Removes old follows in Contact lists.

amethyst/src/main/java/com/vitorpamplona/amethyst/model/nip02FollowLists/FollowListState.kt

@@ -124,9 +124,6 @@ class FollowListState(
         } else {
             ContactListEvent.createFromScratch(
                 followUsers = listOf(ContactTag(user.pubkeyHex, user.bestRelayHint(), null)),
-                followTags = emptyList(),
-                followGeohashes = emptyList(),
-                followCommunities = emptyList(),
                 relayUse = emptyMap(),
                 signer = signer,
                 onReady = onDone,

amethyst/src/main/java/com/vitorpamplona/amethyst/service/relayClient/reqCommand/user/UserObservers.kt

@@ -36,6 +36,7 @@ import com.vitorpamplona.amethyst.ui.screen.loggedIn.AccountViewModel
 import com.vitorpamplona.quartz.nip01Core.metadata.UserMetadata
 import com.vitorpamplona.quartz.nip01Core.relay.normalizer.NormalizedRelayUrl
 import com.vitorpamplona.quartz.nip17Dm.base.ChatroomKey
+import com.vitorpamplona.quartz.nip51Lists.interests.HashtagListEvent
 import kotlinx.collections.immutable.ImmutableList
 import kotlinx.collections.immutable.persistentListOf
 import kotlinx.coroutines.Dispatchers
@@ -45,6 +46,7 @@ import kotlinx.coroutines.flow.combine
 import kotlinx.coroutines.flow.distinctUntilChanged
 import kotlinx.coroutines.flow.flowOn
 import kotlinx.coroutines.flow.mapLatest
+import kotlinx.coroutines.flow.onStart
 import kotlinx.coroutines.flow.sample
 import java.math.BigDecimal
 
@@ -259,7 +261,7 @@ fun observeUserFollowCount(
 
 @OptIn(ExperimentalCoroutinesApi::class, FlowPreview::class)
 @Composable
-fun observeUserTagFollows(
+fun observeUserTagFollowCount(
     user: User,
     accountViewModel: AccountViewModel,
 ): State<Int> {
@@ -269,12 +271,15 @@ fun observeUserTagFollows(
     // Subscribe in the LocalCache for changes that arrive in the device
     val flow =
         remember(user) {
-            user
+            accountViewModel
+                .hashtagFollows(user)
                 .flow()
-                .follows.stateFlow
+                .metadata.stateFlow
                 .sample(1000)
-                .mapLatest { userState ->
+                .mapLatest { noteState ->
-                    userState.user.latestContactList?.countFollowTags() ?: 0
+                    (noteState.note.event as? HashtagListEvent)?.publicAndCachedPrivateHashtags()?.size ?: 0
+                }.onStart {
+                    emit((accountViewModel.hashtagFollows(user).event as? HashtagListEvent)?.publicAndCachedPrivateHashtags()?.size ?: 0)
                 }.distinctUntilChanged()
                 .flowOn(Dispatchers.Default)
         }
@@ -282,6 +287,34 @@ fun observeUserTagFollows(
     return flow.collectAsStateWithLifecycle(0)
 }
 
+@OptIn(ExperimentalCoroutinesApi::class, FlowPreview::class)
+@Composable
+fun observeUserTagFollows(
+    user: User,
+    accountViewModel: AccountViewModel,
+): State<List<String>> {
+    // Subscribe in the relay for changes in the metadata of this user.
+    UserFinderFilterAssemblerSubscription(user, accountViewModel)
+
+    // Subscribe in the LocalCache for changes that arrive in the device
+    val flow =
+        remember(user) {
+            accountViewModel
+                .hashtagFollows(user)
+                .flow()
+                .metadata.stateFlow
+                .sample(1000)
+                .mapLatest { noteState ->
+                    (noteState.note.event as? HashtagListEvent)?.publicAndCachedPrivateHashtags()?.sorted() ?: emptyList()
+                }.onStart {
+                    emit((accountViewModel.hashtagFollows(user).event as? HashtagListEvent)?.publicAndCachedPrivateHashtags()?.sorted() ?: emptyList())
+                }.distinctUntilChanged()
+                .flowOn(Dispatchers.Default)
+        }
+
+    return flow.collectAsStateWithLifecycle(emptyList())
+}
+
 @Composable
 fun observeUserBookmarks(
     user: User,

amethyst/src/main/java/com/vitorpamplona/amethyst/ui/screen/loggedIn/AccountViewModel.kt

