From 21e7bf54936ea422170b39b69cffcf8c27bb8dfc Mon Sep 17 00:00:00 2001
From: Igor Stojkovic <igors@nordeus.com>
Date: Thu, 14 Dec 2023 10:17:30 +0100
Subject: [PATCH] Fixed path handling for plugins

---
 .github/workflows/main.yml                    |   2 +-
 src/NuGetForUnity.Cli/Fakes/AssemblyLoader.cs |   6 ++--
 .../NuGetForUnity.Cli.csproj                  |   2 +-
 .../IFoundInstalledPackageHandler.cs          |  16 +++++++++
 .../INugetPluginRegistry.cs                   |   6 ++++
 .../Models/INugetPackageIdentifier.cs         |   4 +--
 .../Models/INugetPluginService.cs             |   5 +++
 .../Models/INuspecFile.cs                     |   5 +++
 .../Editor/Configuration/NugetConfigFile.cs   |   2 +-
 .../Configuration/NugetForUnityPluginId.cs    |   3 +-
 .../Editor/InstalledPackagesManager.cs        |   2 ++
 .../Editor/NugetPackageUninstaller.cs         |   2 +-
 .../PluginAPI/NuGetForUnity.PluginAPI.dll     | Bin 8704 -> 9216 bytes
 .../PluginAPI/NuGetForUnity.PluginAPI.xml     |  29 +++++++++++++++-
 .../PluginSupport/NugetPluginService.cs       |   4 +++
 .../Editor/PluginSupport/PluginRegistry.cs    |  31 +++++++++++++++++-
 16 files changed, 108 insertions(+), 11 deletions(-)
 create mode 100644 src/NuGetForUnity.PluginAPI/ExtensionPoints/IFoundInstalledPackageHandler.cs

diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 89ed5869..48a714e6 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -168,7 +168,7 @@ jobs:
       - name: Setup dotnet
         uses: actions/setup-dotnet@v3
         with:
-          dotnet-version: "7.0.x"
+          dotnet-version: "8.0.x"
 
