initializing project

.gitattributes

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+# See https://git-scm.com/docs/gitattributes for more about git attribute files.
+
+
+# Mark any vendored files as having been vendored.
+vendor/* linguist-vendored

.gitignore

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+# See https://help.github.com/articles/ignoring-files for more about ignoring files.
+#
+# If you find yourself ignoring temporary files generated by your text editor
+# or operating system, you probably want to add a global ignore instead:
+#   git config --global core.excludesfile '~/.gitignore_global'
+
+# Ignore bundler config.
+/.bundle
+
+# Ignore all logfiles and tempfiles.
+/log/*
+/tmp/*
+!/log/.keep
+!/tmp/.keep
+
+# Ignore pidfiles, but keep the directory.
+/tmp/pids/*
+!/tmp/pids/
+!/tmp/pids/.keep
+
+
+# Ignore master key for decrypting credentials and more.
+/config/master.key

.rubocop.yml

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+AllCops:
+  NewCops: enable
+  Exclude:
+    - 'vendor/**/*'
+    - 'spec/fixtures/**/*'
+    - 'tmp/**/*'
+    - '.git/**/*'
+    - 'bin/*'
+    - 'config/*'

.ruby-version

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+ruby-3.0.1

Gemfile

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+# frozen_string_literal: true
+
+source 'https://rubygems.org'
+git_source(:github) { |repo| "https://github.com/#{repo}.git" }
+
+ruby '3.0.1'
+
+# Bundle edge Rails instead: gem "rails", github: "rails/rails", branch: "main"
+gem 'rails', '~> 7.0.1'
+
+# Use the Puma web server [https://github.com/puma/puma]
+gem 'puma', '~> 5.0'
+
+# Reduces boot times through caching; required in config/boot.rb
+gem 'bootsnap', require: false
+
+group :development, :test do
+  gem 'debug', platforms: %i[mri mingw x64_mingw]
+end
+
+group :development do
+  gem 'rspec-rails'
+  gem 'rubocop-rails'
+end

