anyway/frontend/lib/utils/load_landmark_image.dart
2024-12-17 10:28:33 +01:00

72 lines
2.1 KiB
Dart

import 'dart:developer';
import 'package:dio/dio.dart';
import 'package:fuzzywuzzy/fuzzywuzzy.dart';
import 'dart:convert';
import 'package:fuzzywuzzy/model/extracted_result.dart';
const String baseUrl = "https://en.wikipedia.org/w/api.php";
final Dio dio = Dio();
Future<int?> bestPageMatch(String title) async {
final response = await dio.get(baseUrl, queryParameters: {
"action": "query",
"format": "json",
"list": "prefixsearch",
"pssearch": title,
});
final data = jsonDecode(response.toString());
log(data.toString());
final List<dynamic> results = data["query"]["prefixsearch"] ?? {};
final Map<String, int> titlesAndIds = {
for (var d in results) d["title"]: d["pageid"]
};
if (titlesAndIds.isEmpty) {
log("No pages found for $title");
return null;
}
// after the empty check, we can safely assume that there is a best match
final ExtractedResult<String> bestMatch = extractOne(
query: title,
choices: titlesAndIds.keys.toList(),
cutoff: 70,
);
return titlesAndIds[bestMatch.choice];
}
Future<String?> getImageUrl(int pageId) async {
final response = await dio.get(baseUrl, queryParameters: {
"action": "query",
"format": "json",
"prop": "pageimages",
"pageids": pageId,
"pithumbsize": 500,
});
final data = jsonDecode(response.toString());
final pageData = data["query"]["pages"][pageId.toString()];
return pageData["thumbnail"]?["source"];
}
Future<String?> getImageUrlFromName(String title) async {
int? pageId = await bestPageMatch(title);
if (pageId == null) {
return null;
}
return await getImageUrl(pageId);
}
Future<String?> getImageUrlFromGooglePhotos(String url) async {
// this is a very simple implementation that just gets the image behind the link
// it is not guaranteed to work for all google photos links
final response = await dio.get(url);
final data = response.toString();
final int start = data.indexOf("https://lh3.googleusercontent.com");
final int end = data.indexOf('"', start);
return data.substring(start, end);
}