chore: pass radius distance as a query param

healthcrm.go

@@ -285,7 +285,16 @@ func (h *HealthCRMLib) GetFacilities(ctx context.Context, location *Coordinates,
 	}
 
 	if location != nil {
-		queryParams["ref_location"] = location.ToString()
+		coordinateString, err := location.ToString()
+		if err != nil {
+			return nil, err
+		}
+
+		queryParams["ref_location"] = coordinateString
+
+		if location.Radius != "" {
+			queryParams["distance"] = location.Radius
+		}
 	}
 
 	if len(serviceIDs) > 0 && searchParameter != "" {

input.go

@@ -23,15 +23,19 @@ type Facility struct {
 type Coordinates struct {
 	Latitude  string `json:"latitude,omitempty"`
 	Longitude string `json:"longitude,omitempty"`
+	Radius    string `json:"radius,omitempty"`
 }
 
 // ToString returns the location in comma-separated values format.
 // The order of values in the string is longitude,latitude.
 // The latitude and longitude are formatted up to 5 decimal places.
 // For example, if the Location has Latitude 36.79 and Longitude -1.29,
 // the returned string will be "-1.29, 36.79".
-func (c Coordinates) ToString() string {
-	return fmt.Sprintf("%v, %v", c.Longitude, c.Latitude)
+func (c Coordinates) ToString() (string, error) {
+	if c.Latitude == "" || c.Longitude == "" {
+		return "", fmt.Errorf("both Latitude and Longitude must be provided to generate the coordinates string")
+	}
+	return fmt.Sprintf("%v, %v", c.Longitude, c.Latitude), nil
 }
 
 // Contacts models facility's model data class