Module: Zena::Remote::Interface::Update::InstanceMethods

Included in:
InstanceMethods
Defined in:
lib/zena/remote/interface.rb

Overview

Used by instance.find(…)

Instance Method Summary collapse

Instance Method Details

#create_url ⇒ Object 



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# File 'lib/zena/remote/interface.rb', line 246

def create_url
  "/nodes"
end

#new_record? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/zena/remote/interface.rb', line 305

def new_record?
  id.nil?
end

#node_url ⇒ Object 



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# File 'lib/zena/remote/interface.rb', line 242

def node_url
  "/nodes/#{id}"
end

#put(*args) ⇒ Object 



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# File 'lib/zena/remote/interface.rb', line 250

def put(*args)
  @connection.put(*args)
end

#save ⇒ Object 



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# File 'lib/zena/remote/interface.rb', line 274

def save
  if new_record?
    result = post(create_url, :body => {:node => @attributes})
  else
    result = put(update_url, :body => {:node => @attributes})
  end

  if result.response.code =~ /^20\d$/
    if node = result['node']
      @attributes = node
      node
    elsif errors = result['errors']
      @errors = errors
      log_message errors.inspect
      false
    else
      log_message "Could not save:"
      log_message result.inspect
      false
    end
  elsif errors = result['errors']
    log_message "Could not save:"
    log_message errors.inspect
    false
  else
    log_message "Could not save:"
    log_message result.inspect
    false
  end
end

#save! ⇒ Object 



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# File 'lib/zena/remote/interface.rb', line 309

def save!
  if !save
    raise Exception.new("Could not save.")
  end
end

#update_attributes(new_attributes) ⇒ Object 



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# File 'lib/zena/remote/interface.rb', line 254

def update_attributes(new_attributes)
  saved_attributes = @attributes.dup
  self.attributes = new_attributes
  if save
    logger.info "-\n"
    logger.info "  %-10s: %s" % ['operation', 'update']
    logger.info "  %-10s: %s" % ['timestamp', Time.now]
    logger.info "  %-10s: %i" % ['node_id', id]
    logger.info "  changes:"
    @attributes.keys.each do |key|
      next if saved_attributes[key] == @attributes[key]
      logger.info "    #{key}:"
      logger.info "      old: #{saved_attributes[key].inspect}"
      logger.info "      new: #{@attributes[key].inspect}"
    end
  else
    false
  end
end

#update_url ⇒ Object 



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# File 'lib/zena/remote/interface.rb', line 238

def update_url
  node_url
end