Files
beaver_project/app-instance/backend/beaver/interfaces/channels/memory.py

116 lines
3.5 KiB
Python

"""In-memory channel adapter for tests and local gateway embedding."""
from __future__ import annotations
from typing import Any
from beaver.foundation.events import ChannelIdentity, InboundMessage, OutboundMessage
from beaver.interfaces.channels.base import ChannelInboundSink
class MemoryChannelAdapter:
"""A local channel that stores outbound messages in memory."""
def __init__(
self,
inbound_sink: ChannelInboundSink,
*,
channel_id: str = "memory-dev",
kind: str = "memory",
mode: str = "webhook",
account_id: str = "memory",
) -> None:
self.channel_id = channel_id
self.kind = kind
self.mode = mode
self.account_id = account_id
self.inbound_sink = inbound_sink
self.started = False
self.sent_messages: list[OutboundMessage] = []
async def start(self) -> None:
self.started = True
async def stop(self) -> None:
self.started = False
async def send(self, message: OutboundMessage) -> None:
self.sent_messages.append(message)
async def publish_text(
self,
content: str,
*,
session_id: str | None = None,
user_id: str | None = None,
title: str | None = None,
execution_context: str | None = None,
model: str | None = None,
provider_name: str | None = None,
embedding_model: str | None = None,
peer_id: str = "default",
thread_id: str | None = None,
message_id: str | None = None,
metadata: dict[str, Any] | None = None,
) -> InboundMessage:
"""Publish a text message from this channel into the shared bus."""
identity = ChannelIdentity(
channel_id=self.channel_id,
kind=self.kind,
account_id=self.account_id,
peer_id=peer_id,
thread_id=thread_id,
user_id=user_id,
message_id=message_id,
)
message = InboundMessage(
channel=self.channel_id,
content=content,
session_id=session_id,
user_id=user_id,
title=title,
execution_context=execution_context,
model=model,
provider_name=provider_name,
embedding_model=embedding_model,
channel_identity=identity,
metadata=metadata or {},
)
await self.inbound_sink.accept_inbound(message)
return message
async def publish_external_text(
self,
content: str,
*,
chat_id: str,
message_id: str | None = None,
thread_id: str | None = None,
raw_payload: dict[str, Any] | None = None,
user_id: str | None = None,
title: str | None = None,
) -> InboundMessage:
"""Publish an old-style channel payload through the new adapter contract.
Real platform adapters should keep platform-specific fields here, build
a stable Beaver session_id, and pass the normalized InboundMessage to
the shared gateway bus.
"""
metadata = {
"chat_id": chat_id,
"message_id": message_id,
"thread_id": thread_id,
"raw_channel_payload": raw_payload or {},
}
return await self.publish_text(
content,
user_id=user_id,
title=title,
peer_id=chat_id,
thread_id=thread_id,
message_id=message_id,
metadata=metadata,
)