@@ -113,6 +113,7 @@ import com.vitorpamplona.quartz.nip19Bech32.entities.NSec
 import com.vitorpamplona.quartz.nip37Drafts.DraftEvent
 import com.vitorpamplona.quartz.nip47WalletConnect.Response
 import com.vitorpamplona.quartz.nip51Lists.GeneralListEvent
+import com.vitorpamplona.quartz.nip51Lists.interests.HashtagListEvent
 import com.vitorpamplona.quartz.nip56Reports.ReportType
 import com.vitorpamplona.quartz.nip57Zaps.LnZapEvent
 import com.vitorpamplona.quartz.nip57Zaps.LnZapRequestEvent
@@ -719,10 +720,12 @@ class AccountViewModel(
         viewModelScope.launch(Dispatchers.IO) { account.addToGallery(hex, url, relay, blurhash, dim, hash, mimeType) }
     }
 
-    fun removefromMediaGallery(note: Note) {
+    fun removeFromMediaGallery(note: Note) {
         viewModelScope.launch(Dispatchers.IO) { account.removeFromGallery(note) }
     }
 
+    fun hashtagFollows(user: User): Note = LocalCache.getOrCreateAddressableNote(HashtagListEvent.createAddress(user.pubkeyHex))
+
     fun addPrivateBookmark(note: Note) {
         viewModelScope.launch(Dispatchers.IO) { account.addBookmark(note, true) }
     }

amethyst/src/main/java/com/vitorpamplona/amethyst/ui/screen/loggedIn/profile/datasource/FilterUserProfileLists.kt

@@ -27,6 +27,7 @@ import com.vitorpamplona.quartz.nip01Core.relay.normalizer.NormalizedRelayUrl
 import com.vitorpamplona.quartz.nip51Lists.BookmarkListEvent
 import com.vitorpamplona.quartz.nip51Lists.FollowListEvent
 import com.vitorpamplona.quartz.nip51Lists.PeopleListEvent
+import com.vitorpamplona.quartz.nip51Lists.interests.HashtagListEvent
 import com.vitorpamplona.quartz.nip89AppHandlers.recommendation.AppRecommendationEvent
 
 val UserProfileListKinds =
@@ -34,6 +35,7 @@ val UserProfileListKinds =
         BookmarkListEvent.KIND,
         PeopleListEvent.KIND,
         FollowListEvent.KIND,
+        HashtagListEvent.KIND,
         AppRecommendationEvent.KIND,
     )
 

amethyst/src/main/java/com/vitorpamplona/amethyst/ui/screen/loggedIn/profile/gallery/QuickActionGallery.kt

@@ -64,7 +64,7 @@ fun DeleteFromGalleryDialog(
         buttonIcon = Icons.Default.Delete,
         buttonText = stringRes(R.string.quick_action_delete_dialog_btn),
         onClickDoOnce = {
-            accountViewModel.removefromMediaGallery(note)
+            accountViewModel.removeFromMediaGallery(note)
             onDismiss()
         },
         onDismiss = onDismiss,

amethyst/src/main/java/com/vitorpamplona/amethyst/ui/screen/loggedIn/profile/hashtags/FollowedTagsTabHeader.kt

@@ -25,7 +25,7 @@ import androidx.compose.runtime.Composable
 import androidx.compose.runtime.getValue
 import com.vitorpamplona.amethyst.R
 import com.vitorpamplona.amethyst.model.User
-import com.vitorpamplona.amethyst.service.relayClient.reqCommand.user.observeUserTagFollows
+import com.vitorpamplona.amethyst.service.relayClient.reqCommand.user.observeUserTagFollowCount
 import com.vitorpamplona.amethyst.ui.screen.loggedIn.AccountViewModel
 import com.vitorpamplona.amethyst.ui.stringRes
 
