Step 9：药品管理（IMP）

backend/app/api/v1/imp_batches.py

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+import uuid
+
+from fastapi import APIRouter, Depends, HTTPException, status
+from sqlalchemy.ext.asyncio import AsyncSession
+
+from app.core.deps import get_current_user, get_db_session, require_study_member, require_study_roles
+from app.crud import audit as audit_crud
+from app.crud import imp_batch as batch_crud
+from app.crud import study as study_crud
+from app.schemas.imp import BatchCreate, BatchRead, BatchUpdate
+
+router = APIRouter()
+
+
+async def _ensure_study_exists(db: AsyncSession, study_id: uuid.UUID):
+    study = await study_crud.get(db, study_id)
+    if not study:
+        raise HTTPException(status_code=status.HTTP_404_NOT_FOUND, detail="Study not found")
+    return study
+
+
+@router.post(
+    "/",
+    response_model=BatchRead,
+    status_code=status.HTTP_201_CREATED,
+    dependencies=[Depends(require_study_roles(["PM", "IMP"]))],
+)
+async def create_batch(
+    study_id: uuid.UUID,
+    batch_in: BatchCreate,
+    db: AsyncSession = Depends(get_db_session),
+    current_user=Depends(get_current_user),
+) -> BatchRead:
+    await _ensure_study_exists(db, study_id)
+    try:
+        batch = await batch_crud.create_batch(db, study_id, batch_in)
+    except ValueError as exc:
+        raise HTTPException(status_code=status.HTTP_400_BAD_REQUEST, detail=str(exc)) from exc
+    await audit_crud.log_action(
+        db,
+        study_id=study_id,
+        entity_type="imp_batch",
+        entity_id=batch.id,
+        action="CREATE_IMP_BATCH",
+        detail=f"IMP batch {batch.batch_no} created",
+        operator_id=current_user.id,
+        operator_role=current_user.role,
+    )
+    return BatchRead.model_validate(batch)
+
+
+@router.get(
+    "/",
+    response_model=list[BatchRead],
+    dependencies=[Depends(require_study_member())],
+)
+async def list_batches(
+    study_id: uuid.UUID,
+    product_id: uuid.UUID | None = None,
+    status_filter: str | None = None,
+    db: AsyncSession = Depends(get_db_session),
+) -> list[BatchRead]:
+    await _ensure_study_exists(db, study_id)
+    batches = await batch_crud.list_batches(db, study_id, product_id=product_id, status=status_filter)
+    return [BatchRead.model_validate(b) for b in batches]
+
+
+@router.patch(
+    "/{batch_id}",
+    response_model=BatchRead,
+    dependencies=[Depends(require_study_roles(["PM", "IMP"]))],
+)
+async def update_batch(
+    study_id: uuid.UUID,
+    batch_id: uuid.UUID,
+    batch_in: BatchUpdate,
+    db: AsyncSession = Depends(get_db_session),
+    current_user=Depends(get_current_user),
+) -> BatchRead:
+    await _ensure_study_exists(db, study_id)
+    batch = await batch_crud.get_batch(db, batch_id)
+    if not batch or batch.study_id != study_id:
+        raise HTTPException(status_code=status.HTTP_404_NOT_FOUND, detail="Batch not found")
+    updated = await batch_crud.update_batch(db, batch, batch_in)
+    await audit_crud.log_action(
+        db,
+        study_id=study_id,
+        entity_type="imp_batch",
+        entity_id=batch_id,
+        action="UPDATE_IMP_BATCH",
+        detail=f"IMP batch {batch_id} updated",
+        operator_id=current_user.id,
+        operator_role=current_user.role,
+    )
+    return BatchRead.model_validate(updated)