after_commit_everywhere 项目使用教程

1. 项目的目录结构及介绍

after_commit_everywhere/
├── bin/
├── gemfiles/
├── lib/
│   └── after_commit_everywhere.rb
├── spec/
├── tmp/
├── .gitignore
├── .rspec
├── .rubocop.yml
├── Appraisals
├── CHANGELOG.md
├── Gemfile
├── Gemfile.lock
├── LICENSE.txt
├── README.md
├── Rakefile
└── after_commit_everywhere.gemspec

• bin/: 包含可执行文件。
• gemfiles/: 包含不同版本的 Gemfile 用于测试。
• lib/: 包含项目的主要代码文件，如 after_commit_everywhere.rb。
• spec/: 包含项目的测试文件。
• tmp/: 临时文件目录。
• .gitignore: Git 忽略文件配置。
• .rspec: RSpec 配置文件。
• .rubocop.yml: RuboCop 代码风格检查配置文件。
• Appraisals: 用于管理不同版本的依赖。
• CHANGELOG.md: 项目更新日志。
• Gemfile: 项目的依赖管理文件。
• Gemfile.lock: 依赖锁定文件。
• LICENSE.txt: 项目许可证。
• README.md: 项目说明文档。
• Rakefile: Rake 任务配置文件。
• after_commit_everywhere.gemspec: 项目的 gemspec 文件。

2. 项目的启动文件介绍

项目的启动文件主要是 lib/after_commit_everywhere.rb，这个文件定义了 AfterCommitEverywhere 模块，提供了在 ActiveRecord 事务之外使用事务回调的功能。

# lib/after_commit_everywhere.rb
require "active_record"
require "active_support/concern"

module AfterCommitEverywhere
  extend ActiveSupport::Concern

  # 模块代码...
end

3. 项目的配置文件介绍

• Gemfile: 定义了项目的依赖，例如 activerecord 和 activesupport。

# Gemfile
source 'https://rubygems.org'

gem 'activerecord', '>= 4.2'
gem 'activesupport', '>= 0'

• after_commit_everywhere.gemspec: 定义了 gem 的详细信息和依赖。

# after_commit_everywhere.gemspec
Gem::Specification.new do |spec|
  spec.name          = "after_commit_everywhere"
  spec.version       = "1.4.0"
  spec.authors       = ["Andrey Novikov"]
  spec.summary       = "Allows to use ActiveRecord transactional callbacks outside of ActiveRecord models"
  spec.description   = "Brings before_commit, after_commit and after_rollback transactional callbacks outside of your ActiveRecord models"
  spec.homepage      = "https://github.com/Envek/after_commit_everywhere"
  spec.license       = "MIT"

  spec.files         = Dir.glob("lib/**/*") + %w(LICENSE.txt README.md)
  spec.require_paths = ["lib"]

  spec.add_dependency "activerecord", ">= 4.2"
  spec.add_dependency "activesupport", ">= 0"

  spec.add_development_dependency "appraisal", ">= 0"
  spec.add_development_dependency "bundler", "~> 2.0"
  spec.add_development_dependency "isolator", "~> 0.7"
  spec.add_development_dependency "pry", ">= 0"
  spec.add_development_dependency "pry-byebug", ">= 0"
  spec.add_development_dependency "rails", ">= 0"
  spec.add_development_dependency "rake", "~> 13.0"
  spec.add_development_dependency "rspec", "~> 3.0"
  spec.add_development_dependency "rspec-rails", ">= 0"
  spec.add_development_dependency "rubocop", "~> 0.81.0"
  spec.add_development_dependency "sqlite3", "~> 1.