From e3d748ded435aad8f1b11a4870011ae52e7c838f 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 20:49:45 +0100
Subject: [PATCH 1/5] show time range support in preferences

---
 searx/templates/oscar/preferences.html | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/searx/templates/oscar/preferences.html b/searx/templates/oscar/preferences.html
index 283b7ba88..85e90d17d 100644
--- a/searx/templates/oscar/preferences.html
+++ b/searx/templates/oscar/preferences.html
@@ -158,6 +158,7 @@
 				    <th>{{ _("Engine name") }}</th>
 				    <th>{{ _("Shortcut") }}</th>
 				    <th>{{ _("SafeSearch") }}</th>
+				    <th>{{ _("Time range") }}</th>
 				    <th>{{ _("Avg. time") }}</th>
 				    <th>{{ _("Max time") }}</th>
                                     {% else %}
@@ -179,6 +180,7 @@
                                     <th>{{ search_engine.name }}</th>
 				    <td>{{ shortcuts[search_engine.name] }}</td>
 				    <td><input type="checkbox" {{ "checked" if search_engine.safesearch==True else ""}} readonly="readonly" disabled="disabled"></td>
+				    <td><input type="checkbox" {{ "checked" if search_engine.time_range_support==True else ""}} readonly="readonly" disabled="disabled"></td>
 				    <td class="{{ 'danger' if stats[search_engine.name]['warn_time'] else '' }}">{{ 'N/A' if stats[search_engine.name].time==None else stats[search_engine.name].time }}</td>
 				    <td class="{{ 'danger' if stats[search_engine.name]['warn_timeout'] else '' }}">{{ search_engine.timeout }}</td>
                                     {% else %}

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 2/5] 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 a2397c48e..906afe662 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 a64d59b7b..a909defec 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'])

From d2e0cbafb265594a23389fe58b7889ff088560f6 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 20:26:38 +0100
Subject: [PATCH 3/5] add time range search for youtube noapi

---
 searx/engines/youtube_noapi.py           | 7 +++++++
 tests/unit/engines/test_youtube_noapi.py | 1 +
 2 files changed, 8 insertions(+)

diff --git a/searx/engines/youtube_noapi.py b/searx/engines/youtube_noapi.py
index 401fca4c9..b33594465 100644
--- a/searx/engines/youtube_noapi.py
+++ b/searx/engines/youtube_noapi.py
@@ -17,10 +17,15 @@ from searx.utils import list_get
 categories = ['videos', 'music']
 paging = True
 language_support = False
+time_range_support = True
 
 # search-url
 base_url = 'https://www.youtube.com/results'
 search_url = base_url + '?search_query={query}&page={page}'
+time_range_url = '&sp=EgII{time_range}%253D%253D'
+time_range_dict = {'day': 'Ag',
+                   'week': 'Aw',
+                   'month': 'BA'}
 
 embedded_url = '<iframe width="540" height="304" ' +\
     'data-src="//www.youtube-nocookie.com/embed/{videoid}" ' +\
@@ -47,6 +52,8 @@ def extract_text_from_dom(result, xpath):
 def request(query, params):
     params['url'] = search_url.format(query=quote_plus(query),
                                       page=params['pageno'])
+    if params['time_range'] in time_range_dict:
+        params['url'] += time_range_url.format(time_range=time_range_dict[params['time_range']])
 
     return params
 
diff --git a/tests/unit/engines/test_youtube_noapi.py b/tests/unit/engines/test_youtube_noapi.py
index 9fa8fd20e..986441b51 100644
--- a/tests/unit/engines/test_youtube_noapi.py
+++ b/tests/unit/engines/test_youtube_noapi.py
@@ -11,6 +11,7 @@ class TestYoutubeNoAPIEngine(SearxTestCase):
         query = 'test_query'
         dicto = defaultdict(dict)
         dicto['pageno'] = 0
+        dicto['time_range'] = ''
         params = youtube_noapi.request(query, dicto)
         self.assertIn('url', params)
         self.assertIn(query, params['url'])

From 5c02b9ef3113feaf8e98621970f7836a74376c23 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 20:58:34 +0100
Subject: [PATCH 4/5] add time range support for bing images

---
 searx/engines/bing_images.py           | 7 +++++++
 tests/unit/engines/test_bing_images.py | 1 +
 2 files changed, 8 insertions(+)

diff --git a/searx/engines/bing_images.py b/searx/engines/bing_images.py
index 384520392..417871d6f 100644
--- a/searx/engines/bing_images.py
+++ b/searx/engines/bing_images.py
@@ -24,11 +24,16 @@ import re
 categories = ['images']
 paging = True
 safesearch = True
+time_range_support = True
 
