app file for sinatra example

app.rb

# app.rb

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

DataMapper.setup(:default, ENV['DATABASE_URL'])

get '/' do
  @messages = Message.all
  erb :messages
end

get '/reset' do
  DataMapper.auto_migrate!
  "Messages reset!"
end

post '/' do

  # TODO: Read the message contents, save to the database
  message_contents = request.POST['message']
  words = message_contents.split
  links = words.map{|word| word if word.end_with?(".com")}.compact
  pictures = words.map{|word| word if word.end_with?(".jpg") || word.end_with?(".png") || word.end_with?(".gif") }.compact

  links.each do |link|
      if link.start_with?("http://")
         message_contents[link] = "<a href=\'#{link}\'> #{link} </a>"
      else
        message_contents[link] = "<a href=\'http://#{link}\'> #{link} </a>"
      end
  end

  pictures.each do |pic|
      if pic.start_with?("http://")
       message_contents[pic] = "<img src='#{pic}'>"
     else
      message_contents[pic] = "<img src='http://#{pic}'>"
    end
  end

  @message_row = Message.new(:body => message_contents)
  @message_row.save

  "Message posted!"

end

class Message

  # TODO: Use this class as a table in the database
  include DataMapper::Resource

  property :id, Serial # Auto-increment integer id
  property :body, Text # A longer text block
  property :created_at, DateTime # Auto assigns data/time

end

DataMapper.finalize