client/Models/PrintJob.cs

using CommunityToolkit.Mvvm.ComponentModel;

namespace CloudPrint.Client.Models;

public enum PrintJobStatus
{
    Pending,
    Printing,
    Completed,
    Failed,
    Cancelled
}

public sealed partial class PrintJob : ObservableObject
{
    [ObservableProperty]
    private int? windowsJobId;

    [ObservableProperty]
    private string windowsJobStatus = string.Empty;

    [ObservableProperty]
    [NotifyPropertyChangedFor(nameof(StatusText))]
    private PrintJobStatus status = PrintJobStatus.Pending;

    [ObservableProperty]
    private string errorMessage = string.Empty;

    private int progress;

    public int Id { get; init; }
    public string JobNo { get; init; } = string.Empty;
    public int PrinterId { get; set; }
    public string PrinterName { get; set; } = string.Empty;
    public int OrderItemId { get; init; }
    public int FileId { get; init; }
    public string FileName { get; init; } = string.Empty;
    public string FilePath { get; set; } = string.Empty;
    public int Copies { get; init; } = 1;
    public bool Color { get; init; }
    public bool Duplex { get; init; }
    public string PageRange { get; init; } = "all";
    public DateTime? StartedAt { get; set; }
    public DateTime? CompletedAt { get; set; }

    public int Progress
    {
        get => progress;
        set => SetProperty(ref progress, Math.Clamp(value, 0, 100));
    }

    public string StatusText => Status switch
    {
        PrintJobStatus.Pending => "待打印",
        PrintJobStatus.Printing => "打印中",
        PrintJobStatus.Completed => "已完成",
        PrintJobStatus.Failed => "失败",
        PrintJobStatus.Cancelled => "已取消",
        _ => "未知"
    };

    public void MarkPrinting()
    {
        StartedAt ??= DateTime.Now;
        Status = PrintJobStatus.Printing;
        Progress = Math.Max(Progress, 1);
    }

    public void MarkCompleted()
    {
        Status = PrintJobStatus.Completed;
        Progress = 100;
        CompletedAt = DateTime.Now;
        ErrorMessage = string.Empty;
    }

    public void MarkFailed(string message)
    {
        Status = PrintJobStatus.Failed;
        ErrorMessage = message;
        CompletedAt = DateTime.Now;
    }

    public void MarkCancelled()
    {
        Status = PrintJobStatus.Cancelled;
        CompletedAt = DateTime.Now;
    }
}