Merge pull request 'Persist and expose via API the progress of the tables arrangement simulations' (#316) from arrangements-status into main

Reviewed-on: #316

.gitea/workflows/tests.yml

@@ -23,7 +23,7 @@ jobs:
         with:
           token: ${{ secrets.GITHUB_TOKEN }}
           ref: ${{ github.head_ref }} # Checkout the actual branch, not the result if merged into the base
-      - uses: ruby/setup-ruby@v1.207.0
+      - uses: ruby/setup-ruby@v1
       - run: bundle install
       - &postgres_wait
         name: Wait until Postgres is ready to accept connections
@@ -65,26 +65,29 @@ jobs:
         if: failure()
         run: docker ps --filter network=$JOB_CONTAINER_NAME-$GITHUB_JOB-network --filter name=$JOB_CONTAINER_NAME-* --format "{{.ID}}" | xargs docker rm -f
   rubocop:
+    if: github.event_name == 'pull_request'
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v4
         with:
           token: ${{ secrets.GITHUB_TOKEN }}
-      - uses: ruby/setup-ruby@v1.207.0
+      - uses: ruby/setup-ruby@v1
       - run: bundle install
       - run: bundle exec rubocop --force-exclusion --parallel
   check-licenses:
+    if: github.event_name == 'pull_request'
     runs-on: ubuntu-latest
     steps:
         - uses: actions/checkout@v4
           with:
             token: ${{ secrets.GITHUB_TOKEN }}
-        - uses: ruby/setup-ruby@v1.207.0
+        - uses: ruby/setup-ruby@v1
         - name: Install project dependencies
           run: bundle install --jobs `getconf _NPROCESSORS_ONLN`
         - name: Run license finder
           run: license_finder
   copyright_notice:
+    if: github.event_name == 'pull_request'
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v4
@@ -121,9 +124,6 @@ jobs:
     timeout-minutes: 30
     needs:
       - unit_tests
-      - rubocop
-      - check-licenses
-      - copyright_notice
     steps:
       - uses: actions/checkout@v4
         with:

.gitignore

@@ -36,3 +36,4 @@
 
 # Ignore swagger generated documentation
 swagger/v1/swagger.yaml
+wedding-planner.code-workspace

.ruby-version

@@ -1 +1 @@
-ruby-3.4.1
+ruby-3.4.3

Dockerfile

@@ -1,7 +1,7 @@
 # syntax = docker/dockerfile:1
 
 # Make sure RUBY_VERSION matches the Ruby version in .ruby-version and Gemfile
-ARG RUBY_VERSION=3.4.1
+ARG RUBY_VERSION=3.4.3
 FROM registry.docker.com/library/ruby:$RUBY_VERSION-slim AS base
 
 # Rails app lives here
@@ -13,7 +13,7 @@ ENV RAILS_ENV="production" \
     BUNDLE_PATH="/usr/local/bundle" \
     BUNDLE_WITHOUT="development"
 
-RUN apt-get update && apt-get install -y nodejs
+RUN apt-get update && apt-get install -y nodejs wkhtmltopdf
 
 # Throw-away build stage to reduce size of final image
 FROM base AS build

Dockerfile.dev

@@ -1,13 +1,13 @@
 # syntax = docker/dockerfile:1
 
 # Make sure RUBY_VERSION matches the Ruby version in .ruby-version and Gemfile
-ARG RUBY_VERSION=3.4.1
+ARG RUBY_VERSION=3.4.3
 FROM registry.docker.com/library/ruby:$RUBY_VERSION-slim as base
 
 # Rails app lives here
 WORKDIR /rails
 
-RUN apt-get update && apt-get install -y nodejs
+RUN apt-get update && apt-get install -y nodejs wkhtmltopdf
 
 FROM base as build
 

Gemfile

@@ -2,7 +2,7 @@
 
 source 'https://rubygems.org'
 
-ruby '3.4.1'
+ruby '3.4.3'
 gem 'bootsnap', require: false
 gem 'csv'
 gem 'importmap-rails'
@@ -33,7 +33,7 @@ group :development, :test do
   gem 'factory_bot_rails'
   gem 'license_finder'
   gem 'pry'
-  gem 'rspec-rails', '~> 7.1.0'
+  gem 'rspec-rails', '~> 8.0.0'
   gem 'shoulda-matchers', '~> 6.0'
 end
 
@@ -51,3 +51,7 @@ gem 'chroma'
 gem 'solid_queue', '~> 1.0'
 
 gem 'devise', '~> 4.9'
+
+gem 'wicked_pdf', '~> 2.8'
+
+gem 'rqrcode', '~> 3.1'