Gemfile.lock

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+GEM
+  remote: https://rubygems.org/
+  specs:
+    actioncable (7.0.1)
+      actionpack (= 7.0.1)
+      activesupport (= 7.0.1)
+      nio4r (~> 2.0)
+      websocket-driver (>= 0.6.1)
+    actionmailbox (7.0.1)
+      actionpack (= 7.0.1)
+      activejob (= 7.0.1)
+      activerecord (= 7.0.1)
+      activestorage (= 7.0.1)
+      activesupport (= 7.0.1)
+      mail (>= 2.7.1)
+      net-imap
+      net-pop
+      net-smtp
+    actionmailer (7.0.1)
+      actionpack (= 7.0.1)
+      actionview (= 7.0.1)
+      activejob (= 7.0.1)
+      activesupport (= 7.0.1)
+      mail (~> 2.5, >= 2.5.4)
+      net-imap
+      net-pop
+      net-smtp
+      rails-dom-testing (~> 2.0)
+    actionpack (7.0.1)
+      actionview (= 7.0.1)
+      activesupport (= 7.0.1)
+      rack (~> 2.0, >= 2.2.0)
+      rack-test (>= 0.6.3)
+      rails-dom-testing (~> 2.0)
+      rails-html-sanitizer (~> 1.0, >= 1.2.0)
+    actiontext (7.0.1)
+      actionpack (= 7.0.1)
+      activerecord (= 7.0.1)
+      activestorage (= 7.0.1)
+      activesupport (= 7.0.1)
+      globalid (>= 0.6.0)
+      nokogiri (>= 1.8.5)
+    actionview (7.0.1)
+      activesupport (= 7.0.1)
+      builder (~> 3.1)
+      erubi (~> 1.4)
+      rails-dom-testing (~> 2.0)
+      rails-html-sanitizer (~> 1.1, >= 1.2.0)
+    activejob (7.0.1)
+      activesupport (= 7.0.1)
+      globalid (>= 0.3.6)
+    activemodel (7.0.1)
+      activesupport (= 7.0.1)
+    activerecord (7.0.1)
+      activemodel (= 7.0.1)
+      activesupport (= 7.0.1)
+    activestorage (7.0.1)
+      actionpack (= 7.0.1)
+      activejob (= 7.0.1)
+      activerecord (= 7.0.1)
+      activesupport (= 7.0.1)
+      marcel (~> 1.0)
+      mini_mime (>= 1.1.0)
+    activesupport (7.0.1)
+      concurrent-ruby (~> 1.0, >= 1.0.2)
+      i18n (>= 1.6, < 2)
+      minitest (>= 5.1)
+      tzinfo (~> 2.0)
+    ast (2.4.2)
+    bootsnap (1.10.3)
+      msgpack (~> 1.2)
+    builder (3.2.4)
+    concurrent-ruby (1.1.9)
+    crass (1.0.6)
+    debug (1.4.0)
+      irb (>= 1.3.6)
+      reline (>= 0.2.7)
+    diff-lcs (1.5.0)
+    digest (3.1.0)
+    erubi (1.10.0)
+    globalid (1.0.0)
+      activesupport (>= 5.0)
+    i18n (1.9.1)
+      concurrent-ruby (~> 1.0)
+    io-console (0.5.11)
+    io-wait (0.2.1)
+    irb (1.4.1)
+      reline (>= 0.3.0)
+    loofah (2.13.0)
+      crass (~> 1.0.2)
+      nokogiri (>= 1.5.9)
+    mail (2.7.1)
+      mini_mime (>= 0.1.1)
+    marcel (1.0.2)
+    method_source (1.0.0)
+    mini_mime (1.1.2)
+    minitest (5.15.0)
+    msgpack (1.4.4)
+    net-imap (0.2.3)
+      digest
+      net-protocol
+      strscan
+    net-pop (0.1.1)
+      digest
+      net-protocol
+      timeout
+    net-protocol (0.1.2)
+      io-wait
+      timeout
+    net-smtp (0.3.1)
+      digest
+      net-protocol
+      timeout
+    nio4r (2.5.8)
+    nokogiri (1.13.1-x86_64-linux)
+      racc (~> 1.4)
+    parallel (1.21.0)
+    parser (3.1.0.0)
+      ast (~> 2.4.1)
+    puma (5.6.1)
+      nio4r (~> 2.0)
+    racc (1.6.0)
+    rack (2.2.3)
+    rack-test (1.1.0)
+      rack (>= 1.0, < 3)
+    rails (7.0.1)
+      actioncable (= 7.0.1)
+      actionmailbox (= 7.0.1)
+      actionmailer (= 7.0.1)
+      actionpack (= 7.0.1)
+      actiontext (= 7.0.1)
+      actionview (= 7.0.1)
+      activejob (= 7.0.1)
+      activemodel (= 7.0.1)
+      activerecord (= 7.0.1)
+      activestorage (= 7.0.1)
+      activesupport (= 7.0.1)
+      bundler (>= 1.15.0)
+      railties (= 7.0.1)
+    rails-dom-testing (2.0.3)
+      activesupport (>= 4.2.0)
+      nokogiri (>= 1.6)
+    rails-html-sanitizer (1.4.2)
+      loofah (~> 2.3)
+    railties (7.0.1)
+      actionpack (= 7.0.1)
+      activesupport (= 7.0.1)
+      method_source
+      rake (>= 12.2)
+      thor (~> 1.0)
+      zeitwerk (~> 2.5)
+    rainbow (3.1.1)
+    rake (13.0.6)
+    regexp_parser (2.2.0)
+    reline (0.3.1)
+      io-console (~> 0.5)
+    rexml (3.2.5)
+    rspec-core (3.10.2)
+      rspec-support (~> 3.10.0)
+    rspec-expectations (3.10.2)
+      diff-lcs (>= 1.2.0, < 2.0)
+      rspec-support (~> 3.10.0)
+    rspec-mocks (3.10.3)
+      diff-lcs (>= 1.2.0, < 2.0)
+      rspec-support (~> 3.10.0)
+    rspec-rails (5.1.0)
+      actionpack (>= 5.2)
+      activesupport (>= 5.2)
+      railties (>= 5.2)
+      rspec-core (~> 3.10)
+      rspec-expectations (~> 3.10)
+      rspec-mocks (~> 3.10)
+      rspec-support (~> 3.10)
+    rspec-support (3.10.3)
+    rubocop (1.25.1)
+      parallel (~> 1.10)
+      parser (>= 3.1.0.0)
+      rainbow (>= 2.2.2, < 4.0)
+      regexp_parser (>= 1.8, < 3.0)
+      rexml
+      rubocop-ast (>= 1.15.1, < 2.0)
+      ruby-progressbar (~> 1.7)
+      unicode-display_width (>= 1.4.0, < 3.0)
+    rubocop-ast (1.15.1)
+      parser (>= 3.0.1.1)
+    rubocop-rails (2.13.2)
+      activesupport (>= 4.2.0)
+      rack (>= 1.1)
+      rubocop (>= 1.7.0, < 2.0)
+    ruby-progressbar (1.11.0)
+    strscan (3.0.1)
+    thor (1.2.1)
+    timeout (0.2.0)
+    tzinfo (2.0.4)
+      concurrent-ruby (~> 1.0)
+    unicode-display_width (2.1.0)
+    websocket-driver (0.7.5)
+      websocket-extensions (>= 0.1.0)
+    websocket-extensions (0.1.5)
+    zeitwerk (2.5.4)
+
+PLATFORMS
+  x86_64-linux
+
+DEPENDENCIES
+  bootsnap
+  debug
+  puma (~> 5.0)
+  rails (~> 7.0.1)
+  rspec-rails
+  rubocop-rails
+
+RUBY VERSION
+   ruby 3.0.1p64
+
+BUNDLED WITH
+   2.2.15

