using Consul;
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using Furion;
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using Furion.DatabaseAccessor;
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using Furion.DataEncryption;
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using Furion.DistributedIDGenerator;
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using Furion.DynamicApiController;
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using Furion.FriendlyException;
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using Furion.HttpRemote;
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using Mapster;
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using MediatR;
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using Microsoft.AspNetCore.Mvc;
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using Microsoft.AspNetCore.Mvc.ActionConstraints;
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using Microsoft.AspNetCore.Mvc.Controllers;
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using Microsoft.AspNetCore.Routing;
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using Microsoft.EntityFrameworkCore;
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using Microsoft.Extensions.Caching.Distributed;
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using Microsoft.Extensions.DependencyInjection;
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using System;
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using System.Collections.Generic;
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using System.ComponentModel;
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using System.Diagnostics;
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using System.Linq;
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using System.Net.Http;
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using System.Net.Http.Headers;
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using System.Reflection;
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using System.Resources;
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using System.Text;
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using System.Text.RegularExpressions;
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using System.Threading;
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using System.Threading.Tasks;
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using static System.Collections.Specialized.BitVector32;
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namespace FlexJobApi.Core
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{
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/// <summary>
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/// 资源工具
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/// </summary>
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public static class ResourceUtils
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{
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/// <summary>
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/// 生成动态控制器
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/// </summary>
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public static async Task BuildDynamicControllersAsync()
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{
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var traceId = App.GetTraceId() ?? IDGen.NextID().ToString();
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var scopeFactory = App.GetService<IServiceScopeFactory>();
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var serviceScope = scopeFactory.CreateScope();
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var provider = serviceScope.ServiceProvider.GetRequiredService<IDynamicApiRuntimeChangeProvider>();
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var rep = serviceScope.ServiceProvider.GetRequiredService<IRepository<Resource>>();
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var xmlDoc = await XmlDocUtils.GetXmlDocAsync();
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var enumWebApiMethods = await EnumUtils.GetModel<EnumResourceMethod>();
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var resourceControllers = await EnumUtils.GetModel<EnumResourceController>();
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var requests = App.Assemblies
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.SelectMany(it => it.GetTypes())
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.Where(it => !it.IsAbstract && typeof(IBaseRequest).IsAssignableFrom(it))
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.ToList();
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var models = new List<ResourceModel>();
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foreach (var request in requests)
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{
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var resourceAttribute = request.GetCustomAttribute<ResourceAttribute>();
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if (resourceAttribute == null) throw Oops.Oh(EnumErrorCodeType.s404, $"请给资源{request.Name}分配服务特性Resource");
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foreach (var controller in resourceAttribute.Controllers)
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{
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var requestXmlDoc = await request.GetXmlDocMemberAsync(xmlDoc);
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var resourceController = controller.GetCustomAttribute<EnumResourceController, ResourceControllerAttribute>();
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var resourceService = resourceController.Service.GetCustomAttribute<EnumResourceService, ResourceServiceAttribute>();
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var model = new ResourceModel();
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model.TraceId = traceId;
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model.ApplicationName = resourceService.ApplicationName;
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model.Controller = controller;
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model.ControllerSummary = resourceControllers.GetDescription(controller);
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model.ActionName = Regex.Replace(request.Name, @"(Command|Query)$", "", RegexOptions.None);
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model.ActionSummary = requestXmlDoc?.Summary;
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model.Service = resourceController.Service;
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model.ServiceName = resourceService.ServiceName;
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model.RouteArea = resourceService.RouteArea;
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model.Route = $"/api/{resourceService.RouteArea ?? "main"}/{controller}/{model.ActionName}";
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model.Method =
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resourceAttribute.Method.HasValue
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? resourceAttribute.Method.Value
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: request.BaseType?.IsGenericType == true && request.BaseType.GetGenericTypeDefinition() == typeof(PagedListQuery<,>)
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? EnumResourceMethod.Post
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: new List<string> { "Post", "Add", "Create", "Insert", "Submit" }.Any(it => request.Name.StartsWith(it, StringComparison.OrdinalIgnoreCase))
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? EnumResourceMethod.Post
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: new List<string> { "GetAll", "GetList", "Get", "Find", "Fetch", "Query" }.Any(it => request.Name.StartsWith(it, StringComparison.OrdinalIgnoreCase))
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? EnumResourceMethod.Get
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: new List<string> { "Put", "Update ", "Set" }.Any(it => request.Name.StartsWith(it, StringComparison.OrdinalIgnoreCase))
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? EnumResourceMethod.Put
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: new List<string> { "Delete", "Remove ", "Clear" }.Any(it => request.Name.StartsWith(it, StringComparison.OrdinalIgnoreCase))
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? EnumResourceMethod.Delete
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: EnumResourceMethod.Post;
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model.FileUpload = resourceAttribute.FileUpload;
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model.Code = requestXmlDoc?.Name;
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model.Name = $"{model.ControllerSummary}-{model.ActionSummary}";
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model.AllowAnonymous = resourceAttribute.AllowAnonymous;