Gemfile.lock

@@ -1,29 +1,29 @@
 GEM
   remote: https://rubygems.org/
   specs:
-    actioncable (8.0.1)
-      actionpack (= 8.0.1)
-      activesupport (= 8.0.1)
+    actioncable (8.0.2)
+      actionpack (= 8.0.2)
+      activesupport (= 8.0.2)
       nio4r (~> 2.0)
       websocket-driver (>= 0.6.1)
       zeitwerk (~> 2.6)
-    actionmailbox (8.0.1)
-      actionpack (= 8.0.1)
-      activejob (= 8.0.1)
-      activerecord (= 8.0.1)
-      activestorage (= 8.0.1)
-      activesupport (= 8.0.1)
+    actionmailbox (8.0.2)
+      actionpack (= 8.0.2)
+      activejob (= 8.0.2)
+      activerecord (= 8.0.2)
+      activestorage (= 8.0.2)
+      activesupport (= 8.0.2)
       mail (>= 2.8.0)
-    actionmailer (8.0.1)
-      actionpack (= 8.0.1)
-      actionview (= 8.0.1)
-      activejob (= 8.0.1)
-      activesupport (= 8.0.1)
+    actionmailer (8.0.2)
+      actionpack (= 8.0.2)
+      actionview (= 8.0.2)
+      activejob (= 8.0.2)
+      activesupport (= 8.0.2)
       mail (>= 2.8.0)
       rails-dom-testing (~> 2.2)
-    actionpack (8.0.1)
-      actionview (= 8.0.1)
-      activesupport (= 8.0.1)
+    actionpack (8.0.2)
+      actionview (= 8.0.2)
+      activesupport (= 8.0.2)
       nokogiri (>= 1.8.5)
       rack (>= 2.2.4)
       rack-session (>= 1.0.1)
@@ -31,35 +31,35 @@ GEM
       rails-dom-testing (~> 2.2)
       rails-html-sanitizer (~> 1.6)
       useragent (~> 0.16)
-    actiontext (8.0.1)
-      actionpack (= 8.0.1)
-      activerecord (= 8.0.1)
-      activestorage (= 8.0.1)
-      activesupport (= 8.0.1)
+    actiontext (8.0.2)
+      actionpack (= 8.0.2)
+      activerecord (= 8.0.2)
+      activestorage (= 8.0.2)
+      activesupport (= 8.0.2)
       globalid (>= 0.6.0)
       nokogiri (>= 1.8.5)
-    actionview (8.0.1)
-      activesupport (= 8.0.1)
+    actionview (8.0.2)
+      activesupport (= 8.0.2)
       builder (~> 3.1)
       erubi (~> 1.11)
       rails-dom-testing (~> 2.2)
       rails-html-sanitizer (~> 1.6)
-    activejob (8.0.1)
-      activesupport (= 8.0.1)
+    activejob (8.0.2)
+      activesupport (= 8.0.2)
       globalid (>= 0.3.6)
-    activemodel (8.0.1)
-      activesupport (= 8.0.1)
-    activerecord (8.0.1)
-      activemodel (= 8.0.1)
-      activesupport (= 8.0.1)
+    activemodel (8.0.2)
+      activesupport (= 8.0.2)
+    activerecord (8.0.2)
+      activemodel (= 8.0.2)
+      activesupport (= 8.0.2)
       timeout (>= 0.4.0)
-    activestorage (8.0.1)
-      actionpack (= 8.0.1)
-      activejob (= 8.0.1)
-      activerecord (= 8.0.1)
-      activesupport (= 8.0.1)
+    activestorage (8.0.2)
+      actionpack (= 8.0.2)
+      activejob (= 8.0.2)
+      activerecord (= 8.0.2)
+      activesupport (= 8.0.2)
       marcel (~> 1.0)
-    activesupport (8.0.1)
+    activesupport (8.0.2)
       base64
       benchmark (>= 0.3)
       bigdecimal
@@ -76,30 +76,33 @@ GEM
       rails (>= 6.0)
     addressable (2.8.7)
       public_suffix (>= 2.0.2, < 7.0)
-    annotaterb (4.13.0)
-    ast (2.4.2)
+    annotaterb (4.18.0)
+      activerecord (>= 6.0.0)
+      activesupport (>= 6.0.0)
+    ast (2.4.3)
     babel-source (5.8.35)
     babel-transpiler (0.7.0)
       babel-source (>= 4.0, < 6)
       execjs (~> 2.0)
-    base64 (0.2.0)
+    base64 (0.3.0)
     bcrypt (3.1.20)
-    benchmark (0.4.0)
-    bigdecimal (3.1.9)
+    benchmark (0.4.1)
+    bigdecimal (3.2.3)
     bindex (0.8.1)
-    bootsnap (1.18.4)
+    bootsnap (1.18.6)
       msgpack (~> 1.2)
     builder (3.3.0)
     childprocess (5.1.0)
       logger (~> 1.5)
     chroma (0.2.0)
+    chunky_png (1.4.0)
     coderay (1.1.3)
     concurrent-ruby (1.3.5)
-    connection_pool (2.4.1)
+    connection_pool (2.5.4)
     crass (1.0.6)
-    csv (3.3.2)
+    csv (3.3.5)
     date (3.4.1)
-    debug (1.10.0)
+    debug (1.11.0)
       irb (~> 1.10)
       reline (>= 0.3.8)
     devise (4.9.4)
@@ -108,42 +111,44 @@ GEM
       railties (>= 4.1.0)
       responders
       warden (~> 1.2.3)
-    diff-lcs (1.5.1)
-    drb (2.2.1)
+    diff-lcs (1.6.2)
+    drb (2.2.3)
+    erb (5.0.2)
     erubi (1.13.1)
     et-orbi (1.2.11)
       tzinfo
     execjs (2.9.1)
-    factory_bot (6.4.6)
-      activesupport (>= 5.0.0)
-    factory_bot_rails (6.4.3)
-      factory_bot (~> 6.4)
-      railties (>= 5.0.0)
-    faker (3.5.1)
+    factory_bot (6.5.5)
+      activesupport (>= 6.1.0)
+    factory_bot_rails (6.5.1)
+      factory_bot (~> 6.5)
+      railties (>= 6.1.0)
+    faker (3.5.2)
       i18n (>= 1.8.11, < 2)
     fugit (1.11.1)
       et-orbi (~> 1, >= 1.2.11)
       raabro (~> 1.4)
     globalid (1.2.1)
       activesupport (>= 6.1)
-    httparty (0.22.0)
+    httparty (0.23.1)
       csv
       mini_mime (>= 1.0.0)
       multi_xml (>= 0.5.2)
     i18n (1.14.7)
       concurrent-ruby (~> 1.0)
-    importmap-rails (2.1.0)
+    importmap-rails (2.2.2)
       actionpack (>= 6.0.0)
       activesupport (>= 6.0.0)
       railties (>= 6.0.0)
-    io-console (0.8.0)
-    irb (1.14.3)
+    io-console (0.8.1)
+    irb (1.15.2)
+      pp (>= 0.6.0)
       rdoc (>= 4.0.0)
       reline (>= 0.4.2)
     jbuilder (2.13.0)
       actionview (>= 5.0.0)
       activesupport (>= 5.0.0)
-    json (2.9.1)
+    json (2.13.2)
     json-schema (5.0.1)
       addressable (~> 2.8)
     jsonapi-deserializable (0.2.0)
@@ -157,7 +162,7 @@ GEM
     jsonapi-renderer (0.2.2)
     jsonapi-serializable (0.3.1)
       jsonapi-renderer (~> 0.2.0)
-    language_server-protocol (3.17.0.3)
+    language_server-protocol (3.17.0.5)
     launchy (3.0.1)
       addressable (~> 2.8)
       childprocess (~> 5.0)
@@ -176,8 +181,9 @@ GEM
       tomlrb (>= 1.3, < 2.1)
       with_env (= 1.1.0)
       xml-simple (~> 1.1.9)
-    logger (1.6.5)
-    loofah (2.23.1)
+    lint_roller (1.1.0)
+    logger (1.7.0)
+    loofah (2.24.1)
       crass (~> 1.0.2)
       nokogiri (>= 1.12.0)
     mail (2.8.1)
@@ -188,97 +194,109 @@ GEM
     marcel (1.0.4)
     method_source (1.1.0)
     mini_mime (1.1.5)
-    mini_portile2 (2.8.8)
-    minitest (5.25.4)
+    mini_portile2 (2.8.9)
+    minitest (5.25.5)
     money (6.19.0)
       i18n (>= 0.6.4, <= 2)
-    msgpack (1.7.2)
+    msgpack (1.7.5)
     multi_xml (0.7.1)
       bigdecimal (~> 3.1)
-    net-imap (0.5.2)
+    net-imap (0.5.6)
       date
       net-protocol
     net-pop (0.1.2)
       net-protocol
     net-protocol (0.2.2)
       timeout
-    net-smtp (0.5.0)
+    net-smtp (0.5.1)
       net-protocol
     nio4r (2.7.4)
-    nokogiri (1.18.1)
+    nokogiri (1.18.9)
       mini_portile2 (~> 2.8.2)
       racc (~> 1.4)
-    nokogiri (1.18.1-aarch64-linux-gnu)
+    nokogiri (1.18.9-aarch64-linux-gnu)
       racc (~> 1.4)
-    nokogiri (1.18.1-arm-linux-gnu)
+    nokogiri (1.18.9-arm-linux-gnu)
       racc (~> 1.4)
-    nokogiri (1.18.1-arm64-darwin)
+    nokogiri (1.18.9-arm64-darwin)
       racc (~> 1.4)
-    nokogiri (1.18.1-x86_64-darwin)
+    nokogiri (1.18.9-x86_64-darwin)
       racc (~> 1.4)
-    nokogiri (1.18.1-x86_64-linux-gnu)
+    nokogiri (1.18.9-x86_64-linux-gnu)
       racc (~> 1.4)
     orm_adapter (0.5.0)
-    parallel (1.26.3)
-    parser (3.3.7.0)
+    ostruct (0.6.2)
+    parallel (1.27.0)
+    parser (3.3.9.0)
       ast (~> 2.4.1)
       racc
-    pg (1.5.9)
+    pg (1.6.1)
+    pg (1.6.1-aarch64-linux)
+    pg (1.6.1-arm64-darwin)
+    pg (1.6.1-x86_64-darwin)
+    pg (1.6.1-x86_64-linux)
     pluck_to_hash (1.0.2)
       activerecord (>= 4.0.2)
       activesupport (>= 4.0.2)
+    pp (0.6.2)
+      prettyprint
+    prettyprint (0.2.0)
+    prism (1.4.0)
     pry (0.15.2)
       coderay (~> 1.1)
       method_source (~> 1.0)
-    psych (5.2.2)
+    psych (5.2.6)
       date
       stringio
     public_suffix (6.0.1)
-    puma (6.5.0)
+    puma (6.6.1)
       nio4r (~> 2.0)
     raabro (1.4.0)
     racc (1.8.1)
-    rack (3.1.8)
-    rack-cors (2.0.2)
-      rack (>= 2.0.0)
-    rack-session (2.0.0)
+    rack (3.2.1)
+    rack-cors (3.0.0)
+      logger
+      rack (>= 3.0.14)
+    rack-session (2.1.1)
+      base64 (>= 0.1.0)
       rack (>= 3.0.0)
-    rack-test (2.1.0)
+    rack-test (2.2.0)
       rack (>= 1.3)
     rackup (2.2.1)
       rack (>= 3)
-    rails (8.0.1)
-      actioncable (= 8.0.1)
-      actionmailbox (= 8.0.1)
-      actionmailer (= 8.0.1)
-      actionpack (= 8.0.1)
-      actiontext (= 8.0.1)
-      actionview (= 8.0.1)
-      activejob (= 8.0.1)
-      activemodel (= 8.0.1)
-      activerecord (= 8.0.1)
-      activestorage (= 8.0.1)
-      activesupport (= 8.0.1)
+    rails (8.0.2)
+      actioncable (= 8.0.2)
+      actionmailbox (= 8.0.2)
+      actionmailer (= 8.0.2)
+      actionpack (= 8.0.2)
+      actiontext (= 8.0.2)
+      actionview (= 8.0.2)
+      activejob (= 8.0.2)
+      activemodel (= 8.0.2)
+      activerecord (= 8.0.2)
+      activestorage (= 8.0.2)
+      activesupport (= 8.0.2)
       bundler (>= 1.15.0)
-      railties (= 8.0.1)
-    rails-dom-testing (2.2.0)
+      railties (= 8.0.2)
+    rails-dom-testing (2.3.0)
       activesupport (>= 5.0.0)
       minitest
       nokogiri (>= 1.6)
     rails-html-sanitizer (1.6.2)
       loofah (~> 2.21)
       nokogiri (>= 1.15.7, != 1.16.7, != 1.16.6, != 1.16.5, != 1.16.4, != 1.16.3, != 1.16.2, != 1.16.1, != 1.16.0.rc1, != 1.16.0)
-    railties (8.0.1)
-      actionpack (= 8.0.1)
-      activesupport (= 8.0.1)
+    railties (8.0.2)
+      actionpack (= 8.0.2)
+      activesupport (= 8.0.2)
       irb (~> 1.13)
       rackup (>= 1.0.0)
       rake (>= 12.2)
       thor (~> 1.0, >= 1.2.2)
       zeitwerk (~> 2.6)
     rainbow (3.1.1)
-    rake (13.2.1)
-    rdoc (6.10.0)
+    rake (13.3.0)
+    rdoc (6.14.2)
+      erb
       psych (>= 4.0.0)
     react-rails (3.2.1)
       babel-transpiler (>= 0.7.0)
@@ -286,34 +304,38 @@ GEM
       execjs
       railties (>= 3.2)
       tilt
-    redis (5.3.0)
+    redis (5.4.1)
       redis-client (>= 0.22.0)
-    redis-client (0.22.2)
+    redis-client (0.23.2)
       connection_pool
-    regexp_parser (2.10.0)
-    reline (0.6.0)
+    regexp_parser (2.11.0)
+    reline (0.6.2)
       io-console (~> 0.5)
     responders (3.1.1)
       actionpack (>= 5.2)
       railties (>= 5.2)
     rexml (3.3.9)
-    rspec-core (3.13.2)
+    rqrcode (3.1.0)
+      chunky_png (~> 1.0)
+      rqrcode_core (~> 2.0)
+    rqrcode_core (2.0.0)
+    rspec-core (3.13.5)
       rspec-support (~> 3.13.0)
-    rspec-expectations (3.13.3)
+    rspec-expectations (3.13.5)
       diff-lcs (>= 1.2.0, < 2.0)
       rspec-support (~> 3.13.0)
-    rspec-mocks (3.13.2)
+    rspec-mocks (3.13.5)
       diff-lcs (>= 1.2.0, < 2.0)
       rspec-support (~> 3.13.0)
-    rspec-rails (7.1.0)
-      actionpack (>= 7.0)
-      activesupport (>= 7.0)
-      railties (>= 7.0)
+    rspec-rails (8.0.2)
+      actionpack (>= 7.2)
+      activesupport (>= 7.2)
+      railties (>= 7.2)
       rspec-core (~> 3.13)
       rspec-expectations (~> 3.13)
       rspec-mocks (~> 3.13)
       rspec-support (~> 3.13)
-    rspec-support (3.13.1)
+    rspec-support (3.13.5)
     rswag (2.16.0)
       rswag-api (= 2.16.0)
       rswag-specs (= 2.16.0)
@@ -329,44 +351,50 @@ GEM
     rswag-ui (2.16.0)
       actionpack (>= 5.2, < 8.1)
       railties (>= 5.2, < 8.1)
-    rubocop (1.71.0)
+    rubocop (1.79.2)
       json (~> 2.3)
-      language_server-protocol (>= 3.17.0)
+      language_server-protocol (~> 3.17.0.2)
+      lint_roller (~> 1.1.0)
       parallel (~> 1.10)
       parser (>= 3.3.0.2)
       rainbow (>= 2.2.2, < 4.0)
       regexp_parser (>= 2.9.3, < 3.0)
-      rubocop-ast (>= 1.36.2, < 2.0)
+      rubocop-ast (>= 1.46.0, < 2.0)
       ruby-progressbar (~> 1.7)
       unicode-display_width (>= 2.4.0, < 4.0)
-    rubocop-ast (1.37.0)
-      parser (>= 3.3.1.0)
-    rubocop-factory_bot (2.26.1)
-      rubocop (~> 1.61)
-    rubocop-rails (2.29.1)
+    rubocop-ast (1.46.0)
+      parser (>= 3.3.7.2)
+      prism (~> 1.4)
+    rubocop-factory_bot (2.27.1)
+      lint_roller (~> 1.1)
+      rubocop (~> 1.72, >= 1.72.1)
+    rubocop-rails (2.32.0)
       activesupport (>= 4.2.0)
+      lint_roller (~> 1.1)
       rack (>= 1.1)
-      rubocop (>= 1.52.0, < 2.0)
-      rubocop-ast (>= 1.31.1, < 2.0)
-    rubocop-rspec (3.4.0)
-      rubocop (~> 1.61)
-    rubocop-rspec_rails (2.30.0)
-      rubocop (~> 1.61)
-      rubocop-rspec (~> 3, >= 3.0.1)
+      rubocop (>= 1.75.0, < 2.0)
+      rubocop-ast (>= 1.44.0, < 2.0)
+    rubocop-rspec (3.6.0)
+      lint_roller (~> 1.1)
+      rubocop (~> 1.72, >= 1.72.1)
+    rubocop-rspec_rails (2.31.0)
+      lint_roller (~> 1.1)
+      rubocop (~> 1.72, >= 1.72.1)
+      rubocop-rspec (~> 3.5)
     ruby-progressbar (1.13.0)
     rubytree (2.1.1)
       json (~> 2.0, > 2.9)
     rubyzip (2.3.2)
     securerandom (0.4.1)
-    shoulda-matchers (6.4.0)
+    shoulda-matchers (6.5.0)
       activesupport (>= 5.2.0)
-    solid_queue (1.1.2)
+    solid_queue (1.2.1)
       activejob (>= 7.1)
       activerecord (>= 7.1)
       concurrent-ruby (>= 1.3.1)
       fugit (~> 1.11.0)
       railties (>= 7.1)
-      thor (~> 1.3.1)
+      thor (>= 1.3.1)
     sprockets (4.2.1)
       concurrent-ruby (~> 1.0)
       rack (>= 2.2.4, < 4)
@@ -376,18 +404,18 @@ GEM
       sprockets (>= 3.0.0)
     stimulus-rails (1.3.4)
       railties (>= 6.0.0)
-    stringio (3.1.2)
-    thor (1.3.2)
+    stringio (3.1.7)
+    thor (1.4.0)
     tilt (2.4.0)
     timeout (0.4.3)
     tomlrb (2.0.3)
-    turbo-rails (2.0.11)
-      actionpack (>= 6.0.0)
-      railties (>= 6.0.0)
+    turbo-rails (2.0.16)
+      actionpack (>= 7.1.0)
+      railties (>= 7.1.0)
     tzinfo (2.0.6)
       concurrent-ruby (~> 1.0)
     unicode-display_width (2.6.0)
-    uri (1.0.2)
+    uri (1.0.3)
     useragent (0.16.11)
     warden (1.2.9)
       rack (>= 2.0.9)
@@ -396,13 +424,17 @@ GEM
       activemodel (>= 6.0.0)
       bindex (>= 0.4.0)
       railties (>= 6.0.0)
-    websocket-driver (0.7.6)
+    websocket-driver (0.7.7)
+      base64
       websocket-extensions (>= 0.1.0)
     websocket-extensions (0.1.5)
+    wicked_pdf (2.8.2)
+      activesupport
+      ostruct
     with_env (1.1.0)
     xml-simple (1.1.9)
       rexml
-    zeitwerk (2.7.1)
+    zeitwerk (2.7.3)
 
 PLATFORMS
   aarch64-linux
@@ -437,7 +469,8 @@ DEPENDENCIES
   rails (~> 8.0.0, >= 8.0.0)
   react-rails
   redis (>= 4.0.1)
-  rspec-rails (~> 7.1.0)
+  rqrcode (~> 3.1)
+  rspec-rails (~> 8.0.0)
   rswag
   rubocop
   rubocop-factory_bot
@@ -452,59 +485,62 @@ DEPENDENCIES
   turbo-rails
   tzinfo-data
   web-console
+  wicked_pdf (~> 2.8)
 
