Better parse multiple imetas with multiple urls into appropriate properties

quartz/src/commonMain/kotlin/com/vitorpamplona/quartz/nip19Bech32/Nip19Parser.kt

@@ -89,10 +89,7 @@ object Nip19Parser {
         if (uri == null) return null
 
         try {
-            val matcher = nip19PlusNip46regex.find(uri)
-            if (matcher == null) {
-                return null
-            }
+            val matcher = nip19PlusNip46regex.find(uri) ?: return null
 
             val type = matcher.groups[3]?.value ?: matcher.groups[5]?.value // npub1
             val key = matcher.groups[4]?.value ?: matcher.groups[6]?.value // bech32

quartz/src/commonMain/kotlin/com/vitorpamplona/quartz/nip92IMeta/IMetaTag.kt

@@ -42,18 +42,14 @@ class IMetaTag(
         const val TAG_NAME = "imeta"
         const val ANCHOR_PROPERTY = "url"
 
-        fun parse(tag: Array<String>): IMetaTag? {
+        fun parse(tag: Array<String>): List<IMetaTag>? {
             ensure(tag.has(1)) { return null }
             ensure(tag[0] == TAG_NAME) { return null }
             ensure(tag[1].isNotEmpty()) { return null }
 
             val allTags = parseIMeta(tag)
-            val url = allTags[ANCHOR_PROPERTY]?.firstOrNull()
-
-            return if (url != null) {
-                IMetaTag(url, allTags.minus(ANCHOR_PROPERTY))
-            } else {
-                null
+            return allTags[ANCHOR_PROPERTY]?.map {
+                IMetaTag(it, allTags.minus(ANCHOR_PROPERTY))
             }
         }
 

quartz/src/commonMain/kotlin/com/vitorpamplona/quartz/nip92IMeta/TagArrayExt.kt

@@ -22,6 +22,6 @@ package com.vitorpamplona.quartz.nip92IMeta
 
 import com.vitorpamplona.quartz.nip01Core.core.TagArray
 
-fun TagArray.imetas() = this.mapNotNull(IMetaTag::parse)
+fun TagArray.imetas() = this.mapNotNull(IMetaTag::parse).flatten()
 
 fun TagArray.imetasByUrl() = this.imetas().associateBy { it.url }