Use only new hash syntax

app/controllers/admin/dietchoices_controller.rb

@@ -8,9 +8,9 @@ class Admin::DietchoicesController < ApplicationController
   def update
     begin
       @conference.update_attributes!(params[:conference])
-      redirect_to(admin_conference_dietary_list_path(:conference_id => @conference.short_title), :notice => 'Dietary choices were successfully updated.')
+      redirect_to(admin_conference_dietary_list_path(conference_id: @conference.short_title), notice: 'Dietary choices were successfully updated.')
     rescue => e
-      redirect_to(admin_conference_dietary_list_path(:conference_id => @conference.short_title), :alert => "Dietary choices update failed: #{e.message}")
+      redirect_to(admin_conference_dietary_list_path(conference_id: @conference.short_title), alert: "Dietary choices update failed: #{e.message}")
     end
   end
 end

app/controllers/admin/difficulty_levels_controller.rb

@@ -12,18 +12,18 @@ class Admin::DifficultyLevelsController < ApplicationController
           @conference.use_difficulty_levels = false
           @conference.save!
           flash[:error] = "You cannot enable the usage of difficulty levels without having set any levels."
-          redirect_to(admin_conference_difficulty_levels_path(:conference_id => @conference.short_title))
+          redirect_to(admin_conference_difficulty_levels_path(conference_id: @conference.short_title))
         rescue ActiveRecord::RecordInvalid
           flash[:error] = "Something went wrong. Difficulty Levels update failed."
-          redirect_to(admin_conference_difficulty_levels_path(:conference_id => @conference.short_title))  
+          redirect_to(admin_conference_difficulty_levels_path(conference_id: @conference.short_title))  
         end
       else
         flash[:notice] = "Difficulty Levels were successfully updated."
-        redirect_to(admin_conference_difficulty_levels_path(:conference_id => @conference.short_title))
+        redirect_to(admin_conference_difficulty_levels_path(conference_id: @conference.short_title))
       end
     else
       flash[:error] = "Difficulty Levels update failed."
-      redirect_to(admin_conference_difficulty_levels_path(:conference_id => @conference.short_title))
+      redirect_to(admin_conference_difficulty_levels_path(conference_id: @conference.short_title))
     end
   end
 end

app/controllers/admin/questions_controller.rb

@@ -3,7 +3,7 @@ class Admin::QuestionsController < ApplicationController
 
   def index
     @conference = Conference.find_by(short_title: params[:conference_id])
-    @questions = Question.where(:global => true).all | Question.where(:conference_id => @conference.id)
+    @questions = Question.where(global: true).all | Question.where(conference_id: @conference.id)
     @questions_conference = @conference.questions
     @new_question = @conference.questions.new
   end
@@ -34,7 +34,7 @@ class Admin::QuestionsController < ApplicationController
     @question = Question.find(params[:id])
     
     if @question.global == true && !has_role?(current_user, "Admin")
-      redirect_to(admin_conference_questions_path(:conference_id => @conference.short_title), :alert => "Sorry, you cannot edit global questions. Create a new one.")
+      redirect_to(admin_conference_questions_path(conference_id: @conference.short_title), alert: "Sorry, you cannot edit global questions. Create a new one.")
     end
   end
 
@@ -45,9 +45,9 @@ class Admin::QuestionsController < ApplicationController
     @question = Question.find(params[:id])
 
     if @question.update_attributes(params[:question])
-      redirect_to(admin_conference_questions_path(:conference_id => @conference.short_title), :notice => "Question '#{@question.title}' for #{@conference.short_title} successfully updated.")
+      redirect_to(admin_conference_questions_path(conference_id: @conference.short_title), notice: "Question '#{@question.title}' for #{@conference.short_title} successfully updated.")
     else
-      redirect_to(admin_conference_questions_path(:conference_id => @conference.short_title), :notice => "Update of questions for #{@conference.short_title} failed.")
+      redirect_to(admin_conference_questions_path(conference_id: @conference.short_title), notice: "Update of questions for #{@conference.short_title} failed.")
     end
   end
 
@@ -56,9 +56,9 @@ class Admin::QuestionsController < ApplicationController
     @conference = Conference.find_by(short_title: params[:conference_id])
 
     if @conference.update_attributes(params[:conference])
-      redirect_to(admin_conference_questions_path(:conference_id => @conference.short_title), :notice => "Questions for #{@conference.short_title} successfully updated.")
+      redirect_to(admin_conference_questions_path(conference_id: @conference.short_title), notice: "Questions for #{@conference.short_title} successfully updated.")
     else
-      redirect_to(admin_conference_questions_path(:conference_id => @conference.short_title), :notice => "Update of questions for #{@conference.short_title} failed.")
+      redirect_to(admin_conference_questions_path(conference_id: @conference.short_title), notice: "Update of questions for #{@conference.short_title} failed.")
     end
   end
 
