add station_locations.go which displays a list of all stations to print on a map

publibike/station_locations.go

@@ -0,0 +1,47 @@
+package publibike
+
+import (
+	"encoding/json"
+	"fmt"
+	"io/ioutil"
+	"net/http"
+)
+
+// StationLoc struct to store station data
+type StationLoc struct {
+	Id        int     `json:"id"`
+	Latitude  float64 `json:"latitude"`
+	Longitude float64 `json:"longitude"`
+	State     State   `json:"state"`
+}
+
+// State struct to store station state
+type State struct {
+	Id   int    `json:"id"`
+	Name string `json:"name"`
+}
+
+// GetAllStationLocations fetches data from /public/stations
+// Use case: display the location of the stations on a map and whether or not bikes are available.
+func GetAllStationLocations() ([]StationLoc, error) {
+	// Get the public data from the api endpoint
+	res, err := http.Get("https://api.publibike.ch/v1/public/stations")
+	if err != nil {
+		return nil, fmt.Errorf("failed to get stations from api: %w", err)
+	}
+	defer res.Body.Close()
+
+	// Parse the JSON body
+	body, err := ioutil.ReadAll(res.Body)
+	if err != nil {
+		return nil, fmt.Errorf("failed to read response body: %w", err)
+	}
+
+	var stationlocs []StationLoc
+	err = json.Unmarshal(body, &stationlocs)
+	if err != nil {
+		return nil, fmt.Errorf("failed to unmarshal station: %w", err)
+	}
+
+	return station, nil
+}