steady-api
Version:
Configurable REST API built with Express and TypeScript
79 lines • 3.46 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", { value: true });
const express_1 = require("express");
const Validator_1 = require("./Validator");
const ErrorResponse_1 = require("./ErrorResponse");
const DefaultRouteHandler_1 = require("./DefaultRouteHandler");
const StreamingRouteHandler_1 = require("./StreamingRouteHandler");
class ApiRouter {
constructor(routes, controllers, customTypes = []) {
this.router = express_1.Router();
this.routes = routes;
this.controllers = controllers;
this.customTypes = customTypes.reduce((customTypes, type) => {
customTypes[type.name] = type;
return customTypes;
}, {});
this.routes.routes.forEach(route => {
switch (route.method.toLowerCase()) {
case "get":
case "post":
case "put":
case "delete":
this.setupRoute(route);
break;
default:
console.error(`Invalid route method ${route.method}`);
break;
}
});
}
// TODO: Use correct response format
defaultAction(req, res, callback) {
return callback("Invalid action");
}
// TODO: Use correct response format
setupRoute(route) {
let controller = this.controllers[route.controller];
let action = controller[route.action] || this.defaultAction;
let authMethod = (req, res, next) => {
return next();
};
if (route.authentication && route.authentication.controller && route.authentication.action) {
authMethod = this.controllers[route.authentication.controller][route.authentication.action]();
}
this.router[route.method](route.url, authMethod, (req, res) => {
let values = route.method === 'get' ? req.query : req.body;
const validator = new Validator_1.default(route.params, Object.assign({}, values, req.files));
validator.addCustomTypes(this.customTypes);
try {
if (validator.isValid() === false) {
const errorMessage = `This request failed validation, please check the documentation for ${route.method.toUpperCase()} ${route.url}`;
const err = new ErrorResponse_1.ErrorResponse({ req, res, errorMessage, errors: validator.getErrors(), status: 400 });
return err.send();
}
}
catch (e) {
const errorMessage = e.message;
const errors = [
`Invalid route definition for ${route.method.toUpperCase()} ${route.url}`
];
const err = new ErrorResponse_1.ErrorResponse({ req, res, errorMessage, errors, status: 501 });
return err.send();
}
values = Object.assign(validator.values, req.params);
let routeHandler;
// streaming route
if (route.streaming === true) {
routeHandler = new StreamingRouteHandler_1.StreamingRouteHandler(values, action, req, res);
}
else {
routeHandler = new DefaultRouteHandler_1.DefaultRouteHandler(values, action, req, res);
}
// handle route
routeHandler.handle();
});
}
}
exports.default = ApiRouter;
//# sourceMappingURL=ApiRouter.js.map