Removes NIP-04 DMs with hidden words from the Notification screen

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

@@ -205,6 +205,7 @@ import com.vitorpamplona.quartz.nip98HttpAuth.HTTPAuthorizationEvent
 import com.vitorpamplona.quartz.nipA0VoiceMessages.VoiceEvent
 import com.vitorpamplona.quartz.nipA0VoiceMessages.VoiceReplyEvent
 import com.vitorpamplona.quartz.utils.Log
+import com.vitorpamplona.quartz.utils.containsAny
 import kotlinx.coroutines.CoroutineScope
 import kotlinx.coroutines.DelicateCoroutinesApi
 import kotlinx.coroutines.Dispatchers
@@ -1677,6 +1678,16 @@ class Account(
             note.countReportAuthorsBy(followingKeySet()) < 5 // if it has 5 reports by reliable users
     }
 
+    fun isDecryptedContentHidden(noteEvent: PrivateDmEvent): Boolean =
+        if (hiddenUsers.flow.value.hiddenWordsCase
+                .isNotEmpty()
+        ) {
+            val decrypted = privateDMDecryptionCache.cachedDM(noteEvent)
+            decrypted?.containsAny(hiddenUsers.flow.value.hiddenWordsCase) == true
+        } else {
+            false
+        }
+
     fun isFollowing(user: User): Boolean = user.pubkeyHex in followingKeySet()
 
     fun isFollowing(user: HexKey): Boolean = user in followingKeySet()

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

@@ -42,6 +42,7 @@ import com.vitorpamplona.quartz.nip01Core.tags.events.ETag
 import com.vitorpamplona.quartz.nip01Core.tags.events.EventReference
 import com.vitorpamplona.quartz.nip01Core.tags.hashtags.anyHashTag
 import com.vitorpamplona.quartz.nip01Core.tags.publishedAt.PublishedAtProvider
+import com.vitorpamplona.quartz.nip04Dm.messages.PrivateDmEvent
 import com.vitorpamplona.quartz.nip10Notes.BaseThreadedEvent
 import com.vitorpamplona.quartz.nip10Notes.tags.MarkedETag
 import com.vitorpamplona.quartz.nip18Reposts.GenericRepostEvent

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

@@ -106,6 +106,7 @@ import com.vitorpamplona.quartz.nip01Core.signers.SignerExceptions
 import com.vitorpamplona.quartz.nip01Core.tags.people.PubKeyReferenceTag
 import com.vitorpamplona.quartz.nip01Core.tags.people.isTaggedUser
 import com.vitorpamplona.quartz.nip03Timestamp.EmptyOtsResolverBuilder
+import com.vitorpamplona.quartz.nip04Dm.messages.PrivateDmEvent
 import com.vitorpamplona.quartz.nip17Dm.base.ChatroomKeyable
 import com.vitorpamplona.quartz.nip18Reposts.GenericRepostEvent
 import com.vitorpamplona.quartz.nip18Reposts.RepostEvent
@@ -137,6 +138,7 @@ import com.vitorpamplona.quartz.nipA0VoiceMessages.VoiceEvent
 import com.vitorpamplona.quartz.utils.Hex
 import com.vitorpamplona.quartz.utils.Log
 import com.vitorpamplona.quartz.utils.TimeUtils
+import com.vitorpamplona.quartz.utils.containsAny
 import com.vitorpamplona.quartz.utils.mapNotNullAsync
 import kotlinx.collections.immutable.ImmutableList
 import kotlinx.collections.immutable.ImmutableSet
@@ -348,7 +350,10 @@ class AccountViewModel(
         val isPostHidden = note.isHiddenFor(accountChoices)
         val isHiddenAuthor = note.author?.let { account.isHidden(it) } == true
 
-        return if (isPostHidden) {
+        val noteEvent = note.event
+        val isDecryptedPostHidden = if (noteEvent is PrivateDmEvent) account.isDecryptedContentHidden(noteEvent) else false
+
+        return if (isPostHidden || isDecryptedPostHidden) {
             // Spam + Blocked Users + Hidden Words + Sensitive Content
             NoteComposeReportState(isPostHidden, false, false, isHiddenAuthor)
         } else if (isFromLoggedIn || isFromLoggedInFollow) {

amethyst/src/main/java/com/vitorpamplona/amethyst/ui/screen/loggedIn/notifications/dal/NotificationFeedFilter.kt

