feat: add get avatar command

src/main/kotlin/cn/rtast/fancybot/FancyBot.kt

@@ -7,6 +7,7 @@
 
 package cn.rtast.fancybot
 
+import cn.rtast.fancybot.commands.misc.JueCommand
 import cn.rtast.fancybot.commands.misc.PastebinCommand
 import cn.rtast.fancybot.commands.misc.ReactionCommand
 import cn.rtast.fancybot.commands.misc.ScanQRCodeCommand
@@ -18,12 +19,18 @@ import cn.rtast.fancybot.entity.nailong.NaiLongDetectPayload
 import cn.rtast.fancybot.entity.nailong.NaiLongDetectResponse
 import cn.rtast.fancybot.enums.WSType
 import cn.rtast.fancybot.util.*
+import cn.rtast.fancybot.util.misc.ImageBed
 import cn.rtast.fancybot.util.misc.convertToDate
 import cn.rtast.fancybot.util.misc.initBackgroundTasks
 import cn.rtast.fancybot.util.misc.initCommand
 import cn.rtast.fancybot.util.misc.initFilesDir
 import cn.rtast.fancybot.util.misc.initItems
 import cn.rtast.fancybot.util.misc.initSetuIndex
+import cn.rtast.fancybot.util.misc.toBufferedImage
+import cn.rtast.fancybot.util.misc.toByteArray
+import cn.rtast.fancybot.util.misc.toGrayscale
+import cn.rtast.fancybot.util.misc.toURL
+import cn.rtast.fancybot.util.str.encodeToBase64
 import cn.rtast.fancybot.util.str.toJson
 import cn.rtast.rob.ROneBotFactory
 import cn.rtast.rob.entity.*
@@ -87,6 +94,26 @@ class FancyBot : OneBotListener {
             calculateResult?.let { message.reply(calculateResult) }
         }
 
+        if (message.message.any { it.type == ArrayMessageType.at }) {
+            if (message.text.contains("/取头像")) {
+                val target = message.message.find { it.type == ArrayMessageType.at }?.data?.qq!!
+                val avatar = JueCommand.AVATAR_REPLACE_URL.replace("#{}", target)
+                val msg = MessageChain.Builder()
+                if (message.text.contains("黑白")) {
+                    val greyscale = avatar.toURL()
+                        .readBytes().toBufferedImage()
+                        .toGrayscale().toByteArray()
+                    val greyscaleShortLink = ImageBed.upload(greyscale).makeShortLink()
+                    msg.addImage(greyscale.encodeToBase64(), true)
+                        .addText(greyscaleShortLink)
+                } else {
+                    val shortLink = avatar.makeShortLink()
+                    msg.addImage(avatar).addText(shortLink)
+                }
+                message.reply(msg.build())
+            }
+        }
+
         if (message.message.any { it.type == ArrayMessageType.reply }) {
             val command = message.message.reversed().find { it.type == ArrayMessageType.text }!!.data.text!!
             val replyId = message.message.find { it.type == ArrayMessageType.reply }!!.data.id!!

src/main/kotlin/cn/rtast/fancybot/commands/misc/JueCommand.kt

@@ -26,12 +26,14 @@ import java.net.URI
 class JueCommand : BaseCommand() {
     override val commandNames = listOf("撅")
 
-    private val avatarUrl = "https://q1.qlogo.cn/g?b=qq&nk=#{}&s=640"
+    companion object {
+        const val AVATAR_REPLACE_URL = "https://q1.qlogo.cn/g?b=qq&nk=#{}&s=640"
+    }
 
     private fun createJueGIF(source: String, target: String): String {
         val baseGIF = Resources.loadFromResources("misc/jue.gif")
-        val sourceAvatar = URI(avatarUrl.replace("#{}", source)).toURL().readBytes().toBufferedImage()
-        val targetAvatar = URI(avatarUrl.replace("#{}", target)).toURL().readBytes().toBufferedImage()
+        val sourceAvatar = URI(AVATAR_REPLACE_URL.replace("#{}", source)).toURL().readBytes().toBufferedImage()
+        val targetAvatar = URI(AVATAR_REPLACE_URL.replace("#{}", target)).toURL().readBytes().toBufferedImage()
         val decoder = GifDecoder()
         decoder.read(baseGIF)
         val frames = mutableListOf<BufferedImage>()

src/main/kotlin/cn/rtast/fancybot/commands/reply/SpeedUpGIFCommand.kt

@@ -12,6 +12,7 @@ import cn.rtast.fancybot.commands.parse.AsciiArtCommand
 import cn.rtast.fancybot.util.misc.ImageBed
 import cn.rtast.fancybot.util.misc.makeGif
 import cn.rtast.fancybot.util.misc.toURL
+import cn.rtast.fancybot.util.str.encodeToBase64
 import cn.rtast.rob.entity.GetMessage
 import cn.rtast.rob.entity.GroupMessage
 import cn.rtast.rob.util.ob.MessageChain
@@ -27,7 +28,10 @@ object SpeedUpGIFCommand {
         val gifBase64 = decoder.makeGif(frames, multiply)
         val imgBedUrl = ImageBed.upload(gifBase64)
         val shortLink = imgBedUrl.makeShortLink()
-        val msg = MessageChain.Builder().addImage(imgBedUrl).addText(shortLink).build()
+        val msg = MessageChain.Builder()
+            .addImage(gifBase64.encodeToBase64(), true)
+            .addText(shortLink)
+            .build()
         message.reply(msg)
     }
 }