 CHECKSUMS
-  actioncable (8.0.1) sha256=808bff2a4e3aba36f66f0cd65d7a1579ad52fb65e99304442c46051a79689d9b
-  actionmailbox (8.0.1) sha256=bbc7db779be857fb6eb5b53f313d3881cd8cda38a150c3aa25f89f2f9977b08c
-  actionmailer (8.0.1) sha256=7b074e9590e4ec5cebd2fc91d1f9ba4c61bbd4bbd4376f731527da187cd39952
-  actionpack (8.0.1) sha256=c764e4bfc0ad9d3505c09ef9b6fbf9eca4292793550c6b7e2ea93167181bfcba
-  actiontext (8.0.1) sha256=f232d303e854db2098f34d7331fe493a72dc2e53dfce80fbd517c7b93d4b05b2
-  actionview (8.0.1) sha256=3005e3de5ca49ea789bf1ad46002d63fe5aa543c61c341239d3c533757e64f8a
-  activejob (8.0.1) sha256=95acd9a32d498d3a458efbb317f6191fb678758cde0ebb6c68f0b25e0fe3477f
-  activemodel (8.0.1) sha256=f46292fd6dcc128e18d588854298a933fd9eb22544c412b414ec02821062dc78
-  activerecord (8.0.1) sha256=34a7f0610660bb704f0363025d4b8d35ffe8ddc8f5b8147e0809171f724b5306
-  activestorage (8.0.1) sha256=91a8f156638568fac971ff25962a617d9c58fdc0e44eb6bd0edff36aff7df205
-  activesupport (8.0.1) sha256=fd5bc74641c24ac3541055c2879789198ff42adee3e39c2933289ba008912e37
+  actioncable (8.0.2) sha256=7bcce2df62e91a80143592600e16583c273e98aab50ae40a9f6a2604bb3289a0
+  actionmailbox (8.0.2) sha256=3d8fb3453913e6257da4d02004bbfa2b997dfd10672f8d990e95013983e2cedb
+  actionmailer (8.0.2) sha256=b0c968b38576ec56a3dc2795931818e0aaae6a18cc9801f53f175c12d4b277d0
+  actionpack (8.0.2) sha256=93e703064f3815295ccf820f57acbca719aec836749597da9262781c9b2f4b78
+  actiontext (8.0.2) sha256=a40db32032ee2fbb479d5d69318c4284344c1cda73836fd73ffcdb917d203abf
+  actionview (8.0.2) sha256=e038e1405cdfc18f04f17243da4fb8eeda3a4992f63a6d70a7281d255cf7cebb
+  activejob (8.0.2) sha256=b0228b45e36b1ef3a081c684e81494147e094a6baf729018756ccf125b1853ca
+  activemodel (8.0.2) sha256=0ae1fb7fa1fae0699ba041a9e97702df42ea3b13f2d39f2d0fde51fca5f0656c
+  activerecord (8.0.2) sha256=793470b92c44e4198d0262ac60086b7822f0ea585079ad67e32a6e4c86f2d90a
+  activestorage (8.0.2) sha256=f83d221e0f06ae38f2200e55490bd155c76d0add330f6e300e8646048d672977
+  activesupport (8.0.2) sha256=8565cddba31b900cdc17682fd66ecd020441e3eef320a9930285394e8c07a45e
   acts_as_tenant (1.0.1) sha256=6944e4d64533337938a8817a6b4ff9b11189c9dcc0b1333bb89f3821a4c14c53
   addressable (2.8.7) sha256=462986537cf3735ab5f3c0f557f14155d778f4b43ea4f485a9deb9c8f7c58232
-  annotaterb (4.13.0) sha256=6f472912002fefa735665b4132de47d0134ebf1efb76a7ef05f579cc4a6b2ff1
-  ast (2.4.2) sha256=1e280232e6a33754cde542bc5ef85520b74db2aac73ec14acef453784447cc12
+  annotaterb (4.18.0) sha256=a07ec5d3e8f063308dbbf17970a74155434504a3c3887511cd94fbc83c4f4294
+  ast (2.4.3) sha256=954615157c1d6a382bc27d690d973195e79db7f55e9765ac7c481c60bdb4d383
   babel-source (5.8.35) sha256=79ef222a9dcb867ac2efa3b0da35b4bcb15a4bfa67b6b2dcbf1e9a29104498d9
   babel-transpiler (0.7.0) sha256=4c06f4ad9e8e1cabe94f99e11df2f140bb72aca9ba067dbb49dc14d9b98d1570
-  base64 (0.2.0) sha256=0f25e9b21a02a0cc0cea8ef92b2041035d39350946e8789c562b2d1a3da01507
+  base64 (0.3.0) sha256=27337aeabad6ffae05c265c450490628ef3ebd4b67be58257393227588f5a97b
   bcrypt (3.1.20) sha256=8410f8c7b3ed54a3c00cd2456bf13917d695117f033218e2483b2e40b0784099
-  benchmark (0.4.0) sha256=0f12f8c495545e3710c3e4f0480f63f06b4c842cc94cec7f33a956f5180e874a
-  bigdecimal (3.1.9) sha256=2ffc742031521ad69c2dfc815a98e426a230a3d22aeac1995826a75dabfad8cc
+  benchmark (0.4.1) sha256=d4ef40037bba27f03b28013e219b950b82bace296549ec15a78016552f8d2cce
+  bigdecimal (3.2.3) sha256=ffd11d1ac67a0d3b2f44aec0a6487210b3f813f363dd11f1fcccf5ba00da4e1b
   bindex (0.8.1) sha256=7b1ecc9dc539ed8bccfc8cb4d2732046227b09d6f37582ff12e50a5047ceb17e
-  bootsnap (1.18.4) sha256=ac4c42af397f7ee15521820198daeff545e4c360d2772c601fbdc2c07d92af55
+  bootsnap (1.18.6) sha256=0ae2393c1e911e38be0f24e9173e7be570c3650128251bf06240046f84a07d00
   builder (3.3.0) sha256=497918d2f9dca528fdca4b88d84e4ef4387256d984b8154e9d5d3fe5a9c8835f
   childprocess (5.1.0) sha256=9a8d484be2fd4096a0e90a0cd3e449a05bc3aa33f8ac9e4d6dcef6ac1455b6ec
   chroma (0.2.0) sha256=64bdcd36a4765fbcd45adc64960cc153101300b4918f90ffdd89f4e2eb954b54
+  chunky_png (1.4.0) sha256=89d5b31b55c0cf4da3cf89a2b4ebc3178d8abe8cbaf116a1dba95668502fdcfe
   coderay (1.1.3) sha256=dc530018a4684512f8f38143cd2a096c9f02a1fc2459edcfe534787a7fc77d4b
   concurrent-ruby (1.3.5) sha256=813b3e37aca6df2a21a3b9f1d497f8cbab24a2b94cab325bffe65ee0f6cbebc6
-  connection_pool (2.4.1) sha256=0f40cf997091f1f04ff66da67eabd61a9fe0d4928b9a3645228532512fab62f4
+  connection_pool (2.5.4) sha256=e9e1922327416091f3f6542f5f4446c2a20745276b9aa796dd0bb2fd0ea1e70a
   crass (1.0.6) sha256=dc516022a56e7b3b156099abc81b6d2b08ea1ed12676ac7a5657617f012bd45d
-  csv (3.3.2) sha256=6ff0c135e65e485d1864dde6c1703b60d34cc9e19bed8452834a0b28a519bd4e
+  csv (3.3.5) sha256=6e5134ac3383ef728b7f02725d9872934f523cb40b961479f69cf3afa6c8e73f
   date (3.4.1) sha256=bf268e14ef7158009bfeaec40b5fa3c7271906e88b196d958a89d4b408abe64f
-  debug (1.10.0) sha256=11e28ca74875979e612444104f3972bd5ffb9e79179907d7ad46dba44bd2e7a4
+  debug (1.11.0) sha256=1425db64cfa0130c952684e3dc974985be201dd62899bf4bbe3f8b5d6cf1aef2
   devise (4.9.4) sha256=920042fe5e704c548aa4eb65ebdd65980b83ffae67feb32c697206bfd975a7f8
-  diff-lcs (1.5.1) sha256=273223dfb40685548436d32b4733aa67351769c7dea621da7d9dd4813e63ddfe
-  drb (2.2.1) sha256=e9d472bf785f558b96b25358bae115646da0dbfd45107ad858b0bc0d935cb340
+  diff-lcs (1.6.2) sha256=9ae0d2cba7d4df3075fe8cd8602a8604993efc0dfa934cff568969efb1909962
+  drb (2.2.3) sha256=0b00d6fdb50995fe4a45dea13663493c841112e4068656854646f418fda13373
+  erb (5.0.2) sha256=d30f258143d4300fb4ecf430042ac12970c9bb4b33c974a545b8f58c1ec26c0f
   erubi (1.13.1) sha256=a082103b0885dbc5ecf1172fede897f9ebdb745a4b97a5e8dc63953db1ee4ad9
   et-orbi (1.2.11) sha256=d26e868cc21db88280a9ec1a50aa3da5d267eb9b2037ba7b831d6c2731f5df64
   execjs (2.9.1) sha256=e8fd066f6df60c8e8fbebc32c6fb356b5212c77374e8416a9019ca4bb154dcfb
-  factory_bot (6.4.6) sha256=1a9486ce98d318d740d8f5804b885a8265a28f326ecf2bcd4ce9fb27a71a6e04
-  factory_bot_rails (6.4.3) sha256=ea73ceac1c0ff3dc11fff390bf2ea8a2604066525ed8ecd3b3bc2c267226dcc8
-  faker (3.5.1) sha256=1ad1fbea279d882f486059c23fe3ddb816ccd1d7052c05a45014b4450d859bfc
+  factory_bot (6.5.5) sha256=ce59295daee1b4704dab8a2fee6816f513d467c6aa3bc587860767d74a66efbe
+  factory_bot_rails (6.5.1) sha256=d3cc4851eae4dea8a665ec4a4516895045e710554d2b5ac9e68b94d351bc6d68
+  faker (3.5.2) sha256=f9a80291b2e3f259801d1dd552f0732fe04dce5d1f74e798365bc0413789c473
   fugit (1.11.1) sha256=e89485e7be22226d8e9c6da411664d0660284b4b1c08cacb540f505907869868
   globalid (1.2.1) sha256=70bf76711871f843dbba72beb8613229a49429d1866828476f9c9d6ccc327ce9
-  httparty (0.22.0) sha256=78652a5c9471cf0093d3b2083c2295c9c8f12b44c65112f1846af2b71430fa6c
+  httparty (0.23.1) sha256=3ac1dd62f2010f6ece551716f5ceec2b2012011d89f1751917ab7f724e966b55
   i18n (1.14.7) sha256=ceba573f8138ff2c0915427f1fc5bdf4aa3ab8ae88c8ce255eb3ecf0a11a5d0f
-  importmap-rails (2.1.0) sha256=9f10c67d60651a547579f448100d033df311c5d5db578301374aeb774faae741
-  io-console (0.8.0) sha256=cd6a9facbc69871d69b2cb8b926fc6ea7ef06f06e505e81a64f14a470fddefa2
-  irb (1.14.3) sha256=c457f1f2f1438ae9ce5c5be3981ae2138dec7fb894c7d73777eeeb0a6c0d0752
+  importmap-rails (2.2.2) sha256=729f5b1092f832780829ade1d0b46c7e53d91c556f06da7254da2977e93fe614
+  io-console (0.8.1) sha256=1e15440a6b2f67b6ea496df7c474ed62c860ad11237f29b3bd187f054b925fcb
+  irb (1.15.2) sha256=222f32952e278da34b58ffe45e8634bf4afc2dc7aa9da23fed67e581aa50fdba
   jbuilder (2.13.0) sha256=7200a38a1c0081aa81b7a9757e7a299db75bc58cf1fd45ca7919a91627d227d6
-  json (2.9.1) sha256=d2bdef4644052fad91c1785d48263756fe32fcac08b96a20bb15840e96550d11
+  json (2.13.2) sha256=02e1f118d434c6b230a64ffa5c8dee07e3ec96244335c392eaed39e1199dbb68
   json-schema (5.0.1) sha256=bef71a82c600a42594911553522e143f7634affc198ed507ef3ded2f920a74a9
   jsonapi-deserializable (0.2.0) sha256=5f0ca2d3f8404cce1584a314e8a3753be32a56054c942adfe997b87e92bce147
   jsonapi-parser (0.1.1) sha256=9ee0dc031e88fc7548d56fab66f9716d1e1c06f972b529b8c4617bc42a097020
@@ -512,107 +548,119 @@ CHECKSUMS
   jsonapi-rb (0.5.0) sha256=7922a164278f506c43d56277f6bd0800a0b603cc985f7f63fe7241b2628bd105
   jsonapi-renderer (0.2.2) sha256=b5c44b033d61b4abdb6500fa4ab84807ca0b36ea0e59e47a2c3ca7095a6e447b
   jsonapi-serializable (0.3.1) sha256=221e657677659d798e268a33ec97a83ec5ea0e4233f931358db84e88056552e9
-  language_server-protocol (3.17.0.3) sha256=3d5c58c02f44a20d972957a9febe386d7e7468ab3900ce6bd2b563dd910c6b3f
+  language_server-protocol (3.17.0.5) sha256=fd1e39a51a28bf3eec959379985a72e296e9f9acfce46f6a79d31ca8760803cc
   launchy (3.0.1) sha256=b7fa60bda0197cf57614e271a250a8ca1f6a34ab889a3c73f67ec5d57c8a7f2c
   letter_opener (1.10.0) sha256=2ff33f2e3b5c3c26d1959be54b395c086ca6d44826e8bf41a14ff96fdf1bdbb2
   letter_opener_web (3.0.0) sha256=3f391efe0e8b9b24becfab5537dfb17a5cf5eb532038f947daab58cb4b749860
   license_finder (7.2.1) sha256=179ead19b64b170638b72fd16024233813673ac9d20d5ba75ae0b4444887ef14
-  logger (1.6.5) sha256=c3cfe56d01656490ddd103d38b8993d73d86296adebc5f58cefc9ec03741e56b
-  loofah (2.23.1) sha256=d0a07422cb3b69272e124afa914ef6d517e30d5496b7f1c1fc5b95481f13f75e
+  lint_roller (1.1.0) sha256=2c0c845b632a7d172cb849cc90c1bce937a28c5c8ccccb50dfd46a485003cc87
+  logger (1.7.0) sha256=196edec7cc44b66cfb40f9755ce11b392f21f7967696af15d274dde7edff0203
+  loofah (2.24.1) sha256=655a30842b70ec476410b347ab1cd2a5b92da46a19044357bbd9f401b009a337
   mail (2.8.1) sha256=ec3b9fadcf2b3755c78785cb17bc9a0ca9ee9857108a64b6f5cfc9c0b5bfc9ad
   marcel (1.0.4) sha256=0d5649feb64b8f19f3d3468b96c680bae9746335d02194270287868a661516a4
   method_source (1.1.0) sha256=181301c9c45b731b4769bc81e8860e72f9161ad7d66dd99103c9ab84f560f5c5
   mini_mime (1.1.5) sha256=8681b7e2e4215f2a159f9400b5816d85e9d8c6c6b491e96a12797e798f8bccef
-  mini_portile2 (2.8.8) sha256=8e47136cdac04ce81750bb6c09733b37895bf06962554e4b4056d78168d70a75
-  minitest (5.25.4) sha256=9cf2cae25ac4dfc90c988ebc3b917f53c054978b673273da1bd20bcb0778f947
+  mini_portile2 (2.8.9) sha256=0cd7c7f824e010c072e33f68bc02d85a00aeb6fce05bb4819c03dfd3c140c289
+  minitest (5.25.5) sha256=391b6c6cb43a4802bfb7c93af1ebe2ac66a210293f4a3fb7db36f2fc7dc2c756
   money (6.19.0) sha256=ec936fa1e42f2783719241ed9fd52725d0efa628f928feea1eb5c37d5de7daf3
-  msgpack (1.7.2) sha256=59ab62fd8a4d0dfbde45009f87eb6f158ab2628a7c48886b0256f175166baaa8
+  msgpack (1.7.5) sha256=ffb04979f51e6406823c03abe50e1da2c825c55a37dee138518cdd09d9d3aea8
   multi_xml (0.7.1) sha256=4fce100c68af588ff91b8ba90a0bb3f0466f06c909f21a32f4962059140ba61b
-  net-imap (0.5.2) sha256=e955b55e539712518bdb4eb747c6514f9c8d56ec4eb8eb573a82a6885a9effea
+  net-imap (0.5.6) sha256=1ede8048ee688a14206060bf37a716d18cb6ea00855f6c9b15daee97ee51fbe5
   net-pop (0.1.2) sha256=848b4e982013c15b2f0382792268763b748cce91c9e91e36b0f27ed26420dff3
   net-protocol (0.2.2) sha256=aa73e0cba6a125369de9837b8d8ef82a61849360eba0521900e2c3713aa162a8
-  net-smtp (0.5.0) sha256=5fc0415e6ea1cc0b3dfea7270438ec22b278ca8d524986a3ae4e5ae8d087b42a
+  net-smtp (0.5.1) sha256=ed96a0af63c524fceb4b29b0d352195c30d82dd916a42f03c62a3a70e5b70736
   nio4r (2.7.4) sha256=d95dee68e0bb251b8ff90ac3423a511e3b784124e5db7ff5f4813a220ae73ca9
-  nokogiri (1.18.1) sha256=df18be7e96c34736b6abfdeda80c6e845134fb9afe2fe5d4fbc1cf1f89c68475
-  nokogiri (1.18.1-aarch64-linux-gnu) sha256=35837013800e34342fcbaca305f8c49231f6bd4f779bfa23fe7b4686ae82d5b8
-  nokogiri (1.18.1-arm-linux-gnu) sha256=3b873fd6b0cd1ad7c77e87af701075bdfd14c9a6b2f2965c5e00ed29a5627a37
-  nokogiri (1.18.1-arm64-darwin) sha256=d75193f284c899d225943a8944479faedd995a7573ddd5c8308ffbdf2ec55204
-  nokogiri (1.18.1-x86_64-darwin) sha256=d94e3aa6483577495fc8969d6b4b5c075840ce6b1ab09636a6d4177ad171051d
-  nokogiri (1.18.1-x86_64-linux-gnu) sha256=e516cf16ccde67ed4cc595a2621ca5ddd42562ecb24928914b0045a20a41620e
+  nokogiri (1.18.9) sha256=ac5a7d93fd0e3cef388800b037407890882413feccca79eb0272a2715a82fa33
+  nokogiri (1.18.9-aarch64-linux-gnu) sha256=5bcfdf7aa8d1056a7ad5e52e1adffc64ef53d12d0724fbc6f458a3af1a4b9e32
+  nokogiri (1.18.9-arm-linux-gnu) sha256=fe611ae65880e445a9c0f650d52327db239f3488626df4173c05beafd161d46e
+  nokogiri (1.18.9-arm64-darwin) sha256=eea3f1f06463ff6309d3ff5b88033c4948d0da1ab3cc0a3a24f63c4d4a763979
+  nokogiri (1.18.9-x86_64-darwin) sha256=e0d2deb03d3d7af8016e8c9df5ff4a7d692159cefb135cbb6a4109f265652348
+  nokogiri (1.18.9-x86_64-linux-gnu) sha256=b52f5defedc53d14f71eeaaf990da66b077e1918a2e13088b6a96d0230f44360
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   pluck_to_hash (1.0.2) sha256=1599906239716f98262a41493dd7d4cb72e8d83ad3d76d666deacfc5de50a47e
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   websocket-extensions (0.1.5) sha256=1c6ba63092cda343eb53fc657110c71c754c56484aad42578495227d717a8241
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+  zeitwerk (2.7.3) sha256=b2e86b4a9b57d26ba68a15230dcc7fe6f040f06831ce64417b0621ad96ba3e85
 