@@ -34,7 +34,7 @@ fun FollowedTagsTabHeader(
     baseUser: User,
     accountViewModel: AccountViewModel,
 ) {
-    val usertags by observeUserTagFollows(baseUser, accountViewModel)
+    val usertags by observeUserTagFollowCount(baseUser, accountViewModel)
 
     Text(text = "$usertags ${stringRes(R.string.followed_tags)}")
 }

amethyst/src/main/java/com/vitorpamplona/amethyst/ui/screen/loggedIn/profile/hashtags/TabFollowedTags.kt

@@ -22,15 +22,17 @@ package com.vitorpamplona.amethyst.ui.screen.loggedIn.profile.hashtags
 
 import androidx.compose.foundation.layout.Column
 import androidx.compose.foundation.layout.fillMaxHeight
+import androidx.compose.foundation.layout.fillMaxSize
 import androidx.compose.foundation.layout.padding
 import androidx.compose.foundation.lazy.LazyColumn
 import androidx.compose.foundation.lazy.itemsIndexed
 import androidx.compose.material3.HorizontalDivider
 import androidx.compose.runtime.Composable
-import androidx.compose.runtime.remember
+import androidx.compose.runtime.getValue
 import androidx.compose.ui.Modifier
 import androidx.compose.ui.unit.dp
 import com.vitorpamplona.amethyst.model.User
+import com.vitorpamplona.amethyst.service.relayClient.reqCommand.user.observeUserTagFollows
 import com.vitorpamplona.amethyst.ui.navigation.INav
 import com.vitorpamplona.amethyst.ui.navigation.Route
 import com.vitorpamplona.amethyst.ui.screen.loggedIn.AccountViewModel
@@ -43,28 +45,23 @@ fun TabFollowedTags(
     accountViewModel: AccountViewModel,
     nav: INav,
 ) {
-    val items =
-        remember(baseUser.latestContactList?.id) {
-            baseUser.latestContactList?.unverifiedFollowTagSet()
-        }
-
     Column(
         Modifier
             .fillMaxHeight()
             .padding(vertical = 0.dp),
     ) {
-        items?.let {
+        val items by observeUserTagFollows(baseUser, accountViewModel)
-            LazyColumn {
+
-                itemsIndexed(items) { index, hashtag ->
+        LazyColumn(Modifier.fillMaxSize()) {
-                    HashtagHeader(
+            itemsIndexed(items) { index, hashtag ->
-                        tag = hashtag,
+                HashtagHeader(
-                        account = accountViewModel,
+                    tag = hashtag,
-                        onClick = { nav.nav(Route.Hashtag(hashtag)) },
+                    account = accountViewModel,
-                    )
+                    onClick = { nav.nav(Route.Hashtag(hashtag)) },
-                    HorizontalDivider(
+                )
-                        thickness = DividerThickness,
+                HorizontalDivider(
-                    )
+                    thickness = DividerThickness,
-                }
+                )
             }
         }
     }

quartz/src/main/java/com/vitorpamplona/quartz/nip02FollowList/ContactListEvent.kt

