Fix basic style issues with rubocop

.rubocop.yml

@@ -11,31 +11,79 @@ Lint/DeprecatedClassMethods:
 Style/NilComparison:
   Enabled: true
 
+# Use one empty line between method definitions
 Style/EmptyLineBetweenDefs:
   Enabled: true
 
-# Offense count: 4
-# Cop supports --auto-correct.
+# There should be only one empty line in designated place
 Style/EmptyLines:
+  Enabled: true
+
+# Keep a blank line before and after private.
+Style/EmptyLinesAroundAccessModifier:
+  Enabled: true
+
+# Do not insert empty line after class definition and before closing class
+Style/EmptyLinesAroundBody:
+  Enabled: true
+
+# Use hash literal {} instead of Hash.new
+Style/EmptyLiteral:
+  Enabled: true
+
+# Prefer `each` over `for i`
+Style/For:
+  Enabled: true
+
+# Wrap your assignment in condition if you mean it, otherwise it is most likely equality check
+Lint/AssignmentInCondition:
+  Enabled: true
+
+# Align blocks of code properly
+Lint/BlockAlignment:
+  Enabled: true
+
+# Do not use literal in conditions. We have it enabled for now
+Lint/LiteralInCondition:
   Enabled: false
 
+# Prefer `Kernel#loop -> break` over `begin -> while`
+Lint/Loop:
+  Enabled: true
+
+# do not put space before arguments when they are in parentheses
+Lint/ParenthesesAsGroupedExpression:
+  Enabled: true
+
+# Offense count: 13
+# Cop supports --auto-correct.
+Lint/RescueException:
+  Enabled: true
+
 # Offense count: 1
-Style/EmptyLinesAroundAccessModifier:
+Lint/ShadowingOuterLocalVariable:
   Enabled: false
 
-# Offense count: 21
+# Offense count: 5
 # Cop supports --auto-correct.
-Style/EmptyLinesAroundBody:
+Lint/UnusedBlockArgument:
   Enabled: false
 
 # Offense count: 2
 # Cop supports --auto-correct.
-Style/EmptyLiteral:
+Lint/UnusedMethodArgument:
+  Enabled: false
+
+# Offense count: 6
+Lint/UselessAssignment:
   Enabled: false
 
 # Offense count: 1
-# Configuration parameters: Exclude.
-Style/FileName:
+Lint/Void:
+  Enabled: false
+
+# Offense count: 17
+Style/AccessorMethodName:
   Enabled: false
 
 AllCops:

.rubocop_todo.yml

@@ -5,58 +5,6 @@
 # Note that changes in the inspected code, or installation of new
 # versions of RuboCop, may require this file to be generated again.
 
-# Offense count: 3
-# Configuration parameters: AllowSafeAssignment.
-Lint/AssignmentInCondition:
-  Enabled: false
-
-# Offense count: 4
-Lint/BlockAlignment:
-  Enabled: false
-
-# Offense count: 1
-Lint/LiteralInCondition:
-  Enabled: false
-
-# Offense count: 2
-Lint/Loop:
-  Enabled: false
-
-# Offense count: 3
-Lint/ParenthesesAsGroupedExpression:
-  Enabled: false
-
-# Offense count: 13
-# Cop supports --auto-correct.
-Lint/RescueException:
-  Enabled: false
-
-# Offense count: 1
-Lint/ShadowingOuterLocalVariable:
-  Enabled: false
-
-# Offense count: 5
-# Cop supports --auto-correct.
-Lint/UnusedBlockArgument:
-  Enabled: false
-
-# Offense count: 2
-# Cop supports --auto-correct.
-Lint/UnusedMethodArgument:
-  Enabled: false
-
-# Offense count: 6
-Lint/UselessAssignment:
-  Enabled: false
-
-# Offense count: 1
-Lint/Void:
-  Enabled: false
-
-# Offense count: 17
-Style/AccessorMethodName:
-  Enabled: false
-
 # Offense count: 10
 # Cop supports --auto-correct.
 # Configuration parameters: EnforcedHashRocketStyle, EnforcedColonStyle, EnforcedLastArgumentHashStyle, SupportedLastArgumentHashStyles.
@@ -156,41 +104,11 @@ Style/DotPosition:
 Style/DoubleNegation:
   Enabled: false
 
