crosslangdevstudio/Models/IPackageManager.cs

using System;
using System.Collections.Generic;
using System.Collections.ObjectModel;
using System.Threading.Tasks;
using Avalonia.Controls;

namespace CrossLangDevStudio.Models;

public interface IPackageManager
{
    Task InstallPackageAsync(string name, CrossLangVersion version);
    string Filter { get; }
    void UninstallPackage(string name);

    IEnumerable<CrossLangDependency> GetInstalledPackages();
}

public static class PackageManagerExtensions
{
    public static string Summarize(this string txt)
    {
        var lines = txt.Replace("\r", "").Split('\n');
        bool needsthreedots = false;
        if (lines.Length > 1) needsthreedots = true;
        if (lines.Length == 0) return "";
        if (lines[0].Length > 120) { needsthreedots = true; lines[0] = lines[0].Substring(0, 120); }
        if (needsthreedots) return $"{lines[0]}...";
        return lines[0];
    }
    public static bool IsPackageInstalled(this IPackageManager pm, string name)
    {
        foreach (var item in pm.GetInstalledPackages())
        {
            if (item.Name == name) return true;
        }
        return false;
    }
    public static async Task InstallPackageAsync(this IPackageManager pm, CrossLangDependency dep)
    {
        await pm.InstallPackageAsync(dep.Name, dep.Version);
    }
}