 RUBY VERSION
-   ruby 3.4.1p0
+   ruby 3.4.3p32
 
 BUNDLED WITH
    2.6.1

README.md

@@ -57,6 +57,12 @@ The backend service will seed the database with fake data. It's worth noting tha
 
 The backend, frontend and workers have hot-reloading enabled, so changes made to the codebase should be reflected in the application on the next request.
 
+Please, include this in your `/etc/hosts` file:
+
+```
+127.0.0.1 libre-wedding-planner.app.localhost
+```
+
 Once all containers have started, visit http://libre-wedding-planner.app.localhost/default/dashboard to load the application.
 
 ## Multitenancy

app/controllers/guests_controller.rb

@@ -5,21 +5,31 @@
 require 'csv'
 
 class GuestsController < ApplicationController
+  GUEST_PARAMS = { only: %i[id name status], include: { group: { only: %i[id name] } } }.freeze
+
+  skip_before_action :authenticate_user!, only: :update
+
   def index
     render json: Guest.includes(:group)
                       .left_joins(:group)
-                      .order('groups.name' => :asc, name: :asc)
-                      .as_json(only: %i[id name status], include: { group: { only: %i[id name] } })
+                      .order('groups.name' => :asc, invitation_id: :asc, name: :asc)
+                      .as_json(GUEST_PARAMS)
   end
 
   def create
-    Guest.create!(guest_params)
-    render json: {}, status: :created
+    guest = Guest.create!(guest_params)
+    render json: guest.as_json(GUEST_PARAMS), status: :created
   end
 
   def update
-    Guest.find(params[:id]).update!(guest_params)
-    render json: {}, status: :ok
+    guest = Guest.find(params[:id])
+    guest.update!(guest_params)
+
+    if !user_signed_in? && guest.saved_change_to_status?
+      AdminMailer.with(guest_id: guest.id).attendance_change_email.deliver_later
+    end
+
+    render json: guest.as_json(GUEST_PARAMS), status: :ok
   end
 
   def destroy
@@ -30,6 +40,6 @@ class GuestsController < ApplicationController
   private
 
   def guest_params
-    params.expect(guest: %i[name group_id status])
+    user_signed_in? ? params.expect(guest: %i[name group_id status]) : params.expect(guest: %i[status])
   end
 end

app/controllers/invitations_controller.rb

@@ -0,0 +1,76 @@
+# Copyright (C) 2024-2025 LibreWeddingPlanner contributors
+
+# frozen_string_literal: true
+
+class InvitationsController < ApplicationController
+  skip_before_action :authenticate_user!, only: :show
+
+  def index
+    @invitations = Invitation.includes(:guests).all
+    respond_to do |format|
+      format.json do
+        render json: @invitations.as_json(
+          only: :id,
+          include: { guests: { only: %i[id name] } }
+        )
+      end
+      format.pdf do
+        pdf_html = ActionController::Base.new.render_to_string(
+          template: 'invitations/sheet',
+          layout: 'pdf',
+          locals: { invitations: @invitations }
+        )
+        pdf = WickedPdf.new.pdf_from_string(pdf_html)
+        send_data pdf, filename: "invitations_#{Time.current.strftime('%Y%m%d_%H%M%S')}.pdf"
+      end
+    end
+  end
+
+  def email
+    AdminMailer.with(wedding_id: ActsAsTenant.current_tenant.id).invitations_pdf_email.deliver_later
+
+    head :ok
+  end
+
+  def sheet; end
+
+  def show
+    invitation = Invitation.includes(:guests).find(params[:id])
+
+    if invitation
+      render json: invitation, only: :id, include: { guests: { only: %i[id name status] } }, status: :ok
+    else
+      render json: { error: 'Invitation not found' }, status: :not_found
+    end
+  end
+
+  def create
+    invitation = Invitation.create
+
+    if invitation.persisted?
+      render json: invitation, only: :id, status: :created
+    else
+      render json: { errors: invitation.errors.full_messages }, status: :unprocessable_entity
+    end
+  end
+
+  def update
+    invitation = Invitation.find(params[:id])
+
+    if invitation.update(guest_ids: params[:invitation][:guest_ids])
+      render json: invitation, only: :id, include: { guests: { only: %i[id name] } }, status: :ok
+    else
+      render json: { errors: invitation.errors.full_messages }, status: :unprocessable_entity
+    end
+  end
+
+  def destroy
+    invitation = Invitation.find(params[:id])
+
+    if invitation.destroy
+      head :no_content
+    else
+      render json: { errors: invitation.errors.full_messages }, status: :unprocessable_entity
+    end
+  end
+end

app/controllers/tables_arrangements_controller.rb

@@ -9,10 +9,10 @@ class TablesArrangementsController < ApplicationController
     render json: TablesArrangement
       .order(valid: :desc)
       .order(discomfort: :asc)
-      .select(:id, :name, :discomfort)
-      .select("digest = '#{current_digest}'::uuid as valid")
+      .select(:id, :name, :discomfort, :status, :progress)
+      .select("digest = '#{current_digest}'::uuid OR discomfort IS NULL as valid")
       .limit(20)
-      .as_json(only: %i[id name discomfort valid])
+      .as_json(only: %i[id name discomfort valid status progress])
   end
 
   def show
@@ -25,7 +25,10 @@ class TablesArrangementsController < ApplicationController
   end
 
   def create
-    TableSimulatorJob.perform_later(current_tenant.id)
+    ActiveRecord::Base.transaction do
+      tables_arrangement = TablesArrangement.create!(status: :not_started)
+      TableSimulatorJob.perform_later(current_tenant.id, tables_arrangement.id)
+    end
 
     render json: {}, status: :created
   end

app/controllers/websites_controller.rb

@@ -0,0 +1,25 @@
+# Copyright (C) 2024-2025 LibreWeddingPlanner contributors
+
+# frozen_string_literal: true
+
+class WebsitesController < ApplicationController
+  skip_before_action :authenticate_user!, only: :show
+
+  def show
+    render json: current_tenant.website.as_json(only: %i[content]) || {}, status: :ok
+  end
+
+  def update
+    ActiveRecord::Base.transaction do
+      website = current_tenant.website || current_tenant.create_website
+      website.update!(website_params)
+      render json: website.as_json(only: %i[content]), status: :ok
+    end
+  end
+
+  private
+
+  def website_params
+    params.expect(website: [:content])
+  end
+end

app/jobs/table_simulator_job.rb

@@ -8,16 +8,35 @@ class TableSimulatorJob < ApplicationJob
   MIN_PER_TABLE = 8
   MAX_PER_TABLE = 10
 
-  def perform(wedding_id)
+  def perform(wedding_id, tables_arrangement_id) # rubocop:disable Metrics/MethodLength
+    Rails.logger.info "Starting table simulation #{tables_arrangement_id} for wedding #{wedding_id}"
     ActsAsTenant.with_tenant(Wedding.find(wedding_id)) do
       engine = VNS::Engine.new
 
-      engine.add_perturbation(Tables::Swap)
-      engine.add_perturbation(Tables::Shift)
+      engine.add_optimization(Tables::Swap)
+      engine.add_optimization(Tables::Shift)
+
+      tables_arrangement = TablesArrangement.find(tables_arrangement_id)
+
+      initial_solution = Tables::Distribution.new(
+        min_per_table: MIN_PER_TABLE,
+        max_per_table: MAX_PER_TABLE,
+        tables_arrangement_id:
+      )
 
-      initial_solution = Tables::Distribution.new(min_per_table: MIN_PER_TABLE, max_per_table: MAX_PER_TABLE)
       initial_solution.random_distribution(Guest.potential.shuffle)
 
