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fluffychat/lib/pangea/lemmas/lemma_info_repo.dart

76 lines
2.5 KiB
Dart

import 'dart:convert';
import 'package:get_storage/get_storage.dart';
import 'package:http/http.dart';
import 'package:fluffychat/pangea/common/config/environment.dart';
import 'package:fluffychat/pangea/common/network/requests.dart';
import 'package:fluffychat/pangea/common/network/urls.dart';
import 'package:fluffychat/pangea/events/models/content_feedback.dart';
import 'package:fluffychat/pangea/lemmas/lemma_info_request.dart';
import 'package:fluffychat/pangea/lemmas/lemma_info_response.dart';
import 'package:fluffychat/widgets/matrix.dart';
class LemmaInfoRepo {
static final GetStorage _lemmaStorage = GetStorage('lemma_storage');
static void set(LemmaInfoRequest request, LemmaInfoResponse response) {
// set expireAt if not set
response.expireAt ??= DateTime.now().add(const Duration(minutes: 1));
_lemmaStorage.write(request.storageKey, response.toJson());
}
static Future<LemmaInfoResponse> get(
LemmaInfoRequest request, [
String? feedback,
bool useExpireAt = false,
]) async {
final cachedJson = _lemmaStorage.read(request.storageKey);
final cached =
cachedJson == null ? null : LemmaInfoResponse.fromJson(cachedJson);
if (cached != null) {
if (feedback == null) {
// at this point we have a cache without feedback
if (!useExpireAt) {
// return cache as is if we're not using expireAt
return cached;
} else if (cached.expireAt != null) {
if (DateTime.now().isBefore(cached.expireAt!)) {
// return cache as is if we're using expireAt and it's set but not expired
return cached;
}
}
// we intentionally do not handle the case of expired at not set because
// old caches won't have them set, and we want to trigger a new
// choreo call
} else {
// we're adding this within the service to avoid needing to have the widgets
// save state including the bad response
request.feedback = ContentFeedback(
cached,
feedback,
);
}
}
final Requests req = Requests(
choreoApiKey: Environment.choreoApiKey,
accessToken: MatrixState.pangeaController.userController.accessToken,
);
final Response res = await req.post(
url: PApiUrls.lemmaDictionary,
body: request.toJson(),
);
final decodedBody = jsonDecode(utf8.decode(res.bodyBytes));
final response = LemmaInfoResponse.fromJson(decodedBody);
set(request, response);
return response;
}
}