delba

gem 'paranoia'

delba

class Post < ActiveRecord::Base
  has_many :comments
  default_scope { where(public: true) }
end

class Comment < ActiveRecord::Base
  belongs_to :post
  default_scope { where(deleted_at: nil) }
  
  def self.with_deleted

delba

class Person
  def greet(name)
    "Hello, #{name}!"
  end
end
Person.instance_method(:greet).bind(Object.new)["World"] 
#=> TypeError: bind argument must be an instance of Person

module Greeter
  def greet(name)

delba

values = [1, 2, 3, 4, 5]

values.inject(&:+) #=> 15
values.inject(10, &:+) #=> 25

values.map &1.method(:+) #=> [2, 3, 4, 5, 6]

class String
  def translate(word)
    "#{word} => #{self}" 

delba

class Article < ActiveRecord::Base
  def self.no_limit
    all.tap do |rel|
      logger.info rel.values #=> {:limit => 20}
      rel.limit = nil
    end
  end
end

class ArticlesController < ApplicationController

delba

class Article < ActiveRecord::Base
  extend Pagination

  self.per_page = 20
end

# Article.page(params[:page])
# Article.page(params[:page]).per_page(params[:per_page])
# Article.paginate(page: params[:page], per_page: params[:per_page])

delba

DB_FILE = 'tmp/test_db'

FileUtils.mkdir_p File.dirname(DB_FILE)
FileUtils.rm_f DB_FILE

ActiveRecord::Base.establish_connection adapter: 'sqlite3', database: DB_FILE

ActiveRecord::Migration.class_exec do
  self.verbose = false
  

delba

require 'rake/testtask'
require 'bundler'

Bundler::GemHelper.install_tasks

tasks default: [:test]

Rake::TestTask.new do |task|
  task.pattern = 'test/*_test.rb'
end

delba

dependent_associations = Article.reflect_on_all_associations.select do |association|
  association.options.has_key?(:dependent)
end

delba

require 'task/testtask'
require 'rake/clean'

task default: [:test]

Rake::TestTask.new do |task|
  task.pattern = "test/*_test.rb"
end

CLEAN.include 'tmp'