增加全局配置HttpApiOptions

Author: xljiulang

WebApiClientCore.Test/Microsoft.Extensions/DependencyInjection/DependencyInjectionTest.cs

@@ -41,7 +41,7 @@ public static void ConfigureHttpApiTest()
             var name = HttpApi.GetName(typeof(IDiApi));
             var options = services.GetService<IOptionsMonitor<HttpApiOptions>>().Get(name);
             Assert.True(options.HttpHost == host);
-        } 
+        }
 
         [Fact]
         public static void ConfigureHttpApiNoGenericTest()
@@ -60,6 +60,32 @@ public static void ConfigureHttpApiNoGenericTest()
         }
 
 
+        [Fact]
+        public static void ConfigureHttpApiWithDefaultTest()
+        {
+            var di = new ServiceCollection();
+            var host = new Uri("http://www.x.com");
+            di.AddHttpApi<IDiApi>();
+            di.ConfigureHttpApi<IDiApi>(o =>
+            {
+                o.HttpHost = host;
+                Assert.True(o.UseParameterPropertyValidate == false);
+                Assert.True(o.UseReturnValuePropertyValidate == true);
+            });
+            di.AddWebApiClient().ConfigureHttpApi(o =>
+            {
+                o.UseParameterPropertyValidate = false;
+                o.UseReturnValuePropertyValidate = true;
+            });
+            var services = di.BuildServiceProvider();
+
+            var name = HttpApi.GetName(typeof(IDiApi));
+            var options = services.GetService<IOptionsMonitor<HttpApiOptions>>().Get(name);
+            Assert.True(options.HttpHost == host);
+            Assert.True(options.UseParameterPropertyValidate == false);
+            Assert.True(options.UseReturnValuePropertyValidate == true);
+        }
+
         public interface IDiApi
         {
         }

WebApiClientCore/DependencyInjection/WebApiClientBuilderExtensions.cs

@@ -1,4 +1,9 @@
-using Microsoft.Extensions.DependencyInjection.Extensions;
+using Microsoft.Extensions.Configuration;
+using Microsoft.Extensions.DependencyInjection.Extensions;
+using Microsoft.Extensions.Options;
+using System;
+using System.Collections.Generic;
+using System.Linq;
 using WebApiClientCore;
 using WebApiClientCore.Implementations;
 
@@ -24,6 +29,7 @@ public static IWebApiClientBuilder AddWebApiClient(this IServiceCollection servi
         {
             services.AddOptions();
             services.AddMemoryCache();
+            services.TryAddTransient<IOptionsFactory<HttpApiOptions>, HttpApiOptionsFactory>();
 
             services.TryAddSingleton(typeof(IHttpApiActivator<>), typeof(DefaultHttpApiActivator<>));
             services.TryAddSingleton<IApiActionDescriptorProvider, DefaultApiActionDescriptorProvider>();
@@ -45,6 +51,42 @@ public static IWebApiClientBuilder UseJsonFirstApiActionDescriptor(this IWebApiC
             return builder;
         }
 
+        /// <summary>
+        /// 配置HttpApiOptions的默认值
+        /// </summary>
+        /// <param name="builder"></param>  
+        /// <param name="configureOptions">配置选项</param>
+        /// <returns></returns>
+        public static IWebApiClientBuilder ConfigureHttpApi(this IWebApiClientBuilder builder, Action<HttpApiOptions, IServiceProvider> configureOptions)
+        {
+            builder.Services.AddOptions<HttpApiOptions>().Configure(configureOptions);
+            return builder;
+        }
+
+        /// <summary>
+        /// 配置HttpApiOptions的默认值
+        /// </summary>
+        /// <param name="builder"></param>  
+        /// <param name="configureOptions">配置选项</param>
+        /// <returns></returns>
+        public static IWebApiClientBuilder ConfigureHttpApi(this IWebApiClientBuilder builder, Action<HttpApiOptions> configureOptions)
+        {
+            builder.Services.AddOptions<HttpApiOptions>().Configure(configureOptions);
+            return builder;
+        }
+
+        /// <summary>
+        /// 配置HttpApiOptions的默认值
+        /// </summary>
+        /// <param name="builder"></param>  
+        /// <param name="configuration">配置</param>
+        /// <returns></returns>
+        public static IWebApiClientBuilder ConfigureHttpApi(this IWebApiClientBuilder builder, IConfiguration configuration)
+        {
+            builder.Services.AddOptions<HttpApiOptions>().Bind(configuration);
+            return builder;
+        }
+
         /// <summary>
         /// WebApiClient全局配置的Builder
         /// </summary>
@@ -60,5 +102,89 @@ public WebApiClientBuilder(IServiceCollection services)
                 this.Services = services;
             }
         }
+
+        /// <summary>
+        /// HttpApiOptions工厂
+        /// </summary>
+        private class HttpApiOptionsFactory : IOptionsFactory<HttpApiOptions>
+        {
+            private readonly IConfigureOptions<HttpApiOptions>[] _setups;
+            private readonly IPostConfigureOptions<HttpApiOptions>[] _postConfigures;
+            private readonly IValidateOptions<HttpApiOptions>[] _validations;
+
+            /// <summary>
+            /// HttpApiOptions工厂
+            /// </summary>
+            /// <param name="setups"></param>
+            /// <param name="postConfigures"></param>
+            /// <param name="validations"></param>
+            public HttpApiOptionsFactory(IEnumerable<IConfigureOptions<HttpApiOptions>> setups, IEnumerable<IPostConfigureOptions<HttpApiOptions>> postConfigures, IEnumerable<IValidateOptions<HttpApiOptions>> validations)
+            {
+                _setups = setups as IConfigureOptions<HttpApiOptions>[] ?? setups.ToArray();
+                _postConfigures = postConfigures as IPostConfigureOptions<HttpApiOptions>[] ?? postConfigures.ToArray();
+                _validations = validations as IValidateOptions<HttpApiOptions>[] ?? validations.ToArray();
+            }
+
+            /// <summary>
+            /// 创建Options
+            /// </summary>
+            /// <param name="name"></param>
+            /// <returns></returns>
+            public HttpApiOptions Create(string name)
+            {
+                var defaultOptions = this.Create(Options.Options.DefaultName, default);
+                return this.Create(name, defaultOptions);
+            }
+
+            /// <summary>
+            /// 创建Options
+            /// </summary>
+            /// <param name="name"></param>
+            /// <param name="options">传入的实例</param>
+            /// <returns></returns>
+            private HttpApiOptions Create(string name, HttpApiOptions? options)
+            {
+                if (options == null)
+                {
+                    options = new HttpApiOptions();
+                }
+
+                foreach (var setup in _setups)
+                {
+                    if (setup is IConfigureNamedOptions<HttpApiOptions> namedSetup)
+                    {
+                        namedSetup.Configure(name, options);
+                    }
+                    else if (name == Options.Options.DefaultName)
+                    {
+                        setup.Configure(options);
+                    }
+                }
+
+                foreach (var post in _postConfigures)
+                {
+                    post.PostConfigure(name, options);
+                }
+
+                if (_validations != null)
+                {
+                    var failures = new List<string>();
+                    foreach (var validate in _validations)
+                    {
+                        var result = validate.Validate(name, options);
+                        if (result != null && result.Failed)
+                        {
+                            failures.AddRange(result.Failures);
+                        }
+                    }
+                    if (failures.Count > 0)
+                    {
+                        throw new OptionsValidationException(name, typeof(HttpApiOptions), failures);
+                    }
+                }
+
+                return options;
+            }
+        }
     }
 }