@on-time/core/src/Controller.js

core business logic for OT API

const assert = require('assert');

class Controller {
    constructor(service) {
        this.service = service;
        this.post = this.post.bind(this);
        this.get = this.get.bind(this);
        this.put = this.put.bind(this);
        this.delete = this.delete.bind(this);
    }

    /**
     * Creates a resource with data extracted from http request body.
     * @param request
     * @returns {Promise<{error: *, status: number}|{body: *, status: number}>}
     */
    async post(request){
        try {
            assert(request.body);
            const data = await this.service.create(request.body);
            return { data, status: 201 }
        } catch (error) {
            return { error, status: 500 }
        }
    }
    /**
     * Fetches and returns all resources matching query
     * @param request
     * @returns {Promise<{error: *, status: number}|{body: *, status: number}>}
     */
    async get(request){
        try {
            assert(request.body);
            const data = await this.service.getAll(request.body);
            return { body: data, status: 200 }
        } catch (error) {
            return { error, status: 500 }
        }
    }

    /**
     * Handles PUT requests
     * @param request
     * @returns {Promise<{error: *, status: number}|{body: *, status: number}>}
     */
    async put(request){
        try{
            const data = await this.service.update(request.params.id, request.body);
            return { body: data, status: 200 }
        } catch (error) {
            return { error, status: 500 }
        }
    }

    /**
     * Handles DELETE requests
     * @param request
     * @returns {Promise<{error: *, status: number}|{body: *, status: number}>}
     */
    async delete(request){
        try{
            const data = await this.service.delete(request.params.id);
            return { body: data, status: 200 }
        } catch (error) {
            return { error, status: 500 }
        }
    }
}
module.exports = Controller;