timeutil

Documentation

Index

• func SetLocalTimeZone(fitFile *fit.File) error

Examples

• SetLocalTimeZone

Functions

func SetLocalTimeZone

func SetLocalTimeZone(fitFile *fit.File) error

SetLocalTimeZone use the external library github.com/bradfitz/latlong and available FIT file GPS data (Record, Session or Lap messages) to set the timezone of local timestamps. It processes FIT files of type "Activity" and "ActivitySummary". It currently only attempts to set the local time zone of the field "LocalTimestamp" for the file's "Activity" message. SetLocalTimeZone returns a nil error if a local time zone was set or a descriptive error otherwise.

Example

testFile := filepath.Join("../testdata", "fitsdk", "Activity.fit")
testData, err := ioutil.ReadFile(testFile)
if err != nil {
	fmt.Println(err)
	return
}

fit, err := fit.Decode(bytes.NewReader(testData))
if err != nil {
	fmt.Println(err)
	return
}

activity, err := fit.Activity()
if err != nil {
	fmt.Println(err)
	return
}

fmt.Println("Post decode & pre SetLocalTimezone:")
fmt.Println(activity.Activity.LocalTimestamp)
err = timeutil.SetLocalTimeZone(fit)
if err != nil {
	fmt.Println(err)
	return
}
fmt.Println("Post SetLocalTimezone:")
fmt.Println(activity.Activity.LocalTimestamp)

Output:

Post decode & pre SetLocalTimezone:
2012-04-09 17:24:51 -0400 FITLOCAL
Post SetLocalTimezone:
2012-04-09 17:24:51 -0400 EDT