CAKE-272 | added parameters to script; added possibility to generate locales.dart from arb file list; added loadLocaleList() method to language_service.dart

.gitignore

@@ -95,4 +95,4 @@ vendor/
 
 android/app/.cxx/**
 ios/Flutter/.last_build_id
-lib/generated/i18n.dart
+/lib/generated/**

lib/entities/language_service.dart

@@ -1,8 +1,9 @@
+import 'package:cake_wallet/generated/locales.dart';
 import 'package:devicelocale/devicelocale.dart';
 import 'package:intl/intl.dart';
 
 class LanguageService {
-  static const Map<String, String> list = {
+  static const Map<String, String> supportedLocales = {
     'en': 'English',
     'de': 'Deutsch (German)',
     'es': 'Español (Spanish)',
@@ -16,6 +17,15 @@ class LanguageService {
     'uk': 'Українська (Ukrainian)',
     'zh': '中文 (Chinese)'
   };
+  static final list = <String, String> {};
+
+  static void loadLocaleList() {
+    supportedLocales.forEach((key, value) {
+      if (locales.contains(key)) {
+        list[key] = value;
+      }
+    });
+  }
 
   static Future<String> localeDetection() async {
     var locale = await Devicelocale.currentLocale;

lib/main.dart

@@ -1,3 +1,4 @@
+import 'package:cake_wallet/entities/language_service.dart';
 import 'package:cake_wallet/entities/order.dart';
 import 'package:flutter/material.dart';
 import 'package:flutter/services.dart';
@@ -135,6 +136,7 @@ Future<void> initialSetup(
     @required Box<TransactionDescription> transactionDescriptions,
     FlutterSecureStorage secureStorage,
     int initialMigrationVersion = 13}) async {
+  LanguageService.loadLocaleList();
   await defaultSettingsMigration(
       secureStorage: secureStorage,
       version: initialMigrationVersion,

lib/src/screens/settings/change_language.dart

@@ -5,11 +5,8 @@ import 'package:cake_wallet/utils/show_pop_up.dart';
 import 'package:flutter/material.dart';
 import 'package:flutter/cupertino.dart';
 import 'package:flutter_mobx/flutter_mobx.dart';
-import 'package:provider/provider.dart';
 import 'package:cake_wallet/generated/i18n.dart';
 import 'package:cake_wallet/entities/language_service.dart';
-
-// import 'package:cake_wallet/src/stores/settings/settings_store.dart';
 import 'package:cake_wallet/src/screens/base_page.dart';
 import 'package:cake_wallet/src/widgets/alert_with_two_actions.dart';
 
@@ -62,7 +59,5 @@ class LanguageListPage extends BasePage {
             });
           },
         ));
-
-    return null;
   }
 }

tool/generate_localization.dart

@@ -1,54 +1,114 @@
 import 'dart:io';
 import 'dart:convert';
-import 'localization/locale_list.dart';
 import 'localization/localization_constants.dart';
+import 'utils/utils.dart';
 
