refactor: 完成会话管理相关指令

pkg/qqbot/cmds/session/next.py

@@ -0,0 +1,28 @@
+from ..mgr import AbstractCommandNode, Context
+import datetime
+
+
+@AbstractCommandNode.register(
+    parent=None,
+    name="next",
+    description="切换后一次对话",
+    usage="!next",
+    aliases=[],
+    privilege=1
+)
+class NextCommand(AbstractCommandNode):
+    @classmethod
+    def process(cls, ctx: Context) -> tuple[bool, list]:
+        import pkg.openai.session
+        session_name = ctx.session_name
+        reply = []
+
+        result = pkg.openai.session.get_session(session_name).next_session()
+        if result is None:
+            reply = ["[bot]没有后一次的对话"]
+        else:
+            datetime_str = datetime.datetime.fromtimestamp(result.create_timestamp).strftime(
+                '%Y-%m-%d %H:%M:%S')
+            reply = ["[bot]已切换到后一次的对话：\n创建时间:{}\n".format(datetime_str)]
+
+        return True, reply