Allow to update epic boards lists with GraphQL

Introduces epic boards update mutation
on graphql

app/graphql/mutations/boards/lists/base_update.rb

+# frozen_string_literal: true
+
+module Mutations
+  module Boards
+    module Lists
+      class BaseUpdate < BaseMutation
+        argument :position, GraphQL::INT_TYPE,
+                  required: false,
+                  description: 'Position of list within the board.'
+
+        argument :collapsed, GraphQL::BOOLEAN_TYPE,
+                  required: false,
+                  description: 'Indicates if the list is collapsed for this user.'
+
+        def resolve(list: nil, **args)
+          if list.nil? || !can_read_list?(list)
+            raise_resource_not_available_error!
+          end
+
+          update_result = update_list(list, args)
+
+          {
+            list: update_result[:list],
+            errors: list.errors.full_messages
+          }
+        end
+
+        private
+
+        def update_list(list, args)
+          raise NotImplementedError
+        end
+
+        def can_read_list?(list)
+          raise NotImplementedError
+        end
+      end
+    end
+  end
+end

app/graphql/mutations/boards/lists/update.rb

@@ -3,7 +3,7 @@
 module Mutations
   module Boards
     module Lists
-      class Update < BaseMutation
+      class Update < BaseUpdate
         graphql_name 'UpdateBoardList'
 
         argument :list_id, Types::GlobalIDType[List],
@@ -11,29 +11,11 @@ module Mutations
                   loads: Types::BoardListType,
                   description: 'Global ID of the list.'
 
-        argument :position, GraphQL::INT_TYPE,
-                  required: false,
-                  description: 'Position of list within the board.'
-
-        argument :collapsed, GraphQL::BOOLEAN_TYPE,
-                  required: false,
-                  description: 'Indicates if the list is collapsed for this user.'
-
         field :list,
               Types::BoardListType,
               null: true,
               description: 'Mutated list.'
 
-        def resolve(list: nil, **args)
-          raise_resource_not_available_error! unless can_read_list?(list)
-          update_result = update_list(list, args)
-
-          {
-            list: update_result[:list],
-            errors: list.errors.full_messages
-          }
-        end
-
         private
 
         def update_list(list, args)
@@ -42,8 +24,6 @@ module Mutations
         end
 
         def can_read_list?(list)
-          return false unless list.present?
-
           Ability.allowed?(current_user, :read_issue_board_list, list.board)
         end
       end

doc/api/graphql/reference/index.md

@@ -6777,6 +6777,16 @@ Autogenerated return type of UpdateContainerExpirationPolicy.
 | `containerExpirationPolicy` | [`ContainerExpirationPolicy`](#containerexpirationpolicy) | The container expiration policy after mutation. |
 | `errors` | [`[String!]!`](#string) | Errors encountered during execution of the mutation. |
 
+### `UpdateEpicBoardListPayload`
+
+Autogenerated return type of UpdateEpicBoardList.
+
+| Field | Type | Description |
+| ----- | ---- | ----------- |
+| `clientMutationId` | [`String`](#string) | A unique identifier for the client performing the mutation. |
+| `errors` | [`[String!]!`](#string) | Errors encountered during execution of the mutation. |
+| `list` | [`EpicList`](#epiclist) | Mutated epic list. |
+
 ### `UpdateEpicPayload`
 
 Autogenerated return type of UpdateEpic.

ee/app/graphql/ee/types/mutation_type.rb

@@ -43,6 +43,7 @@ module EE
         mount_mutation ::Mutations::Boards::EpicBoards::EpicMoveList
         mount_mutation ::Mutations::Boards::EpicBoards::Update
         mount_mutation ::Mutations::Boards::EpicLists::Create
+        mount_mutation ::Mutations::Boards::EpicLists::Update
         mount_mutation ::Mutations::Boards::Lists::UpdateLimitMetrics
         mount_mutation ::Mutations::InstanceSecurityDashboard::AddProject
         mount_mutation ::Mutations::InstanceSecurityDashboard::RemoveProject

ee/app/graphql/mutations/boards/epic_lists/update.rb

+# frozen_string_literal: true
+
+module Mutations
+  module Boards
+    module EpicLists
+      class Update < ::Mutations::Boards::Lists::BaseUpdate
+        graphql_name 'UpdateEpicBoardList'
+
+        argument :list_id, Types::GlobalIDType[::Boards::EpicList],
+                  required: true,
+                  loads: Types::Boards::EpicListType,
+                  description: 'Global ID of the epic list.'
+
+        field :list,
+              Types::Boards::EpicListType,
+              null: true,
+              description: 'Mutated epic list.'
+
+        private
+
+        def update_list(list, args)
+          service = ::Boards::EpicLists::UpdateService.new(list.board, current_user, args)
+          service.execute(list)
+        end
+
+        def can_read_list?(list)
+          Ability.allowed?(current_user, :read_epic_board_list, list.board)
+        end
+      end
+    end
+  end
+end

