prepare switching from babel to .json translations

setup.sh

@@ -81,8 +81,7 @@ DATA_DIR="$PWD/data"
 
 # 1. Create folders
 mkdir -p "$PROJECT_DIR"/{templates,static}
-mkdir -p "$TRANSLATIONS_DIR"/de/LC_MESSAGES
-mkdir -p "$TRANSLATIONS_DIR"/en/LC_MESSAGES
+mkdir -p "$TRANSLATIONS_DIR"
 mkdir -p "$DATA_DIR"
 
 chmod -R a+rwX "$TRANSLATIONS_DIR" "$DATA_DIR"
@@ -98,7 +97,6 @@ flask-migrate
 werkzeug
 python-dotenv
 flask-sqlalchemy
-flask-babel
 jinja2<3.1.0
 itsdangerous
 sqlalchemy
@@ -122,10 +120,9 @@ SECRET_KEY="$SECRET_KEY"
 REDEEM_SECRET="$REDEEM_SECRET"
 WTF_CSRF_SECRET_KEY="$REDEEM_CSRF"
 
-# locales
-BABEL_DEFAULT_LOCALE="en"
-BABEL_SUPPORTED_LOCALES="de,en"
-BABEL_TRANSLATION_DIRECTORIES="translations"
+# Language Settings
+DEFAULT_LANGUAGE="en"
+SUPPORTED_LANGUAGES="de,en"
 
 # Timezone
 TZ=Europe/Berlin
@@ -201,6 +198,18 @@ logging.basicConfig()
 logging.getLogger('babel').setLevel(logging.DEBUG)
 app = Flask(__name__)
 
+# Load Languages
+TRANSLATIONS = {}
+for lang in app.config['SUPPORTED_LANGUAGES'].split(','):
+    try:
+        with open(f'translations/{lang}.json') as f:
+            TRANSLATIONS[lang] = json.load(f)
+    except:
+        TRANSLATIONS[lang] = {}
+
+def translate(key, lang=app.config['DEFAULT_LANGUAGE'], **kwargs):
+    return TRANSLATIONS.get(lang, {}).get(key, key).format(**kwargs)
+
 csrf = CSRFProtect(app)
 
 convention = {
@@ -267,6 +276,12 @@ def reload_translations():
         babel.reload()
 
 @app.context_processor
+def inject_translations():
+    def _(key, **kwargs):
+        lang = session.get('lang', app.config['DEFAULT_LANGUAGE'])
+        return translate(key, lang, **kwargs)
+    return {'_': _}
+
 def inject_template_vars():
     return dict(
         get_locale=get_locale,
@@ -338,9 +353,9 @@ def index():
 
 @app.route('/set-lang/<lang>')
 def set_lang(lang):
-    if lang in app.config['BABEL_SUPPORTED_LOCALES']:
+    if lang in app.config['SUPPORTED_LANGUAGES'].split(','):
         session['lang'] = lang
-    return redirect(request.referrer or url_for('index'))
+    return redirect(request.referrer)
 
 @app.route('/set-theme/<theme>')
 def set_theme(theme):
@@ -875,7 +890,7 @@ services:
       - TZ=${TZ}
     volumes:
       - ../data:/app/data
-      - ../translations:/app/translations:rw
+      - ../translations:/app/translations
       - ../.env:/app/.env
     user: "${UID}:${GID}"
     restart: unless-stopped
@@ -889,6 +904,25 @@ find ../data ../translations -type d -exec chmod 775 {} \;
 find ../data ../translations -type f -exec chmod 664 {} \;
 
 # 8. Translation and upgrade scripts
+cat <<JSON_END > "$TRANSLATIONS_DIR/de.json"
+{
+  "Game List": "Spieleliste",
+  "Add New Game": "Neues Spiel hinzufügen",
+  "Search": "Suche",
+  "Welcome %(username)s!": "Willkommen %(username)s!"
+}
+JSON_END
+
+cat <<JSON_END > "$TRANSLATIONS_DIR/en.json"
+{
+  "Game List": "Game List",
+  "Add New Game": "Add New Game",
+  "Search": "Search",
+  "Welcome %(username)s!": "Welcome %(username)s!"
+}
+JSON_END
+
+
 cat <<'SCRIPT_END' > ../translate.sh
 #!/bin/bash
 set -e
@@ -1816,8 +1850,10 @@ echo -e "nano .env"
 echo -e "\n\033[1;32m✅ After you are done start the system with:\033[0m"
 echo -e "cd steam-gift-manager"
 echo -e "docker-compose build --no-cache && docker-compose up -d"
-echo -e "\nGenerate translations: ./translate.sh"
-echo -e "You can edit them in translations/en/LC_MESSAGES/messages.po"
+echo -e "\n${GREEN}✅ JSON-based translations!${NC}"
+echo -e "you can edit them here:"
+echo -e "  - translations/de.json"
+echo -e "  - translations/en.json"
 echo -e "Enter your Apprise URLs in .env at APPRISE_URLS (e.g. for Pushover, Gotify, Matrix etc.)"
 echo -e "\nAfter any change in you configuration, .env or even translations:"
 echo -e "cd steam-gift-manager"