var mongoose = require('mongoose');
var Schema   = mongoose.Schema;

var mdataSchema = new Schema({
	'user_id' : {
	 	type: Schema.Types.ObjectId,
	 	ref: 'user'
	},
	'title' : String,
	'question' : String,
	'timestamp' : Date,
	'tags' : Array,
	'answering_id' : {
	 	type: Schema.Types.ObjectId,
	 	ref: 'mdata'
	},
	'answer' : {
	 	type: Schema.Types.ObjectId,
	 	ref: 'mdata'
	}
});

module.exports = mongoose.model('mdata', mdataSchema);