fiedl/your_platform

module WorkflowKit
  class RemoveFromGroupBrick < Brick
    def name
      "Remove User from Group"
    end
    def description
      "Quit the membership of the user that is passed to this workflow as parameter " +
        "in the group that is passed to the workflow as parameter."
    end
    def execute( params )
      raise RuntimeError, 'no user_id given' unless params[ :user_id ]
      raise RuntimeError, 'no group_id given' unless params[ :group_id ]

      user = User.find( params[ :user_id ] )
      group = Group.find( params[ :group_id ] )

      membership = Membership.find_by( user: user, group: group )
      if membership
        if membership.direct?
          membership.invalidate at: 2.seconds.ago
        else
          membership.direct_memberships.each { |m| m.invalidate at: 2.seconds.ago }
        end
      end
    end
  end
end