display/table/table.go

/*
 * 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.
 *
 */

package table

import (
	"encoding/json"
	"github.com/olekukonko/tablewriter"
	"os"
)

func Display(object interface{}) error {
	var objMaps []map[string]string

	bytes, _ := json.Marshal(object)
	_ = json.Unmarshal(bytes, &objMaps)

	var header []string

	for k := range objMaps[0] {
		header = append(header, k)
	}

	var data [][]string

	for _, objMap := range objMaps {
		var datum []string
		for _, key := range header {
			datum = append(datum, objMap[key])
		}
		data = append(data, datum)
	}

	table := tablewriter.NewWriter(os.Stdout)
	table.SetHeader(header)
	table.AppendBulk(data)
	table.Render()

	return nil
}