 # search-url
 base_url = 'https://www.bing.com/'
 search_string = 'images/search?{query}&count=10&first={offset}'
+time_range_string = '&qft=+filterui:age-lt{interval}'
 thumb_url = "https://www.bing.com/th?id={ihk}"
+time_range_dict = {'day': '1440',
+                   'week': '10080',
+                   'month': '43200'}
 
 # safesearch definitions
 safesearch_types = {2: 'STRICT',
@@ -58,6 +63,8 @@ def request(query, params):
         '&ADLT=' + safesearch_types.get(params['safesearch'], 'DEMOTE')
 
     params['url'] = base_url + search_path
+    if params['time_range'] in time_range_dict:
+        params['url'] += time_range_string.format(interval=time_range_dict[params['time_range']])
 
     return params
 
diff --git a/tests/unit/engines/test_bing_images.py b/tests/unit/engines/test_bing_images.py
index 9d8ec18af..cc256f51e 100644
--- a/tests/unit/engines/test_bing_images.py
+++ b/tests/unit/engines/test_bing_images.py
@@ -13,6 +13,7 @@ class TestBingImagesEngine(SearxTestCase):
         dicto['pageno'] = 1
         dicto['language'] = 'fr_FR'
         dicto['safesearch'] = 1
+        dicto['time_range'] = ''
         params = bing_images.request(query, dicto)
         self.assertTrue('url' in params)
         self.assertTrue(query in params['url'])

From 1490d6bc939a59458a6ae9a56045064a3fc8b7a4 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 21:20:40 +0100
Subject: [PATCH 5/5] add time range search for flickr

---
 searx/engines/flickr_noapi.py           | 17 ++++++++++++++---
 tests/unit/engines/test_flickr_noapi.py |  1 +
 2 files changed, 15 insertions(+), 3 deletions(-)

diff --git a/searx/engines/flickr_noapi.py b/searx/engines/flickr_noapi.py
index 87b912eb3..5c4193c11 100644
--- a/searx/engines/flickr_noapi.py
+++ b/searx/engines/flickr_noapi.py
@@ -14,6 +14,7 @@
 
 from urllib import urlencode
 from json import loads
+from time import time
 import re
 from searx.engines import logger
 
@@ -24,21 +25,31 @@ categories = ['images']
 
 url = 'https://www.flickr.com/'
 search_url = url + 'search?{query}&page={page}'
+time_range_url = '&min_upload_date={start}&max_upload_date={end}'
 photo_url = 'https://www.flickr.com/photos/{userid}/{photoid}'
 regex = re.compile(r"\"search-photos-lite-models\",\"photos\":(.*}),\"totalItems\":", re.DOTALL)
 image_sizes = ('o', 'k', 'h', 'b', 'c', 'z', 'n', 'm', 't', 'q', 's')
 
 paging = True
+time_range_support = True
+time_range_dict = {'day': 60 * 60 * 24,
+                   'week': 60 * 60 * 24 * 7,
+                   'month': 60 * 60 * 24 * 7 * 4}
 
 
 def build_flickr_url(user_id, photo_id):
     return photo_url.format(userid=user_id, photoid=photo_id)
 
 
-def request(query, params):
-    params['url'] = search_url.format(query=urlencode({'text': query}),
-                                      page=params['pageno'])
+def _get_time_range_url(time_range):
+    if time_range in time_range_dict:
+        return time_range_url.format(start=time(), end=str(int(time()) - time_range_dict[time_range]))
+    return ''
 
+
+def request(query, params):
+    params['url'] = (search_url.format(query=urlencode({'text': query}), page=params['pageno'])
+                     + _get_time_range_url(params['time_range']))
     return params
 
 
diff --git a/tests/unit/engines/test_flickr_noapi.py b/tests/unit/engines/test_flickr_noapi.py
index 42f38f90b..6d09071bd 100644
--- a/tests/unit/engines/test_flickr_noapi.py
+++ b/tests/unit/engines/test_flickr_noapi.py
@@ -15,6 +15,7 @@ class TestFlickrNoapiEngine(SearxTestCase):
         query = 'test_query'
         dicto = defaultdict(dict)
         dicto['pageno'] = 1
+        dicto['time_range'] = ''
         params = flickr_noapi.request(query, dicto)
         self.assertIn('url', params)
         self.assertIn(query, params['url'])