Implementing CLI install

WPILibInstaller-Avalonia/CLI/CLIConfigurationProvider.cs

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+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using System.IO;
+using System.IO.Compression;
+using System.Runtime.InteropServices;
+using System.Security.Cryptography;
+using WPILibInstaller.Interfaces;
+using WPILibInstaller.Models;
+using WPILibInstaller.Utils;
+using Newtonsoft.Json;
+using Newtonsoft.Json.Linq;
+using System.Diagnostics;
+using System.Threading;
+
+namespace WPILibInstaller.CLI
+{
+    class CLIConfigurationProvider : IConfigurationProvider
+    {
+        private CLIConfigurationProvider(UpgradeConfig upgradeConfig, FullConfig fullConfig, JdkConfig jdkConfig, VsCodeConfig vsCodeConfig, IArchiveExtractor zipArchive, string installDirectory)
+        {
+            UpgradeConfig = upgradeConfig;
+            FullConfig = fullConfig;
+            JdkConfig = jdkConfig;
+            VsCodeConfig = vsCodeConfig;
+            ZipArchive = zipArchive;
+            InstallDirectory = installDirectory;
+        }
+
+        public static async Task<CLIConfigurationProvider> From(string artifactsFile, string resourcesFile)
+        {
+            UpgradeConfig UpgradeConfig;
+            FullConfig FullConfig;
+            JdkConfig JdkConfig;
+            VsCodeConfig VsCodeConfig;
+
+            var publicFolder = Environment.GetEnvironmentVariable("PUBLIC");
+            if (publicFolder == null)
+            {
+                if (RuntimeInformation.IsOSPlatform(OSPlatform.Windows))
+                {
+                    publicFolder = "C:\\Users\\Public";
+                }
+                else
+                {
+                    publicFolder = Environment.GetFolderPath(Environment.SpecialFolder.Personal);
+                }
+            }
+
+            FileStream fileStream = File.OpenRead(artifactsFile);
+            if (RuntimeInformation.IsOSPlatform(OSPlatform.OSX))
+            {
+                // Read the original hash.
+                string hash = File.ReadAllText(Path.Join(AppContext.BaseDirectory, "checksum.txt")).Trim();
+
+                // Compute the hash of the file that exists.
+                string s;
+                using (SHA256 SHA256 = SHA256Managed.Create())
+                {
+                    s = Convert.ToHexString(await SHA256.ComputeHashAsync(fileStream));
+                }
+
+                // Make sure they match.
+                if (!s.Equals(hash.ToUpper()))
+                {
+                    throw new Exception("The artifacts file was damaged.");
+                }
+            }
+
+
+            fileStream.Position = 0;
+            var ZipArchive = ArchiveUtils.OpenArchive(fileStream);
+
+            var resourcesArchive = ZipFile.OpenRead(resourcesFile);
+
+            var entry = resourcesArchive.GetEntry("vscodeConfig.json");
+
+            using (StreamReader reader = new StreamReader(entry!.Open()))
+            {
+                var vsConfigStr = await reader.ReadToEndAsync();
+                VsCodeConfig = JsonConvert.DeserializeObject<VsCodeConfig>(vsConfigStr, new JsonSerializerSettings
+                {
+                    MissingMemberHandling = MissingMemberHandling.Error
+                }) ?? throw new InvalidOperationException("Not Valid");
+            }
+
+            entry = resourcesArchive.GetEntry("jdkConfig.json");
+
+            using (StreamReader reader = new StreamReader(entry!.Open()))
+            {
+                var configStr = await reader.ReadToEndAsync();
+                JdkConfig = JsonConvert.DeserializeObject<JdkConfig>(configStr, new JsonSerializerSettings
+                {
+                    MissingMemberHandling = MissingMemberHandling.Error
+                }) ?? throw new InvalidOperationException("Not Valid");
+            }
+
+
+            entry = resourcesArchive.GetEntry("fullConfig.json");
+
+            using (StreamReader reader = new StreamReader(entry!.Open()))
+            {
+                var configStr = await reader.ReadToEndAsync();
+                FullConfig = JsonConvert.DeserializeObject<FullConfig>(configStr, new JsonSerializerSettings
+                {
+                    MissingMemberHandling = MissingMemberHandling.Error
+                }) ?? throw new InvalidOperationException("Not Valid");
+            }
+
+
+            entry = resourcesArchive.GetEntry("upgradeConfig.json");
+
+            using (StreamReader reader = new StreamReader(entry!.Open()))
+            {
+                var configStr = await reader.ReadToEndAsync();
+                UpgradeConfig = JsonConvert.DeserializeObject<UpgradeConfig>(configStr, new JsonSerializerSettings
+                {
+                    MissingMemberHandling = MissingMemberHandling.Error
+                }) ?? throw new InvalidOperationException("Not Valid");
+            }
+
+            var InstallDirectory = Path.Combine(publicFolder, "wpilib", UpgradeConfig.FrcYear);
+            return new CLIConfigurationProvider(UpgradeConfig, FullConfig, JdkConfig, VsCodeConfig, ZipArchive, InstallDirectory);
+        }
+
+        public VsCodeModel VsCodeModel
+        {
+            get
+            {
+                VsCodeModel model = new VsCodeModel(VsCodeConfig.VsCodeVersion);
+                model.Platforms.Add(Utils.Platform.Win32, new VsCodeModel.PlatformData(VsCodeConfig.VsCode32Url, VsCodeConfig.VsCode32Name));
+                model.Platforms.Add(Utils.Platform.Win64, new VsCodeModel.PlatformData(VsCodeConfig.VsCode64Url, VsCodeConfig.VsCode64Name));
+                model.Platforms.Add(Utils.Platform.Linux64, new VsCodeModel.PlatformData(VsCodeConfig.VsCodeLinuxUrl, VsCodeConfig.VsCodeLinuxName));
+                model.Platforms.Add(Utils.Platform.Mac64, new VsCodeModel.PlatformData(VsCodeConfig.VsCodeMacUrl, VsCodeConfig.VsCodeMacName));
+                return model;
+            }
+        }
+
+
+        public IArchiveExtractor ZipArchive { get; private set; }
+
+        public UpgradeConfig UpgradeConfig { get; private set; }
+
+        public FullConfig FullConfig { get; private set; }
+
+        public JdkConfig JdkConfig { get; private set; }
+
+        public VsCodeConfig VsCodeConfig { get; private set; }
+
+        public string InstallDirectory { get; private set; }
+    }
+}