Include types from gonavitia/navitia

types/coord.go

@@ -0,0 +1,51 @@
+package types
+
+import (
+	"encoding/json"
+	"fmt"
+	"strconv"
+)
+
+// Coordinates code for coordinates used throughout the API.
+// This is the Go representation of "Coordinates". It implements Place.
+// See http://doc.navitia.io/#standard-objects.
+type Coordinates struct {
+	Longitude float64 `json:"lon"`
+	Latitude  float64 `json:"lat"`
+}
+
+// jsonCoordinates define the JSON implementation of Coordinates types
+type jsonCoordinates struct {
+	Latitude  string `json:"lat"`
+	Longitude string `json:"lon"`
+}
+
+// ID formats coordinates for use in queries as an ID.
+func (c Coordinates) ID() ID {
+	return ID(fmt.Sprintf("%3.3f;%3.3f", c.Longitude, c.Latitude))
+}
+
+// UnmarshalJSON implements json.Unmarshaller for a Coordinates
+func (c *Coordinates) UnmarshalJSON(b []byte) error {
+	var data jsonCoordinates
+
+	err := json.Unmarshal(b, &data)
+	if err != nil {
+		return fmt.Errorf("error while unmarshalling Coordinates types : %w", err)
+	}
+
+	// Create the error generator
+	gen := unmarshalErrorMaker{"Coordinates", b}
+
+	// Now parse the values
+	c.Longitude, err = strconv.ParseFloat(data.Longitude, 64)
+	if err != nil {
+		return gen.err(err, "Longitude", "lon", data.Longitude, "error in strconv.ParseFloat")
+	}
+	c.Latitude, err = strconv.ParseFloat(data.Latitude, 64)
+	if err != nil {
+		return gen.err(err, "Latitude", "lat", data.Latitude, "error in strconv.ParseFloat")
+	}
+
+	return nil
+}