141 lines
4.7 KiB
C#
141 lines
4.7 KiB
C#
using CloudBuilder.Core.Application.Options;
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using CloudBuilder.Core.Application.Packs;
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using Microsoft.EntityFrameworkCore.Metadata;
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using Microsoft.Extensions.Configuration;
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using Microsoft.Extensions.DependencyInjection;
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using Microsoft.Extensions.DependencyModel;
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using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Reflection;
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using System.Security.AccessControl;
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using System.Text;
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using System.Threading.Tasks;
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namespace CloudBuilder.Core.Application.Builders
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{
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/// <summary>
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/// CloudBuilder构建器
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/// </summary>
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public class CloudBuilderBuilder
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{
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public CloudBuilderBuilder(IServiceCollection services, IConfiguration configuration)
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{
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this.Services = services;
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AddOptions(configuration);
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}
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/// <summary>
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/// 获取 服务集合
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/// </summary>
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public IServiceCollection Services { get; }
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/// <summary>
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/// 获取 CloudBuilder选项配置委托
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/// </summary>
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public CloudBuilderOptions CloudBuilderOptions { get; private set; }
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/// <summary>
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/// 添加所有模块
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/// </summary>
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/// <typeparam name="TPack">要添加的模块类型</typeparam>
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public CloudBuilderBuilder AddPack()
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{
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var baseType = typeof(CloudBuilderPack);
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var allAssemblies = GetAssemblies();
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var types = allAssemblies
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.SelectMany(a => a.DefinedTypes)
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.Select(type => type.AsType())
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.Where(type => type != baseType && baseType.IsAssignableFrom(type))
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.Where(x => x.IsClass)
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.OrderBy(x => x.GetCustomAttribute<PackLevelAttribute>()?.Level).ToList();
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foreach (var implementType in types)
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{
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if (Services.Any(m => m.ServiceType == baseType && m.ImplementationType == implementType))
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{
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continue;
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}
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//注入CloudBuilderPack模块内的服务
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CloudBuilderPack pack = (CloudBuilderPack)Activator.CreateInstance(
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implementType,
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BindingFlags.Public | BindingFlags.Instance,
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null,
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null,
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null);
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pack.AddServices(Services, this);
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}
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return this;
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}
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/// <summary>
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/// 添加CloudBuilder选项配置
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/// </summary>
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/// <param name="optionsAction">CloudBuilder操作选项</param>
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/// <returns>CloudBuilder构建器</returns>
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public CloudBuilderBuilder AddOptions(IConfiguration configuration)
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{
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CloudBuilderOptions options = new CloudBuilderOptions();
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new CloudBuilderOptionsSetup(configuration).Configure(options);
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CloudBuilderOptions = options;
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return this;
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}
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public T GetTransientService<T>()
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{
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object? t = Services.BuildServiceProvider().GetService(typeof(T));
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if (t == null) return default(T)!;
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return (T)t;
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}
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public T GetTransientRequiredService<T>()
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{
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return (T)Services.BuildServiceProvider().GetRequiredService(typeof(T));
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}
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public static Assembly[] GetAssemblies()
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{
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// 获取入口程序集
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var entryAssembly = Assembly.GetEntryAssembly();
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List<string> reference = new List<string>();
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if (!string.IsNullOrWhiteSpace(entryAssembly.Location))
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{
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var dependencyContext = DependencyContext.Default;
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// 读取项目程序集或 Furion 官方发布的包，或手动添加引用的dll，或配置特定的包前缀
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reference = dependencyContext.RuntimeLibraries
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.Where(u => u.Type == "project" || u.Type == "reference")
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.Select(x => x.Name).ToList();
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}
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string[] filters =
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{
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"mscorlib",
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"netstandard",
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"dotnet",
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"api-ms-win-core",
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"runtime.",
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"System",
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"Microsoft",
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"Window",
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};
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//遍历文件夹的方式，用于传统.netfx
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string path = AppContext.BaseDirectory;
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string[] files = Directory.GetFiles(path, "*.dll", SearchOption.TopDirectoryOnly)
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.Where(x => reference.Contains(Path.GetFileNameWithoutExtension(x))).ToArray();
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return files.Where(file => filters.All(token => Path.GetFileName(file)?.StartsWith(token) != true)).Select(Assembly.LoadFrom).ToArray();
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}
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}
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}
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