mapo-core/MP.INVE/Pages/Starter.razor.cs

using System;
using System.Collections.Generic;
using System.Linq;
using System.Threading.Tasks;
using Microsoft.AspNetCore.Components;
using System.Net.Http;
using Microsoft.AspNetCore.Authorization;
using Microsoft.AspNetCore.Components.Authorization;
using Microsoft.AspNetCore.Components.Forms;
using Microsoft.AspNetCore.Components.Routing;
using Microsoft.AspNetCore.Components.Web;
using Microsoft.AspNetCore.Components.Web.Virtualization;
using Microsoft.JSInterop;
using MP.INVE;
using MP.INVE.Shared;
using MP.INVE.Components;
using Blazored.SessionStorage;

namespace MP.INVE.Pages
{
    public partial class Starter
    {
        [Inject]
        private IConfiguration Configuration { get; set; } = null !;

        [Inject]
        private ISessionStorageService sessionStorage { get; set; } = null!;

        private int idOperatore { get; set; } = 0;
        private string authKey { get; set; } = "";

        protected override async Task OnInitializedAsync()
        {
            await getId();
            await getAuth();
        }

        protected override async Task OnAfterRenderAsync(bool firstRender)
        {
            if (firstRender)
            {
                await JSRuntime.InvokeVoidAsync("clearContent", $"qrCodeImg_{101}");
                await JSRuntime.InvokeVoidAsync("displayQr", $"qrCodeImg_{101}", rawCode);
            }
        }

        protected string BaseUrlTab { get => $"{Configuration["ServerConf:BaseUrl"]}"; }

        protected async Task getId()
        {
            idOperatore = await sessionStorage.GetItemAsync<int>("MatrOpr");
        }
        protected async Task getAuth()
        {
            authKey = await sessionStorage.GetItemAsync<string>("AuthKey");
        }

        protected string rawCode
        {
            get
            {
                string answ = "";
                answ = $"{BaseUrlTab}MatrOpr={idOperatore}&UserAuthKey={authKey}";
                return answ;
            }
        }
    }
}