+      initial_solution.save!
+
+      engine.notify_progress do |current_progress|
+        tables_arrangement.update_columns(status: :in_progress, progress: current_progress)
+      end
+
+      engine.on_better_solution do |better_solution|
+        better_solution.save!
+        tables_arrangement.update_columns(discomfort: better_solution.discomfort) # TODO: remove?
+      end
+
       engine.initial_solution = initial_solution
 
       engine.target_function(&:discomfort)
@@ -25,6 +44,8 @@ class TableSimulatorJob < ApplicationJob
       best_solution = engine.run
 
       best_solution.save!
+
+      tables_arrangement.update_columns(status: :completed)
     end
   end
 end

app/mailers/admin_mailer.rb

@@ -0,0 +1,45 @@
+# Copyright (C) 2024-2025 LibreWeddingPlanner contributors
+
+# frozen_string_literal: true
+
+class AdminMailer < ApplicationMailer
+  def attendance_change_email
+    @guest = Guest.find(params[:guest_id])
+    ActsAsTenant.with_tenant(@guest.wedding) do
+      mail(
+        to: recipients,
+        subject: I18n.t(
+          'admin_mailer.attendance_change_email.subject',
+          name: @guest.name,
+          status: I18n.t("active_record.attributes.guest/status.#{@guest.status}")
+        )
+      )
+    end
+  end
+
+  def invitations_pdf_email
+    ActsAsTenant.with_tenant(Wedding.find(params[:wedding_id])) do
+      invitations = Invitation.includes(:guests).all
+
+      pdf_html = ActionController::Base.new.render_to_string(
+        template: 'invitations/sheet',
+        layout: 'pdf',
+        locals: { invitations: }
+      )
+      pdf = WickedPdf.new.pdf_from_string(pdf_html)
+
+      attachments["invitations_#{Time.current.strftime('%Y%m%d_%H%M%S')}.pdf"] = pdf
+
+      mail(
+        to: recipients,
+        subject: I18n.t('admin_mailer.invitations_pdf_email.subject')
+      )
+    end
+  end
+
+  private
+
+  def recipients
+    ActsAsTenant.current_tenant.users.pluck(:email)
+  end
+end

app/mailers/application_mailer.rb

@@ -3,6 +3,16 @@
 # frozen_string_literal: true
 
 class ApplicationMailer < ActionMailer::Base
-  default from: 'from@example.com'
+  class << self
+    private
+
+    def default_from
+      File.read('/run/secrets/smtp_user_name').strip
+    rescue Errno::ENOENT
+      'development@example.com'
+    end
+  end
+
+  default from: default_from
   layout 'mailer'
 end

app/models/expense.rb

@@ -20,7 +20,7 @@
 #
 # Foreign Keys
 #
-#  fk_rails_...  (wedding_id => weddings.id)
+#  fk_rails_...  (wedding_id => weddings.id) ON DELETE => cascade
 #
 class Expense < ApplicationRecord
   acts_as_tenant :wedding

app/models/group.rb

@@ -25,7 +25,7 @@
 # Foreign Keys
 #
 #  fk_rails_...  (parent_id => groups.id)
-#  fk_rails_...  (wedding_id => weddings.id)
+#  fk_rails_...  (wedding_id => weddings.id) ON DELETE => cascade
 #
 class Group < ApplicationRecord
   acts_as_tenant :wedding

app/models/guest.rb

@@ -13,21 +13,25 @@
 #  created_at    :datetime         not null
 #  updated_at    :datetime         not null
 #  group_id      :uuid
+#  invitation_id :uuid
 #  wedding_id    :uuid             not null
 #
 # Indexes
 #
 #  index_guests_on_group_id       (group_id)
+#  index_guests_on_invitation_id  (invitation_id)
 #  index_guests_on_wedding_id     (wedding_id)
 #
 # Foreign Keys
 #
 #  fk_rails_...  (group_id => groups.id)
-#  fk_rails_...  (wedding_id => weddings.id)
+#  fk_rails_...  (invitation_id => invitations.id)
+#  fk_rails_...  (wedding_id => weddings.id) ON DELETE => cascade
 #
 class Guest < ApplicationRecord
   acts_as_tenant :wedding
   belongs_to :group, optional: true
+  belongs_to :invitation, optional: true
 
   enum :status, {
     considered: 0,

app/models/invitation.rb

@@ -0,0 +1,29 @@
+# Copyright (C) 2024-2025 LibreWeddingPlanner contributors
+
+# frozen_string_literal: true
+
+# == Schema Information
+#
+# Table name: invitations
+#
+#  id         :uuid             not null, primary key
+#  created_at :datetime         not null
+#  updated_at :datetime         not null
+#  wedding_id :uuid             not null
+#
+# Indexes
+#
+#  index_invitations_on_wedding_id  (wedding_id)
+#
+# Foreign Keys
+#
+#  fk_rails_...  (wedding_id => weddings.id) ON DELETE => cascade
+#
+class Invitation < ApplicationRecord
+  acts_as_tenant :wedding
+  has_many :guests, dependent: :nullify
+
+  def url
+    "#{Rails.application.routes.url_helpers.root_url(slug: ActsAsTenant.current_tenant.slug)}/site/invitation/#{id}"
+  end
+end

app/models/seat.rb

@@ -24,10 +24,10 @@
 #
 #  fk_rails_...  (guest_id => guests.id)
 #  fk_rails_...  (tables_arrangement_id => tables_arrangements.id) ON DELETE => cascade
-#  fk_rails_...  (wedding_id => weddings.id)
+#  fk_rails_...  (wedding_id => weddings.id) ON DELETE => cascade
 #
 class Seat < ApplicationRecord
   acts_as_tenant :wedding
   belongs_to :guest
-  belongs_to :table_arrangement
+  belongs_to :tables_arrangement
 end

app/models/tables_arrangement.rb

@@ -10,6 +10,8 @@
 #  digest     :uuid             not null
 #  discomfort :integer
 #  name       :string           not null
+#  progress   :float            default(0.0), not null
+#  status     :string           default("complete"), not null
 #  created_at :datetime         not null
 #  updated_at :datetime         not null
 #  wedding_id :uuid             not null
@@ -20,7 +22,7 @@
 #
 # Foreign Keys
 #
-#  fk_rails_...  (wedding_id => weddings.id)
+#  fk_rails_...  (wedding_id => weddings.id) ON DELETE => cascade
 #
 class TablesArrangement < ApplicationRecord
   acts_as_tenant :wedding

app/models/user.rb

@@ -32,7 +32,7 @@
 #
 # Foreign Keys
 #
-#  fk_rails_...  (wedding_id => weddings.id)
+#  fk_rails_...  (wedding_id => weddings.id) ON DELETE => cascade
 #
 class User < ApplicationRecord
   acts_as_tenant :wedding

app/models/website.rb

@@ -0,0 +1,25 @@
+# Copyright (C) 2024-2025 LibreWeddingPlanner contributors
+
+# frozen_string_literal: true
+
+# == Schema Information
+#
+# Table name: websites
+#
+#  id         :bigint           not null, primary key
+#  content    :text
+#  created_at :datetime         not null
+#  updated_at :datetime         not null
+#  wedding_id :uuid             not null
+#
+# Indexes
+#
+#  index_websites_on_wedding_id  (wedding_id)
+#
+# Foreign Keys
+#
+#  fk_rails_...  (wedding_id => weddings.id)
+#
+class Website < ApplicationRecord
+  belongs_to :wedding
+end

app/models/wedding.rb

@@ -21,4 +21,8 @@ class Wedding < ApplicationRecord
   validates :slug, presence: true, uniqueness: true, format: { with: /\A#{SLUG_REGEX}\z/ }
 
   has_many :guests, dependent: :delete_all
+  has_many :groups, dependent: :delete_all
+  has_many :invitations, dependent: :delete_all
+  has_many :users, dependent: :delete_all
+  has_one :website, dependent: :destroy
 end

app/serializers/serializable_guest.rb

@@ -5,16 +5,12 @@
 class SerializableGuest < JSONAPI::Serializable::Resource
   type 'guest'
 
-  attributes :id, :group_id, :status
+  attributes :id, :status
 
   attribute :name do
     @object.name
   end
 
-  attribute :group_name do
-    @object.group.name
-  end
-
   attribute :status do
     @object.status.capitalize
   end

app/services/affinity_groups_hierarchy.rb

@@ -16,6 +16,7 @@ class AffinityGroupsHierarchy < Array
     end
 
     discomforts
+    invitation_counts
     freeze
   end
 
@@ -54,8 +55,16 @@ class AffinityGroupsHierarchy < Array
     Rational(dist, dist + 1)
   end
 
+  def guest_count(invitation_id)
+    @invitation_counts[invitation_id] || 0
+  end
+
   private
 
+  def invitation_counts
+    @invitation_counts = Guest.where.not(invitation_id: nil).group(:invitation_id).count
+  end
+
   def discomforts
     @discomforts ||= GroupAffinity.pluck(:group_a_id, :group_b_id,
                                          :discomfort).each_with_object({}) do |(id_a, id_b, discomfort), acc|

app/services/tables/discomfort_calculator.rb

@@ -15,7 +15,7 @@ module Tables
     end
 
     def breakdown
-      @breakdown ||= { table_size_penalty:, cohesion_penalty: }
+      @breakdown ||= { table_size_penalty:, cohesion_penalty:, invitations_penalty: }
     end
 
     private
@@ -39,6 +39,12 @@ module Tables
       10 * (cohesion_discomfort * 1.0 / table.size)
     end
 
+    def invitations_penalty
+      2 * table.map(&:invitation_id)
+               .tally
+               .sum { |invitation_id, guests_in_table| hierarchy.guest_count(invitation_id) - guests_in_table }
+    end
+
     #
     # Calculates the discomfort of the table based on the cohesion of the guests. The total discomfort
     # is calculated as the sum of the discomfort of each pair of guests. The discomfort of a pair of

app/services/tables/distribution.rb

@@ -12,19 +12,21 @@ module Tables
       end
     end
 
-    attr_accessor :tables, :min_per_table, :max_per_table, :hierarchy
+    attr_accessor :tables, :min_per_table, :max_per_table, :hierarchy, :tables_arrangement_id
 
-    def initialize(min_per_table:, max_per_table:)
+    def initialize(min_per_table:, max_per_table:, tables_arrangement_id:, hierarchy: AffinityGroupsHierarchy.new)
       @min_per_table = min_per_table
       @max_per_table = max_per_table
-      @hierarchy = AffinityGroupsHierarchy.new
+      @hierarchy = hierarchy
       @tables = []
+      @tables_arrangement_id = tables_arrangement_id
     end
 
-    def random_distribution(people)
+    def random_distribution(people, random: Random.new)
       min_tables = (people.count * 1.0 / @max_per_table).ceil
       max_tables = (people.count * 1.0 / @min_per_table).ceil
-      @tables = people.in_groups(rand(min_tables..max_tables), false)
+      table_size = random.rand(min_tables..max_tables)
+      @tables = people.in_groups(table_size, false)
                       .map { |group| Table.new(group) }
                       .each { |table| table.min_per_table = @min_per_table }
                       .each { |table| table.max_per_table = @max_per_table }
@@ -41,14 +43,23 @@ module Tables
     end
 
     def deep_dup
-      self.class.new(min_per_table: @min_per_table, max_per_table: @max_per_table).tap do |new_distribution|
+      self.class.new(
+        min_per_table: @min_per_table,
+        max_per_table: @max_per_table,
+        hierarchy: @hierarchy,
+        tables_arrangement_id: @tables_arrangement_id
+      ).tap do |new_distribution|
         new_distribution.tables = @tables.map(&:dup)
       end
     end
 
     def save!
       ActiveRecord::Base.transaction do
-        arrangement = TablesArrangement.create!
+        arrangement = TablesArrangement.find(tables_arrangement_id)
+
+        self.tables_arrangement_id = arrangement.id
+
+        arrangement.seats.delete_all
 
         records_to_store = []
 

app/services/tables/wheel_swap.rb

@@ -0,0 +1,33 @@
+# Copyright (C) 2024-2025 LibreWeddingPlanner contributors
+
+# frozen_string_literal: true
+
+module Tables
+  class WheelSwap
+    private attr_reader :initial_solution
+    def initialize(initial_solution)
+      @initial_solution = initial_solution
+    end
+
+    def call(size = 1)
+      Rails.logger.debug { "WheelSwap with size: #{size}" }
+      new_solution = @initial_solution.deep_dup
+
+      selected_guests = []
+
+      size.times do
+        selected_guests += new_solution.tables.map(&:pop)
+      end
+
+      selected_guests.shuffle!
+
+      tables = new_solution.tables.cycle
+
+      tables.next << selected_guests.pop while selected_guests.any?
+
+      new_solution.tables.each(&:reset)
+
+      new_solution
+    end
+  end
+end

app/services/vns/engine.rb

@@ -4,6 +4,8 @@
 
 module VNS
   class Engine
+    PERTURBATION_SIZES = [1, 1, 1, 2, 2, 3].freeze
+    ITERATIONS = 50
     class << self
       def sequence(elements)
         elements = elements.to_a
@@ -11,45 +13,95 @@ module VNS
       end
     end
 
+    def initialize
+      @perturbations = Set.new
+    end
+
     def target_function(&function)
       @target_function = function
     end
 
+    def add_optimization(klass)
+      @optimizations ||= Set.new
+      @optimizations << klass
+    end
+
     def add_perturbation(klass)
-      @perturbations ||= Set.new
       @perturbations << klass
     end
 
+    def notify_progress(&block)
+      @progress_notifier = block
+    end
+
+    def on_better_solution(&block)
+      @better_solution_notifier = block
+    end
+
     attr_writer :initial_solution
 
     def run
-      raise 'No target function defined' unless @target_function
-      raise 'No perturbations defined' unless @perturbations
-      raise 'No initial solution defined' unless @initial_solution
+      check_preconditions!
 
