text: 'use strict';
  
  /**
   * Module dependencies.
   */
  var mongoose = require('mongoose'),
  	Schema = mongoose.Schema;
  
  /**
   * Conceptdependency Schema
   */
  var ConceptdependencySchema = new Schema({
      title: {
          type: String,
          default: '',
          trim: true
      },
      description: {
          type: String,
          default: '',
          trim: true
      },
      dependant: { type: Schema.ObjectId, ref: 'Concept' },
      provider: { type: Schema.ObjectId, ref: 'Concept' },
      course: { type: Schema.ObjectId, ref: 'Course' }
  });
  
  mongoose.model('Conceptdependency', ConceptdependencySchema);
  