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org.openapitools.codegen.languages.FsharpGiraffeServerCodegen Maven / Gradle / Ivy
/*
* Copyright 2018 OpenAPI-Generator Contributors (https://openapi-generator.tech)
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* https://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.openapitools.codegen.languages;
import com.samskivert.mustache.Mustache;
import io.swagger.v3.oas.models.OpenAPI;
import org.openapitools.codegen.CodegenConstants;
import org.openapitools.codegen.CodegenOperation;
import org.openapitools.codegen.CodegenType;
import org.openapitools.codegen.meta.GeneratorMetadata;
import org.openapitools.codegen.meta.Stability;
import org.openapitools.codegen.SupportingFile;
import org.openapitools.codegen.meta.features.DocumentationFeature;
import org.openapitools.codegen.utils.URLPathUtils;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import java.io.File;
import java.net.URL;
import java.util.Locale;
import java.util.Map;
import static java.util.UUID.randomUUID;
public class FsharpGiraffeServerCodegen extends AbstractFSharpCodegen {
public static final String USE_SWASHBUCKLE = "useSwashbuckle";
public static final String GENERATE_BODY = "generateBody";
public static final String BUILD_TARGET = "buildTarget";
public static final String PROJECT_SDK = "projectSdk";
public static final String SDK_WEB = "Microsoft.NET.Sdk.Web";
public static final String SDK_LIB = "Microsoft.NET.Sdk";
private String packageGuid = "{" + randomUUID().toString().toUpperCase(Locale.ROOT) + "}";
@SuppressWarnings("hiding")
protected Logger LOGGER = LoggerFactory.getLogger(FsharpGiraffeServerCodegen.class);
private boolean useSwashbuckle = false;
protected int serverPort = 8080;
protected String serverHost = "0.0.0.0";
private boolean generateBody = true;
private String buildTarget = "program";
private String projectSdk = SDK_WEB;
public FsharpGiraffeServerCodegen() {
super();
modifyFeatureSet(features -> features.includeDocumentationFeatures(DocumentationFeature.Readme));
generatorMetadata = GeneratorMetadata.newBuilder(generatorMetadata)
.stability(Stability.BETA)
.build();
modelPackage = "Model";
apiTemplateFiles.put("Handler.mustache", "Handler.fs");
apiTemplateFiles.put("HandlerParams.mustache", "HandlerParams.fs");
apiTemplateFiles.put("ServiceInterface.mustache", "ServiceInterface.fs");
apiTemplateFiles.put("ServiceImpl.mustache", "Service.fs");
apiTestTemplateFiles.put("HandlerTests.mustache", ".fs");
apiTestTemplateFiles.put("HandlerTestsHelper.mustache", "Helper.fs");
modelTemplateFiles.put("Model.mustache", ".fs");
embeddedTemplateDir = templateDir = "fsharp-giraffe-server";
cliOptions.clear();
// CLI options
addOption(CodegenConstants.LICENSE_URL,
CodegenConstants.LICENSE_URL_DESC,
licenseUrl);
addOption(CodegenConstants.LICENSE_NAME,
CodegenConstants.LICENSE_NAME_DESC,
licenseName);
addOption(CodegenConstants.PACKAGE_COPYRIGHT,
CodegenConstants.PACKAGE_COPYRIGHT_DESC,
packageCopyright);
addOption(CodegenConstants.PACKAGE_AUTHORS,
CodegenConstants.PACKAGE_AUTHORS_DESC,
packageAuthors);
addOption(CodegenConstants.PACKAGE_TITLE,
CodegenConstants.PACKAGE_TITLE_DESC,
packageTitle);
addOption(CodegenConstants.PACKAGE_NAME,
"F# module name (convention: Title.Case).",
packageName);
addOption(CodegenConstants.PACKAGE_VERSION,
"F# package version.",
packageVersion);
addOption(CodegenConstants.OPTIONAL_PROJECT_GUID,
CodegenConstants.OPTIONAL_PROJECT_GUID_DESC,
null);
addOption(CodegenConstants.SOURCE_FOLDER,
CodegenConstants.SOURCE_FOLDER_DESC,
sourceFolder);
// CLI Switches
addSwitch(CodegenConstants.SORT_PARAMS_BY_REQUIRED_FLAG,
CodegenConstants.SORT_PARAMS_BY_REQUIRED_FLAG_DESC,
sortParamsByRequiredFlag);
addSwitch(CodegenConstants.USE_DATETIME_OFFSET,
CodegenConstants.USE_DATETIME_OFFSET_DESC,
useDateTimeOffsetFlag);
addSwitch(CodegenConstants.USE_COLLECTION,
CodegenConstants.USE_COLLECTION_DESC,
useCollection);
addSwitch(CodegenConstants.RETURN_ICOLLECTION,
CodegenConstants.RETURN_ICOLLECTION_DESC,
returnICollection);
addSwitch(USE_SWASHBUCKLE,
"Uses the Swashbuckle.AspNetCore NuGet package for documentation.",
useSwashbuckle);
addSwitch(GENERATE_BODY,
"Generates method body.",
generateBody);
addOption(BUILD_TARGET,
"Target the build for a program or library.",
buildTarget);
}
@Override
public CodegenType getTag() {
return CodegenType.SERVER;
}
@Override
public String getName() {
