Logging and better handling of RideWithGPS route not found.

2020-04-20 12:43:41 +01:00 · 2020-04-20 12:43:41 +01:00 · 7d3b208e5c
commit 7d3b208e5c
parent a51a3634bd
2 changed files with 51 additions and 19 deletions
--- a/pkg/rwgps/rwgps.go
+++ b/pkg/rwgps/rwgps.go
@ -0,0 +1,37 @@
+package rwgps
+
+import (
+	"bytes"
+	"fmt"
+	"io/ioutil"
+	"net/http"
+)
+
+type ErrNotFound struct {
+	RouteId int
+}
+
+func (e *ErrNotFound) Error() string {
+	return fmt.Sprintf("RideWithGPS track %d not found", 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)
+	if err != nil {
+		return nil, fmt.Errorf("error getting %s: %v", url, err)
+	}
+	defer resp.Body.Close()
+	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)"))
+}