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model.RequestTypeName = request.Name;
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model.RequestTypeFullName = request.FullName;
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var iRequestType = request.GetInterface("IRequest`1");
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if (iRequestType != null && iRequestType.IsGenericType)
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{
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var responseType = iRequestType.GenericTypeArguments[0];
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model.ResponseTypeName = responseType.GetCSharpFriendlyName();
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model.ResponseTypeFullName = responseType.FullName;
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}
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models.Add(model);
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await App.GetRequiredService<IDistributedCache>().SetStringAsync($"ResourceModel|{model.RequestTypeFullName}", model.ToJson());
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}
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}
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var resources = await SaveResourcesAsync(models, rep);
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DynamicControllersHotPlug(resources, provider);
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await rep.SaveNowAsync();
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}
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/// <summary>
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/// 保存资源
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/// </summary>
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/// <param name="models"></param>
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/// <param name="traceId"></param>
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/// <param name="rep"></param>
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/// <returns></returns>
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private static async Task<List<Resource>> SaveResourcesAsync(List<ResourceModel> models, IRepository<Resource> rep = null)
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{
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rep = rep ?? Db.GetRepository<Resource>();
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var resources = await rep.AsQueryable()
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.Where(it => !it.IsExpired)
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.ToListAsync();
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foreach (var model in models)
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{
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var resource = resources.FirstOrDefault(it => it.Route == model.Route && it.Method == model.Method);
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if (resource == null)
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{
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resource = new Resource();
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resource.Id = IDGen.NextID();
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resource.CreatedTime = DateTimeOffset.Now;
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model.Adapt(resource);
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await rep.InsertAsync(resource);
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resources.Add(resource);
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}
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else
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{
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var resourceBakModel = new ResourceModel();
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resource.Adapt(resourceBakModel);
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resourceBakModel.TraceId = model.TraceId;
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resourceBakModel.DynamicAssemblyName = model.DynamicAssemblyName;
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if (resourceBakModel.ToJson() != model.ToJson())
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{
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model.Adapt(resource);
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resource.UpdatedTime = DateTimeOffset.Now;
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await rep.UpdateAsync(resource);
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}
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}
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}
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var expiredResources = resources.Where(it => !models.Any(m => m.Route == it.Route && m.Method == it.Method)).ToList();
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foreach (var expiredResource in expiredResources)
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{
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resources.Remove(expiredResource);
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await rep.DeleteAsync(expiredResource);
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}
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return resources.Where(it => !it.IsExpired).ToList();
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}
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/// <summary>
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/// 动态控制器热插
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/// </summary>
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/// <param name="resources"></param>
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/// <param name="provider"></param>
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public static void DynamicControllersHotPlug(List<Resource> resources, IDynamicApiRuntimeChangeProvider provider = null)
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{
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provider = provider ?? App.GetRequiredService<IDynamicApiRuntimeChangeProvider>();
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var controllers = resources
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.GroupBy(it => new
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{
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it.ApplicationName,
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it.Controller,
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it.ControllerSummary,
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it.RouteArea
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})
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.Select(it => new
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{
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it.Key,
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Actions = it.ToList()
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})
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.ToList();
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foreach (var controller in controllers)
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{
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var code = $@"
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using FlexJobApi.Core;
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using Furion.DynamicApiController;
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using Furion.FriendlyException;
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using MediatR;
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using Microsoft.AspNetCore.Authorization;
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using Microsoft.AspNetCore.Mvc;
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using System;
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using System.Threading.Tasks;
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using System.Collections.Generic;
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using System.ComponentModel;
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namespace {controller.Key.ApplicationName}.{controller.Key.Controller}
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{{
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/// <summary>
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/// {controller.Key.ControllerSummary}
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/// </summary>
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[Route(""api/{controller.Key.RouteArea}/[controller]"")]
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public class {controller.Key.Controller}AppService(IMediator mediator) : IDynamicApiController
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{{
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private readonly IMediator mediator = mediator;";
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foreach (var action in controller.Actions)