-# Offense count: 1
-# Cop supports --auto-correct.
-# Configuration parameters: AllowAdjacentOneLineDefs.
-Style/EmptyLineBetweenDefs:
-  Enabled: false
-
-# Offense count: 4
-# Cop supports --auto-correct.
-Style/EmptyLines:
-  Enabled: false
-
-# Offense count: 1
-Style/EmptyLinesAroundAccessModifier:
-  Enabled: false
-
-# Offense count: 21
-# Cop supports --auto-correct.
-Style/EmptyLinesAroundBody:
-  Enabled: false
-
-# Offense count: 2
-# Cop supports --auto-correct.
-Style/EmptyLiteral:
-  Enabled: false
-
 # Offense count: 1
 # Configuration parameters: Exclude.
 Style/FileName:
   Enabled: false
 
-# Offense count: 1
-# Configuration parameters: EnforcedStyle, SupportedStyles.
-Style/For:
-  Enabled: false
-
 # Offense count: 8
 # Configuration parameters: MinBodyLength.
 Style/GuardClause:

Gemfile

@@ -128,3 +128,7 @@ group :test do
   # Extracted from RSpec 3 stub_model and mock_model
   gem 'rspec-activemodel-mocks'
 end
+
+group :development, :test do
+  gem 'debugger'
+end

Gemfile.lock

@@ -90,6 +90,7 @@ GEM
       coffee-script-source
       execjs
     coffee-script-source (1.7.0)
+    columnize (0.8.9)
     coveralls (0.7.0)
       multi_json (~> 1.3)
       rest-client
@@ -99,6 +100,12 @@ GEM
     d3_rails (3.4.6)
       railties (>= 3.1.0)
     database_cleaner (1.3.0)
+    debugger (1.6.8)
+      columnize (>= 0.3.1)
+      debugger-linecache (~> 1.2.0)
+      debugger-ruby_core_source (~> 1.3.5)
+    debugger-linecache (1.2.0)
+    debugger-ruby_core_source (1.3.5)
     devise (3.2.4)
       bcrypt (~> 3.0)
       orm_adapter (~> 0.1)
@@ -399,6 +406,7 @@ DEPENDENCIES
   coveralls
   d3_rails
   database_cleaner
+  debugger
   devise
   factory_girl_rails
   font-awesome-rails

app/controllers/admin/difficulty_levels_controller.rb

@@ -25,6 +25,5 @@ class Admin::DifficultyLevelsController < ApplicationController
       flash[:error] = "Difficulty Levels update failed."
       redirect_to(admin_conference_difficulty_levels_path(:conference_id => @conference.short_title))
     end
-
   end
 end

app/controllers/admin/events_controller.rb

@@ -18,7 +18,7 @@ module Admin
 
       @mystates = []
       @mytypes = []
-      @eventstats = Hash.new
+      @eventstats = {}
       @totallength = 0
 
       @machine_states.each do |mystate|
@@ -50,7 +50,7 @@ module Admin
               @totallength += myevent.event_type.length
             end
 
-            if @eventstats[mytype.title] == nil
+            if @eventstats[mytype.title].nil?
               @eventstats[mytype.title] = { 'count' => events_mytype.count,
                                             'length' => events_mytype.count * mytype.length }
             end
@@ -150,7 +150,7 @@ module Admin
       @event = Event.find(params[:id])
       @ratings = @event.votes.includes(:user)
 
-      if votes = current_user.votes.find_by_event_id(params[:id])
+      if (votes = current_user.votes.find_by_event_id(params[:id]))
         votes.update_attributes(rating: params[:rating])
       else
         @myvote = @event.votes.build

app/controllers/admin/questions_controller.rb

@@ -79,7 +79,7 @@ class Admin::QuestionsController < ApplicationController
               a.delete
             end
             flash[:notice] = "Deleted question: #{@question.title} and its answers: #{@question.answers.map {|a| a.title}.join ','}"
-        end
+          end
         rescue ActiveRecord::RecordInvalid
           flash[:error] = "Could not delete question."
         end
@@ -91,6 +91,6 @@ class Admin::QuestionsController < ApplicationController
     end
 
