feat(rbac): enforce procurement write restrictions and support supervisor role in SSO

backend/app/routers/standard_conversions.py

@@ -3,6 +3,7 @@ from fastapi import APIRouter, Depends, Query
 from sqlalchemy import select
 from sqlalchemy.ext.asyncio import AsyncSession
 
+from app.auth import require_role
 from app.db.engine import get_db
 from app.models.catalog import StandardConversion
 from app.schemas.catalog import StandardConversionCreate, StandardConversionUpdate
@@ -11,6 +12,7 @@ from app.utils.pagination import paginate
 from app.utils.serialization import to_iso
 
 router = APIRouter(prefix="/standard-conversions", tags=["standard-conversions"])
+_procurement_writer = require_role("admin", "procurement_manager")
 
 
 def sc_to_dict(sc: StandardConversion) -> dict:
@@ -41,7 +43,11 @@ async def list_standard_conversions(
 
 
 @router.post("", status_code=201)
-async def create_standard_conversion(payload: StandardConversionCreate, db: AsyncSession = Depends(get_db)):
+async def create_standard_conversion(
+    payload: StandardConversionCreate,
+    db: AsyncSession = Depends(get_db),
+    _auth=Depends(_procurement_writer),
+):
     duplicate = await db.scalar(
         select(StandardConversion.id).where(
             StandardConversion.from_unit == payload.from_unit,
@@ -67,7 +73,12 @@ async def get_standard_conversion(sc_id, db: AsyncSession = Depends(get_db)):
 
 
 @router.patch("/{sc_id}")
-async def update_standard_conversion(sc_id, payload: StandardConversionUpdate, db: AsyncSession = Depends(get_db)):
+async def update_standard_conversion(
+    sc_id,
+    payload: StandardConversionUpdate,
+    db: AsyncSession = Depends(get_db),
+    _auth=Depends(_procurement_writer),
+):
     sc = await db.get(StandardConversion, sc_id)
     if sc is None:
         raise NotFoundError("تبدیل استاندارد یافت نشد")
@@ -94,7 +105,11 @@ async def update_standard_conversion(sc_id, payload: StandardConversionUpdate, d
 
 
 @router.delete("/{sc_id}")
-async def delete_standard_conversion(sc_id, db: AsyncSession = Depends(get_db)):
+async def delete_standard_conversion(
+    sc_id,
+    db: AsyncSession = Depends(get_db),
+    _auth=Depends(_procurement_writer),
+):
     sc = await db.get(StandardConversion, sc_id)
     if sc is None:
         raise NotFoundError("تبدیل استاندارد یافت نشد")