@@ -30,16 +30,11 @@ import com.vitorpamplona.quartz.nip01Core.relay.normalizer.RelayUrlNormalizer
 import com.vitorpamplona.quartz.nip01Core.signers.NostrSigner
 import com.vitorpamplona.quartz.nip01Core.signers.NostrSignerSync
 import com.vitorpamplona.quartz.nip01Core.tags.addressables.ATag
-import com.vitorpamplona.quartz.nip01Core.tags.addressables.isTaggedAddressableNote
 import com.vitorpamplona.quartz.nip01Core.tags.events.ETag.Companion.parseAsHint
-import com.vitorpamplona.quartz.nip01Core.tags.geohash.isTaggedGeoHash
-import com.vitorpamplona.quartz.nip01Core.tags.hashtags.countHashtags
 import com.vitorpamplona.quartz.nip01Core.tags.hashtags.hashtags
-import com.vitorpamplona.quartz.nip01Core.tags.hashtags.isTaggedHash
 import com.vitorpamplona.quartz.nip01Core.tags.people.PTag.Companion.parseAsHint
 import com.vitorpamplona.quartz.nip01Core.tags.people.PTag.Companion.parseKey
 import com.vitorpamplona.quartz.nip01Core.tags.people.isTaggedUser
-import com.vitorpamplona.quartz.nip02FollowList.tags.AddressFollowTag
 import com.vitorpamplona.quartz.nip02FollowList.tags.ContactTag
 import com.vitorpamplona.quartz.nip31Alts.AltTag
 import com.vitorpamplona.quartz.utils.TimeUtils
@@ -71,18 +66,16 @@ class ContactListEvent(
     /**
      * Returns a list of a-tags that are verified as correct.
      */
-    fun verifiedFollowAddressSet(): Set<HexKey> = tags.mapNotNullTo(HashSet(), AddressFollowTag::parseValidAddress)
+    @Deprecated("Use CommunityListEvent instead.")
+    fun verifiedFollowAddressSet(): Set<HexKey> = tags.mapNotNullTo(HashSet(), ATag::parseValidAddress)
 
     fun unverifiedFollowKeySet() = tags.mapNotNull(ContactTag::parseKey)
 
+    @Deprecated("Use HashtagListEvent instead.")
     fun unverifiedFollowTagSet() = tags.hashtags()
 
-    fun countFollowTags() = tags.countHashtags()
-
     fun follows() = tags.mapNotNull(ContactTag::parseValid)
 
-    fun followsTags() = hashtags()
-
     fun relays(): Map<NormalizedRelayUrl, ReadWrite>? {
         val regular = RelaySet.parse(content)
 
@@ -106,9 +99,6 @@ class ContactListEvent(
 
         fun createFromScratch(
             followUsers: List<ContactTag> = emptyList(),
-            followTags: List<String> = emptyList(),
-            followGeohashes: List<String> = emptyList(),
-            followCommunities: List<ATag> = emptyList(),
             relayUse: Map<String, ReadWrite>? = emptyMap(),
             signer: NostrSignerSync,
             createdAt: Long = TimeUtils.now(),
@@ -117,19 +107,13 @@ class ContactListEvent(
 
             val tags =
                 listOf(AltTag.assemble(ALT)) +
-                    followUsers.map { it.toTagArray() } +
+                    followUsers.map { it.toTagArray() }
-                    followTags.map { arrayOf("t", it) } +
-                    followCommunities.map { it.toATagArray() } +
-                    followGeohashes.map { arrayOf("g", it) }
 
             return signer.sign(createdAt, KIND, tags.toTypedArray(), content)
         }
 
         fun createFromScratch(
             followUsers: List<ContactTag>,
-            followTags: List<String>,
-            followGeohashes: List<String>,
-            followCommunities: List<ATag>,
             relayUse: Map<String, ReadWrite>?,
             signer: NostrSigner,
             createdAt: Long = TimeUtils.now(),
@@ -137,12 +121,7 @@ class ContactListEvent(
         ) {
             val content = relayUse?.let { RelaySet.assemble(it) } ?: ""
 
-            val tags =
+            val tags = followUsers.map { it.toTagArray() }
-                followUsers.map { it.toTagArray() } +
-                    followTags.map { arrayOf("t", it) } +
-                    followCommunities.map { it.toATagArray() } +
-                    followGeohashes.map { arrayOf("g", it) }
-
             return create(
                 content = content,
                 tags = tags.toTypedArray(),
@@ -188,118 +167,6 @@ class ContactListEvent(
             )
         }
 
