WebHost: fix landing page caching and mention amount of multiworlds in the last week.

WebHostLib/landing.py

@@ -1,8 +1,10 @@
 from flask import render_template
 from WebHostLib import app, cache
+from .models import *
+from datetime import timedelta
 
-
-@cache.memoize(timeout=300)
 @app.route('/', methods=['GET', 'POST'])
+@cache.cached(timeout=300) # cache has to appear under app route for caching to work
 def landing():
-    return render_template("landing.html")
+    multiworlds = count(room for room in Room if room.creation_time >= datetime.utcnow() - timedelta(days=7))
+    return render_template("landing.html", multiworlds=multiworlds)

WebHostLib/templates/landing.html

@@ -35,6 +35,7 @@
                 <p>This website is under active development. As such, your hosted rooms may occasionally disappear,
                     and there may be bugs. If you do happen to find a bug, please report it
                     <a href="https://github.com/Berserker66/MultiWorld-Utilities/issues">here</a>.</p>
+                <p>{{ multiworlds }} games were started in the last 7 days.</p>
             </div>
         </div>
         <iframe src="https://discordapp.com/widget?id=731205301247803413&theme=light"