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io.swagger.codegen.languages.Rails5ServerCodegen Maven / Gradle / Ivy
package io.swagger.codegen.languages;
import java.text.SimpleDateFormat;
import java.util.Date;
import com.fasterxml.jackson.core.JsonProcessingException;
import io.swagger.codegen.CodegenConfig;
import io.swagger.codegen.CodegenType;
import io.swagger.codegen.DefaultCodegen;
import io.swagger.codegen.SupportingFile;
import io.swagger.models.properties.ArrayProperty;
import io.swagger.models.properties.MapProperty;
import io.swagger.models.properties.Property;
import io.swagger.models.Swagger;
import io.swagger.util.Yaml;
import java.io.File;
import java.util.Arrays;
import java.util.HashSet;
import java.util.Map;
import org.apache.commons.lang3.StringUtils;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
public class Rails5ServerCodegen extends DefaultCodegen implements CodegenConfig {
private static final Logger LOGGER = LoggerFactory.getLogger(Rails5ServerCodegen.class);
private static final SimpleDateFormat MIGRATE_FILE_NAME_FORMAT = new SimpleDateFormat("yyyyMMddHHmmss");
protected String gemName;
protected String moduleName;
protected String gemVersion = "1.0.0";
protected String appFolder = "app";
protected String channelsFolder = appFolder + File.separator + "channels";
protected String applicationCableFolder = channelsFolder + File.separator + "application_cable";
protected String controllersFolder = appFolder + File.separator + "controllers";
protected String jobsFolder = appFolder + File.separator + "jobs";
protected String mailersFolder = appFolder + File.separator + "mailers";
protected String modelsFolder = appFolder + File.separator + "models";
protected String viewsFolder = appFolder + File.separator + "views";
protected String layoutsFolder = viewsFolder + File.separator + "layouts";
protected String binFolder = "bin";
protected String configFolder = "config";
protected String environmentsFolder = configFolder + File.separator + "environments";
protected String initializersFolder = configFolder + File.separator + "initializers";
protected String localesFolder = configFolder + File.separator + "locales";
protected String dbFolder = "db";
protected String migrateFolder = dbFolder + File.separator + "migrate";
protected String libFolder = "lib";
protected String tasksFolder = libFolder + File.separator + "tasks";
protected String logFolder = "log";
protected String publicFolder = "public";
protected String testFolder = "test";
protected String tmpFolder = "tmp";
protected String cacheFolder = tmpFolder + File.separator + "cache";
protected String pidFolder = tmpFolder + File.separator + "pids";
protected String socketsFolder = tmpFolder + File.separator + "sockets";
protected String vendorFolder = "vendor";
public Rails5ServerCodegen() {
super();
outputFolder = "generated-code" + File.separator + "rails5";
apiPackage = "app/controllers";
apiTemplateFiles.put("controller.mustache", ".rb");
modelPackage = "app/models";
modelTemplateFiles.put("model.mustache", ".rb");
embeddedTemplateDir = templateDir = "rails5";
typeMapping.clear();
languageSpecificPrimitives.clear();
setReservedWordsLowerCase(
Arrays.asList(
"__FILE__", "and", "def", "end", "in", "or", "self", "unless", "__LINE__",
"begin", "defined?", "ensure", "module", "redo", "super", "until", "BEGIN",
"break", "do", "false", "next", "rescue", "then", "when", "END", "case",
"else", "for", "nil", "retry", "true", "while", "alias", "class", "elsif",
"if", "not", "return", "undef", "yield")
);
typeMapping.put("string", "string");
typeMapping.put("char", "string");
typeMapping.put("int", "integer");
typeMapping.put("integer", "integer");
typeMapping.put("long", "integer");
typeMapping.put("short", "integer");
typeMapping.put("float", "float");
typeMapping.put("double", "decimal");
typeMapping.put("number", "float");
typeMapping.put("date", "date");
typeMapping.put("DateTime", "datetime");
typeMapping.put("boolean", "boolean");
typeMapping.put("binary", "string");
typeMapping.put("ByteArray", "string");
typeMapping.put("UUID", "string");
// remove modelPackage and apiPackage added by default
cliOptions.clear();
}
@Override
public void processOpts() {
super.processOpts();
// use constant model/api package (folder path)
//setModelPackage("models");
setApiPackage("app/controllers");
supportingFiles.add(new SupportingFile("Gemfile", "", "Gemfile"));
supportingFiles.add(new SupportingFile("README.md", "", "README.md"));
supportingFiles.add(new SupportingFile("Rakefile", "", "Rakefile"));
supportingFiles.add(new SupportingFile("config.ru", "", "config.ru"));
