/// <summary>
/// Converts <see cref="OpenApiPayloadAttribute"/> to <see cref="OpenApiMediaType"/>.
/// </summary>
/// <typeparam name="T">Type of payload attribute inheriting <see cref="OpenApiPayloadAttribute"/>.</typeparam>
/// <param name="attribute">OpenApi payload attribute.</param>
/// <param name="namingStrategy"><see cref="NamingStrategy"/> instance to create the JSON schema from .NET Types.</param>
/// <param name="collection"><see cref="VisitorCollection"/> instance.</param>
/// <returns><see cref="OpenApiMediaType"/> instance.</returns>
public static OpenApiMediaType ToOpenApiMediaType <T>(this T attribute, NamingStrategy namingStrategy = null, VisitorCollection collection = null) where T : OpenApiPayloadAttribute
{
attribute.ThrowIfNullOrDefault();
if (namingStrategy.IsNullOrDefault())
{
namingStrategy = new DefaultNamingStrategy();
}
if (collection.IsNullOrDefault())
{
collection = VisitorCollection.CreateInstance();
}
var type = attribute.BodyType;
// Generate schema based on the type.
var schema = collection.PayloadVisit(type, namingStrategy);
// Add deprecated attribute.
if (attribute is OpenApiRequestBodyAttribute)
{
schema.Deprecated = (attribute as OpenApiRequestBodyAttribute).Deprecated;
}
if (attribute is OpenApiResponseWithBodyAttribute)
{
schema.Deprecated = (attribute as OpenApiResponseWithBodyAttribute).Deprecated;
}
// For array and dictionary object, the reference has already been added by the visitor.
if (type.IsReferentialType() && !type.IsOpenApiNullable() && !type.IsOpenApiArray() && !type.IsOpenApiDictionary())
{
var reference = new OpenApiReference()
{
Type = ReferenceType.Schema,
Id = attribute.BodyType.GetOpenApiReferenceId(isDictionary: false, isList: false, namingStrategy)
};
schema.Reference = reference;
}
var mediaType = new OpenApiMediaType()
{
Schema = schema
};
return(mediaType);
}
/// <summary>
/// Converts <see cref="OpenApiParameterAttribute"/> to <see cref="OpenApiParameter"/>.
/// </summary>
/// <param name="attribute"><see cref="OpenApiParameterAttribute"/> instance.</param>
/// <param name="namingStrategy"><see cref="NamingStrategy"/> instance.</param>
/// <param name="collection"><see cref="VisitorCollection"/> instance.</param>
/// <returns><see cref="OpenApiParameter"/> instance.</returns>
public static OpenApiParameter ToOpenApiParameter(this OpenApiParameterAttribute attribute, NamingStrategy namingStrategy = null, VisitorCollection collection = null)
{
attribute.ThrowIfNullOrDefault();
if (namingStrategy.IsNullOrDefault())
{
namingStrategy = new DefaultNamingStrategy();
}
if (collection.IsNullOrDefault())
{
collection = VisitorCollection.CreateInstance();
}
var type = attribute.Type;
var schema = collection.ParameterVisit(type, namingStrategy);
var parameter = new OpenApiParameter()
{
Name = attribute.Name,
Description = attribute.Description,
Required = attribute.Required,
In = attribute.In,
Schema = schema
};
if (type.IsOpenApiArray())
{
if (attribute.In == ParameterLocation.Path)
{
parameter.Style = ParameterStyle.Simple;
parameter.Explode = false;
}
if (attribute.In == ParameterLocation.Query)
{
parameter.Style = attribute.CollectionDelimiter == OpenApiParameterCollectionDelimiterType.Comma
? ParameterStyle.Form
: (attribute.CollectionDelimiter == OpenApiParameterCollectionDelimiterType.Space
? ParameterStyle.SpaceDelimited
: ParameterStyle.PipeDelimited);
parameter.Explode = attribute.CollectionDelimiter == OpenApiParameterCollectionDelimiterType.Comma
? attribute.Explode
: false;
}
}
if (!string.IsNullOrWhiteSpace(attribute.Summary))
{
var summary = new OpenApiString(attribute.Summary);
parameter.Extensions.Add("x-ms-summary", summary);
}
if (attribute.Visibility != OpenApiVisibilityType.Undefined)
{
var visibility = new OpenApiString(attribute.Visibility.ToDisplayName());
parameter.Extensions.Add("x-ms-visibility", visibility);
}
return(parameter);
}
/// <summary>
/// Converts <see cref="OpenApiPayloadAttribute"/> to <see cref="OpenApiMediaType"/>.
/// </summary>
/// <typeparam name="T">Type of payload attribute inheriting <see cref="OpenApiPayloadAttribute"/>.</typeparam>
/// <param name="attribute">OpenApi payload attribute.</param>
/// <param name="namingStrategy"><see cref="NamingStrategy"/> instance to create the JSON schema from .NET Types.</param>
/// <param name="collection"><see cref="VisitorCollection"/> instance.</param>
/// <param name="version">OpenAPI spec version.</param>
/// <returns><see cref="OpenApiMediaType"/> instance.</returns>
public static OpenApiMediaType ToOpenApiMediaType <T>(this T attribute, NamingStrategy namingStrategy = null, VisitorCollection collection = null, OpenApiVersionType version = OpenApiVersionType.V2) where T : OpenApiPayloadAttribute
{
attribute.ThrowIfNullOrDefault();
if (namingStrategy.IsNullOrDefault())
{
namingStrategy = new DefaultNamingStrategy();
}
if (collection.IsNullOrDefault())
{
collection = VisitorCollection.CreateInstance();
}
var type = attribute.BodyType;
// Generate schema based on the type.
var schema = collection.PayloadVisit(type, namingStrategy);
// Add deprecated attribute.
if (attribute is OpenApiRequestBodyAttribute)
{
schema.Deprecated = (attribute as OpenApiRequestBodyAttribute).Deprecated;
}
if (attribute is OpenApiResponseWithBodyAttribute)
{
schema.Deprecated = (attribute as OpenApiResponseWithBodyAttribute).Deprecated;
}
// For array and dictionary object, the reference has already been added by the visitor.
if (type.IsReferentialType() && !type.IsOpenApiNullable() && !type.IsOpenApiArray() && !type.IsOpenApiDictionary())
{
var reference = new OpenApiReference()
{
Type = ReferenceType.Schema,
Id = attribute.BodyType.GetOpenApiReferenceId(isDictionary: false, isList: false, namingStrategy)
};
schema.Reference = reference;
}
var mediaType = new OpenApiMediaType()
{
Schema = schema
};
if (attribute.Example.IsNullOrDefault())
{
return(mediaType);
}
if (!attribute.Example.HasInterface("IOpenApiExample`1"))
{
return(mediaType);
}
var example = (dynamic)Activator.CreateInstance(attribute.Example);
var examples = (IDictionary <string, OpenApiExample>)example.Build(namingStrategy).Examples;
mediaType.Examples = examples;
if (version == OpenApiVersionType.V2)
{
mediaType.Example = examples.First().Value.Value;
}
return(mediaType);
}