RestFull Routes and Templeates Slim With DataMapper

0-song.rb

class Song
  include DataMapper::Resource
  property :id, Serial
  property :title, String
  property :lyrics, Text
  property :length, Integer
  property :released_on, Date
  def released_on=date
    super Date.strptime(date, '%m/%d/%Y')
  end
end

1-song.rb

#Listing Songs
get '/songs' do
  @songs = Song.all
  slim :songs
end

#Showing Songs
get '/songs/:id' do
  @song = Song.get(params[:id])
  slim :show_song
end

#Creating New Songs
#deve ser antes da Showing pq /:id vai tentar interpletar o new como parametro
get '/songs/new' do
  @song = Song.new
  slim :new_song
end
post '/songs' do
  song = Song.create(params[:song])
  redirect to("/songs/#{song.id}")
end

#Editing Songs
get '/songs/:id/edit' do
  @song = Song.get(params[:id])
  slim :edit_song
end
put '/songs/:id' do
  song = Song.get(params[:id])
  song.update(params[:song])
  redirect to("/songs/#{song.id}")
end

#Deleting Songs
delete '/songs/:id' do
  Song.get(params[:id]).destroy
  redirect to('/songs')
end

2-songs.slim

h1 Songs
a href="/songs/new" Create a new song
- if @songs.any?
  ul#songs
    -@songs.each do |song|
      li <a href="/songs/#{song.id}">#{song.title}</a>
- else
  p No songs have been created yet!

3-show_song.slim

h1= @song.title
p Release Date: #{@song.released_on.strftime("%e %B %Y") if @song.released_on}
p Length: #{@song.length/60} minutes #{@song.length%60} seconds
pre= @song.lyrics
p <a href="/songs">back to songs index</a>
p <a href="/songs/#{@song.id}/edit">edit this song</a>
form action="/songs/#{@song.id}" method="POST"
  input type="hidden" name="_method" value="DELETE"
  input type="submit" value="delete this song"

4-new_song.slim

h1 Add A New Song
form method="POST" action="/songs"
  == slim :song_form

5-song_form.slim

label for="title" Title:
input#title type="text" name="song[title]" value="#{@song.title}"
label for="length" Length:
input#length type="number" name="song[length]" value="#{@song.length}"
label for="released_on" Date(mm/dd/yyyy):
input#released_on type="text" name="song[released_on]" value="#{@song.released_on.strftime("%m/%d/%Y") if @song.released_on}"
label for="lyrics" Lyrics:
textarea#lyrics name="song[lyrics]" == @song.lyrics
input type="submit" value="Save Song"

6-edit_song.slim

h1 Edit Song
form method="POST" action="/songs/#{@song.id}"
  input type="hidden" name="_method" value="PUT"
  == slim :song_form

9-application.coffee

$ -> 
  $('#released_on')
  .datepicker( changeYear: true, yearRange: '1940:2000' )
  $('#like input').click (event) ->
    event.preventDefault()
    $.post(
      $('#like form').attr('action')
      (data) -> $('#like p').html(data)
      .effect('highlight', color: '#fcd')
    )