Better filter for People Lists

amethyst/src/main/java/com/vitorpamplona/amethyst/model/LargeSoftCacheAddressExt.kt

@@ -45,6 +45,28 @@ fun kindEnd(kind: Int) = kindEnd(kind, END_KEY)
 
 val ACCEPT_ALL_FILTER = CacheCollectors.BiFilter<Address, AddressableNote> { key, note -> true }
 
+fun LargeSoftCache<Address, AddressableNote>.filter(
+    kind: Int,
+    consumer: CacheCollectors.BiFilter<Address, AddressableNote> = ACCEPT_ALL_FILTER,
+): List<AddressableNote> = filter(kindStart(kind), kindEnd(kind), consumer)
+
+fun LargeSoftCache<Address, AddressableNote>.filter(
+    kinds: List<Int>,
+    consumer: CacheCollectors.BiFilter<Address, AddressableNote> = ACCEPT_ALL_FILTER,
+): List<AddressableNote> {
+    val set = mutableSetOf<AddressableNote>()
+    kinds.forEach {
+        set.addAll(filter(kindStart(it), kindEnd(it), consumer))
+    }
+    return set.toList()
+}
+
+fun LargeSoftCache<Address, AddressableNote>.filter(
+    kind: Int,
+    pubKey: HexKey,
+    consumer: CacheCollectors.BiFilter<Address, AddressableNote> = ACCEPT_ALL_FILTER,
+): List<AddressableNote> = filter(kindStart(kind, pubKey), kindEnd(kind, pubKey), consumer)
+
 fun LargeSoftCache<Address, AddressableNote>.filterIntoSet(
     kind: Int,
     consumer: CacheCollectors.BiFilter<Address, AddressableNote> = ACCEPT_ALL_FILTER,

amethyst/src/main/java/com/vitorpamplona/amethyst/model/LocalCache.kt

@@ -2126,18 +2126,7 @@ object LocalCache : ILocalCache {
         }
     }
 
-    fun getFollowSetNotesFor(user: User): List<AddressableNote> {
+    fun getPeopleListNotesFor(user: User): List<AddressableNote> = addressables.filter(PeopleListEvent.KIND, user.pubkeyHex)
-        checkNotInMainThread()
-
-        return addressables
-            .filter { _, note ->
-                val listEvent = note.event
-                (
-                    listEvent is PeopleListEvent &&
-                        user.pubkeyHex == listEvent.pubKey
-                )
-            }
-    }
 
     fun findStatusesForUser(user: User): ImmutableList<AddressableNote> {
         checkNotInMainThread()

amethyst/src/main/java/com/vitorpamplona/amethyst/model/nip51Lists/followSets/FollowSetState.kt

@@ -47,7 +47,7 @@ class FollowSetState(
 
     suspend fun getFollowSetNotes() =
         withContext(Dispatchers.IO) {
-            val followSetNotes = LocalCache.getFollowSetNotesFor(user)
+            val followSetNotes = cache.getPeopleListNotesFor(user)
             return@withContext followSetNotes
         }