-      @best_solution = @initial_solution
-      @best_score = @target_function.call(@best_solution)
+      @current_solution = @initial_solution
+      @best_score = @target_function.call(@current_solution)
 
-      self.class.sequence(@perturbations).each do |perturbation|
-        optimize(perturbation)
+      run_all_optimizations
+
+      @progress_notifier&.call(Rational(1, ITERATIONS + 1))
+
+      best_solution = @current_solution
+
+      (1..ITERATIONS).each do |iteration|
+        @current_solution = Tables::WheelSwap.new(best_solution).call(PERTURBATION_SIZES.sample)
+        @best_score = @target_function.call(@current_solution)
+        Rails.logger.debug { "After perturbation: #{@best_score}" }
+
+        run_all_optimizations
+
+        @progress_notifier&.call(Rational(iteration + 1, ITERATIONS + 1))
+
+        next unless best_solution.discomfort > @current_solution.discomfort
+
+        best_solution = @current_solution
+        @better_solution_notifier&.call(best_solution)
+
+        Rails.logger.debug do
+          "Found better solution after perturbation optimization: #{@current_solution.discomfort}"
+        end
       end
 
-      @best_solution
+      best_solution
     end
 
     private
 
-    def optimize(perturbation_klass)
+    def check_preconditions!
+      raise 'No target function defined' unless @target_function
+      raise 'No optimizations defined' unless @optimizations
+      raise 'No initial solution defined' unless @initial_solution
+    end
+
+    def run_all_optimizations
+      self.class.sequence(@optimizations).each do |optimization|
+        optimize(optimization)
+        Rails.logger.debug { "Finished optimization phase: #{optimization}" }
+      end
+      Rails.logger.debug { 'Finished all optimization phases' }
+    end
+
+    def optimize(optimization_klass)
       loop do
         optimized = false
 
-        perturbation_klass.new(@best_solution).each do |alternative_solution|
+        optimization_klass.new(@current_solution).each do |alternative_solution|
           score = @target_function.call(alternative_solution)
           next if score >= @best_score
 
-          @best_solution = alternative_solution.deep_dup
+          @current_solution = alternative_solution.deep_dup
           @best_score = score
           optimized = true
+          Rails.logger.debug { "[#{optimization_klass}] Found better solution with score: #{score}" }
 
           break
         end

app/views/admin_mailer/attendance_change_email.html.erb

@@ -0,0 +1,17 @@
+<%# Copyright (C) 2024-2025 LibreWeddingPlanner contributors %>
+
+<p><%= I18n.t('admin_mailer.greeting') %>,</p>
+
+<p>
+  <%= I18n.t('admin_mailer.attendance_change_email.paragraph_1', name: @guest.name) %>
+</p>
+
+<ul>
+  <li>
+    <strong><%= I18n.t("active_record.attributes.guest.status") %>:</strong> <%= I18n.t("active_record.attributes.guest/status.#{@guest.status}") %>
+  </li>
+</ul>
+
+<p>
+  <%= I18n.t("admin_mailer.attendance_change_email.notify_on_updates") %>
+</p>

app/views/admin_mailer/attendance_change_email.text.erb

@@ -0,0 +1,9 @@
+<%# Copyright (C) 2024-2025 LibreWeddingPlanner contributors %>
+
+<%= I18n.t('admin_mailer.greeting') %>,
+
+<%= I18n.t('admin_mailer.attendance_change_email.paragraph_1', name: @guest.name) %>
+
+- <%= I18n.t("active_record.attributes.guest.status") %>: <%= I18n.t("active_record.attributes.guest/status.#{@guest.status}") %>
+
+<%= I18n.t("admin_mailer.attendance_change_email.notify_on_updates") %>

app/views/admin_mailer/invitations_pdf_email.html.erb

@@ -0,0 +1,7 @@
+<%# Copyright (C) 2024-2025 LibreWeddingPlanner contributors %>
+
+<p><%= I18n.t('admin_mailer.greeting') %>,</p>
+
+<p>
+  <%= I18n.t('admin_mailer.invitations_pdf_email.paragraph_1') %>
+</p>

app/views/admin_mailer/invitations_pdf_email.txt.erb

@@ -0,0 +1,5 @@
+<%# Copyright (C) 2024-2025 LibreWeddingPlanner contributors %>
+
+<%= I18n.t('admin_mailer.greeting') %>,
+
+<%= I18n.t('admin_mailer.invitations_pdf_email.paragraph_1') %>

app/views/invitations/sheet.html.erb

@@ -0,0 +1,33 @@
+<%# Copyright (C) 2024-2025 LibreWeddingPlanner contributors %>
+
+<% invitations.each_slice(4) do |invitation_group| %>
+  <table style="width: 100%; border-collapse: separate; border-spacing: 0 20px; margin-bottom: 40px;">
+    <% invitation_group.each do |invitation| %>
+      <tr>
+        <td style="width: 270px; height: 270px; text-align: center; vertical-align: middle; padding: 10px;">
+          <%= image_tag(RQRCode::QRCode.new(invitation.url).as_png(
+                bit_depth: 1,
+                border_modules: 4,
+                color_mode: ChunkyPNG::COLOR_GRAYSCALE,
+                color: "black",
+                file: nil,
+                fill: "white",
+                module_px_size: 6,
+                resize_exactly_to: false,
+                resize_gte_to: false,
+                size: 250
+              ).to_data_url)
+          %>
+        </td>
+        <td style="vertical-align: middle; padding: 10px;">
+          <ul style="margin: 0; padding-left: 20px;">
+            <% invitation.guests.each do |guest| %>
+              <%= content_tag(:li, guest.name) %>
+            <% end %>
+          </ul>
+        </td>
+      </tr>
+    <% end %>
+  </table>
+  <div style="page-break-after: always;"></div>
+<% end %>

app/views/layouts/pdf.html.erb

@@ -0,0 +1,12 @@
+<%# Copyright (C) 2024-2025 LibreWeddingPlanner contributors %>
+
+<!doctype html>
+<html>
+  <head>
+    <meta charset='utf-8' />
+  </head>
+    <div id="content">
+      <%= yield %>
+    </div>
+  </body>
+</html>

bin/jobs

@@ -3,4 +3,5 @@
 require_relative "../config/environment"
 require "solid_queue/cli"
 
+SolidQueue.logger = ActiveSupport::Logger.new($stdout)
 SolidQueue::Cli.start(ARGV)

config/environments/development.rb

@@ -79,4 +79,5 @@ Rails.application.configure do
   config.action_controller.raise_on_missing_callback_actions = true
 
   config.hosts << "libre-wedding-planner.app.localhost"
+  Rails.application.routes.default_url_options[:host] = "libre-wedding-planner.app.localhost"
 end

config/environments/production.rb

@@ -72,6 +72,20 @@ Rails.application.configure do
   # config.active_job.queue_name_prefix = "wedding_planner_production"
 
   config.action_mailer.perform_caching = false
+  config.action_mailer.delivery_method = :smtp
+  config.action_mailer.smtp_settings = begin
+    {
+      address: File.read("/run/secrets/smtp_address").strip,
+      port: File.read("/run/secrets/smtp_port").strip.to_i,
+      user_name: File.read("/run/secrets/smtp_user_name").strip,
+      password: File.read("/run/secrets/smtp_password").strip,
+      authentication: File.read("/run/secrets/smtp_authentication").strip.to_sym,
+      tls: true
+    }
+  rescue Errno::ENOENT
+    {}
+  end
+
 
   # Ignore bad email addresses and do not raise email delivery errors.
   # Set this to true and configure the email server for immediate delivery to raise delivery errors.
@@ -94,6 +108,7 @@ Rails.application.configure do
   # ]
 
   config.hosts << "app.libreweddingplanner.org"
+  Rails.application.routes.default_url_options[:host] = "app.libreweddingplanner.org"
 
   # Skip DNS rebinding protection for the default health check endpoint.
   config.host_authorization = { exclude: ->(request) { request.path == "/up" } }

config/initializers/acts_as_tenant.rb

@@ -3,3 +3,7 @@
 ActsAsTenant.configure do |config|
   config.require_tenant = !Rails.env.test?
 end
+
+Rails.application.console do
+  ActsAsTenant.current_tenant = Wedding.first
+end

config/initializers/rswag_ui.rb

@@ -10,7 +10,7 @@ Rswag::Ui.configure do |c|
   # (under openapi_root) as JSON or YAML endpoints, then the list below should
   # correspond to the relative paths for those endpoints.
 
-  c.swagger_endpoint '/api/api-docs/v1/swagger.yaml', 'API V1 Docs'
+  c.openapi_endpoint '/api/api-docs/v1/swagger.yaml', 'API V1 Docs'
 
   # Add Basic Auth in case your API is private
   # c.basic_auth_enabled = true

config/initializers/ruby_extensions.rb

@@ -10,4 +10,10 @@ class Set
   def to_table
     Tables::Table.new(self)
   end
+
+  def pop
+    element = self.to_a.sample
+    self.delete(element)
+    element
+  end
 end

config/initializers/wicked_pdf.rb

@@ -0,0 +1,32 @@
+# Copyright (C) 2024-2025 LibreWeddingPlanner contributors
+
+# WickedPDF Global Configuration
+#
+# Use this to set up shared configuration options for your entire application.
+# Any of the configuration options shown here can also be applied to single
+# models by passing arguments to the `render :pdf` call.
+#
+# To learn more, check out the README:
+#
+# https://github.com/mileszs/wicked_pdf/blob/master/README.md
+
+WickedPdf.configure do |config|
+  # Path to the wkhtmltopdf executable: This usually isn't needed if using
+  # one of the wkhtmltopdf-binary family of gems.
+  # config.exe_path = '/usr/local/bin/wkhtmltopdf'
+  #   or
+  # config.exe_path = Gem.bin_path('wkhtmltopdf-binary', 'wkhtmltopdf')
+
+  # Needed for wkhtmltopdf 0.12.6+ to use many wicked_pdf asset helpers
+  # config.enable_local_file_access = true
+
+  # Layout file to be used for all PDFs
+  # (but can be overridden in `render :pdf` calls)
+  # config.layout = 'pdf.html'
+
+  # Using wkhtmltopdf without an X server can be achieved by enabling the
+  # 'use_xvfb' flag. This will wrap all wkhtmltopdf commands around the
+  # 'xvfb-run' command, in order to simulate an X server.
+  #
+  # config.use_xvfb = true
+end

config/locales/en.yml

@@ -1,31 +1,22 @@
-# Files in the config/locales directory are used for internationalization and
-# are automatically loaded by Rails. If you want to use locales other than
-# English, add the necessary files in this directory.
-#
-# To use the locales, use `I18n.t`:
-#
-#     I18n.t "hello"
-#
-# In views, this is aliased to just `t`:
-#
-#     <%= t("hello") %>
-#
-# To use a different locale, set it with `I18n.locale`:
-#
-#     I18n.locale = :es
-#
-# This would use the information in config/locales/es.yml.
-#
-# To learn more about the API, please read the Rails Internationalization guide
-# at https://guides.rubyonrails.org/i18n.html.
-#
-# Be aware that YAML interprets the following case-insensitive strings as
-# booleans: `true`, `false`, `on`, `off`, `yes`, `no`. Therefore, these strings
-# must be quoted to be interpreted as strings. For example:
-#
-#     en:
-#       "yes": yup
-#       enabled: "ON"
-
 en:
   hello: "Hello world"
+  active_record:
+    attributes:
+      guest:
+        status: Status
+      guest/status:
+        considered: Considered
+        invited: Invited
+        confirmed: Confirmed
+        declined: Declined
+        tentative: Tentative
+
+  admin_mailer:
+    greeting: "Dear user"
+    attendance_change_email:
+      subject: "%{name} has changed their attendance status: %{status}"
+      paragraph_1: "The guest %{name} has changed their attendance for the wedding."
+      notify_on_updates: "You will be notified of any further changes to their attendance status."
+    invitations_pdf_email:
+      subject: "Your wedding invitations are ready"
+      paragraph_1: "Your wedding invitations are ready. Please, find them attached to this email."

config/routes.rb

@@ -37,8 +37,14 @@ Rails.application.routes.draw do
     resources :expenses, only: %i[index create update destroy] do
       get :summary, on: :collection
     end
+
+    resource :website, only: [:show, :update]
+
     resources :tables_arrangements, only: %i[index show create]
     resources :summary, only: :index
+    resources :invitations, only: %i[show index create update destroy] do
+      post :email, on: :collection
+    end
 
     root to: redirect("/%{slug}")
   end

db/migrate/20250127183547_create_invitations.rb

@@ -0,0 +1,10 @@
+class CreateInvitations < ActiveRecord::Migration[8.0]
+  def change
+    create_table :invitations, id: :uuid do |t|
+      t.references :wedding, null: false, foreign_key: { on_delete: :cascade }, type: :uuid
+      t.timestamps
+    end
+
+    add_reference :guests, :invitation, foreign_key: true, type: :uuid
+  end
+end

db/migrate/20250127190131_fix_cascading_wedding_deletion.rb

@@ -0,0 +1,8 @@
+class FixCascadingWeddingDeletion < ActiveRecord::Migration[8.0]
+  def change
+    [:expenses, :groups, :guests, :seats, :tables_arrangements, :users].each do |table|
+      remove_foreign_key table, :weddings, column: :wedding_id
+      add_foreign_key table, :weddings, on_delete: :cascade
+    end
+  end
+end

db/migrate/20250608181054_create_websites.rb

@@ -0,0 +1,10 @@
+class CreateWebsites < ActiveRecord::Migration[8.0]
+  def change
+    create_table :websites do |t|
+      t.text :content
+      t.references :wedding, null: false, foreign_key: true, type: :uuid
+
+      t.timestamps
+    end
+  end
+end

db/migrate/20250801102437_add_status_column_to_tables_arrangements.rb

@@ -0,0 +1,5 @@
+class AddStatusColumnToTablesArrangements < ActiveRecord::Migration[8.0]
+  def change
+    add_column :tables_arrangements, :status, :string, default: :complete, null: false
+  end
+end

db/migrate/20250908145119_add_progress_to_tables_arrangements.rb

@@ -0,0 +1,5 @@
+class AddProgressToTablesArrangements < ActiveRecord::Migration[8.0]
+  def change
+    add_column :tables_arrangements, :progress, :float, default: 0, null: false
+  end
+end

db/schema.rb

@@ -10,7 +10,7 @@
 #
 # It's strongly recommended that you check this file into your version control system.
 
