Add paginator

TODO

@@ -1,3 +1,3 @@
-- Template base
-- change about
 - Single talk.
+- List profiles
+- Chat

app/website/consumers.py

@@ -20,7 +20,8 @@ class WebsiteConsumer(AsyncWebsocketConsumer):
         await self.channel_layer.group_send(
             self.room_group_name,
             {
-                "type": "send_page_talks"
+                "type": "send_page_talks",
+                "page": 1,
             }
         )
 
@@ -36,10 +37,14 @@ class WebsiteConsumer(AsyncWebsocketConsumer):
         if data["action"] == "page":
             # Talks
             if data["value"] == "talks":
+                page = 1
+                if "page" in data:
+                    page = int(data["page"])
                 await self.channel_layer.group_send(
                     self.room_group_name,
                     {
-                        "type": "send_page_talks"
+                        "type": "send_page_talks",
+                        "page": page,
                     }
                 )
             # About
@@ -53,12 +58,12 @@ class WebsiteConsumer(AsyncWebsocketConsumer):
 
     # Pages
 
-    def _get_talks(self):
-        return page_talks()
+    def _get_talks(self, page):
+        return page_talks(page=page)
 
     async def send_page_talks(self, event):
         ''' Send Home page '''
-        html = await sync_to_async(self._get_talks)()
+        html = await sync_to_async(self._get_talks)(event["page"])
         await self.send(text_data=html)
 
     def _get_about(self):

app/website/templates/pages/talks.html

@@ -17,4 +17,13 @@
             </article>
         </a>
     {% endfor %}
+    {# Pagination #}
+    <div class="loading" >
+        <form>
+            <input type="hidden" name="action" value="page">
+            <input type="hidden" name="value" value="talks">
+            <input type="hidden" name="page" value="{{ next_page }}">
+            <p hx-ws="send" hx-trigger="click,revealed">Show more</p>
+        </form>
+    </div>
 </main>

app/website/views.py

@@ -14,9 +14,13 @@ def index(request):
     })
 
 
-def page_talks():
-    return render_to_string("pages/talks.html", {
-        "talks": Talk.objects.order_by("title")[:5]
+def page_talks(page=1):
+    TALK_PER_PAGE = 5
+    return render_to_string("pages/talks.html",
+                            {
+        "talks": Talk.objects.order_by("title")[:TALK_PER_PAGE * page],
+        "page": page,
+        "next_page": page + 1,
     })