ray/gpx-utils
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Annotate refreshment stops, improved logging and error handling.

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This commit is contained in:
Ray Miller 2020-04-20 23:08:57 +01:00
parent 7d3b208e5c
commit 52d41490f3
5 changed files with 195 additions and 25 deletions
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25
pkg/rwgps/rwgps.go
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@ -1,7 +1,6 @@
package rwgps
import (
"bytes"
"fmt"
"io/ioutil"
"net/http"
@ -15,6 +14,14 @@ func (e *ErrNotFound) Error() string {
return fmt.Sprintf("RideWithGPS track %d not found", e.RouteId)
}
type ErrNotPublic struct {
RouteId int
}
func (e *ErrNotPublic) Error() string {
return fmt.Sprintf("RideWithGPS track %d is not public", e.RouteId)
}
func FetchTrack(routeId int) ([]byte, error) {
url := fmt.Sprintf("https://ridewithgps.com/routes/%d.gpx?sub_format=track", routeId)
resp, err := http.Get(url)
@ -22,16 +29,18 @@ func FetchTrack(routeId int) ([]byte, error) {
return nil, fmt.Errorf("error getting %s: %v", url, err)
}
defer resp.Body.Close()
if resp.StatusCode != http.StatusOK {
if resp.StatusCode == http.StatusNotFound {
return nil, &ErrNotFound{routeId}
}
if resp.StatusCode == http.StatusForbidden {
return nil, &ErrNotPublic{routeId}
}
return nil, fmt.Errorf("error retrieving route %d: %s", routeId, resp.Status)
}
data, err := ioutil.ReadAll(resp.Body)
if err != nil {
return nil, fmt.Errorf("error reading response from %s: %v", url, err)
}
if IsNotFound(data) {
return nil, &ErrNotFound{routeId}
}
return data, nil
}
func IsNotFound(data []byte) bool {
return bytes.HasPrefix(data, []byte("<!DOCTYPE html>")) && bytes.Contains(data, []byte("Error (404 not found)"))
}