feat: add gaokao days remain command

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

@@ -0,0 +1,30 @@
+/*
+ * Copyright © 2024 RTAkland
+ * Author: RTAkland
+ * Date: 2024/10/9
+ */
+
+
+package cn.rtast.fancybot.commands.misc
+
+import cn.rtast.fancybot.annotations.CommandDescription
+import cn.rtast.rob.entity.GroupMessage
+import cn.rtast.rob.util.BaseCommand
+import cn.rtast.rob.util.ob.OneBotListener
+import java.time.LocalDate
+import java.time.temporal.ChronoUnit
+
+@CommandDescription("高考倒计时")
+class GaoKaoDaysRemainCommand : BaseCommand() {
+    override val commandNames = listOf("高考倒计时")
+
+    override suspend fun executeGroup(listener: OneBotListener, message: GroupMessage, args: List<String>) {
+        val gaoKaoDate = LocalDate.of(LocalDate.now().year, 6, 7)
+        val currentDate = LocalDate.now()
+        val adjustedGaoKaoDate = if (currentDate.isAfter(gaoKaoDate)) {
+            gaoKaoDate.plusYears(1)
+        } else gaoKaoDate
+        val daysBetween = ChronoUnit.DAYS.between(currentDate, adjustedGaoKaoDate)
+        message.reply("高考倒计时: ${daysBetween}天")
+    }
+}