From: Florian Forster <ff@octo.it>
Date: Mon, 22 Jan 2018 07:37:22 +0000 (+0100)
Subject: Write Google Fit entries concurrently.
X-Git-Url: https://git.octo.it/?p=kraftakt.git;a=commitdiff_plain;h=865506366bdebb66328062c1d62579853bba060c

Write Google Fit entries concurrently.
---

diff --git a/gfitsync.go b/gfitsync.go
index 28c0685..4ff1bab 100644
--- a/gfitsync.go
+++ b/gfitsync.go
@@ -6,6 +6,7 @@ import (
 	"fmt"
 	"io/ioutil"
 	"net/http"
+	"sync"
 	"time"
 
 	"github.com/octo/gfitsync/app"
@@ -251,29 +252,49 @@ func handleNotification(ctx context.Context, s *fitbit.Subscription) error {
 		return err
 	}
 
-	if err := gfitClient.SetSteps(ctx, summary.Summary.Steps, tm); err != nil {
-		return fmt.Errorf("gfitClient.SetSteps(%d) = %v", summary.Summary.Steps, err)
-	}
+	var errs appengine.MultiError
+	wg := &sync.WaitGroup{}
 
-	if err := gfitClient.SetCalories(ctx, summary.Summary.CaloriesOut, tm); err != nil {
-		return fmt.Errorf("gfitClient.SetCalories(%d) = %v", summary.Summary.CaloriesOut, err)
-	}
+	wg.Add(1)
+	go func() {
+		if err := gfitClient.SetSteps(ctx, summary.Summary.Steps, tm); err != nil {
+			errs = append(errs, fmt.Errorf("gfitClient.SetSteps(%d) = %v", summary.Summary.Steps, err))
+		}
+		wg.Done()
+	}()
 
-	var distanceMeters float64
-	for _, d := range summary.Summary.Distances {
-		if d.Activity != "total" {
-			continue
+	wg.Add(1)
+	go func() {
+		if err := gfitClient.SetCalories(ctx, summary.Summary.CaloriesOut, tm); err != nil {
+			errs = append(errs, fmt.Errorf("gfitClient.SetCalories(%d) = %v", summary.Summary.CaloriesOut, err))
 		}
-		distanceMeters = 1000.0 * d.Distance
-		break
-	}
-	if err := gfitClient.SetDistance(ctx, distanceMeters, tm); err != nil {
-		return fmt.Errorf("gfitClient.SetDistance(%d) = %v", distanceMeters, err)
-	}
+		wg.Done()
+	}()
+
+	wg.Add(1)
+	go func() {
+		var distanceMeters float64
+		for _, d := range summary.Summary.Distances {
+			if d.Activity != "total" {
+				continue
+			}
+			distanceMeters = 1000.0 * d.Distance
+			break
+		}
+		if err := gfitClient.SetDistance(ctx, distanceMeters, tm); err != nil {
+			errs = append(errs, fmt.Errorf("gfitClient.SetDistance(%d) = %v", distanceMeters, err))
+		}
+		wg.Done()
+	}()
 
-	if err := gfitClient.SetHeartRate(ctx, summary.Summary.HeartRateZones, summary.Summary.RestingHeartRate, tm); err != nil {
-		return fmt.Errorf("gfitClient.SetHeartRate() = %v", err)
-	}
+	wg.Add(1)
+	go func() {
+		if err := gfitClient.SetHeartRate(ctx, summary.Summary.HeartRateZones, summary.Summary.RestingHeartRate, tm); err != nil {
+			errs = append(errs, fmt.Errorf("gfitClient.SetHeartRate() = %v", err))
+		}
+		wg.Done()
+	}()
 
-	return nil
+	wg.Wait()
+	return errs
 }