build(functionality): new method for list explorers by stack

.eslintrc.js

@@ -10,10 +10,9 @@ module.exports = {
  "ecmaVersion": "latest"
  },
  "rules": {
- "no-unused-vars": "off",
  indent: ["error", 4],
  "linebreak-style": ["error", "unix"],
  quotes: ["error", "double"],
  semi: ["error", "always"]
  }
-};
+};

lib/controllers/ExplorerController.js

@@ -2,25 +2,30 @@ const ExplorerService = require("../services/ExplorerService");
 const FizzbuzzService = require("../services/FizzbuzzService");
 const Reader = require("../utils/reader");
 
-class ExplorerController{
- static getExplorersByMission(mission){
+class ExplorerController {
+ static getExplorersByMission(mission) {
  const explorers = Reader.readJsonFile("explorers.json");
  return ExplorerService.filterByMission(explorers, mission);
  }
 
- static applyFizzbuzz(score){
+ static applyFizzbuzz(score) {
  return FizzbuzzService.applyValidationInNumber(score);
  }
 
- static getExplorersUsernamesByMission(mission){
+ static getExplorersUsernamesByMission(mission) {
  const explorers = Reader.readJsonFile("explorers.json");
  return ExplorerService.getExplorersUsernamesByMission(explorers, mission);
  }
 
- static getExplorersAmonutByMission(mission){
+ static getExplorersAmonutByMission(mission) {
  const explorers = Reader.readJsonFile("explorers.json");
  return ExplorerService.getAmountOfExplorersByMission(explorers, mission);
  }
+
+ static getfilterByStack(stack) {
+ const explorers = Reader.readJsonFile("explorers.json");
+ return ExplorerService.filterByStack(explorers, stack);
+ }
 }
 
-module.exports = ExplorerController;
+module.exports = ExplorerController;

lib/server.js

@@ -5,7 +5,7 @@ app.use(express.json());
 const port = 3000;
 
 app.get("/", (request, response) => {
- response.json({message: "FizzBuzz Api welcome!"});
+ response.json({ message: "FizzBuzz Api welcome!" });
 });
 
 app.get("/v1/explorers/:mission", (request, response) => {
@@ -17,22 +17,27 @@ app.get("/v1/explorers/:mission", (request, response) => {
 app.get("/v1/explorers/amount/:mission", (request, response) => {
  const mission = request.params.mission;
  const explorersAmountInMission = ExplorerController.getExplorersAmonutByMission(mission);
- response.json({mission: request.params.mission, quantity: explorersAmountInMission});
+ response.json({ mission: request.params.mission, quantity: explorersAmountInMission });
 });
 
 app.get("/v1/explorers/usernames/:mission", (request, response) => {
  const mission = request.params.mission;
  const explorersUsernames = ExplorerController.getExplorersUsernamesByMission(mission);
- response.json({mission: request.params.mission, explorers: explorersUsernames});
+ response.json({ mission: request.params.mission, explorers: explorersUsernames });
 });
 
 app.get("/v1/fizzbuzz/:score", (request, response) => {
  const score = parseInt(request.params.score);
  const fizzbuzzTrick = ExplorerController.applyFizzbuzz(score);
- response.json({score: score, trick: fizzbuzzTrick});
+ response.json({ score: score, trick: fizzbuzzTrick });
 });
 
-app.listen(port, () => {
- console.log(`FizzBuzz API in localhost:${port}`);
+app.get("/v1/explorers/stack/:stack", (request, response) => {
+ const stack = request.params.stack;
+ const explorersInStack = ExplorerController.getfilterByStack(stack);
+ response.json(explorersInStack);
 });
 
+app.listen(port, () => {
+ console.log(`FizzBuzz API in localhost:${port}`);
+});

lib/services/ExplorerService.js

@@ -1,21 +1,25 @@
 class ExplorerService {
 
- static filterByMission(explorers, mission){
+ static filterByMission(explorers, mission) {
  const explorersByMission = explorers.filter((explorer) => explorer.mission == mission);
  return explorersByMission;
  }
 
- static getAmountOfExplorersByMission(explorers, mission){
+ static getAmountOfExplorersByMission(explorers, mission) {
  const explorersByMission = ExplorerService.filterByMission(explorers, mission);
  return explorersByMission.length;
  }
 
- static getExplorersUsernamesByMission(explorers, mission){
+ static getExplorersUsernamesByMission(explorers, mission) {
  const explorersByMission = ExplorerService.filterByMission(explorers, mission);
  const explorersUsernames = explorersByMission.map((explorer) => explorer.githubUsername);
  return explorersUsernames;
  }
 
+ static filterByStack(explorers, stack) {
+ const explorersByStack = explorers.filter((explorer) => explorer.stacks == stack);
+ return explorersByStack;
+ }
 }
 
-module.exports = ExplorerService;
+module.exports = ExplorerService;

package.json

@@ -13,7 +13,7 @@
  "author": "",
  "license": "ISC",
  "devDependencies": {
- "eslint": "^8.14.0",
+ "eslint": "^8.15.0",
  "jest": "^27.5.1"
  },
  "dependencies": {

test/services/ExplorerService.test.js

@@ -2,9 +2,14 @@ const ExplorerService = require("./../../lib/services/ExplorerService");
 
 describe("Tests para ExplorerService", () => {
  test("Requerimiento 1: Calcular todos los explorers en una misión", () => {
- const explorers = [{mission: "node"}];
+ const explorers = [{ mission: "node" }];
  const explorersInNode = ExplorerService.filterByMission(explorers, "node");
  expect(explorersInNode.length).toBe(1);
  });
 
-});
+ test("Requerimiento 2: Devolver lista de explorers con ese stack", () => {
+ const explorers = [{ stacks: "javascript" }];
+ const explorersInStack = ExplorerService.filterByStack(explorers, "javascript");
+ expect(explorersInStack.length).toBe(1);
+ });
+});