theoludwig/FunctionProject
theoludwig/FunctionProject
Archived
1
1
Fork 0
Code Pull Requests Actions Releases Activity

backend: Première route /functions/:functionName + Gestion des erreurs 404 et 500

Browse Source
This commit is contained in:
Divlo 2020-03-17 12:02:12 +01:00
parent c8ffeea5da
commit 1b4a7a1c09
12 changed files with 360 additions and 12 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
README.md
View File

@ -8,7 +8,5 @@
Le projet est disponible sur [function.divlo.fr](https://function.divlo.fr/).
[![FunctionProject](./img/FunctionProject.png)](https://function.divlo.fr/)
## Licence
Ce projet est sous licence MIT - voir le fichier [LICENSE](./LICENSE) pour plus de détails.

20
backend/app.js
View File

@ -1,19 +1,27 @@
/* Modules */
const express = require('express');
const cors = require('cors');
const morgan = require('morgan');
const express = require('express');
const helmet = require('helmet');
const cors = require('cors');
const morgan = require('morgan');
/* Files Imports & Variables */
const { PORT } = require('./assets/config/config');
const app = express();
const { PORT } = require('./assets/config/config');
const { serverError } = require('./assets/config/errors');
const sendResponse = require('./assets/utils/sendResponse');
const app = express();
/* Middlewares */
app.use(helmet());
app.use(cors());
app.use(morgan('dev'));
app.use(express.json());
/* Routes */
app.get('/', (_req, res) => res.send('Hello world!'));
app.use('/functions', require('./routes/functions'));
/* Errors Handling */
app.use((_req, res, _next) => sendResponse(res, { result: "La route n'existe pas!", httpStatus: 404 })); // 404
app.use((error, _req, res, _next) => { console.log(error); return sendResponse(res, serverError); }); // 500
/* Server */
app.listen(PORT, () => console.log('\x1b[36m%s\x1b[0m', `Started on port ${PORT}.`));

6
backend/assets/config/config.js
View File

@ -1,3 +1,5 @@
module.exports = {
const config = {
PORT: process.env.PORT || 8080
};
};
module.exports = config;

18
backend/assets/config/errors.js Normal file
View File

@ -0,0 +1,18 @@
const errors = {
generalError: {
result: "Vous n'avez pas rentré de valeur valide.",
httpStatus: 400
},
serverError: {
result: "Le serveur n'a pas pu traiter votre requête.",
httpStatus: 500
},
requiredFields: {
result: "Vous devez remplir tous les champs...",
httpStatus: 400
}
};
module.exports = errors;

24
backend/assets/functions/functionObject.js Normal file
View File

@ -0,0 +1,24 @@
const { randomNumberOutput } = require('./main/randomNumber');
const { convertArabicToRomanOutput, convertRomanToArabicOutput } = require('./main/convertRomanArabicNumbers');
const functionObject = {
randomNumber: {
functionOutput: randomNumberOutput,
args: ["min", "max"]
},
convertArabicToRoman: {
functionOutput: convertArabicToRomanOutput,
args: ["number"]
},
convertRomanToArabic: {
functionOutput: convertRomanToArabicOutput,
args: ["romanNumber"]
}
};
// Choisi la fonction à exécuter
function functionToExecute(option) {
return functionObject[option];
}
module.exports = functionToExecute;

109
backend/assets/functions/main/convertRomanArabicNumbers.js Normal file
View File

