Refactor news & social modules

- update NewsAPIsTool
- update SocialAPIsTool
- add tests for NewsAPIsTool
- added some missing docs

src/app/news/googlenews.py

@@ -0,0 +1,36 @@
+from gnews import GNews
+from .base import Article, NewsWrapper
+
+def result_to_article(result: dict) -> Article:
+    article = Article()
+    article.source = result.get("source", "")
+    article.time = result.get("publishedAt", "")
+    article.title = result.get("title", "")
+    article.description = result.get("description", "")
+    return article
+
+class GoogleNewsWrapper(NewsWrapper):
+    """
+    A wrapper for the Google News RSS Feed (Documentation: https://github.com/ranahaani/GNews/?tab=readme-ov-file#about-gnews)
+    It does not require an API key and is free to use.
+    """
+
+    def get_top_headlines(self, total: int = 100) -> list[Article]:
+        gnews = GNews(language='en', max_results=total, period='7d')
+        results = gnews.get_top_news()
+
+        articles = []
+        for result in results:
+            article = result_to_article(result)
+            articles.append(article)
+        return articles
+
+    def get_latest_news(self, query: str, total: int = 100) -> list[Article]:
+        gnews = GNews(language='en', max_results=total, period='7d')
+        results = gnews.get_news(query)
+
+        articles = []
+        for result in results:
+            article = result_to_article(result)
+            articles.append(article)
+        return articles