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