@ -0,0 +1,109 @@
const sendResponse = require('../../utils/sendResponse');
const { requiredFields, generalError } = require('../../config/errors');
/* Variable pour convertRomanArabicNumbers */
const correspondancesRomainArabe = [
[1000, "M"],
[900, "CM"],
[500, "D"],
[400, "CD"],
[100, "C"],
[90, "XC"],
[50, "L"],
[40, "XL"],
[10, "X"],
[9, "IX"],
[5, "V"],
[4, "IV"],
[1, "I"],
];
/**
* @description Convertis un nombre arabe en nombre romain.
* @requires {@link correspondancesRomainArabe}
* @param {Number} nombre - Le nombre arabe à convertir
* @returns {String}
* @examples convertArabicToRoman(24) → 'XXIV'
*/
function convertArabicToRoman(nombre) {
// Initialisation de la variable qui va contenir le résultat de la conversion
let chiffresRomains = "";
function extraireChiffreRomain(valeurLettre, lettres) {
while (nombre >= valeurLettre) {
chiffresRomains = chiffresRomains + lettres;
nombre = nombre - valeurLettre;
}
}
correspondancesRomainArabe.forEach(correspondance => {
extraireChiffreRomain(correspondance[0], correspondance[1]);
});
return chiffresRomains;
}
/**
* @description Convertis un nombre romain en nombre arabe.
* @requires {@link correspondancesRomainArabe}
* @param {String} str - Le nombre romain à convertir
* @returns {Number}
* @examples convertRomanToArabic('XXIV') → 24
*/
function convertRomanToArabic(str) {
let result = 0;
for (let i = 0;i < correspondancesRomainArabe.length; i++) {
while (str.indexOf(correspondancesRomainArabe[i][1]) === 0) {
// Ajout de la valeur décimale au résultat
result += correspondancesRomainArabe[i][0];
// Supprimer la lettre romaine correspondante du début
str = str.replace(correspondancesRomainArabe[i][1],'');
}
}
if (str != '') {
result = 0;
}
return result;
}
/* OUTPUTS */
exports.convertRomanToArabicOutput = (res, argsObject) => {
let { romanNumber } = argsObject;
// S'il n'y a pas les champs obligatoire
if (!(romanNumber)) {
return sendResponse(res, requiredFields);
}
// Formate le paramètre
try {
romanNumber = romanNumber.toUpperCase();
}
catch {
return sendResponse(res, generalError);
}
const result = convertRomanToArabic(romanNumber);
if (result === 0) {
return sendResponse(res, generalError);
}
return sendResponse(res, { result, httpStatus: 200 }, true);
}
exports.convertArabicToRomanOutput = (res, argsObject) => {
let { number } = argsObject;
number = parseInt(number);
// S'il n'y a pas les champs obligatoire
if (!(number)) {
return sendResponse(res, requiredFields);
}
// Si ce n'est pas un nombre
if (isNaN(number)) {
return sendResponse(res, { result: "Veuillez rentré un nombre valide.", httpStatus: 400 });
}
return sendResponse(res, { result: convertArabicToRoman(number) }, true);
}

32
backend/assets/functions/main/randomNumber.js Normal file
View File

@ -0,0 +1,32 @@
const sendResponse = require('../../utils/sendResponse');
const { requiredFields } = require('../../config/errors');
/**
* @description Génère un nombre aléatoire entre un minimum inclus et un maximum inclus.
* @param {Number} min Nombre Minimum
* @param {Number} max Nombre Maximum
* @returns {Number} Nombre aléatoire
* @examples randomNumber(1, 2) → retourne soit 1 ou 2
*/
function randomNumber(min, max) {
return Math.floor(Math.random() * (max - min +1)) + min;
}
/* OUTPUTS */
exports.randomNumberOutput = (res, argsObject) => {
let { min, max } = argsObject;
min = parseInt(min);
max = parseInt(max);
// S'il n'y a pas les champs obligatoire
if (!(min && max)) {
return sendResponse(res, requiredFields);
}
// Si ce n'est pas des nombres
if (isNaN(min) || isNaN(max)) {
return sendResponse(res, { result: "Les paramètres min et max doivent être des nombres...", httpStatus: 400 });
}
return sendResponse(res, { result: randomNumber(min, max) }, true);
}

2
backend/assets/utils/sendResponse.js
View File

@ -2,7 +2,7 @@
* @description Envoie la réponse au client
* @param {Response} res Objet réponse d'une réponse http/express
* @param {Object} object { httpStatus, customProperties{Object}, result }
* @param {Boolean} isSuccess
* @param {Boolean} isSuccess (false par defaut)
*/
function sendResponse (res, object, isSuccess = false) {
res.status(object.httpStatus || 200).send({ isSuccess, ...object.customProperties, result: object.result });

10
backend/controllers/functions.js Normal file
View File

@ -0,0 +1,10 @@
const functionToExecute = require('../assets/functions/functionObject');
const sendResponse = require('../assets/utils/sendResponse');
exports.executeFunctionName = (req, res, _next) => {
const functionObject = functionToExecute(req.params.functionName);
if (functionObject !== undefined) {
return functionObject.functionOutput(res, req.body);
}
return sendResponse(res, { result: "La fonction n'existe pas.", httpStatus: 404 });
}

