downloadCacheFile function
Implementation
Future<File?> downloadCacheFile({required String url}) async {
logDebug("-> ${url.md5} url: $url");
var file = await BaseWebImage.cacheGetFile(url);
logDebug("- ${url.md5} cached: ${file != null}");
file ??= await BaseWebImage.downloadFile(url);
logDebug("<- ${url.md5} url: $file");
return file;
}