ee/changelogs/unreleased/issue_321770-add_graphql_mutation.yml

+---
+title: Add GraphQL mutation that allows to update epic boards lists
+merge_request: 58782
+author:
+type: added

ee/spec/graphql/mutations/boards/epic_lists/update_spec.rb

+# frozen_string_literal: true
+
+require 'spec_helper'
+
+RSpec.describe Mutations::Boards::EpicLists::Update do
+  let_it_be(:group)    { create(:group, :private) }
+  let_it_be(:board)    { create(:epic_board, group: group) }
+  let_it_be(:reporter) { create(:user) }
+  let_it_be(:guest)    { create(:user) }
+  let_it_be(:list)     { create(:epic_list, epic_board: board, position: 0) }
+  let_it_be(:list2)    { create(:epic_list, epic_board: board) }
+
+  before do
+    stub_licensed_features(epics: true)
+  end
+
+  context 'on epic boards' do
+    it_behaves_like 'update board list mutation'
+  end
+end

ee/spec/requests/api/graphql/boards/epic_lists/update_spec.rb

+# frozen_string_literal: true
+
+require 'spec_helper'
+
+RSpec.describe 'Update of an existing epic board list' do
+  include GraphqlHelpers
+
+  let_it_be(:current_user) { create(:user) }
+  let_it_be(:group) { create(:group, :private) }
+  let_it_be(:board) { create(:epic_board, group: group) }
+  let_it_be(:list) { create(:epic_list, epic_board: board, position: 0) }
+  let_it_be(:list2) { create(:epic_list, epic_board: board) }
+  let_it_be(:input) { { list_id: list.to_global_id.to_s, position: 1, collapsed: true } }
+
+  let(:mutation) { graphql_mutation(:update_epic_board_list, input) }
+  let(:mutation_response) { graphql_mutation_response(:update_epic_board_list) }
+
+  before do
+    stub_licensed_features(epics: true)
+  end
+
+  it_behaves_like 'a GraphQL request to update board list'
+end

spec/graphql/mutations/boards/lists/update_spec.rb

@@ -3,54 +3,14 @@
 require 'spec_helper'
 
 RSpec.describe Mutations::Boards::Lists::Update do
-  let_it_be(:group)    { create(:group, :private) }
-  let_it_be(:board)    { create(:board, group: group) }
-  let_it_be(:reporter) { create(:user) }
-  let_it_be(:guest)    { create(:user) }
-  let_it_be(:list)     { create(:list, board: board, position: 0) }
-  let_it_be(:list2)    { create(:list, board: board) }
-  let(:mutation) { described_class.new(object: nil, context: { current_user: current_user }, field: nil) }
-  let(:list_update_params) { { position: 1, collapsed: true } }
-
-  before_all do
-    group.add_reporter(reporter)
-    group.add_guest(guest)
-    list.update_preferences_for(reporter, collapsed: false)
-  end
-
-  subject { mutation.resolve(list: list, **list_update_params) }
-
-  describe '#resolve' do
-    context 'with permission to admin board lists' do
-      let(:current_user) { reporter }
-
-      it 'updates the list position and collapsed state as expected' do
-        subject
-
-        reloaded_list = list.reload
-        expect(reloaded_list.position).to eq(1)
-        expect(reloaded_list.collapsed?(current_user)).to eq(true)
-      end
-    end
-
-    context 'with permission to read board lists' do
-      let(:current_user) { guest }
-
-      it 'updates the list collapsed state but not the list position' do
-        subject
-
-        reloaded_list = list.reload
-        expect(reloaded_list.position).to eq(0)
-        expect(reloaded_list.collapsed?(current_user)).to eq(true)
-      end
-    end
-
-    context 'without permission to read board lists' do
-      let(:current_user) { create(:user) }
-
-      it 'raises Resource Not Found error' do
-        expect { subject }.to raise_error(Gitlab::Graphql::Errors::ResourceNotAvailable)
-      end
-    end
+  context 'on group issue boards' do
+    let_it_be(:group)    { create(:group, :private) }
+    let_it_be(:board)    { create(:board, group: group) }
+    let_it_be(:reporter) { create(:user) }
+    let_it_be(:guest)    { create(:user) }
+    let_it_be(:list)     { create(:list, board: board, position: 0) }
+    let_it_be(:list2)    { create(:list, board: board) }
+
+    it_behaves_like 'update board list mutation'
   end
 end

spec/requests/api/graphql/mutations/boards/lists/update_spec.rb

@@ -14,43 +14,5 @@ RSpec.describe 'Update of an existing board list' do
   let(:mutation) { graphql_mutation(:update_board_list, input) }
   let(:mutation_response) { graphql_mutation_response(:update_board_list) }
 
