93 lines
3.5 KiB
C#
93 lines
3.5 KiB
C#
using System.Text.Json;
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using System.Text.Json.Serialization;
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using Elsa.Api.Client.ActivityProviders;
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using Elsa.Api.Client.Contracts;
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using Elsa.Api.Client.Converters;
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using Elsa.Api.Client.Options;
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using Elsa.Api.Client.Resources.ActivityDescriptors.Contracts;
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using Elsa.Api.Client.Resources.Identity.Contracts;
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using Elsa.Api.Client.Resources.WorkflowDefinitions.Contracts;
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using Elsa.Api.Client.Services;
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using JetBrains.Annotations;
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using Microsoft.Extensions.DependencyInjection;
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using Microsoft.Extensions.Options;
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using Refit;
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namespace Elsa.Api.Client.Extensions;
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/// <summary>
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/// Provides extension methods for dependency injection.
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/// </summary>
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[PublicAPI]
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public static class DependencyInjectionExtensions
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{
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/// <summary>
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/// Adds the Elsa client to the service collection.
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/// </summary>
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public static IServiceCollection AddElsaClient(this IServiceCollection services, Action<ElsaClientOptions> configureOptions)
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{
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services.Configure(configureOptions);
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services.AddSingleton<IElsaClient, ElsaClient>();
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services.AddActivityTypeService();
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services.AddApi<IWorkflowDefinitionsApi>(CreateRefitSettings);
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services.AddApi<IActivityDescriptorsApi>(CreateRefitSettings);
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services.AddApi<ILoginApi>(CreateRefitSettings);
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return services;
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}
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/// <summary>
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/// Adds activity type services to the service collection.
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/// </summary>
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public static IServiceCollection AddActivityTypeService(this IServiceCollection services)
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{
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services.AddSingleton<IActivityTypeService, DefaultActivityTypeService>();
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services.AddActivityTypeResolver<DefaultActivityTypeResolver>();
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services.AddActivityTypeResolver<FlowchartActivityTypeResolver>();
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return services;
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}
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/// <summary>
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/// Adds a refit client for the specified API type.
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/// </summary>
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/// <param name="services">The service collection.</param>
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/// <param name="settings">The refit settings.</param>
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/// <typeparam name="T">The API type.</typeparam>
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public static void AddApi<T>(this IServiceCollection services, Func<IServiceProvider, RefitSettings> settings) where T : class
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{
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services.AddRefitClient<T>(settings)
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.ConfigureHttpClient(ConfigureElsaApiHttpClient);
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}
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public static IServiceCollection AddActivityTypeResolver<T>(this IServiceCollection services) where T : class, IActivityTypeResolver
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{
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return services.AddSingleton<IActivityTypeResolver, T>();
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}
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private static void ConfigureElsaApiHttpClient(IServiceProvider serviceProvider, HttpClient httpClient)
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{
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var options = serviceProvider.GetRequiredService<IOptions<ElsaClientOptions>>().Value;
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httpClient.BaseAddress = options.BaseAddress;
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}
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private static RefitSettings CreateRefitSettings(IServiceProvider serviceProvider)
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{
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JsonSerializerOptions jsonSerializerSettings = new()
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{
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PropertyNamingPolicy = JsonNamingPolicy.CamelCase,
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};
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jsonSerializerSettings.Converters.Add(new JsonStringEnumConverter());
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jsonSerializerSettings.Converters.Add(new VersionOptionsJsonConverter());
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jsonSerializerSettings.Converters.Add(new ActivityJsonConverterFactory(serviceProvider));
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jsonSerializerSettings.Converters.Add(new ExpressionJsonConverterFactory());
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var settings = new RefitSettings
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{
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ContentSerializer = new SystemTextJsonContentSerializer(jsonSerializerSettings)
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};
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return settings;
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}
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} |