Feature - conference duplication

Gemfile

@@ -37,6 +37,8 @@ gem 'cloudinary'
 
 # for internationalizing
 gem 'rails-i18n'
+# Windows: timezone data (required on Windows for tzinfo)
+gem 'tzinfo-data', platforms: %i[ windows jruby ]
 
 # as authentification framework
 gem 'devise'

Gemfile.lock

@@ -254,8 +254,7 @@ GEM
       faraday (~> 2.0)
     fastimage (2.3.0)
     feature (1.4.0)
-    ffi (1.17.0-arm64-darwin)
-    ffi (1.17.0-x86_64-darwin)
+    ffi (1.17.0-x64-mingw-ucrt)
     ffi (1.17.0-x86_64-linux-gnu)
     font-awesome-sass (6.5.1)
       sassc (~> 2.0)
@@ -384,9 +383,7 @@ GEM
     next_rails (1.3.0)
       colorize (>= 0.8.1)
     nio4r (2.7.0)
-    nokogiri (1.16.6-arm64-darwin)
-      racc (~> 1.4)
-    nokogiri (1.16.6-x86_64-darwin)
+    nokogiri (1.16.6-x64-mingw-ucrt)
       racc (~> 1.4)
     nokogiri (1.16.6-x86_64-linux)
       racc (~> 1.4)
@@ -644,8 +641,7 @@ GEM
       actionpack (>= 5.2)
       activesupport (>= 5.2)
       sprockets (>= 3.0.0)
-    sqlite3 (1.7.2-arm64-darwin)
-    sqlite3 (1.7.2-x86_64-darwin)
+    sqlite3 (1.7.2-x64-mingw-ucrt)
     sqlite3 (1.7.2-x86_64-linux)
     ssrf_filter (1.1.2)
     stripe (5.55.0)
@@ -672,6 +668,8 @@ GEM
     turbolinks-source (5.2.0)
     tzinfo (2.0.6)
       concurrent-ruby (~> 1.0)
+    tzinfo-data (1.2025.3)
+      tzinfo (>= 1.0.0)
     uglifier (4.2.0)
       execjs (>= 0.3.0, < 3)
     unicode-display_width (2.5.0)
@@ -707,11 +705,7 @@ GEM
     zeitwerk (2.6.13)
 
 PLATFORMS
-  arm64-darwin-20
-  arm64-darwin-23
-  arm64-darwin-24
-  x86_64-darwin-21
-  x86_64-darwin-23
+  x64-mingw-ucrt
   x86_64-linux
 
 DEPENDENCIES
@@ -824,6 +818,7 @@ DEPENDENCIES
   timecop
   transitions
   turbolinks
+  tzinfo-data
   uglifier (>= 1.3.0)
   unobtrusive_flash (>= 3)
   web-console
@@ -832,7 +827,7 @@ DEPENDENCIES
   whenever
 
 RUBY VERSION
-   ruby 3.3.8p144
+   ruby 3.3.10p183
 
 BUNDLED WITH
    2.5.6

README.md

@@ -1,4 +1,4 @@
-# [Snap!Con](https://snapcon.org) Base Repository
+## [Snap!Con](https://snapcon.org) Production Repository
 [![Specs](https://github.com/snap-cloud/snapcon/actions/workflows/spec.yml/badge.svg)](https://github.com/snap-cloud/snapcon/actions/workflows/spec.yml)
 [![Maintainability](https://qlty.sh/gh/snap-cloud/projects/snapcon/maintainability.svg)](https://qlty.sh/gh/snap-cloud/projects/snapcon)
 [![Code Coverage](https://qlty.sh/gh/snap-cloud/projects/snapcon/coverage.svg)](https://qlty.sh/gh/snap-cloud/projects/snapcon)

app/assets/stylesheets/application.css

@@ -24,5 +24,5 @@
  *= require selectize.bootstrap3
  *= require conferences
 
- *= require fullcalendar-scheduler/main.css
+  *= require fullcalendar-scheduler/main.css
 */

app/controllers/admin/conferences_controller.rb

@@ -67,19 +67,62 @@ def index
     end
 
     def new
-      @conference = Conference.new
+      if params[:duplicate_from].present?
+        source = Conference.find_by(short_title: params[:duplicate_from])
+        if source && can?(:read, source)
+          @conference = Conference.new(
+            description: source.description,
+            timezone: source.timezone,
+            start_hour: source.start_hour,
+            end_hour: source.end_hour,
+            color: source.color,
+            custom_css: source.custom_css,
+            ticket_layout: source.ticket_layout,
+            registration_limit: source.registration_limit,
+            booth_limit: source.booth_limit,
+            organization_id: source.organization_id
+          )
+          @duplicate_from_source = source.short_title
+        else
+          @conference = Conference.new
+        end
+      else
+        @conference = Conference.new
+      end
     end
 
     def create
       @conference = Conference.new(conference_params)
 