     @questions = Question.where(:global => true).all | Question.where(:conference_id => @conference.id)
-    @questions_conference = @conference.questions    
+    @questions_conference = @conference.questions
   end
 end

app/controllers/admin/social_events_controller.rb

@@ -11,7 +11,5 @@ class Admin::SocialEventsController < ApplicationController
     else
       redirect_to(admin_conference_social_events_path(:conference_id => @conference.short_title), :notice => 'Social events update failed.')
     end
-
   end
-
 end

app/controllers/admin/stats_controller.rb

@@ -48,7 +48,7 @@ module Admin
       if @events.count > 0
         start_date = @events.minimum('created_at').strftime('%Y-%m-%d')
         end_date = @events.maximum('created_at').strftime('%Y-%m-%d')
-        unless start_date == nil || end_date == nil
+        unless start_date.nil? || end_date.nil?
           @events_time = var_time(start_date, end_date, @events, 'created_at')
         end
       end
@@ -87,7 +87,7 @@ module Admin
               typelength += myevent.event_type.length
               @totallength += myevent.event_type.length
             end
-            if @eventstats[mytype.title] == nil
+            if @eventstats[mytype.title].nil?
               @eventstats[mytype.title] = { 'count' => events_mytype.count,
                                             'length' => events_mytype.count * mytype.length }
             end

app/controllers/admin/venue_controller.rb

@@ -19,5 +19,4 @@ class Admin::VenueController < ApplicationController
     @venue = @conference.venue
     render :venue_info
   end
-
 end

app/controllers/event_attachments_controller.rb

@@ -71,8 +71,10 @@ class EventAttachmentsController < ApplicationController
                  :content_type => 'text/html',
                  :layout => false
         }
-        format.json { render json: [@upload.to_jq_upload].to_json, status: :created,
-                             location: conference_proposal_event_attachment_path(@upload.event.conference.short_title, @upload.event, @upload) }
+        format.json do
+          render json: [@upload.to_jq_upload].to_json, status: :created,
+                 location: conference_proposal_event_attachment_path(@upload.event.conference.short_title, @upload.event, @upload)
+        end
       else
         format.html { render action: "new" }
         format.json { render json: @upload.errors, status: :unprocessable_entity }

app/controllers/schedule_controller.rb

@@ -1,5 +1,4 @@
 class ScheduleController < ApplicationController
-
   layout "application"
   
   def index
@@ -14,5 +13,4 @@ class ScheduleController < ApplicationController
       @today = @conference.start_date.strftime("%Y-%m-%d")
     end
   end
-
 end

app/controllers/users/omniauth_callbacks_controller.rb

@@ -13,7 +13,7 @@ module Users
       openid = Openid.find_for_oauth(auth_hash) # Get or create openid
       # If openid exists and is associated with a user, sign in with associated user,
       # even if the email of the associated user and the email of the provided openid are different
-      unless user = openid.user
+      unless (user = openid.user)
         user = User.find_for_auth(auth_hash, current_user) # Get or create users
       end
 

app/mailers/mailbot.rb

@@ -6,7 +6,6 @@ class Mailbot < ActionMailer::Base
                 person.email,
                 conference.email_settings.registration_subject,
                 conference.email_settings.generate_registration_email(conference, person))
-
   end
 
   def acceptance_mail(event)
@@ -16,7 +15,6 @@ class Mailbot < ActionMailer::Base
                 person.email,
                 conference.email_settings.accepted_subject,
                 conference.email_settings.generate_accepted_email(event))
-
   end
 
   def rejection_mail(event)
@@ -63,5 +61,4 @@ class Mailbot < ActionMailer::Base
          :subject => subject,
          :body => body)
   end
-
 end

app/models/conference.rb

@@ -102,7 +102,6 @@ class Conference < ActiveRecord::Base
     return media_types
   end
 
