Change app name

vedia.rb

@@ -0,0 +1,301 @@
+require 'sinatra'
+require 'sinatra/activerecord'
+require 'bcrypt'
+require 'gettext'
+require 'securerandom'
+require 'chartkick'
+require_relative 'mj'
+
+class Vote < ActiveRecord::Base
+  has_many :candidates, dependent: :destroy
+  has_many :ratings, dependent: :destroy
+  has_many :organizers, dependent: :destroy
+  has_many :users, through: :organizers
+  validates :state, inclusion: { in: ['draft', 'open', 'closed'] }
+end
+
+class Candidate < ActiveRecord::Base
+  belongs_to :vote
+  has_many :ratings, dependent: :destroy
+
+  def mj
+    return MajorityJudgment.new(self.ratings.collect {|r| r.value })
+  end
+
+end
+
+class User < ActiveRecord::Base
+  has_many :ratings
+  has_many :organizers
+  has_many :votes, through: :organizers
+  validates :email, uniqueness: true
+  validates :email, format: URI::MailTo::EMAIL_REGEXP
+end
+
+class Organizer < ActiveRecord::Base
+  belongs_to :vote
+  belongs_to :user
+  validates :vote_id, uniqueness: { scope: :user_id }
+  validates :user_id, uniqueness: { scope: :vote_id }
+end
+
+class Rating < ActiveRecord::Base
+  belongs_to :vote
+  belongs_to :user
+  belongs_to :candidate
+end
+
+def hash_password(password)
+  BCrypt::Password.create(password).to_s
+end
+
+def verify_password(password, hash)
+  BCrypt::Password.new(hash) == password
+end
+
+include GetText
+set_output_charset('UTF-8')
+bindtextdomain('vedia', 'locale')
+set_locale('ca')
+
+enable :sessions
+set :values, [ { :id => 1, :label => _("Awful"), :color => '#ff4500' },
+               { :id => 2, :label => _("Very bad"), :color => '#ffa500' },
+               { :id => 3, :label => _("Bad"), :color => '#ffff00' },
+               { :id => 4, :label => _("Mediocre"), :color => '#9acd32' },
+               { :id => 5, :label => _("Good"), :color => '#228b22' },
+               { :id => 6, :label => _("Very good"), :color => '#006400' } ]
+MajorityJudgment.values = settings.values
+
+get '/' do
+  require_login
+  @votes = Vote.all
+  erb :home
+end
+
+get '/style.css' do
+  content_type 'text/css'
+  erb :style, :layout => false
+end
+
+get '/signup' do
+  erb :signup
+end
+
+post '/signup' do
+  @user = User.create(email: params[:email])
+  @errors = []
+  if params[:password].empty?
+    @errors << OpenStruct.new(:attribute => :password, :type => :blank)
+  else
+    @user.password = hash_password(params[:password])
+  end
+  if @errors.empty? and @user.valid?
+    @user.save
+    session.clear
+    session[:user_id] = @user.id
+    redirect '/'
+  else
+    erb :signup
+  end
+end
+
+get '/login' do
+  erb :login
+end
+
+post '/login' do
+  user = User.find_by(email: params[:email])
+  if user && verify_password(params[:password], user.password)
+    session.clear
+    session[:user_id] = user.id
+    redirect '/'
+  else
+    @error = _("Incorrect email or password.")
