private ClassDeclarationSyntax AddSecuritySchemes(ClassDeclarationSyntax target, ILocatedOpenApiElement <OpenApiOperation> operation)
{
var className = IdentifierName(target.Identifier);
var attributes = new List <AttributeSyntax>();
foreach (var securityRequirement in operation.GetSecurityRequirements())
{
ILocatedOpenApiElement <OpenApiSecurityScheme>[] securitySchemes = securityRequirement.GetSecuritySchemes()
.Select(p => p.Key)
.ToArray();
attributes.Add(Attribute(_authenticationNamespace.SecuritySchemeSetAttribute)
.AddArgumentListArguments(
securitySchemes.Select(securityScheme =>
AttributeArgument(TypeOfExpression(_context.TypeNameProvider.GetName(securityScheme))))
.ToArray()));
if (securitySchemes.Length == 1)
{
TypeSyntax schemeTypeName = _context.TypeNameProvider.GetName(securitySchemes[0]);
target = target.AddMembers(MethodDeclaration(className, "WithAuthenticator")
.AddModifiers(Token(SyntaxKind.PublicKeyword))
.AddParameterListParameters(
Parameter(Identifier("authenticator"))
.WithType(schemeTypeName))
.WithBody(Block(
ExpressionStatement(AssignmentExpression(SyntaxKind.SimpleAssignmentExpression,
IdentifierName("Authenticator"),
IdentifierName("authenticator"))),
ReturnStatement(ThisExpression()))));
}
else if (securitySchemes.Length > 1)
{
target = target.AddMembers(MethodDeclaration(className, "WithAuthenticator")
.AddModifiers(Token(SyntaxKind.PublicKeyword))
.AddParameterListParameters(
securitySchemes
.Select((p, index) =>
Parameter(Identifier($"authenticator{index}"))
.WithType(_context.TypeNameProvider.GetName(p)))
.ToArray())
.WithBody(Block(
ExpressionStatement(AssignmentExpression(SyntaxKind.SimpleAssignmentExpression,
IdentifierName("Authenticator"),
ObjectCreationExpression(_authenticationNamespace.MultiAuthenticator)
.AddArgumentListArguments(
securitySchemes
.Select((_, index) => Argument(IdentifierName($"authenticator{index}")))
.ToArray()))),
ReturnStatement(ThisExpression()))));
}
}
if (attributes.Count > 0)
{
target = target.AddAttributeLists(AttributeList(null, SeparatedList(attributes)));
}
return(target);
}