feat: add the cat command

src/main/kotlin/cn/rtast/fancybot/commands/lookup/TheCatCommand.kt

@@ -0,0 +1,33 @@
+/*
+ * Copyright © 2024 RTAkland
+ * Author: RTAkland
+ * Date: 2024/10/8
+ */
+
+
+package cn.rtast.fancybot.commands.lookup
+
+import cn.rtast.fancybot.entity.thecat.Cat
+import cn.rtast.fancybot.util.Http
+import cn.rtast.fancybot.util.str.encodeToBase64
+import cn.rtast.fancybot.util.str.fromArrayJson
+import cn.rtast.fancybot.util.str.proxy
+import cn.rtast.fancybot.util.toURL
+import cn.rtast.rob.entity.GroupMessage
+import cn.rtast.rob.util.BaseCommand
+import cn.rtast.rob.util.ob.MessageChain
+import cn.rtast.rob.util.ob.OneBotListener
+
+class TheCatCommand : BaseCommand() {
+    override val commandNames = listOf("随机猫咪", "随机猫猫")
+
+    private val theCatApiUrl = "https://api.thecatapi.com/v1/images/search"
+
+    override suspend fun executeGroup(listener: OneBotListener, message: GroupMessage, args: List<String>) {
+        val imageBase64= Http.get(theCatApiUrl)
+            .fromArrayJson<List<Cat>>().first().url
+            .proxy().toURL().readBytes().encodeToBase64()
+        val msg = MessageChain.Builder().addImage(imageBase64, true).build()
+        message.reply(msg)
+    }
+}