Membership: Revoke memberships from an organization

app/graphql/mutations/memberships/revoke.rb

@@ -0,0 +1,22 @@
+# frozen_string_literal: true
+
+module Mutations
+  module Memberships
+    class Revoke < BaseMutation
+      include AuthenticableApiUser
+
+      graphql_name 'RevokeMembership'
+      description 'Revoke a membership'
+
+      argument :id, ID, required: true
+
+      type Types::MembershipType
+
+      def resolve(id:)
+        result = ::Memberships::RevokeService.new(context[:current_user]).revoke(id)
+
+        result.success? ? result.membership : result_error(result)
+      end
+    end
+  end
+end

app/graphql/types/mutation_type.rb

@@ -48,5 +48,7 @@ class MutationType < Types::BaseObject
     field :terminate_customer_wallet, mutation: Mutations::Wallets::Terminate
 
     field :create_customer_wallet_transaction, mutation: Mutations::WalletTransactions::Create
+
+    field :revoke_membership, mutation: Mutations::Memberships::Revoke
   end
 end

app/services/memberships/revoke_service.rb

@@ -0,0 +1,24 @@
+# frozen_string_literal: true
+
+module Memberships
+  class RevokeService < BaseService
+    def revoke(id)
+      membership = Membership.find_by(id: id)
+      return result.fail!(code: 'not_found') unless membership
+
+      if result.user.id == membership.user.id
+        return result.fail!(
+          code: 'unprocessable_entity',
+          message: 'revoke_own_membership',
+        )
+      end
+
+      membership.mark_as_revoked!
+
+      result.membership = membership
+      result
+    rescue ActiveRecord::RecordInvalid => e
+      result.fail_with_validations!(e.record)
+    end
+  end
+end

schema.graphql

@@ -2937,6 +2937,16 @@ type Mutation {
     input: RegisterUserInput!
   ): RegisterUser
 
+  """
+  Revoke a membership
+  """
+  revokeMembership(
+    """
+    Parameters for RevokeMembership
+    """
+    input: RevokeMembershipInput!
+  ): Membership
+
   """
   Unassign a coupon from a customer
   """
@@ -3384,6 +3394,17 @@ input RegisterUserInput {
   password: String!
 }
 
+"""
+Autogenerated input type of RevokeMembership
+"""
+input RevokeMembershipInput {
+  """
+  A unique identifier for the client performing the mutation.
+  """
+  clientMutationId: String
+  id: ID!
+}
+
 enum StatusTypeEnum {
   active
   canceled

schema.json

@@ -9558,6 +9558,35 @@
                 }
               ]
             },
+            {
+              "name": "revokeMembership",
+              "description": "Revoke a membership",
+              "type": {
+                "kind": "OBJECT",
+                "name": "Membership",
+                "ofType": null
+              },
+              "isDeprecated": false,
+              "deprecationReason": null,
+              "args": [
+                {
+                  "name": "input",
+                  "description": "Parameters for RevokeMembership",
+                  "type": {
+                    "kind": "NON_NULL",
+                    "name": null,
+                    "ofType": {
+                      "kind": "INPUT_OBJECT",
+                      "name": "RevokeMembershipInput",
+                      "ofType": null
+                    }
+                  },
+                  "defaultValue": null,
+                  "isDeprecated": false,
+                  "deprecationReason": null
+                }
+              ]
+            },
             {
               "name": "terminateAppliedCoupon",
               "description": "Unassign a coupon from a customer",
@@ -11997,6 +12026,45 @@
           ],
           "enumValues": null
         },
+        {
+          "kind": "INPUT_OBJECT",
+          "name": "RevokeMembershipInput",
+          "description": "Autogenerated input type of RevokeMembership",
+          "interfaces": null,
+          "possibleTypes": null,
+          "fields": null,
+          "inputFields": [
+            {
+              "name": "clientMutationId",
+              "description": "A unique identifier for the client performing the mutation.",
+              "type": {
+                "kind": "SCALAR",
+                "name": "String",
+                "ofType": null
+              },
+              "defaultValue": null,
+              "isDeprecated": false,
+              "deprecationReason": null
+            },
+            {
+              "name": "id",
+              "description": null,
+              "type": {
+                "kind": "NON_NULL",
+                "name": null,
+                "ofType": {
+                  "kind": "SCALAR",
+                  "name": "ID",
+                  "ofType": null
+                }
+              },
+              "defaultValue": null,
+              "isDeprecated": false,
+              "deprecationReason": null
+            }
+          ],
+          "enumValues": null
+        },
         {
           "kind": "ENUM",
           "name": "StatusTypeEnum",

spec/graphql/mutations/memberships/revoke_spec.rb

@@ -0,0 +1,49 @@
+# frozen_string_literal: true
+
+require 'rails_helper'
+
+RSpec.describe Mutations::Memberships::Revoke, type: :graphql do
+  let(:membership) { create(:membership) }
+  let(:organization) { membership.organization }
+
+  let(:mutation) do
+    <<-GQL
+      mutation($input: RevokeMembershipInput!) {
+        revokeMembership(input: $input) {
+          id
+          revokedAt
+        }
+      }
+    GQL
+  end
+
+  it 'Revokes a membership' do
+    user = create(:user)
+
+    result = execute_graphql(
+      current_user: user,
+      query: mutation,
+      variables: {
+        input: { id: membership.id },
+      },
+    )
+
+    data = result['data']['revokeMembership']
+
+    expect(data['id']).to eq(membership.id)
+    expect(data['revokedAt']).to be_present
+  end
+
+  it 'Cannot Revoke my own membership' do
+    result = execute_graphql(
+      current_user: membership.user,
+      query: mutation,
+      variables: {
+        input: { id: membership.id },
+      },
+    )
+
+    expect(result['errors'].first['message']).to eq('revoke_own_membership')
+    expect(result['errors'].first['extensions']['status']).to eq(422)
+  end
+end

spec/services/memberships/revoke_service_spec.rb

@@ -0,0 +1,40 @@
+# frozen_string_literal: true
+
+require 'rails_helper'
+
+RSpec.describe Memberships::RevokeService, type: :service do
+  subject(:revoke_service) { described_class.new(membership.user) }
+
+  let(:membership) { create(:membership) }
+
+  describe '.revoke' do
+    context 'when revoking my own membership' do
+      it 'returns an error' do
+        result = revoke_service.revoke(membership.id)
+
+        expect(result).not_to be_success
+        expect(result.error).to eq('revoke_own_membership')
+      end
+    end
+
+    context 'when membership is not found' do
+      it 'returns an error' do
+        result = revoke_service.revoke(nil)
+
+        expect(result).not_to be_success
+        expect(result.error).to eq('not_found')
+      end
+    end
+
+    context 'when revoking another membership' do
+      let(:another_membership) { create(:membership) }
+
+      it 'revokes the memembership' do
+        result = revoke_service.revoke(another_membership.id)
+
+        expect(result).to be_success
+        expect(result.membership.id).to eq(another_membership.id)
+      end
+    end
+  end
+end