simple todo api using sinatra and mongoid.

README.md

Todo Api (exercise)

I haven't got much time to play around with new stuff lately so I decided to try out sinatra and mongoid. I've never used an ORM/ODM but I do like mongodb, and mongoid can remove some boilerplate. After working with a bunch of other languages that I like with varying degree, it felt like a breath of fresh air to go back to my ruby roots.

required gems (if i can remeber)

• sinatra
• sinatra-contrib
• mongoid

model.rb

require 'mongoid'

Mongoid.load!('./mongoid.yml', :development)

class Todo
  include Mongoid::Document
  field :text, type: String
  field :done, type: Boolean, default: false
  field :timeCreated, type: DateTime, default: ->{Time.now}

  def as_json(options={})
    attrs = super(options)
    attrs["_id"] = attrs["_id"].to_s
    attrs
  end
end

mongoid.yml

development:
  clients:
    default:
      database: todo-ruby
      hosts:
        - localhost:27017

routes.rb

require 'sinatra'
require 'sinatra/json'
require './model.rb'

set :port, 8080

before '/todo*' do
  if request.body.length > 0
    begin
      @body = JSON.parse request.body.read
    rescue
      status 400
      json error: "json expected"
    end
  end
end

helpers do
  def body_require param
    puts @body
    unless @body.key? param
      puts '#{param} missing'
      halt 400, json(error: "parameter #{param} required")
    end
  end
end

set :show_exceptions, :after_handler
error Mongoid::Errors::DocumentNotFound do
  halt 404
end

post '/todo' do
  body_require 'text'
  newTodo = Todo.create(text: @body['text'])
  json newTodo
end

get '/todo' do
  json Todo.all
end


get '/todo/:id' do
  todo = Todo.find(params[:id])
  json todo
end

put '/todo/:id' do
  body_require 'newText'
  todo = Todo.find(params[:id])    
  todo.set text: @body['newText']
  json todo
end

patch '/todo/:id' do
  todo = Todo.find(params[:id])
  todo.set done: true
  json todo
end