SpeciesFileGroup/taxonworks

# A ProjectMember is the link between projects and users.
#
# @!attribute project_id
#   @return [Integer]
#   the project ID
#
# @!attribute user_id
#   @return [Integer]
#     the user
#
# @!attribute is_project_administrator
#   @return [Boolean]
#    whether the user is a project administrator
#
class ProjectMember < ApplicationRecord
  include Housekeeping::Users
  include Housekeeping::Timestamps
  include Shared::IsData

  belongs_to :project, inverse_of: :project_members
  belongs_to :user, inverse_of: :project_members

  validates :project, presence: true
  validates :user, presence: true
  validates_uniqueness_of :user_id, scope: [:project_id], message: 'is already a member of project'
  validate :clipboard_slots

  protected

  def clipboard_slots
    errors.add(:clipboard, 'slot is not legal') if clipboard.keys - %w{1 2 3 4 5} != []
  end

end