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Sinatra example app using ActiveRecord ORM
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# extracted from http://fernandomantoan.com/javascript/serie-backbone-js-parte-3-model/ | |
require 'sinatra' | |
require 'json' | |
require 'active_record' | |
# O JSON não deve conter um elemento ROOT, apenas os atributos | |
ActiveRecord::Base.include_root_in_json = false | |
class Post < ActiveRecord::Base | |
end | |
Post.establish_connection( | |
:adapter => "sqlite3", | |
:database => "data.db" | |
) | |
# Apresenta a página contendo o código HTML e Javascript | |
get '/' do | |
File.read(File.join('public', 'index.html')) | |
end | |
# Endpoint GET para obter a última postagem do banco de dados | |
get '/posts' do | |
content_type :json | |
Post.last.to_json | |
end | |
# Endpoint POST para criar uma nova postagem | |
post '/posts' do | |
data = JSON.parse request.body.read | |
post = Post.new | |
post.title = data['title'] | |
post.text = data['text'] | |
post.save | |
end | |
# Endpoint PUT para atualizar uma postagem existente | |
put '/posts/:id' do | |
data = JSON.parse request.body.read | |
post = Post.find params[:id] | |
post.title = data['title'] | |
post.text = data['text'] | |
post.save | |
end | |
# Endpoint DELETE para remover uma postagem existente | |
delete '/posts/:id' do | |
Post.destroy params[:id] | |
end |
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