@bestcodetools/api-node-base/dist/src/domain/http/handler/index.js

BestCodeTools Node Base for Backend API

"use strict";
var __importDefault = (this && this.__importDefault) || function (mod) {
    return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", { value: true });
const handler_1 = __importDefault(require("../../../@types/interfaces/http/handler"));
class HttpHandler {
    constructor(request, response, next, command) {
        this.request = request;
        this.response = response;
        this.next = next;
        this.command = command;
        this.setupHandlers();
    }
    setupHandlers() {
        this.command.on('badRequest', this.onBadRequest.bind(this));
        this.command.on('internalError', this.onInternalError.bind(this));
        this.command.on('notImplemented', this.onNotImplemented.bind(this));
        this.command.on('unprocessableEntity', this.onUnprocessableEntity.bind(this));
        this.command.on('forbidden', this.onForbidden.bind(this));
        this.command.on('unauthorized', this.onUnauthorized.bind(this));
        this.command.on('success', this.onSuccess.bind(this));
        this.command.on('created', this.onCreated.bind(this));
        this.command.on('continue', this.next.bind(this));
    }
    send(statusCode, body, headers) {
        const sendHeaders = { ...headers };
        this.response.status(statusCode);
        Object.entries(sendHeaders).forEach(([key, value]) => {
            this.response.setHeader(key, value);
        });
        if (body && typeof body === 'object') {
            this.response.json(body);
        }
        else if (['', null, undefined].includes(body)) {
            this.response.send('');
        }
        else {
            this.response.send(body);
        }
    }
    onBadRequest(body, headers) {
        this.send(400, body, headers);
    }
    onUnprocessableEntity(body, headers) {
        this.send(422, body, headers);
    }
    onUnauthorized(body, headers) {
        this.send(401, body, headers);
    }
    onForbidden(body, headers) {
        this.send(403, body, headers);
    }
    onInternalError(body, headers) {
        this.send(500, body, headers);
    }
    onNotImplemented(body, headers) {
        this.send(501, body, headers);
    }
    onSuccess(body, headers) {
        this.send(200, body, headers);
    }
    onCreated(body, headers) {
        this.send(201, body, headers);
    }
    buildInput() {
        const headers = { ...this.request.headers };
        const data = { ...this.request.query, ...this.request.body, ...this.request.params };
        return { data, headers };
    }
    async handle() {
        const payload = this.buildInput();
        await this.command.execute(payload);
    }
}
exports.default = HttpHandler;
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