ForcePilot/backend/package/yuxi/channel/extensions/intercom/dedupe.py
Kris 2ddcf1cc55 feat(channel): 添加 Intercom 渠道扩展
新增 Intercom 渠道扩展,支持在 Yuxi 平台中集成 Intercom 客服渠道。

包含以下功能模块:
- client: Intercom API 客户端封装
- config: 渠道配置管理
- gateway: SSE/WebSocket 网关接入
- webhook: Webhook 事件处理
- streaming: 流式消息处理
- format: 消息格式转换
- outbound: 外发消息管理
- handoff: 转人工会话切换
- pairing: 用户配对与绑定
- security: 安全签名校验
- dedupe: 消息去重
- monitor: 渠道状态监控
- status: 会话状态管理
- session_guard: 会话防护
- types: 类型定义
2026-05-21 11:01:49 +08:00

63 lines
1.8 KiB
Python

import time
import logging
from yuxi.channel.extensions.intercom.constants import (
INTERCOM_DEDUPE_TTL_SECONDS,
INTERCOM_DEDUPE_MAX_SIZE,
)
logger = logging.getLogger(__name__)
class DedupeCache:
def __init__(self, ttl_seconds: int = INTERCOM_DEDUPE_TTL_SECONDS, max_size: int = INTERCOM_DEDUPE_MAX_SIZE):
self._ttl = ttl_seconds
self._max_size = max_size
self._cache: dict[str, float] = {}
def is_duplicate(self, event_id: str) -> bool:
if not event_id:
return False
now = time.monotonic()
if event_id in self._cache:
if now - self._cache[event_id] < self._ttl:
return True
self._cache[event_id] = now
self._evict_expired(now)
return False
def check_duplicate(self, event_id: str) -> bool:
if not event_id:
return False
now = time.monotonic()
if event_id in self._cache:
if now - self._cache[event_id] < self._ttl:
return True
return False
def mark_seen(self, event_id: str) -> None:
if not event_id:
return
self._cache[event_id] = time.monotonic()
self._evict_expired(time.monotonic())
def reset(self) -> None:
self._cache.clear()
def _evict_expired(self, now: float) -> None:
if len(self._cache) <= self._max_size:
expired = [k for k, v in self._cache.items() if now - v >= self._ttl]
for k in expired:
del self._cache[k]
if len(self._cache) > self._max_size:
sorted_keys = sorted(self._cache, key=self._cache.get)
for k in sorted_keys[: len(self._cache) - self._max_size]:
del self._cache[k]
def clear(self) -> None:
self._cache.clear()