 const inputPath = 'res/values/';
-const outputPath = 'lib/generated/i18n.dart';
-
-Future<void> main() async {
-  var output = '';
-
-  output += part1;
-  output += textDirectionDeclaration;
-
-  for (var locale in locales) {
-    final inputContent = File(inputPath + 'strings_$locale.arb').readAsStringSync();
-    final config = json.decode(inputContent) as Map<String, dynamic>;
-
-    if (locale == locales.first) {
-      output += localizedStrings(config: config, hasOverride: false);
-      output += '}' + '\n\n';
+const outputPath = 'lib/generated/';
+const localizationFileName = 'i18n.dart';
+const localeListFileName = 'locales.dart';
+const srcDir = 'srcDir';
+const defaultLocale = 'en';
+
+Future<void> main(List<String> args) async {
+  final extraInfo = args.isNotEmpty ?
+  args.fold(<String, dynamic>{}, (Map<String, dynamic> acc, String arg) {
+    final parts = arg.split('=');
+    var key = normalizeKeyName(parts[0]);
+    if (key.contains('--')) {
+      key = key.substring(2);
     }
-
-    output += 'class \$$locale extends S {' + '\n';
-    output += '  const \$$locale();' + '\n';
-
-    if (locale != locales.first) {
-      output += textDirectionDeclaration;
-      output += localizedStrings(config: config, hasOverride: true);
+    acc[key] = parts.length > 1
+        ? parts[1].isNotEmpty
+          ? parts[1]
+          : inputPath
+        : inputPath;
+    return acc;
+  })
+  : <String, dynamic> {srcDir : inputPath};
+
+  extraInfo.forEach((key, dynamic value) async {
+    if (key == srcDir) {
+      final dirPath = value as String;
+      final dir = Directory(dirPath);
+
+      if (await dir.exists()) {
+        final localePath = <String, dynamic>{};
+        await dir.list(recursive: false).forEach((element) {
+          try {
+            final shortLocale = element.path.split('_',)[1].split('.')[0];
+            localePath[shortLocale] = element.path;
+          } catch (e) {
+            print('Wrong file: ${element.path}');
+          }
+        });
+
+        if (localePath.keys.contains(defaultLocale)) {
+          try {
+            var output = '';
+            var locales = 'const locales = [';
+
+            output += part1;
+            output += textDirectionDeclaration;
+
+            var inputContent =
+                File(localePath[defaultLocale].toString()).readAsStringSync();
+            var config = json.decode(inputContent) as Map<String, dynamic>;
+
+            output += localizedStrings(config: config, hasOverride: false);
+            output += '}' + '\n\n';
+
+            localePath.forEach((key, dynamic value) {
+              inputContent = File(localePath[key].toString()).readAsStringSync();
+              config = json.decode(inputContent) as Map<String, dynamic>;
+
+              locales += "'$key', ";
+
+              output += 'class \$$key extends S {' + '\n';
+              output += '  const \$$key();' + '\n';
+
+              if (key != defaultLocale) {
+                output += textDirectionDeclaration;
+                output += localizedStrings(config: config, hasOverride: true);
+              }
+
+              output += '}' + '\n\n';
+            });
+
+            output += classDeclaration;
+
+            localePath.keys.forEach((key) {
+              output += '      Locale("$key", ""),' + '\n';
+            });
+
+            output += part2;
+
+            localePath.keys.forEach((key) {
+              output += '        case "$key":' + '\n';
+              output += '          S.current = const \$$key();' + '\n';
+              output += '          return SynchronousFuture<S>(S.current);' + '\n';
+            });
+
+            output += part3;
+
+            await File(outputPath + localizationFileName).writeAsString(output);
+
+            locales += '];';
+
+            await File(outputPath + localeListFileName).writeAsString(locales);
+          } catch (e) {
+            print(e.toString());
+          }
+        } else {
+          print("Locale list doesn't contain $defaultLocale");
+        }
+      } else {
+        print('Wrong directory path: $dirPath');
+      }
+    } else {
+      print('Wrong key: $key');
     }
-
-    output += '}' + '\n\n';
-  }
-
-  output += classDeclaration;
-
-  for (var locale in locales) {
-    output += '      Locale("$locale", ""),' + '\n';
-  }
-
-  output += part2;
-
-  for (var locale in locales) {
-    output += '        case "$locale":' + '\n';
-    output += '          S.current = const \$$locale();' + '\n';
-    output += '          return SynchronousFuture<S>(S.current);' + '\n';
-  }
-
-  output += part3;
-
-  await File(outputPath).writeAsString(output);
+  });
 }
 
 String localizedStrings({Map<String, dynamic> config, bool hasOverride}) {

tool/localization/locale_list.dart

@@ -1,3 +0,0 @@
-const locales = ['en', 'de', 'es', 'hi',
-                 'ja', 'ko', 'nl', 'pl',
-                 'pt', 'ru', 'uk', 'zh'];