feat: add address validation function to enhance address recognition

backend/systemprompt.py

@@ -108,7 +108,7 @@ When the user confirms they want to buy a promotion or product:
         - เขต/อำเภอ 
         - แขวง/ตำบล 
         - ถนน 
-        - หมู่บ้าน/ชื่ออาคาร 
+        - หมู่บ้าน/ชื่ออาคาร : For this type of address the asr may not recognize it well, you can verify it by call address_verification tool. input only the village/building name. this will return list of candidate address that match the input. pick the most relevant one based on other infomation(เเขวง/เขต/ตำบล/อำเภอ) to confirm with user. if it's return empty list or not close to the input, just confirm with user the input as is.
         - ซอย 
         - บ้านเลขที่ 
         - Postal code (5 digits)

backend/tools.py

@@ -50,6 +50,23 @@ TOOL_DEFINITIONS =[
             },
         },
     },
+    {
+        "type": "function",
+        "function": {
+            "name": "address_validation",
+            "description": "Check the correctness of หมู่บ้าน, ชื่ออาคาร, ชื่อคอนโด",
+            "parameters": {
+                "type": "object",
+                "properties": {
+                    "keyword": {
+                        "type": "string",
+                        "description": "input หมู่บ้าน, ชื่ออาคาร, ชื่อคอนโด from user",
+                    }
+                },
+                "required": ["keyword"],
+            },
+        },
+    },
     {
         "type": "function",
         "function": {
@@ -396,13 +413,27 @@ def get_promotion_description(permission: str) -> Any:
         }
     return {"status": "ok", "description": PROMOTION_DESCRIPTION}
     # return {"status": "ok", "description": "test"}
+def address_validation(keyword):
+    LONGDO_API_KEY = os.getenv("LONGDO_API_KEY")
+    # keyword = "เพอเฟคเพลซ"
+    url = f"https://api.longdo.com/mapsearch/json/suggest?keyword={keyword}&key={LONGDO_API_KEY}&sdx=1"
+
+    try:
+        response = requests.get(url)
+        response.raise_for_status() # Raise an exception for bad status codes
+        data = [res.get('w') for res in response.json().get("data")]
+        return data
+    except requests.exceptions.RequestException as e:
+        print(f"Error fetching data from Longdo Map API: {e}")
+        return []
 
 
 TOOL_FUNCTIONS = {
     "get_promotion_description": get_promotion_description,
     "summary_order": summary_order,
     "purchase_product": purchase_product,
-    "call_admin": call_admin
+    "call_admin": call_admin,
+    "address_validation": address_validation,
 }
 
 
@@ -426,6 +457,8 @@ def execute_tool(name: str, arguments: Dict[str, Any]) -> str:
         return json.dumps({"status": "error", "message": str(exc)}, ensure_ascii=False)
 
     return _format_tool_result(result)
+    
+
 
 
 if __name__ == "__main__":