feat: support kotlinc command

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

@@ -128,7 +128,8 @@ val commands = listOf(
     RemakeCommand(), PixivCommand(),
     RUACommand(), NslookupCommand(),
     NiuziSignCommand(), MyNiuziCommand(),
-    JiJianCommand(), LikeMeCommand()
+    JiJianCommand(), LikeMeCommand(),
+    KotlinCCommand()
 )
 
 suspend fun main() {

src/main/kotlin/cn/rtast/fancybot/commands/KotlinCCommand.kt

@@ -0,0 +1,45 @@
+/*
+ * Copyright © 2024 RTAkland
+ * Author: RTAkland
+ * Date: 2024/9/12
+ */
+
+
+package cn.rtast.fancybot.commands
+
+import cn.rtast.fancybot.entity.kcs.KCSPayload
+import cn.rtast.fancybot.entity.kcs.KCSResponse
+import cn.rtast.fancybot.util.Http
+import cn.rtast.fancybot.util.str.toJson
+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.OBMessage
+
+class KotlinCCommand : BaseCommand() {
+    override val commandNames = listOf("/kotlinc", "/ktc")
+
+    private val kotlinCompilerServer = "https://api.kotlinlang.org/api/2.0.20/compiler/run"
+
+    override suspend fun executeGroup(listener: OBMessage, message: GroupMessage, args: List<String>) {
+        if (args.isEmpty()) {
+            val msg = MessageChain.Builder()
+                .addAt(message.sender.userId)
+                .addText("使用`/ktc` <code>传入Kotlin代码即可执行~")
+                .build()
+            listener.sendGroupMessage(message.groupId, msg)
+            return
+        }
+        val code = args.joinToString(" ")
+        val response = Http.post<KCSResponse>(
+            kotlinCompilerServer, jsonBody = KCSPayload(listOf(KCSPayload.File(code))).toJson()
+        )
+        val msg = MessageChain.Builder()
+            .addAt(message.sender.userId)
+            .addText("执行结果如下:")
+            .addNewLine()
+            .addText(response.text.replace("</outStream>", "").replace("<outStream>", ""))
+            .build()
+        listener.sendGroupMessage(message.groupId, msg)
+    }
+}

src/main/kotlin/cn/rtast/fancybot/entity/kcs/KCSPayload.kt

@@ -0,0 +1,20 @@
+/*
+ * Copyright © 2024 RTAkland
+ * Author: RTAkland
+ * Date: 2024/9/12
+ */
+
+
+package cn.rtast.fancybot.entity.kcs
+
+data class KCSPayload(
+    val files: List<File>,
+    val args: String = "",
+    val confType: String = "java"
+) {
+    data class File(
+        val text: String,
+        val name: String = "File.kt",
+        val publicId: String = ""
+    )
+}

src/main/kotlin/cn/rtast/fancybot/entity/kcs/KCSResponse.kt

@@ -0,0 +1,22 @@
+/*
+ * Copyright © 2024 RTAkland
+ * Author: RTAkland
+ * Date: 2024/9/12
+ */
+
+
+package cn.rtast.fancybot.entity.kcs
+
+import com.google.gson.annotations.SerializedName
+
+data class KCSResponse(
+    val errors: Errors,
+    val exception: Any,
+    val jvmByteCode: Any,
+    val text: String
+) {
+    data class Errors(
+        @SerializedName("File.kt")
+        val file: List<Any>
+    )
+}