135
backend/package-lock.json generated
View File

@ -96,6 +96,11 @@
"type-is": "~1.6.17"
}
},
"bowser": {
"version": "2.9.0",
"resolved": "https://registry.npmjs.org/bowser/-/bowser-2.9.0.tgz",
"integrity": "sha512-2ld76tuLBNFekRgmJfT2+3j5MIrP6bFict8WAIT3beq+srz1gcKNAdNKMqHqauQt63NmAa88HfP1/Ypa9Er3HA=="
},
"boxen": {
"version": "1.3.0",
"resolved": "https://registry.npmjs.org/boxen/-/boxen-1.3.0.tgz",
@ -141,6 +146,11 @@
"integrity": "sha1-1UVjW+HjPFQmScaRc+Xeas+uNN0=",
"dev": true
},
"camelize": {
"version": "1.0.0",
"resolved": "https://registry.npmjs.org/camelize/-/camelize-1.0.0.tgz",
"integrity": "sha1-FkpUg+Yw+kMh5a8HAg5TGDGyYJs="
},
"capture-stack-trace": {
"version": "1.0.1",
"resolved": "https://registry.npmjs.org/capture-stack-trace/-/capture-stack-trace-1.0.1.tgz",
@ -229,6 +239,11 @@
"safe-buffer": "5.1.2"
}
},
"content-security-policy-builder": {
"version": "2.1.0",
"resolved": "https://registry.npmjs.org/content-security-policy-builder/-/content-security-policy-builder-2.1.0.tgz",
"integrity": "sha512-/MtLWhJVvJNkA9dVLAp6fg9LxD2gfI6R2Fi1hPmfjYXSahJJzcfvoeDOxSyp4NvxMuwWv3WMssE9o31DoULHrQ=="
},
"content-type": {
"version": "1.0.4",
"resolved": "https://registry.npmjs.org/content-type/-/content-type-1.0.4.tgz",
@ -279,6 +294,11 @@
"integrity": "sha1-ojD2T1aDEOFJgAmUB5DsmVRbyn4=",
"dev": true
},
"dasherize": {
"version": "2.0.0",
"resolved": "https://registry.npmjs.org/dasherize/-/dasherize-2.0.0.tgz",
"integrity": "sha1-bYCcnNDPe7iVLYD8hPoT1H3bEwg="
},
"debug": {
"version": "2.6.9",
"resolved": "https://registry.npmjs.org/debug/-/debug-2.6.9.tgz",
@ -303,6 +323,16 @@
"resolved": "https://registry.npmjs.org/destroy/-/destroy-1.0.4.tgz",
"integrity": "sha1-l4hXRCxEdJ5CBmE+N5RiBYJqvYA="
},
"dns-prefetch-control": {
"version": "0.2.0",
"resolved": "https://registry.npmjs.org/dns-prefetch-control/-/dns-prefetch-control-0.2.0.tgz",
"integrity": "sha512-hvSnros73+qyZXhHFjx2CMLwoj3Fe7eR9EJsFsqmcI1bB2OBWL/+0YzaEaKssCHnj/6crawNnUyw74Gm2EKe+Q=="
},
"dont-sniff-mimetype": {
"version": "1.1.0",
"resolved": "https://registry.npmjs.org/dont-sniff-mimetype/-/dont-sniff-mimetype-1.1.0.tgz",
"integrity": "sha512-ZjI4zqTaxveH2/tTlzS1wFp+7ncxNZaIEWYg3lzZRHkKf5zPT/MnEG6WL0BhHMJUabkh8GeU5NL5j+rEUCb7Ug=="
},
"dot-prop": {
"version": "4.2.0",
"resolved": "https://registry.npmjs.org/dot-prop/-/dot-prop-4.2.0.tgz",
@ -359,6 +389,11 @@
"strip-eof": "^1.0.0"
}
},
"expect-ct": {
"version": "0.2.0",
"resolved": "https://registry.npmjs.org/expect-ct/-/expect-ct-0.2.0.tgz",
"integrity": "sha512-6SK3MG/Bbhm8MsgyJAylg+ucIOU71/FzyFalcfu5nY19dH8y/z0tBJU0wrNBXD4B27EoQtqPF/9wqH0iYAd04g=="
},
"express": {
"version": "4.17.1",
"resolved": "https://registry.npmjs.org/express/-/express-4.17.1.tgz",
@ -396,6 +431,11 @@
"vary": "~1.1.2"
}
},
"feature-policy": {
"version": "0.3.0",
