LANCommander/LANCommander.Client/UI/Components/MediaImage.razor

@using LANCommander.Client.Data.Models
@inject MediaService MediaService

@if (Media != null)
{
    <img src="media://@(Media.FileId)-@(Media.Crc32)?mime=@(Media.MimeType)" class="@Class" />
}

@code {
    [Parameter] public Guid Id { get; set; }
    [Parameter] public string Class { get; set; }

    Media Media { get; set; }
    string Data { get; set; }

    protected override async Task OnParametersSetAsync()
    {
        Media = await MediaService.Get(Id);

        var path = MediaService.GetImagePath(Media);

        if (File.Exists(path))
            Data = Convert.ToBase64String(await File.ReadAllBytesAsync(path));
    }
}