Refactor NewsAPIsTool to aggregate multiple news API wrappers and enhance functionality

src/app/news/__init__.py

@@ -1,3 +1,4 @@
+from agno.tools import Toolkit
 from app.utils.wrapper_handler import WrapperHandler
 from .base import NewsWrapper, Article
 from .news_api import NewsApiWrapper
@@ -5,28 +6,50 @@ from .gnews_api import GoogleNewsWrapper
 from .cryptopanic_api import CryptoPanicWrapper
 from .duckduckgo import DuckDuckGoWrapper
 
-__all__ = ["NewsApiWrapper", "GoogleNewsWrapper", "CryptoPanicWrapper", "DuckDuckGoWrapper"]
+__all__ = ["NewsAPIsTool", "NEWS_INSTRUCTIONS", "NewsApiWrapper", "GoogleNewsWrapper", "CryptoPanicWrapper", "DuckDuckGoWrapper"]
 
 
-class NewsAPIs(NewsWrapper):
+class NewsAPIsTool(NewsWrapper, Toolkit):
     """
-    A wrapper class that aggregates multiple news API wrappers and tries them in order until one succeeds.
-    This class uses the WrapperHandler to manage multiple NewsWrapper instances.
-    It includes, and tries, the following news API wrappers in this order:
+    Aggregates multiple news API wrappers and manages them using WrapperHandler.
+    This class supports retrieving top headlines and latest news articles by querying multiple sources:
     - GoogleNewsWrapper
     - DuckDuckGoWrapper
     - NewsApiWrapper
     - CryptoPanicWrapper
 
-    It provides methods to get top headlines and latest news by delegating the calls to the first successful wrapper.
-    If all wrappers fail, it raises an exception.
+    By default, it returns results from the first successful wrapper. 
+    Optionally, it can be configured to collect articles from all wrappers.
+    If no wrapper succeeds, an exception is raised.
     """
 
     def __init__(self):
         wrappers = [GoogleNewsWrapper, DuckDuckGoWrapper, NewsApiWrapper, CryptoPanicWrapper]
         self.wrapper_handler: WrapperHandler[NewsWrapper] = WrapperHandler.build_wrappers(wrappers)
 
+        Toolkit.__init__(
+            self,
+            name="News APIs Toolkit",
+            tools=[
+                self.get_top_headlines,
+                self.get_latest_news,
+            ],
+        )
+
+    # TODO Pensare se ha senso restituire gli articoli da TUTTI i wrapper o solo dal primo che funziona
+    # la modifica è banale, basta usare try_call_all invece di try_call
     def get_top_headlines(self, total: int = 100) -> list[Article]:
         return self.wrapper_handler.try_call(lambda w: w.get_top_headlines(total))
     def get_latest_news(self, query: str, total: int = 100) -> list[Article]:
         return self.wrapper_handler.try_call(lambda w: w.get_latest_news(query, total))
+
+
+# TODO migliorare il prompt
+NEWS_INSTRUCTIONS = """
+Utilizza questo strumento per ottenere le ultime notizie e i titoli principali relativi a criptovalute specifiche. Puoi richiedere le notizie più recenti o i titoli principali.
+
+Esempio di utilizzo:
+- get_latest_news("crypto", limit=5) # ottieni le ultime 5 notizie su "crypto", la query può essere qualsiasi argomento di interesse
+- get_top_headlines(limit=3) # ottieni i 3 titoli principali delle notizie globali
+
+"""