Files
assistant/agent/integrations/chatwoot.py
wangliang 6b6172d8f0 feat: 优化 FAQ 处理和系统稳定性
- 添加本地 FAQ 库快速路径(问候语等社交响应)
- 修复 Chatwoot 重启循环问题(PID 文件清理)
- 添加 LLM 响应缓存(Redis 缓存,提升性能)
- 添加智能推理模式(根据查询复杂度自动启用)
- 添加订单卡片消息功能(Chatwoot 富媒体)
- 增加 LLM 超时时间至 60 秒

Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>
2026-01-20 14:51:30 +08:00

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"""
Chatwoot API Client for B2B Shopping AI Assistant
"""
from typing import Any, Optional
from dataclasses import dataclass
from enum import Enum
import httpx
from config import settings
from utils.logger import get_logger
logger = get_logger(__name__)
class MessageType(str, Enum):
"""Chatwoot message types"""
INCOMING = "incoming"
OUTGOING = "outgoing"
class ConversationStatus(str, Enum):
"""Chatwoot conversation status"""
OPEN = "open"
RESOLVED = "resolved"
PENDING = "pending"
SNOOZED = "snoozed"
@dataclass
class ChatwootMessage:
"""Chatwoot message structure"""
id: int
content: str
message_type: str
conversation_id: int
sender_type: Optional[str] = None
sender_id: Optional[int] = None
private: bool = False
@dataclass
class ChatwootContact:
"""Chatwoot contact structure"""
id: int
name: Optional[str] = None
email: Optional[str] = None
phone_number: Optional[str] = None
custom_attributes: Optional[dict[str, Any]] = None
class ChatwootClient:
"""Chatwoot API Client"""
def __init__(
self,
api_url: Optional[str] = None,
api_token: Optional[str] = None,
account_id: int = 2
):
"""Initialize Chatwoot client
Args:
api_url: Chatwoot API URL, defaults to settings
api_token: API access token, defaults to settings
account_id: Chatwoot account ID
"""
self.api_url = (api_url or settings.chatwoot_api_url).rstrip("/")
self.api_token = api_token or settings.chatwoot_api_token
self.account_id = account_id
self._client: Optional[httpx.AsyncClient] = None
logger.info("Chatwoot client initialized", api_url=self.api_url)
async def _get_client(self) -> httpx.AsyncClient:
"""Get or create HTTP client"""
if self._client is None:
self._client = httpx.AsyncClient(
base_url=f"{self.api_url}/api/v1/accounts/{self.account_id}",
headers={
"api_access_token": self.api_token,
"Content-Type": "application/json"
},
timeout=30.0
)
return self._client
async def close(self) -> None:
"""Close HTTP client"""
if self._client:
await self._client.aclose()
self._client = None
# ============ Messages ============
async def send_message(
self,
conversation_id: int,
content: str,
message_type: MessageType = MessageType.OUTGOING,
private: bool = False
) -> dict[str, Any]:
"""Send a message to a conversation
Args:
conversation_id: Conversation ID
content: Message content
message_type: Message type (incoming/outgoing)
private: Whether message is private (internal note)
Returns:
Created message data
"""
client = await self._get_client()
payload = {
"content": content,
"message_type": message_type.value,
"private": private
}
response = await client.post(
f"/conversations/{conversation_id}/messages",
json=payload
)
response.raise_for_status()
data = response.json()
logger.debug(
"Message sent",
conversation_id=conversation_id,
message_id=data.get("id")
)
return data
async def send_rich_message(
self,
conversation_id: int,
content: str,
content_type: str,
content_attributes: dict[str, Any]
) -> dict[str, Any]:
"""Send a rich message (cards, buttons, etc.)
