Merge branch '268152-add-graphql-field-filter-issues-by-issue_type-in-issue-boards' into 'master'

Add filtering by issue type for issues boards in GraphQL

See merge request gitlab-org/gitlab!66871

app/graphql/types/boards/board_issue_input_base_type.rb

@@ -19,6 +19,11 @@ module Types
       argument :release_tag, GraphQL::Types::String,
                required: false,
                description: 'Filter by release tag.'
+
+      argument :types, [Types::IssueTypeEnum],
+               as: :issue_types,
+               description: 'Filter by the given issue types.',
+               required: false
     end
   end
 end

app/services/boards/issues/list_service.rb

@@ -42,7 +42,7 @@ module Boards
       end
 
       def set_issue_types
-        params[:issue_types] = Issue::TYPES_FOR_LIST
+        params[:issue_types] ||= Issue::TYPES_FOR_LIST
       end
 
       def item_model

doc/api/graphql/reference/index.md

@@ -16584,6 +16584,7 @@ Field that are available while modifying the custom mapping attributes for an HT
 | <a id="boardissueinputnot"></a>`not` | [`NegatedBoardIssueInput`](#negatedboardissueinput) | List of negated arguments. |
 | <a id="boardissueinputreleasetag"></a>`releaseTag` | [`String`](#string) | Filter by release tag. |
 | <a id="boardissueinputsearch"></a>`search` | [`String`](#string) | Search query for issue title or description. |
+| <a id="boardissueinputtypes"></a>`types` | [`[IssueType!]`](#issuetype) | Filter by the given issue types. |
 | <a id="boardissueinputweight"></a>`weight` | [`String`](#string) | Filter by weight. |
 | <a id="boardissueinputweightwildcardid"></a>`weightWildcardId` | [`WeightWildcardId`](#weightwildcardid) | Filter by weight ID wildcard. Incompatible with weight. |
 
@@ -16736,6 +16737,7 @@ Represents an escalation rule.
 | <a id="negatedboardissueinputmilestonetitle"></a>`milestoneTitle` | [`String`](#string) | Filter by milestone title. |
 | <a id="negatedboardissueinputmyreactionemoji"></a>`myReactionEmoji` | [`String`](#string) | Filter by reaction emoji applied by the current user. |
 | <a id="negatedboardissueinputreleasetag"></a>`releaseTag` | [`String`](#string) | Filter by release tag. |
+| <a id="negatedboardissueinputtypes"></a>`types` | [`[IssueType!]`](#issuetype) | Filter by the given issue types. |
 | <a id="negatedboardissueinputweight"></a>`weight` | [`String`](#string) | Filter by weight. |
 
 ### `NegatedEpicBoardIssueInput`

spec/services/boards/issues/list_service_spec.rb

@@ -55,6 +55,15 @@ RSpec.describe Boards::Issues::ListService do
 
         it_behaves_like 'issues list service'
       end
+
+      context 'when filtering by type' do
+        it 'only returns the specified type' do
+          issue = create(:labeled_issue, project: project, milestone: m1, labels: [development, p1], issue_type: 'incident')
+          params = { board_id: board.id, id: list1.id, issue_types: 'incident' }
+
+          expect(described_class.new(parent, user, params).execute).to eq [issue]
+        end
+      end
     end
 
     # rubocop: disable RSpec/MultipleMemoizedHelpers