arturictus

# In not working!!
# Validations are added, but errors are not in the errors list after valid
module AddChildValidations
  extend ActiveSupport::Concern

  class_methods do
    # Example:
    # class User < ActiveRecord::Base
    #   has_one :address
    #   add_child_validations_for :address do

arturictus

class Array
  # find_map
  # example:
  #    [nil, 'hello  '].find_map |n|
  #      n.try(:strip)
  #    end => 'hello'
  def find_map(&block)
    result = nil
    self.each do |q|
      result = yield(q)

arturictus

# &&
'hello' unless true && false
#=> "hello"
'hello' unless false && true
#=> "hello"
'hello' unless false && false
#=> "hello"

'hello' unless true && true
#=> nil

arturictus

class Hash
  # merge_present
  # examples:
  #    {hello: ''}.merge_present(hello: 'sd') #=> {hello: 'sd'}
  #
  #    {hello: nil}.merge_present(hello: '') #=> {}
  #
  def merge_present(other_hash)
    mapped = self.map do |k, v|
      if v.blank?

arturictus

Example with translations:

{
  "response": [
    {
      "type":"text",
      "message":{
        "translation": {
 "en":"do you need and hotel?",

arturictus

if("hello") "hello";
"hello"
if(0) "hello";
undefined
if('') "hello";
undefined
if(1) "hello";
"hello"