139 lines
4.0 KiB
Dart
139 lines
4.0 KiB
Dart
/// migrates chosen strings from lemmy-translations into flutter's i18n solution
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import 'dart:convert';
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import 'dart:io';
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import 'common.dart';
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/// Map<key, renamedKey>, if `renamedKey` is null then no rename is performed
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const toExtract = {
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'settings': null,
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};
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const repoName = 'lemmy-translations';
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const baseLanguage = 'en';
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const flutterIntlPrefix = 'intl_';
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main(List<String> args) async {
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final force = args.contains('-f') || args.contains('--force');
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final lemmyTranslations = await loadLemmyStrings();
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final lemmurTranslations = await loadLemmurStrings();
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portStrings(lemmyTranslations, lemmurTranslations, force: force);
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await save(lemmurTranslations);
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await Process.run('flutter', ['gen-l10n']);
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print("Don't forget to format the arb files!");
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}
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/// returns a cleanup function
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Future<Future<void> Function()> cloneLemmyTranslations() async {
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await Process.run('git', ['clone', 'https://github.com/LemmyNet/$repoName']);
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return () => Directory(repoName).delete(recursive: true);
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}
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/// Map<languageTag, Map<stringKey, stringValue>>
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Future<Map<String, Map<String, String>>> loadLemmyStrings() async {
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final translationsDir = Directory('$repoName/translations');
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final translations = <String, Map<String, String>>{};
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await for (final file in translationsDir.list()) {
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final transFile = File.fromUri(file.uri);
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final trans = Map<String, String>.from(
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jsonDecode(await transFile.readAsString()) as Map<String, dynamic>,
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);
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final localeName = file.uri.pathSegments.last.split('.json').first;
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translations[localeName] = trans;
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}
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return translations;
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}
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/// Map<languageTag, Map<stringKey, stringValue>> + some metadata
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Future<Map<String, Map<String, dynamic>>> loadLemmurStrings() async {
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final translationsDir = Directory('lib/l10n');
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final translations = <String, Map<String, dynamic>>{};
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await for (final file in translationsDir.list()) {
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if (!file.path.endsWith('.arb')) continue;
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final transFile = File.fromUri(file.uri);
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final trans =
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jsonDecode(await transFile.readAsString()) as Map<String, dynamic>;
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final localeName = file.uri.pathSegments.last
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.split('.arb')
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.first
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.split(flutterIntlPrefix)
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.last;
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translations[localeName] = trans;
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}
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return translations;
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}
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/// will port them into `lemmurTranslations`
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void portStrings(
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Map<String, Map<String, String>> lemmyTranslations,
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Map<String, Map<String, dynamic>> lemmurTranslations, {
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bool force = false,
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}) {
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// port all languages
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for (final language in lemmyTranslations.keys) {
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if (!lemmurTranslations.containsKey(language)) {
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lemmurTranslations[language] = {};
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lemmurTranslations[language]['@@locale'] = language;
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}
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}
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for (final extract in toExtract.entries) {
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final key = extract.key;
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final renamedKey = extract.value ?? key;
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if (!lemmyTranslations[baseLanguage].containsKey(key)) {
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printError(
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'"$key" does not exist in $repoName',
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shouldExit: true,
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);
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}
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if (lemmurTranslations[baseLanguage].containsKey(key) && !force) {
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confirm('"$key" already exists in lemmur, overwrite?');
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}
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for (final trans in lemmyTranslations.entries) {
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final language = trans.key;
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final strings = trans.value;
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lemmurTranslations[language][renamedKey] = strings[key];
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}
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lemmurTranslations[baseLanguage]['@$renamedKey'] = {};
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}
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}
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Future<void> save(Map<String, Map<String, dynamic>> lemmurTranslations) async {
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// remove null fields
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// Vec<(language, key)>
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final toRemove = <List<String>>[];
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for (final translations in lemmurTranslations.entries) {
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final language = translations.key;
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for (final strings in translations.value.entries) {
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if (strings.value == null) {
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toRemove.add([language, strings.key]);
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}
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}
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}
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for (final rem in toRemove) {
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lemmurTranslations[rem[0]].remove(rem[1]);
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}
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for (final language in lemmurTranslations.keys) {
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await File('lib/l10n/$flutterIntlPrefix$language.arb')
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.writeAsString(jsonEncode(lemmurTranslations[language]));
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}
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}
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