📦 NEW: Function linkShortener backend

api/app.js

@@ -37,12 +37,12 @@ app.use((error, _req, res, _next) => {
 });
 
 /* Database Relations */
-const Functions  = require('./models/functions');
+const Functions   = require('./models/functions');
-const Categories = require('./models/categories');
+const Categories  = require('./models/categories');
-const Users      = require('./models/users');
+const Users       = require('./models/users');
-const Favorites  = require('./models/favorites');
+const Favorites   = require('./models/favorites');
-const Comments   = require('./models/comments');
+const Comments    = require('./models/comments');
-const Quotes     = require('./models/quotes');
+const Quotes      = require('./models/quotes');
 
 // A function has a category
 Categories.hasOne(Functions, { constraints: true, onDelete: 'CASCADE'});

api/assets/functions/functionObject.js

@@ -9,6 +9,7 @@ const calculateAgeOutput              = require('./main/calculateAge');
 const heapAlgorithmOutput             = require('./main/heapAlgorithm');
 const convertEncodingOutput           = require('./main/convertEncoding');
 const randomQuote                     = require('./main/randomQuote');
+const linkShortener                   = require('./main/linkShortener');
 
 const functionObject = {
     randomNumber             : randomNumberOutput,
@@ -22,6 +23,7 @@ const functionObject = {
     heapAlgorithm            : heapAlgorithmOutput,
     convertEncoding          : convertEncodingOutput,
     randomQuote              : randomQuote,
+    linkShortener            : linkShortener,
 };
 
 // Choisi la fonction à exécuter

api/assets/functions/main/linkShortener.js

@@ -0,0 +1,52 @@
+const validator                       = require('validator');
+const errorHandling                   = require('../../utils/errorHandling');
+const { requiredFields, serverError } = require('../../config/errors');
+const Short_links                     = require('../../../models/short_links');
+
+module.exports = linkShortener = async ({ res, next }, argsObject) => {
+    let { url, shortcutName } = argsObject;
+
+    // S'il n'y a pas les champs obligatoire
+    if (!(url && shortcutName)) {
+        return errorHandling(next, requiredFields);
+    }
+
+    // Si ce n'est pas une url
+    if (!validator.isURL(url)) {
+        return errorHandling(next, { message: "Veuillez entré une URL valide.", statusCode: 400 });
+    }
+
+    // Si ce n'est pas de type slug
+    if (!validator.isSlug(shortcutName)) {
+        return errorHandling(next, { message: "Le nom de votre raccourci doit être de type slug (ne pas contenir d'espaces, ni de caractères spéciaux).", statusCode: 400 });
+    }
+
+    // Sanitize shortcutName
+    shortcutName = validator.escape(shortcutName);
+    shortcutName = validator.trim(shortcutName);
+    shortcutName = validator.blacklist(shortcutName, ' ');
+
+    try {
+        // Si l'url a déjà été raccourcie
+        const urlInDatabase = await Short_links.findOne({ where: { url } });
+        if (urlInDatabase) {
+            const urlShort = `https://short-links.divlo.fr/?q=${urlInDatabase.shortcut}`;
+            return errorHandling(next, { message: `L'url a déjà été raccourcie... <br/> <br/> <a target="_blank" rel="noopener noreferrer" href="${urlShort}">${urlShort}</a>`, statusCode: 400 });
+        }
+
+        // Si le nom du raccourci existe déjà
+        const shortcutInDatabase = await Short_links.findOne({ where: { shortcut: shortcutName } });
+        if (shortcutInDatabase) {
+            const urlShort = `https://short-links.divlo.fr/?q=${shortcutInDatabase.shortcut}`;
+            return errorHandling(next, { message: `Le nom du raccourci a déjà été utilisé... <br/> <br/> <a target="_blank" rel="noopener noreferrer" href="${urlShort}">${urlShort}</a>`, statusCode: 400 });
+        }
+
+        // Ajout du lien raccourci
+        const result             = await Short_links.create({ url, shortcut: shortcutName });
+        const shortcutLinkResult = `https://short-links.divlo.fr/?q=${result.shortcut}`;
+        return res.status(200).json({ resultHTML: `URL Raccourcie : <br/> <br/> <a target="_blank" rel="noopener noreferrer" href="${shortcutLinkResult}">${shortcutLinkResult}</a>`, result: shortcutLinkResult });
+    } catch {
+        console.log(error);
+        return errorHandling(next, serverError);
+    }
+}

api/models/short_links.js

@@ -0,0 +1,19 @@
+const Sequelize = require('sequelize');
+const sequelize = require('../assets/utils/database');
+
+module.exports = sequelize.define('short_link', {
+    id: {
+        type: Sequelize.INTEGER,
+        allowNull: false,
+        autoIncrement: true,
+        primaryKey: true
+    },
+    url: {
+        type: Sequelize.TEXT,
+        allowNull: false,
+    },
+    shortcut: {
+        type: Sequelize.TEXT,
+        allowNull: false,
+    }
+});

api/package-lock.json

@@ -1545,6 +1545,11 @@
           "version": "3.4.0",
           "resolved": "https://registry.npmjs.org/uuid/-/uuid-3.4.0.tgz",
           "integrity": "sha512-HjSDRw6gZE5JMggctHBcjVak08+KEVhSIiDzFnT9S9aegmp85S/bReBVTb4QTFaRNptJ9kuYaNhnbNEOkbKb/A=="
+        },
+        "validator": {
+          "version": "10.11.0",
+          "resolved": "https://registry.npmjs.org/validator/-/validator-10.11.0.tgz",
+          "integrity": "sha512-X/p3UZerAIsbBfN/IwahhYaBbY68EN/UQBWHtsbXGT5bfrH/p4NQzUCG1kF/rtKaNpnJ7jAu6NGTdSNtyNIXMw=="
         }
       }
     },
@@ -1798,9 +1803,9 @@
       "integrity": "sha512-vy9V/+pKG+5ZTYKf+VcphF5Oc6EFiu3W8Nv3P3zIh0EqVI80ZxOzuPfe9EHjkFNvf8+xuTHVeei4Drydlx4zjw=="
     },
     "validator": {
-      "version": "10.11.0",
+      "version": "13.0.0",
-      "resolved": "https://registry.npmjs.org/validator/-/validator-10.11.0.tgz",
+      "resolved": "https://registry.npmjs.org/validator/-/validator-13.0.0.tgz",
-      "integrity": "sha512-X/p3UZerAIsbBfN/IwahhYaBbY68EN/UQBWHtsbXGT5bfrH/p4NQzUCG1kF/rtKaNpnJ7jAu6NGTdSNtyNIXMw=="
+      "integrity": "sha512-anYx5fURbgF04lQV18nEQWZ/3wHGnxiKdG4aL8J+jEDsm98n/sU/bey+tYk6tnGJzm7ioh5FoqrAiQ6m03IgaA=="
     },
     "vary": {
       "version": "1.1.2",

api/package.json

@@ -25,7 +25,8 @@
     "nodemailer": "^6.4.6",
     "sequelize": "^5.21.5",
     "smart-request-balancer": "^2.1.1",
-    "uuid": "^7.0.2"
+    "uuid": "^7.0.2",
+    "validator": "^13.0.0"
   },
   "devDependencies": {
     "dotenv": "^8.2.0",