WikiLerni/app.js

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JavaScript
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require("dotenv").config();
const express = require("express");
const bodyParser = require("body-parser");
const path = require("path");
const log4js = require("log4js");
const timeInitialise = require("./middleware/initialise");
const cronRoutes = require("./routes/cron");
const userRoutes = require("./routes/user");
const userPausesRoutes = require("./routes/pause");
const userPaymentsRoutes = require("./routes/payment");
const questionnairesRoutes = require("./routes/questionnaire");
const groupsRoutes = require("./routes/group");
const questionsRoutes = require("./routes/question");
const choicesRoutes = require("./routes/choice");
const illustrationRoutes = require("./routes/illustration");
const linkRoutes = require("./routes/link");
const tagRoutes = require("./routes/tag");
const config = require("./config/main");
const confLog4js=require("./config/log4js");
const txt = require("./lang/"+config.adminLang+"/general");
const tool = require("./tools/main");
const app = express();
app.use(timeInitialise);
app.use((req, res, next) =>
{
res.setHeader("Access-Control-Allow-Origin", "*");
res.setHeader("Access-Control-Allow-Headers", "Origin, X-Requested-With, Content, Accept, Content-Type, Authorization");
res.setHeader("Access-Control-Allow-Methods", "GET, POST, PUT, DELETE");
next();
});
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app.use(express.static(path.join(__dirname, "front/public/img")));// permet affichage images côté API, notamment favicon.
app.use(bodyParser.json());
app.use("/api/user", userRoutes);
app.use("/api/pause", userPausesRoutes);
app.use("/api/payment", userPaymentsRoutes);
app.use("/api/questionnaire", questionnairesRoutes);
app.use("/api/group", groupsRoutes);
app.use("/api/questionnaire", tagRoutes);
app.use("/api/question", questionsRoutes);
app.use("/api/question", choicesRoutes);
app.use("/api/illustration", illustrationRoutes);
app.use("/api/link", linkRoutes);
app.use("/api/cron", cronRoutes);
// Évalue de la durée de la réponse (!= durée script, car fonctions asynchrones continuent). Mettre next() après réponse des contrôleurs... à contrôler !
// Capture aussi les url inconnues en retournant une erreur 404.
// Je peux aussi recevoir des messages à afficher dans les logs liés aux "cron".
app.use((req, res, next) =>
{
try
{
if(res.headersSent)
{
log4js.configure(confLog4js);// ici, car pas pris en compte si je le fais avant le middleware (?).
const myLogs = log4js.getLogger(config.env);
let timeEnd=Date.now(), maxTime=config.responseTimingAlertInSeconde;
if(req.url.startsWith("/api/cron"))
maxTime=config.cronTimingAlertInSeconde;
const mapMessage =
{
SCRIPT_TIMING: timeEnd-req.timeBegin,
SCRIPT_URL: req.url
};
if(config.env === "development")
{
myLogs.info(tool.replaceAll(txt.scriptTimingInfo, mapMessage));
if(res.alerte)
myLogs.warn(res.alerte);
}
else if((timeEnd-req.timeBegin) > maxTime*1000)
{
myLogs.warn(tool.replaceAll(txt.scriptTimingAlert, mapMessage));
if(res.message)
myLogs.info(res.message);
}
next();
}
else
{
const err = new Error(txt.badUrl);
err.status=404;
next(err);
}
}
catch(e)
{
next(e);
}
});
// Capture et traitement des erreurs
app.use((err, req, res, next) =>
{
const status = (err.status) ? err.status : 500;
if(!res.headersSent)
res.status(status).json({ errors: txt.serverError });
log4js.configure(confLog4js);// même remarque que + haut
const myLogs = log4js.getLogger(config.env);
myLogs.error(txt.serverErrorAdmin, { message : err.message, url: req.url });
});
log4js.shutdown();
module.exports = app;