feat: Multiple Language support added #1071
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Reviewer's Guide by SourceryThe pull request implements multi-language support by adding a localization system that currently supports English and Chinese languages. The implementation uses Flutter's localization framework with JSON-based translation files and includes a locale provider to manage language switching. Class diagram for localization implementationclassDiagram
class AppLocalizations {
+Locale? locale
+Map<String, String> _localizedStrings
+Future loadJsonLanguage()
+String translate(String key)
+String translateWithArgs(String key, Map<String, dynamic> args)
}
class _AppLocalizationsDelegate {
+bool isSupported(Locale locale)
+Future<AppLocalizations> load(Locale locale)
+bool shouldReload(LocalizationsDelegate old)
}
class LocaleProvider {
+Locale _locale
+Locale get locale()
+void changeLocale(Locale newLocale)
}
AppLocalizations --> _AppLocalizationsDelegate : delegate
AppLocalizations --> Locale : locale
LocaleProvider --> Locale : manages
AppLocalizations --> "1" Map : _localizedStrings
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Hey @Dhruv80576 - I've reviewed your changes - here's some feedback:
Overall Comments:
- Consider creating a constants file for translation keys (e.g.,
translation_keys.dart) to avoid string literals and make maintenance easier. This would help prevent typos and make refactoring simpler.
Here's what I looked at during the review
- 🟡 General issues: 1 issue found
- 🟢 Security: all looks good
- 🟢 Testing: all looks good
- 🟢 Complexity: all looks good
- 🟢 Documentation: all looks good
Help me be more useful! Please click 👍 or 👎 on each comment and I'll use the feedback to improve your reviews.
| } | ||
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| // Method to translate a key into a localized string | ||
| String translate(String key) => _localizedStrings[key] ?? ""; |
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suggestion: Consider adding debug logging for missing translation keys
In debug mode, log a warning when a translation key is missing to help catch issues during development.
Suggested change
| String translate(String key) => _localizedStrings[key] ?? ""; | |
| String translate(String key) { | |
| final value = _localizedStrings[key]; | |
| if (value == null) { | |
| assert(() { | |
| print('Missing translation key: $key'); | |
| return true; | |
| }()); | |
| } | |
| return value ?? ''; | |
| } |
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I think we can hop onto a different and scalable solution. More info: #927 |
Jhalakupadhyay
changed the title
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Fix #1067
Setting now updated, added language switch option. Now this application supports chinese language also.
Please find the video attached.
Screen_recording_20241103_180601.mp4
Summary by Sourcery
Add multiple language support to the application, including a language switch option and support for Chinese. Implement a localization system to manage translations using JSON files.
New Features:
Enhancements: