client/Models/Document.cs

using CommunityToolkit.Mvvm.ComponentModel;

namespace CloudPrint.Client.Models;

public sealed partial class CloudPrintDocument : ObservableObject
{
    [ObservableProperty]
    private string title = string.Empty;

    [ObservableProperty]
    private string description = string.Empty;

    [ObservableProperty]
    private string categoryName = "未分类";

    [ObservableProperty]
    private bool isUploaded;

    [ObservableProperty]
    private string syncStatus = "本地";

    public int Id { get; init; }
    public string FileName { get; init; } = string.Empty;
    public string FilePath { get; init; } = string.Empty;
    public string FileType { get; init; } = string.Empty;
    public long FileSize { get; init; }
    public string UploaderType { get; init; } = "admin";
    public int UploaderId { get; init; }
    public int CategoryId { get; init; }
    public int PageCount { get; init; }
    public DateTime CreatedAt { get; init; } = DateTime.Now;

    public string FileSizeText
    {
        get
        {
            if (FileSize >= 1024 * 1024)
            {
                return $"{FileSize / 1024d / 1024d:F2} MB";
            }

            if (FileSize >= 1024)
            {
                return $"{FileSize / 1024d:F2} KB";
            }

            return $"{FileSize} B";
        }
    }
}