@o-galaxy/ether/inner/controller-def-container.js

Rest Api Framework

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
const express_1 = require("express");
const route_wrapper_1 = require("./../common/factory/route-wrapper");
class ControllerDefContainer {
    constructor() {
        this.methodDefinitionsMap = new Map();
        this.path = '/';
    }
    addMiddleware(cb, classMethodName) {
        if (this.methodDefinitionsMap.has(classMethodName)) {
            const def = this.methodDefinitionsMap.get(classMethodName);
            def.middlewares.push(cb);
            this.methodDefinitionsMap.set(classMethodName, def);
        }
    }
    addWrapper(cb, classMethodName) {
        if (this.methodDefinitionsMap.has(classMethodName)) {
            const def = this.methodDefinitionsMap.get(classMethodName);
            def.wrappers.push(cb);
            this.methodDefinitionsMap.set(classMethodName, def);
        }
    }
    setPath(path) {
        this.path = path;
    }
    addMethod(route, validators, apiMethod, classMethodName) {
        this.methodDefinitionsMap.set(classMethodName, {
            middlewares: [],
            wrappers: [],
            route,
            validators,
            classMethodName,
            apiMethod
        });
    }
    applyWrappers(originMethod, wrappers) {
        return wrappers.reduce((origin, wrapper) => {
            return route_wrapper_1.wrapperApplier(origin, wrapper);
        }, originMethod);
    }
    initRouter(router, classContext) {
        const controllerRouter = express_1.Router();
        Array.from(this.methodDefinitionsMap.values()).forEach(m => {
            const apiMethod = String(m.apiMethod).toLowerCase();
            const classMethodFunction = classContext[m.classMethodName];
            const requestMethod = (m.wrappers && m.wrappers.length > 0) ?
                this.applyWrappers(classMethodFunction, m.wrappers) :
                classMethodFunction;
            if (classMethodFunction) {
                const boundClassMethod = requestMethod.bind(classContext);
                controllerRouter[apiMethod](m.route, ...m.middlewares, ...m.validators, boundClassMethod);
            }
            else {
                // console.log(classMethodFunction)
            }
        });
        return router.use(this.path, controllerRouter);
    }
}
exports.ControllerDefContainer = ControllerDefContainer;
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