Merge branch 'vitorpamplona:main' into profiles-list-management

quartz/src/main/java/com/vitorpamplona/quartz/experimental/publicMessages/PublicMessageEvent.kt

@@ -28,6 +28,7 @@ import com.vitorpamplona.quartz.nip01Core.core.any
 import com.vitorpamplona.quartz.nip01Core.hints.PubKeyHintProvider
 import com.vitorpamplona.quartz.nip01Core.signers.eventTemplate
 import com.vitorpamplona.quartz.nip10Notes.BaseNoteEvent
+import com.vitorpamplona.quartz.nip19Bech32.entities.NProfile
 import com.vitorpamplona.quartz.nip19Bech32.pubKeyHints
 import com.vitorpamplona.quartz.nip19Bech32.pubKeys
 import com.vitorpamplona.quartz.nip31Alts.alt
@@ -59,6 +60,19 @@ class PublicMessageEvent(
 
     fun groupKeySet() = tags.mapNotNullTo(mutableSetOf(this.pubKey), ReceiverTag::parseKey)
 
+    fun groupKeySetWithoutOwner() = tags.mapNotNullTo(mutableSetOf(), ReceiverTag::parseKey) - this.pubKey
+
+    fun groupAsNProfileList() =
+        tags
+            .mapNotNull(ReceiverTag::parse)
+            .joinToString {
+                "nostr:" + NProfile.create(it.pubKey, it.relayHint)
+            }
+
+    fun chatroomKey(user: HexKey) = groupKeySet() - user
+
+    fun peopleAndContent() = groupAsNProfileList() + " " + content
+
     companion object {
         const val KIND = 24
         const val ALT_DESCRIPTION = "Public Message"

quartz/src/main/java/com/vitorpamplona/quartz/nip19Bech32/entities/NProfile.kt

@@ -51,6 +51,19 @@ data class NProfile(
             return NProfile(hex, relay.mapNotNull { RelayUrlNormalizer.normalizeOrNull(it) })
         }
 
+        fun create(
+            authorPubKeyHex: String,
+            relay: NormalizedRelayUrl?,
+        ): String =
+            TlvBuilder()
+                .apply {
+                    addHex(TlvTypes.SPECIAL, authorPubKeyHex)
+                    if (relay != null) {
+                        addStringIfNotNull(TlvTypes.RELAY, relay.url)
+                    }
+                }.build()
+                .toNProfile()
+
         fun create(
             authorPubKeyHex: String,
             relays: List<NormalizedRelayUrl>,