mirror of
http://88.130.71.182:3000/BlitTech/contexta_be.git
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92d4c2fc5e
- Add new routers: admin, appointments, campaigns - Add storage service and logging config - Add migrations directory and test suite with pytest config - Add supabase_migration_features.sql - Update models, dependencies, config, and existing routers - Remove whatsapp_service (deleted) - Update pyproject.toml and uv.lock dependencies Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
294 lines
11 KiB
Python
294 lines
11 KiB
Python
import uuid
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import logging
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from fastapi import APIRouter, Depends, HTTPException, Query, Request
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from pydantic import BaseModel
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from typing import Optional
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from app.config import settings, PLAN_LIMITS
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from app.database import get_supabase
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from app.dependencies import get_current_user
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from app.services.rag import rag_engine
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from app.services.telegram_service import (
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delete_webhook, get_bot_info, send_message as tg_send, set_webhook,
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)
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from app.routers.chat import (
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_get_conversation_history, _get_or_create_conversation, _save_message,
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)
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logger = logging.getLogger(__name__)
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router = APIRouter(prefix="/channels", tags=["Channels"])
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webhook_router = APIRouter(prefix="/webhooks", tags=["Webhooks"])
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# ── Request models ────────────────────────────────────────────────────────────
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class TelegramConnectRequest(BaseModel):
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chatbot_id: str
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bot_token: str
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# ── Helpers ───────────────────────────────────────────────────────────────────
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def _verify_chatbot_ownership(chatbot_id: str, user_id: str, supabase):
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company = supabase.table("companies").select("id").eq("owner_id", user_id).execute()
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if not company.data:
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raise HTTPException(status_code=404, detail="Company not found")
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chatbot = (
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supabase.table("chatbots").select("id")
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.eq("id", chatbot_id)
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.eq("company_id", company.data[0]["id"])
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.execute()
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)
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if not chatbot.data:
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raise HTTPException(status_code=404, detail="Chatbot not found")
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def _get_or_create_channel_session(
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chatbot_id: str, channel: str, external_id: str, supabase
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) -> dict:
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existing = (
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supabase.table("channel_sessions")
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.select("*").eq("channel", channel).eq("external_id", external_id).execute()
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)
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if existing.data:
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return existing.data[0]
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row = {
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"id": str(uuid.uuid4()),
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"chatbot_id": chatbot_id,
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"channel": channel,
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"external_id": external_id,
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"session_id": str(uuid.uuid4()),
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}
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result = supabase.table("channel_sessions").insert(row).execute()
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return result.data[0]
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def _check_channel_plan(user_id: str, channel: str, supabase):
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"""Raise 402 if the user's plan doesn't include the requested channel."""
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sub = supabase.table("subscriptions").select("plan").eq("user_id", user_id).eq("status", "active").execute()
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plan = sub.data[0]["plan"] if sub.data else "free"
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allowed = PLAN_LIMITS.get(plan, PLAN_LIMITS["free"]).get("channels", [])
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if channel not in allowed:
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label = {"telegram": "Starter"}.get(channel, "a higher")
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raise HTTPException(status_code=402, detail=f"{channel.title()} channel requires {label} plan or higher")
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def _check_chatbot_channel_subscription(chatbot_id: str, channel: str, supabase) -> bool:
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"""Return False (drop message) if the chatbot owner's plan no longer includes this channel."""
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chatbot = supabase.table("chatbots").select("company_id").eq("id", chatbot_id).execute()
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if not chatbot.data:
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return False
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company = supabase.table("companies").select("owner_id").eq("id", chatbot.data[0]["company_id"]).execute()
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if not company.data:
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return False
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owner_id = company.data[0]["owner_id"]
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sub = supabase.table("subscriptions").select("plan, status").eq("user_id", owner_id).execute()
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if not sub.data:
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return False
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row = sub.data[0]
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if row.get("status") != "active":
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return False
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allowed = PLAN_LIMITS.get(row.get("plan", "free"), PLAN_LIMITS["free"]).get("channels", [])
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return channel in allowed
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def _detect_language(text: str) -> str:
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"""Simple script-based language detection for channel messages."""
