new_sinatra_app.rb

gistfile1.rb

#!/usr/bin/env ruby

require 'fileutils'

install_root = File.expand_path(File.dirname(__FILE__))

if !ARGV[0]
  puts "ERROR: You must supply the name of the app you want to create. Like this:"
  puts "./new_sinatra_app my_app" 
  exit 1
end

nid = install_root.split("/")[2]

app_name = ARGV[0]
app_name.gsub!(" ", "_")

puts "Creating new app: #{app_name}..."
puts "install_root: #{install_root}"
puts "NETID: #{nid}"
puts
puts

puts "Creating folder structure..."
puts
puts "creating public directory"
# create folder structure + always_retart.txt
FileUtils.mkdir_p "#{install_root}/#{app_name}/public"

puts "creating tmp directory"
FileUtils.mkdir_p "#{install_root}/#{app_name}/tmp"

puts "creating always_restart.txt "
FileUtils.touch "#{install_root}/#{app_name}/tmp/always_restart.txt"

puts "creating config.ru"
# install config.ru
File.open("#{install_root}/#{app_name}/config.ru", "w") do |f|

f.write <<-BLAH
require File.dirname(__FILE__) + '/app.rb'

before do 
  s = request.path_info
  s[/^\\/~(\\w)+(\\d)+\\/sinatra\\/[^\\/|?]+/i] = ""
  request.path_info = s
end

run Sinatra::Application
BLAH
end  

puts "creating .htaccess file"  
# install .htaccess
File.open("#{install_root}/#{app_name}/.htaccess", "w") do |f|
f.write <<-BLAH
PassengerEnabled on
RackBaseURI /sinatra
PassengerAppRoot #{install_root}/#{app_name}
RackEnv development
BLAH
end
  

puts
puts "creating app.rb"
# populate default app
File.open("#{install_root}/#{app_name}/app.rb", "w") do |f|
f.write <<-BLAH
require 'sinatra'

# Main route  - this is the form where we take the input
get '/' do
  form = ""
  
  # The form variable contains the HTML for the form
  # The "action" sets the url this form will go to
  # The "method" sets the verb
  form += '<form action="http://itp.nyu.edu/~#{nid}/sinatra/#{app_name}/get_rectangle" method="GET">'
  
  # The 'name' of the input translates into where the variable
  # ends up in the params in our other action
  # An input with name="x" becomes params[:x]
  form += '<p><label>text:</label> <input type="text" name="text" /></p>'
  form += '<p><label>x:</label> <input type="text" name="x" /></p>'
  form += '<p><label>y:</label> <input type="text" name="y" /></p>'
  form += '<p><label>color:</label> <input type="text" name="color" /></p>'
  
  # An input of type "submit" becomes a submit button for sending
  # in the form
  form += '<p><input type="submit" value="create" /></p>'
  form += '</form>'
  
  # The last line always gets returned
  form

end

# This is the service which gets called by the form
get '/get_rectangle' do
    rectangle = ""
    
    # This will create a rectangle using in-line CSS
    # Each of the values submitted in the form can be accessed by params[:name]
    rectangle += '<p style="width: ' + params[:x] + '; '
    rectangle += 'height: ' + params[:y] + '; '
    rectangle += 'background-color: ' + params[:color] + '">'
    rectangle += params[:text] + '</p>';
    
    # The last line always gets returned
    rectangle
end
BLAH
end

puts "checking for sinatra directory in public_html"
FileUtils.mkdir_p "/home/#{nid}/public_html/sinatra"

puts "installing symlink"
FileUtils.ln_s "#{install_root}/#{app_name}", "/home/#{nid}/public_html/sinatra/#{app_name}"
puts
puts "done!"
puts "edit you new app here:"
puts "#{install_root}/sinatra/#{app_name}/"
puts "and see it on the web here:"
puts "http://itp.nyu.edu/~#{nid}/sinatra/#{app_name}"