OpenContacts/lib/auxiliary.dart

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import 'package:contacts_plus_plus/config.dart';
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import 'package:path/path.dart' as p;
import 'package:html/parser.dart' as htmlparser;
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enum NeosDBEndpoint
{
def,
blob,
cdn,
videoCDN,
}
extension NeosStringExtensions on Uri {
static String dbSignature(Uri neosdb) => neosdb.pathSegments.length < 2 ? "" : p.basenameWithoutExtension(neosdb.pathSegments[1]);
static String? neosDBQuery(Uri neosdb) => neosdb.query.trim().isEmpty ? null : neosdb.query.substring(1);
static bool isLegacyNeosDB(Uri uri) => !(uri.scheme != "neosdb") && uri.pathSegments.length >= 2 && p.basenameWithoutExtension(uri.pathSegments[1]).length < 30;
Uri neosDBToHTTP(NeosDBEndpoint endpoint) {
var signature = dbSignature(this);
var query = neosDBQuery(this);
if (query != null) {
signature = "$signature/$query";
}
if (isLegacyNeosDB(this)) {
return Uri.parse(Config.legacyCloudUrl + signature);
}
String base;
switch (endpoint) {
case NeosDBEndpoint.blob:
base = Config.blobStorageUrl;
break;
case NeosDBEndpoint.cdn:
base = Config.neosCdnUrl;
break;
case NeosDBEndpoint.videoCDN:
base = Config.videoStorageUrl;
break;
case NeosDBEndpoint.def:
base = Config.neosAssetsUrl;
}
return Uri.parse(base + signature);
}
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}
class Aux {
static String neosDbToHttp(String? neosdb) {
if (neosdb == null || neosdb.isEmpty) return "";
if (neosdb.startsWith("http")) return neosdb;
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final fullUri = neosdb.replaceFirst("neosdb:///", Config.neosCdnUrl);
final lastPeriodIndex = fullUri.lastIndexOf(".");
if (lastPeriodIndex != -1 && fullUri.length - lastPeriodIndex < 8) {
// I feel like 8 is a good maximum for file extension length? Can neosdb Uris even come without file extensions?
return fullUri.substring(0, lastPeriodIndex);
}
return fullUri;
}
}
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extension Unique<E, Id> on List<E> {
List<E> unique([Id Function(E element)? id, bool inplace = true]) {
final ids = <Id>{};
var list = inplace ? this : List<E>.from(this);
list.retainWhere((x) => ids.add(id != null ? id(x) : x as Id));
return list;
}
}
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extension Strip on String {
String stripHtml() {
final document = htmlparser.parse(this);
return htmlparser.parse(document.body?.text).documentElement?.text ?? "";
}
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String stripUid() => startsWith("U-") ? substring(2) : this;
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}
extension Format on Duration {
String format() {
final hh = (inHours).toString().padLeft(2, '0');
final mm = (inMinutes % 60).toString().padLeft(2, '0');
final ss = (inSeconds % 60).toString().padLeft(2, '0');
if (inHours == 0) {
return "$mm:$ss";
} else {
return "$hh:$mm:$ss";
}
}
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}