200 lines
9.8 KiB
Python
200 lines
9.8 KiB
Python
"""Tenant-scoped knowledge management routes."""
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from __future__ import annotations
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import json
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from contextlib import contextmanager
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from typing import Any, Literal
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import httpx
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from fastapi import Depends, HTTPException, Query, Request
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from fastapi.responses import StreamingResponse
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from pydantic import BaseModel, Field
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from archive_store import tenant_scope
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from knowledge_retriever import KnowledgeRetriever, VectorIndex
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from knowledge_store import KnowledgeStore
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class JobBody(BaseModel):
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source_account_id: str = Field(min_length=1, max_length=64)
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conversation_id: str = Field(default="", max_length=64)
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date_from: str = ""
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date_to: str = ""
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engine: Literal["rules", "model"] = "rules"
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max_messages: int = Field(default=10000, ge=1, le=1000000)
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max_model_calls: int = Field(default=100, ge=1, le=10000)
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staff_confirmed: bool = False
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auto_watch: bool = False
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class EditBody(BaseModel):
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revision: int = Field(ge=1)
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title: str = Field(min_length=1, max_length=160)
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question: str = Field(min_length=1, max_length=4000)
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answer: str = Field(min_length=1, max_length=8000)
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conditions: str = Field(min_length=1, max_length=2000)
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category: str = Field(default="", max_length=100)
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kind: Literal["qa", "procedure", "case"] = "qa"
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valid_until: str = ""
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class ActionBody(BaseModel):
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revision: int = Field(ge=1)
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confirmed: bool = False
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restore_revision: int = Field(default=0, ge=0)
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class SearchBody(BaseModel):
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query: str = Field(min_length=2, max_length=2000)
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class SettingsBody(BaseModel):
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enabled: bool
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@contextmanager
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def errors():
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try:
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yield
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except KeyError as exc:
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raise HTTPException(404, str(exc).strip("'")) from exc
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except ValueError as exc:
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raise HTTPException(400, str(exc)) from exc
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except httpx.HTTPError as exc:
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raise HTTPException(502, "知识索引服务连接失败，当前知识未发布，请检查服务配置后重试") from exc
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def register_knowledge_routes(app, database, require, client_ip, resolve_admin_tenant, current_desktop):
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store = KnowledgeStore(database)
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store.initialize()
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app.state.knowledge_store = store
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def single(principal, account_id):
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scope = resolve_admin_tenant(principal, account_id)
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if not isinstance(scope, str) or scope == "*":
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raise HTTPException(400, "请先选择具体的客户端账号")
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return scope
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@app.get("/api/v2/knowledge/overview")
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def overview(account_id: int | None = None, principal=Depends(require("knowledge:read"))):
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scope = resolve_admin_tenant(principal, account_id)
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ts = tenant_scope(scope)
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with database.connect() as db:
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accounts = [dict(r) for r in db.execute(
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f"SELECT id,tenant_id,display_name,external_account_id FROM archive_source_account WHERE {ts.clause()}", ts.params)]
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return {"counts": store.stats(scope), "source_accounts": accounts, "watches": store.watches(scope),
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"settings": store.settings(scope) if isinstance(scope, str) and scope != "*" else None,
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"semantic_configured": VectorIndex().configured}
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@app.put("/api/v2/knowledge/settings")
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def settings(body: SettingsBody, request: Request, account_id: int | None = None,
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principal=Depends(require("knowledge:publish"))):
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return store.set_enabled(single(principal, account_id), body.enabled, principal.id, client_ip(request))
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@app.put("/api/v2/knowledge/watch/{source_id}")
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def watch(source_id: str, body: SettingsBody, request: Request, account_id: int | None = None,
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principal=Depends(require("knowledge:write", "im:content:read"))):
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with errors():
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return store.set_watch(single(principal, account_id), source_id, body.enabled, principal.id, client_ip(request))
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@app.get("/api/v2/knowledge/jobs")
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def jobs(account_id: int | None = None, principal=Depends(require("knowledge:read"))):
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return {"items": store.jobs(resolve_admin_tenant(principal, account_id))}
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@app.post("/api/v2/knowledge/jobs")
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def create_job(body: JobBody, request: Request, account_id: int | None = None,
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principal=Depends(require("knowledge:write", "im:content:read"))):
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with errors():
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return store.create_job(single(principal, account_id), body.model_dump(), principal.id, client_ip(request))
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@app.post("/api/v2/knowledge/jobs/{job_id}/{action}")
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def job_action(job_id: str, action: str, request: Request, account_id: int | None = None,