       - name: Build and pack .NET Core Global Tool
         run: >-
diff --git a/src/NuGetForUnity.Cli/Fakes/AssemblyLoader.cs b/src/NuGetForUnity.Cli/Fakes/AssemblyLoader.cs
index e09f33db..7b45d74c 100644
--- a/src/NuGetForUnity.Cli/Fakes/AssemblyLoader.cs
+++ b/src/NuGetForUnity.Cli/Fakes/AssemblyLoader.cs
@@ -1,4 +1,5 @@
 #nullable enable
+using System.IO;
 using System.Reflection;
 using NuGetForUnity.Cli;
 using NugetForUnity.Configuration;
@@ -17,8 +18,9 @@ internal static class AssemblyLoader
         /// <returns>Assembly of the loaded plugin.</returns>
         internal static Assembly Load(NugetForUnityPluginId pluginId)
         {
-            var loadContext = new NugetAssemblyLoadContext(pluginId.Path);
-            var assembly = loadContext.LoadFromAssemblyPath(pluginId.Path);
+            var path = Path.GetFullPath(Path.Combine(UnityPathHelper.AbsoluteProjectPath, pluginId.Path));
+            var loadContext = new NugetAssemblyLoadContext(path);
+            var assembly = loadContext.LoadFromAssemblyPath(path);
             return assembly;
         }
     }
diff --git a/src/NuGetForUnity.Cli/NuGetForUnity.Cli.csproj b/src/NuGetForUnity.Cli/NuGetForUnity.Cli.csproj
index 8a3c9548..164a8c70 100644
--- a/src/NuGetForUnity.Cli/NuGetForUnity.Cli.csproj
+++ b/src/NuGetForUnity.Cli/NuGetForUnity.Cli.csproj
@@ -3,7 +3,7 @@
         <OutputType>Exe</OutputType>
         <RootNamespace>NuGetForUnity.Cli</RootNamespace>
         <AssemblyName>NuGetForUnity.Cli</AssemblyName>
-        <TargetFramework>net7.0</TargetFramework>
+        <TargetFramework>net8.0</TargetFramework>
         <PlatformTarget>AnyCPU</PlatformTarget>
         <PackAsTool>true</PackAsTool>
         <ToolCommandName>nugetforunity</ToolCommandName>
diff --git a/src/NuGetForUnity.PluginAPI/ExtensionPoints/IFoundInstalledPackageHandler.cs b/src/NuGetForUnity.PluginAPI/ExtensionPoints/IFoundInstalledPackageHandler.cs
new file mode 100644
index 00000000..4783366f
--- /dev/null
+++ b/src/NuGetForUnity.PluginAPI/ExtensionPoints/IFoundInstalledPackageHandler.cs
@@ -0,0 +1,16 @@
+using NugetForUnity.PluginAPI.Models;
+
+namespace NugetForUnity.PluginAPI.ExtensionPoints
+{
+    /// <summary>
+    ///     Implement this interface to add additional handling for each found installed package.
+    /// </summary>
+    public interface IFoundInstalledPackageHandler
+    {
+        /// <summary>
+        ///     This will be called for each found installed package in the project.
+        /// </summary>
+        /// <param name="installedPackage">The installedPackage created from found nuspec file.</param>
+        void ProcessInstalledPackage(INugetPackage installedPackage);
+    }
+}
diff --git a/src/NuGetForUnity.PluginAPI/INugetPluginRegistry.cs b/src/NuGetForUnity.PluginAPI/INugetPluginRegistry.cs
index 42782d0d..772115bb 100644
--- a/src/NuGetForUnity.PluginAPI/INugetPluginRegistry.cs
+++ b/src/NuGetForUnity.PluginAPI/INugetPluginRegistry.cs
@@ -36,5 +36,11 @@ public interface INugetPluginRegistry
         /// </summary>
         /// <param name="packageUninstallHandler">The package uninstall handler to register.</param>
         void RegisterPackageUninstallHandler(IPackageUninstallHandler packageUninstallHandler);
+
+        /// <summary>
+        ///     Register a class that will be called when installed package is found.
+        /// </summary>
+        /// <param name="foundInstalledPackageHandler">The found installed package handler to register.</param>
+        void RegisterFoundInstalledPackageHandler(IFoundInstalledPackageHandler foundInstalledPackageHandler);
     }
 }
diff --git a/src/NuGetForUnity.PluginAPI/Models/INugetPackageIdentifier.cs b/src/NuGetForUnity.PluginAPI/Models/INugetPackageIdentifier.cs
index 0bd9d1df..87315f66 100644
--- a/src/NuGetForUnity.PluginAPI/Models/INugetPackageIdentifier.cs
+++ b/src/NuGetForUnity.PluginAPI/Models/INugetPackageIdentifier.cs
@@ -11,10 +11,10 @@ public interface INugetPackageIdentifier
         string Id { get; }
 
         /// <summary>
-        ///     Gets the normalized version number of the NuGet package.
+        ///     Gets or sets the normalized version number of the NuGet package.
         ///     This is the normalized version number without build-metadata e.g. <b>1.0.0+b3a8</b> is normalized to <b>1.0.0</b>.
         /// </summary>
-        string Version { get; }
+        string Version { get; set; }
 
         /// <summary>
         ///     Returns the folder path where this package is or will be installed.
diff --git a/src/NuGetForUnity.PluginAPI/Models/INugetPluginService.cs b/src/NuGetForUnity.PluginAPI/Models/INugetPluginService.cs
index 7423b279..a85d86b2 100644
--- a/src/NuGetForUnity.PluginAPI/Models/INugetPluginService.cs
+++ b/src/NuGetForUnity.PluginAPI/Models/INugetPluginService.cs
@@ -12,6 +12,11 @@ public interface INugetPluginService
         /// </summary>
         string ProjectAssetsDir { get; }
 
