added article

test/data/schemas/article.js

@@ -0,0 +1,20 @@
+var Schema = require('mongoose').Schema;
+
+var ArticleSchema = new Schema({
+  title: {
+    type: String,
+    unique: true
+  },
+  body: String,
+  author: {
+    type: Schema.ObjectId,
+    ref: 'User',
+    required: true
+  },
+  created_at: {
+    type: Date,
+    'default': Date.now
+  }
+});
+
+module.exports = ArticleSchema;

test/data/schemas/user.js

@@ -0,0 +1,17 @@
+var mongoose = require('mongoose');
+
+var UserSchema = new mongoose.Schema({
+  username: {type: String, unique: true},
+  name: String,
+  password: String,
+});
+
+UserSchema.methods.recentArticles = function(callback) {
+return this.model('Article')
+.find({author: this._id})
+//.sort('created_at', 1)
+.limit(5)
+.exec(callback);
+};
+
+module.exports = UserSchema;