Add news module (#147)

* Add new feature for latest news

* Adding main module and test module

* Bug Fixes related to search query

* Review changes

Author: harshitdx29

config.py

@@ -16,3 +16,4 @@
 TIME_ZONE_DB_API_KEY = '<<TIME_ZONE_DB_API_KEY>>'
 WORDS_API_KEY = '<<WORDS_API_KEY>>'
 YOUTUBE_DATA_API_KEY = '<<YOUTUBE_DATA_API_KEY>>'
+NEWS_API_KEY = '<<NEWS_API_KEY>>'

modules/src/__init__.py

@@ -13,6 +13,7 @@
     'joke',
     'movie',
     'music',
+    'news',
     'quote',
     'request',
     'time',

modules/src/news.py

@@ -0,0 +1,35 @@
+import requests
+import config
+import os
+from templates.generic import *
+from templates.text import TextTemplate
+
+NEWS_API_KEY = os.environ.get('NEWS_API_KEY', config.NEWS_API_KEY)
+
+def process(input, entities=None):
+    output = {}
+    source = 'google-news'
+    try:
+        r = requests.get('https://newsapi.org/v1/articles?source=' +  source + '&apiKey=' + NEWS_API_KEY)
+        data = r.json()
+        assert(len(data["articles"]) > 0)
+        template = GenericTemplate()
+        for article in data['articles']:
+            title = article['title']
+            description = article['description']
+            url = article['url']
+            buttons = ButtonTemplate()
+            buttons.add_web_url('Powered by NewsAPI', 'https://newsapi.org/')
+            template.add_element(title=title, item_url=url, subtitle=description, buttons=buttons.get_buttons())
+        output['input'] = input
+        output['output'] = template.get_message()
+        output['success'] = True
+    except:
+        error_message = 'I couldn\'t perform that action.'
+        error_message += '\nPlease ask me something else, like:'
+        error_message += '\n  - latest news'
+        error_message += '\n  - world news'
+        error_message += '\n  - news'
+        output['error_msg'] = TextTemplate(error_message).get_message()
+        output['success'] = False
+    return output

modules/tests/test_news.py

@@ -0,0 +1,7 @@
+import modules
+
+def test_news():
+    assert('news' == modules.process_query('news')[0])
+    assert('news' == modules.process_query('latest news')[0])
+    assert('news' == modules.process_query('world news')[0])
+    assert('news' != modules.process_query('something random')[0])