-  context 'the user is not allowed to read board lists' do
-    it_behaves_like 'a mutation that returns a top-level access error'
-  end
-
-  before do
-    list.update_preferences_for(current_user, collapsed: false)
-  end
-
-  context 'when user has permissions to admin board lists' do
-    before do
-      group.add_reporter(current_user)
-    end
-
-    it 'updates the list position and collapsed state' do
-      post_graphql_mutation(mutation, current_user: current_user)
-
-      expect(response).to have_gitlab_http_status(:success)
-      expect(mutation_response['list']).to include(
-        'position' => 1,
-        'collapsed' => true
-      )
-    end
-  end
-
-  context 'when user has permissions to read board lists' do
-    before do
-      group.add_guest(current_user)
-    end
-
-    it 'updates the list collapsed state but not the list position' do
-      post_graphql_mutation(mutation, current_user: current_user)
-
-      expect(response).to have_gitlab_http_status(:success)
-      expect(mutation_response['list']).to include(
-        'position' => 0,
-        'collapsed' => true
-      )
-    end
-  end
+  it_behaves_like 'a GraphQL request to update board list'
 end

spec/support/shared_examples/graphql/mutations/boards/update_list_shared_examples.rb

+# frozen_string_literal: true
+
+RSpec.shared_examples 'update board list mutation' do
+  describe '#resolve' do
+    let(:mutation) { described_class.new(object: nil, context: { current_user: current_user }, field: nil) }
+    let(:list_update_params) { { position: 1, collapsed: true } }
+
+    subject { mutation.resolve(list: list, **list_update_params) }
+
+    before_all do
+      group.add_reporter(reporter)
+      group.add_guest(guest)
+      list.update_preferences_for(reporter, collapsed: false)
+    end
+
+    context 'with permission to admin board lists' do
+      let(:current_user) { reporter }
+
+      it 'updates the list position and collapsed state as expected' do
+        subject
+
+        reloaded_list = list.reload
+        expect(reloaded_list.position).to eq(1)
+        expect(reloaded_list.collapsed?(current_user)).to eq(true)
+      end
+    end
+
+    context 'with permission to read board lists' do
+      let(:current_user) { guest }
+
+      it 'updates the list collapsed state but not the list position' do
+        subject
+
+        reloaded_list = list.reload
+        expect(reloaded_list.position).to eq(0)
+        expect(reloaded_list.collapsed?(current_user)).to eq(true)
+      end
+    end
+
+    context 'without permission to read board lists' do
+      let(:current_user) { create(:user) }
+
+      it 'raises Resource Not Found error' do
+        expect { subject }.to raise_error(Gitlab::Graphql::Errors::ResourceNotAvailable)
+      end
+    end
+  end
+end

spec/support/shared_examples/requests/api/graphql/mutations/boards/update_list_shared_examples.rb

+# frozen_string_literal: true
+
+RSpec.shared_examples 'a GraphQL request to update board list' do
+  context 'the user is not allowed to read board lists' do
+    it_behaves_like 'a mutation that returns a top-level access error'
+  end
+
+  before do
+    list.update_preferences_for(current_user, collapsed: false)
+  end
+
+  context 'when user has permissions to admin board lists' do
+    before do
+      group.add_reporter(current_user)
+    end
+
+    it 'updates the list position and collapsed state' do
+      post_graphql_mutation(mutation, current_user: current_user)
+
+      expect(response).to have_gitlab_http_status(:success)
+      expect(mutation_response['list']).to include(
+        'position' => 1,
+        'collapsed' => true
+      )
+    end
+  end
+
+  context 'when user has permissions to read board lists' do
+    before do
+      group.add_guest(current_user)
+    end
+
+    it 'updates the list collapsed state but not the list position' do
+      post_graphql_mutation(mutation, current_user: current_user)
+
+      expect(response).to have_gitlab_http_status(:success)
+      expect(mutation_response['list']).to include(
+        'position' => 0,
+        'collapsed' => true
+      )
+    end
+  end
+end