simple riak powered wiki

riak_wiki.rb

require 'rubygems'
require 'sinatra'
require 'rest_client'
require 'json'

RIAK_SERVER = "192.168.2.2"

get '/:bucket' do
  keys = JSON.parse(RestClient.get "http://#{RIAK_SERVER}:8098/raw/#{params[:bucket]}")['keys']
  "<ul>" + keys.collect { |k| "<li><a href='/#{params[:bucket]}/#{k}'>#{k}</a>" }.join('')
end

get '/:bucket/:key' do
  body = (RestClient.get "http://#{RIAK_SERVER}:8098/raw/#{params[:bucket]}/#{params[:key]}" rescue '').gsub('<', '&lt;')
  "<form method='post'><textarea name='body' cols='80' rows='20'>#{body}</textarea><br><input type='submit' value='update'></form>"
end

post '/:bucket/:key' do
  RestClient.put "http://#{RIAK_SERVER}:8098/raw/#{params[:bucket]}/#{params[:key]}", params[:body], "content-type" => "text/plain"
  redirect request.path_info
end