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sample = text[:200]
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total = sum(1 for c in sample if not c.isspace())
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if total == 0:
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return "en"
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scores = {
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"ar": sum(1 for c in sample if "\u0600" <= c <= "\u06FF") / total,
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"zh": sum(1 for c in sample if "\u4E00" <= c <= "\u9FFF") / total,
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"ja": sum(1 for c in sample if "\u3040" <= c <= "\u30FF") / total,
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"he": sum(1 for c in sample if "\u0590" <= c <= "\u05FF") / total,
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"ru": sum(1 for c in sample if "\u0400" <= c <= "\u04FF") / total,
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"fr": 0.0, "es": 0.0, # Latin-based — can't detect from scripts alone
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}
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best = max(scores, key=scores.get)
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return best if scores[best] > 0.25 else "en"
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# ── CRUD endpoints ────────────────────────────────────────────────────────────
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@router.get("")
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async def list_channels(chatbot_id: str = Query(...), user=Depends(get_current_user)):
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supabase = get_supabase()
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_verify_chatbot_ownership(chatbot_id, user.id, supabase)
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result = (
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supabase.table("channel_connections")
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.select("id,channel,bot_username,is_active,created_at")
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.eq("chatbot_id", chatbot_id)
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.execute()
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)
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return result.data or []
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@router.post("/telegram")
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async def connect_telegram(data: TelegramConnectRequest, user=Depends(get_current_user)):
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supabase = get_supabase()
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_verify_chatbot_ownership(data.chatbot_id, user.id, supabase)
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_check_channel_plan(user.id, "telegram", supabase)
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bot_info = await get_bot_info(data.bot_token)
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if not bot_info:
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raise HTTPException(
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status_code=400,
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detail="Invalid bot token. Check your token from @BotFather.",
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)
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if not settings.api_url:
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raise HTTPException(status_code=500, detail="API_URL not configured on the server")
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webhook_url = f"{settings.api_url.rstrip('/')}/api/v1/webhooks/telegram/{data.bot_token}"
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ok = await set_webhook(data.bot_token, webhook_url)
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if not ok:
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raise HTTPException(status_code=500, detail="Failed to register webhook with Telegram")
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existing = (
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supabase.table("channel_connections")
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.select("id").eq("chatbot_id", data.chatbot_id).eq("channel", "telegram").execute()
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)
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conn_data = {
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"chatbot_id": data.chatbot_id,
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"channel": "telegram",
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"bot_token": data.bot_token,
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"bot_username": bot_info.get("username", ""),
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"is_active": True,
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}
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if existing.data:
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supabase.table("channel_connections").update(conn_data).eq("id", existing.data[0]["id"]).execute()
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else:
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conn_data["id"] = str(uuid.uuid4())
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supabase.table("channel_connections").insert(conn_data).execute()
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username = bot_info.get("username", "")
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return {
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"success": True,
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"bot_username": username,
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"bot_link": f"https://t.me/{username}",
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}
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@router.delete("/{connection_id}")
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async def disconnect_channel(connection_id: str, user=Depends(get_current_user)):
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supabase = get_supabase()
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conn = supabase.table("channel_connections").select("*").eq("id", connection_id).execute()
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if not conn.data:
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raise HTTPException(status_code=404, detail="Connection not found")
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c = conn.data[0]
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_verify_chatbot_ownership(c["chatbot_id"], user.id, supabase)
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if c["channel"] == "telegram" and c.get("bot_token"):
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try:
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await delete_webhook(c["bot_token"])
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except Exception:
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pass
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supabase.table("channel_connections").delete().eq("id", connection_id).execute()
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return {"success": True}
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# ── Telegram webhook ──────────────────────────────────────────────────────────
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@webhook_router.post("/telegram/{bot_token}")
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async def telegram_webhook(bot_token: str, request: Request):
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try:
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body = await request.json()
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except Exception:
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return {"ok": True}
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message = body.get("message") or body.get("edited_message")
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if not message or "text" not in message:
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return {"ok": True}
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chat_id = message["chat"]["id"]
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text = message["text"].strip()
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supabase = get_supabase()
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conn = (
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supabase.table("channel_connections")
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.select("*").eq("channel", "telegram").eq("bot_token", bot_token).eq("is_active", True).execute()
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)
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if not conn.data:
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return {"ok": True}
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chatbot_id = conn.data[0]["chatbot_id"]
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# Check subscription still allows Telegram
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if not _check_chatbot_channel_subscription(chatbot_id, "telegram", supabase):
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await tg_send(bot_token, chat_id, "This service is currently unavailable. Please contact the business directly.")
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return {"ok": True}
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chatbot_result = (
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supabase.table("chatbots").select("*, companies(name, logo_url)").eq("id", chatbot_id).execute()
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)
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if not chatbot_result.data:
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return {"ok": True}
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chatbot = chatbot_result.data[0]
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if not chatbot.get("is_published"):
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await tg_send(bot_token, chat_id, "This chatbot is not yet published.")
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return {"ok": True}
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collection_name = chatbot.get("qdrant_collection_name")
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if not collection_name:
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await tg_send(bot_token, chat_id, "This chatbot has no knowledge base configured yet.")
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return {"ok": True}
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if text.startswith("/start"):
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welcome = chatbot.get("welcome_message") or f"Hello! I'm {chatbot.get('name', 'your assistant')}. How can I help you?"
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await tg_send(bot_token, chat_id, welcome)
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return {"ok": True}
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# Use first 8 chars of token as namespace to avoid collisions between bots
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external_id = f"tg:{bot_token[:8]}:{chat_id}"
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session = _get_or_create_channel_session(chatbot_id, "telegram", external_id, supabase)
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detected_lang = _detect_language(text)
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company_data = chatbot.get("companies", {}) or {}
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conversation = _get_or_create_conversation(
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chatbot_id=chatbot_id,
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session_id=session["session_id"],
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user_id=None,
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language=detected_lang,
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supabase=supabase,
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)
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history = _get_conversation_history(conversation["id"], supabase)
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chatbot_config = {**chatbot, "company_name": company_data.get("name", "")}
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try:
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result = await rag_engine.process_query(
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query=text,
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collection_name=collection_name,
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chatbot_config=chatbot_config,
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conversation_history=history,
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language=detected_lang,
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)
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except Exception as e:
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logger.error(f"Telegram RAG error for chatbot {chatbot_id}: {e}")
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await tg_send(bot_token, chat_id, "Sorry, I encountered an error. Please try again.")
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return {"ok": True}
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confidence_score = max((s.score for s in result.get("sources", [])), default=0.0)
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_save_message(conversation["id"], "user", text, supabase)
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_save_message(
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conversation["id"], "assistant", result["response"], supabase,
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sources=[s.model_dump() for s in result.get("sources", [])],
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model=result.get("model", ""),
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confidence_score=confidence_score,
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)
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supabase.table("conversations").update(
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{"message_count": len(history) + 2}
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).eq("id", conversation["id"]).execute()
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supabase.table("channel_sessions").update({"last_active": "now()"}).eq("id", session["id"]).execute()
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await tg_send(bot_token, chat_id, result["response"])
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return {"ok": True}
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