From f70d405202ccec44849f8cd8d30ba37b254f2b69 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?No=C3=A9mi=20V=C3=A1nyi?= <sitbackandwait@gmail.com>
Date: Sun, 30 Oct 2016 18:14:42 +0100
Subject: [PATCH] add time range search for bing news

---
 searx/engines/bing_news.py           | 24 +++++++++++++++++++-----
 tests/unit/engines/test_bing_news.py |  1 +
 2 files changed, 20 insertions(+), 5 deletions(-)

diff --git a/searx/engines/bing_news.py b/searx/engines/bing_news.py
index a2397c48..906afe66 100644
--- a/searx/engines/bing_news.py
+++ b/searx/engines/bing_news.py
@@ -22,10 +22,15 @@ from searx.utils import list_get
 categories = ['news']
 paging = True
 language_support = True
+time_range_support = True
 
 # search-url
 base_url = 'https://www.bing.com/'
 search_string = 'news/search?{query}&first={offset}&format=RSS'
+search_string_with_time = 'news/search?{query}&first={offset}&qft=interval%3d"{interval}"&format=RSS'
+time_range_dict = {'day': '7',
+                   'week': '8',
+                   'month': '9'}
 
 
 # remove click
@@ -46,6 +51,19 @@ def image_url_cleanup(url_string):
     return url_string
 
 
+def _get_url(query, language, offset, time_range):
+    if time_range in time_range_dict:
+        search_path = search_string_with_time.format(
+            query=urlencode({'q': query, 'setmkt': language}),
+            offset=offset,
+            interval=time_range_dict[time_range])
+    else:
+        search_path = search_string.format(
+            query=urlencode({'q': query, 'setmkt': language}),
+            offset=offset)
+    return base_url + search_path
+
+
 # do search-request
 def request(query, params):
     offset = (params['pageno'] - 1) * 10 + 1
@@ -55,11 +73,7 @@ def request(query, params):
     else:
         language = params['language'].replace('_', '-')
 
-    search_path = search_string.format(
-        query=urlencode({'q': query, 'setmkt': language}),
-        offset=offset)
-
-    params['url'] = base_url + search_path
+    params['url'] = _get_url(query, language, offset, params['time_range'])
 
     return params
 
diff --git a/tests/unit/engines/test_bing_news.py b/tests/unit/engines/test_bing_news.py
index a64d59b7..a909defe 100644
--- a/tests/unit/engines/test_bing_news.py
+++ b/tests/unit/engines/test_bing_news.py
@@ -12,6 +12,7 @@ class TestBingNewsEngine(SearxTestCase):
         dicto = defaultdict(dict)
         dicto['pageno'] = 1
         dicto['language'] = 'fr_FR'
+        dicto['time_range'] = ''
         params = bing_news.request(query, dicto)
         self.assertIn('url', params)
         self.assertIn(query, params['url'])