clientid works

backend/app/views/queue/services.py

@@ -12,6 +12,11 @@ from ..auth import schemas as auth_schemas
 from . import schemas
 
 
+def get_queue_by_id(queue_id: UUID, db: Session) -> models.Queue:
+    q = db.query(models.Queue).filter(models.Queue.id == queue_id).first()
+    return q
+
+
 def get_user_queues(
     current_user: Annotated[auth_schemas.User, Depends(auth_services.get_current_user)]
 ) -> list[schemas.QueueInDb]:
@@ -51,3 +56,29 @@ def get_detailed_queue(
         status_code=status.HTTP_404_NOT_FOUND,
         detail="Not Found",
     )
+
+
+def join_queue(
+    queue_id: UUID,
+    client: Annotated[auth_schemas.AnonUser, Depends(auth_services.get_anon_user)],
+    db: Annotated[Session, Depends(get_db)],
+) -> schemas.QueueUser:
+    q = get_queue_by_id(queue_id, db)
+    if q:
+        if not q.users.filter(models.QueueUser.user_id == client.id).first():
+            last_qu = q.users.order_by(models.QueueUser.position.desc()).first()
+            position = last_qu.position + 1 if last_qu else 0
+            new_qu = models.QueueUser(
+                user_id=client.id, queue_id=q.id, position=position
+            )
+            db.add(new_qu)
+            db.commit()
+            return new_qu
+        raise HTTPException(
+            status_code=status.HTTP_409_CONFLICT,
+            detail="Already joined",
+        )
+    raise HTTPException(
+        status_code=status.HTTP_404_NOT_FOUND,
+        detail="Not Found",
+    )