// db

function init (config) {
  var db = mongoose.connect(config.mongodbUrl);
  mongoose.connection.on('error', errorHandler);

  var pushAssociationSchema = new db.Schema({
    user: {
      type: 'String',
      required: true
    },
    type: {
      type: 'String',
      required: true,
      enum: ['ios', 'android'],
      lowercase: true
    },
    token: {
      type: 'String',
      required: true
    }
  });

  PushAssociation = db.model('PushAssociation', pushAssociationSchema);
}

function errorHandler (error) {
    console.error('ERROR: ' + error);
};