Finalisation de la pgae de création des sessions
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36
public/functions.js
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36
public/functions.js
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const uuid = require('uuid');
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const dateFormat = require('dateformat');
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// Retour arrière sur les enregistrements en BDD
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function rollback(session, user) {
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db.query('DELETE from participation WHERE user=? AND session=?', [user, session], (error, result) => {
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if(error){ console.log(error) }
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if(result && result.affectedRows > 0) {
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db.query('DELETE from user WHERE id=?', [user], (error, result) => {
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if(error){ console.log(error) }
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if(result && result.affectedRows > 0) {
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db.query('UPDATE session SET nb_of_participants = nb_of_participants - 1 WHERE ID=?', [session], (error, result) => {
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if(error){ console.log(error) }
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if(result && result.affectedRows > 0) {
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console.log('Rollback effectué');
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}
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})
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}
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})
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}
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})
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}
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// Génère un UUID
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function getUuid() {
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return uuid.v4();
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}
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// Récupère la date du jour (pour test des sessions à venir)
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function getNowDate(format) {
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if (!format || format == '') { console.log('FormatInvalide'); exit; }
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return dateFormat(new Date(), format);
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}
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module.exports = { rollback, getUuid, getNowDate }
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