loguix/main.js

//Loguix - Système de log simplifié
//Concu par Raphael PICOT - Raphix
//GIT : https://git.raphix.fr/lib/loguix

const fs = require("fs")
const path = require("path")
const basic = require("./basics")

setup()

/**
 * Configuration of Loguix
 */
function setup() {

    if(!fs.existsSync(__dirname + path.sep + "logs" + path.sep)) { 
        fs.mkdir(__dirname + path.sep + "logs", (err) => {
            if(!err) {
               

                console.log("[Logs] - Dossier de logs crée ! !")
 
            } else {

                console.log("[Logs] - Erreur d'écriture par manque de permission ")
                console.log(err)
            }

        })
    
    }

    logStream = fs.createWriteStream(__dirname + path.sep + "logs" + path.sep + basic.getDate(true) + ".log", {
        flags: 'a'
    });
    
    process.config.variables.
    logStream.write("[" + npm_package_name + "@"+ npm_package_version + "] - [" + basic.getDate(true) + "]" + "\n")
    logStream.write("----------------------------------------------------------------" + "\n")

    process.on('uncaughtException', (err) => {
        console.error("["+ "FATAL" + "] - The application has encountered an error ! Please Restart ! #E = " + err + "\n")
        console.error(err)
        logStream.write("[" + basic.getDate() + "] - ["+ "FATAL" + "] - The application has encountered an error ! Please Restart ! #E = " + err + "\n")
        logStream.end( "["+ "UNCAUGHT_EXCEPTION" + "]" + " - [END OF LOGS] - [" + basic.getDate()  + ']')
        logStream.close()
         
    });
    
    
    process.on('beforeExit', (err) => {
        logStream.end( "["+ "BEFORE_EXIT" + "]" + " - [END OF LOGS] - [" + basic.getDate(true)  + ']')
        logStream.close()
         
    });

    
 
}

/**
 * Déclare une nouvelle instance de log
 * @param {string} typeName Indique le nom du type de log
 */
module.exports.LogType = class {

    constructor(typeName) {
        this.type = typeName;
        this.steps = new Map()
        this.step = this.initializeStep()
        logInstance.set(typeName, this)
    }

    log(txt) {

       
        
        var logtext = "[" + this.type + "] - [INFO] - " + txt
        logStream.write("[" + getDate() + "] - " + logtext + "\n")
        console.log(logtext)
        
    
    }

    warn(txt) {
        
        var logtext = "[" + this.type + "] - [WARN] - " + txt
        logStream.write("[" + getDate() + "] - " + logtext + "\n")
        console.log(logtext)
        
    }

    error(txt) {


        var logtext = "[" + this.type + "] - [ERROR] - " + txt
        logStream.write("[" + getDate() + "] - " + logtext + "\n")
        console.log(logtext)
    
    
       
    }


    

    initializeStep() {
        const parent = this;
        return { 
            init: function(id, desc) {
                parent.steps.set(id, desc)
                var logtext = "[" + parent.type + "] - [INFO] - [STEP] - " + desc + " - En cours ..."
                logStream.write("[" + getDate() + "] - " + logtext + "\n")
                console.log(logtext)
            
            },
            end: function(id) {
                
                if(parent.steps.has(id)) {
                    
                    var logtext = "[" + parent.type + "] - [INFO] - [STEP] - " + parent.steps.get(id) + " - Terminé !"
                    logStream.write("[" + getDate() + "] - " + logtext + "\n")
                    console.log(logtext)
                    parent.steps.delete(id)
                } else {
                    
                    var logtext = "[" + parent.type + "] - [WARN] - [STEP] - '" + id +  "' n'est pas enregistré en tant qu'étape !"
                    logStream.write("[" + getDate() + "] - " + logtext + "\n")
                    console.log(logtext)

                }
            
            },
            error: function(id, errorDesc) {

                if(parent.steps.has(id)) {
                   
                    var logtext = "[" + parent.type + "] - [ERROR] - [STEP] - " + parent.steps.get(id) + " - Une erreur a été rencontré dans l'étape ! : #E = " + errorDesc
                    logStream.write("[" + getDate() + "] - " + logtext + "\n")
                    console.log(logtext)
                    parent.steps.delete(id)
                } else {
                    
                    var logtext = "[" + parent.type + "] - [WARN] - [STEP] - '" + id +  "' n'est pas enregistré en tant qu'étape !"
                    logStream.write("[" + getDate() + "] - " + logtext + "\n")
                    console.log(logtext)

                }

            }
        }
    
    }

}