airbnb/caravel

/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */

import { QueryFormMetric, isSavedMetric, isAdhocMetricSimple } from './types';

export default function getMetricLabel(metric: QueryFormMetric): string {
  if (isSavedMetric(metric)) {
    return metric;
  }
  if (metric.label) {
    return metric.label;
  }
  if (isAdhocMetricSimple(metric)) {
    return `${metric.aggregate}(${
      metric.column.columnName || metric.column.column_name
    })`;
  }
  return metric.sqlExpression;
}