From 23dfb97309282d96d05644eb8960f3c8a9b05393 Mon Sep 17 00:00:00 2001
From: James Taylor <user234683@users.noreply.github.com>
Date: Thu, 18 Oct 2018 01:41:53 -0700
Subject: Support for search filters: upload date, type, duration

---
 youtube/common.py | 51 +++++++++++++++++++++++++++++++++++++++++++++++++++
 youtube/search.py | 15 ++++++++++-----
 2 files changed, 61 insertions(+), 5 deletions(-)

diff --git a/youtube/common.py b/youtube/common.py
index ae2ada1..54ac70f 100644
--- a/youtube/common.py
+++ b/youtube/common.py
@@ -317,6 +317,57 @@ header_template = Template('''
 
                                 <input type="radio" id="sort_rating" name="sort" value="1">
                                 <label for="sort_rating">Rating</label>
+
+
+                                <h3>Upload date</h3>
+                                <input type="radio" id="time_any" name="time" value="0">
+                                <label for="time_any">Any</label>
+
+                                <input type="radio" id="time_last_hour" name="time" value="1">
+                                <label for="time_last_hour">Last hour</label>
+
+                                <input type="radio" id="time_today" name="time" value="2">
+                                <label for="time_today">Today</label>
+
+                                <input type="radio" id="time_this_week" name="time" value="3">
+                                <label for="time_this_week">This week</label>
+
+                                <input type="radio" id="time_this_month" name="time" value="4">
+                                <label for="time_this_month">This month</label>
+
+                                <input type="radio" id="time_this_year" name="time" value="5">
+                                <label for="time_this_year">This year</label>
+
+                                <h3>Type</h3>
+                                <input type="radio" id="type_any" name="type" value="0">
+                                <label for="type_any">Any</label>
+
+                                <input type="radio" id="type_video" name="type" value="1">
+                                <label for="type_video">Video</label>
+
+                                <input type="radio" id="type_channel" name="type" value="2">
+                                <label for="type_channel">Channel</label>
+
+                                <input type="radio" id="type_playlist" name="type" value="3">
+                                <label for="type_playlist">Playlist</label>
+
+                                <input type="radio" id="type_movie" name="type" value="4">
+                                <label for="type_movie">Movie</label>
+
+                                <input type="radio" id="type_show" name="type" value="5">
+                                <label for="type_show">Show</label>
+
+
+                                <h3>Duration</h3>
+                                <input type="radio" id="duration_any" name="duration" value="0">
+                                <label for="duration_any">Any</label>
+
+                                <input type="radio" id="duration_short" name="duration" value="1">
+                                <label for="duration_short">Short (< 4 minutes)</label>
+
+                                <input type="radio" id="duration_long" name="duration" value="2">
+                                <label for="duration_long">Long (> 20 minutes)</label>
+
                             </div>
                         </div>
                     </div>
diff --git a/youtube/search.py b/youtube/search.py
index 206f000..0ddc84d 100644
--- a/youtube/search.py
+++ b/youtube/search.py
@@ -38,13 +38,14 @@ features = {
     'location': 23,
 }
 
-def page_number_to_sp_parameter(page, autocorrect=1, sort = 0):
+def page_number_to_sp_parameter(page, autocorrect, sort, filters):
     offset = (int(page) - 1)*20    # 20 results per page
     autocorrect = proto.nested(8, proto.uint(1, 1 - int(autocorrect) ))
-    result = proto.uint(1, sort) + proto.uint(9, offset) + proto.string(61, b'') + autocorrect
+    filters_enc = proto.nested(2, proto.uint(1, filters['time']) + proto.uint(2, filters['type']) + proto.uint(3, filters['duration']))
+    result = proto.uint(1, sort) + filters_enc + autocorrect + proto.uint(9, offset) + proto.string(61, b'')
     return base64.urlsafe_b64encode(result).decode('ascii')
 
-def get_search_json(query, page, autocorrect, sort):
+def get_search_json(query, page, autocorrect, sort, filters):
     url = "https://www.youtube.com/results?search_query=" + urllib.parse.quote_plus(query)
     headers = {
         'Host': 'www.youtube.com',
@@ -54,7 +55,7 @@ def get_search_json(query, page, autocorrect, sort):
         'X-YouTube-Client-Name': '1',
         'X-YouTube-Client-Version': '2.20180418',
     }
-    url += "&pbj=1&sp=" + page_number_to_sp_parameter(page, autocorrect, sort).replace("=", "%3D")
+    url += "&pbj=1&sp=" + page_number_to_sp_parameter(page, autocorrect, sort, filters).replace("=", "%3D")
     content = common.fetch_url(url, headers=headers, report_text="Got search results")
     info = json.loads(content)
     return info
@@ -90,7 +91,11 @@ def get_search_page(query_string, parameters=()):
     page = qs_query.get("page", "1")[0]
     autocorrect = int(qs_query.get("autocorrect", "1")[0])
     sort = int(qs_query.get("sort", "0")[0])
-    info = get_search_json(query, page, autocorrect, sort)
+    filters = {}
+    filters['time'] = int(qs_query.get("time", "0")[0])
+    filters['type'] = int(qs_query.get("type", "0")[0])
+    filters['duration'] = int(qs_query.get("duration", "0")[0])
+    info = get_search_json(query, page, autocorrect, sort, filters)
     
     estimated_results = int(info[1]['response']['estimatedResults'])
     estimated_pages = ceil(estimated_results/20)
-- 
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