Merge branch 'issue_19734' into 'master'

Project tools visibility level

## part of #19734   

![project_features_access_level](/uploads/81ec7185d4e61d7578652020209af925/project_features_access_level.png)

## Does this MR meet the acceptance criteria?

- [x] [CHANGELOG](https://gitlab.com/gitlab-org/gitlab-ce/blob/master/CHANGELOG) entry added
- [x] [Documentation created/updated](https://gitlab.com/gitlab-org/gitlab-ce/blob/master/doc/development/doc_styleguide.md)
- [x] API support added
- Tests
  - [x] Added for this feature/bug
  - [x] All builds are passing
- [x] Conform by the [style guides](https://gitlab.com/gitlab-org/gitlab-ce/blob/master/CONTRIBUTING.md#style-guides)
- [x] Branch has no merge conflicts with `master` (if you do - rebase it please)
- [x] [Squashed related commits together](https://git-scm.com/book/en/Git-Tools-Rewriting-History#Squashing-Commits)

See merge request !5606

1 files changed, 10 insertions, 2 deletions

diff --git a/lib/api/entities.rb b/lib/api/entities.rb
index cfe7a5ca2e1..3faba79415b 100644
--- a/lib/api/entities.rb
+++ b/lib/api/entities.rb
@@ -76,7 +76,15 @@ module API
       expose :owner, using: Entities::UserBasic, unless: ->(project, options) { project.group }
       expose :name, :name_with_namespace
       expose :path, :path_with_namespace
-      expose :issues_enabled, :merge_requests_enabled, :wiki_enabled, :builds_enabled, :snippets_enabled, :container_registry_enabled
+      expose :container_registry_enabled
+
+      # Expose old field names with the new permissions methods to keep API compatible
+      expose(:issues_enabled) { |project, options| project.feature_available?(:issues, options[:user]) }
+      expose(:merge_requests_enabled) { |project, options| project.feature_available?(:merge_requests, options[:user]) }
+      expose(:wiki_enabled) { |project, options| project.feature_available?(:wiki, options[:user]) }
+      expose(:builds_enabled) { |project, options| project.feature_available?(:builds, options[:user]) }
+      expose(:snippets_enabled) { |project, options| project.feature_available?(:snippets, options[:user]) }
+
       expose :created_at, :last_activity_at
       expose :shared_runners_enabled, :lfs_enabled
       expose :creator_id
@@ -84,7 +92,7 @@ module API
       expose :forked_from_project, using: Entities::BasicProjectDetails, if: lambda{ |project, options| project.forked? }
       expose :avatar_url
       expose :star_count, :forks_count
-      expose :open_issues_count, if: lambda { |project, options| project.issues_enabled? && project.default_issues_tracker? }
+      expose :open_issues_count, if: lambda { |project, options| project.feature_available?(:issues, options[:user]) && project.default_issues_tracker? }
       expose :runners_token, if: lambda { |_project, options| options[:user_can_admin_project] }
       expose :public_builds
       expose :shared_with_groups do |project, options|