batch import csv

backend/app/routers/aliases.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 MailAliasCreate, MailAliasListResponse, MailAliasRead
-from app.services.mail_aliases import create_mail_alias, list_mail_aliases
+from app.schemas import MailAliasCreate, MailAliasListResponse, MailAliasRead, MailGroupEmailCheck
+from app.services.mail_aliases import (
+    check_alias_email_available,
+    create_mail_alias,
+    list_mail_aliases,
+)
 
 router = APIRouter(prefix="/aliases", tags=["aliases"])
 
@@ -20,6 +24,24 @@ async def get_aliases(
     return MailAliasListResponse(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.",
+        )
+    return await check_alias_email_available(
+        session,
+        manager.company_domain,
+        email,
+    )
+
+
 @router.post("", response_model=MailAliasRead, status_code=status.HTTP_201_CREATED)
 async def add_alias(
     payload: MailAliasCreate,