feat: 初始化 B2B AI Shopping Assistant 项目

- 配置 Docker Compose 多服务编排
- 实现 Chatwoot + Agent 集成
- 配置 Strapi MCP 知识库
- 支持 7 种语言的 FAQ 系统
- 实现 LangGraph AI 工作流

Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>
This commit is contained in:
wl
2026-01-14 19:25:22 +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 = 1
):
"""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()
# ============ 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", [])
# 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