feat: add realtime capturing

backend/src/api/routers/policy.py

@@ -17,6 +17,8 @@ from utils.policy.resolver import resolve
 
 router = APIRouter(prefix="/api/policy", tags=["policy"])
 
+POLICY_CHANGED_CHANNEL = "policy_changed"
+
 
 class EffectiveQuery(BaseModel):
     account_id: int
@@ -55,9 +57,11 @@ async def effective_policy(
 async def create_policy(
     pool: FromDishka[asyncpg.Pool], body: PolicyCreate
 ) -> PolicyRecord:
-    return await repository.create_policy(
+    record = await repository.create_policy(
         pool, body.account_id, body.scope_type, body.scope_id, body
     )
+    await pool.execute(f"NOTIFY {POLICY_CHANGED_CHANNEL}")
+    return record
 
 
 @router.get("/{policy_id}")
@@ -77,6 +81,7 @@ async def update_policy(
     record = await repository.update_policy(pool, policy_id, body)
     if record is None:
         raise HTTPException(status_code=404, detail="policy not found")
+    await pool.execute(f"NOTIFY {POLICY_CHANGED_CHANNEL}")
     return record
 
 
@@ -85,3 +90,4 @@ async def update_policy(
 async def delete_policy(pool: FromDishka[asyncpg.Pool], policy_id: int) -> None:
     if not await repository.delete_policy(pool, policy_id):
         raise HTTPException(status_code=404, detail="policy not found")
+    await pool.execute(f"NOTIFY {POLICY_CHANGED_CHANNEL}")