artemv’s gists

artemv / nested_attributes_uniqueness_validator.rb

Last active May 21, 2022 13:28

Uniqueness validator for has_many associated items with accepts_nested_attributes_for

	class NestedAttributesUniquenessValidator < ActiveModel::EachValidator
	def validate_each(record, attribute, value)
	value = value.reject(&:_destroy) # let's ignore the items to be destroyed here
	unless value.map(&options[:field]).uniq.size == value.size
	record.errors[attribute] << "must be unique"
	duplicates = value - Hash[value.map{\|obj\| [obj[options[:field]], obj]}].values
	duplicates.each { \|obj\| obj.errors[options[:field]] << "has already been taken" }
	end
	end
	end

artemv / decode_session_cookie.rb

Last active June 14, 2019 20:41 — forked from pdfrod/decode_session_cookie.rb

A simple script to decode Rails 4 session cookies

	require 'rubygems'
	require 'cgi'
	require 'active_support'
	require 'action_controller'

	def decrypt_session_cookie(cookie, key)
	cookie = CGI::unescape(cookie)

	# Default values for Rails 5 apps
	key_iter_num = 1000

artemv / capybara cheat sheet

Last active August 9, 2017 19:46 — forked from zhengjia/capybara cheat sheet

capybara cheat sheet

	=Navigating=
	visit('/projects')
	visit(post_comments_path(post))

	=Clicking links and buttons=
	click_link('id-of-link')
	click_link('Link Text')
	click_button('Save')
	click('Link Text') # Click either a link or a button
	click('Button Value')

artemv / migrate_file_uploads_from_database_to_amazon_in_rails.rake

Last active July 6, 2018 14:08

Migrate file uploads from database to Amazon S3 in Rails

	task migrate_file_uploads_from_database_to_amazon: :environment do
	Document.find_each do \|d\| # Document is our ActiveRecord model containing the `data` binary column (bytea Postgres type)
	next if ENV['ID'] && d.id.to_s != ENV['ID'] # be able to say `ID=225 rake migrate_file_uploads_from_database_to_amazon` to process single record
	next unless d.data # d.data is a binary column we were storing files at
	print d.id

	dir = "tmp/#{d.id}"

	Dir.mkdir(dir) unless Dir.exist?(dir)

artemv / sample.csv

Created March 28, 2019 11:45 — forked from RobVanGroenewoud/sample.csv

Sample CSV file with header row

artemv / landing-en.html

Created August 7, 2019 12:12

	<html lang="en">
	<head>
	<meta charset="utf-8">

	<title>Tamedia</title>
	<meta name="description" content="Tamedia Landing page">
	<link rel="stylesheet" href="https://stackpath.bootstrapcdn.com/bootstrap/4.3.1/css/bootstrap.min.css" integrity="sha384-ggOyR0iXCbMQv3Xipma34MD+dH/1fQ784/j6cY/iJTQUOhcWr7x9JvoRxT2MZw1T" crossorigin="anonymous">
	<script src="https://code.jquery.com/jquery-3.3.1.slim.min.js" integrity="sha384-q8i/X+965DzO0rT7abK41JStQIAqVgRVzpbzo5smXKp4YfRvH+8abtTE1Pi6jizo" crossorigin="anonymous"></script>
	<script src="https://cdnjs.cloudflare.com/ajax/libs/popper.js/1.14.3/umd/popper.min.js" integrity="sha384-ZMP7rVo3mIykV+2+9J3UJ46jBk0WLaUAdn689aCwoqbBJiSnjAK/l8WvCWPIPm49" crossorigin="anonymous"></script>
	<script src="https://stackpath.bootstrapcdn.com/bootstrap/4.1.3/js/bootstrap.min.js" integrity="sha384-ChfqqxuZUCnJSK3+MXmPNIyE6ZbWh2IMqE241rYiqJxyMiZ6OW/JmZQ5stwEULTy" crossorigin="anonymous"></script>

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