feat: translations support

files/frontend_translations/__init__.py

@@ -0,0 +1,61 @@
+import importlib
+import os
+
+from django.conf import settings
+
+current_dir = os.path.dirname(os.path.abspath(__file__))
+files = os.listdir(current_dir)
+translation_strings = {}
+replacement_strings = {}
+
+
+def check_language_code(language_code):
+    # helper function
+    if language_code not in [pair[0] for pair in settings.LANGUAGES]:
+        return False
+    if language_code in ['en', 'en-us', 'en-gb']:
+        return False
+    return True
+
+
+for translation_file in files:
+    # the language code is zh-hans but the file is zh_hans.py
+
+    language_code_file = translation_file.split('.')[0]
+    language_code = language_code_file.replace('_', '-')
+    if not check_language_code(language_code):
+        continue
+
+    module_name = f"files.frontend_translations.{language_code_file}"
+    tr_module = importlib.import_module(module_name)
+    translation_strings[language_code] = tr_module.translation_strings
+    replacement_strings[language_code] = tr_module.replacement_strings
+
+
+
+def get_translation(language_code):
+    # get list of translations per language
+    if not check_language_code(language_code):
+        return {}
+
+    translation = translation_strings[language_code]
+
+    return translation
+
+
+def get_translation_strings(language_code):
+    # get list of replacement strings per language
+    if not check_language_code(language_code):
+        return {}
+
+    translation = replacement_strings[language_code]
+
+    return translation
+
+
+def translate_string(language_code, string):
+    # translate a string to the given language
+    if not check_language_code(language_code):
+        return string
+
+    return translation_strings[language_code].get(string, string)