@methodus/server
Version:
Server components for @methodus workflow
133 lines • 6.12 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", { value: true });
require("reflect-metadata");
const response_1 = require("../response");
const serversList_1 = require("../servers/serversList");
const log_1 = require("../log");
const rest_1 = require("../rest");
const class_container_1 = require("../class-container");
const methodMetadataKey = 'methodus';
function MethodPipe(verb, route, middlewares) {
return (target, propertyKey, descriptor) => {
let methodResult = null;
target.methodus = target.methodus || {};
const name = target.name || target.constructor.name;
target.methodus[name] = target.methodus[name] || { _events: {}, _descriptors: {} };
const mTarget = target.methodus[name];
let metaObject = Object.assign({}, { verb, route, propertyKey, middlewares, params: [] });
if (mTarget._descriptors[propertyKey]) {
metaObject = Object.assign(metaObject, { params: mTarget._descriptors[propertyKey].params });
}
Reflect.defineMetadata(methodMetadataKey, metaObject, target, propertyKey);
mTarget._descriptors[propertyKey] = metaObject;
const paramsMap = metaObject.params;
paramsMap.sort((a, b) => {
return a.index - b.index;
});
const originalMethod = descriptor.value;
const value = async function (...args) {
validateServerIsRunning();
let configName = target.name;
if (!configName && target.constructor) {
configName = target.constructor.name;
}
let methodus = mTarget;
if (!methodus) {
methodus = Reflect.getOwnMetadata(methodMetadataKey, target, propertyKey) || {};
}
const config = serversList_1.Servers.classes[configName];
if (!config) {
const client = serversList_1.Servers.clients[configName];
const existingClassMetadata = class_container_1.ClassContainer.get(configName);
if (client) {
Object.assign(methodus, methodus._descriptors[propertyKey], existingClassMetadata);
methodus.resolver = client.resolver;
try {
const result = await client.transportType.send(methodus, args, paramsMap, []);
return new response_1.MethodResult(result);
}
catch (ex) {
if (Buffer.isBuffer(ex.error)) {
ex.error = ex.error.toString();
throw (ex);
}
}
}
else {
const result = await originalMethod.apply(this, args);
return new response_1.MethodResult(result);
}
}
else {
const existingClassMetadata = class_container_1.ClassContainer.get(methodus.name);
Object.assign(methodus, methodus._descriptors[propertyKey], existingClassMetadata);
const functionArgs = [];
let methodType = "Local";
const parser = new rest_1.RestParser(methodus.serverType);
const ParserResponse = parser.parse(args, paramsMap, functionArgs);
const completeConfiguration = Object.assign({}, methodus, config);
if (completeConfiguration && completeConfiguration.methodType) {
methodType = completeConfiguration.methodType;
}
const restHeaders = null;
try {
const mappedArgs = paramsMap.map((param) => {
return { [param.name || param.from]: ParserResponse.args[param.index] };
});
log_1.logger.info(`@Method::call`, methodType, originalMethod.name, ...mappedArgs);
switch (methodType) {
case "Mock":
methodResult = new response_1.MethodResult(methodus._mocks[propertyKey]);
break;
case "Local":
methodResult = originalMethod.apply(this, ParserResponse.args);
break;
}
}
catch (error) {
error.statusCode = error.statusCode || 500;
log_1.logger.error(error);
if (ParserResponse.isRest) {
return new parser.response(args, error, restHeaders);
}
else {
throw (error);
}
}
if (ParserResponse.isRest) {
if (methodResult.toString() === '[object Promise]') {
methodResult.then((resolvedPromise) => {
return new parser.response(args, resolvedPromise, restHeaders);
});
}
else {
return new parser.response(args, methodResult, restHeaders);
}
}
else {
log_1.logger.info(`@Method::OK`, methodType, originalMethod.name);
return methodResult;
}
}
};
delete descriptor.value;
delete descriptor.writable;
descriptor.get = function () {
Object.defineProperty(this, propertyKey, {
enumerable: descriptor.enumerable,
configurable: descriptor.configurable,
value() {
return value.apply(this, arguments);
},
});
};
return descriptor;
};
}
exports.MethodPipe = MethodPipe;
function validateServerIsRunning() {
if (!serversList_1.Servers) {
throw (new Error(`methodus server is not running, did you miss a 'run' statement?`));
}
}
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