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{
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var result = action.ResponseTypeName.IsNull() ? "Task" : $"Task<{action.ResponseTypeName}>";
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code += @$"
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/// <summary>
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/// {action.ActionSummary}
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/// </summary>
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/// <param name=""request""></param>
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/// <returns></returns>";
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if (action.AllowAnonymous)
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{
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code += $@"
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[AllowAnonymous]";
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}
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code += $@"
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[Http{action.Method}]";
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if (action.FileUpload)
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{
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code += @"
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[Consumes(""multipart/form-data"")]";
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}
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code += @$"
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public {result} {action.ActionName}(";
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if (action.FileUpload)
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{
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code += "[FromForm] ";
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}
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code += $@"{action.RequestTypeName} request)
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{{
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return mediator.Send(request);
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}}";
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}
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code += @"
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}
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}
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";
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try
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{
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var dynamicAssembly = App.CompileCSharpClassCode(code);
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provider.AddAssembliesWithNotifyChanges(dynamicAssembly);
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var dynamicAssemblyName = dynamicAssembly.GetName().Name;
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foreach (var action in controller.Actions)
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{
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action.DynamicAssemblyName = dynamicAssemblyName;
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}
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}
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catch (Exception ex)
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{
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Console.WriteLine(code);
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throw;
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}
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}
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}
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/// <summary>
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/// 动态控制器热拔
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/// </summary>
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/// <param name="resource"></param>
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/// <param name="provider"></param>
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public static void DynamicControllerHotPluck(Resource resource, IDynamicApiRuntimeChangeProvider provider = null)
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{
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provider = provider ?? App.GetRequiredService<IDynamicApiRuntimeChangeProvider>();
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provider.RemoveAssembliesWithNotifyChanges(resource.DynamicAssemblyName);
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}
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/// <summary>
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/// 获取C#友好名称
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/// </summary>
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/// <param name="type"></param>
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/// <returns></returns>
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private static string GetCSharpFriendlyName(this Type type)
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{
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// 处理可空类型
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if (type.IsGenericType && type.GetGenericTypeDefinition() == typeof(Nullable<>))
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{
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Type underlyingType = Nullable.GetUnderlyingType(type)!;
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return $"{GetCSharpFriendlyName(underlyingType)}?";
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}
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// 处理基础类型
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if (type.FullName.IsNotNull())
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{
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var baseTypes = new Dictionary<string, string>
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{
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{ "System.Byte", "byte" },
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{ "System.SByte", "sbyte" },
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{ "System.Int16", "short" },
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{ "System.UInt16", "ushort" },
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{ "System.Int32", "int" },
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{ "System.UInt32", "uint" },
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{ "System.Int64", "long" },
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{ "System.UInt64", "ulong" },
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{ "System.Single", "float" },
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{ "System.Double", "double" },
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{ "System.Decimal", "decimal" },
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{ "System.Char", "char" },
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{ "System.Boolean", "bool" },
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{ "System.String", "string" },
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{ "System.Object", "object" }
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};
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if (baseTypes.TryGetValue(type.FullName, out string? friendlyName) && friendlyName.IsNotNull())
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{
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return friendlyName;
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}
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}
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// 处理非泛型类型
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if (!type.IsGenericType)
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{
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return type.Name;
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}
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// 处理泛型类型
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string genericTypeName = type.GetGenericTypeDefinition().Name;
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if (genericTypeName.Contains('`'))
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genericTypeName = genericTypeName.Substring(0, genericTypeName.IndexOf('`'));
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string[] genericArgs = type.GetGenericArguments()
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.Select(GetCSharpFriendlyName)
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.ToArray();
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return $"{genericTypeName}<{string.Join(", ", genericArgs)}>";
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}
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}
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}
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