Create bar chart

main.go

package main

import (
	"encoding/csv"
	"log"
	"os"
	"sort"
	"strconv"
	"github.com/go-echarts/go-echarts/v2/charts"
	"github.com/go-echarts/go-echarts/v2/opts"
)

func createChart(sortedData DataList) {
	bar := charts.NewBar()
	bar.SetGlobalOptions(charts.WithTitleOpts(opts.Title{
		Title:    "PC Games Sales",
		Subtitle: "Best selling PC games",
	}))
	bar.SetXAxis([]string{
		sortedData[0].Key[:4], sortedData[1].Key[:4], sortedData[2].Key[:4], sortedData[3].Key[:4],
		sortedData[4].Key[:4], sortedData[5].Key[:4], sortedData[6].Key[:4],
		sortedData[7].Key[:4], sortedData[8].Key[:4], sortedData[9].Key[:4],
	}).AddSeries("Values", generateBarItems(sortedData))
	f, _ := os.Create("games.html")
	bar.Render(f)
}

func generateBarItems(data DataList) []opts.BarData {
	barData := []float64{}
	items := make([]opts.BarData, 0)
	for i := 0; i < 10; i++ {
		barData = append(barData, data[i].Value)
	}
	for _, v := range barData {
		items = append(items, opts.BarData{Value: v})
	}
	return items
}