+        /// <summary>
+        ///     Gets the absolute path to the directory where packages are installed.
+        /// </summary>
+        string PackageInstallDir { get; }
+
         /// <summary>
         ///     Allows plugin to register a function that will modify the contents of default new nuspec file.
         /// </summary>
diff --git a/src/NuGetForUnity.PluginAPI/Models/INuspecFile.cs b/src/NuGetForUnity.PluginAPI/Models/INuspecFile.cs
index 207c070d..3c79a87a 100644
--- a/src/NuGetForUnity.PluginAPI/Models/INuspecFile.cs
+++ b/src/NuGetForUnity.PluginAPI/Models/INuspecFile.cs
@@ -5,6 +5,11 @@
     /// </summary>
     public interface INuspecFile : INugetPackageIdentifier
     {
+        /// <summary>
+        ///     Gets or sets the Id of the package.
+        /// </summary>
+        new string Id { get; set; }
+
         /// <summary>
         ///     Gets or sets the source control branch the package is from.
         /// </summary>
diff --git a/src/NuGetForUnity/Editor/Configuration/NugetConfigFile.cs b/src/NuGetForUnity/Editor/Configuration/NugetConfigFile.cs
index 3486b4a6..e0f451a3 100644
--- a/src/NuGetForUnity/Editor/Configuration/NugetConfigFile.cs
+++ b/src/NuGetForUnity/Editor/Configuration/NugetConfigFile.cs
@@ -84,7 +84,7 @@ public class NugetConfigFile
         public INugetPackageSource ActivePackageSource { get; private set; }
 
         /// <summary>
-        ///     Gets the local path where packages are to be installed.  It can be a full path or a relative path.
+        ///     Gets the absolute path where packages are to be installed.
         /// </summary>
         [NotNull]
         public string RepositoryPath { get; private set; } = Path.GetFullPath(Path.Combine(Application.dataPath, "Packages"));
diff --git a/src/NuGetForUnity/Editor/Configuration/NugetForUnityPluginId.cs b/src/NuGetForUnity/Editor/Configuration/NugetForUnityPluginId.cs
index c2d5c160..2144b969 100644
--- a/src/NuGetForUnity/Editor/Configuration/NugetForUnityPluginId.cs
+++ b/src/NuGetForUnity/Editor/Configuration/NugetForUnityPluginId.cs
@@ -1,6 +1,7 @@
 using System;
 using System.Reflection;
 using JetBrains.Annotations;
+using NugetForUnity.Helper;
 
 namespace NugetForUnity.Configuration
 {
@@ -17,7 +18,7 @@ internal sealed class NugetForUnityPluginId : IEquatable<NugetForUnityPluginId>
         internal NugetForUnityPluginId([NotNull] string name, [NotNull] string path)
         {
             Name = name;
-            Path = path;
+            Path = System.IO.Path.IsPathRooted(path) ? PathHelper.GetRelativePath(UnityPathHelper.AbsoluteProjectPath, path) : path;
         }
 
         /// <summary>
diff --git a/src/NuGetForUnity/Editor/InstalledPackagesManager.cs b/src/NuGetForUnity/Editor/InstalledPackagesManager.cs
index 176ed8d2..ac54dca9 100644
--- a/src/NuGetForUnity/Editor/InstalledPackagesManager.cs
+++ b/src/NuGetForUnity/Editor/InstalledPackagesManager.cs
@@ -8,6 +8,7 @@
 using NugetForUnity.Configuration;
 using NugetForUnity.Models;
 using NugetForUnity.PackageSource;
+using NugetForUnity.PluginSupport;
 using Debug = UnityEngine.Debug;
 
