Add jobArtifacts to PipelineType

Add list of JobArtifactType which inlcudes a new name filed to PipelineType.

Changelog: added

app/graphql/resolvers/ci/pipeline_job_artifacts_resolver.rb

+# frozen_string_literal: true
+
+module Resolvers
+  module Ci
+    class PipelineJobArtifactsResolver < BaseResolver
+      type [Types::Ci::JobArtifactType], null: false
+
+      alias_method :pipeline, :object
+
+      def resolve
+        find_job_artifacts
+      end
+
+      private
+
+      def find_job_artifacts
+        BatchLoader::GraphQL.for(pipeline).batch do |pipelines, loader|
+          ActiveRecord::Associations::Preloader.new.preload(pipelines, :job_artifacts) # rubocop: disable CodeReuse/ActiveRecord
+
+          pipelines.each { |pl| loader.call(pl, pl.job_artifacts) }
+        end
+      end
+    end
+  end
+end

app/graphql/types/ci/job_artifact_type.rb

@@ -12,6 +12,10 @@ module Types
       field :file_type, ::Types::Ci::JobArtifactFileTypeEnum, null: true,
             description: 'File type of the artifact.'
 
+      field :name, GraphQL::Types::String, null: true,
+            description: 'File name of the artifact.',
+            method: :filename
+
       def download_path
         ::Gitlab::Routing.url_helpers.download_project_job_artifacts_path(
           object.project,

app/graphql/types/ci/pipeline_type.rb

@@ -108,6 +108,11 @@ module Types
                  description: 'Name of the job.'
       end
 
+      field :job_artifacts,
+            null: true,
+            description: 'Job artifacts of the pipeline.',
+            resolver: ::Resolvers::Ci::PipelineJobArtifactsResolver
+
       field :source_job,
             type: Types::Ci::JobType,
             null: true,

doc/api/graphql/reference/index.md

@@ -8600,6 +8600,7 @@ Represents the total number of issues and their weights for a particular day.
 | ---- | ---- | ----------- |
 | <a id="cijobartifactdownloadpath"></a>`downloadPath` | [`String`](#string) | URL for downloading the artifact's file. |
 | <a id="cijobartifactfiletype"></a>`fileType` | [`JobArtifactFileType`](#jobartifactfiletype) | File type of the artifact. |
+| <a id="cijobartifactname"></a>`name` | [`String`](#string) | File name of the artifact. |
 
 ### `CiJobTokenScopeType`
 
@@ -12472,6 +12473,7 @@ Represents a file or directory in the project repository that has been locked.
 | <a id="pipelinefinishedat"></a>`finishedAt` | [`Time`](#time) | Timestamp of the pipeline's completion. |
 | <a id="pipelineid"></a>`id` | [`ID!`](#id) | ID of the pipeline. |
 | <a id="pipelineiid"></a>`iid` | [`String!`](#string) | Internal ID of the pipeline. |
+| <a id="pipelinejobartifacts"></a>`jobArtifacts` | [`[CiJobArtifact!]`](#cijobartifact) | Job artifacts of the pipeline. |
 | <a id="pipelinepath"></a>`path` | [`String`](#string) | Relative path to the pipeline's page. |
 | <a id="pipelineproject"></a>`project` | [`Project`](#project) | Project the pipeline belongs to. |
 | <a id="pipelinequeuedduration"></a>`queuedDuration` | [`Duration`](#duration) | How long the pipeline was queued before starting. |

spec/graphql/types/ci/job_artifact_type_spec.rb

@@ -4,7 +4,7 @@ require 'spec_helper'
 
 RSpec.describe GitlabSchema.types['CiJobArtifact'] do
   it 'has the correct fields' do
-    expected_fields = [:download_path, :file_type]
+    expected_fields = [:download_path, :file_type, :name]
 
     expect(described_class).to have_graphql_fields(*expected_fields)
   end

spec/graphql/types/ci/pipeline_type_spec.rb

@@ -12,7 +12,7 @@ RSpec.describe Types::Ci::PipelineType do
       id iid sha before_sha complete status detailed_status config_source
       duration queued_duration
       coverage created_at updated_at started_at finished_at committed_at
-      stages user retryable cancelable jobs source_job job downstream
+      stages user retryable cancelable jobs source_job job job_artifacts downstream
       upstream path project active user_permissions warnings commit commit_path uses_needs
       test_report_summary test_suite ref
     ]

spec/requests/api/graphql/ci/pipelines_spec.rb

@@ -186,6 +186,69 @@ RSpec.describe 'Query.project(fullPath).pipelines' do
     end
   end
 
+  describe '.job_artifacts' do
+    let_it_be(:pipeline) { create(:ci_pipeline, project: project) }
+    let_it_be(:pipeline_job_1) { create(:ci_build, pipeline: pipeline, name: 'Job 1') }
+    let_it_be(:pipeline_job_artifact_1) { create(:ci_job_artifact, job: pipeline_job_1) }
+    let_it_be(:pipeline_job_2) { create(:ci_build, pipeline: pipeline, name: 'Job 2') }
+    let_it_be(:pipeline_job_artifact_2) { create(:ci_job_artifact, job: pipeline_job_2) }
+
+    let(:path) { %i[project pipelines nodes jobArtifacts] }
+
+    let(:query) do
+      %(
+        query {
+          project(fullPath: "#{project.full_path}") {
+            pipelines {
+              nodes {
+                jobArtifacts {
+                  name
+                  downloadPath
+                  fileType
+                }
+              }
+            }
+          }
+        }
+      )
+    end
+
+    before do
+      post_graphql(query, current_user: user)
+    end
+
+    it_behaves_like 'a working graphql query'
+
+    it 'returns the job_artifacts of a pipeline' do
+      job_artifacts_graphql_data = graphql_data_at(*path).flatten
+
+      expect(
+        job_artifacts_graphql_data.map { |pip| pip['name'] }
+      ).to contain_exactly(pipeline_job_artifact_1.filename, pipeline_job_artifact_2.filename)
+    end
+
+    it 'avoids N+1 queries' do
+      first_user = create(:user)
+      second_user = create(:user)
+
+      control_count = ActiveRecord::QueryRecorder.new do
+        post_graphql(query, current_user: first_user)
+      end
+
+      pipeline_2 = create(:ci_pipeline, project: project)
+      pipeline_2_job_1 = create(:ci_build, pipeline: pipeline_2, name: 'Pipeline 2 Job 1')
+      create(:ci_job_artifact, job: pipeline_2_job_1)
+      pipeline_2_job_2 = create(:ci_build, pipeline: pipeline_2, name: 'Pipeline 2 Job 2')
+      create(:ci_job_artifact, job: pipeline_2_job_2)
+
+      expect do
+        post_graphql(query, current_user: second_user)
+      end.not_to exceed_query_limit(control_count)
+
+      expect(response).to have_gitlab_http_status(:ok)
+    end
+  end
+
   describe '.jobs(securityReportTypes)' do
     let_it_be(:query) do
       %(