Mastering-Node.js-Web-Development/Chapter 15/Beginning of Chapter/part2app/src/server/api/index.ts

import { Express } from "express";
import { createAdapter } from "./http_adapter";
import { ResultWebService } from "./results_api";
import { Validator } from "./validation_adapter";
import { ResultWebServiceValidation } from "./results_api_validation";
import { FeathersWrapper } from "./feathers_adapter";
import { feathers } from "@feathersjs/feathers";
import feathersExpress, { rest } from "@feathersjs/express";
import { ValidationError } from "./validation_types";

export const createApi = (app: Express) => {

    // createAdapter(app, new Validator(new ResultWebService(), 
    //     ResultWebServiceValidation), "/api/results");

    const feathersApp = feathersExpress(feathers(), app).configure(rest());

    const service = new Validator(new ResultWebService(), 
        ResultWebServiceValidation);

    feathersApp.use('/api/results', new FeathersWrapper(service));

    feathersApp.hooks({
        error: {
            all: [(ctx) => {                        
                    if (ctx.error instanceof ValidationError) {
                        ctx.http = { status: 400};
                        ctx.error = undefined;
                    }
                }]
        }
    });
}