Add poor-man cache to boards. Fix it later

boards/views.py

@@ -1,4 +1,7 @@
+from datetime import datetime, timedelta
+
 from django.conf import settings
+from django.core.cache import cache
 from django.shortcuts import render, get_object_or_404
 from django.views.decorators.cache import cache_page
 
@@ -24,13 +27,19 @@ def board(request, board_slug):
                 "board": board
             }, status=401)
 
+    cached_page = cache.get(f"board_{board.slug}")
+    if cached_page and board.refreshed_at <= datetime.utcnow() - timedelta(seconds=settings.BOARD_CACHE_SECONDS):
+        return cached_page
+
     blocks = BoardBlock.objects.filter(board=board)
     feeds = BoardFeed.objects.filter(board=board)
-    return render(request, "board.html", {
+    result = render(request, "board.html", {
         "board": board,
         "blocks": blocks,
         "feeds": feeds,
     })
+    cache.set(f"board_{board.slug}", result, settings.BOARD_CACHE_SECONDS)
+    return result
 
 
 @cache_page(settings.STATIC_PAGE_CACHE_SECONDS)

infomate/settings.py

@@ -93,6 +93,7 @@ CACHES = {
     }
 }
 STATIC_PAGE_CACHE_SECONDS = 5 * 60  # 5 min
+BOARD_CACHE_SECONDS = 10 * 60  # 10 min
 
 # App settings