Internal getLocation function added

server/location.go

@@ -16,6 +16,8 @@ type Coordinates struct {
 	Longitude float32 `json:"lon"`
 }
 
+// Receives a gRPC request for Location
+// Returns a SendLocation message with the Latitude and Longitude
 func (s *Server) Location(ctx context.Context, in *pb.RequestLocation) (*pb.SendLocation, error) {
 	log.Println("'Location' function called...")
 
@@ -47,3 +49,33 @@ func (s *Server) Location(ctx context.Context, in *pb.RequestLocation) (*pb.Send
 		Longitude: coords[0].Longitude,
 	}, nil
 }
+
+// Used internally to fetch precise locations for Current and Extended
+// Receives gRPC requests as an interface
+// Returns the latitude (float32) and longitude (float32) for a given location
+func getLocation(msg interface{}) (float32, float32) {
+
+	url := "http://api.openweathermap.org/geo/1.0/direct?q="
+	city := in.City
+	token := "&appid=" + os.Getenv("API_KEY")
+
+	url = url + city + token
+
+	res, err := http.Get(url)
+	if err != nil {
+		log.Printf("Error fetching location: %v\n", err)
+	}
+	defer res.Body.Close()
+
+	body, err := ioutil.ReadAll(res.Body)
+	if err != nil {
+		log.Printf("Error reading location: %v\n", err)
+	}
+
+	coords := []Coordinates{}
+	err = json.Unmarshal(body, &coords)
+	if err != nil {
+		log.Printf("Error decoding JSON: %v\n", err)
+	}
+	return coords[0].Latitude, coords[0].Longitude
+}