Added sources argument to the news command (#756)

* Added sources arg to newsapi

* Updated docs

* Added tld check

5 files changed, 47 insertions, 21 deletions

diff --git a/gamestonk_terminal/common/newsapi_view.py b/gamestonk_terminal/common/newsapi_view.py
index 64f04b09ee8..a51f2e7daee 100644
--- a/gamestonk_terminal/common/newsapi_view.py
+++ b/gamestonk_terminal/common/newsapi_view.py
@@ -11,6 +11,7 @@ def news(
     num: int,
     s_from: str,
     show_newest: bool,
+    sources: str,
 ):
     """Display news for a given title. [Source: NewsAPI]
 
@@ -24,14 +25,19 @@ def news(
         date to start searching articles from formatted YYYY-MM-DD
     show_newest: bool
         flag to show newest articles first
+    sources: str
+        sources to exclusively show news from
     """
-    # TODO: Add argument to specify news source being used
-
-    response = requests.get(
-        f"https://newsapi.org/v2/everything?q={term}&from={s_from}"
-        f"&sortBy=publishedAt&language=en&apiKey={cfg.API_NEWS_TOKEN}",
+    link = (
+        f"https://newsapi.org/v2/everything?q={term}&from={s_from}&sortBy=publishedAt&language=en"
+        f"&apiKey={cfg.API_NEWS_TOKEN}"
     )
 
+    if sources:
+        link += f"&domains={sources}"
+
+    response = requests.get(link)
+
     # Check that the API response was successful
     if response.status_code == 426:
         print(f"Error in request: {response.json()['message']}", "\n")
diff --git a/gamestonk_terminal/stocks/README.md b/gamestonk_terminal/stocks/README.md
index 34a8ed31cab..819fa8617a3 100644
--- a/gamestonk_terminal/stocks/README.md
+++ b/gamestonk_terminal/stocks/README.md
@@ -4,6 +4,7 @@
    * [Load](#Load)
    * [Quote](#Quote)
    * [Candle](#Candle)
+   * [News](#News)
 * [Discover Stocks](#Discover-Stocks-)
 * [Behavioural Analysis](#Behavioural-Analysis-)
 * [Research](#Research-)
@@ -49,6 +50,22 @@ Visualize candles historical data, with support and resistance bars, and moving
 ![nio](https://user-images.githubusercontent.com/25267873/111053397-4d609e00-845b-11eb-9c94-89b8892a8e81.png)
 
 
+#### News
+
+```text
+news [-n N_NUM] [-d N_START_DATE] [-o] [-s N_SOURCES [N_SOURCES ...]]
+```
+
+Prints latest news about company, including date, title and web link. [Source: News API]
+
+* -n : Number of latest news being printed. Default 5.
+* -d : The starting date (format YYYY-MM-DD) to search articles from.
+* -o : Show oldest articles first.
+* -s : Show news only from the sources specified (e.g bbc yahoo.com)
+
+<img width="770" alt="Captura de ecrã 2021-03-22, às 22 47 42" src="https://user-images.githubusercontent.com/25267873/112070935-b2587a00-8b66-11eb-8dfb-0353fc83311d.png">
+
+
 ## [Discover Stocks »»](discovery/README.md)
 
 Command|Description|Source
diff --git a/gamestonk_terminal/stocks/due_diligence/README.md b/gamestonk_terminal/stocks/due_diligence/README.md
index 40d9fb36e89..c1b13345d60 100644
--- a/gamestonk_terminal/stocks/due_diligence/README.md
+++ b/gamestonk_terminal/stocks/due_diligence/README.md
@@ -2,8 +2,6 @@
 
 This menu aims to help in due-diligence of a pre-loaded stock, and the usage of the following commands along with an example will be exploited below.
 
-* [news](#news)
-  * latest news of the company [News API]
 * [red](#red)
   * gets due diligence from another user's post [Reddit]
 * [analyst](#analyst)
@@ -39,19 +37,6 @@ This menu aims to help in due-diligence of a pre-loaded stock, and the usage of
 * [customer](#customer)
   * list of customers [csimarket]
 
-## news <a name="news"></a>
-
-```text
-news [-n N_NUM]
-```
-
-Prints latest news about company, including date, title and web link. [Source: News API]
-
-* -n : Number of latest news being printed. Default 10.
-
-<img width="770" alt="Captura de ecrã 2021-03-22, às 22 47 42" src="https://user-images.githubusercontent.com/25267873/112070935-b2587a00-8b66-11eb-8dfb-0353fc83311d.png">
-
-
 ## red <a name="red"></a>
 
 ```text
diff --git a/gamestonk_terminal/stocks/stocks_controller.py b/gamestonk_terminal/stocks/stocks_controller.py
index 4b003a42ebb..7350ad08a29 100644
--- a/gamestonk_terminal/stocks/stocks_controller.py
+++ b/gamestonk_terminal/stocks/stocks_controller.py
@@ -251,17 +251,30 @@ Market {('CLOSED', 'OPEN')[b_is_stock_market_open()]}
             default=True,
             help="Show oldest articles first",
         )
+        parser.add_argument(
+            "-s",
+            "--sources",
+            default=[],
+            nargs="+",
+            help="Show news only from the sources specified (e.g bbc yahoo.com)",
+        )
 
         try:
             ns_parser = parse_known_args_and_warn(parser, other_args)
             if not ns_parser:
                 return
 
+            sources = ns_parser.sources
+            for idx, source in enumerate(sources):
+                if source.find(".") == -1:
+                    sources[idx] += ".com"
+
             newsapi_view.news(
                 term=self.ticker,
                 num=ns_parser.n_num,
                 s_from=ns_parser.n_start_date.strftime("%Y-%m-%d"),
                 show_newest=ns_parser.n_oldest,
+                sources=",".join(sources),
             )
 
         except Exception as e:
diff --git a/website/content/stocks/news/_index.md b/website/content/stocks/news/_index.md
index 0b6bba77315..8eee19690b2 100755
--- a/website/content/stocks/news/_index.md
+++ b/website/content/stocks/news/_index.md
@@ -1,5 +1,5 @@
 ```
-usage: news [-n N_NUM] [-h]
+usage: news [-n N_NUM] [-d N_START_DATE] [-o] [-s N_SOURCES [N_SOURCES ...]] [-h]
 ```
 
 Prints latest news about company, including date, title and web link. [Source: News API]
@@ -8,5 +8,10 @@ Prints latest news about company, including date, title and web link. [Source: N
 optional arguments:
   -n N_NUM, --num N_NUM
                         Number of latest news being printed.
+  -d N_START_DATE, --date N_START_DATE
+                        The starting date (format YYYY-MM-DD) to search articles from
+  -o, --oldest          Show oldest articles first
+  -s N_SOURCES [N_SOURCES ...], --sources N_SOURCES [N_SOURCES ...]
+                        Show news only from the sources specified (e.g bbc yahoo.com)
   -h, --help            show this help message
 ```