+    erb :login
+  end
+end
+
+get '/logout' do
+  session.clear
+  redirect '/login'
+end
+
+post '/logout' do
+  session.clear
+  redirect '/login'
+end
+
+get '/votes/new' do
+  require_login
+  erb :votes_new
+end
+
+post '/votes' do
+  require_login
+  @vote = Vote.create(secure_id: SecureRandom.hex(8),
+                      title: params[:title],
+                      description: params[:description],
+                      state: 'draft')
+  @vote.users << current_user
+  redirect '/votes/' + @vote.secure_id
+end
+
+get '/votes/:id' do
+  require_login
+  find_vote
+  case @vote.state
+  when 'draft'
+    if @vote.users.exists?(current_user.id)
+      erb :votes_edit
+    else
+      erb :votes_show_draft
+    end
+  when 'open'
+    erb :votes_show_open
+  when 'closed'
+    erb :votes_show_closed
+  else
+    @vote.state = 'draft'
+    @vote.save
+    erb :votes_edit
+  end
+end
+
+post '/votes/:id/edit' do
+  require_login
+  find_vote
+  require_organizer
+  require_draft_vote
+  @vote.title = params[:title]
+  @vote.description = params[:description]
+  @vote.save
+  erb :votes_edit
+end
+
+post '/votes/:id/candidates' do
+  require_login
+  find_vote
+  require_organizer
+  require_draft_vote
+  @candidate = Candidate.new(name: params[:name],
+                             description: params[:description])
+  @candidate.vote = @vote
+  @candidate.save
+  redirect '/votes/' + @vote.secure_id
+end
+
+post '/votes/:id/candidates/:cid/delete' do
+  require_login
+  find_vote
+  require_organizer
+  require_draft_vote
+  @candidate = Candidate.find(params[:cid])
+  @candidate.destroy
+  redirect '/votes/' + @vote.secure_id
+end
+
+post '/votes/:id/open' do
+  require_login
+  find_vote
+  require_organizer
+  require_draft_vote
+  if not @vote.candidates.length < 2
+    @vote.state = 'open'
+    @vote.save
+  end
+  redirect '/votes/' + @vote.secure_id
+end
+
+post '/votes/:id/draft' do
+  require_login
+  find_vote
+  require_organizer
+  require_open_vote
+  @vote.ratings.each {|r| r.destroy}
+  @vote.state = 'draft'
+  @vote.save
+  redirect '/votes/' + @vote.secure_id
+end
+
+post '/votes/:id/close' do
+  require_login
+  find_vote
+  require_organizer
+  require_open_vote
+  @vote.state = 'closed'
+  @vote.save
+  redirect '/votes/' + @vote.secure_id
+end
+
+post '/votes/:id/reopen' do
+  require_login
+  find_vote
+  require_organizer
+  require_closed_vote
+  @vote.state = 'open'
+  @vote.save
+  redirect '/votes/' + @vote.secure_id
+end
+
+post '/votes/:id/ratings' do
+  require_login
+  find_vote
+  @vote.candidates.each do |candidate|
+    rating = Rating.find_or_initialize_by(vote: @vote, user: current_user, candidate: candidate)
+    rating.value = params[candidate.id.to_s]
+    rating.save
+  end
+  redirect '/votes/' + @vote.secure_id
+end
+
+post '/votes/:id/organizers' do
+  require_login
+  find_vote
+  require_organizer
+  user = User.find_by(email: params[:email])
+  @vote.users << user
+  redirect '/votes/' + @vote.secure_id
+end
+
+post '/votes/:id/delete' do
+  require_login
+  find_vote
+  require_organizer
+  @vote.destroy
+  redirect '/'
+end
+
+helpers do
+  def current_user
+    if session[:user_id]
+       User.find(session[:user_id])
+    else
+      nil
+    end
+  end
+
+  def require_login
+    redirect '/login' unless current_user
+  end
+
+  def find_vote
+    @vote = Vote.find_by(secure_id: params[:id])
+  end
+
+  def require_organizer
+    redirect '/votes/' + @vote.secure_id unless @vote.users.exists?(current_user.id)
+  end
+
+  def require_draft_vote
+    redirect '/votes/' + @vote.secure_id unless @vote.state == 'draft'
+  end
+
+  def require_open_vote
+    redirect '/votes/' + @vote.secure_id unless @vote.state == 'open'
+  end
+
+  def require_closed_vote
+    redirect '/votes/' + @vote.secure_id unless @vote.state == 'closed'
+  end
+end