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#!/usr/bin/env ruby

db_name = ARGV.first
raise ArgumentError, 'No database name given' if db_name.nil?

require 'db_schema'
require 'db_schema/reader/postgres'

db = Sequel.connect(adapter: 'postgres', database: db_name) do |db|
  db.extension :pg_enum

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(defn find-tag [tag nodes]
  (->> nodes
       (filter #(= (:tag %) tag))
       first))

(defn tag-content [tag nodes]
  (-> (find-tag tag nodes)
      :content
      first))

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module Enumerable
  def my_each_slice(num, &block)
    offset = 0
    while offset < count
      yield self.to_a[offset, num]
      offset += num
    end
  end
end

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chars = ('A'..'Z').to_a + ('a'..'z').to_a + ('0'..'9').to_a
40.times.map { chars.sample }.join

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require 'nokogiri'
require 'faraday'

def urls_valid?(file_path)
  doc = Nokogiri::XML(File.read(file_path))
  urls = doc.css('loc').map { |loc| loc.children.first.text }

  urls.all? do |url|
    Faraday.head(url).status == 200
  end

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#!/usr/bin/env ruby

require 'sinatra'
require 'oj'

Oj.default_options = {
  mode: :compat
}

post '/client/v4/zones/:zone_id/purge_cache' do

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guard :rspec, cmd: 'bundle exec rspec' do
  require 'guard/rspec/dsl'
  dsl = Guard::RSpec::Dsl.new(self)

  rspec = dsl.rspec
  watch(rspec.spec_helper)  { rspec.spec_dir }
  watch(rspec.spec_support) { rspec.spec_dir }
  watch(rspec.spec_files)

  dsl.watch_spec_files_for(%r{apps/(.*)\.rb})

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def generate_password(length: 20)
  chars = ('A'..'Z').to_a + ('a'..'z').to_a + ('0'..'9').to_a
  length.times.map { chars.sample }.join
end

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;; Macros

(defmacro unless-else
  [cond if-true if-false]
  (list 'if cond if-false if-true))

(macroexpand '(unless-else false (println "false") (println "true")))
;;=> (if false (println "true") (println "false"))

(unless-else false (println "false") (println "true"))

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def post_author(properties_or_obj = {})
  # Теперь пользователь может передать свой объект или просто хэш с параметрами
  author = if properties_or_obj.respond_to?(:author)
    properties_or_obj.to_author
  else
    properties_or_obj
  end
  
  raise ArgumentError unless author.is_a?(Hash)