 namespace NugetForUnity
@@ -347,6 +348,7 @@ private static void AddPackageToInstalledInternal([NotNull] INugetPackage packag
             var packages = InstalledPackagesDictionary;
             if (!packages.ContainsKey(package.Id))
             {
+                PluginRegistry.Instance.ProcessInstalledPackage(package);
                 package.IsManuallyInstalled = GetPackageConfigurationById(package.Id)?.IsManuallyInstalled ?? false;
                 if (package.IsManuallyInstalled)
                 {
diff --git a/src/NuGetForUnity/Editor/NugetPackageUninstaller.cs b/src/NuGetForUnity/Editor/NugetPackageUninstaller.cs
index 44c04ed7..4b6a6585 100644
--- a/src/NuGetForUnity/Editor/NugetPackageUninstaller.cs
+++ b/src/NuGetForUnity/Editor/NugetPackageUninstaller.cs
@@ -76,7 +76,7 @@ public static void Uninstall([NotNull] INugetPackageIdentifier package, PackageU
         ///     Uninstalls all of the currently installed packages.
         /// </summary>
         /// <param name="packagesToUninstall">The list of packages to uninstall.</param>
-        internal static void UninstallAll([NotNull] [ItemNotNull] List<INugetPackage> packagesToUninstall)
+        public static void UninstallAll([NotNull] [ItemNotNull] List<INugetPackage> packagesToUninstall)
         {
             foreach (var package in packagesToUninstall)
             {
diff --git a/src/NuGetForUnity/Editor/PluginAPI/NuGetForUnity.PluginAPI.dll b/src/NuGetForUnity/Editor/PluginAPI/NuGetForUnity.PluginAPI.dll
index 607e3f53d30e0429e4b5b82284fc6e8b4d40f8a3..a37ea353df789a0164e72f681f30873d8ac1c221 100644
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diff --git a/src/NuGetForUnity/Editor/PluginAPI/NuGetForUnity.PluginAPI.xml b/src/NuGetForUnity/Editor/PluginAPI/NuGetForUnity.PluginAPI.xml
index 3c662983..566bd17f 100644
--- a/src/NuGetForUnity/Editor/PluginAPI/NuGetForUnity.PluginAPI.xml
+++ b/src/NuGetForUnity/Editor/PluginAPI/NuGetForUnity.PluginAPI.xml
@@ -4,6 +4,17 @@
         <name>NuGetForUnity.PluginAPI</name>
     </assembly>
     <members>
+        <member name="T:NugetForUnity.PluginAPI.ExtensionPoints.IFoundInstalledPackageHandler">
+            <summary>
+                Implement this interface to add additional handling for each found installed package.
+            </summary>
+        </member>
+        <member name="M:NugetForUnity.PluginAPI.ExtensionPoints.IFoundInstalledPackageHandler.ProcessInstalledPackage(NugetForUnity.PluginAPI.Models.INugetPackage)">
+            <summary>
+                This will be called for each found installed package in the project.
+            </summary>
+            <param name="installedPackage">The installedPackage created from found nuspec file.</param>
+        </member>
         <member name="T:NugetForUnity.PluginAPI.ExtensionPoints.IPackageButtonsHandler">
             <summary>
                 Implement this interface to add additional buttons for each package in NugetForUnity window.
@@ -97,6 +108,12 @@
             </summary>
             <param name="packageUninstallHandler">The package uninstall handler to register.</param>
         </member>
+        <member name="M:NugetForUnity.PluginAPI.INugetPluginRegistry.RegisterFoundInstalledPackageHandler(NugetForUnity.PluginAPI.ExtensionPoints.IFoundInstalledPackageHandler)">
+            <summary>
+                Register a class that will be called when installed package is found.
+            </summary>
+            <param name="foundInstalledPackageHandler">The found installed package handler to register.</param>
+        </member>
         <member name="T:NugetForUnity.PluginAPI.Models.INugetPackage">
             <summary>
                 Represents a NuGet package.
@@ -130,7 +147,7 @@
         </member>
         <member name="P:NugetForUnity.PluginAPI.Models.INugetPackageIdentifier.Version">
             <summary>
-                Gets the normalized version number of the NuGet package.
+                Gets or sets the normalized version number of the NuGet package.
                 This is the normalized version number without build-metadata e.g. <b>1.0.0+b3a8</b> is normalized to <b>1.0.0</b>.
             </summary>
         </member>
@@ -157,6 +174,11 @@
                 Gets the absolute path to the projects Assets directory.
             </summary>
         </member>
+        <member name="P:NugetForUnity.PluginAPI.Models.INugetPluginService.PackageInstallDir">
+            <summary>
+                Gets the absolute path to the directory where packages are installed.
+            </summary>
+        </member>
         <member name="M:NugetForUnity.PluginAPI.Models.INugetPluginService.RegisterNuspecCustomizer(System.Action{NugetForUnity.PluginAPI.Models.INuspecFile})">
             <summary>
                 Allows plugin to register a function that will modify the contents of default new nuspec file.
@@ -194,6 +216,11 @@
                 Represents a .nuspec file used to store metadata for a NuGet package.
             </summary>
         </member>
+        <member name="P:NugetForUnity.PluginAPI.Models.INuspecFile.Id">
+            <summary>
+                Gets or sets the Id of the package.
+            </summary>
+        </member>
         <member name="P:NugetForUnity.PluginAPI.Models.INuspecFile.RepositoryBranch">
             <summary>
                 Gets or sets the source control branch the package is from.
diff --git a/src/NuGetForUnity/Editor/PluginSupport/NugetPluginService.cs b/src/NuGetForUnity/Editor/PluginSupport/NugetPluginService.cs
index d23cbd5b..24b5b00b 100644
--- a/src/NuGetForUnity/Editor/PluginSupport/NugetPluginService.cs
+++ b/src/NuGetForUnity/Editor/PluginSupport/NugetPluginService.cs
@@ -1,6 +1,7 @@
 using System;
 using System.Collections.Generic;
 using System.IO;
+using NugetForUnity.Configuration;
 using NugetForUnity.Helper;
 using NugetForUnity.PluginAPI.Models;
 using NugetForUnity.Ui;
@@ -16,6 +17,9 @@ public sealed class NugetPluginService : INugetPluginService, IDisposable
         /// <inheritdoc />
         public string ProjectAssetsDir => UnityPathHelper.AbsoluteAssetsPath;
 
