log into a file

terminus-core/src/services/log.service.ts

@@ -1,12 +1,47 @@
 import { Injectable } from '@angular/core'
+import { ElectronService } from './electron.service'
+import * as winston from 'winston'
+import * as fs from 'fs'
+import * as path from 'path'
+
+const initializeWinston = (electron: ElectronService) => {
+    const logDirectory = electron.app.getPath('userData')
+
+    if (!fs.existsSync(logDirectory)) {
+        fs.mkdirSync(logDirectory)
+    }
+
+    return new winston.Logger({
+        transports: [
+            new winston.transports.File({
+                level: 'info',
+                filename: path.join(logDirectory, 'log.txt'),
+                handleExceptions: false,
+                json: false,
+                maxsize: 5242880,
+                maxFiles: 5,
+                colorize: false
+            }),
+            new winston.transports.Console({
+                level: 'info',
+                handleExceptions: false,
+                json: false,
+                colorize: true
+            })
+        ],
+        exitOnError: false
+    })
+}
 
 export class Logger {
     constructor (
+        private winstonLogger: any,
         private name: string,
     ) {}
 
     doLog (level: string, ...args: any[]) {
         console[level](`%c[${this.name}]`, 'color: #aaa', ...args)
+        this.winstonLogger[level](...args)
     }
 
     debug (...args: any[]) { this.doLog('debug', ...args) }
@@ -18,7 +53,13 @@ export class Logger {
 
 @Injectable()
 export class LogService {
+    private log: any
+
+    constructor (electron: ElectronService) {
+        this.log = initializeWinston(electron)
+    }
+
     create (name: string): Logger {
-        return new Logger(name)
+        return new Logger(this.log, name)
     }
 }