text: 'use strict';
  
  var mongoose = require('mongoose');
  var Schema   = mongoose.Schema;
  
  var ArticleSchema = new Schema({
    created: {
      type:    Date,
      default: Date.now
    },
    title:   {
      type:     String,
      default:  '',
      trim:     true,
      required: 'Title cannot be blank'
    },
    content: {
      type:    String,
      default: '',
      trim:    true
    },
    creator: {
      type: Schema.ObjectId,
      ref:  'User'
    }
  });
  
  mongoose.model('Article', ArticleSchema);
  