-ActiveRecord::Schema[8.0].define(version: 2025_01_26_091823) do
+ActiveRecord::Schema[8.0].define(version: 2025_09_08_145119) do
   # These are extensions that must be enabled in order to support this database
   enable_extension "pg_catalog.plpgsql"
 
@@ -63,10 +63,19 @@ ActiveRecord::Schema[8.0].define(version: 2025_01_26_091823) do
     t.integer "status", default: 0
     t.string "name"
     t.uuid "wedding_id", null: false
+    t.uuid "invitation_id"
     t.index ["group_id"], name: "index_guests_on_group_id"
+    t.index ["invitation_id"], name: "index_guests_on_invitation_id"
     t.index ["wedding_id"], name: "index_guests_on_wedding_id"
   end
 
+  create_table "invitations", id: :uuid, default: -> { "gen_random_uuid()" }, force: :cascade do |t|
+    t.uuid "wedding_id", null: false
+    t.datetime "created_at", null: false
+    t.datetime "updated_at", null: false
+    t.index ["wedding_id"], name: "index_invitations_on_wedding_id"
+  end
+
   create_table "seats", id: :uuid, default: -> { "gen_random_uuid()" }, force: :cascade do |t|
     t.uuid "guest_id", null: false
     t.uuid "tables_arrangement_id", null: false
@@ -207,6 +216,8 @@ ActiveRecord::Schema[8.0].define(version: 2025_01_26_091823) do
     t.string "name", null: false
     t.uuid "wedding_id", null: false
     t.uuid "digest", default: -> { "gen_random_uuid()" }, null: false
+    t.string "status", default: "complete", null: false
+    t.float "progress", default: 0.0, null: false
     t.index ["wedding_id"], name: "index_tables_arrangements_on_wedding_id"
   end
 
@@ -232,6 +243,14 @@ ActiveRecord::Schema[8.0].define(version: 2025_01_26_091823) do
     t.index ["wedding_id"], name: "index_users_on_wedding_id"
   end
 
+  create_table "websites", force: :cascade do |t|
+    t.text "content"
+    t.uuid "wedding_id", null: false
+    t.datetime "created_at", null: false
+    t.datetime "updated_at", null: false
+    t.index ["wedding_id"], name: "index_websites_on_wedding_id"
+  end
+
   create_table "weddings", id: :uuid, default: -> { "gen_random_uuid()" }, force: :cascade do |t|
     t.string "slug", null: false
     t.datetime "created_at", null: false
@@ -239,22 +258,25 @@ ActiveRecord::Schema[8.0].define(version: 2025_01_26_091823) do
     t.index ["slug"], name: "index_weddings_on_slug", unique: true
   end
 
-  add_foreign_key "expenses", "weddings"
+  add_foreign_key "expenses", "weddings", on_delete: :cascade
   add_foreign_key "group_affinities", "groups", column: "group_a_id"
   add_foreign_key "group_affinities", "groups", column: "group_b_id"
   add_foreign_key "groups", "groups", column: "parent_id"
-  add_foreign_key "groups", "weddings"
+  add_foreign_key "groups", "weddings", on_delete: :cascade
   add_foreign_key "guests", "groups"
-  add_foreign_key "guests", "weddings"
+  add_foreign_key "guests", "invitations"
+  add_foreign_key "guests", "weddings", on_delete: :cascade
+  add_foreign_key "invitations", "weddings", on_delete: :cascade
   add_foreign_key "seats", "guests"
   add_foreign_key "seats", "tables_arrangements", on_delete: :cascade
-  add_foreign_key "seats", "weddings"
+  add_foreign_key "seats", "weddings", on_delete: :cascade
   add_foreign_key "solid_queue_blocked_executions", "solid_queue_jobs", column: "job_id", on_delete: :cascade
   add_foreign_key "solid_queue_claimed_executions", "solid_queue_jobs", column: "job_id", on_delete: :cascade
   add_foreign_key "solid_queue_failed_executions", "solid_queue_jobs", column: "job_id", on_delete: :cascade
   add_foreign_key "solid_queue_ready_executions", "solid_queue_jobs", column: "job_id", on_delete: :cascade
   add_foreign_key "solid_queue_recurring_executions", "solid_queue_jobs", column: "job_id", on_delete: :cascade
   add_foreign_key "solid_queue_scheduled_executions", "solid_queue_jobs", column: "job_id", on_delete: :cascade
-  add_foreign_key "tables_arrangements", "weddings"
-  add_foreign_key "users", "weddings"
+  add_foreign_key "tables_arrangements", "weddings", on_delete: :cascade
+  add_foreign_key "users", "weddings", on_delete: :cascade
+  add_foreign_key "websites", "weddings"
 end

db/seeds.rb

@@ -1,33 +1,33 @@
+# frozen_string_literal: true
+
 # Copyright (C) 2024-2025 LibreWeddingPlanner contributors
 
-NUMBER_OF_GUESTS = 50
+NUMBER_OF_GUESTS = 200
 
 ActsAsTenant.without_tenant do
-  TablesArrangement.delete_all
-  Expense.delete_all
-  Guest.delete_all
-  Group.delete_all
-  
+  GroupAffinity.delete_all
   Wedding.delete_all
 end
 
 wedding = Wedding.create!(slug: :default)
 
 ActsAsTenant.with_tenant(wedding) do
-  Expense.create!(name: 'Photographer', amount: 3000, pricing_type: 'fixed')
-  Expense.create!(name: 'Country house', amount: 6000, pricing_type: 'fixed')
-  Expense.create!(name: 'Catering', amount: 200, pricing_type: 'per_person')
-  Expense.create!(name: 'Flowers', amount: 500, pricing_type: 'fixed')
-  Expense.create!(name: 'Band', amount: 1000, pricing_type: 'fixed')
-  Expense.create!(name: 'Wedding planner', amount: 2000, pricing_type: 'fixed')
-  Expense.create!(name: 'Dress', amount: 1000, pricing_type: 'fixed')
-  Expense.create!(name: 'Suit', amount: 500, pricing_type: 'fixed')
-  Expense.create!(name: 'Rings', amount: 1000, pricing_type: 'fixed')
-  Expense.create!(name: 'Makeup', amount: 200, pricing_type: 'fixed')
-  Expense.create!(name: 'Hair', amount: 200, pricing_type: 'fixed')
-  Expense.create!(name: 'Transportation', amount: 3000, pricing_type: 'fixed')
-  Expense.create!(name: 'Invitations', amount: 200, pricing_type: 'fixed')
-  Expense.create!(name: 'Cake', amount: 500, pricing_type: 'fixed')
+  [
+    { name: 'Photographer', amount: 3000, pricing_type: 'fixed' },
+    { name: 'Country house', amount: 6000, pricing_type: 'fixed' },
+    { name: 'Catering', amount: 200, pricing_type: 'per_person' },
+    { name: 'Flowers', amount: 500, pricing_type: 'fixed' },
+    { name: 'Band', amount: 1000, pricing_type: 'fixed' },
+    { name: 'Wedding planner', amount: 2000, pricing_type: 'fixed' },
+    { name: 'Dress', amount: 1000, pricing_type: 'fixed' },
+    { name: 'Suit', amount: 500, pricing_type: 'fixed' },
+    { name: 'Rings', amount: 1000, pricing_type: 'fixed' },
+    { name: 'Makeup', amount: 200, pricing_type: 'fixed' },
+    { name: 'Hair', amount: 200, pricing_type: 'fixed' },
+    { name: 'Transportation', amount: 3000, pricing_type: 'fixed' },
+    { name: 'Invitations', amount: 200, pricing_type: 'fixed' },
+    { name: 'Cake', amount: 500, pricing_type: 'fixed' }
+  ].then { Expense.insert_all!(it) }
 
   Group.create!(name: "Jim's guests", icon: 'pi pi-heart').tap do |parent|
     parent.children.create!(name: "Jim's family", icon: 'pi pi-users').tap do |family|
@@ -61,18 +61,36 @@ ActsAsTenant.with_tenant(wedding) do
 
   groups = Group.all
 
-  NUMBER_OF_GUESTS.times do
-    Guest.create!(
+  NUMBER_OF_GUESTS.times.map do |i|
+    {
       name: Faker::Name.name,
       phone: Faker::PhoneNumber.cell_phone,
-      group: groups.sample,
-      status: Guest.statuses.keys.sample
-    )
+      group_id: groups.sample.id,
+      status: Guest.statuses.keys.sample,
+    }
+  end.then { Guest.insert_all!(it) }
+
+  Group.includes(:guests).each do |group|
+    guests = group.guests.potential.to_a
+
+    while guests.any?
+      invitation = Invitation.create!
+
+      guests.shift(rand(1..3)).each do |guest|
+        guest.update!(invitation:)
+      end
+      guests.shift(1) if rand < 0.3  # Leave a percentage of guests without an invitation
+
+    end
   end
 
-  ActiveJob.perform_all_later(3.times.map { TableSimulatorJob.new(wedding.id) })
+  # TODO: Clean up invitations with no guests
 
-  'red'.paint.palette.triad(as: :hex).zip(Group.roots).each { |(color, group)| group.update!(color: color.paint.desaturate(40)) }
+  3.times { TablesArrangement.create! }
+    .map { |arrangement| TableSimulatorJob.new(wedding.id, arrangement.id) }
+    .then { |jobs| ActiveJob.perform_all_later }
+
+  "red".dup.paint.palette.triad(as: :hex).zip(Group.roots).each { |(color, group)| group.update!(color: color.paint.desaturate(40)) }
 
   Group.roots.each(&:colorize_children)
 
