📦 NEW: rightPrice backend

api/assets/functions/functionObject.js

@@ -1,4 +1,4 @@
-const randomNumberOutput              = require('./main/randomNumber');
+const { randomNumberOutput }          = require('./main/randomNumber');
 const convertRomanArabicNumbersOutput = require('./main/convertRomanArabicNumbers');
 const convertDistanceOutput           = require('./main/convertDistance');
 const convertTemperatureOutput        = require('./main/convertTemperature');
@@ -10,6 +10,7 @@ const heapAlgorithmOutput             = require('./main/heapAlgorithm');
 const convertEncodingOutput           = require('./main/convertEncoding');
 const randomQuote                     = require('./main/randomQuote');
 const linkShortener                   = require('./main/linkShortener');
+const rightPriceOutput                = require('./main/rightPrice');
 
 const functionObject = {
     randomNumber             : randomNumberOutput,
@@ -24,6 +25,7 @@ const functionObject = {
     convertEncoding          : convertEncodingOutput,
     randomQuote              : randomQuote,
     linkShortener            : linkShortener,
+    rightPrice               : rightPriceOutput,
 };
 
 // Choisi la fonction à exécuter

api/assets/functions/main/randomNumber.js

@@ -14,7 +14,7 @@ function randomNumber(min, max) {
 }
 
 /* OUTPUTS */
-module.exports = randomNumberOutput = ({ res, next }, argsObject) => {
+const randomNumberOutput = ({ res, next }, argsObject) => {
     let { min, max } = argsObject;
     
     // S'il n'y a pas les champs obligatoire
@@ -32,3 +32,6 @@ module.exports = randomNumberOutput = ({ res, next }, argsObject) => {
     const result = randomNumber(min, max);
     return res.status(200).json({ result, resultHTML: `<p>Nombre aléatoire compris entre ${min} inclus et ${max} inclus : <strong>${formatNumberResult(result)}</strong></p>` });
 }
+
+exports.randomNumber       = randomNumber;
+exports.randomNumberOutput = randomNumberOutput;

api/assets/functions/main/rightPrice.js

@@ -0,0 +1,49 @@
+const { randomNumber } = require('./randomNumber');
+
+const subjectList = [
+    "smartphone",
+    "pc+gamer",
+    "pc+portable",
+    "TV",
+    "casque",
+    "clavier",
+    "souris",
+    "ecran",
+    "jeux+vidéos"
+];
+
+function getRandomArrayElement(array) {
+    return array[randomNumber(0, array.length - 1)];
+}
+
+async function getAmazonProductList(url) {
+    const Nightmare = require('nightmare')();
+    return await Nightmare.goto(url)
+        .wait('.s-result-item')
+        .evaluate(() => {
+            const amazonProductList = document.querySelectorAll('.s-result-item');
+            const productsList = [];
+            for (let indexProduct in amazonProductList) {
+                try {   
+                    const elementProduct = amazonProductList[indexProduct];
+                    const productImage = elementProduct.querySelector('.s-image');
+                    productsList.push({
+                        name: productImage["alt"],
+                        image: productImage["src"],
+                        price: elementProduct.querySelector(".a-price-whole").innerHTML
+                    });
+                } catch (error) {
+                    continue;
+                }
+            }
+            return productsList;
+        })
+        .end();
+}
+
+module.exports = rightPriceOutput = async ({ res }, _argsObject) => {
+    const subject       = getRandomArrayElement(subjectList);
+    const productsList  = await getAmazonProductList(`https://www.amazon.fr/s?k=${subject}`);
+    const randomProduct = getRandomArrayElement(productsList);
+    return res.status(200).json({ subject, ...randomProduct });
+}

api/package.json

@@ -32,6 +32,7 @@
   "devDependencies": {
     "dotenv": "^8.2.0",
     "morgan": "^1.9.1",
+    "nightmare": "^3.0.2",
     "nodemon": "^2.0.2"
   }
 }