Add keep_latest_artifact to project REST API

doc/api/projects.md

@@ -1378,6 +1378,7 @@ PUT /projects/:id
 | `wiki_enabled`                                              | boolean        | **{dotted-circle}** No | _(Deprecated)_ Enable wiki for this project. Use `wiki_access_level` instead. |
 | `issues_template` **(PREMIUM)**                             | string         | **{dotted-circle}** No | Default description for Issues. Description is parsed with GitLab Flavored Markdown. See [Templates for issues and merge requests](#templates-for-issues-and-merge-requests). |
 | `merge_requests_template` **(PREMIUM)**                     | string         | **{dotted-circle}** No | Default description for Merge Requests. Description is parsed with GitLab Flavored Markdown. See [Templates for issues and merge requests](#templates-for-issues-and-merge-requests). |
+| `keep_latest_artifact`                                      | boolean        | **{dotted-circle}** No | Disable or enable the ability to keep the latest artifact for this project. |
 
 ## Fork project
 

lib/api/entities/project.rb

@@ -128,6 +128,7 @@ module API
       expose :repository_storage, if: ->(project, options) {
         Ability.allowed?(options[:current_user], :change_repository_storage, project)
       }
+      expose :keep_latest_artifacts_available?, as: :keep_latest_artifact
 
       # rubocop: disable CodeReuse/ActiveRecord
       def self.preload_relation(projects_relation, options = {})

lib/api/helpers/projects_helpers.rb

@@ -16,6 +16,7 @@ module API
         optional :build_coverage_regex, type: String, desc: 'Test coverage parsing'
         optional :ci_config_path, type: String, desc: 'The path to CI config file. Defaults to `.gitlab-ci.yml`'
         optional :service_desk_enabled, type: Boolean, desc: 'Disable or enable the service desk'
+        optional :keep_latest_artifact, type: Boolean, desc: 'Indicates if the latest artifact should be kept for this project.'
 
         # TODO: remove in API v5, replaced by *_access_level
         optional :issues_enabled, type: Boolean, desc: 'Flag indication if the issue tracker is enabled'
@@ -156,6 +157,7 @@ module API
           :compliance_framework_setting,
           :packages_enabled,
           :service_desk_enabled,
+          :keep_latest_artifact,
 
           # TODO: remove in API v5, replaced by *_access_level
           :issues_enabled,

spec/requests/api/project_attributes.yml

@@ -87,7 +87,6 @@ ci_cd_settings:
     - id
     - project_id
     - group_runners_enabled
-    - keep_latest_artifact
     - merge_pipelines_enabled
     - merge_trains_enabled
     - auto_rollback_enabled

spec/requests/api/projects_spec.rb

@@ -2110,6 +2110,7 @@ RSpec.describe API::Projects do
         expect(json_response['squash_option']).to eq(project.squash_option.to_s)
         expect(json_response['readme_url']).to eq(project.readme_url)
         expect(json_response).to have_key 'packages_enabled'
+        expect(json_response['keep_latest_artifact']).to be_present
       end
 
       it 'returns a group link with expiration date' do
@@ -3300,6 +3301,24 @@ RSpec.describe API::Projects do
         expect { subject }.to change { project.reload.service_desk_enabled }.to(true)
       end
     end
+
+    context 'when updating keep latest artifact' do
+      subject { put(api("/projects/#{project.id}", user), params: { keep_latest_artifact: true }) }
+
+      before do
+        project.update!(keep_latest_artifact: false)
+      end
+
+      it 'returns 200' do
+        subject
+
+        expect(response).to have_gitlab_http_status(:ok)
+      end
+
+      it 'enables keep_latest_artifact' do
+        expect { subject }.to change { project.reload.keep_latest_artifact }.to(true)
+      end
+    end
   end
 
   describe 'POST /projects/:id/archive' do