Refactor utils and organize routes/schema

schema/category.model.js

@@ -0,0 +1,16 @@
+const mongoose = require('mongoose');
+const Schema = mongoose.Schema;
+
+// Database schema for an email message
+let Category = new Schema({
+    name: {
+        type: String
+    },
+    color: {
+        type: String
+    },
+}, {
+    collection: 'categories'
+});
+
+module.exports = mongoose.model('Category', Category);

schema/message.model.js

@@ -0,0 +1,19 @@
+const mongoose = require('mongoose');
+const Schema = mongoose.Schema;
+
+// Database schema for an email message
+let Message = new Schema({
+    name: {
+        type: String
+    },
+    subject: {
+        type: String
+    },
+    body: {
+        type: String
+    }
+}, {
+    collection: 'messages'
+});
+
+module.exports = mongoose.model('Message', Message);

schema/post.model.js

@@ -0,0 +1,31 @@
+const mongoose = require('mongoose');
+const Schema = mongoose.Schema;
+
+// Database schema for an email message
+let Post = new Schema({
+    title: {
+        type: String
+    },
+    description: {
+        type: String
+    },
+    author: {
+        type: String
+    },
+    category: {
+        type: Array
+    },
+    link: {
+        type: String
+    }, 
+    date: {
+        type: Date
+    },
+    photo: {
+        type: String
+    }
+}, {
+    collection: 'posts'
+});
+
+module.exports = mongoose.model('Post', Post);

schema/session.model.js

@@ -0,0 +1,19 @@
+const mongoose = require('mongoose');
+const Schema = mongoose.Schema;
+
+// Database schema for a session
+let Session = new Schema({
+    userId: {
+        type: String
+    },
+    sessionId: {
+        type: String
+    },
+    date: {
+        type: Date
+    }
+}, {
+    collection: 'sessions'
+});
+
+module.exports = mongoose.model('Session', Session);

schema/user.model.js

@@ -0,0 +1,25 @@
+const mongoose = require('mongoose');
+const Schema = mongoose.Schema;
+
+// Database schema for a user
+let User = new Schema({
+    email: {
+        type: String
+    },
+    name: {
+        type: String
+    },
+    password: {
+        type: String
+    },
+    permission: {
+        type: Number
+    },
+    favorites: {
+        type: Array
+    }
+}, {
+    collection: 'users'
+});
+
+module.exports = mongoose.model('User', User);