-
   ##
   # Checks if the user is registered to the conference
   #

app/models/datatable.rb

@@ -18,7 +18,6 @@ class Datatable
     }
   end
 
-
   def data
     []
   end

app/models/dietary_choice.rb

@@ -3,5 +3,4 @@ class DietaryChoice < ActiveRecord::Base
 
   belongs_to :conference
   has_many :registrations
-
 end

app/models/event.rb

@@ -197,11 +197,15 @@ class Event < ActiveRecord::Base
     errors.add(:user_biography, 'must be filled out') if submitter.biography_word_count == 0
   end
 
+  # TODO: create a module to be mixed into model to perform same operation
+  # venue.rb has same functionality which can be shared
+  # TODO: rename guid to UUID as guid is specifically Microsoft term
   def generate_guid
-    begin
-      guid = SecureRandom.urlsafe_base64
-    end while self.class.where(guid: guid).exists?
-    self.guid = guid
+    loop do
+      @guid = SecureRandom.urlsafe_base64
+      break if !self.class.where(guid: guid).any?
+    end
+    self.guid = @guid
   end
 
   def set_week

app/models/event_attachment.rb

@@ -18,12 +18,9 @@ class EventAttachment < ActiveRecord::Base
         "delete_url" => conference_proposal_event_attachment_path(self.event.conference.short_title, self.event_id, self.id),
         "delete_type" => "DELETE"
     }
-
   end
   #:path => ":rails_root/public/system/:attachment/:id/:style/:filename",
   #    :url => "/system/:attachment/:id/:style/:filename"
 
   #has_paper_trail :meta => {:associated_id => :event_id, :associated_type => "Event"}
-
-
 end

app/models/openid.rb

@@ -11,7 +11,7 @@ class Openid < ActiveRecord::Base
 
     if openid.new_record?
       openid.email = auth.info.email
-      if existing_openid = Openid.where(email: openid.email).first
+      if (existing_openid = Openid.where(email: openid.email).first)
         openid.user_id = existing_openid.user_id
       end
     end

app/models/room.rb

@@ -15,5 +15,4 @@ class Room < ActiveRecord::Base
 #     end while Person.where(:guid => guid).exists?
     self.guid = guid
   end
-
 end

app/models/track.rb

@@ -14,5 +14,4 @@ class Track < ActiveRecord::Base
 #     end while Person.where(:guid => guid).exists?
     self.guid = guid
   end
-
 end

app/models/venue.rb

@@ -11,13 +11,17 @@ class Venue < ActiveRecord::Base
                                     content_type: [/jpg/, /jpeg/, /png/, /gif/],
                                     size: { in: 0..500.kilobytes }
   accepts_nested_attributes_for :lodgings, allow_destroy: true
+
   private
 
+  # TODO: create a module to be mixed into model to perform same operation
+  # event.rb has same functionality which can be shared
+  # TODO: rename guid to UUID as guid is specifically Microsoft term
   def generate_guid
-    begin
-      guid = SecureRandom.urlsafe_base64
-    end while Venue.where(:guid => guid).exists?
-    self.guid = guid
+    loop do
+      @guid = SecureRandom.urlsafe_base64
+      break if !Venue.where(:guid => guid).any?
+    end
+    self.guid = @guid
   end
-
 end

app/models/vote.rb

@@ -4,5 +4,4 @@ class Vote < ActiveRecord::Base
   belongs_to :user
   belongs_to :event
   delegate :name, to: :user
-
 end

config/boot.rb

@@ -3,4 +3,4 @@ require 'rubygems'
 # Set up gems listed in the Gemfile.
 ENV['BUNDLE_GEMFILE'] ||= File.expand_path('../../Gemfile', __FILE__)
 
-require 'bundler/setup' if File.exists?(ENV['BUNDLE_GEMFILE'])
+require 'bundler/setup' if File.exist?(ENV['BUNDLE_GEMFILE'])

config/environment.rb

@@ -7,7 +7,7 @@ begin
   CONFIG = YAML.load_file(path)[Rails.env]
 rescue Exception
   puts "Error while parsing config file #{path}"
-  CONFIG = Hash.new
+  CONFIG = {}
 end
 
