Pass all GET params over thread list links

boards/views/all_threads.py

@@ -65,7 +65,7 b' class AllThreadsView(PostMixin, BaseBoar'
         params[CONTEXT_FORM] = form
         params[PARAMETER_BANNERS] = Banner.objects.order_by('-id').all()
 
-        self.get_page_context(paginator, params, page)
+        self.get_page_context(paginator, params, page, request.GET.dict())
 
         return render(request, TEMPLATE, params)
 
@@ -82,7 +82,7 b' class AllThreadsView(PostMixin, BaseBoar'
 
         return self.get(request, form)
 
-    def get_page_context(self, paginator, params, page):
+    def get_page_context(self, paginator, params, page, url_params):
         """
         Get pagination context variables
         """
@@ -92,20 +92,24 b' class AllThreadsView(PostMixin, BaseBoar'
         params[PARAMETER_CURRENT_PAGE] = current_page
         if current_page.has_previous():
             params[PARAMETER_PREV_LINK] = self.get_previous_page_link(
-                    current_page)
+                    current_page, url_params)
         if current_page.has_next():
-            params[PARAMETER_NEXT_LINK] = self.get_next_page_link(current_page)
+            params[PARAMETER_NEXT_LINK] = self.get_next_page_link(current_page,
+                    url_params)
+
+    def get_previous_page_link(self, current_page, params):
+        params['page'] = current_page.previous_page_number()
+        return self.get_reverse_url(params)
 
-    def get_previous_page_link(self, current_page):
-        return self.get_reverse_url() + '?page=' \
-                + str(current_page.previous_page_number())
+    def get_next_page_link(self, current_page, params):
+        params['page'] = current_page.next_page_number()
+        return self.get_reverse_url(params)
 
-    def get_next_page_link(self, current_page):
-        return self.get_reverse_url() + '?page=' \
-                + str(current_page.next_page_number())
+    def get_url_params(self, params):
+        return '?' + '&'.join(['{}={}'.format(key, params[key]) for key in params.keys()])
 
-    def get_reverse_url(self):
-        return reverse('index')
+    def get_reverse_url(self, params):
+        return reverse('index') + self.get_url_params(params)
 
     @transaction.atomic
     def create_thread(self, request, form: ThreadForm, html_response=True):

boards/views/tag_threads.py

@@ -55,9 +55,8 b' class TagView(AllThreadsView, Dispatcher'
 
         return params
 
-    def get_reverse_url(self):
-        return reverse('tag', kwargs={
-            'tag_name': self.tag_name})
+    def get_reverse_url(self, params):
+        return reverse('tag', kwargs={'tag_name': self.tag_name}) + self.get_url_params(params)
 
     def get(self, request, tag_name, form=None):
         self.tag_name = tag_name