added attach with background task

pkgs/clan-cli/clan_cli/webui/routers/sql_connect.py

@@ -1,6 +1,6 @@
 from typing import List, Optional
 
-from fastapi import APIRouter, Depends
+from fastapi import APIRouter, BackgroundTasks, Depends
 from sqlalchemy.orm import Session
 
 from .. import sql_crud, sql_db, sql_models
@@ -139,8 +139,11 @@ def get_repository(
 @router.post("/api/v1/create_entity", response_model=Entity, tags=[Tags.entities])
 def create_entity(
     entity: EntityCreate, db: Session = Depends(sql_db.get_db)
-) -> EntityCreate:
+) -> EntityCreate | str:
     # todo checken ob schon da ...
+    if sql_crud.get_entity_by_did(db, did=entity.did):
+        print("did already exsists")
+        return "Error did already exsists in db"
     return sql_crud.create_entity(db, entity)
 
 
@@ -161,3 +164,17 @@ def get_entity(
 ) -> Optional[sql_models.Entity]:
     entity = sql_crud.get_entity_by_did(db, did=entity_did)
     return entity
+
+
+@router.get("/api/v1/attach", response_model=Optional[Entity], tags=[Tags.entities])
+async def attach(
+    background_tasks: BackgroundTasks,
+    entity_did: str = "did:sov:test:1234",
+    skip: int = 0,
+    limit: int = 100,
+    db: Session = Depends(sql_db.get_db),
+) -> dict[str, str]:
+    background_tasks.add_task(
+        sql_crud.check_health, db, entity_did, message="Not attched any more"
+    )
+    return {"message": "Attaching in the background"}