idea.rb

require 'sinatra'
require 'data_mapper'
require 'rdiscount'

DataMapper::Logger.new($stdout, :debug)
DataMapper.setup(:default, ENV.fetch('DATABASE_URL', "sqlite3://#{Dir.pwd}/data.db"))

configure do
  enable :static
end

class Idea
  include DataMapper::Resource
  property :id, Serial
  property :title, String, :length => 255
  property :text, Text
  property :complete, Boolean
  property :completion_time, DateTime
  property :created, DateTime
  property :karma, Integer, :default => 1
end

DataMapper.finalize.auto_upgrade!

get '/' do
  @ideas = Idea.all :order => [ :karma.desc, :id.desc ]
  @title = "List"
  erb :ideas
end

post '/' do
  @idea = Idea.create(
    :title => params[:title],
    :text => params[:ideatext],
    :created => Time.now
  )

  redirect '/'
end

get '/:id' do
  lidea = Idea.get params[:id]
  if lidea == nil
    redirect '/'
  end
  @idea = lidea
  @title = "Idea: " + lidea.title
  erb :permalink
end

post '/:id' do
  idea = Idea.get params[:id]
  return "Idea ##{params[:id]} not found." if not idea
  idea.update(
    :title => params[:title],
    :text => params[:ideatext],
  )
  redirect '/'
end

get '/:id/upvote' do
  idea = Idea.get params[:id]
  redirect '/' if not idea
  idea.karma += 1
  idea.save!
  redirect back
end

get '/:id/downvote' do
  idea = Idea.get params[:id]
  redirect '/' if not idea
  idea.karma -= 1
  idea.save!
  redirect back
end

get '/:id/complete' do
  idea = Idea.get params[:id]
  redirect '/' if not idea
  idea.complete = true
  idea.completion_time = Time.now
  idea.save!
  redirect back
end

get '/:id/uncomplete' do
  idea = Idea.get params[:id]
  redirect '/' if not idea
  idea.complete = false
  idea.completion_time = nil
  idea.save!
  redirect back
end

get '/:id/delete' do
  @idea = Idea.get params[:id]
  @title = "Deleting " + @idea.title
  erb :delete
end

delete '/:id' do
  idea = Idea.get params[:id]
  idea.destroy || "Could not find an idea with that title."
  redirect '/'
end