max first steps

adapter/max/converter.py

@@ -0,0 +1,88 @@
+"""MAX event to internal protocol converter."""
+from typing import Union, List
+from core.protocol import (
+    IncomingMessage,
+    IncomingCommand,
+    IncomingCallback,
+    Attachment,
+)
+
+
+def _extract_command(text: str) -> Union[IncomingCommand, IncomingCallback, None]:
+    if not text.startswith("!"):
+        return None
+
+    parts = text.strip().split(maxsplit=1)
+    cmd = parts[0].lower()
+    args = parts[1] if len(parts) > 1 else ""
+
+    if cmd == "!yes":
+        return IncomingCallback(
+            user_id="",
+            platform="max",
+            chat_id="",
+            action="confirm",
+        )
+    elif cmd == "!no":
+        return IncomingCallback(
+            user_id="",
+            platform="max",
+            chat_id="",
+            action="cancel",
+        )
+    else:
+        return IncomingCommand(
+            user_id="",
+            platform="max",
+            chat_id="",
+            command=cmd.lstrip("!"),
+            args=args.split() if args else [],
+        )
+
+
+def max_message_to_incoming(
+    *,
+    text: str,
+    user_id: str,
+    chat_id: str,
+    attachments: List[Attachment] = None,
+    callback_data: str = None,
+    message_id: str = None,
+) -> Union[IncomingMessage, IncomingCommand, IncomingCallback]:
+    if callback_data:
+        return IncomingCallback(
+            user_id=user_id,
+            platform="max",
+            chat_id=chat_id,
+            action=callback_data,
+            payload={"message_id": message_id} if message_id else {},
+        )
+
+    if text:
+        cmd = _extract_command(text)
+        if cmd is not None:
+            cmd.user_id = user_id
+            cmd.chat_id = chat_id
+            return cmd
+
+    return IncomingMessage(
+        user_id=user_id,
+        platform="max",
+        chat_id=chat_id,
+        text=text or "",
+        attachments=attachments or [],
+    )
+
+
+def max_attachment_to_internal(
+    *,
+    filename: str,
+    mime_type: str,
+    download_url: str,
+) -> Attachment:
+    return Attachment(
+        type="document",
+        url=download_url,
+        filename=filename,
+        mime_type=mime_type,
+    )