Draft: Spike bulk assignment endpoints for add ons

What does this MR do and why?

Spike for https://gitlab.com/gitlab-org/gitlab/-/issues/423839+

GraphQL

List Users

query getEligibleUsers($fullPath: ID!, $addOnPurchaseIds: [GitlabSubscriptionsAddOnPurchaseID!]!) {
  namespace(fullPath: $fullPath) {
    addOnEligibleUsers(addOnType: CODE_SUGGESTIONS) {
      nodes {
        id
        username
        name
        addOnAssignments(addOnPurchaseIds: $addOnPurchaseIds) {
          nodes {
            addOnPurchase {
              name
            }
          }
        }
      }
    }
  }
}

{
  "addOnPurchaseIds": [
    "gid://gitlab/GitlabSubscriptions::AddOnPurchase/2"
  ],
  "fullPath": "<GROUP-PATH>"
}

Bulk Create

mutation userAddOnAssignmentBulkCreate($input: UserAddOnAssignmentBulkCreateInput!, $addOnPurchaseIds: [GitlabSubscriptionsAddOnPurchaseID!]!) {
  userAddOnAssignmentBulkCreate(input: $input) {
    errors
    clientMutationId
    addOnPurchase {
      id
      name
      purchasedQuantity
      assignedQuantity
    }
    users {
      nodes {
        name
        addOnAssignments(addOnPurchaseIds: $addOnPurchaseIds) {
          nodes {
            addOnPurchase {
              id
              name
            }
          }
        }
      }
    }
  }
}

{
  "input": {
    "userIds": [
      "gid://gitlab/User/43",
      "gid://gitlab/User/107",
      "gid://gitlab/User/97",
      "gid://gitlab/User/108",
      "gid://gitlab/User/94",
      "gid://gitlab/User/46",
      "gid://gitlab/User/47",
      "gid://gitlab/User/48",
      "gid://gitlab/User/49"
    ],
    "addOnPurchaseId": "gid://gitlab/GitlabSubscriptions::AddOnPurchase/2"
  },
  "addOnPurchaseIds": [
    "gid://gitlab/GitlabSubscriptions::AddOnPurchase/2"
  ]
}

Bulk Remove

mutation userAddOnBulkAssignmentRemove($input: UserAddOnAssignmentBulkRemoveInput!, $addOnPurchaseIds: [GitlabSubscriptionsAddOnPurchaseID!]!) {
  userAddOnAssignmentBulkRemove(input: $input) {
    errors
    clientMutationId
    addOnPurchase {
      id
      name
      purchasedQuantity
      assignedQuantity
    }
    users {
      nodes {
        name
        addOnAssignments(addOnPurchaseIds: $addOnPurchaseIds) {
          nodes {
            addOnPurchase {
              id
              name
            }
          }
        }
      }
    }
  }
}

{
  "input": {
    "userIds": [
      "gid://gitlab/User/43",
      "gid://gitlab/User/107",
      "gid://gitlab/User/97",
      "gid://gitlab/User/108",
      "gid://gitlab/User/94",
      "gid://gitlab/User/46",
      "gid://gitlab/User/47",
      "gid://gitlab/User/48",
      "gid://gitlab/User/49"
    ],
    "addOnPurchaseId": "gid://gitlab/GitlabSubscriptions::AddOnPurchase/2"
  },
  "addOnPurchaseIds": [
    "gid://gitlab/GitlabSubscriptions::AddOnPurchase/2"
  ]
}

Filter by Group ID

query getEligibleUsers($fullPath: ID!, $addOnPurchaseIds: [GitlabSubscriptionsAddOnPurchaseID!]!, $filterByGroupId: GroupID!) {
  namespace(fullPath: $fullPath) {
    addOnEligibleUsers(addOnType: CODE_SUGGESTIONS, filterByGroupId: $filterByGroupId) {
      nodes {
        id
        username
        name
        addOnAssignments(addOnPurchaseIds: $addOnPurchaseIds) {
          nodes {
            addOnPurchase {
              name
            }
          }
        }
      }
    }
  }
}

{
  "addOnPurchaseIds": [
    "gid://gitlab/GitlabSubscriptions::AddOnPurchase/2"
  ],
  "fullPath": "group-with-too-many-users",
  "filterByGroupId": "gid://gitlab/Group/513"
}

How to set up and validate locally

Numbered steps to set up and validate the change are strongly suggested.

MR acceptance checklist

This checklist encourages us to confirm any changes have been analyzed to reduce risks in quality, performance, reliability, security, and maintainability.

• I have evaluated the MR acceptance checklist for this MR.