ci: add new workflow to sync i18n files (#3215)

.github/workflows/sync_i18n.yml

@@ -0,0 +1,41 @@
+name: Check and Fix Missing Translation Keys
+
+on:
+  push:
+    branches:
+      - '**'
+  pull_request:
+    branches:
+      - main
+
+jobs:
+  check-translation-keys:
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v3
+
+      - name: Set up Python
+        uses: actions/setup-python@v4
+        with:
+          python-version: '3.9'
+
+      - name: Install dependencies
+        run: pip install json-delta
+
+      - name: Run Python script to check and fix missing keys
+        run: |
+          python scripts/sync_i18n.py
+
+      - name: Commit and push changes if necessary
+        run: |
+          if [ "$(git status --porcelain)" != "" ]; then
+            git config user.name "i18n Sync Bot"
+            git config user.email "[email protected]"
+            git add apps/keira/src/assets/i18n/*.json
+            git commit -m "Fix missing translation keys"
+            git push
+          else
+            echo "No missing keys detected."
+          fi

scripts/sync_i18n.py

@@ -0,0 +1,49 @@
+import os
+import json
+from pathlib import Path
+
+def merge_with_en(en_data: dict, target_data: dict) -> dict:
+    """
+    Recursively merge en.json keys into target translation file.
+    - Adds missing keys from en.json.
+    - Preserves existing keys and values in the target file.
+    - Removes keys not present in en.json.
+    """
+    merged = {}
+    for key, value in en_data.items():
+        if key in target_data:
+            # If key exists in both, check if it's a nested dictionary
+            if isinstance(value, dict) and isinstance(target_data[key], dict):
+                merged[key] = merge_with_en(value, target_data[key])
+            else:
+                merged[key] = target_data[key]  # Preserve existing value
+        else:
+            merged[key] = value  # Add missing key with value from en.json
+
+    return merged
+
+def sync_keys(translations_dir: Path, en_file: Path) -> None:
+    # Load en.json as the reference file
+    with open(en_file, 'r', encoding='utf-8') as f:
+        en_data = json.load(f)
+
+    for file in os.listdir(translations_dir):
+        if file.endswith('.json') and file != os.path.basename(en_file):
+            file_path = os.path.join(translations_dir, file)
+            with open(file_path, 'r', encoding='utf-8') as f:
+                target_data = json.load(f)
+
+            # Synchronize keys with en.json
+            synced_data = merge_with_en(en_data, target_data)
+
+            # Save the synchronized file
+            with open(file_path, 'w', encoding='utf-8') as f:
+                json.dump(synced_data, f, ensure_ascii=False, indent=2)
+
+            print(f"Synced {file}")
+
+
+if __name__ == "__main__":
+    translations_dir = Path("apps", "keira", "src", "assets", "i18n")  # Update to your directory
+    en_file = Path(translations_dir, "en.json")
+    sync_keys(translations_dir, en_file)