@@ -80,6 +98,6 @@ ActsAsTenant.with_tenant(wedding) do
     email: 'development@example.com',
     confirmed_at: Time.zone.now,
     password: 'supersecretpassword',
-    password_confirmation: 'supersecretpassword',
+    password_confirmation: 'supersecretpassword'
   )
 end

lib/tasks/ractors.rake

@@ -1,51 +0,0 @@
-namespace :ractors do
-  desc 'Run the Ractors example'
-  task run: :environment do
-    list = (1..20)
-    number_of_ractors = Concurrent.processor_count
-
-    ractors = number_of_ractors.times.map do |i|
-      Ractor.new(name: "Ractor #{i}") do
-        loop do
-          number = Ractor.receive
-          puts "Processing #{number} in #{Ractor.current.name}"
-          Ractor.yield "eureka" if number == 17
-        end
-      end
-    end.cycle
-
-    list.each do |i|
-      ractors.next.send(i)
-    end
-
-    puts "all enqueued"
-
-    binding.pry
-
-    Ractor.select(*ractors)
-
-    # binding.pry
-
-    # number_of_ractors.times do |i|
-    #   r = Ractor.new(name: "Ractor #{i}") do
-    #     Ractor.receive.each do |i|
-    #       puts "Processing index #{i} in #{Ractor.current.name}"
-    #     end
-    #   end
-
-    #   r.send((i * 250)...((i + 1) * 250))
-    # end
-
-    # ractor = Ractor.new do
-    #   loop do
-    #     puts 'I will receive a message soon'
-    #     msg = Ractor.receive
-    #     puts 'I will return a tripple of what I receive'
-    #     Ractor.yield(msg * 3)
-    #   end
-    # end
-
-    # heavy_calculation.send(15)
-    # puts heavy_calculation.take
-  end
-end

lib/tasks/vns.rake

@@ -0,0 +1,37 @@
+# frozen_string_literal: true
+
+namespace :vns do
+  desc 'Benchmarks the efficiency of the VNS implementation'
+  task benchmark: :environment do
+    ActsAsTenant.with_tenant(Wedding.first) do
+      Rails.logger.info "There are #{Guest.potential.count} potential guests"
+
+      engine = VNS::Engine.new
+
+      engine.add_optimization(Tables::Swap)
+      engine.add_optimization(Tables::Shift)
+
+      hierarchy = AffinityGroupsHierarchy.new
+      initial_solution = Tables::Distribution.new(min_per_table: 8, max_per_table: 10, hierarchy:)
+
+      random = Random.new(561_163)
+      initial_solution.random_distribution(Guest.potential.shuffle(random:), random:)
+
+      engine.initial_solution = initial_solution
+
+      engine.target_function(&:discomfort)
+
+      engine.notify_progress do |current_progress|
+        Rails.logger.info "Progress: #{(current_progress * 100.0).round(2)}%"
+      end
+
+      engine.on_better_solution do |better_solution|
+        Rails.logger.info "New best solution found with discomfort: #{better_solution.discomfort}"
+      end
+
+      solution = Rails.benchmark('VNS Benchmarking') { engine.run }
+
+      Rails.logger.info "Best solution found with discomfort: #{solution.discomfort}"
+    end
+  end
+end

nginx.conf

@@ -12,6 +12,11 @@ server {
         proxy_set_header Host $http_host;
     }
 
+    location /jobs/ {
+        proxy_pass http://backend:3000/jobs/;
+        proxy_set_header Host $http_host;
+    }
+
     location /captcha/v2/media/ {
         proxy_pass http://libre-captcha:8888/v2/media/;
         proxy_set_header Host $http_host;

spec/factories/invitations.rb

@@ -0,0 +1,9 @@
+# Copyright (C) 2024-2025 LibreWeddingPlanner contributors
+
+# frozen_string_literal: true
+
+FactoryBot.define do
+  factory :invitation do
+    wedding
+  end
+end

spec/factories/websites.rb

@@ -0,0 +1,10 @@
+# Copyright (C) 2024-2025 LibreWeddingPlanner contributors
+
+# frozen_string_literal: true
+
+FactoryBot.define do
+  factory :website do
+    content { 'MyText' }
+    wedding { nil }
+  end
+end

spec/models/invitation_spec.rb

@@ -0,0 +1,9 @@
+# Copyright (C) 2024-2025 LibreWeddingPlanner contributors
+
+# frozen_string_literal: true
+
+require 'rails_helper'
+
+RSpec.describe Invitation do
+  pending "add some examples to (or delete) #{__FILE__}"
+end

spec/models/website_spec.rb

@@ -0,0 +1,9 @@
+# Copyright (C) 2024-2025 LibreWeddingPlanner contributors
+
+# frozen_string_literal: true
+
+require 'rails_helper'
+
+RSpec.describe Website do
+  it { is_expected.to belong_to(:wedding) }
+end

spec/requests/tables_arrangements_spec.rb

@@ -19,7 +19,8 @@ RSpec.describe 'tables_arrangements' do
                    id: { type: :string, format: :uuid },
                    name: { type: :string },
                    discomfort: { type: :integer },
-                   valid: { type: :boolean }
+                   valid: { type: :boolean },
+                   status: { type: :string, enum: %w[complete in_progress] }
                  }
                }
         xit

spec/services/tables/discomfort_calculator_spec.rb

@@ -14,14 +14,14 @@ module Tables
 
     describe '#calculate' do
       before do
-        allow(calculator).to receive_messages(table_size_penalty: 2, cohesion_discomfort: 3)
+        allow(calculator).to receive_messages(table_size_penalty: 2, cohesion_penalty: 5, invitations_penalty: 4)
       end
 
       let(:table) { Table.new(create_list(:guest, 6)) }
 
       it 'returns the sum of the table size penalty and the average cohesion penalty', :aggregate_failures do
-        expect(calculator.calculate).to eq(7)
-        expect(calculator.breakdown).to eq(table_size_penalty: 2, cohesion_penalty: 5)
+        expect(calculator.calculate).to eq(11)
+        expect(calculator.breakdown).to eq(table_size_penalty: 2, cohesion_penalty: 5, invitations_penalty: 4)
       end
     end
 
@@ -73,5 +73,102 @@ module Tables
         it { expect(calculator.send(:table_size_penalty)).to eq(10) }
       end
     end
+
+    describe '#cohesion_penalty' do
+      let(:calculator) { described_class.new(table:, hierarchy:) }
+      let(:table) { Table.new(guests) }
+
+      context 'when all guests belong to the same group' do
+        let(:guests) { create_list(:guest, 6, group: family) }
+        let(:hierarchy) { instance_double(AffinityGroupsHierarchy, discomfort: 0) }
+
+        it 'returns 0 as cohesion penalty' do
+          expect(calculator.send(:cohesion_penalty)).to eq(0)
+        end
+      end
+
+      context 'when guests belong to two different groups with discomfort 1' do
+        let(:guests) do
+          create_list(:guest, 3, group: family) +
+            create_list(:guest, 3, group: friends)
+        end
+        let(:hierarchy) do
+          instance_double(AffinityGroupsHierarchy, discomfort: 1)
+        end
+
+        it 'calculates the correct cohesion penalty' do
+          # 3 from family, 3 from friends: 3*3*1 = 9 discomfort
+          expect(calculator.send(:cohesion_penalty)).to eq(10 * (9.0 / 6))
+        end
+      end
+
+      context 'when guests belong to three groups with different discomforts' do
+        let(:guests) do
+          create_list(:guest, 2, group: family) +
+            create_list(:guest, 2, group: friends) +
+            create_list(:guest, 2, group: work)
+        end
+        let(:hierarchy) do
+          instance_double(AffinityGroupsHierarchy)
+        end
+
+        before do
+          allow(hierarchy).to receive(:discomfort).with(family.id, friends.id).and_return(0.5)
+          allow(hierarchy).to receive(:discomfort).with(family.id, work.id).and_return(1)
+          allow(hierarchy).to receive(:discomfort).with(friends.id, work.id).and_return(0.2)
+          allow(hierarchy).to receive(:discomfort).with(friends.id, family.id).and_return(0.5)
+          allow(hierarchy).to receive(:discomfort).with(work.id, family.id).and_return(1)
+          allow(hierarchy).to receive(:discomfort).with(work.id, friends.id).and_return(0.2)
+        end
+
+        it 'calculates the correct cohesion penalty' do
+          # pairs: (family, friends): 2*2*0.5 = 2
+          #        (family, work):    2*2*1   = 4
+          #        (friends, work):   2*2*0.2 = 0.8
+          # total discomfort = 2 + 4 + 0.8 = 6.8
+
+          expect(calculator.send(:cohesion_penalty)).to eq(10 * (6.8 / 6))
+        end
+      end
+    end
+
+    describe '#invitations_penalty' do
+      let(:invitation_a) { create(:invitation) }
+      let(:invitation_b) { create(:invitation) }
+      let(:invitation_c) { create(:invitation) }
+
+      let(:table) do
+        create_list(:guest, 2, invitation: invitation_a) +
+          create_list(:guest, 3, invitation: invitation_b) +
+          create_list(:guest, 4, invitation: invitation_c)
+      end
+
+      context 'when the table contains all members of an invitation' do
+        it 'returns 0 as penalty' do
+          expect(calculator.send(:invitations_penalty)).to eq(0)
+        end
+      end
+
+      context 'when there is an additional guest of one of the invitations that is not included' do
+        before do
+          create(:guest, invitation: invitation_a)
+        end
+
+        it 'returns the penalty for the missing guest' do
+          expect(calculator.send(:invitations_penalty)).to eq(2)
+        end
+      end
+
+      context 'when there are multiple guests missing from different invitations' do
+        before do
+          create(:guest, invitation: invitation_b)
+          create(:guest, invitation: invitation_c)
+        end
+
+        it 'returns 2x # of guests left out as the total penalty for all missing guests' do
+          expect(calculator.send(:invitations_penalty)).to eq(4)
+        end
+      end
+    end
   end
 end

spec/services/tables/distribution_spec.rb

@@ -6,8 +6,43 @@ require 'rails_helper'
 
 module Tables
   RSpec.describe Distribution do
+    let(:tables_arrangement) { TablesArrangement.create! }
+
+    around do |example|
+      ActsAsTenant.with_tenant(create(:wedding)) do
+        example.run
+      end
+    end
+
+    describe '#save!' do
+      let(:people) { create_list(:guest, 2, status: :invited) }
+      let(:distribution) do
+        described_class.new(min_per_table: 5, max_per_table: 10, tables_arrangement_id: tables_arrangement.id)
+                       .tap { |d| d.random_distribution(people) }
+      end
+
+      context 'when tables_arrangement_id is nil' do
+        it { expect { distribution.save! }.to change(TablesArrangement, :count).by(1) }
+        it { expect { distribution.save! }.to change(Seat, :count).by(2) }
+      end
+
+      context 'when tables_arrangement_id is set' do
+        before do
+          existing_arrangement = TablesArrangement.create!
+
+          existing_arrangement.seats.create!(guest: people.first, table_number: 1)
+          distribution.tables_arrangement_id = existing_arrangement.id
+        end
+
+        it { expect { distribution.save! }.not_to(change(TablesArrangement, :count)) }
+        it { expect { distribution.save! }.to change(Seat, :count).by(1) }
+      end
+    end
+
     describe '#random_distribution' do
-      subject(:distribution) { described_class.new(min_per_table: 5, max_per_table: 10) }
+      subject(:distribution) do
+        described_class.new(min_per_table: 5, max_per_table: 10, tables_arrangement_id: tables_arrangement.id)
+      end
 
       context 'when there are fewer people than the minimum per table' do
         it 'creates one table' do

spec/services/tables/shift_spec.rb

@@ -17,7 +17,7 @@ module Tables
 
       context 'when there are two tables with two people each' do
         let(:initial_solution) do
-          Distribution.new(min_per_table: 2, max_per_table: 2).tap do |distribution|
+          Distribution.new(min_per_table: 2, max_per_table: 2, tables_arrangement_id: nil).tap do |distribution|
             distribution.tables << Set[:a, :b].to_table
             distribution.tables << Set[:c, :d].to_table
           end
@@ -35,7 +35,7 @@ module Tables
 
       context 'when there are two tables with three people each' do
         let(:initial_solution) do
-          Distribution.new(min_per_table: 3, max_per_table: 3).tap do |distribution|
+          Distribution.new(min_per_table: 3, max_per_table: 3, tables_arrangement_id: nil).tap do |distribution|
             distribution.tables << Set[:a, :b, :c].to_table
             distribution.tables << Set[:d, :e, :f].to_table
           end

spec/services/tables/swap_spec.rb

@@ -17,7 +17,7 @@ module Tables
 
       context 'when there are two tables with two people each' do
         let(:initial_solution) do
-          Distribution.new(min_per_table: 2, max_per_table: 2).tap do |distribution|
+          Distribution.new(min_per_table: 2, max_per_table: 2, tables_arrangement_id: nil).tap do |distribution|
             distribution.tables << Set[:a, :b].to_table
             distribution.tables << Set[:c, :d].to_table
           end
@@ -35,7 +35,7 @@ module Tables
 
       context 'when there are two tables with three people each' do
         let(:initial_solution) do
-          Distribution.new(min_per_table: 3, max_per_table: 3).tap do |distribution|
+          Distribution.new(min_per_table: 3, max_per_table: 3, tables_arrangement_id: nil).tap do |distribution|
             distribution.tables << Set[:a, :b, :c].to_table
             distribution.tables << Set[:d, :e, :f].to_table
           end
@@ -58,7 +58,7 @@ module Tables
 
       context 'when there are three tables with two people each' do
         let(:initial_solution) do
-          Distribution.new(min_per_table: 2, max_per_table: 2).tap do |distribution|
+          Distribution.new(min_per_table: 2, max_per_table: 2, tables_arrangement_id: nil).tap do |distribution|
             distribution.tables << Set[:a, :b].to_table
             distribution.tables << Set[:c, :d].to_table
             distribution.tables << Set[:e, :f].to_table

spec/services/tables/wheel_swap_spec.rb

@@ -0,0 +1,28 @@
+# Copyright (C) 2024-2025 LibreWeddingPlanner contributors
+
+# frozen_string_literal: true
+
+require 'rails_helper'
+
+module Tables
+  RSpec.describe WheelSwap do
+    context 'when the solution has three tables' do
+      let(:initial_solution) do
+        Distribution.new(min_per_table: 3, max_per_table: 3, tables_arrangement_id: nil).tap do |distribution|
+          distribution.tables << Set[:a, :b, :c].to_table
+          distribution.tables << Set[:d, :e, :f].to_table
+          distribution.tables << Set[:g, :h, :i].to_table
+        end
+      end
+
+      it 'swaps a random guest from each table with a guest from another table', :aggregate_failures do
+        result = described_class.new(initial_solution).call
+
+        expect(result.tables.size).to eq(3)
+        expect(result.tables.map(&:size)).to all(eq(3))
+
+        expect(result.tables.map(&:to_a).flatten).to match_array((:a..:i).to_a)
+      end
+    end
+  end
+end