetBaseUrl(ApiUrl); } protected void RedirectToLoginPage() { var returnUrl = NavigationManager.ToBaseRelativePath(NavigationManager.Uri); var url = "/login"; if (string.IsNullOrEmpty(returnUrl) == false) url += $"?returnUrl={returnUrl}"; NavigationManager.NavigateTo(url); } protected void RedirectToErrorPage(string errorMessage) { NavigationManager.NavigateTo("/error"); } protected void RedirectToAccessDeniedPage() { NavigationManager.NavigateTo("/access-denied"); } // Must validate permission on initialized protected async Task ValidatePermission() { await UserService.LoadAsync(); // IsAdmin = UserService.IsAdminLevel; IsAdmin = true; var permission = await UserService.GetPermissionAsync(RequiredClaimType); if (ApiService.IsSessionExpired) RedirectToLoginPage(); if (ApiService.IsError) RedirectToErrorPage(ApiService.ErrorMessage); if (IsOnlyAdmin \&\& IsAdmin == false) RedirectToAccessDeniedPage(); if (IsFreeAccess == false) { CanEdit = ((permission?.Value ?? -1) \>= TgPermissions.Update.Value \|\| IsAdmin) \&\& ReadOnly == false; if ((permission?.Value ?? -1) \< TgPermissions.View.Value \&\& IsAdmin == false) RedirectToAccessDeniedPage(); } IsValidating = false; } #endregion } }