feat: add annotation to add command description

src/main/kotlin/cn/rtast/fancybot/commands/niuzi/NiuziRedeemCommand.kt

@@ -0,0 +1,88 @@
+/*
+ * Copyright © 2024 RTAkland
+ * Author: RTAkland
+ * Date: 2024/9/3
+ */
+
+
+package cn.rtast.fancybot.commands.niuzi
+
+import cn.rtast.fancybot.annotations.CommandDescription
+import cn.rtast.fancybot.itemManager
+import cn.rtast.fancybot.niuziManager
+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
+
+@CommandDescription("使用牛子长度兑换物品")
+class NiuziRedeemCommand : BaseCommand() {
+    override val commandNames = listOf("/redeem", "/兑换", "/rdm")
+
+    override suspend fun executeGroup(listener: OneBotListener, message: GroupMessage, args: List<String>) {
+        if (args.isEmpty()) {
+            val msg = MessageChain.Builder()
+                .addAt(message.sender.userId)
+                .addText("发送 /rdm <物品名称> 即可兑换哦!")
+                .addNewLine()
+                .addText("发送 /rdm list 即可查看所有可兑换的物品~")
+                .addNewLine()
+                .addText("发送 `我的牛子` 可以查看自己的牛子长度~")
+                .build()
+            listener.sendGroupMessage(message.groupId, msg)
+            return
+        }
+        val status = niuziManager.getUser(message.sender.userId)
+        if (status == null) {
+            val msg = MessageChain.Builder()
+                .addAt(message.sender.userId)
+                .addText("你还没有签到过呢要签到一次才能兑换哦~")
+                .build()
+            listener.sendGroupMessage(message.groupId, msg)
+            return
+        }
+        val item = args.first()
+        if (item == "list" || item == "列表") {
+            val priceTable =
+                itemManager.items.joinToString("\n") { "[${it.itemNames.joinToString("|")}]:${it.itemPrice}积分" }
+            val msg = MessageChain.Builder()
+                .addAt(message.sender.userId)
+                .addNewLine()
+                .addText(priceTable)
+                .build()
+            listener.sendGroupMessage(message.groupId, msg)
+            return
+        }
+        val selectedItem = itemManager.items.find { it.itemNames.any { any -> any == item } }
+        if (selectedItem == null) {
+            val msg = MessageChain.Builder()
+                .addAt(message.sender.userId)
+                .addText("没有找到你想兑换的东西呢")
+                .addNewLine()
+                .addText("你可以发送 /rdm list来查看所有可兑换的物品")
+                .build()
+            listener.sendGroupMessage(message.groupId, msg)
+            return
+        }
+        val selectedItemPrice = selectedItem.itemPrice
+        if (selectedItemPrice > status.length) {
+            val msg = MessageChain.Builder()
+                .addAt(message.sender.userId)
+                .addText("你的牛子长度不够兑换这个物品呢~")
+                .addNewLine()
+                .addText("你有: ${status.length}cm, 兑换需要: $selectedItemPrice cm~\"")
+                .build()
+            listener.sendGroupMessage(message.groupId, msg)
+            return
+        }
+        val afterStatus = niuziManager.redeemItem(message.sender.userId, selectedItemPrice)?.length!!
+        val msg = MessageChain.Builder()
+            .addAt(message.sender.userId)
+            .addText("兑换成功正在发送奖品中~")
+            .addNewLine()
+            .addText("你花费了${selectedItemPrice}cm来兑换奖品, 还剩${afterStatus}cm")
+            .build()
+        listener.sendGroupMessage(message.groupId, msg)
+        selectedItem.redeemGroup(listener, message, afterStatus)
+    }
+}