func (p *CrittercismPlugin) PostGraphToBarchart(job *job.Job, path, name, groupBy string, interval int, f *gotelemetry.Flow) { if data, found := f.BarchartData(); found == true { jq, err := p.api.FetchGraphRaw(path, name, groupBy, interval) if err != nil { job.ReportError(err) return } slices, err := jq.ArrayOfObjects("data", "slices") if err != nil { job.ReportError(err) return } bars := []gotelemetry.BarchartBar{} count := 10 for _, slice := range slices { bar := gotelemetry.BarchartBar{} bar.Color = "#267288" bar.Label = slice["label"].(string) bar.Value = slice["value"].(float64) bars = append(bars, bar) count -= 1 if count == 0 { break } } data.Bars = bars job.PostFlowUpdate(f) job.Logf("Updated flow %s", f.Tag) return } job.ReportError(gotelemetry.NewError(400, "Cannot extract barchart data from flow"+f.Tag)) }