New AccessRequests API endpoints for Group & Project

Also, mutualize AccessRequests and Members endpoints for Group &
Project.
New API documentation for the AccessRequests endpoints.

Signed-off-by: Rémy Coutable <remy@rymai.me>

3 files changed, 8 insertions, 2 deletions

diff --git a/app/models/members/project_member.rb b/app/models/members/project_member.rb
index f176feddbad..18e97c969d7 100644
--- a/app/models/members/project_member.rb
+++ b/app/models/members/project_member.rb
@@ -8,6 +8,7 @@ class ProjectMember < Member
   # Make sure project member points only to project as it source
   default_value_for :source_type, SOURCE_TYPE
   validates_format_of :source_type, with: /\AProject\z/
+  validates :access_level, inclusion: { in: Gitlab::Access.values }
   default_scope { where(source_type: SOURCE_TYPE) }
 
   scope :in_project, ->(project) { where(source_id: project.id) }
diff --git a/app/models/project.rb b/app/models/project.rb
index 3b1a53edc75..e0b28160937 100644
--- a/app/models/project.rb
+++ b/app/models/project.rb
@@ -999,6 +999,10 @@ class Project < ActiveRecord::Base
     project_members.find_by(user_id: user)
   end
 
+  def add_user(user, access_level, current_user = nil)
+    team.add_user(user, access_level, current_user)
+  end
+
   def default_branch
     @default_branch ||= repository.root_ref if repository.exists?
   end
diff --git a/app/services/members/destroy_service.rb b/app/services/members/destroy_service.rb
index 15358f80208..9e3f6af628d 100644
--- a/app/services/members/destroy_service.rb
+++ b/app/services/members/destroy_service.rb
@@ -2,8 +2,9 @@ module Members
   class DestroyService < BaseService
     attr_accessor :member, :current_user
 
-    def initialize(member, user)
-      @member, @current_user = member, user
+    def initialize(member, current_user)
+      @member = member
+      @current_user = current_user
     end
 
     def execute