Add Task Status Per Day Bar Chart

server/stats.go

@@ -8,6 +8,7 @@ import (
 	"log/slog"
 	"net/http"
 	"strings"
+	"time"
 
 	"git.lastassault.de/speatzle/morffix/constants"
 	"github.com/go-echarts/go-echarts/v2/charts"
@@ -194,6 +195,66 @@ func generateStats(ctx context.Context) ([]ChartData, error) {
 	}
 	data = append(data, generatePie("Task Status", res))
 
+	type BarTaskRowValue struct {
+		Date   time.Time
+		Status constants.TaskStatus
+		Count  int
+	}
+
+	rows, err = db.Query(ctx,
+		`SELECT date_trunc('day', updated_at) date, status, COUNT(*) AS count
+		FROM tasks
+		WHERE status = $1 OR status = $2
+		GROUP BY 1,2;`, constants.TASK_STATUS_SUCCESS, constants.TASK_STATUS_FAILED)
+	if err != nil {
+		return nil, fmt.Errorf("Query Task Status Day: %w", err)
+	}
+
+	taskStatusDayCounts, err := pgx.CollectRows(rows, pgx.RowToStructByName[BarTaskRowValue])
+	if err != nil {
+		return nil, fmt.Errorf("Collect Task Status Day Data: %w", err)
+	}
+
+	days := []string{}
+	successBarData := []opts.BarData{}
+	failedBarData := []opts.BarData{}
+	for _, v := range taskStatusDayCounts {
+		days = append(days, v.Date.Format(time.DateOnly))
+		if v.Status == constants.TASK_STATUS_SUCCESS {
+			successBarData = append(successBarData, opts.BarData{
+				Value: v.Count,
+			})
+		} else if v.Status == constants.TASK_STATUS_FAILED {
+			failedBarData = append(failedBarData, opts.BarData{
+				Value: v.Count,
+			})
+		}
+
+	}
+	bar := charts.NewBar()
+	bar.SetGlobalOptions(
+		charts.WithInitializationOpts(opts.Initialization{
+			Theme:           "dark",
+			BackgroundColor: "#111",
+		}),
+		charts.WithTitleOpts(opts.Title{
+			Title: "Task Success/Failed Per Day",
+		}),
+	)
+	bar.SetXAxis(days).
+		AddSeries("Success", successBarData).
+		AddSeries("Failed", failedBarData).
+		SetSeriesOptions(charts.WithBarChartOpts(opts.BarChart{
+			Stack: "stackA",
+		}))
+
+	snippet := bar.RenderSnippet()
+
+	data = append(data, ChartData{
+		Element: template.HTML(snippet.Element),
+		Script:  template.HTML(snippet.Script),
+	})
+
 	return data, nil
 }