fix: summary of duckduckgo_search (#5488)

api/core/tools/provider/builtin/duckduckgo/tools/ddgo_search.py

@@ -2,9 +2,20 @@
 
 from duckduckgo_search import DDGS
 
+from core.model_runtime.entities.message_entities import SystemPromptMessage
 from core.tools.entities.tool_entities import ToolInvokeMessage
 from core.tools.tool.builtin_tool import BuiltinTool
 
+SUMMARY_PROMPT = """
+User's query: 
+{query}
+
+Here is the search engine result:
+{content}
+
+Please summarize the result in a few sentences.
+"""
+
 
 class DuckDuckGoSearchTool(BuiltinTool):
     """
@@ -25,5 +36,12 @@ def _invoke(self, user_id: str, tool_parameters: dict[str, Any]) -> ToolInvokeMe
         results = [res.get("body") for res in response]
         results = "\n".join(results)
         if require_summary:
-            results = self.summary(user_id=user_id, content=results)
+            results = self.summary_results(user_id=user_id, content=results, query=query)
         return self.create_text_message(text=results)
+
+    def summary_results(self, user_id: str, content: str, query: str) -> str:
+        prompt = SUMMARY_PROMPT.format(query=query, content=content)
+        summary = self.invoke_model(user_id=user_id, prompt_messages=[
+            SystemPromptMessage(content=prompt),
+        ], stop=[])
+        return summary.message.content