55 lines
2.1 KiB
C#
55 lines
2.1 KiB
C#
using System;
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using System.Collections.ObjectModel;
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using ByteSizeLib;
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using CommunityToolkit.Mvvm.ComponentModel;
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namespace LANCommander.Launcher.ViewModels;
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/// <summary>
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/// ViewModel for the version picker overlay. Lists every downloadable version for a game so the
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/// user can install or roll back to a specific one, along with its changelog and download size.
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/// </summary>
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public partial class GameVersionsViewModel : ViewModelBase
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{
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[ObservableProperty]
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private string _dialogTitle = string.Empty;
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[ObservableProperty]
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private ObservableCollection<GameVersionItemViewModel> _versions = new();
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}
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public partial class GameVersionItemViewModel : ViewModelBase
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{
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public SDK.Models.GameVersion Version { get; }
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public string VersionLabel => string.IsNullOrWhiteSpace(Version.Version) ? "(unversioned)" : Version.Version;
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public string ChangelogText => Version.Changelog ?? string.Empty;
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public bool HasChangelog => !string.IsNullOrWhiteSpace(Version.Changelog);
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public string SizeText => Version.CompressedSize > 0
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? ByteSize.FromBytes(Version.CompressedSize).ToString("0.##")
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: string.Empty;
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public bool HasSize => Version.CompressedSize > 0;
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public bool CreatedOnKnown => Version.CreatedOn != default;
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public string CreatedOnText => Version.CreatedOn.ToLocalTime().ToString("MMM d, yyyy");
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/// <summary>True when this version matches the game's currently installed version.</summary>
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public bool IsInstalled { get; }
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/// <summary>Only versions that carry an archive and aren't already installed can be switched to.</summary>
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public bool IsInstallable => !IsInstalled
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&& Version.ArchiveId.HasValue
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&& Version.ArchiveId.Value != Guid.Empty;
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/// <summary>Label for the action button: "Update" for a newer version, "Roll Back" for an older one.</summary>
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public string ButtonText { get; }
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public GameVersionItemViewModel(SDK.Models.GameVersion version, bool isInstalled, bool isNewerThanInstalled)
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{
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Version = version;
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IsInstalled = isInstalled;
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ButtonText = isNewerThanInstalled ? "Update" : "Roll Back";
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}
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}
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