How to in GraphQL mutation pass an array to a field using FaunaDB

Question

I don't think I am doing things the proper graphQL way, but I am not sure how to achieve it in graphQL.

I have the following schema, that is then uploaded to FaunaDB, and they do some magic to turn it into a usable graphQL api endpoint.

type Catalog {
  decor: Boolean
  clothing: Boolean
  supplies: Boolean
  furniture: Boolean
  owner: User
}

type Decor {
  description: String
  pieces: Int
  purchaser: String
  alterations: Boolean
  cost: Int
  purchaseDate: Date
  category: String
  image: String
  itemNum: Int
  owner: User!
  visible: Boolean
}

type DecorSheet {
  sheetName: String
  refIdArray: String
  owner: User!
}

type User {
  email: String! @unique
  catalog: Catalog
  decor: [Decor!] @relation
  decorSheet: [DecorSheet!] @relation
}

type Query {
  getMultipleDecors(DecorId: [ID!]): [Decor]
    @resolver(name: "get_multiple_decors")
}

I have the need to Create a DecorSheet type, I need the refIdArray, to be an array of objects like so

[
    {
        "refId0": "293164663883956749"
    },
    {
        "refId1": "293526016787218952"
    }
]

I have the following mutation gql for apollo to trigger

const CREATE_DECOR_SHEET = gql`
  mutation CreateDecorSheet(
    $ownerID: ID!
    # $description: String!
    $sheetName: String
    $refIdArray: String!
  ) {
    createDecorSheet(data: { sheetName: $sheetName, refIdArray: $refIdArray, owner: { connect: $ownerID } }) {
      refIdArray
      sheetName
      _id
    }
  }
`;

and I am calling it here

const res = await createDecorSheet({
      variables: {
        ownerID: user.id,
        // ...dataMassage,
        sheetName: dataForm.sheetName,
        refIdArray: JSON.stringify(chosenValues), //A WAY TO DO THIS GRAPHQL STYLE
      },
    }).catch(console.error);

See currently I am stringifying the chosenValues which is the same values I listed above of the refId and Id objects in the array.

Is there a better way to do this, do I need to write a custom mutation that you can pass an array of objects to refIdArray.

If anyone could help with this that would be great.

Thanks

just pass array of ids, like in the query ... it's resolver role to adapt input data to DB requirements (hidden implementation) or 'extract' to required data shape — xadm, Mar 25 '21 at 22:24
So you can pass an array of id's as a string value? that doesn't sound right too me, but I will try. I think it will complain to me that it is not a string value though. I'll report back — Anders Kitson, Mar 26 '21 at 01:49
I got `Variable '$refIdArray' expected value of type 'String!' but got: ["293164663883956749","293526016787218952"]` Do I need to change the schema to be `refIdArray: [id]` — Anders Kitson, Mar 26 '21 at 01:56
@AndersKitson You should probably write your own answer with the solution then, it'll definitely help other! :) — Vadorequest, Mar 27 '21 at 11:45

score 2 · Answer 1 · answered Mar 28 '21 at 18:11

I ended up updating the schema to

type DecorSheet {
  sheetName: String
  refIdArray: [ID]
  owner: User!
}

Then I just passed my array as is

const res = await createDecorSheet({
        variables: {
       ownerID: user.id,
          // ...dataMassage,
          sheetName: dataForm.sheetName,
          refIdArray: chosenValues, //array here
        },
      }).catch(console.error);

and the gql mutation looked as so

 const CREATE_DECOR_SHEET = gql`
    mutation CreateDecorSheet(
      $ownerID: ID!
      # $description: String!
      $sheetName: String
      $refIdArray: [ID]
    ) {
      createDecorSheet(
        data: {
          sheetName: $sheetName
          refIdArray: $refIdArray
          owner: { connect: $ownerID }
        }
      ) {
        refIdArray
        sheetName
        _id
      }
    }
  `;

How to in GraphQL mutation pass an array to a field using FaunaDB

1 Answers1