NemAn/NemAnCore/Shared/HeaderBar.razor

@using Grpc.Core
@using GrpcShared.DTO
@using GrpcShared.DTO.Auth
@using GrpcShared.DTO.Search
@using NemAnBlazor.Services.Interfaces
@using System.Net
@inject NavigationManager NavigationManager
@inject Blazored.LocalStorage.ILocalStorageService localStorage
@inject ITrackClientService SearchService
@inject IAuthClientService AuthService
@inject IIdentityClientService identityService

<Bar Breakpoint="Breakpoint.Desktop"
     Background="Background.Body"
     ThemeContrast="ThemeContrast.Light">
    <BarToggler />
    <BarMenu>
        <BarStart>
            <Autocomplete TItem="SearchResponse"
                          TValue="string"
                          Data="@Searches"
                          TextField="@(( item ) => item!.Tracks!.Items!.FirstOrDefault()!.Name)"
                          ValueField="@(( item ) => item!.Tracks!.Items!.FirstOrDefault()!.Name)"
                          Filter="AutocompleteFilter.StartsWith"
                          Placeholder="Search..."
                          FreeTyping>

            </Autocomplete>
        </BarStart>
        <BarEnd>
            <BarItem>
                <Button class="btn btn-success" @onclick="LoginUser">Log in</Button>
            </BarItem>
        </BarEnd>
    </BarMenu>
</Bar>

@code {
    public IEnumerable<SearchResponse>? Searches;
    private string? search;


    private async Task LoginUser()
    {
        CodeRequest authParams = await AuthService.GetAuthParams();
        string url = $"https://accounts.spotify.com/en/authorize?client_id={authParams.ClientId}&redirect_uri={authParams.RedirectURI}&response_type={authParams.ResponseType}&scope={authParams.Scope}&show_dialog={authParams.ShowDialog}";
        NavigationManager.NavigateTo(url);

    }

    protected override async Task OnInitializedAsync(){

        var userInfo = await localStorage.GetItemAsync<string>("user_info");
        if (userInfo != null) NavigationManager.NavigateTo("/home");


        var user = await identityService.GetTokenByIdAsync(new GrpcShared.DTO.Db.DbRequestMessage
            {
                Id = userInfo!
            });

        TokenMessage tokenM = new TokenMessage { Token = user.Token, RefreshToken = user.RefreshToken };

        SearchRequest request = new() { Query = search, Type = "track", Token = user.Token };

        try
        {
            Searches = await SearchService.GetListSearchAsync(request);

            if (Searches == null)
            {
                string? tempToken = await SpotifyHelper.TryRefreshToken(AuthService, tokenM, user, localStorage, identityService);               
            }

            await base.OnInitializedAsync();
        }
        catch (RpcException e)
        {
            if (e.StatusCode == StatusCode.Cancelled)
            {
                return;
            }
            throw;
        }

    }
}