jamierumbelow/gist:106645

## gistfile1.rb
############################
#       blogging app       #
#     by Jamie Rumbelow    #
#                          #
#  to run:                 #
#    gem install sinatra   #
#    ruby blog.rb          #
############################

# blog.rb
require 'rubygems'
require 'sinatra'
require 'database'
require 'templates'

get '/' do
  erb :list
end

get '/new' do
  erb :new
end

post '/new' do
  db = Database.new
  db.save(params)
end

# database.rb
require 'yaml'

class Database
  def initialize
		@dbcontents = YAML::load_file('database.db')
  end

  def get(id)
  	@dbcontents[id]
  end

  def get_all()
  	@dbcontents
  end

  def insert(data)
  	data['id'] = @dbcontents.length+1
	  @dbcontents[data['id']] = data
  end

  def exists?(id)
  	!@dbcontents[id].nil?
	end

	def update!(id, data)
		@dbcontents[id] = data
	end

	def close
		File.open('database.db', "w") { |file| YAML.dump(@dbcontents, file) }
	end
end

# templates.rb

template :layout do
	"<?xml version=\"1.0\" encoding=\"UTF-8\"?>
	<!DOCTYPE html PUBLIC \"-//W3C//DTD XHTML 1.1//EN\" \"http://www.w3.org/TR/xhtml11/DTD/xhtml11.dtd\">

	<html xmlns=\"http://www.w3.org/1999/xhtml\">

		<head>

			<meta http-equiv=\"Content-type\" content=\"text/html; charset=utf-8\">
			<meta name=\"author\" content=\"Jamie Rumbelow\">
			<meta name=\"description\" content=\"A cool new blogging app, written in an hour to demonstrate Sinatra\">

			<title>Rumbelblog</title>

		</head>

		<body>

			<div id=\"header\">

				<h1>Rumbelblog</h1>
				<h3>An Awesome Little Blogging Engine</h3>

			</div>

			<div id=\"content\">

				<%= yield %>

			</div>

			<div id=\"footer\">

				<p>Rumbelblog is an awesome little blogging engine, written in Sinatra, by <a href=\"http://www.jamierumbelow.net\">Jamie Rumbelow</a>. Standards Valid XHTML1.1 and CSS2.1!</p>

			</div>

		</body>

	</html>"
end

template :list do
	"<% for post in @posts %>
	  <div class=\"post\">
	  	<h2><%= post.title %></h2>
	  	<p><%= post.content %></p>
		</div>
	<% end %>

	<p><a href=\"/new\">New Post</a></p>"
end

template :new do
	"<form action=\"/new\" method=\"post\">
		Title: 		<input type=\"text\" name=\"title\" /><br />
		Content: 	<textarea name=\"content\"></textarea><br />
		<input type=\"submit\" value=\"Post!\" />
	</form>"
end
	############################
	# blogging app #
	# by Jamie Rumbelow #
	# #
	# to run: #
	# gem install sinatra #
	# ruby blog.rb #
	############################

	# blog.rb
	require 'rubygems'
	require 'sinatra'
	require 'database'
	require 'templates'

	get '/' do
	erb :list
	end

	get '/new' do
	erb :new
	end

	post '/new' do
	db = Database.new
	db.save(params)
	end

	# database.rb
	require 'yaml'

	class Database
	def initialize
	@dbcontents = YAML::load_file('database.db')
	end

	def get(id)
	@dbcontents[id]
	end

	def get_all()
	@dbcontents
	end

	def insert(data)
	data['id'] = @dbcontents.length+1
	@dbcontents[data['id']] = data
	end

	def exists?(id)
	!@dbcontents[id].nil?
	end

	def update!(id, data)
	@dbcontents[id] = data
	end

	def close
	File.open('database.db', "w") { \|file\| YAML.dump(@dbcontents, file) }
	end
	end

	# templates.rb

	template :layout do
	"<?xml version=\"1.0\" encoding=\"UTF-8\"?>
	<!DOCTYPE html PUBLIC \"-//W3C//DTD XHTML 1.1//EN\" \"http://www.w3.org/TR/xhtml11/DTD/xhtml11.dtd\">

	<html xmlns=\"http://www.w3.org/1999/xhtml\">

	<head>

	<meta http-equiv=\"Content-type\" content=\"text/html; charset=utf-8\">
	<meta name=\"author\" content=\"Jamie Rumbelow\">
	<meta name=\"description\" content=\"A cool new blogging app, written in an hour to demonstrate Sinatra\">

	<title>Rumbelblog</title>

	</head>

	<body>

	<div id=\"header\">

	<h1>Rumbelblog</h1>
	<h3>An Awesome Little Blogging Engine</h3>

	</div>

	<div id=\"content\">

	<%= yield %>

	</div>

	<div id=\"footer\">

	<p>Rumbelblog is an awesome little blogging engine, written in Sinatra, by <a href=\"http://www.jamierumbelow.net\">Jamie Rumbelow</a>. Standards Valid XHTML1.1 and CSS2.1!</p>

	</div>

	</body>

	</html>"
	end

	template :list do
	"<% for post in @posts %>
	<div class=\"post\">
	<h2><%= post.title %></h2>
	<p><%= post.content %></p>
	</div>
	<% end %>

	<p><a href=\"/new\">New Post</a></p>"
	end

	template :new do
	"<form action=\"/new\" method=\"post\">
	Title: <input type=\"text\" name=\"title\" /><br />
	Content: <textarea name=\"content\"></textarea><br />
	<input type=\"submit\" value=\"Post!\" />
	</form>"
	end