Args:
conversation_id: Conversation ID
content: Fallback text content
content_type: Rich content type (cards, input_select, etc.)
content_attributes: Rich content attributes
Returns:
Created message data
"""
client = await self._get_client()
payload = {
"content": content,
"message_type": MessageType.OUTGOING.value,
"content_type": content_type,
"content_attributes": content_attributes
}
response = await client.post(
f"/conversations/{conversation_id}/messages",
json=payload
)
response.raise_for_status()
return response.json()
async def send_order_card(
self,
conversation_id: int,
order_data: dict[str, Any],
actions: list[dict[str, Any]]
) -> dict[str, Any]:
"""发送订单卡片消息Markdown 文本 + 操作按钮)
Args:
conversation_id: 会话 ID
order_data: 订单数据,包含:
- order_id: 订单号
- status: 订单状态
- status_text: 状态文本
- created_at: 下单时间(可选)
- items: 商品列表(可选)
- total_amount: 总金额
- shipping_fee: 运费(可选)
- logistics: 物流信息(可选)
- remark: 备注(可选)
actions: 操作按钮配置列表,每个按钮包含:
- type: "link""postback"
- text: 按钮文字
- uri: 链接地址type=link 时必需)
- payload: 回传数据type=postback 时必需)
Returns:
发送结果
Example:
>>> order_data = {
... "order_id": "123456789",
... "status": "shipped",
... "status_text": "已发货",
... "total_amount": "1058.00",
... "items": [...]
... }
>>> actions = [
... {"type": "link", "text": "查看详情", "uri": "https://..."},
... {"type": "postback", "text": "联系客服", "payload": "CONTACT_SUPPORT"}
... ]
>>> await chatwoot.send_order_card(123, order_data, actions)
"""
# 生成 Markdown 内容
markdown_content = format_order_card_markdown(order_data)
# 生成按钮卡片
buttons = create_action_buttons(actions)
# 发送富媒体消息
return await self.send_rich_message(
conversation_id=conversation_id,
content=markdown_content,
content_type="cards",
content_attributes=buttons
)
# ============ Conversations ============
async def get_conversation(self, conversation_id: int) -> dict[str, Any]:
"""Get conversation details
Args:
conversation_id: Conversation ID
Returns:
Conversation data
"""
client = await self._get_client()
response = await client.get(f"/conversations/{conversation_id}")
response.raise_for_status()
return response.json()
async def update_conversation_status(
self,
conversation_id: int,
status: ConversationStatus
) -> dict[str, Any]:
"""Update conversation status
Args:
conversation_id: Conversation ID
status: New status
Returns:
Updated conversation data
"""
client = await self._get_client()
response = await client.post(
f"/conversations/{conversation_id}/toggle_status",
json={"status": status.value}
)
response.raise_for_status()
logger.info(
"Conversation status updated",
conversation_id=conversation_id,
status=status.value
)
return response.json()
async def add_labels(
self,
conversation_id: int,
labels: list[str]
) -> dict[str, Any]:
"""Add labels to a conversation
Args:
conversation_id: Conversation ID
labels: List of label names
Returns:
Updated labels
"""
client = await self._get_client()
response = await client.post(
f"/conversations/{conversation_id}/labels",
json={"labels": labels}
)
response.raise_for_status()
return response.json()
async def assign_agent(
self,
conversation_id: int,
agent_id: int
) -> dict[str, Any]:
"""Assign an agent to a conversation
Args:
conversation_id: Conversation ID
agent_id: Agent user ID
Returns:
Assignment result
"""
client = await self._get_client()
response = await client.post(
f"/conversations/{conversation_id}/assignments",
json={"assignee_id": agent_id}
)
response.raise_for_status()
logger.info(
"Agent assigned",
conversation_id=conversation_id,
agent_id=agent_id
)
return response.json()
# ============ Contacts ============
async def get_contact(self, contact_id: int) -> dict[str, Any]:
"""Get contact details
Args:
contact_id: Contact ID
Returns:
Contact data
"""
client = await self._get_client()
response = await client.get(f"/contacts/{contact_id}")
