foodsoft/app/models/workgroup.rb
2013-09-05 10:16:57 +02:00

30 lines
934 B
Ruby

# encoding: utf-8
class Workgroup < Group
has_many :tasks
# returns all non-finished tasks
has_many :open_tasks, :class_name => 'Task', :conditions => ['done = ?', false], order: 'due_date ASC, name ASC'
validates_uniqueness_of :name
validate :last_admin_on_earth, :on => :update
before_destroy :check_last_admin_group
protected
# Check before destroy a group, if this is the last group with admin role
def check_last_admin_group
if role_admin && Workgroup.where(:role_admin => true).size == 1
raise I18n.t('workgroups.error_last_admin_group')
end
end
# add validation check on update
# Return an error if this is the last group with admin role and role_admin should set to false
def last_admin_on_earth
if !role_admin && !Workgroup.where('role_admin = ? AND id != ?', true, id).exists?
errors.add(:role_admin, I18n.t('workgroups.error_last_admin_role'))
end
end
end