foodsoft/app/models/group.rb
2011-06-10 01:36:04 +02:00

81 lines
2.9 KiB
Ruby

# Groups organize the User.
# A Member gets the roles from the Group
class Group < ActiveRecord::Base
has_many :memberships, :dependent => :destroy
has_many :users, :through => :memberships
validates :name, :presence => true, :length => {:in => 1..25}, :uniqueness => true
validate :last_admin_on_earth, :on => :update
before_destroy :check_last_admin_group
attr_reader :user_tokens
# Returns true if the given user if is an member of this group.
def member?(user)
memberships.find_by_user_id(user.id)
end
# Returns all NONmembers and a checks for possible multiple Ordergroup-Memberships
def non_members
User.all(:order => 'nick').reject { |u| users.include?(u) }
end
def user_tokens=(ids)
self.user_ids = ids.split(",")
end
protected
# Check before destroy a group, if this is the last group with admin role
def check_last_admin_group
if self.role_admin == true && Group.find_all_by_role_admin(true).size == 1
raise "Die letzte Gruppe mit Admin-Rechten darf nicht gelöscht werden"
end
end
# validates uniqueness of the Group.name. Checks groups and ordergroups
def validate
errors.add(:name, "ist schon vergeben") if (group = Group.find_by_name(name) || group = Ordergroup.find_by_name(name)) && self != group
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 self.role_admin == false && Group.find_all_by_role_admin(true).size == 1 && self == Group.find(:first, :conditions => "role_admin = 1")
errors.add(:role_admin, "Der letzten Gruppe mit Admin-Rechten darf die Admin-Rolle nicht entzogen werden")
end
end
end
# == Schema Information
#
# Table name: groups
#
# id :integer(4) not null, primary key
# type :string(255) default(""), not null
# name :string(255) default(""), not null
# description :string(255)
# account_balance :decimal(8, 2) default(0.0), not null
# account_updated :datetime
# created_on :datetime not null
# role_admin :boolean(1) default(FALSE), not null
# role_suppliers :boolean(1) default(FALSE), not null
# role_article_meta :boolean(1) default(FALSE), not null
# role_finance :boolean(1) default(FALSE), not null
# role_orders :boolean(1) default(FALSE), not null
# weekly_task :boolean(1) default(FALSE)
# weekday :integer(4)
# task_name :string(255)
# task_description :string(255)
# task_required_users :integer(4) default(1)
# deleted_at :datetime
# contact_person :string(255)
# contact_phone :string(255)
# contact_address :string(255)
# stats :text
# task_duration :integer(4) default(1)
#