daz-codes

post '/checkout' do
  n = rand(3)
  flash[:error] = "There was an error processing your payment" if n == 0
  flash[:success] = "Your payment was successful" if n > 0
  redirect to('/discount') if n == 2
  redirect to('/finish')
end

daz-codes

@@styles
.flash{
  width: 600px;
  padding: 5px;
  font-weight: bold;
  margin: 20px;
  background:#ddd;
  color:#666;border:1px solid #ccc;
}

daz-codes

<div id='flash'>
  <div class='flash success'>
    A cow was successfully added to your basket
  </div>
  <div clash='flash warning'>
    Warning! Buying too many ducks can drive you quackers    
  </div>
</div>

daz-codes

@@layout
doctype html
html
  head
    meta charset="utf-8"
    title Sinatra Flash
    link rel="stylesheet" media="screen, projection" href="/styles.css"
  body
    == styled_flash
    == yield

daz-codes

@@layout
doctype html
html
  head
    meta charset="utf-8"
    title The Flash Farm Shop
    link rel="stylesheet" media="screen, projection" href="/styles.css"
  body
    - if flash[:success]
      .flash== flash[:success]

daz-codes

post '/buy/:animal' do
  animal = params[:animal]
  #code that adds an animal to the shopping basket goes here
  flash[:success] = "A #{animal} was successfully added to your basket"
  flash[:warning] = "Warning! Buying too many ducks can drive you quackers" if animal == 'duck'
  redirect '/'
end

daz-codes

get '/styles.css' do
 scss :styles
end

daz-codes

@@styles
.flash{
  width: 600px;
  padding: 5px;
  font-weight: bold;
  margin: 20px;
  background:#ddd;
  color:#666;border:1px solid #ccc;
}

daz-codes

@@layout
doctype html
html
  head
    meta charset="utf-8"
    title The Flash Farm Shop
    link rel="stylesheet" media="screen, projection" href="/styles.css"
  body
    - if flash[:success]
      .flash== flash[:success]

daz-codes

post '/buy/:animal' do
  #code that adds an animal to the shopping basket goes here
  flash[:success] = "A #{params[:animal]} was successfully added to your basket"
  redirect '/'
end