74 lines
1.9 KiB
JavaScript
74 lines
1.9 KiB
JavaScript
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'use strict';
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const container = require('../Container');
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const express = require('express');
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const errors = require('errors');
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const getArgs = require('getargs');
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const loadRoutes = container.get('base/util/route-loader');
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const _ = container.get('_');
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/**
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* Controller setup and utility class
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*/
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class Controller {
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/**
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* Get route mapping
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*
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* @param {string} baseRoutePath - the path to the folder containing
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* controllers/routes
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* @return {map} - Maps route prefixes to their respective functions
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*/
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static getRouteMap(baseRoutePath) {
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const routeMap = {};
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const pathFileMap = loadRoutes(baseRoutePath);
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_(pathFileMap).forEach((routeFile, routePath) => {
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let rawRoutes = require(routeFile);
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routeMap[routePath] = Controller._parseRoutes(rawRoutes);
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});
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return routeMap;
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}
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/**
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* Simplify route generation with an object
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*
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* @private
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* @param {Object} routeObject - the object laying out the routes for the
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* current controller
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* @return {Router} - the updated express.Router object
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*/
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static _parseRoutes(routeObject) {
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const router = express.Router();
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_(routeObject).forEach((httpMethods, currentPath) => {
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_(httpMethods).forEach((routeFunction, currentHttpMethod) => {
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let routerMethod = router[currentHttpMethod];
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return router[currentHttpMethod](currentPath, routeFunction);
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});
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});
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return router;
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}
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/**
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* Send a specific http error code
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*
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* @param {number} code - The error Number
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* @param {Object} [options={}] - Options, such as message and explanation
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* @param {function} next - The callback to pass the error to
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* @return {void}
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*/
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static HttpError(/*code, options, next*/) {
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let args = getArgs('code:Number, [options]:object, next:function', arguments);
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args.options = args.options || {};
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let methodName = `Http${args.code}Error`;
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let err = new errors[methodName](args.options);
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return args.next(err);
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}
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}
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module.exports = Controller;
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