getCDNConfig method
Gets CDN config from cache if valid, otherwise returns null
Implementation
CDNConfig? getCDNConfig() {
final configStr = _cache[_configCacheKey];
final timestampStr = _cache[_configTimestampKey];
if (configStr == null || timestampStr == null) {
return null;
}
final timestamp = int.tryParse(timestampStr);
if (timestamp == null) return null;
final currentTime = DateTime.now().millisecondsSinceEpoch;
if (currentTime - timestamp > _cacheDuration) {
return null;
}
try {
return CDNConfig.fromJson(jsonDecode(configStr) as Map<String, dynamic>);
} catch (error) {
// ignore: avoid_print
print('Error parsing cached CDN config: $error');
return null;
}
}