@@ -90,7 +90,7 @@ class Admin::QuestionsController < ApplicationController
       flash[:error] = "You must be an admin to delete a question."
     end
 
-    @questions = Question.where(:global => true).all | Question.where(:conference_id => @conference.id)
+    @questions = Question.where(global: true).all | Question.where(conference_id: @conference.id)
     @questions_conference = @conference.questions
   end
 end

app/controllers/admin/social_events_controller.rb

@@ -7,9 +7,9 @@ class Admin::SocialEventsController < ApplicationController
 
   def update
     if @conference.update_attributes(params[:conference])
-      redirect_to(admin_conference_social_events_path(:conference_id => @conference.short_title), :notice => 'Social events were successfully updated.')
+      redirect_to(admin_conference_social_events_path(conference_id: @conference.short_title), notice: 'Social events were successfully updated.')
     else
-      redirect_to(admin_conference_social_events_path(:conference_id => @conference.short_title), :notice => 'Social events update failed.')
+      redirect_to(admin_conference_social_events_path(conference_id: @conference.short_title), notice: 'Social events update failed.')
     end
   end
 end

app/controllers/admin/supporter_levels_controller.rb

@@ -8,9 +8,9 @@ class Admin::SupporterLevelsController < ApplicationController
   def update
     begin
       @conference.update_attributes!(params[:conference])
-      redirect_to(admin_conference_supporter_levels_path(:conference_id => @conference.short_title), :notice => 'Supporter levels were successfully updated.')
+      redirect_to(admin_conference_supporter_levels_path(conference_id: @conference.short_title), notice: 'Supporter levels were successfully updated.')
     rescue => e
-      redirect_to(admin_conference_supporter_levels_path(:conference_id => @conference.short_title), :alert => "Supporter levels update failed: #{e.message}")
+      redirect_to(admin_conference_supporter_levels_path(conference_id: @conference.short_title), alert: "Supporter levels update failed: #{e.message}")
     end
   end
 end

app/controllers/admin/supporters_controller.rb

@@ -11,6 +11,6 @@ class Admin::SupportersController < ApplicationController
   def create
     params[:supporter_registration][:conference_id] = @conference.id
     SupporterRegistration.create!(params[:supporter_registration])
-    redirect_to(admin_conference_supporters_path(:conference_id => @conference.short_title), :notice => "Supporter added")
+    redirect_to(admin_conference_supporters_path(conference_id: @conference.short_title), notice: "Supporter added")
   end
 end

app/controllers/admin/volunteers_controller.rb

@@ -9,7 +9,7 @@ class Admin::VolunteersController < ApplicationController
     if @conference.use_vpositions
       @volunteers = @conference.registrations.joins(:vchoices).uniq
     else
-      @volunteers = @conference.registrations.where(:volunteer => true)
+      @volunteers = @conference.registrations.where(volunteer: true)
     end
   end
 
@@ -17,9 +17,9 @@ class Admin::VolunteersController < ApplicationController
     @conference = Conference.find_by(short_title: params[:conference_id])
     begin
       @conference.update_attributes!(params[:conference])
-      redirect_to(admin_conference_volunteers_info_path(:conference_id => params[:conference_id]), :notice => "Volunteering options were successfully updated.")
+      redirect_to(admin_conference_volunteers_info_path(conference_id: params[:conference_id]), notice: "Volunteering options were successfully updated.")
     rescue => e
-      redirect_to(admin_conference_volunteers_info_path(:conference_id => params[:conference_id]), :alert => "Volunteering options update failed: #{e.message}")
+      redirect_to(admin_conference_volunteers_info_path(conference_id: params[:conference_id]), alert: "Volunteering options update failed: #{e.message}")
     end
   end
 end

app/controllers/api/v1/conferences_controller.rb

@@ -7,6 +7,6 @@ class Api::V1::ConferencesController < Api::BaseController
     else
       conferences = Conference.find_all_by_guid(params[:conference_id])
     end
-    render :json => conferences, :serializer => ConferencesArraySerializer
+    render json: conferences, serializer: ConferencesArraySerializer
   end
 end

app/controllers/application_controller.rb

@@ -70,7 +70,7 @@ class ApplicationController < ActionController::Base
 
   rescue_from CanCan::AccessDenied do |exception|
     Rails.logger.debug("Access denied!")
-    redirect_to root_path, :alert => exception.message
+    redirect_to root_path, alert: exception.message
   end
   helper_method :organizer_or_admin?
 

