private static void FilterDocument(OpenApiCompilerConfiguration documentFilters, OpenApiDocument document)
{
var documentFilterContext = new OpenApiDocumentFilterContext();
foreach (var documentFilter in documentFilters.DocumentFilters)
{
documentFilter.Apply(document, documentFilterContext);
}
}
private static void CreateOperationsFromRoutes(
HttpFunctionDefinition[] functionDefinitions,
OpenApiDocument openApiDocument,
SchemaReferenceRegistry registry,
string apiPrefix,
OpenApiCompilerConfiguration compilerConfiguration)
{
string prependedApiPrefix = string.IsNullOrEmpty(apiPrefix) ? $"" : $"/{apiPrefix}";
var operationsByRoute = functionDefinitions.Where(x => x.Route != null).GroupBy(x => $"{prependedApiPrefix}/{x.Route}");
foreach (IGrouping <string, HttpFunctionDefinition> route in operationsByRoute)
{
OpenApiPathItem pathItem = new OpenApiPathItem()
{
Operations = new Dictionary <OperationType, OpenApiOperation>()
};
foreach (HttpFunctionDefinition functionByRoute in route)
{
Type commandType = functionByRoute.CommandType;
foreach (HttpMethod method in functionByRoute.Verbs)
{
OpenApiOperation operation = new OpenApiOperation
{
Description = functionByRoute.OpenApiDescription,
Summary = functionByRoute.OpenApiSummary,
Responses = new OpenApiResponses(),
Tags = string.IsNullOrWhiteSpace(functionByRoute.RouteConfiguration.OpenApiName) ? null : new List <OpenApiTag>()
{
new OpenApiTag {
Name = functionByRoute.RouteConfiguration.OpenApiName
}
}
};
var operationFilterContext = new OpenApiOperationFilterContext
{
CommandType = commandType,
PropertyNames = new Dictionary <string, string>()
};
foreach (KeyValuePair <int, OpenApiResponseConfiguration> kvp in functionByRoute.OpenApiResponseConfigurations)
{
operation.Responses.Add(kvp.Key.ToString(), new OpenApiResponse
{
Description = kvp.Value.Description,
Content =
{
["application/json"] = new OpenApiMediaType()
{
Schema = kvp.Value.ResponseType == null ? null : registry.FindOrAddReference(kvp.Value.ResponseType)
}
}
});
}
// Does any HTTP success response (2xx) exist
if (operation.Responses.Keys.FirstOrDefault(x => x.StartsWith("2")) == null)
{
OpenApiResponse response = new OpenApiResponse
{
Description = "Successful API operation"
};
if (functionByRoute.CommandResultType != null)
{
OpenApiSchema schema = registry.FindOrAddReference(functionByRoute.CommandResultType);
response.Content = new Dictionary <string, OpenApiMediaType>
{
{ "application/json", new OpenApiMediaType {
Schema = schema
} }
};
}
operation.Responses.Add("200", response);
}
if (method == HttpMethod.Get || method == HttpMethod.Delete)
{
var schema = registry.GetOrCreateSchema(commandType);
foreach (HttpParameter property in functionByRoute.QueryParameters)
{
var propertyInfo = commandType.GetProperty(property.Name);
// Property Name
var propertyName = propertyInfo.GetAttributeValue((JsonPropertyAttribute attribute) => attribute.PropertyName);
if (string.IsNullOrWhiteSpace(propertyName))
{
propertyName = propertyInfo.GetAttributeValue((DataMemberAttribute attribute) => attribute.Name);
}
if (string.IsNullOrWhiteSpace(propertyName))
{
propertyName = propertyInfo.Name.ToCamelCase();
}
// Property Required
var propertyRequired = !property.IsOptional;
if (!propertyRequired)
{
propertyRequired = propertyInfo.GetAttributeValue((JsonPropertyAttribute attribute) => attribute.Required) == Required.Always;
}
if (!propertyRequired)
{
propertyRequired = propertyInfo.GetAttributeValue((RequiredAttribute attribute) => attribute) != null;
}
var propertySchema = schema.Properties[propertyName];
var parameter = new OpenApiParameter
{
Name = propertyName,
In = ParameterLocation.Query,
Required = propertyRequired,
Schema = propertySchema, // property.Type.MapToOpenApiSchema(),
Description = propertySchema.Description
};
FilterParameter(compilerConfiguration.ParameterFilters, parameter);
operation.Parameters.Add(parameter);
operationFilterContext.PropertyNames[parameter.Name] = propertyInfo.Name;
}
}
if (functionByRoute.Authorization == AuthorizationTypeEnum.Function && (method == HttpMethod.Get || method == HttpMethod.Delete))
{
operation.Parameters.Add(new OpenApiParameter
{
Name = "code",
