feat(api): add system language api

Author: pycook

cmdb-api/api/views/common_setting/system_language.py

@@ -0,0 +1,37 @@
+import os
+
+from api.resource import APIView
+from api.lib.perm.auth import auth_abandoned
+
+prefix = "/system"
+
+
+class SystemLanguageView(APIView):
+    url_prefix = (f"{prefix}/language",)
+
+    method_decorators = []
+
+    @auth_abandoned
+    def get(self):
+        """Get system default language
+        Read from environment variable SYSTEM_DEFAULT_LANGUAGE, default to Chinese if not set
+        """
+        default_language = os.environ.get("SYSTEM_DEFAULT_LANGUAGE", "")
+
+        return self.jsonify(
+            {
+                "language": default_language,
+                "language_name": self._get_language_name(default_language),
+            }
+        )
+
+    def _get_language_name(self, language_code):
+        """Return language name based on language code"""
+        language_mapping = {
+            "zh-CN": "中文(简体)",
+            "zh-TW": "中文(繁体)",
+            "en-US": "English",
+            "ja-JP": "日本語",
+            "ko-KR": "한국어",
+        }
+        return language_mapping.get(language_code, "")