@@ -34,8 +34,10 @@ import com.vitorpamplona.quartz.experimental.forks.isForkFromAddressWithPubkey
 import com.vitorpamplona.quartz.nip01Core.core.AddressableEvent
 import com.vitorpamplona.quartz.nip01Core.core.HexKey
 import com.vitorpamplona.quartz.nip01Core.tags.people.isTaggedUser
+import com.vitorpamplona.quartz.nip04Dm.messages.PrivateDmEvent
 import com.vitorpamplona.quartz.nip10Notes.BaseThreadedEvent
 import com.vitorpamplona.quartz.nip10Notes.TextNoteEvent
+import com.vitorpamplona.quartz.nip17Dm.messages.ChatMessageEvent
 import com.vitorpamplona.quartz.nip18Reposts.GenericRepostEvent
 import com.vitorpamplona.quartz.nip18Reposts.RepostEvent
 import com.vitorpamplona.quartz.nip22Comments.CommentEvent
@@ -67,6 +69,7 @@ import com.vitorpamplona.quartz.nip90Dvms.NIP90ContentDiscoveryRequestEvent
 import com.vitorpamplona.quartz.nip90Dvms.NIP90ContentDiscoveryResponseEvent
 import com.vitorpamplona.quartz.nip90Dvms.NIP90StatusEvent
 import com.vitorpamplona.quartz.nip99Classifieds.ClassifiedsEvent
+import com.vitorpamplona.quartz.utils.containsAny
 
 class NotificationFeedFilter(
     val account: Account,
@@ -148,22 +151,23 @@ class NotificationFeedFilter(
                 }
             }
 
-        return it.event !is ChannelCreateEvent &&
-            it.event !is ChannelMetadataEvent &&
-            it.event !is LnZapRequestEvent &&
-            it.event !is BadgeDefinitionEvent &&
-            it.event !is BadgeProfilesEvent &&
-            it.event !is NIP90ContentDiscoveryResponseEvent &&
-            it.event !is NIP90StatusEvent &&
-            it.event !is NIP90ContentDiscoveryRequestEvent &&
-            it.event !is GiftWrapEvent &&
-            it.event !is PrivateTagArrayEvent &&
-            it.event !is LnZapPaymentRequestEvent &&
-            it.event !is LnZapPaymentResponseEvent &&
-            (it.event is LnZapEvent || notifAuthor != loggedInUserHex) &&
+        return noteEvent !is ChannelCreateEvent &&
+            noteEvent !is ChannelMetadataEvent &&
+            noteEvent !is LnZapRequestEvent &&
+            noteEvent !is BadgeDefinitionEvent &&
+            noteEvent !is BadgeProfilesEvent &&
+            noteEvent !is NIP90ContentDiscoveryResponseEvent &&
+            noteEvent !is NIP90StatusEvent &&
+            noteEvent !is NIP90ContentDiscoveryRequestEvent &&
+            noteEvent !is GiftWrapEvent &&
+            noteEvent !is PrivateTagArrayEvent &&
+            noteEvent !is LnZapPaymentRequestEvent &&
+            noteEvent !is LnZapPaymentResponseEvent &&
+            (noteEvent is LnZapEvent || notifAuthor != loggedInUserHex) &&
             (filterParams.isGlobal(it.relays) || notifAuthor == null || filterParams.isAuthorInFollows(notifAuthor)) &&
-            it.event?.isTaggedUser(loggedInUserHex) ?: false &&
+            noteEvent?.isTaggedUser(loggedInUserHex) ?: false &&
             (filterParams.isHiddenList || notifAuthor == null || !account.isHidden(notifAuthor)) &&
+            (noteEvent !is PrivateDmEvent || !account.isDecryptedContentHidden(noteEvent)) &&
             tagsAnEventByUser(it, loggedInUserHex)
     }