In = ParameterLocation.Query,
Required = true,
Schema = typeof(string).MapToOpenApiSchema(),
Description = ""
});
}
foreach (HttpParameter property in functionByRoute.RouteParameters)
{
var parameter = new OpenApiParameter
{
Name = property.RouteName.ToCamelCase(),
In = ParameterLocation.Path,
Required = !property.IsOptional,
Schema = property.Type.MapToOpenApiSchema(),
Description = ""
};
FilterParameter(compilerConfiguration.ParameterFilters, parameter);
operation.Parameters.Add(parameter);
// TODO: We need to consider what to do with the payload model here - if its a route parameter
// we need to ignore it in the payload model
}
if (method == HttpMethod.Post || method == HttpMethod.Put || method == HttpMethod.Patch)
{
OpenApiRequestBody requestBody = new OpenApiRequestBody();
OpenApiSchema schema = registry.FindReference(commandType);
requestBody.Content = new Dictionary <string, OpenApiMediaType>
{
{ "application/json", new OpenApiMediaType {
Schema = schema
} }
};
operation.RequestBody = requestBody;
}
FilterOperation(compilerConfiguration.OperationFilters, operation, operationFilterContext);
pathItem.Operations.Add(MethodToOperationMap[method], operation);
}
}
openApiDocument.Paths.Add(route.Key, pathItem);
}
}
public OpenApiOutputModel Compile(OpenApiConfiguration configuration, IReadOnlyCollection <AbstractFunctionDefinition> abstractFunctionDefinitions, string outputBinaryFolder)
{
if (configuration == null)
{
return(null);
}
string apiPrefix = GetApiPrefix(outputBinaryFolder);
if (!configuration.IsValid)
{
throw new ConfigurationException("Open API implementation is partially complete, a title and a version must be specified");
}
if (!configuration.IsOpenApiOutputEnabled)
{
return(null);
}
HttpFunctionDefinition[] functionDefinitions = abstractFunctionDefinitions.OfType <HttpFunctionDefinition>().ToArray();
if (functionDefinitions.Length == 0)
{
return(null);
}
OpenApiDocument openApiDocument = new OpenApiDocument
{
Info = new OpenApiInfo
{
Version = configuration.Version,
Title = configuration.Title
},
Servers = configuration.Servers?.Select(x => new OpenApiServer {
Url = x
}).ToArray(),
Paths = new OpenApiPaths(),
Components = new OpenApiComponents
{
Schemas = new Dictionary <string, OpenApiSchema>()
}
};
var compilerConfiguration = new OpenApiCompilerConfiguration(configuration);
SchemaReferenceRegistry registry = new SchemaReferenceRegistry(compilerConfiguration);
CreateTags(functionDefinitions, openApiDocument);
CreateSchemas(functionDefinitions, openApiDocument, registry);
CreateOperationsFromRoutes(functionDefinitions, openApiDocument, registry, apiPrefix, compilerConfiguration);
FilterDocument(compilerConfiguration, openApiDocument);
if (openApiDocument.Paths.Count == 0)
{
return(null);
}
string yaml = openApiDocument.Serialize(OpenApiSpecVersion.OpenApi3_0, OpenApiFormat.Yaml);
OpenApiOutputModel result = new OpenApiOutputModel
{
OpenApiSpecification = new OpenApiFileReference
{
Content = yaml,
Filename = "openapi.yaml"
}
};
if (!string.IsNullOrWhiteSpace(configuration.UserInterfaceRoute))
{
result.SwaggerUserInterface = CopySwaggerUserInterfaceFilesToWebFolder();
}
if (!string.IsNullOrWhiteSpace(configuration.OutputPath))
{
if (Directory.Exists(configuration.OutputPath))
{
string pathAndFilename = Path.Combine(configuration.OutputPath, "openapi.yaml");
if (File.Exists(pathAndFilename))
{
File.Delete(pathAndFilename);
}
File.WriteAllText(pathAndFilename, yaml, Encoding.UTF8);
}
}
return(result);
}
public OpenApiOutputModel Compile(OpenApiConfiguration configuration, IReadOnlyCollection <AbstractFunctionDefinition> abstractFunctionDefinitions, string outputBinaryFolder)
{
if (configuration == null)
{
return(null);
}
string apiPrefix = GetApiPrefix(outputBinaryFolder);
if (!configuration.IsValid)
{
throw new ConfigurationException("Open API implementation is partially complete, a title and a version must be specified");
}
if (!configuration.IsOpenApiOutputEnabled)
{
return(null);
}
var functionDefinitions = abstractFunctionDefinitions.OfType <HttpFunctionDefinition>().ToList();
if (functionDefinitions.Count() == 0)
{
return(null);
}
