batch import csv

backend/app/routers/groups.py

@@ -5,8 +5,12 @@ from sqlalchemy.ext.asyncio import AsyncSession
 from app.database import get_postgres_session
 from app.deps.org_manager import require_org_manager
 from app.models import Account
-from app.schemas import MailGroupCreate, MailGroupListResponse, MailGroupRead
-from app.services.mail_groups import create_mail_group, list_mail_groups
+from app.schemas import MailGroupCreate, MailGroupEmailCheck, MailGroupListResponse, MailGroupRead
+from app.services.mail_groups import (
+    check_group_email_available,
+    create_mail_group,
+    list_mail_groups,
+)
 
 router = APIRouter(prefix="/groups", tags=["groups"])
 
@@ -20,6 +24,25 @@ async def get_groups(
     return MailGroupListResponse(items=items, counts=counts)
 
 
+@router.get("/check-email", response_model=MailGroupEmailCheck)
+async def check_email(
+    email: str,
+    manager: Account = Depends(require_org_manager),
+    session: AsyncSession = Depends(get_postgres_session),
+) -> MailGroupEmailCheck:
+    if manager.company_domain is None:
+        raise HTTPException(
+            status_code=status.HTTP_422_UNPROCESSABLE_ENTITY,
+            detail="Company domain is required.",
+        )
+    result = await check_group_email_available(
+        session,
+        manager.company_domain,
+        email,
+    )
+    return result
+
+
 @router.post("", response_model=MailGroupRead, status_code=status.HTTP_201_CREATED)
 async def add_group(
     payload: MailGroupCreate,