Keep entities the same for API v3

lib/api/v3/entities.rb

@@ -205,6 +205,149 @@ module API
         expose :runner, with: ::API::Entities::Runner
         expose :pipeline, with: ::API::Entities::PipelineBasic
       end
+
+      class BuildArtifactFile < Grape::Entity
+        expose :filename, :size
+      end
+
+      class EnvironmentBasic < Grape::Entity
+        expose :id, :name, :slug, :external_url
+      end
+
+      class Environment < EnvironmentBasic
+        expose :project, using: Entities::Project
+      end
+
+      class Deployment < Grape::Entity
+        expose :id, :iid, :ref, :sha, :created_at
+        expose :user,        using: Entities::UserBasic
+        expose :environment, using: Entities::EnvironmentBasic
+        expose :deployable,  using: Entities::Build
+      end
+
+      class Group < Grape::Entity
+        expose :id, :name, :path, :description, :visibility_level
+        expose :lfs_enabled?, as: :lfs_enabled
+        expose :avatar_url
+        expose :web_url
+        expose :request_access_enabled
+        expose :statistics, if: :statistics do
+          with_options format_with: -> (value) { value.to_i } do
+            expose :storage_size
+            expose :repository_size
+            expose :lfs_objects_size
+            expose :build_artifacts_size
+          end
+        end
+      end
+
+      class GroupDetail < Group
+        expose :projects, using: Entities::Project
+        expose :shared_projects, using: Entities::Project
+      end
+
+      class MergeRequest < ProjectEntity
+        expose :target_branch, :source_branch
+        expose :upvotes, :downvotes
+        expose :author, :assignee, using: Entities::UserBasic
+        expose :source_project_id, :target_project_id
+        expose :label_names, as: :labels
+        expose :work_in_progress?, as: :work_in_progress
+        expose :milestone, using: Entities::Milestone
+        expose :merge_when_build_succeeds
+        expose :merge_status
+        expose :diff_head_sha, as: :sha
+        expose :merge_commit_sha
+        expose :subscribed do |merge_request, options|
+          merge_request.subscribed?(options[:current_user], options[:project])
+        end
+        expose :user_notes_count
+        expose :should_remove_source_branch?, as: :should_remove_source_branch
+        expose :force_remove_source_branch?, as: :force_remove_source_branch
+        expose :web_url do |merge_request, options|
+          Gitlab::UrlBuilder.build(merge_request)
+        end
+      end
+
+      class MergeRequestChanges < MergeRequest
+        expose :diffs, as: :changes, using: Entities::RepoDiff do |compare, _|
+          compare.raw_diffs(all_diffs: true).to_a
+        end
+      end
+
+      class Project < Grape::Entity
+        expose :id, :description, :default_branch, :tag_list
+        expose :public?, as: :public
+        expose :archived?, as: :archived
+        expose :visibility_level, :ssh_url_to_repo, :http_url_to_repo, :web_url
+        expose :owner, using: Entities::UserBasic, unless: ->(project, options) { project.group }
+        expose :name, :name_with_namespace
+        expose :path, :path_with_namespace
+        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[:current_user]) }
+        expose(:merge_requests_enabled) { |project, options| project.feature_available?(:merge_requests, options[:current_user]) }
+        expose(:wiki_enabled) { |project, options| project.feature_available?(:wiki, options[:current_user]) }
+        expose(:builds_enabled) { |project, options| project.feature_available?(:builds, options[:current_user]) }
+        expose(:snippets_enabled) { |project, options| project.feature_available?(:snippets, options[:current_user]) }
+        expose :created_at, :last_activity_at
+        expose :shared_runners_enabled
+        expose :lfs_enabled?, as: :lfs_enabled
+        expose :creator_id
+        expose :namespace, using: 'API::Entities::Namespace'
+        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.feature_available?(:issues, options[:current_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|
+          SharedGroup.represent(project.project_group_links.all, options)
+        end
+        expose :only_allow_merge_if_build_succeeds
+        expose :request_access_enabled
+        expose :only_allow_merge_if_all_discussions_are_resolved
+        expose :statistics, using: 'API::Entities::ProjectStatistics', if: :statistics
+      end
+
+      class ProjectStatistics < Grape::Entity
+        expose :commit_count
+        expose :storage_size
+        expose :repository_size
+        expose :lfs_objects_size
+        expose :build_artifacts_size
+      end
+
+      class ProjectService < Grape::Entity
+        expose :id, :title, :created_at, :updated_at, :active
+        expose :push_events, :issues_events, :merge_requests_events
+        expose :tag_push_events, :note_events, :build_events, :pipeline_events
+        # Expose serialized properties
+        expose :properties do |service, options|
+          field_names = service.fields.
+            select { |field| options[:include_passwords] || field[:type] != 'password' }.
+            map { |field| field[:name] }
+          service.properties.slice(*field_names)
+        end
+      end
+
+      class ProjectHook < Hook
+        expose :project_id, :issues_events, :merge_requests_events
+        expose :note_events, :build_events, :pipeline_events, :wiki_page_events
+      end
+
+      class ProjectWithAccess < Project
+        expose :permissions do
+          expose :project_access, using: Entities::ProjectAccess do |project, options|
+            project.project_members.find_by(user_id: options[:current_user].id)
+          end
+          expose :group_access, using: Entities::GroupAccess do |project, options|
+            if project.group
+              project.group.group_members.find_by(user_id: options[:current_user].id)
+            end
+          end
+        end
+      end
     end
   end
 end