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SwaggerDefaultValues.cs
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SwaggerDefaultValues.cs
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using Microsoft.AspNetCore.Mvc.ApiExplorer;
using Microsoft.OpenApi.Any;
using Microsoft.OpenApi.Models;
using Swashbuckle.AspNetCore.SwaggerGen;
using System.Linq;
namespace ODataTest
{
/// <summary>
/// Represents the Swagger/Swashbuckle operation filter used to document the implicit API version parameter.
/// </summary>
/// <remarks>This <see cref="IOperationFilter"/> is only required due to bugs in the <see cref="SwaggerGenerator"/>.
/// Once they are fixed and published, this class can be removed.</remarks>
public class SwaggerDefaultValues : IOperationFilter
{
/// <summary>
/// Applies the filter to the specified operation using the given context.
/// </summary>
/// <param name="operation">The operation to apply the filter to.</param>
/// <param name="context">The current operation filter context.</param>
public void Apply(OpenApiOperation operation, OperationFilterContext context)
{
var apiDescription = context.ApiDescription;
operation.Deprecated |= apiDescription.IsDeprecated();
if (operation.Parameters == null)
{
return;
}
// REF: https://github.com/domaindrivendev/Swashbuckle.AspNetCore/issues/412
// REF: https://github.com/domaindrivendev/Swashbuckle.AspNetCore/pull/413
foreach (var parameter in operation.Parameters)
{
var description = apiDescription.ParameterDescriptions.First(p => p.Name == parameter.Name);
if (parameter.Description == null)
{
parameter.Description = description.ModelMetadata?.Description;
}
if (parameter.Schema.Default == null && description.DefaultValue != null)
{
parameter.Schema.Default = new OpenApiString(description.DefaultValue.ToString());
}
parameter.Required |= description.IsRequired;
}
}
}
}