return "fsharp-giraffe-server";
}
@Override
public String getHelp() {
return "Generates a F# Giraffe server (beta).";
}
@Override
public void preprocessOpenAPI(OpenAPI openAPI) {
super.preprocessOpenAPI(openAPI);
URL url = URLPathUtils.getServerURL(openAPI, serverVariableOverrides());
additionalProperties.put("serverHost", url.getHost());
additionalProperties.put("serverPort", URLPathUtils.getPort(url, 8080));
}
@Override
public void processOpts() {
super.processOpts();
if (additionalProperties.containsKey(CodegenConstants.OPTIONAL_PROJECT_GUID)) {
setPackageGuid((String) additionalProperties.get(CodegenConstants.OPTIONAL_PROJECT_GUID));
}
additionalProperties.put("packageGuid", packageGuid);
if (additionalProperties.containsKey(USE_SWASHBUCKLE)) {
useSwashbuckle = convertPropertyToBooleanAndWriteBack(USE_SWASHBUCKLE);
} else {
additionalProperties.put(USE_SWASHBUCKLE, useSwashbuckle);
}
additionalProperties.put(PROJECT_SDK, projectSdk);
String authFolder = sourceFolder + File.separator + "auth";
String implFolder = sourceFolder + File.separator + "impl";
String helperFolder = sourceFolder + File.separator + "helpers";
supportingFiles.add(new SupportingFile("build.sh.mustache", projectFolder, "build.sh"));
supportingFiles.add(new SupportingFile("build.bat.mustache", projectFolder, "build.bat"));
supportingFiles.add(new SupportingFile("README.mustache", projectFolder, "README.md"));
supportingFiles.add(new SupportingFile("gitignore.mustache", projectFolder, ".gitignore"));
supportingFiles.add(new SupportingFile("Project.fsproj.mustache", sourceFolder, packageName + ".fsproj"));
supportingFiles.add(new SupportingFile("Program.mustache", sourceFolder, "Program.fs"));
supportingFiles.add(new SupportingFile("AuthSchemes.mustache", authFolder, "AuthSchemes.fs"));
supportingFiles.add(new SupportingFile("Helpers.mustache", helperFolder, "Helpers.fs"));
supportingFiles.add(new SupportingFile("CustomHandlers.mustache", implFolder, "CustomHandlers.fs"));
supportingFiles.add(new SupportingFile("Project.Tests.fsproj.mustache", testFolder, packageName + "Tests.fsproj"));
supportingFiles.add(new SupportingFile("TestHelper.mustache", testFolder, "TestHelper.fs"));
// TODO - support Swashbuckle
if (useSwashbuckle)
LOGGER.warn("Swashbuckle flag not currently supported, this will be ignored.");
}
public void setPackageGuid(String packageGuid) {
this.packageGuid = packageGuid;
}
@Override
public String modelFileFolder() {
return super.modelFileFolder().replace("Model", "model");
}
@Override
public String apiFileFolder() {
return super.apiFileFolder() + File.separator + "api";
}
private String implFileFolder() {
return outputFolder + File.separator + sourceFolder + File.separator + "impl";
}
@Override()
public String toModelImport(String name) {
return packageName + "." + modelPackage() + "." + name;
}
@Override
public String apiFilename(String templateName, String tag) {
String result = super.apiFilename(templateName, tag);
if (templateName.endsWith("Impl.mustache")) {
int ix = result.lastIndexOf(File.separatorChar);
result = result.substring(0, ix) + result.substring(ix, result.length() - 2) + "fs";
result = result.replace(apiFileFolder(), implFileFolder());
}
return result;
}
@Override
public Map postProcessSupportingFileData(Map objs) {
generateJSONSpecFile(objs);
generateYAMLSpecFile(objs);
return super.postProcessSupportingFileData(objs);
}
@Override
protected void processOperation(CodegenOperation operation) {
super.processOperation(operation);
// HACK: Unlikely in the wild, but we need to clean operation paths for MVC Routing
if (operation.path != null) {
String original = operation.path;
operation.path = operation.path.replace("?", "/");
if (!original.equals(operation.path)) {
LOGGER.warn("Normalized " + original + " to " + operation.path + ". Please verify generated source.");
}
}
// Converts, for example, PUT to HttpPut for controller attributes
operation.httpMethod = "Http" + operation.httpMethod.substring(0, 1) + operation.httpMethod.substring(1).toLowerCase(Locale.ROOT);
}
@Override
public Mustache.Compiler processCompiler(Mustache.Compiler compiler) {
// To avoid unexpected behaviors when options are passed programmatically such as { "useCollection": "" }
return super.processCompiler(compiler).emptyStringIsFalse(true);
}
@Override
public String toRegularExpression(String pattern) {
return escapeText(pattern);
}
}