IDictionary <string, OpenApiDocumentsSpec> openApiDocumentsSpec = new Dictionary <string, OpenApiDocumentsSpec>();
IDictionary <string, OpenApiDocumentsSpec> reDocDocumentsSpec = new Dictionary <string, OpenApiDocumentsSpec>();
OpenApiOutputModel outputModel = new OpenApiOutputModel();
foreach (var keyValuePair in configuration.OpenApiDocumentInfos)
{
OpenApiDocument openApiDocument = new OpenApiDocument
{
Info = keyValuePair.Value.OpenApiInfo,
Servers = configuration.Servers?.Select(x => new OpenApiServer {
Url = x
}).ToArray(),
Paths = new OpenApiPaths(),
Components = new OpenApiComponents
{
Schemas = new Dictionary <string, OpenApiSchema>(),
}
};
var functionFilter = keyValuePair.Value.HttpFunctionFilter;
if (functionFilter == null)
{
functionFilter = new OpenApiHttpFunctionFilterDummy();
}
var compilerConfiguration = new OpenApiCompilerConfiguration(configuration);
SchemaReferenceRegistry registry = new SchemaReferenceRegistry(compilerConfiguration);
CreateTags(functionDefinitions, functionFilter, openApiDocument);
CreateSchemas(functionDefinitions, functionFilter, openApiDocument, registry);
CreateOperationsFromRoutes(functionDefinitions, functionFilter, openApiDocument, registry, apiPrefix, compilerConfiguration);
CreateSecuritySchemes(openApiDocument, configuration);
FilterDocument(compilerConfiguration.DocumentFilters, openApiDocument, keyValuePair.Value.DocumentRoute);
if (openApiDocument.Paths.Count == 0)
{
continue;
}
// TODO: FIXME:
// Hack: Empty OpenApiSecurityRequirement lists are not serialized by the standard Microsoft
// implementation. Therefore we add a null object to the list and fix it here by hand.
var yaml = openApiDocument.Serialize(OpenApiSpecVersion.OpenApi3_0, OpenApiFormat.Yaml);
yaml = Regex.Replace(yaml, $"security:\n.*?- \n", "security: []\n");
outputModel.OpenApiFileReferences.Add(
new OpenApiFileReference
{
Filename = $"OpenApi.{keyValuePair.Value.DocumentRoute.Replace('/', '.')}",
Content = Encoding.UTF8.GetBytes(yaml)
}
);
openApiDocumentsSpec.Add(openApiDocument.Info.Title, new OpenApiDocumentsSpec
{
Title = keyValuePair.Value.OpenApiInfo.Title,
Selected = keyValuePair.Value.Selected,
Path = $"/{configuration.UserInterfaceRoute ?? "openapi"}/{keyValuePair.Value.DocumentRoute}"
});
// Create reDoc YAML
if (!string.IsNullOrWhiteSpace(configuration.ReDocUserInterfaceRoute))
{
FilterDocument(compilerConfiguration.ReDocDocumentFilters, openApiDocument, keyValuePair.Value.DocumentRoute);
// TODO: FIXME:
// Hack: Empty OpenApiSecurityRequirement lists are not serialized by the standard Microsoft
// implementation. Therefore we add a null object to the list and fix it here by hand.
var reDocYaml = openApiDocument.Serialize(OpenApiSpecVersion.OpenApi3_0, OpenApiFormat.Yaml);
reDocYaml = Regex.Replace(reDocYaml, $"security:\n.*?- \n", "security: []\n");
outputModel.OpenApiFileReferences.Add(
new OpenApiFileReference
{
Filename = $"ReDoc.{keyValuePair.Value.DocumentRoute.Replace('/', '.')}",
Content = Encoding.UTF8.GetBytes(reDocYaml)
}
);
reDocDocumentsSpec.Add(openApiDocument.Info.Title, new OpenApiDocumentsSpec
{
Title = keyValuePair.Value.OpenApiInfo.Title,
Selected = keyValuePair.Value.Selected,
Path = $"/{configuration.ReDocUserInterfaceRoute ?? "redoc"}/{keyValuePair.Value.DocumentRoute}"
});
}
}
if (!string.IsNullOrWhiteSpace(configuration.UserInterfaceRoute))
{
outputModel.OpenApiFileReferences.Add(
new OpenApiFileReference
{
Filename = "OpenApi.openapi-documents-spec.json",
Content = Encoding.UTF8.GetBytes(JsonConvert.SerializeObject(openApiDocumentsSpec.Values.ToArray()))
}
);
CopySwaggerUserInterfaceFilesToWebFolder(configuration, outputModel.OpenApiFileReferences);
}
if (!string.IsNullOrWhiteSpace(configuration.ReDocUserInterfaceRoute))
{
outputModel.OpenApiFileReferences.Add(
new OpenApiFileReference
{
Filename = "ReDoc.redoc-documents-spec.json",
Content = Encoding.UTF8.GetBytes(JsonConvert.SerializeObject(reDocDocumentsSpec.Values.ToArray()))
}
);
CopyReDocUserInterfaceFilesToWebFolder(configuration, outputModel.OpenApiFileReferences);
}
outputModel.UserInterfaceRoute = configuration.UserInterfaceRoute;
outputModel.ReDocUserInterfaceRoute = configuration.ReDocUserInterfaceRoute;
return(outputModel);
}