feat: support get multi image get

src/main/kotlin/cn/rtast/fancybot/commands/parse/ImageURLCommand.kt

@@ -7,33 +7,52 @@
 
 package cn.rtast.fancybot.commands.parse
 
+import cn.rtast.fancybot.commands.misc.ShortLinkCommand.Companion.makeShortLink
+import cn.rtast.fancybot.configManager
 import cn.rtast.rob.entity.GetMessage
 import cn.rtast.rob.entity.GroupMessage
 import cn.rtast.rob.enums.ArrayMessageType
+import cn.rtast.rob.util.ob.MessageChain
+import cn.rtast.rob.util.ob.asNode
 
 object ImageURLCommand {
 
-    fun getImageUrl(message: GetMessage.Data): String? {
+    fun getImageUrl(message: GetMessage.Data): List<String> {
         try {
-            val image = message.message.find { it.type == ArrayMessageType.image }
-            val url = if (image == null) {
-                val gif = message.message.find { it.type == ArrayMessageType.mface }!!
-                gif.data.url!!
-            } else {
-                image.data.file!!
+            val images = mutableListOf<String>()
+            message.message.forEach {
+                if (it.type == ArrayMessageType.image) images.add(it.data.url!!)
+                if (it.type == ArrayMessageType.mface) images.add(it.data.file!!)
             }
-            return url
+            return images
         } catch (_: NullPointerException) {
-            return null
+            return emptyList()
         }
     }
 
     suspend fun callback(groupMessage: GroupMessage, message: GetMessage.Data) {
-        val url = getImageUrl(message)
-        if (url == null) {
+        val images = getImageUrl(message)
+        if (images.isEmpty()) {
             groupMessage.reply("这个消息里没有图片呢!")
         } else {
-            groupMessage.reply(url)
+            if (images.size == 1) {
+                val msg = MessageChain.Builder()
+                    .addText(images.first().makeShortLink())
+                    .addNewLine(2)
+                    .addText(images.first())
+                    .build()
+                groupMessage.reply(msg)
+            } else {
+                val messages = mutableListOf<MessageChain>()
+                images.forEach {
+                    val msg = MessageChain.Builder()
+                        .addText(it)
+                        .addNewLine(2)
+                        .build()
+                    messages.add(msg)
+                }
+                groupMessage.reply(messages.asNode(configManager.selfId))
+            }
         }
     }
 }