Bring ProjectGroupLink model and migrations from EE

Signed-off-by: Dmitriy Zaporozhets <dmitriy.zaporozhets@gmail.com>

1 files changed, 36 insertions, 0 deletions

diff --git a/app/models/project_group_link.rb b/app/models/project_group_link.rb
new file mode 100644
index 00000000000..e52a6bd7c84
--- /dev/null
+++ b/app/models/project_group_link.rb
@@ -0,0 +1,36 @@
+class ProjectGroupLink < ActiveRecord::Base
+  GUEST     = 10
+  REPORTER  = 20
+  DEVELOPER = 30
+  MASTER    = 40
+
+  belongs_to :project
+  belongs_to :group
+
+  validates :project_id, presence: true
+  validates :group_id, presence: true
+  validates :group_id, uniqueness: { scope: [:project_id], message: "already shared with this group" }
+  validates :group_access, presence: true
+  validates :group_access, inclusion: { in: Gitlab::Access.values }, presence: true
+  validate :different_group
+
+  def self.access_options
+    Gitlab::Access.options
+  end
+
+  def self.default_access
+    DEVELOPER
+  end
+
+  def human_access
+    self.class.access_options.key(self.group_access)
+  end
+
+  private 
+
+  def different_group
+    if self.group && self.project && self.project.group == self.group
+      errors.add(:base, "Project cannot be shared with the project it is in.")
+    end
+  end
+end