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principal=Depends(require("knowledge:write"))):
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with errors():
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return store.job_action(single(principal, account_id), job_id, action, principal.id, client_ip(request))
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@app.get("/api/v2/knowledge/items")
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def items(account_id: int | None = None, status: str = "", query: str = "",
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page: int = Query(default=1, ge=1), page_size: int = Query(default=30, ge=1, le=100),
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principal=Depends(require("knowledge:read"))):
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return store.list_items(resolve_admin_tenant(principal, account_id), status, query, page, page_size)
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@app.get("/api/v2/knowledge/items/{item_id}")
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def detail(item_id: str, account_id: int | None = None, principal=Depends(require("knowledge:read"))):
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with errors():
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return store.detail(single(principal, account_id), item_id, sources="im:content:read" in principal.permissions)
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@app.put("/api/v2/knowledge/items/{item_id}")
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def edit(item_id: str, body: EditBody, request: Request, account_id: int | None = None,
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principal=Depends(require("knowledge:write", "im:content:read"))):
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with errors():
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return store.save(single(principal, account_id), item_id, body.model_dump(), principal.id, client_ip(request))
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@app.post("/api/v2/knowledge/items/{item_id}/{action}")
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def transition(item_id: str, action: str, body: ActionBody, request: Request,
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account_id: int | None = None, principal=Depends(require("knowledge:read"))):
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permission = "knowledge:publish" if action in {"publish", "disable"} else (
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"knowledge:write" if action == "restore" else "knowledge:review")
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if permission not in principal.permissions or "im:content:read" not in principal.permissions:
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raise HTTPException(403, "缺少知识操作或来源正文查看权限")
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tenant = single(principal, account_id)
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with errors():
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if action == "publish":
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return store.publish(tenant, item_id, body.revision, principal.id, client_ip(request))
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if action == "restore":
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with database.connect() as db:
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store._item(db, tenant, item_id)
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previous = db.execute("SELECT snapshot_json FROM knowledge_revision WHERE item_id=? AND revision=? "
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"ORDER BY created_at DESC LIMIT 1", (item_id, body.restore_revision)).fetchone()
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if previous is None:
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raise KeyError("历史版本不存在")
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values = json.loads(previous[0])
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values["revision"] = body.revision
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return store.save(tenant, item_id, values, principal.id, client_ip(request))
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return store.transition(tenant, item_id, body.revision, action, principal.id, client_ip(request), body.confirmed)
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@app.post("/api/v2/knowledge/search")
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def search(body: SearchBody, account_id: int | None = None, principal=Depends(require("knowledge:read"))):
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return KnowledgeRetriever(store).search(single(principal, account_id), body.query)
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@app.get("/api/v2/knowledge/retrievals")
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def retrievals(account_id: int | None = None, principal=Depends(require("knowledge:read", "stats:read"))):
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scope = tenant_scope(resolve_admin_tenant(principal, account_id))
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with database.connect() as db:
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rows = db.execute(f"SELECT * FROM knowledge_retrieval_log WHERE {scope.clause()} "
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"ORDER BY created_at DESC LIMIT 100", scope.params).fetchall()
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return {"items": [{**dict(r), "hits": json.loads(r["hits_json"])} for r in rows]}
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@app.get("/api/v2/knowledge/export")
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def export(request: Request, account_id: int | None = None,
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principal=Depends(require("knowledge:read", "knowledge:export"))):
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tenant = single(principal, account_id)
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with database.connect() as db:
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database._audit(db, principal.id, "knowledge.export", f"tenant={tenant}", client_ip(request))
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def stream():
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cursor = ""
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while True:
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with database.connect() as db:
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rows = db.execute("SELECT * FROM knowledge_item WHERE tenant_id=? AND status='published' AND id>? "
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"AND (valid_until='' OR valid_until>=?) ORDER BY id LIMIT 200",
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(tenant, cursor, KnowledgeRetriever._today())).fetchall()
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if not rows:
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return
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cursor = rows[-1]["id"]
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rows = [r for r in rows if store._fresh(db, r["id"], tenant)]
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for row in rows:
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yield json.dumps({"schema_version": "knowledge-v1", **{k: row[k] for k in
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("id", "revision", "title", "question", "answer", "conditions", "category", "kind", "valid_until")}},
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ensure_ascii=False) + "\n"
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return StreamingResponse(stream(), media_type="application/x-ndjson",
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headers={"Content-Disposition": 'attachment; filename="knowledge.jsonl"'})
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@app.get("/api/v2/knowledge/desktop/summary")
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def desktop_summary(account: Any = Depends(current_desktop)):
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tenant = str(account["tenant_id"])
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counts = store.stats(tenant)
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return {"published": counts.get("published", 0), "enabled": bool(store.settings(tenant)["enabled"])}
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return store
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