concerns

module EmailNormalization
  extend ActiveSupport::Concern

  included do
    attr_accessor :soft_warnings

module Paginatable
  extend ActiveSupport::Concern

  MAX_PER_PAGE = 100
  DEFAULT_PER_PAGE = 25

module LayoutlessTurboFrame
  extend ActiveSupport::Concern

  included do
    layout :layout_for_turbo
  end

# Simple mixin
module Loggable
  def log(message)
    puts "[#{Time.now}] #{self.class.name}: #{message}"
  end
end

module ExistenceChecks
  extend ActiveSupport::Concern

  class_methods do
    def has_any?(conditions = {})
      relation = conditions.present? ? where(conditions) : all

module ConditionalGet
  extend ActiveSupport::Concern

  private

  def render_conditional(resource, extra: nil)

class CacheNamespace
  attr_reader :name

  def initialize(name, store: Rails.cache)
    @name = name.to_s
    @store = store

module Paginatable
  extend ActiveSupport::Concern

  included do
    before_action :set_pagination_params, only: [:index]
  end

module DangerousAction
  extend ActiveSupport::Concern

  FRESH_WINDOW = 10.minutes

  class ConfirmationMismatch < StandardError; end

require "loofah"

class HtmlSanitizer
  ALLOWED_TAGS  = %w[p br a strong em ul ol li blockquote code pre h2 h3].freeze
  ALLOWED_ATTRS = %w[href title].freeze
  SAFE_SCHEMES  = %w[http https mailto].freeze

module Keysettable
  extend ActiveSupport::Concern

  included do
    scope :keyset_page, ->(after: nil, limit: 20) do
      relation = order(created_at: :asc, id: :asc).limit(limit + 1)

module Cacheable
  extend ActiveSupport::Concern

  def cache_query(prefix, scope, expires_in: 15.minutes)
    key = [prefix, cache_version_token(scope)].join("/")