⚗️ rewrite echo and say builtin plugin

nonebot/plugins/base.py

@@ -1,10 +1,34 @@
+from functools import reduce
+
 from nonebot.rule import to_me
 from nonebot.plugin import on_command
-from nonebot.typing import Bot, Event
+from nonebot.permission import SUPERUSER
+from nonebot.typing import Bot, Event, MessageSegment
 
-say = on_command("say", to_me())
+say = on_command("say", to_me(), permission=SUPERUSER)
 
 
 @say.handle()
-async def repeat(bot: Bot, event: Event, state: dict):
-    await bot.send(message=event.message, event=event)
+async def say_unescape(bot: Bot, event: Event, state: dict):
+    Message = event.message.__class__
+
+    def _unescape(message: Message, segment: MessageSegment):
+        if segment.type == "text":
+            return message.append(segment.data["text"])
+        return message.append(segment)
+
+    message = reduce(_unescape, event.message, Message())  # type: ignore
+    await bot.send(message=message, event=event)
+
+
+echo = on_command("echo", to_me())
+
+
+@echo.handle()
+async def echo_escape(bot: Bot, event: Event, state: dict):
+    Message = event.message.__class__
+    MessageSegment = event.message[0].__class__
+
+    message = Message().append(  # type: ignore
+        MessageSegment.text(str(event.message)))
+    await bot.send(message=message, event=event)