Separates Typed Relay class from a SimpleRelay class to prepare to move to Quartz

quartz/src/main/java/com/vitorpamplona/quartz/nip23LongContent/LongTextNoteEvent.kt

@@ -25,6 +25,7 @@ import com.vitorpamplona.quartz.nip01Core.HexKey
 import com.vitorpamplona.quartz.nip01Core.core.AddressableEvent
 import com.vitorpamplona.quartz.nip01Core.signers.NostrSigner
 import com.vitorpamplona.quartz.nip01Core.tags.addressables.ATag
+import com.vitorpamplona.quartz.nip01Core.tags.addressables.dTag
 import com.vitorpamplona.quartz.nip01Core.tags.hashtags.hashtags
 import com.vitorpamplona.quartz.nip10Notes.BaseTextNoteEvent
 import com.vitorpamplona.quartz.utils.TimeUtils
@@ -39,7 +40,7 @@ class LongTextNoteEvent(
     sig: HexKey,
 ) : BaseTextNoteEvent(id, pubKey, createdAt, KIND, tags, content, sig),
     AddressableEvent {
-    override fun dTag() = tags.firstOrNull { it.size > 1 && it[0] == "d" }?.get(1) ?: ""
+    override fun dTag() = tags.dTag()
 
     override fun address(relayHint: String?) = ATag(kind, pubKey, dTag(), relayHint)
 

quartz/src/main/java/com/vitorpamplona/quartz/utils/IterableExt.kt

@@ -0,0 +1,48 @@
+/**
+ * Copyright (c) 2024 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.utils
+
+fun <T> Iterable<T>.joinToStringLimited(
+    separator: CharSequence,
+    prefix: CharSequence,
+    postfix: CharSequence,
+    limit: Int,
+    transform: ((T) -> CharSequence)?,
+): String {
+    val buffer = StringBuilder()
+    buffer.append(prefix)
+    var count = 0
+    for (element in this) {
+        if (limit < 0 || count <= limit) {
+            if (++count > 1) buffer.append(separator)
+            when {
+                transform != null -> buffer.append(transform(element))
+                element is CharSequence? -> buffer.append(element)
+                element is Char -> buffer.append(element)
+                else -> buffer.append(element.toString())
+            }
+        } else {
+            break
+        }
+    }
+    buffer.append(postfix)
+    return buffer.toString()
+}