module.exports = function (mongoose) {
  Schema = mongoose.Schema;

  var schema = new Schema({
    user: { type: Schema.Types.ObjectId, ref: 'User' },
    geometry: {
      type: {
        type: String,
        required: true,
        enum: ['Point'],
        default: 'Point'
      },
      coordinates: { type: [Number], index: '2dsphere' }
    },
  }, { timestamps: true });

  return mongoose.model('Location', schema);
}