rake_populate_couch.rb

task :populate_db do
    begin
        require 'rubygems'
        require 'json'
        require 'couchrest'
    rescue
        puts "Ruby gems missing, trying to install with sudo rights"
        sh 'sudo gem install json couchrest'
        retry
    end
    
    couch = CouchRest.new
    
    db = Hash.new do |hash, key|
        puts "(Re-)initializing #{key}"
        begin
            couch.database!(key).delete!
        rescue
            puts "Sleeping 2secs to wait for couch bootup"
            sleep 2 # wait and see if couch is starting
            couch.database!(key).delete!
        end
        hash[key] = couch.create_db(key)
    end
    
    FileList.new('examples/**/*.json') do |list|
        list.each do |name|
            begin
                json = JSON.parse(File.read(name))
                json['_id'] ||= File.basename(name, '.json')
                js_file = name[0...-5] + '.js'
                if File.exist? js_file
                    json['content'] = {
                        'application/javascript' => File.read(js_file)
                    }
                end
                FileList.new("#{File.dirname(name)}/#{json['_id']}.template.*") do |templates|
                    templates.each do |template|
                        (json['templates'] ||= {})[template.slice(/\w+\z/)] = File.read(template)
                    end
                end
            
                db[name.split('/')[1]].save_doc(json)
            rescue => exception
                puts "Failed on #{name}"
                throw exception
            end
        end
    end
end