track at which timestamp we cached events

nostr-dev-kit · Sep 24, 2024 · a800a71 · a800a71
1 parent 98ca0f0
commit a800a71
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Showing 3 changed files with 8 additions and 2 deletions.
diff --git a/ndk-cache-dexie/src/db.ts b/ndk-cache-dexie/src/db.ts
@@ -3,6 +3,7 @@ import Dexie, { type Table } from "dexie";
 
 export interface Profile extends NDKUserProfile {
     pubkey: string;
+    cachedAt: number;
 }
 
 export interface Event {

diff --git a/ndk-cache-dexie/src/index.ts b/ndk-cache-dexie/src/index.ts
@@ -181,7 +181,8 @@ export default class NDKCacheAdapterDexie implements NDKCacheAdapter {
         if (existingValue?.created_at && profile.created_at && existingValue.created_at >= profile.created_at) {
             return;
         }
-        this.profiles.set(pubkey, { pubkey, ...profile });
+        const cachedAt = Math.floor(Date.now() / 1000);
+        this.profiles.set(pubkey, { pubkey, ...profile, cachedAt });
         this.debug("Saved profile for pubkey", pubkey, profile);
     }
 

diff --git a/ndk/src/cache/index.ts b/ndk/src/cache/index.ts
@@ -5,6 +5,10 @@ import type { Hexpubkey, ProfilePointer } from "../user/index.js";
 import type { NDKUserProfile } from "../user/profile.js";
 import type { NDKLnUrlData } from "../zapper/ln.js";
 
+export type NDKCacheEntry<T> = T & {
+    cachedAt?: number;
+};
+
 export interface NDKCacheAdapter {
     /**
      * Whether this cache adapter is expected to be fast.
@@ -31,7 +35,7 @@ export interface NDKCacheAdapter {
     /**
      * Special purpose
      */
-    fetchProfile?(pubkey: Hexpubkey): Promise<NDKUserProfile | null>;
+    fetchProfile?(pubkey: Hexpubkey): Promise<NDKCacheEntry<NDKUserProfile> | null>;
     saveProfile?(pubkey: Hexpubkey, profile: NDKUserProfile): void;
 
     /**