Silos/backend/app/services/document_service.py
2026-10-08 02:44:15 +05:30

256 lines
7.5 KiB
Python

import re
import uuid
from datetime import UTC, datetime
from typing import Any, Literal
from motor.motor_asyncio import AsyncIOMotorDatabase
from pymongo import ReturnDocument
from app.schemas.document import CreateType, DocumentCreate, DocumentUpdate, MemberRole
COLLECTION = "documents"
SortField = Literal["updated_at", "last_visited_at"]
async def ensure_indexes(db: AsyncIOMotorDatabase) -> None:
col = db[COLLECTION]
await col.create_index([("owner_id", 1), ("updated_at", -1)])
await col.create_index([("owner_id", 1), ("last_visited_at", -1)])
await col.create_index([("owner_id", 1), ("stead_id", 1)])
await col.create_index([("owner_id", 1), ("type", 1)])
await col.create_index([("owner_id", 1), ("starred", 1)])
await col.create_index([("members.user_id", 1)])
await col.create_index([("title", "text"), ("created_by", "text")])
def _serialize(doc: dict[str, Any]) -> dict[str, Any]:
return {
"id": doc["_id"],
"type": doc["type"],
"title": doc["title"],
"template_id": doc.get("template_id"),
"stead_id": doc.get("stead_id"),
"content": doc.get("content", {}),
"created_by": doc["created_by"],
"created_at": doc["created_at"],
"updated_at": doc["updated_at"],
"starred": doc.get("starred", False),
"last_visited_at": doc.get("last_visited_at"),
"owner_id": doc.get("owner_id"),
"visibility": doc.get("visibility", "private"),
"members": doc.get("members", []),
}
def access_query(user_id: int) -> dict[str, Any]:
return {"$or": [{"owner_id": user_id}, {"members.user_id": user_id}]}
def can_edit(doc: dict[str, Any], user_id: int) -> bool:
if doc.get("owner_id") == user_id:
return True
for member in doc.get("members", []):
if member.get("user_id") == user_id and member.get("role") == "editor":
return True
return False
async def create_document(
db: AsyncIOMotorDatabase,
owner_id: int,
created_by: str,
data: DocumentCreate,
) -> dict[str, Any]:
now = datetime.now(UTC)
doc_id = str(uuid.uuid4())
doc = {
"_id": doc_id,
"owner_id": owner_id,
"type": data.type,
"title": data.title,
"template_id": data.template_id,
"stead_id": data.stead_id,
"content": data.content,
"created_by": created_by,
"created_at": now,
"updated_at": now,
"starred": False,
"last_visited_at": now,
"visibility": "private",
"members": [],
}
await db[COLLECTION].insert_one(doc)
return _serialize(doc)
async def get_document(
db: AsyncIOMotorDatabase,
doc_id: str,
user_id: int,
) -> dict[str, Any] | None:
doc = await db[COLLECTION].find_one({"_id": doc_id, **access_query(user_id)})
return _serialize(doc) if doc else None
async def list_documents(
db: AsyncIOMotorDatabase,
user_id: int,
doc_type: CreateType | None = None,
stead_id: str | None = None,
starred: bool | None = None,
sort: SortField = "updated_at",
) -> list[dict[str, Any]]:
query: dict[str, Any] = access_query(user_id)
extras: dict[str, Any] = {}
if doc_type:
extras["type"] = doc_type
if stead_id:
extras["stead_id"] = stead_id
if starred is not None:
extras["starred"] = starred
if extras:
query = {"$and": [query, extras]}
cursor = db[COLLECTION].find(query).sort(sort, -1)
return [_serialize(doc) async for doc in cursor]
async def search_documents(
db: AsyncIOMotorDatabase,
user_id: int,
q: str,
limit: int = 20,
) -> list[dict[str, Any]]:
term = q.strip()
if not term:
return []
pattern = re.escape(term)
regex = {"$regex": pattern, "$options": "i"}
query = {
"$and": [
access_query(user_id),
{
"$or": [
{"title": regex},
{"type": regex},
{"created_by": regex},
{"content.body": regex},
{"content.bodyHtml": regex},
]
},
]
}
cursor = db[COLLECTION].find(query).sort([("last_visited_at", -1), ("updated_at", -1)]).limit(limit)
return [_serialize(doc) async for doc in cursor]
async def update_document(
db: AsyncIOMotorDatabase,
doc_id: str,
user_id: int,
data: DocumentUpdate,
) -> dict[str, Any] | None:
existing = await db[COLLECTION].find_one({"_id": doc_id, **access_query(user_id)})
if existing is None:
return None
if not can_edit(existing, user_id):
return None
updates: dict[str, Any] = {"updated_at": datetime.now(UTC)}
if data.title is not None:
updates["title"] = data.title
if data.content is not None:
updates["content"] = data.content
if data.starred is not None:
updates["starred"] = data.starred
result = await db[COLLECTION].find_one_and_update(
{"_id": doc_id},
{"$set": updates},
return_document=ReturnDocument.AFTER,
)
return _serialize(result) if result else None
async def record_visit(
db: AsyncIOMotorDatabase,
doc_id: str,
user_id: int,
) -> dict[str, Any] | None:
now = datetime.now(UTC)
result = await db[COLLECTION].find_one_and_update(
{"_id": doc_id, **access_query(user_id)},
{"$set": {"last_visited_at": now}},
return_document=ReturnDocument.AFTER,
)
return _serialize(result) if result else None
async def add_member(
db: AsyncIOMotorDatabase,
doc_id: str,
owner_id: int,
member: dict[str, Any],
role: MemberRole,
) -> dict[str, Any] | None:
existing = await db[COLLECTION].find_one({"_id": doc_id, "owner_id": owner_id})
if existing is None:
return None
members = list(existing.get("members", []))
members = [m for m in members if m.get("user_id") != member["user_id"]]
members.append(
{
"user_id": member["user_id"],
"role": role,
"name": member.get("name", ""),
"email": member.get("email", ""),
}
)
result = await db[COLLECTION].find_one_and_update(
{"_id": doc_id, "owner_id": owner_id},
{
"$set": {
"members": members,
"visibility": "members",
"updated_at": datetime.now(UTC),
}
},
return_document=ReturnDocument.AFTER,
)
return _serialize(result) if result else None
async def remove_member(
db: AsyncIOMotorDatabase,
doc_id: str,
owner_id: int,
member_user_id: int,
) -> dict[str, Any] | None:
existing = await db[COLLECTION].find_one({"_id": doc_id, "owner_id": owner_id})
if existing is None:
return None
members = [m for m in existing.get("members", []) if m.get("user_id") != member_user_id]
visibility = "members" if members else "private"
result = await db[COLLECTION].find_one_and_update(
{"_id": doc_id, "owner_id": owner_id},
{
"$set": {
"members": members,
"visibility": visibility,
"updated_at": datetime.now(UTC),
}
},
return_document=ReturnDocument.AFTER,
)
return _serialize(result) if result else None
async def delete_document(
db: AsyncIOMotorDatabase,
doc_id: str,
owner_id: int,
) -> bool:
result = await db[COLLECTION].delete_one({"_id": doc_id, "owner_id": owner_id})
return result.deleted_count > 0