playing around with Sinatra & DataMapper

sinatra-datamapper.rb

require 'sinatra'
require 'data_mapper'
require 'json'

# Authentication
# use Rack::Auth::Basic, "Restricted Area" do |username, password|
#   username == 'admin' and password == 'admin'
# end

# set json as content type for all requests
before do
  content_type :json
end

DataMapper::setup(:default, "sqlite3://#{Dir.pwd}/db.db")

class Order
  include DataMapper::Resource

  property :id, Serial
  property :product, Text, :required => true
  property :price, Float, :required => true
  property :payed, Boolean, :required => true, :default => false
  property :created_at, DateTime
  property :updated_at, DateTime
end

DataMapper.finalize.auto_upgrade!

get '/' do
  @orders = Order.all :order => :id.desc
  @orders.to_json
end

get '/open' do
  @orders = Order.all :payed => false
  @orders.to_json
end


get '/new/:product/:price' do
  o = Order.new
  o.product = params[:product]
  o.price = params[:price]
  o.created_at = Time.new
  o.updated_at = Time.new

  @return = {}
  if o.save
    @return['status'] = 200
    @return['message'] = "Created Order ##{o.id}"
    @return['order'] = o
  else
    @return['status'] = 400
    errors = []
    o.errors.each do |e|
      errors << e
      @return['errors'] = errors
    end
  end

  @return.to_json
  
end

# show a specific order

get '/order/?:id?' do
 @o = Order.get params[:id]
 if @o
  @o.to_json
 else
  'error'.to_json
 end
end

# pay a product
get '/pay/:id' do
  o = Order.get params[:id]
  o.payed = true
  o.updated_at = Time.new
  o.save

  "Payed Order ##{params[:id]}"
end

get '/delete_all' do
  o = Order.all.destroy
  redirect '/'
end