README.md

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+# README
+
+This README would normally document whatever steps are necessary to get the
+application up and running.
+
+Things you may want to cover:
+
+* Ruby version
+
+* System dependencies
+
+* Configuration
+
+* Database creation
+
+* Database initialization
+
+* How to run the test suite
+
+* Services (job queues, cache servers, search engines, etc.)
+
+* Deployment instructions
+
+* ...

Rakefile

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+# frozen_string_literal: true
+
+# Add your own tasks in files placed in lib/tasks ending in .rake,
+# for example lib/tasks/capistrano.rake, and they will automatically be available to Rake.
+
+require_relative 'config/application'
+
+Rails.application.load_tasks

app/channels/application_cable/channel.rb

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+# frozen_string_literal: true
+
+module ApplicationCable
+  class Channel < ActionCable::Channel::Base
+  end
+end

app/channels/application_cable/connection.rb

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+# frozen_string_literal: true
+
+module ApplicationCable
+  class Connection < ActionCable::Connection::Base
+  end
+end

app/controllers/application_controller.rb

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+# frozen_string_literal: true
+
+class ApplicationController < ActionController::API
+end

app/jobs/application_job.rb

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+# frozen_string_literal: true
+
+class ApplicationJob < ActiveJob::Base
+  # Automatically retry jobs that encountered a deadlock
+  # retry_on ActiveRecord::Deadlocked
+
+  # Most jobs are safe to ignore if the underlying records are no longer available
+  # discard_on ActiveJob::DeserializationError
+end

app/mailers/application_mailer.rb

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+# frozen_string_literal: true
+
+class ApplicationMailer < ActionMailer::Base
+  default from: '[email protected]'
+  layout 'mailer'
+end

app/views/layouts/mailer.html.erb

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+<!DOCTYPE html>
+<html>
+  <head>
+    <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
+    <style>
+      /* Email styles need to be inline */
+    </style>
+  </head>
+
+  <body>
+    <%= yield %>
+  </body>
+</html>

app/views/layouts/mailer.text.erb

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+<%= yield %>