+        /// <inheritdoc />
+        public string PackageInstallDir => ConfigurationManager.NugetConfigFile.RepositoryPath;
+
         /// <inheritdoc />
         public void RegisterNuspecCustomizer(Action<INuspecFile> customizer)
         {
diff --git a/src/NuGetForUnity/Editor/PluginSupport/PluginRegistry.cs b/src/NuGetForUnity/Editor/PluginSupport/PluginRegistry.cs
index 2c1ca22a..e0b3324e 100644
--- a/src/NuGetForUnity/Editor/PluginSupport/PluginRegistry.cs
+++ b/src/NuGetForUnity/Editor/PluginSupport/PluginRegistry.cs
@@ -14,7 +14,12 @@ namespace NugetForUnity.PluginSupport
     /// <summary>
     ///     Plugin Registry loads the plugins and provides methods for calling them.
     /// </summary>
-    internal class PluginRegistry : INugetPluginRegistry, IPackageButtonsHandler, IPackageInstallFileHandler, IPackageUninstallHandler
+    internal class PluginRegistry :
+        INugetPluginRegistry,
+        IPackageButtonsHandler,
+        IPackageInstallFileHandler,
+        IPackageUninstallHandler,
+        IFoundInstalledPackageHandler
     {
         private readonly List<IPackageButtonsHandler> packageButtonsHandlers = new List<IPackageButtonsHandler>();
 
@@ -22,6 +27,8 @@ internal class PluginRegistry : INugetPluginRegistry, IPackageButtonsHandler, IP
 
         private readonly List<IPackageUninstallHandler> packageUninstallHandlers = new List<IPackageUninstallHandler>();
 
+        private readonly List<IFoundInstalledPackageHandler> foundInstalledPackageHandlers = new List<IFoundInstalledPackageHandler>();
+
         /// <summary>
         ///     Gets the static instance of PluginRegistry.
         /// </summary>
@@ -120,6 +127,12 @@ public void RegisterPackageUninstallHandler(IPackageUninstallHandler packageUnin
             packageUninstallHandlers.Add(packageUninstallHandler);
         }
 
+        /// <inheritdoc />
+        public void RegisterFoundInstalledPackageHandler(IFoundInstalledPackageHandler foundInstalledPackageHandler)
+        {
+            foundInstalledPackageHandlers.Add(foundInstalledPackageHandler);
+        }
+
         /// <inheritdoc />
         public void DrawButtons(INugetPackage package, INugetPackage installedPackage, bool existsInUnity)
         {
@@ -188,5 +201,21 @@ public void HandleUninstalledAll()
                 }
             }
         }
+
+        /// <inheritdoc />
+        public void ProcessInstalledPackage(INugetPackage installedPackage)
+        {
+            foreach (var foundInstalledPackageHandler in foundInstalledPackageHandlers)
+            {
+                try
+                {
+                    foundInstalledPackageHandler.ProcessInstalledPackage(installedPackage);
+                }
+                catch (Exception e)
+                {
+                    Debug.LogError($"Exception while executing ProcessInstalledPackage plugin handler {e}");
+                }
+            }
+        }
     }
 }