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class Domain < ActiveRecord::Base
validate :domain_ownership
def domain_ownership
# non-TLD validation
errors[:name] = "cannot be a TLD or a reserved domain" if Tld.include?(name)
# If parent domain is on our system, the user be permitted to manage current domain.
# He either owns parent, or is permitted to current domain or to an ancestor.
if parent_domain.present? && !parent_domain.can_be_managed_by_current_user?
@domain_ownership_failed = true
errors[:name] = "issue, the parent domain `#{parent_domain.name}` is registered to another user"
end
end
# If current user present authorize it
# If current user not present, just allow (rake tasks etc)
def can_be_managed_by_current_user?
return true if User.current.nil?
Ability::CRUD.all?{|operation| User.current.can?(operation, self)}
end
before_save do
self.name_reversed = name.reverse if name_changed?
end
# Returns the first immediate parent, if exists (and caches the search)
def parent_domain
return nil if name.nil?
@parent_domain ||= {}
@parent_domain[name] ||= _parent_domain
end
def subdomains
Domain.where(:name_reversed.matches => "#{name_reversed}.%")
end
protected
# Returns the first immediate parent, if exists (does not cache the search)
# For example "sub.sub.domain.com"'s parent might be "sub.domain.com" or "domain.com"
def _parent_domain
segments = name.split('.')
while segments.size > 1
segments.shift
domain = Domain.find_by_name(segments.join('.'))
return domain if domain.present?
end
return nil
end
end