supportingFiles.add(new SupportingFile("channel.rb", applicationCableFolder, "channel.rb"));
supportingFiles.add(new SupportingFile("connection.rb", applicationCableFolder, "connection.rb"));
supportingFiles.add(new SupportingFile("application_controller.rb", controllersFolder, "application_controller.rb"));
supportingFiles.add(new SupportingFile("application_job.rb", jobsFolder, "application_job.rb"));
supportingFiles.add(new SupportingFile("application_mailer.rb", mailersFolder, "application_mailer.rb"));
supportingFiles.add(new SupportingFile("application_record.rb", modelsFolder, "application_record.rb"));
supportingFiles.add(new SupportingFile("mailer.html.erb", layoutsFolder, "mailer.html.erb"));
supportingFiles.add(new SupportingFile("mailer.text.erb", layoutsFolder, "mailer.text.erb"));
supportingFiles.add(new SupportingFile("bundle", binFolder, "bundle"));
supportingFiles.add(new SupportingFile("rails", binFolder, "rails"));
supportingFiles.add(new SupportingFile("rake", binFolder, "rake"));
supportingFiles.add(new SupportingFile("setup", binFolder, "setup"));
supportingFiles.add(new SupportingFile("update", binFolder, "update"));
supportingFiles.add(new SupportingFile("development.rb", environmentsFolder, "development.rb"));
supportingFiles.add(new SupportingFile("production.rb", environmentsFolder, "production.rb"));
supportingFiles.add(new SupportingFile("active_record_belongs_to_required_by_default.rb", initializersFolder, "active_record_belongs_to_required_by_default.rb"));
supportingFiles.add(new SupportingFile("application_controller_renderer.rb", initializersFolder, "application_controller_renderer.rb"));
supportingFiles.add(new SupportingFile("backtrace_silencers.rb", initializersFolder, "backtrace_silencers.rb"));
supportingFiles.add(new SupportingFile("callback_terminator.rb", initializersFolder, "callback_terminator.rb"));
supportingFiles.add(new SupportingFile("cors.rb", initializersFolder, "cors.rb"));
supportingFiles.add(new SupportingFile("filter_parameter_logging.rb", initializersFolder, "filter_parameter_logging.rb"));
supportingFiles.add(new SupportingFile("inflections.rb", initializersFolder, "inflections.rb"));
supportingFiles.add(new SupportingFile("mime_types.rb", initializersFolder, "mime_types.rb"));
supportingFiles.add(new SupportingFile("ssl_options.rb", initializersFolder, "ssl_options.rb"));
supportingFiles.add(new SupportingFile("to_time_preserves_timezone.rb", initializersFolder, "to_time_preserves_timezone.rb"));
supportingFiles.add(new SupportingFile("en.yml", localesFolder, "en.yml"));
supportingFiles.add(new SupportingFile("application.rb", configFolder, "application.rb"));
supportingFiles.add(new SupportingFile("boot.rb", configFolder, "boot.rb"));
supportingFiles.add(new SupportingFile("cable.yml", configFolder, "cable.yml"));
supportingFiles.add(new SupportingFile("database.yml", configFolder, "database.yml"));
supportingFiles.add(new SupportingFile("environment.rb", configFolder, "environment.rb"));
supportingFiles.add(new SupportingFile("puma.rb", configFolder, "puma.rb"));
supportingFiles.add(new SupportingFile("routes.mustache", configFolder, "routes.rb"));
supportingFiles.add(new SupportingFile("secrets.yml", configFolder, "secrets.yml"));
supportingFiles.add(new SupportingFile("spring.rb", configFolder, "spring.rb"));
supportingFiles.add(new SupportingFile(".keep", migrateFolder, ".keep"));
supportingFiles.add(new SupportingFile("migrate.mustache", migrateFolder, "0_init_tables.rb"));
supportingFiles.add(new SupportingFile("schema.rb", dbFolder, "schema.rb"));
supportingFiles.add(new SupportingFile("seeds.rb", dbFolder, "seeds.rb"));
supportingFiles.add(new SupportingFile(".keep", tasksFolder, ".keep"));
supportingFiles.add(new SupportingFile(".keep", logFolder, ".keep"));
supportingFiles.add(new SupportingFile("404.html", publicFolder, "404.html"));
supportingFiles.add(new SupportingFile("422.html", publicFolder, "422.html"));
supportingFiles.add(new SupportingFile("500.html", publicFolder, "500.html"));
supportingFiles.add(new SupportingFile("apple-touch-icon-precomposed.png", publicFolder, "apple-touch-icon-precomposed.png"));
supportingFiles.add(new SupportingFile("apple-touch-icon.png", publicFolder, "apple-touch-icon.png"));
supportingFiles.add(new SupportingFile("favicon.ico", publicFolder, "favicon.ico"));
supportingFiles.add(new SupportingFile("robots.txt", publicFolder, "robots.txt"));
supportingFiles.add(new SupportingFile("robots.txt", publicFolder, "robots.txt"));
supportingFiles.add(new SupportingFile("test_helper.rb", testFolder, "test_helper.rb"));