 # Initialize the rails application

db/migrate/20121223122842_create_venue_table.rb

@@ -15,5 +15,4 @@ class CreateVenueTable < ActiveRecord::Migration
   def down
     drop_table :venues
   end
-
 end

db/migrate/20130113105652_create_email_table.rb

@@ -12,7 +12,6 @@ class CreateEmailTable < ActiveRecord::Migration
       t.text :confirmed_email_template
       t.timestamps
     end
-
   end
 
   def down

db/migrate/20130515125823_change_attachment_default.rb

@@ -2,6 +2,7 @@ class ChangeAttachmentDefault < ActiveRecord::Migration
   def up
     change_column_default(:event_attachments, :public, true)
   end
+
   def down
     change_column_default(:event_attachments, :public, nil)
   end

db/migrate/20131229072532_registrations_vchoices.rb

@@ -1,6 +1,6 @@
 class RegistrationsVchoices < ActiveRecord::Migration
   def up
-      create_table :registrations_vchoices, :id => false do |t|
+    create_table :registrations_vchoices, :id => false do |t|
       t.references :registration, :vchoice
     end
   end

db/migrate/20140610163947_create_event_users.rb

@@ -30,6 +30,5 @@ class CreateEventUsers < ActiveRecord::Migration
       record.comment = ep.comment
       record.save!
     end
-
   end
 end

db/migrate/20140701123203_add_events_per_week_to_conference.rb

@@ -65,10 +65,9 @@ class AddEventsPerWeekToConference < ActiveRecord::Migration
       conference.save
     end
 
-
     # Cumulate the previous weeks to get a snapshot
     TempConference.all.each do |conference|
-      hash = conference.events_per_week.sort.to_h
+      hash = conference.events_per_week.sort.to_hash
       previous = nil
 
       hash.each do |week, values|

db/seeds.rb

@@ -18,7 +18,7 @@ answer_no = Answer.create(:title => "No")
 
 questions_yes_no = ["Do you need handicapped access to the venue?", "Are you attending with partner?", "Will you attend the social event(s)?", "Will you stay at suggested hotel?"]
 
-for i in questions_yes_no do
+questions_yes_no.each do |i|
   q = Question.create(:title => i, :question_type_id => qtype_yesno.id, :global => true)
 
   Qanswer.create(:question_id => q.id, :answer_id => answer_no.id)

spec/models/conference_spec.rb

@@ -406,7 +406,7 @@ describe Conference do
   end
 
   describe '#difficulty_levels' do
-    before (:each) do
+    before do
       subject.email_settings = create(:email_settings)
       @easy = create(:difficulty_level, title: 'Easy', color: '#000000')
       @hard = create(:difficulty_level, title: 'Hard', color: '#ffffff')
@@ -503,7 +503,7 @@ describe Conference do
   end
 
   describe 'event type distribution' do
-    before (:each) do
+    before do
       subject.email_settings = create(:email_settings)
       @workshop = create(:event_type, title: 'Workshop', color: '#000000')
       @lecture = create(:event_type, title: 'Lecture', color: '#ffffff')
@@ -599,7 +599,7 @@ describe Conference do
   end
 
   describe 'tracks_distribution' do
-    before (:each) do
+    before do
       subject.email_settings = create(:email_settings)
       @track_one = create(:track, name: 'Track One', color: '#000000')
       @track_two = create(:track, name: 'Track Two', color: '#ffffff')

spec/support/login_macros.rb

@@ -1,5 +1,4 @@
 module LoginMacros
-
   include Warden::Test::Helpers
   Warden.test_mode!
 
@@ -10,5 +9,4 @@ module LoginMacros
   def sign_out
     logout(:user)
   end
-
 end

spec/views/home/index.html.haml_spec.rb

@@ -1,7 +1,7 @@
 require 'spec_helper'
 
 describe 'home/index' do
-   it "renders _conference partial for each conference" do
+  it "renders _conference partial for each conference" do
     allow(view).to receive(:date_string).and_return("January 17 - 21 2014")
     assign(:current, [create(:conference), create(:conference)])
     render