response.raise_for_status()
return response.json()
async def update_contact(
self,
contact_id: int,
attributes: dict[str, Any]
) -> dict[str, Any]:
"""Update contact attributes
Args:
contact_id: Contact ID
attributes: Attributes to update
Returns:
Updated contact data
"""
client = await self._get_client()
response = await client.put(
f"/contacts/{contact_id}",
json=attributes
)
response.raise_for_status()
return response.json()
# ============ Messages History ============
async def get_messages(
self,
conversation_id: int,
before: Optional[int] = None
) -> list[dict[str, Any]]:
"""Get conversation messages
Args:
conversation_id: Conversation ID
before: Get messages before this message ID
Returns:
List of messages
"""
client = await self._get_client()
params = {}
if before:
params["before"] = before
response = await client.get(
f"/conversations/{conversation_id}/messages",
params=params
)
response.raise_for_status()
data = response.json()
return data.get("payload", [])
# ============ Helper Functions ============
def format_order_card_markdown(order_data: dict[str, Any]) -> str:
"""格式化订单信息为 Markdown 卡片
Args:
order_data: 订单数据,包含订单号、状态、商品、金额、物流等信息
Returns:
格式化的 Markdown 字符串
Example:
>>> order = {
... "order_id": "123456789",
... "status": "shipped",
... "status_text": "已发货",
... "created_at": "2023-10-27 14:30",
... "items": [...],
... "total_amount": "1058.00",
... "shipping_fee": "0.00",
... "logistics": {...}
... }
>>> markdown = format_order_card_markdown(order)
"""
# 订单状态 emoji 映射
status_emoji = {
"pending": "",
"paid": "💰",
"processing": "⚙️",
"shipped": "📦",
"delivered": "",
"completed": "",
"cancelled": "",
"refunded": "💸",
"failed": "⚠️",
}
# 获取状态文本和 emoji
status = order_data.get("status", "unknown")
status_text = order_data.get("status_text", status)
emoji = status_emoji.get(status, "📦")
lines = [
f"{emoji} **订单状态:{status_text}**",
f"📝 **订单号:** `{order_data.get('order_id', '')}`",
]
# 添加下单时间(如果有)
if order_data.get("created_at"):
lines.append(f"📅 **下单时间:** {order_data['created_at']}")
lines.append("") # 空行
lines.append("**商品详情**")
# 添加商品列表
items = order_data.get("items", [])
if items:
for item in items:
name = item.get("name", "未知商品")
quantity = item.get("quantity", 1)
price = item.get("price", "0.00")
# 可选:添加图片链接
image_markdown = ""
if item.get("image_url"):
image_markdown = f" [图片]({item['image_url']})"
lines.append(f"▫️{image_markdown} {name} × {quantity} ¥{price}")
else:
lines.append("▫️ 无商品信息")
# 添加金额信息
lines.extend([
"",
f"💰 **实付:** ¥{order_data.get('total_amount', '0.00')} (含运费 ¥{order_data.get('shipping_fee', '0.00')})"
])
# 添加物流信息(如果有)
logistics = order_data.get("logistics")
if logistics:
lines.extend([
"",
"🚚 **物流信息**",
f"承运商:{logistics.get('carrier', '未知')}",
f"单号:{logistics.get('tracking_number', '未知')}",
"*点击单号可复制跟踪*"
])
# 添加备注(如果有)
if order_data.get("remark"):
lines.extend([
"",
f"📋 **备注:** {order_data['remark']}"
])
return "\n".join(lines)
def create_action_buttons(actions: list[dict[str, Any]]) -> dict[str, Any]:
"""创建 Chatwoot 操作按钮卡片
Args:
actions: 按钮配置列表,每个按钮包含:
- type: "link""postback"
- text: 按钮文字
- uri: 链接地址type=link 时)
- payload: 回传数据type=postback 时)
Returns:
符合 Chatwoot content_attributes 格式的字典
Example:
>>> actions = [
... {"type": "link", "text": "查看详情", "uri": "https://example.com"},
... {"type": "postback", "text": "联系客服", "payload": "CONTACT_SUPPORT"}
... ]
>>> buttons = create_action_buttons(actions)
"""
return {
"items": [{
"title": "操作",
"actions": actions
}]
}
# Global Chatwoot client instance
chatwoot_client: Optional[ChatwootClient] = None
def get_chatwoot_client() -> ChatwootClient:
"""Get or create global Chatwoot client instance"""
global chatwoot_client
if chatwoot_client is None:
chatwoot_client = ChatwootClient()
return chatwoot_client