89 lines
3.1 KiB
C#
89 lines
3.1 KiB
C#
using System;
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using System.IO;
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using System.Collections.Generic;
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using System.Reflection;
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using SharedLibraryCore.Interfaces;
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using System.Linq;
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using SharedLibraryCore;
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using IW4MAdmin.Application.Misc;
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namespace IW4MAdmin.Application.Helpers
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{
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/// <summary>
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/// implementation of IPluginImporter
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/// discovers plugins and script plugins
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/// </summary>
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public class PluginImporter : IPluginImporter
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{
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private static readonly string PLUGIN_DIR = "Plugins";
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private readonly ILogger _logger;
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public PluginImporter(ILogger logger)
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{
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_logger = logger;
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}
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/// <summary>
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/// discovers all the script plugins in the plugins dir
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/// </summary>
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/// <returns></returns>
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public IEnumerable<IPlugin> DiscoverScriptPlugins()
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{
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string pluginDir = $"{Utilities.OperatingDirectory}{PLUGIN_DIR}{Path.DirectorySeparatorChar}";
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if (Directory.Exists(pluginDir))
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{
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string[] scriptPluginFiles = Directory.GetFiles(pluginDir, "*.js");
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_logger.WriteInfo($"Discovered {scriptPluginFiles.Length} potential script plugins");
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if (scriptPluginFiles.Length > 0)
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{
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foreach (string fileName in scriptPluginFiles)
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{
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_logger.WriteInfo($"Discovered script plugin {fileName}");
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var plugin = new ScriptPlugin(fileName);
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yield return plugin;
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}
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}
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}
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}
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/// <summary>
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/// discovers all the C# assembly plugins and commands
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/// </summary>
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/// <returns></returns>
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public (IEnumerable<Type>, IEnumerable<Type>) DiscoverAssemblyPluginImplementations()
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{
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string pluginDir = $"{Utilities.OperatingDirectory}{PLUGIN_DIR}{Path.DirectorySeparatorChar}";
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var pluginTypes = Enumerable.Empty<Type>();
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var commandTypes = Enumerable.Empty<Type>();
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if (Directory.Exists(pluginDir))
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{
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var dllFileNames = Directory.GetFiles(pluginDir, "*.dll");
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_logger.WriteInfo($"Discovered {dllFileNames.Length} potential plugin assemblies");
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if (dllFileNames.Length > 0)
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{
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var assemblies = dllFileNames.Select(_name => Assembly.LoadFrom(_name));
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pluginTypes = assemblies
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.SelectMany(_asm => _asm.GetTypes())
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.Where(_assemblyType => _assemblyType.GetInterface(nameof(IPlugin), false) != null);
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_logger.WriteInfo($"Discovered {pluginTypes.Count()} plugin implementations");
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commandTypes = assemblies
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.SelectMany(_asm => _asm.GetTypes())
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.Where(_assemblyType => _assemblyType.IsClass && _assemblyType.BaseType == typeof(Command));
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_logger.WriteInfo($"Discovered {commandTypes.Count()} plugin commands");
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}
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}
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return (pluginTypes, commandTypes);
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}
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}
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}
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