Her

I presented Her at OpenCode #5.

Transcript

1. Her
   Rémi Prévost — OpenCode #5
   

   View Slide

2. “
   Her is an ORM (Object
   Relational Mapper) that
   maps REST resources to
   Ruby objects. It is designed
   to build applications that are
   powered by a RESTful API
   instead of a database.
   

   View Slide

3. SELECT * FROM users WHERE `id` = 1
   GET /users/1
   SQL
   REST
   

   View Slide

4. require "open-uri"
   class GitHub
   def self.fetch_repository(repo)
   begin
   res = open("https://api.github.com/repos/#{repo}")
   rescue
   return nil
   end
   Hashie::Mash.construct(JSON.parse(res.read))
   end
   end
   @repository = GitHub.fetch_repository("remiprev/her")
   @repository.url
   # => "http://remiprev.github.com/her"
   

   View Slide

5. class GitHub
   include HTTParty
   base_uri "https://api.github.com"
   def self.fetch_repository(repo)
   response = get("/repos/#{repo}")
   if response.success?
   Hashie::Mash.construct(JSON.parse(response.body))
   else
   raise "Repository Not Found"
   end
   end
   end
   @repository = GitHub.fetch_repository("remiprev/her")
   @repository.url
   # => "http://remiprev.github.com/her"
   

   View Slide

6. Her::API.setup :url => "https://api.github.com" do |c|
   c.use Her::Middleware::DefaultParseJSON
   c.use Faraday::Adapter::NetHttp
   end
   class Repo
   include Her::Model
   end
   @repository = Repo.find("remiprev/her")
   @repository.url
   # => "http://remiprev.github.com/her"
   

   View Slide

7. class Repo
   include Her::Model
   def fresh?
   self.pushed_at > 1.week.ago
   end
   end
   @repository = Repo.find("remiprev/her")
   @repository.fresh?
   # => true
   

   View Slide

8. • Associations/relations
   • APIs multiples
   • Hooks
   • Tests
   Autres fonctionnalités
   

   View Slide

9. • Gestion des erreurs/exceptions
   • Mise en cache des objets
   À améliorer
   

   View Slide

10. Merci!
    http://remiprev.github.com/her
    @remi
    

    View Slide