app/controllers/event_attachments_controller.rb

@@ -1,6 +1,6 @@
 class EventAttachmentsController < ApplicationController
   before_filter :verify_user
-  skip_before_filter :verify_user, :only => [:show]
+  skip_before_filter :verify_user, only: [:show]
 
   def index
     @proposal = Event.find(params[:proposal_id])
@@ -67,9 +67,9 @@ class EventAttachmentsController < ApplicationController
     respond_to do |format|
       if @upload.save
         format.html {
-          render :json => [@upload.to_jq_upload].to_json,
-                 :content_type => 'text/html',
-                 :layout => false
+          render json: [@upload.to_jq_upload].to_json,
+                 content_type: 'text/html',
+                 layout: false
         }
         format.json do
           render json: [@upload.to_jq_upload].to_json, status: :created,
@@ -108,7 +108,7 @@ class EventAttachmentsController < ApplicationController
     
     respond_to do |format|
 
-      format.html { redirect_back_or_to conference_proposal_index_path(@conference.short_title), :notice => "Deleted successfully attachment '#{@upload.title}' for proposal '#{@proposal.title}'" }
+      format.html { redirect_back_or_to conference_proposal_index_path(@conference.short_title), notice: "Deleted successfully attachment '#{@upload.title}' for proposal '#{@proposal.title}'" }
 
       format.json { head :no_content }
     end

app/controllers/schedule_controller.rb

@@ -2,7 +2,7 @@ class ScheduleController < ApplicationController
   layout "application"
   
   def index
-    @conference = Conference.includes(:rooms, {:events => [:speakers, :track, :event_type]}).where("conferences.short_title" => params[:conference_id]).first
+    @conference = Conference.includes(:rooms, {events: [:speakers, :track, :event_type]}).where("conferences.short_title" => params[:conference_id]).first
     @rooms = @conference.rooms
     @events = @conference.events
     @dates = @conference.start_date..@conference.end_date

app/helpers/application_helper.rb

@@ -126,15 +126,15 @@ module ApplicationHelper
   end
 
   def add_association_link(association_name, form_builder, div_class, html_options = {})
-    link_to_add_association "Add " + association_name.to_s.singularize, form_builder, div_class, html_options.merge(:class => "assoc btn btn-success")
+    link_to_add_association "Add " + association_name.to_s.singularize, form_builder, div_class, html_options.merge(class: "assoc btn btn-success")
   end
 
   def remove_association_link(association_name, form_builder)
-    link_to_remove_association("Remove " + association_name.to_s.singularize, form_builder, :class => "assoc btn btn-danger") + tag(:hr)
+    link_to_remove_association("Remove " + association_name.to_s.singularize, form_builder, class: "assoc btn btn-danger") + tag(:hr)
   end
 
   def dynamic_association(association_name, title, form_builder, options = {})
-    render "shared/dynamic_association", :association_name => association_name, :title => title, :f => form_builder, :hint => options[:hint]
+    render "shared/dynamic_association", association_name: association_name, title: title, f: form_builder, hint: options[:hint]
   end
 
   def has_role?(current_user, role)

app/mailers/mailbot.rb

@@ -55,10 +55,10 @@ class Mailbot < ActionMailer::Base
   end
 
   def build_email(conference, to, subject, body)
-    mail(:to => to,
-         :from => conference.contact_email,
-         :reply_to => conference.contact_email,
-         :subject => subject,
-         :body => body)
+    mail(to: to,
+         from: conference.contact_email,
+         reply_to: conference.contact_email,
+         subject: subject,
+         body: body)
   end
 end

app/models/answer.rb

@@ -2,7 +2,7 @@ class Answer < ActiveRecord::Base
   attr_accessible :title
   
   has_many :qanswers
-  has_many :questions, :through => :qanswers
+  has_many :questions, through: :qanswers
 
-  validates :title, :presence => true
+  validates :title, presence: true
 end

app/models/call_for_papers.rb

@@ -5,7 +5,7 @@ class CallForPapers < ActiveRecord::Base
   belongs_to :conference
 
   validates_presence_of :start_date, :end_date
-  validates :rating, :numericality => { :greater_than_or_equal_to => 0, :less_than_or_equal_to => 10 }
+  validates :rating, numericality: { greater_than_or_equal_to: 0, less_than_or_equal_to: 10 }
 
   ##
   # Calculates how many weeks the call for paper is.

app/models/comment.rb

@@ -1,5 +1,5 @@
 class Comment < ActiveRecord::Base
-  acts_as_nested_set :scope => [:commentable_id, :commentable_type]
+  acts_as_nested_set scope: [:commentable_id, :commentable_type]
   attr_accessible :commentable, :body, :user_id
   validates_presence_of :body
   validates_presence_of :user
@@ -8,7 +8,7 @@ class Comment < ActiveRecord::Base
   # want user to vote on the quality of comments.
   #acts_as_votable
 
-  belongs_to :commentable, :polymorphic => true
+  belongs_to :commentable, polymorphic: true
 