+      if params[:duplicate_from].present?
+        source = Conference.find_by(short_title: params[:duplicate_from])
+        if source && can?(:read, source)
+          @conference.assign_attributes(
+            description: source.description,
+            custom_css: source.custom_css,
+            ticket_layout: source.ticket_layout,
+            registration_limit: source.registration_limit,
+            booth_limit: source.booth_limit,
+            color: source.color,
+            start_hour: source.start_hour,
+            end_hour: source.end_hour
+          )
+        end
+      end
+
       if @conference.save
         # user that creates the conference becomes organizer of that conference
         current_user.add_role :organizer, @conference
 
+        if params[:duplicate_from].present?
+          source = Conference.find_by(short_title: params[:duplicate_from])
+          @conference.copy_associations_from(source) if source && can?(:read, source)
+        end
+
         redirect_to admin_conference_path(id: @conference.short_title),
                     notice: 'Conference was successfully created.'
       else
+        @duplicate_from_source = params[:duplicate_from]
         flash.now[:error] = 'Could not create conference. ' + @conference.errors.full_messages.to_sentence
         render action: 'new'
       end

app/controllers/admin/physical_tickets_controller.rb

@@ -11,6 +11,7 @@ def index
       @physical_tickets = @conference.physical_tickets
       @tickets_sold_distribution = @conference.tickets_sold_distribution
       @tickets_turnover_distribution = @conference.tickets_turnover_distribution
+      @ticket_sales_by_currency_distribution = @conference.ticket_sales_by_currency_distribution
     end
   end
 end

app/models/conference.rb

@@ -564,6 +564,42 @@ def tickets_turnover_distribution
     result
   end
 
+  ##
+  # Gross ticket sales per enabled currency (no refunds/fees).
+  # Returns a hash suitable for donut chart: { "USD" => { value:, color: }, ... }
+  # Only includes currencies that are enabled for the conference (base + conversions).
+  def ticket_sales_by_currency_distribution
+    result = {}
+    enabled_currencies = enabled_currencies_list
+    return result if enabled_currencies.blank?
+
+    # Gross sales: sum(amount_paid_cents * quantity) per currency, paid only
+    sums = ticket_purchases.paid.group(:currency).sum('amount_paid_cents * quantity')
+    enabled_currencies.each do |currency|
+      total_cents = sums[currency].to_i
+      next if total_cents.zero?
+
+      amount = Money.new(total_cents, currency)
+      label = "#{currency} (#{ApplicationController.helpers.humanized_money(amount)})"
+      # Use amount in major units (e.g. 50 for $50) so chart tooltip shows readable numbers, not cents
+      result[label] = {
+        'value' => (total_cents / 100.0).round(2),
+        'color' => "\##{Digest::MD5.hexdigest(currency)[0..5]}"
+      }
+    end
+    result
+  end
+
+  ##
+  # List of currencies enabled for this conference (base + conversion targets).
+  def enabled_currencies_list
+    base = tickets.first&.price_currency
+    return [] if base.blank?
+
+    targets = currency_conversions.pluck(:to_currency).uniq
+    [base] | targets
+  end
+
   ##
   # Calculates the overall program minutes
   #
@@ -805,6 +841,88 @@ def ended?
     end_date < Time.current
   end
 
+  ##
+  # Copies associations from another conference (for duplication).
+  # Includes: registration_period, email_settings, venue+rooms, tickets,
+  # event_types, tracks, difficulty_levels, sponsorship_levels, sponsors.
+  # Excludes: events, registrations, and other user/attendee data.
+  #
+  def copy_associations_from(source)
+    return unless source && source != self
+
+    # Registration period (clamp to new conference dates)
+    if source.registration_period.present?
+      rp = source.registration_period
+      start_d = [rp.start_date, start_date].max
+      end_d = [rp.end_date, end_date].min
+      start_d = end_d = start_date if start_d > end_d
+      create_registration_period!(start_date: start_d, end_date: end_d)
+    end
+
+    # Email settings (conference already has one from create_email_settings)
+    if source.email_settings.present? && email_settings.present?
+      attrs = source.email_settings.attributes.except('id', 'conference_id', 'created_at', 'updated_at')
+      email_settings.update!(attrs)
+    end
+
+    # Venue and rooms (map old room id -> new room for tracks later)
+    room_id_map = {}
+    if source.venue.present?
+      new_venue = create_venue!(
+        source.venue.attributes.slice('name', 'street', 'city', 'country', 'description', 'postalcode', 'website', 'latitude', 'longitude')
+      )
+      source.venue.rooms.order(:id).each_with_index do |old_room, _idx|
+        new_room = new_venue.rooms.create!(
+          old_room.attributes.slice('name', 'size', 'order').merge(guid: SecureRandom.urlsafe_base64)
+        )
+        room_id_map[old_room.id] = new_room.id
+      end
+    end
+
+    # Tickets (conference already has one free ticket from create_free_ticket; skip source's free to avoid duplicate)
+    source.tickets.each do |t|
+      next if t.title == 'Free Access' && t.price_cents.zero?
+
+      tickets.create!(
+        t.attributes.slice('title', 'description', 'price_cents', 'price_currency', 'registration_ticket', 'visible', 'email_subject', 'email_body')
+      )
+    end
+
+    # Event types and difficulty levels (program exists from after_create)
+    source.program&.event_types&.each do |et|
+      program.event_types.create!(
+        et.attributes.slice('title', 'length', 'color', 'description', 'minimum_abstract_length', 'maximum_abstract_length', 'submission_template', 'enable_public_submission')
+      )
+    end
+    source.program&.difficulty_levels&.each do |dl|
+      program.difficulty_levels.create!(
+        dl.attributes.slice('title', 'description', 'color')
+      )
+    end
+
+    # Tracks (assign new room by same index, or nil if no room)
+    source.program&.tracks&.each do |t|
+      old_room_id = t.room_id
+      new_room_id = old_room_id ? room_id_map[old_room_id] : nil
+      program.tracks.create!(
+        t.attributes.slice('name', 'short_name', 'description', 'color', 'state', 'relevance', 'start_date', 'end_date', 'cfp_active').merge(
+          guid: SecureRandom.urlsafe_base64,
+          room_id: new_room_id
+        )
+      )
+    end
+
+    # Sponsorship levels and sponsors
+    source.sponsorship_levels.each do |sl|
+      new_sl = sponsorship_levels.create!(sl.attributes.slice('title', 'position'))
+      sl.sponsors.each do |sp|
+        new_sl.sponsors.create!(
+          sp.attributes.slice('name', 'description', 'website_url')
+        )
+      end
+    end
+  end
+
   private
 
