Add Stats Chart

server/stats.go

@@ -2,15 +2,21 @@ package server
 
 import (
 	"bytes"
+	"html/template"
 	"log/slog"
 	"net/http"
 
 	"git.lastassault.de/speatzle/morffix/constants"
+	"github.com/go-echarts/go-echarts/v2/charts"
+	"github.com/go-echarts/go-echarts/v2/opts"
+	"github.com/go-echarts/go-echarts/v2/types"
 	"github.com/jackc/pgx/v5"
 )
 
 type StatsDisplay struct {
 	CodecCounts []CodecCount
+	Element     template.HTML
+	Script      template.HTML
 }
 
 type CodecCount struct {
@@ -35,6 +41,36 @@ func handleStats(w http.ResponseWriter, r *http.Request) {
 	}
 	data.CodecCounts = codecCounts
 
+	chartData := []opts.PieData{}
+	for _, c := range codecCounts {
+		chartData = append(chartData, opts.PieData{
+			Name:  c.Codec,
+			Value: c.Count,
+		})
+	}
+
+	pie := charts.NewPie()
+	pie.SetGlobalOptions(
+		charts.WithInitializationOpts(opts.Initialization{
+			Theme: types.ThemePurplePassion,
+		}),
+		charts.WithTitleOpts(opts.Title{
+			Title: "Codecs",
+		}))
+
+	pie.AddSeries("Codecs", chartData).SetSeriesOptions(charts.WithLabelOpts(
+		opts.Label{
+			Show:      opts.Bool(true),
+			Formatter: "{b}: {c}",
+			Color:     "white",
+		}),
+	)
+
+	snippet := pie.RenderSnippet()
+
+	data.Element = template.HTML(snippet.Element)
+	data.Script = template.HTML(snippet.Script)
+
 	buf := bytes.Buffer{}
 	err = templates.ExecuteTemplate(&buf, constants.STATS_TEMPLATE_NAME, data)
 	if err != nil {