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# File 'lib/attr_remote.rb', line 12
def attr_remote(*remote_attrs)
remote_class = "Remote#{self.to_s}"
remote_instance_meth = remote_class.underscore
remote_instance_id = remote_class.foreign_key
remote_attributes.concat(remote_attrs).uniq!
class_eval <<-remote_access, __FILE__, __LINE__+1
# def remote_user
# if @remote_user
# @remote_user
# elsif self.remote_user_id
# @remote_user = RemoteUser.find(self.remote_user_id) rescue nil
# else
# nil
# end
# end
def #{remote_instance_meth}
if @#{remote_instance_meth}
@#{remote_instance_meth}
elsif self.#{remote_instance_id}
@#{remote_instance_meth} = #{remote_class}.find(self.#{remote_instance_id}) rescue nil
else
nil
end
end
# before_create :create_remote_user
before_create :create_#{remote_instance_meth}
# def create_remote_user
# unless self.remote_user_id
# remote_hash = {}
# self.class.remote_attributes.each do |attr|
# remote_hash[attr.to_sym] = self.send(attr.to_sym)
# end
# remote_hash[:validate_only] = true if validate_only
# @remote_user = RemoteUser.create(remote_hash)
#
# unless @remote_user.valid?
# @remote_user.errors.each do |attr, err|
# errors.add(attr, err)
# end
# return false
# else
# self.remote_user_id = @remote_user.id
# end
# end
# end
def create_#{remote_instance_meth}
unless self.#{remote_instance_id}
remote_hash = {}
self.class.remote_attributes.each do |attr|
remote_hash[attr.to_sym] = self.send(attr.to_sym)
end
@#{remote_instance_meth} = #{remote_class}.create(remote_hash)
unless @#{remote_instance_meth}.valid?
@#{remote_instance_meth}.errors.each do |attr, err|
errors.add(attr, err)
end
return false
else
self.#{remote_instance_id} = @#{remote_instance_meth}.id
end
end
end
private :create_#{remote_instance_meth}
# validate_on_create :validate_remote_user_on_create
validate_on_create :validate_#{remote_instance_meth}_on_create
# def validate_remote_user_on_create; end
def validate_#{remote_instance_meth}_on_create; end
# before_update :update_remote_user
before_update :update_#{remote_instance_meth}
# def update_remote_user
# if self.remote_user_id and self.remote_attributes_changed?
# remote_hash = {}
# self.class.remote_attributes.each do |attr|
# remote_hash[attr.to_sym] = self.send(attr.to_sym)
# end
# remote_user.load(remote_hash)
# remote_user.save
#
# unless @#{remote_instance_meth}.valid?
# remote_user.errors.each do |attr, err|
# errors.add(attr, err)
# end
# return false
# else
# @remote_attributes_changed = false
# return true
# end
# end
# end
def update_#{remote_instance_meth}
if self.#{remote_instance_id} and self.remote_attributes_changed?
remote_hash = {}
self.class.remote_attributes.each do |attr|
remote_hash[attr.to_sym] = self.send(attr.to_sym)
end
#{remote_instance_meth}.load(remote_hash)
#{remote_instance_meth}.save
unless @#{remote_instance_meth}.valid?
#{remote_instance_meth}.errors.each do |attr, err|
errors.add(attr, err)
end
return false
else
@remote_attributes_changed = false
return true
end
end
end
private :update_#{remote_instance_meth}
# validate_on_update :validate_remote_user_on_update
validate_on_update :validate_#{remote_instance_meth}_on_update
# def validate_remote_user_on_update; end
def validate_#{remote_instance_meth}_on_update; end
remote_access
remote_attributes.each do |attr|
class_eval <<-remote_attribute, __FILE__, __LINE__+1
def #{attr} # def username
remote_#{attr} || '' # remote_username || ''
end # end
def remote_#{attr} # def remote_username
if @#{attr} # if @username
@#{attr} # @username
elsif self.#{remote_instance_meth} # elsif self.remote_user
@#{attr} = self. # @username = self.
#{remote_instance_meth}. # remote_user.
#{attr} rescue nil # username rescue nil
else # else
nil # nil
end # end
end # end
def #{attr}=(attr_value) # def username=(attr_value)
@#{attr} = attr_value # @username = attr_value
@remote_attributes_changed = true # @remote_attributes_changed = true
end # end
remote_attribute
end
end
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