   # NOTE: Comments belong to a user
   belongs_to :user
@@ -18,9 +18,9 @@ class Comment < ActiveRecord::Base
   # example in readme
   def self.build_from(obj, user_id, comment)
     new \
-      :commentable => obj,
-      :body        => comment,
-      :user_id     => user_id
+      commentable: obj,
+      body: comment,
+      user_id: user_id
   end
 
   #helper method to check if a comment has children
@@ -31,13 +31,13 @@ class Comment < ActiveRecord::Base
   # Helper class method to lookup all comments assigned
   # to all commentable types for a given user.
   scope :find_comments_by_user, lambda { |user|
-    where(:user_id => user.id).order('created_at DESC')
+    where(user_id: user.id).order('created_at DESC')
   }
 
   # Helper class method to look up all comments for
   # commentable class name and commentable id.
   scope :find_comments_for_commentable, lambda { |commentable_str, commentable_id|
-    where(:commentable_type => commentable_str.to_s, :commentable_id => commentable_id).order('created_at DESC')
+    where(commentable_type: commentable_str.to_s, commentable_id: commentable_id).order('created_at DESC')
   }
 
   # Helper class method to look up a commentable object

app/models/conference.rb

@@ -89,7 +89,7 @@ class Conference < ActiveRecord::Base
             format: URI::regexp(%w(http https)), allow_blank: true
 
   validates_uniqueness_of :short_title
-  validates_format_of :short_title, :with => /\A[a-zA-Z0-9_-]*\z/
+  validates_format_of :short_title, with: /\A[a-zA-Z0-9_-]*\z/
   before_create :generate_guid
   before_create :create_venue
   before_create :create_event_types

app/models/difficulty_level.rb

@@ -4,5 +4,5 @@ class DifficultyLevel < ActiveRecord::Base
   belongs_to :conference
   has_many :events
 
-  validates :title, :presence => true
+  validates :title, presence: true
 end

app/models/event_attachment.rb

@@ -4,7 +4,7 @@ class EventAttachment < ActiveRecord::Base
   belongs_to :event
   attr_accessible :public, :attachment, :event_id, :title
 
-  has_attached_file :attachment, :path => ":rails_root/storage/:rails_env/attachments/:id/:style/:basename.:extension"
+  has_attached_file :attachment, path: ":rails_root/storage/:rails_env/attachments/:id/:style/:basename.:extension"
   include Rails.application.routes.url_helpers
 
   def to_jq_upload

app/models/event_type.rb

@@ -4,7 +4,7 @@ class EventType < ActiveRecord::Base
   belongs_to :conference
 
   validates :title, presence: true
-  validates :length, :numericality => {:greater_than => 0} 
+  validates :length, numericality: {greater_than: 0} 
   validates :minimum_abstract_length, presence: true
   validates :maximum_abstract_length, presence: true
 

app/models/qanswer.rb

@@ -2,7 +2,7 @@ class Qanswer < ActiveRecord::Base
   attr_accessible :question_id, :answer_id
 
   belongs_to :question
-  belongs_to :answer, :dependent => :delete
+  belongs_to :answer, dependent: :delete
   
   has_and_belongs_to_many :registrations
 end

app/models/question.rb

@@ -4,11 +4,11 @@ class Question < ActiveRecord::Base
   belongs_to :question_type
   has_and_belongs_to_many :conferences
   
-  has_many :qanswers, :dependent => :delete_all
-  has_many :answers, :through => :qanswers, :dependent => :delete_all
+  has_many :qanswers, dependent: :delete_all
+  has_many :answers, through: :qanswers, dependent: :delete_all
   
-  validates :title, :presence => true
-  validates :answers, :presence => true
+  validates :title, presence: true
+  validates :answers, presence: true
   
-  accepts_nested_attributes_for :answers, :allow_destroy => true
+  accepts_nested_attributes_for :answers, allow_destroy: true
 end

app/models/vday.rb

@@ -4,5 +4,5 @@ class Vday < ActiveRecord::Base
   belongs_to :conference
 
   has_many :vchoices
-  has_many :vpositions, :through => :vchoices, :dependent => :destroy
+  has_many :vpositions, through: :vchoices, dependent: :destroy
 end

app/models/venue.rb

@@ -20,7 +20,7 @@ class Venue < ActiveRecord::Base
   def generate_guid
     loop do
       @guid = SecureRandom.urlsafe_base64
-      break if !Venue.where(:guid => guid).any?
+      break if !Venue.where(guid: guid).any?
     end
     self.guid = @guid
   end

app/models/vposition.rb

@@ -4,7 +4,7 @@ class Vposition < ActiveRecord::Base
   belongs_to :conference
 
   has_many :vchoices
-  has_many :vdays, :through => :vchoices
+  has_many :vdays, through: :vchoices
 
   validates_presence_of :title, :vdays
 end