From f2bc9c1cbe689faf42b7c62be691e8a78bda1194 Mon Sep 17 00:00:00 2001
From: Hinko Kocevar <hinkocevar@gmail.com>
Date: Fri, 16 Apr 2021 10:44:48 +0200
Subject: [PATCH] add trending news list, from Seeking Alpha

---
 .../discovery/disc_controller.py              |  6 +++
 .../discovery/seeking_alpha_model.py          | 37 +++++++++++++++
 .../discovery/seeking_alpha_view.py           | 45 +++++++++++++++++++
 3 files changed, 88 insertions(+)

diff --git a/gamestonk_terminal/discovery/disc_controller.py b/gamestonk_terminal/discovery/disc_controller.py
index 9feec08025a..12bc5149ad3 100644
--- a/gamestonk_terminal/discovery/disc_controller.py
+++ b/gamestonk_terminal/discovery/disc_controller.py
@@ -47,6 +47,7 @@ class DiscoveryController:
         "performance",
         "spectrum",
         "latest",
+        "trending",
         "news_article"
     ]
 
@@ -90,6 +91,7 @@ class DiscoveryController:
         print("   performance    performance of sectors, industry, country [Finviz]")
         print("   spectrum       spectrum of sectors, industry, country [Finviz]")
         print("   latest         latest news [SeekingAlpha]")
+        print("   trending       trending news [SeekingAlpha]")
         print("   news_article   news article [SeekingAlpha]")
         print("")
 
@@ -195,6 +197,10 @@ class DiscoveryController:
         """Process latest command"""
         seeking_alpha_view.latest_news_view(other_args)
 
+    def call_trending(self, other_args: List[str]):
+        """Process trending command"""
+        seeking_alpha_view.trending_news_view(other_args)
+
     def call_news_article(self, other_args: List[str]):
         """Process news_article command"""
         seeking_alpha_view.news_article_view(other_args)
diff --git a/gamestonk_terminal/discovery/seeking_alpha_model.py b/gamestonk_terminal/discovery/seeking_alpha_model.py
index aa74045c041..684e009390a 100755
--- a/gamestonk_terminal/discovery/seeking_alpha_model.py
+++ b/gamestonk_terminal/discovery/seeking_alpha_model.py
@@ -133,6 +133,43 @@ def get_article_list(num: int) -> list:
     return articles
 
 
+def get_trending_list(num: int) -> list:
+    """Returns a list of trending articles
+
+    Parameters
+    ----------
+    pages : int
+        Number of articles
+
+    Returns
+    -------
+    list
+        Trending articles list
+    """
+
+    articles = list()
+    url_articles = "https://seekingalpha.com/news/trending_news"
+    response = requests.get(url_articles, headers={"User-Agent": get_user_agent()})
+
+    # Check that the API response was successful
+    if response.status_code != 200:
+        print("Invalid response\n")
+    else:
+        for item in response.json():
+            article_url = item['uri']
+            if not article_url.startswith('/news/'):
+                continue
+            article_id = article_url.split('/')[2].split('-')[0]
+            articles.append({
+                'title': item['title'],
+                'publishedAt': item['publish_on'],
+                'url': "https://seekingalpha.com"+article_url,
+                'id': article_id
+            })
+
+    return articles
+
+
 def get_article_data(article_id: int) -> dict:
     """Returns an article
 
diff --git a/gamestonk_terminal/discovery/seeking_alpha_view.py b/gamestonk_terminal/discovery/seeking_alpha_view.py
index eff8c341112..0d3764c1a34 100644
--- a/gamestonk_terminal/discovery/seeking_alpha_view.py
+++ b/gamestonk_terminal/discovery/seeking_alpha_view.py
@@ -112,6 +112,51 @@ def latest_news_view(other_args: List[str]):
             break
 
 
+def trending_news_view(other_args: List[str]):
+    """Prints the trending news article list
+
+    Parameters
+    ----------
+    other_args : List[str]
+        argparse other args - ["-n", "5"]
+    """
+
+    parser = argparse.ArgumentParser(
+        add_help=False,
+        prog="trending",
+        description="""Trending news articles. [Source: Seeking Alpha]""",
+    )
+
+    parser.add_argument(
+        "-n",
+        "--num",
+        action="store",
+        dest="n_num",
+        type=check_positive,
+        default=10,
+        help="number of trending articles being printed.",
+    )
+
+    ns_parser = parse_known_args_and_warn(parser, other_args)
+    if not ns_parser:
+        return
+
+    articles = seeking_alpha_model.get_trending_list(ns_parser.n_num)
+    for idx, article in enumerate(articles):
+        print(
+            article["publishedAt"].replace("T", " ").replace("Z", ""),
+            "-",
+            article['id'],
+            "-",
+            article["title"],
+        )
+        print(article["url"])
+        print("")
+
+        if idx >= ns_parser.n_num - 1:
+            break
+
+
 def news_article_view(other_args: List[str]):
     """Prints a news article