supportingFiles.add(new SupportingFile(".keep", cacheFolder, ".keep"));
supportingFiles.add(new SupportingFile(".keep", pidFolder, ".keep"));
supportingFiles.add(new SupportingFile(".keep", socketsFolder, ".keep"));
supportingFiles.add(new SupportingFile("restart.txt", tmpFolder, "restart.txt"));
supportingFiles.add(new SupportingFile(".keep", vendorFolder, ".keep"));
}
@Override
public CodegenType getTag() {
return CodegenType.SERVER;
}
@Override
public String getName() {
return "rails5";
}
@Override
public String getHelp() {
return "Generates a Rails5 server library.";
}
@Override
public String escapeReservedWord(String name) {
if(this.reservedWordsMappings().containsKey(name)) {
return this.reservedWordsMappings().get(name);
}
return "_" + name;
}
@Override
public String apiFileFolder() {
return outputFolder + File.separator + apiPackage.replace("/", File.separator);
}
@Override
public String getTypeDeclaration(Property p) {
if (p instanceof ArrayProperty) {
ArrayProperty ap = (ArrayProperty) p;
Property inner = ap.getItems();
return getSwaggerType(p) + "[" + getTypeDeclaration(inner) + "]";
} else if (p instanceof MapProperty) {
MapProperty mp = (MapProperty) p;
Property inner = mp.getAdditionalProperties();
return getSwaggerType(p) + "[string," + getTypeDeclaration(inner) + "]";
}
return super.getTypeDeclaration(p);
}
@Override
public String toDefaultValue(Property p) {
return "null";
}
@Override
public String toVarName(String name) {
// replace - with _ e.g. created-at => created_at
name = name.replaceAll("-", "_"); // FIXME: a parameter should not be assigned. Also declare the methods parameters as 'final'.
// if it's all uppper case, convert to lower case
if (name.matches("^[A-Z_]*$")) {
name = name.toLowerCase();
}
// camelize (lower first character) the variable name
// petId => pet_id
name = underscore(name);
// for reserved word or word starting with number, append _
if (isReservedWord(name) || name.matches("^\\d.*")) {
name = escapeReservedWord(name);
}
return name;
}
@Override
public String getSwaggerType(Property p) {
String swaggerType = super.getSwaggerType(p);
String type = null;
if (typeMapping.containsKey(swaggerType)) {
return typeMapping.get(swaggerType);
}
return "string";
}
@Override
public String toParamName(String name) {
// should be the same as variable name
return toVarName(name);
}
@Override
public String toModelName(String name) {
// model name cannot use reserved keyword, e.g. return
if (isReservedWord(name)) {
String modelName = camelize("Model" + name);
LOGGER.warn(name + " (reserved word) cannot be used as model name. Renamed to " + modelName);
return modelName;
}
// camelize the model name
// phone_number => PhoneNumber
return camelize(name);
}
@Override
public String toModelFilename(String name) {
// model name cannot use reserved keyword, e.g. return
if (isReservedWord(name)) {
String filename = underscore("model_" + name);
LOGGER.warn(name + " (reserved word) cannot be used as model filename. Renamed to " + filename);
return filename;
}
// underscore the model file name
// PhoneNumber.rb => phone_number.rb
return underscore(name);
}
@Override
public String toApiFilename(String name) {
// replace - with _ e.g. created-at => created_at
name = name.replaceAll("-", "_"); // FIXME: a parameter should not be assigned. Also declare the methods parameters as 'final'.
// e.g. DefaultController => defaults_controller.rb
return underscore(name) + "_controller";
}
@Override
public String toApiName(String name) {
if (name.length() == 0) {
return "ApiController";
}
// e.g. phone_number_api => PhoneNumberApi
return camelize(name) + "Controller";
}
@Override
public String toOperationId(String operationId) {
// method name cannot use reserved keyword, e.g. return
if (isReservedWord(operationId)) {
String newOperationId = underscore("call_" + operationId);
LOGGER.warn(operationId + " (reserved word) cannot be used as method name. Renamed to " + newOperationId);
return newOperationId;
}
return underscore(operationId);
}
@Override
public Map postProcessSupportingFileData(Map objs) {
Swagger swagger = (Swagger)objs.get("swagger");
if(swagger != null) {
try {
objs.put("swagger-yaml", Yaml.mapper().writeValueAsString(swagger));
} catch (JsonProcessingException e) {
LOGGER.error(e.getMessage(), e);
}
}
return super.postProcessSupportingFileData(objs);
}
@Override
public String escapeQuotationMark(String input) {
// remove ' to avoid code injection
return input.replace("'", "");
}
@Override
public String escapeUnsafeCharacters(String input) {
return input.replace("=end", "=_end").replace("=begin", "=_begin");
}
}
