fragment TravelFields on Travel {
  id
  meeting
  departure
  details
  vehicle {
    id
    name
    phone_number
    seats
  }
  passengers {
    id
    name
    location
    user {
      id
      firstName
      lastName
    }
  }
}

mutation createTravel($travel: TravelInput!) {
  createTravel(input: {data: $travel}) {
    travel {
      ...TravelFields
    }
  }
}

mutation updateTravel($id: ID!, $travelUpdate: editTravelInput!) {
  updateTravel(input: {where: {id: $id}, data: $travelUpdate}) {
    travel {
      ...TravelFields
    }
  }
}

mutation deleteTravel($id: ID!) {
  deleteTravel(input: {where: {id: $id}}) {
    travel {
      id
    }
  }
}