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# File 'lib/friendly_id/datamapper_adapter/slugged_model.rb', line 11
def self.included(base)
base.class_eval do
has n, :slugs,
:model => ::Slug,
:child_key => [:sluggable_id],
:conditions => { :sluggable_type => base },
:order => [:id.desc]
before :save do
begin
build_slug if new_slug_needed?
method = friendly_id_config.method
rescue FriendlyId::BlankError
@errors ||= ValidationErrors.new
@errors[method] = "can't be blank"
throw :halt, false
rescue FriendlyId::ReservedError
@errors ||= ValidationErrors.new
@errors[method] = "is reserved"
throw :halt, false
end
end
after(:save) do
throw :halt, false if friendly_id_config.allow_nil? && !slug
slug.sluggable_id = id
slug.save
set_slug_cache
end
after :update, :update_scope
after :update, :update_dependent_scopes
before(:destroy) do
slugs.destroy!
end
end
base.class_eval <<-RUBY, __FILE__, __LINE__ + 1
def self.get(*key)
options = key.extract_options!
if key.size == 1
return super if key.first.is_a?(Array) || key.first.unfriendly_id?
name, sequence = key.first.to_s.parse_friendly_id
if !friendly_id_config.scope? && friendly_id_config.cache_column?
result = self.first(friendly_id_config.cache_column => key.first)
end
conditions = {
slugs.name => name,
slugs.sequence => sequence
}
conditions.merge!({
slugs.scope => (options[:scope].to_param if options[:scope] && options[:scope].respond_to?(:to_param))
}) if friendly_id_config.scope?
result ||= self.first(conditions)
return super unless result
result.friendly_id_status.name = name
result.friendly_id_status.sequence = sequence
result
else
super
end
end
def self.get!(*key)
return super unless friendly_id_config.scope?
result = get(*key)
if result
result
else
options = key.extract_options!
scope = options[:scope]
message = "Could not find \#{self.name} with key \#{key.inspect}"
message << " and scope \#{scope.inspect}" if scope
message << ". Scope expected but none given." unless scope
raise(::DataMapper::ObjectNotFoundError, message)
end
end
RUBY
end
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