codesnips

fragment-caching

ruby 
class Comment < ApplicationRecord
  belongs_to :post, touch: true
  belongs_to :author, class_name: "User"

  validates :body, presence: true, length: { maximum: 10_000 }

Granular Cache Invalidation with touch: true

rails caching activerecord
by codesnips 4 tabs
ruby 
module CollectionCacheKey
  extend ActiveSupport::Concern

  def cache_key_for(scope)
    relation = scope.respond_to?(:all) ? scope.all : scope
    model = relation.klass

Deterministic Cache Keys for Collections

rails caching activerecord
by codesnips 3 tabs
ruby 
class CacheNamespace
  attr_reader :name

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

Cache Key Versioning with a Single “namespace”

rails caching cache-invalidation
by codesnips 3 tabs