no message

models/message.js

@@ -1,3 +1,5 @@
+const Images = require('../modules/images');
+const Logger = require('../modules/logger');
 const Mongoose = require('mongoose');  
 
 const MessageSchema = new Mongoose.Schema({
@@ -7,6 +9,44 @@ const MessageSchema = new Mongoose.Schema({
   "isUser" : { type: Boolean, default: false, required: true, index: true }
 });
 
+MessageSchema.pre('findOneAndUpdate', function (next) {
+  var message = this;
+  
+  if (message.image && typeof message.image === 'object') {
+    Images.saveMessageImage(message.image, (err, filename) => {
+      if (err) {
+        Logger.error('[MessageSchema.pre(save)] There was an error processing the message image. [' + err + ']', { error: err });
+      }
+      
+      if (filename) {
+        message.image = filename;
+        next();
+      }
+    })
+  } else {
+    next();
+  }
+});
+
+MessageSchema.pre('save', function (next) {
+  var message = this;
+  
+  if (message.image && typeof message.image === 'object') {
+    Images.saveMessageImage(message.image, (err, filename) => {
+      if (err) {
+        Logger.error('[MessageSchema.pre(save)] There was an error processing the message image. [' + err + ']', { error: err });
+      }
+      
+      if (filename) {
+        message.image = filename;
+        next();
+      }
+    })
+  } else {
+    next();
+  }
+});
+
 const MessageModel = Mongoose.model('messages', MessageSchema);
 
 module.exports = {