Airrecord Patches

airrecord_table_utilities.rb

module AirrecordTableUtilities
  def self.included base
    base.extend ClassMethods
    base.include InstanceMethods
  end

  module ClassMethods
    def map_field(method_name, field_name)
      define_method method_name do
        self[field_name]
      end
      
      define_method "#{method_name.to_s}=" do |new_value|
        self[field_name] = new_value
      end
    end

    def new_from_mapped_fields(fields)
      record = self.new({})
      fields.each do |field_name, new_value|
        record.send("#{field_name.to_s}=", new_value)
      end
      record
    end
  end

  module InstanceMethods
    def set_from_mapped_fields(fields)
      fields.each do |field_name, new_value|
        self.send("#{field_name.to_s}=", new_value)
      end
    end

    def changed?
      !self.updated_keys.empty?
    end
  end
end

Airrecord::Table.include AirrecordTableUtilities

example_classes.rb

class Member < Airrecord::Table
  self.table = 'Members'
  
  map_field :full_name, 'Full Name'
end

class MeController < ApplicationController
  def show
    @member = Member.find(session[:user_record])
  end

  def update_profile
    member = Member.find(session[:user_record])

    member.set_from_mapped_fields(params[:member])

    if member.changed?
      flash[:success] = "Updated your records!"
    else
      flash[:notice] = "No changes detected."
    end
    
    member.save

    redirect_to action: "show"
  end
end

show.html.erb

<h2>Member Info</h2>
<%= form_tag(controller: 'me', action: 'update_profile') do %>
  <p><%= label(:member, :full_name, 'Full Name') %>: 
    <%= text_field(:member, :full_name) %> 
  </p>
  <p><%= button_tag 'Save Changes' %>
  </p>
<% end %>