-        fun followHashtag(
-            earlierVersion: ContactListEvent,
-            hashtag: String,
-            signer: NostrSigner,
-            createdAt: Long = TimeUtils.now(),
-            onReady: (ContactListEvent) -> Unit,
-        ) {
-            if (earlierVersion.isTaggedHash(hashtag)) return
-
-            return create(
-                content = earlierVersion.content,
-                tags = earlierVersion.tags.plus(element = arrayOf("t", hashtag)),
-                signer = signer,
-                createdAt = createdAt,
-                onReady = onReady,
-            )
-        }
-
-        fun unfollowHashtag(
-            earlierVersion: ContactListEvent,
-            hashtag: String,
-            signer: NostrSigner,
-            createdAt: Long = TimeUtils.now(),
-            onReady: (ContactListEvent) -> Unit,
-        ) {
-            if (!earlierVersion.isTaggedHash(hashtag)) return
-
-            return create(
-                content = earlierVersion.content,
-                tags =
-                    earlierVersion.tags.filter { it.size > 1 && !it[1].equals(hashtag, true) }.toTypedArray(),
-                signer = signer,
-                createdAt = createdAt,
-                onReady = onReady,
-            )
-        }
-
-        fun followGeohash(
-            earlierVersion: ContactListEvent,
-            hashtag: String,
-            signer: NostrSigner,
-            createdAt: Long = TimeUtils.now(),
-            onReady: (ContactListEvent) -> Unit,
-        ) {
-            if (earlierVersion.isTaggedGeoHash(hashtag)) return
-
-            return create(
-                content = earlierVersion.content,
-                tags = earlierVersion.tags.plus(element = arrayOf("g", hashtag)),
-                signer = signer,
-                createdAt = createdAt,
-                onReady = onReady,
-            )
-        }
-
-        fun unfollowGeohash(
-            earlierVersion: ContactListEvent,
-            hashtag: String,
-            signer: NostrSigner,
-            createdAt: Long = TimeUtils.now(),
-            onReady: (ContactListEvent) -> Unit,
-        ) {
-            if (!earlierVersion.isTaggedGeoHash(hashtag)) return
-
-            return create(
-                content = earlierVersion.content,
-                tags = earlierVersion.tags.filter { it.size > 1 && it[1] != hashtag }.toTypedArray(),
-                signer = signer,
-                createdAt = createdAt,
-                onReady = onReady,
-            )
-        }
-
-        fun followAddressableEvent(
-            earlierVersion: ContactListEvent,
-            aTag: ATag,
-            signer: NostrSigner,
-            createdAt: Long = TimeUtils.now(),
-            onReady: (ContactListEvent) -> Unit,
-        ) {
-            if (earlierVersion.isTaggedAddressableNote(aTag.toTag())) return
-
-            return create(
-                content = earlierVersion.content,
-                tags =
-                    earlierVersion.tags.plus(
-                        element = aTag.toATagArray(),
-                    ),
-                signer = signer,
-                createdAt = createdAt,
-                onReady = onReady,
-            )
-        }
-
-        fun unfollowAddressableEvent(
-            earlierVersion: ContactListEvent,
-            aTag: ATag,
-            signer: NostrSigner,
-            createdAt: Long = TimeUtils.now(),
-            onReady: (ContactListEvent) -> Unit,
-        ) {
-            if (!earlierVersion.isTaggedAddressableNote(aTag.toTag())) return
-
-            return create(
-                content = earlierVersion.content,
-                tags = earlierVersion.tags.filter { it.size > 1 && it[1] != aTag.toTag() }.toTypedArray(),
-                signer = signer,
-                createdAt = createdAt,
-                onReady = onReady,
-            )
-        }
-
         fun updateRelayList(
             earlierVersion: ContactListEvent,
             relayUse: Map<String, ReadWrite>?,

quartz/src/main/java/com/vitorpamplona/quartz/nip02FollowList/tags/AddressFollowTag.kt

@@ -1,25 +0,0 @@
-/**
- * Copyright (c) 2025 Vitor Pamplona
- *
- * Permission is hereby granted, free of charge, to any person obtaining a copy of
- * this software and associated documentation files (the "Software"), to deal in
- * the Software without restriction, including without limitation the rights to use,
- * copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the
- * Software, and to permit persons to whom the Software is furnished to do so,
- * subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included in all
- * copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
- * FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
- * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
- * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
- * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
- */
-package com.vitorpamplona.quartz.nip02FollowList.tags
-
-import com.vitorpamplona.quartz.nip01Core.tags.addressables.ATag
-
-typealias AddressFollowTag = ATag