Pass logger to db

files.js

 "use strict";
 
-const logger = require('../libs/log');
 const s2s = require('string-to-stream');
 
-module.exports.getModelFunctions = model => {
+module.exports.getModelFunctions = (model, logger) => {
 
     let functions = {};
 
@@ -60,7 +59,8 @@ module.exports.getModelFunctions = model => {
         let fileInfo = await model.findOne({_id: id});
 
         if(!fileInfo) {
-            logger.warn(`File ${id} not found in GridFs Model: ${model.modelName}`)
+            if(logger)
+                logger.warn(`File ${id} not found in GridFs Model: ${model.modelName}`)
             return Buffer.from('File not exists!');
         }
 
@@ -87,7 +87,8 @@ module.exports.getModelFunctions = model => {
         let info = await model.findOne({_id: id});
 
          if(!info) {
-             logger.warn(`File ${id} not found in GridFs Model: ${model.modelName}`)
+             if(logger)
+                 logger.warn(`File ${id} not found in GridFs Model: ${model.modelName}`)
              return;
          }
 

index.js

@@ -7,7 +7,7 @@ const files = require('./files');
 
 module.exports.connection = null;
 
-module.exports.connect = async (uri, options) => {
+module.exports.connect = async (uri, options, logger) => {
     options = options || {};
 
     mongoose.set('useNewUrlParser', true);
@@ -35,7 +35,7 @@ module.exports.connect = async (uri, options) => {
             connection: mongoose.connection
         });
 
-        module.exports.filesFS = files.getModelFunctions(filesFS);
+        module.exports.filesFS = files.getModelFunctions(filesFS, logger);
 
         let testingFS = gridFS.createModel({
             bucketName: 'testing',
@@ -43,7 +43,7 @@ module.exports.connect = async (uri, options) => {
             connection: mongoose.connection
         });
 
-        module.exports.testingFS = files.getModelFunctions(testingFS);
+        module.exports.testingFS = files.getModelFunctions(testingFS, logger);
 
         let solutionFS = gridFS.createModel({
             bucketName: 'solution',
@@ -51,7 +51,7 @@ module.exports.connect = async (uri, options) => {
             connection: mongoose.connection
         });
 
-        module.exports.solutionFS = files.getModelFunctions(solutionFS);
+        module.exports.solutionFS = files.getModelFunctions(solutionFS, logger);
 
         module.exports.defines = require('./defines')
         module.exports.attachments = require('./attachment');

timetable.js

@@ -2,8 +2,6 @@
 
 const mongoose = require('mongoose');
 
-const defines = require('./defines');
-
 const TimetableSchema = new mongoose.Schema({
     course: {
         type: mongoose.Schema.Types.ObjectId,