优化“知识库模块“--基本完善

backend/app/crud/faq_item.py

@@ -1,7 +1,7 @@
 import uuid
 from typing import Sequence
 
-from sqlalchemy import or_, select, update as sa_update
+from sqlalchemy import func, or_, select, update as sa_update
 from sqlalchemy.ext.asyncio import AsyncSession
 
 from app.models.faq_category import FaqCategory
@@ -23,8 +23,8 @@ async def create_item(db: AsyncSession, item_in: FaqCreate, *, created_by: uuid.
         study_id=item_in.study_id,
         category_id=item_in.category_id,
         question=item_in.question,
-        answer=item_in.answer,
-        keywords=item_in.keywords,
+        answer=item_in.answer or "",
+        status="PENDING",
         version=1,
         is_active=True,
         created_by=created_by,
@@ -56,7 +56,7 @@ async def list_items(
     elif study_scope == "global":
         stmt = stmt.where(FaqItem.study_id.is_(None))
     else:  # project (default)
-        stmt = stmt.where((FaqItem.study_id == study_id) | (FaqItem.study_id.is_(None)))
+        stmt = stmt.where(FaqItem.study_id == study_id)
 
     if category_id:
         stmt = stmt.where(FaqItem.category_id == category_id)
@@ -88,3 +88,38 @@ async def update_item(db: AsyncSession, item: FaqItem, item_in: FaqUpdate) -> Fa
         await db.commit()
     await db.refresh(item)
     return item
+
+
+async def touch_item(db: AsyncSession, item_id: uuid.UUID) -> None:
+    await db.execute(
+        sa_update(FaqItem)
+        .where(FaqItem.id == item_id)
+        .values(updated_at=func.now())
+    )
+    await db.commit()
+
+
+async def set_best_reply(db: AsyncSession, item_id: uuid.UUID, reply_id: uuid.UUID | None) -> None:
+    await db.execute(
+        sa_update(FaqItem)
+        .where(FaqItem.id == item_id)
+        .values(best_reply_id=reply_id, updated_at=func.now())
+    )
+    await db.commit()
+
+
+async def set_status(db: AsyncSession, item_id: uuid.UUID, status: str, resolved_by_confirm: bool | None = None) -> None:
+    values: dict[str, object] = {"status": status, "updated_at": func.now()}
+    if resolved_by_confirm is not None:
+        values["resolved_by_confirm"] = resolved_by_confirm
+    await db.execute(
+        sa_update(FaqItem)
+        .where(FaqItem.id == item_id)
+        .values(**values)
+    )
+    await db.commit()
+
+
+async def count_items_by_category(db: AsyncSession, category_id: uuid.UUID) -> int:
+    result = await db.execute(select(func.count()).select_from(FaqItem).where(FaqItem.category_id == category_id))
+    return int(result.scalar_one())