"resolved": "https://registry.npmjs.org/feature-policy/-/feature-policy-0.3.0.tgz",
"integrity": "sha512-ZtijOTFN7TzCujt1fnNhfWPFPSHeZkesff9AXZj+UEjYBynWNUIYpC87Ve4wHzyexQsImicLu7WsC2LHq7/xrQ=="
},
"fill-range": {
"version": "7.0.1",
"resolved": "https://registry.npmjs.org/fill-range/-/fill-range-7.0.1.tgz",
@ -424,6 +464,11 @@
"resolved": "https://registry.npmjs.org/forwarded/-/forwarded-0.1.2.tgz",
"integrity": "sha1-mMI9qxF1ZXuMBXPozszZGw/xjIQ="
},
"frameguard": {
"version": "3.1.0",
"resolved": "https://registry.npmjs.org/frameguard/-/frameguard-3.1.0.tgz",
"integrity": "sha512-TxgSKM+7LTA6sidjOiSZK9wxY0ffMPY3Wta//MqwmX0nZuEHc8QrkV8Fh3ZhMJeiH+Uyh/tcaarImRy8u77O7g=="
},
"fresh": {
"version": "0.5.2",
"resolved": "https://registry.npmjs.org/fresh/-/fresh-0.5.2.tgz",
@ -491,6 +536,76 @@
"integrity": "sha1-tdRU3CGZriJWmfNGfloH87lVuv0=",
"dev": true
},
"helmet": {
"version": "3.21.3",
"resolved": "https://registry.npmjs.org/helmet/-/helmet-3.21.3.tgz",
"integrity": "sha512-8OjGNdpG3WQhPO71fSy2fT4X3FSNutU1LDeAf+YS+Vil6r+fE7w8per5mNed6egGYbZl3QhKXgFzMYSwys+YQw==",
"requires": {
"depd": "2.0.0",
"dns-prefetch-control": "0.2.0",
"dont-sniff-mimetype": "1.1.0",
"expect-ct": "0.2.0",
"feature-policy": "0.3.0",
"frameguard": "3.1.0",
"helmet-crossdomain": "0.4.0",
"helmet-csp": "2.9.5",
"hide-powered-by": "1.1.0",
"hpkp": "2.0.0",
"hsts": "2.2.0",
"ienoopen": "1.1.0",
"nocache": "2.1.0",
"referrer-policy": "1.2.0",
"x-xss-protection": "1.3.0"
},
"dependencies": {
"depd": {
"version": "2.0.0",
"resolved": "https://registry.npmjs.org/depd/-/depd-2.0.0.tgz",
"integrity": "sha512-g7nH6P6dyDioJogAAGprGpCtVImJhpPk/roCzdb3fIh61/s/nPsfR6onyMwkCAR/OlC3yBC0lESvUoQEAssIrw=="
}
}
},
"helmet-crossdomain": {
"version": "0.4.0",
"resolved": "https://registry.npmjs.org/helmet-crossdomain/-/helmet-crossdomain-0.4.0.tgz",
"integrity": "sha512-AB4DTykRw3HCOxovD1nPR16hllrVImeFp5VBV9/twj66lJ2nU75DP8FPL0/Jp4jj79JhTfG+pFI2MD02kWJ+fA=="
},
"helmet-csp": {
"version": "2.9.5",
"resolved": "https://registry.npmjs.org/helmet-csp/-/helmet-csp-2.9.5.tgz",
"integrity": "sha512-w9nps5adqFQwgktVPDbXkARmZot/nr8aegzQas9AXdBSwBFBBefPpDSTV0wtgHlAUdDwY6MZo7qAl9yts3ppJg==",
"requires": {
"bowser": "2.9.0",
"camelize": "1.0.0",
"content-security-policy-builder": "2.1.0",
"dasherize": "2.0.0"
}
},
"hide-powered-by": {
"version": "1.1.0",
"resolved": "https://registry.npmjs.org/hide-powered-by/-/hide-powered-by-1.1.0.tgz",
"integrity": "sha512-Io1zA2yOA1YJslkr+AJlWSf2yWFkKjvkcL9Ni1XSUqnGLr/qRQe2UI3Cn/J9MsJht7yEVCe0SscY1HgVMujbgg=="
},
"hpkp": {
"version": "2.0.0",
"resolved": "https://registry.npmjs.org/hpkp/-/hpkp-2.0.0.tgz",
"integrity": "sha1-EOFCJk52IVpdMMROxD3mTe5tFnI="
},
"hsts": {
"version": "2.2.0",
"resolved": "https://registry.npmjs.org/hsts/-/hsts-2.2.0.tgz",
