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DefaultCompositionRoot.cs
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DefaultCompositionRoot.cs
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using System;
using System.Collections.Generic;
using System.Diagnostics.Contracts;
using System.Linq;
using System.Web.Http;
using System.Web.Http.Description;
using Swashbuckle.Application;
using Swashbuckle.OData.Descriptions;
using Swashbuckle.Swagger;
namespace Swashbuckle.OData
{
/// <summary>
/// Where default Swashbuckle.OData implementations are composed into the <see cref="ODataSwaggerProvider"/> object graph.
/// </summary>
internal static class DefaultCompositionRoot
{
public static IApiExplorer GetApiExplorer(HttpConfiguration httpConfiguration)
{
return new ODataApiExplorer(httpConfiguration, GetODataActionDescriptorExplorers(), GetApiDescriptionMappers());
}
private static IEnumerable<IODataActionDescriptorExplorer> GetODataActionDescriptorExplorers()
{
return new List<IODataActionDescriptorExplorer>
{
new SwaggerRouteStrategy(GetSwaggerRouteGenerators()),
new AttributeRouteStrategy()
};
}
private static IEnumerable<ISwaggerRouteGenerator> GetSwaggerRouteGenerators()
{
return new List<ISwaggerRouteGenerator>
{
new EntityDataModelRouteGenerator(),
new CustomSwaggerRouteGenerator()
};
}
private static IEnumerable<IODataActionDescriptorMapper> GetApiDescriptionMappers()
{
return new List<IODataActionDescriptorMapper>
{
new SwaggerOperationMapper(GetParameterMappers()),
new ODataActionDescriptorMapper()
};
}
private static IEnumerable<IParameterMapper> GetParameterMappers()
{
return new List<IParameterMapper>
{
new MapToODataActionParameter(),
new MapRestierParameter(),
new MapByParameterName(),
new MapByDescription(),
new MapByIndex(),
new MapToDefault()
};
}
public static SwaggerProviderOptions GetSwaggerProviderOptions(SwaggerDocsConfig swaggerDocsConfig)
{
Contract.Requires(swaggerDocsConfig != null);
AddGlobalDocumentFilters(swaggerDocsConfig);
return new SwaggerProviderOptions(
swaggerDocsConfig.GetFieldValue<Func<ApiDescription, string, bool>>("_versionSupportResolver"),
swaggerDocsConfig.GetFieldValue<IEnumerable<string>>("_schemes"),
swaggerDocsConfig.GetSecurityDefinitions(),
swaggerDocsConfig.GetFieldValue<bool>("_ignoreObsoleteActions"),
swaggerDocsConfig.GetFieldValue<Func<ApiDescription, string>>("_groupingKeySelector"),
swaggerDocsConfig.GetFieldValue<IComparer<string>>("_groupingKeyComparer"),
GetODataCustomSchemaMappings(swaggerDocsConfig),
swaggerDocsConfig.GetFieldValue<IList<Func<ISchemaFilter>>>("_schemaFilters", true).Select(factory => factory()),
swaggerDocsConfig.GetFieldValue<IList<Func<IModelFilter>>>("_modelFilters", true).Select(factory => factory()),
swaggerDocsConfig.GetFieldValue<bool>("_ignoreObsoleteProperties"),
swaggerDocsConfig.GetFieldValue<Func<Type, string>>("_schemaIdSelector"),
swaggerDocsConfig.GetFieldValue<bool>("_describeAllEnumsAsStrings"),
swaggerDocsConfig.GetFieldValue<bool>("_describeStringEnumsInCamelCase"),
GetODataOperationFilters(swaggerDocsConfig),
GetODataDocumentFilters(swaggerDocsConfig),
swaggerDocsConfig.GetFieldValue<Func<IEnumerable<ApiDescription>, ApiDescription>>("_conflictingActionsResolver")
);
}
/// <summary>
/// Gets custom schema mappings that will only be applied to OData operations.
/// </summary>
/// <param name="swaggerDocsConfig">The swagger docs configuration.</param>
/// <returns></returns>
private static IDictionary<Type, Func<Schema>> GetODataCustomSchemaMappings(SwaggerDocsConfig swaggerDocsConfig)
{
var customSchemaMappings = swaggerDocsConfig.GetFieldValue<IDictionary<Type, Func<Schema>>>("_customSchemaMappings", true);
customSchemaMappings[typeof(decimal)] = () => new Schema { type = "number", format = "decimal" };
return customSchemaMappings;
}
/// <summary>
/// Gets operation filters that will only be applied to OData operations.
/// </summary>
/// <param name="swaggerDocsConfig">The swagger docs configuration.</param>
private static IEnumerable<IOperationFilter> GetODataOperationFilters(SwaggerDocsConfig swaggerDocsConfig)
{
return swaggerDocsConfig.GetFieldValue<IList<Func<IOperationFilter>>>("_operationFilters", true)
.Select(factory => factory())
.Concat(new EnableQueryFilter());
}
/// <summary>
/// Gets document filters that will only be applied to the SwaggerDocument built from the OData ApiExplorer.
/// </summary>
/// <param name="swaggerDocsConfig">The swagger docs configuration.</param>
private static IEnumerable<IDocumentFilter> GetODataDocumentFilters(SwaggerDocsConfig swaggerDocsConfig)
{
return swaggerDocsConfig.GetFieldValue<IList<Func<IDocumentFilter>>>("_documentFilters", true)
.Select(factory => factory())
.Concat(new LimitSchemaGraphToTopLevelEntity());
}
/// <summary>
/// Adds document filters that will be applied to SwaggerDocuments built from WebApi and OData ApiExplorers.
/// </summary>
/// <param name="swaggerDocsConfig">The swagger docs configuration.</param>
private static void AddGlobalDocumentFilters(SwaggerDocsConfig swaggerDocsConfig)
{
Contract.Requires(swaggerDocsConfig != null);
swaggerDocsConfig.DocumentFilter(() => new EnsureUniqueOperationIdsFilter());
}
/// <summary>
/// Gets the API versions. I'd rather not use reflection because the implementation may change, but can't find a better way.
/// </summary>
/// <param name="swaggerDocsConfig">The swagger docs configuration.</param>
/// <returns></returns>
public static IDictionary<string, Info> GetApiVersions(SwaggerDocsConfig swaggerDocsConfig)
{
Contract.Requires(swaggerDocsConfig != null);
return swaggerDocsConfig.GetFieldValue<VersionInfoBuilder>("_versionInfoBuilder", true).Build();
}
}
}