repo example

Gemfile

source "https://rubygems.org"

ruby "2.3.1"

# Web framework
gem "dry-web", github: "dry-rb/dry-web"

# Database persistence
gem "sqlite3"
gem "rom",             github: "rom-rb/rom"
gem "rom-mapper",      github: "rom-rb/rom-mapper"
gem "rom-repository",  github: "rom-rb/rom-repository"
gem "rom-sql",         github: "rom-rb/rom-sql"
gem "rom-support",     github: "rom-rb/rom-support"
gem "dry-auto_inject", github: "dry-rb/dry-auto_inject"

gem "pg"

# Application dependencies
gem 'rake'
gem "dry-validation", github: "dry-rb/dry-validation"

group :test do
  gem "rspec"
  gem "rack-test"
end

test.rb

require 'bundler'

Bundler.require

class Container
  extend Dry::Container::Mixin

  namespace(:persistence) do
    config = ROM::Configuration.new(default: [:sql, 'postgres://localhost/rom_repo_test'])

    register(:rom, ROM.container(config))

    namespace(:repo) do
      register(:posts) { Persistence::Repo::Posts.new }
    end
  end

  Import = Dry::AutoInject(self)
  ArgsImport = Import.args
end

module Persistence
  module Repo
    class Posts < ROM::Repository[:posts]
      include Container::ArgsImport['persistence.rom']

      def index
        root.to_a
      end
    end
  end
end

p Container['persistence.repo.posts'].index # => [#<ROM::Struct[Post] id=1 body="foo">]