clean up data when deleted

[sansan88]

• Trainings, Attendees, Übungen
• Games, Attendees
• Events, Attendees

• Helferevents > Schichten, Attendees, Attendees in Schicht

  const userCollectionsList = await db.collection("userProfile").doc(user.uid).listCollections(); for (const collection of userCollectionsList) { console.log("Auto delete collection with id: " + collection.id); const collectionData = await db.collection("userProfile").doc(user.uid).collection(collection.id).get(); for (const document of collectionData.docs) { await db.collection("userProfile").doc(user.uid).collection(collection.id).doc(document.id).delete(); } }