"integrity": "sha512-ToaTnQ2TbJkochoVcdXYm4HOCliNozlviNsg+X2XQLQvZNI/kCHR9rZxVYpJB3UPcHz80PgxRyWQ7PdU1r+VBQ==",
"requires": {
"depd": "2.0.0"
},
"dependencies": {
"depd": {
"version": "2.0.0",
"resolved": "https://registry.npmjs.org/depd/-/depd-2.0.0.tgz",
"integrity": "sha512-g7nH6P6dyDioJogAAGprGpCtVImJhpPk/roCzdb3fIh61/s/nPsfR6onyMwkCAR/OlC3yBC0lESvUoQEAssIrw=="
}
}
},
"http-errors": {
"version": "1.7.2",
"resolved": "https://registry.npmjs.org/http-errors/-/http-errors-1.7.2.tgz",
@ -511,6 +626,11 @@
"safer-buffer": ">= 2.1.2 < 3"
}
},
"ienoopen": {
"version": "1.1.0",
"resolved": "https://registry.npmjs.org/ienoopen/-/ienoopen-1.1.0.tgz",
"integrity": "sha512-MFs36e/ca6ohEKtinTJ5VvAJ6oDRAYFdYXweUnGY9L9vcoqFOU4n2ZhmJ0C4z/cwGZ3YIQRSB3XZ1+ghZkY5NQ=="
},
"ignore-by-default": {
"version": "1.0.1",
"resolved": "https://registry.npmjs.org/ignore-by-default/-/ignore-by-default-1.0.1.tgz",
@ -750,6 +870,11 @@
"resolved": "https://registry.npmjs.org/negotiator/-/negotiator-0.6.2.tgz",
"integrity": "sha512-hZXc7K2e+PgeI1eDBe/10Ard4ekbfrrqG8Ep+8Jmf4JID2bNg7NvCPOZN+kfF574pFQI7mum2AUqDidoKqcTOw=="
},
"nocache": {
"version": "2.1.0",
"resolved": "https://registry.npmjs.org/nocache/-/nocache-2.1.0.tgz",
"integrity": "sha512-0L9FvHG3nfnnmaEQPjT9xhfN4ISk0A8/2j4M37Np4mcDesJjHgEUfgPhdCyZuFI954tjokaIj/A3NdpFNdEh4Q=="
},
"nodemon": {
"version": "2.0.2",
"resolved": "https://registry.npmjs.org/nodemon/-/nodemon-2.0.2.tgz",
@ -949,6 +1074,11 @@
"picomatch": "^2.0.7"
}
},
"referrer-policy": {
"version": "1.2.0",
"resolved": "https://registry.npmjs.org/referrer-policy/-/referrer-policy-1.2.0.tgz",
"integrity": "sha512-LgQJIuS6nAy1Jd88DCQRemyE3mS+ispwlqMk3b0yjZ257fI1v9c+/p6SD5gP5FGyXUIgrNOAfmyioHwZtYv2VA=="
},
"registry-auth-token": {
"version": "3.4.0",
"resolved": "https://registry.npmjs.org/registry-auth-token/-/registry-auth-token-3.4.0.tgz",
@ -1244,6 +1374,11 @@
"signal-exit": "^3.0.2"
}
},
"x-xss-protection": {
"version": "1.3.0",
"resolved": "https://registry.npmjs.org/x-xss-protection/-/x-xss-protection-1.3.0.tgz",
"integrity": "sha512-kpyBI9TlVipZO4diReZMAHWtS0MMa/7Kgx8hwG/EuZLiA6sg4Ah/4TRdASHhRRN3boobzcYgFRUFSgHRge6Qhg=="
},
"xdg-basedir": {
"version": "3.0.0",
"resolved": "https://registry.npmjs.org/xdg-basedir/-/xdg-basedir-3.0.0.tgz",

3
backend/package.json
View File

@ -11,7 +11,8 @@
"license": "MIT",
"dependencies": {
"cors": "^2.8.5",
"express": "^4.17.1"
"express": "^4.17.1",
"helmet": "^3.21.3"
},
"devDependencies": {
"morgan": "^1.9.1",

11
backend/routes/functions.js Normal file
View File

@ -0,0 +1,11 @@
const { Router } = require('express');
const { executeFunctionName } = require('../controllers/functions');
const FunctionsRouter = Router();
FunctionsRouter.route('/:functionName')
// Exécute la fonction demandée en paramètre
.post(executeFunctionName);
module.exports = FunctionsRouter;