query method
Converts the search parameters into a map
Implementation
Map<String, dynamic> query() {
return {
ApiKeys.key: apiKey,
if (lang != null) ApiKeys.language: lang,
if (radius != null) ApiKeys.radius: radius,
if (loc != null) ApiKeys.location: '${loc!.latitude},${loc!.longitude}',
if (loc != null && radius != null) ApiKeys.strictbounds: strictBounds,
if (countryCode != null)
ApiKeys.components: '${ApiKeys.country}:$countryCode',
};
}