Add measurement summary to list command

internal/cli/list/list.go

@@ -27,9 +27,27 @@ func init() {
 				log.WithError(err).Error("failed to list measurements")
 				return err
 			}
+
+			msmtSummary := output.MeasurementSummaryData{
+				TotalCount:    0,
+				AnomalyCount:  0,
+				DataUsageUp:   0,
+				DataUsageDown: 0,
+			}
 			for _, msmt := range measurements {
+				// FIXME this logic should be adjusted for test groups that have many
+				// measurements in them
+				if msmtSummary.DataUsageUp == 0 {
+					msmtSummary.DataUsageUp = msmt.DataUsageUp
+					msmtSummary.DataUsageDown = msmt.DataUsageDown
+				}
+				if msmt.IsAnomaly.Bool == true {
+					msmtSummary.AnomalyCount++
+				}
+				msmtSummary.TotalCount++
 				output.MeasurementItem(msmt)
 			}
+			output.MeasurementSummary(msmtSummary)
 		} else {
 			doneResults, incompleteResults, err := database.ListResults(ctx.DB)
 			if err != nil {