   # Returns a different html colour for every i and consecutive colors are

app/views/admin/conferences/new.html.haml

@@ -1,4 +1,10 @@
+- if @duplicate_from_source
+  .row
+    .col-md-8
+      .alert.alert-info
+        Duplicating from an existing conference. Please set Title, Short title, and Dates for the new conference.
 .row
   .col-md-8
     = form_for(@conference, url: admin_conferences_path) do |f|
+      = hidden_field_tag :duplicate_from, @duplicate_from_source if @duplicate_from_source
       = render partial: 'form_fields', locals: { f: f }

app/views/admin/conferences/show.html.haml

@@ -1,6 +1,7 @@
 %h1
   %span.fa-solid.fa-gauge-high
   Dashboard for #{@conference.title}
+  = link_to 'Duplicate', new_admin_conference_path(duplicate_from: @conference.short_title), class: 'btn btn-primary btn-sm', style: 'margin-left: 12px;'
 %hr
 .row
   .col-sm-3.col-xs-6

app/views/admin/physical_tickets/index.html.haml

@@ -12,6 +12,9 @@
     .col-md-4
       = render 'donut_chart', title: 'Tickets turnover',
         combined_data: @tickets_turnover_distribution
+    .col-md-4
+      = render 'donut_chart', title: 'Gross ticket sales by currency',
+        combined_data: @ticket_sales_by_currency_distribution
   %br
   - if @physical_tickets.any?
     .row

config/puma.rb

@@ -24,15 +24,16 @@
 # Workers do not work on JRuby or Windows (both of which do not support
 # processes).
 #
-workers ENV.fetch('WEB_CONCURRENCY') { 2 }
+worker_count = ENV.fetch('WEB_CONCURRENCY') { Gem.win_platform? ? 0 : 2 }.to_i
+workers worker_count
 # Set a 10 minute timeout in development for debugging.
-worker_timeout 60 * 60 * 10 if ENV.fetch('RAILS_ENV') == 'development'
+worker_timeout 60 * 60 * 10 if ENV.fetch('RAILS_ENV') == 'development' && worker_count > 0
 
 # Use the `preload_app!` method when specifying a `workers` number.
 # This directive tells Puma to first boot the application and load code
 # before forking the application. This takes advantage of Copy On Write
 # process behavior so workers use less memory.
-preload_app!
+preload_app! if worker_count > 0
 
 lowlevel_error_handler do |ex, env|
   Sentry.capture_exception(

info.yml

@@ -0,0 +1,27 @@
+project:
+  name: 'snapcon' # Your project name, e.g. Cue-to-cue
+  owner: 'CS169L-26' # Do not change
+  teamId: '04' # Your team number, e.g. 02
+  identities:
+    heroku: 'https://sp26-04-snapcon.herokuapp.com' # Your Heroku app URL
+  members:
+    member1: # Add all project members
+      name: 'Ethan' # Member 1 name
+      surname: 'Stone' # Member 1 last name
+      githubUsername: 'Ethan-Stone1' # Member 1 GitHub username
+      herokuEmail: 'ethanstone@berkeley.edu' # Member 1 Heroku username
+    member2:
+      name: 'Benjamin'
+      surname: 'Sikes'
+      githubUsername: 'sikesbc'
+      herokuEmail: 'bcsikes@berkeley.edu'
+    member3:
+      name: 'Yijun'
+      surname: 'Zhou'
+      githubUsername: 'zhouyijun111'
+      herokuEmail: 'zhouyijun@berkeley.edu'
+    member4:
+      name: 'Xinwei'
+      surname: 'Li'
+      githubUsername: 'li-xinwei'
+      herokuEmail: 'xinweili@berkeley.edu'