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// Copyright 2014 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package main
import (
"fmt"
"log"
"net/http"
"os"
"strings"
"time"
fitness "google.golang.org/api/fitness/v1"
)
const (
layout = "Jan 2, 2006 at 3:04pm" // for time.Format
nanosPerMilli = 1e6
)
func init() {
scopes := []string{
fitness.FitnessActivityReadScope,
fitness.FitnessActivityWriteScope,
fitness.FitnessBodyReadScope,
fitness.FitnessBodyWriteScope,
fitness.FitnessLocationReadScope,
fitness.FitnessLocationWriteScope,
}
registerDemo("fitness", strings.Join(scopes, " "), fitnessMain)
}
// millisToTime converts Unix millis to time.Time.
func millisToTime(t int64) time.Time {
return time.Unix(0, t*nanosPerMilli)
}
// fitnessMain is an example that demonstrates calling the Fitness API.
//
// Example usage:
// go build -o go-api-demo *.go
// go-api-demo -clientid="my-clientid" -secret="my-secret" fitness
func fitnessMain(client *http.Client, argv []string) {
if len(argv) != 0 {
fmt.Fprintln(os.Stderr, "Usage: fitness")
return
}
svc, err := fitness.New(client)
if err != nil {
log.Fatalf("Unable to create Fitness service: %v", err)
}
us, err := svc.Users.Sessions.List("me").Do()
if err != nil {
log.Fatalf("Unable to retrieve user's sessions: %v", err)
}
if len(us.Session) == 0 {
log.Fatal("You have no user sessions to explore.")
}
var minTime, maxTime time.Time
for _, s := range us.Session {
start := millisToTime(s.StartTimeMillis)
end := millisToTime(s.EndTimeMillis)
if minTime.IsZero() || start.Before(minTime) {
minTime = start
}
if maxTime.IsZero() || end.After(maxTime) {
maxTime = end
}
log.Printf("Session %q, %v - %v, activity type=%v", s.Name, start.Format(layout), end.Format(layout), s.ActivityType)
}
ds, err := svc.Users.DataSources.List("me").Do()
if err != nil {
log.Fatalf("Unable to retrieve user's data sources: %v", err)
}
if len(ds.DataSource) == 0 {
log.Fatal("You have no data sources to explore.")
}
for _, d := range ds.DataSource {
format := "integer"
if d.DataType != nil && len(d.DataType.Field) > 0 {
f := d.DataType.Field[0]
format = f.Format
log.Printf("Data source %q, name %q is of type %q", d.DataStreamName, f.Name, format)
} else {
log.Printf("Data source %q is of type %q", d.DataStreamName, d.Type)
}
setID := fmt.Sprintf("%v-%v", minTime.UnixNano(), maxTime.UnixNano())
data, err := svc.Users.DataSources.Datasets.Get("me", d.DataStreamId, setID).Do()
if err != nil {
log.Fatalf("Unable to retrieve user's data source stream %v, %v: %v", d.DataStreamId, setID, err)
}
for _, p := range data.Point {
for _, v := range p.Value {
t := millisToTime(p.ModifiedTimeMillis).Format(layout)
if format == "integer" {
log.Printf("data at %v = %v", t, v.IntVal)
} else {
log.Printf("data at %v = %v", t, v.FpVal)
}
}
}
}
}
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