From f4af1687bf12543f89dfe37d12bd40061859dc7d Mon Sep 17 00:00:00 2001
From: Alex Gleason <alex@alexgleason.me>
Date: Fri, 26 Aug 2022 09:48:49 -0500
Subject: [PATCH] Filter out expiring ads

---
 app/soapbox/features/ads/providers/index.ts  |  2 ++
 app/soapbox/features/ads/providers/rumble.ts |  1 +
 app/soapbox/queries/ads.ts                   | 14 +++++++++++++-
 3 files changed, 16 insertions(+), 1 deletion(-)

diff --git a/app/soapbox/features/ads/providers/index.ts b/app/soapbox/features/ads/providers/index.ts
index 65e593985..b9c504bff 100644
--- a/app/soapbox/features/ads/providers/index.ts
+++ b/app/soapbox/features/ads/providers/index.ts
@@ -20,6 +20,8 @@ interface Ad {
   card: Card,
   /** Impression URL to fetch when displaying the ad. */
   impression?: string,
+  /** Time when the ad expires and should no longer be displayed. */
+  expires?: Date,
 }
 
 /** Gets the current provider based on config. */
diff --git a/app/soapbox/features/ads/providers/rumble.ts b/app/soapbox/features/ads/providers/rumble.ts
index 249fc8547..ace4021f0 100644
--- a/app/soapbox/features/ads/providers/rumble.ts
+++ b/app/soapbox/features/ads/providers/rumble.ts
@@ -43,6 +43,7 @@ const RumbleAdProvider: AdProvider = {
             image: item.asset,
             url: item.click,
           }),
+          expires: new Date(item.expires * 1000),
         }));
       }
     }
diff --git a/app/soapbox/queries/ads.ts b/app/soapbox/queries/ads.ts
index 7ad594a94..0b296f677 100644
--- a/app/soapbox/queries/ads.ts
+++ b/app/soapbox/queries/ads.ts
@@ -17,7 +17,19 @@ export default function useAds() {
     });
   };
 
-  return useQuery<Ad[]>(['ads'], getAds, {
+  const result = useQuery<Ad[]>(['ads'], getAds, {
     placeholderData: [],
   });
+
+  // Filter out expired ads.
+  const data = result.data?.filter(ad => {
+    const now = new Date();
+    const isExpired = ad.expires && (now.getTime() > ad.expires.getTime());
+    return !isExpired;
+  });
+
+  return {
+    ...result,
+    data,
+  };
 }