diff --git a/serverside_challenge_1/challenges/ryuichi_ueda/.dockerignore b/serverside_challenge_1/challenges/ryuichi_ueda/.dockerignore
new file mode 100644
index 000000000..bb56dafc1
--- /dev/null
+++ b/serverside_challenge_1/challenges/ryuichi_ueda/.dockerignore
@@ -0,0 +1,31 @@
+# See https://docs.docker.com/engine/reference/builder/#dockerignore-file for more about ignoring files.
+
+# Ignore git directory.
+/.git/
+
+# Ignore bundler config.
+/.bundle
+
+# Ignore all environment files (except templates).
+/.env*
+!/.env*.erb
+
+# Ignore all default key files.
+/config/master.key
+/config/credentials/*.key
+
+# Ignore all logfiles and tempfiles.
+/log/*
+/tmp/*
+!/log/.keep
+!/tmp/.keep
+
+# Ignore pidfiles, but keep the directory.
+/tmp/pids/*
+!/tmp/pids/.keep
+
+# Ignore storage (uploaded files in development and any SQLite databases).
+/storage/*
+!/storage/.keep
+/tmp/storage/*
+!/tmp/storage/.keep
diff --git a/serverside_challenge_1/challenges/ryuichi_ueda/.gitattributes b/serverside_challenge_1/challenges/ryuichi_ueda/.gitattributes
new file mode 100644
index 000000000..8dc432343
--- /dev/null
+++ b/serverside_challenge_1/challenges/ryuichi_ueda/.gitattributes
@@ -0,0 +1,9 @@
+# See https://git-scm.com/docs/gitattributes for more about git attribute files.
+
+# Mark the database schema as having been generated.
+db/schema.rb linguist-generated
+
+# Mark any vendored files as having been vendored.
+vendor/* linguist-vendored
+config/credentials/*.yml.enc diff=rails_credentials
+config/credentials.yml.enc diff=rails_credentials
diff --git a/serverside_challenge_1/challenges/ryuichi_ueda/.gitignore b/serverside_challenge_1/challenges/ryuichi_ueda/.gitignore
new file mode 100644
index 000000000..7e6b54f49
--- /dev/null
+++ b/serverside_challenge_1/challenges/ryuichi_ueda/.gitignore
@@ -0,0 +1,33 @@
+# 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 environment files (except templates).
+/.env*
+!/.env*.erb
+
+# 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 storage (uploaded files in development and any SQLite databases).
+/storage/*
+!/storage/.keep
+/tmp/storage/*
+!/tmp/storage/
+!/tmp/storage/.keep
+
+# Ignore master key for decrypting credentials and more.
+/config/master.key
diff --git a/serverside_challenge_1/challenges/ryuichi_ueda/.rspec b/serverside_challenge_1/challenges/ryuichi_ueda/.rspec
new file mode 100644
index 000000000..c99d2e739
--- /dev/null
+++ b/serverside_challenge_1/challenges/ryuichi_ueda/.rspec
@@ -0,0 +1 @@
+--require spec_helper
diff --git a/serverside_challenge_1/challenges/ryuichi_ueda/.rubocop.yml b/serverside_challenge_1/challenges/ryuichi_ueda/.rubocop.yml
new file mode 100644
index 000000000..e76114c3b
--- /dev/null
+++ b/serverside_challenge_1/challenges/ryuichi_ueda/.rubocop.yml
@@ -0,0 +1,23 @@
+require: rubocop-rails
+
+AllCops:
+ TargetRubyVersion: 3.2
+ NewCops: enable
+ Exclude:
+ - 'db/schema.rb'
+ - 'bin/*'
+ - 'node_modules/**/*'
+Metrics/MethodLength:
+ Max: 15
+
+Metrics/BlockLength:
+ Max: 50
+
+Style/Documentation:
+ Enabled: false
+
+Naming/VariableNumber:
+ Enabled: false
+
+Lint/IneffectiveAccessModifier:
+ Enabled: false
\ No newline at end of file
diff --git a/serverside_challenge_1/challenges/ryuichi_ueda/.ruby-version b/serverside_challenge_1/challenges/ryuichi_ueda/.ruby-version
new file mode 100644
index 000000000..e4604e3af
--- /dev/null
+++ b/serverside_challenge_1/challenges/ryuichi_ueda/.ruby-version
@@ -0,0 +1 @@
+3.2.1
diff --git a/serverside_challenge_1/challenges/ryuichi_ueda/Dockerfile b/serverside_challenge_1/challenges/ryuichi_ueda/Dockerfile
new file mode 100644
index 000000000..d147703af
--- /dev/null
+++ b/serverside_challenge_1/challenges/ryuichi_ueda/Dockerfile
@@ -0,0 +1,59 @@
+# syntax = docker/dockerfile:1
+
+# Make sure RUBY_VERSION matches the Ruby version in .ruby-version and Gemfile
+ARG RUBY_VERSION=3.2.1
+FROM registry.docker.com/library/ruby:$RUBY_VERSION-slim as base
+
+# Rails app lives here
+WORKDIR /rails
+
+# Set production environment
+ENV RAILS_ENV="production" \
+ BUNDLE_DEPLOYMENT="1" \
+ BUNDLE_PATH="/usr/local/bundle" \
+ BUNDLE_WITHOUT="development"
+
+
+# Throw-away build stage to reduce size of final image
+FROM base as build
+
+# Install packages needed to build gems
+RUN apt-get update -qq && \
+ apt-get install --no-install-recommends -y build-essential git libvips pkg-config
+
+# Install application gems
+COPY Gemfile Gemfile.lock ./
+RUN bundle install && \
+ rm -rf ~/.bundle/ "${BUNDLE_PATH}"/ruby/*/cache "${BUNDLE_PATH}"/ruby/*/bundler/gems/*/.git && \
+ bundle exec bootsnap precompile --gemfile
+
+# Copy application code
+COPY . .
+
+# Precompile bootsnap code for faster boot times
+RUN bundle exec bootsnap precompile app/ lib/
+
+
+# Final stage for app image
+FROM base
+
+# Install packages needed for deployment
+RUN apt-get update -qq && \
+ apt-get install --no-install-recommends -y curl libsqlite3-0 libvips && \
+ rm -rf /var/lib/apt/lists /var/cache/apt/archives
+
+# Copy built artifacts: gems, application
+COPY --from=build /usr/local/bundle /usr/local/bundle
+COPY --from=build /rails /rails
+
+# Run and own only the runtime files as a non-root user for security
+RUN useradd rails --create-home --shell /bin/bash && \
+ chown -R rails:rails db log storage tmp
+USER rails:rails
+
+# Entrypoint prepares the database.
+ENTRYPOINT ["/rails/bin/docker-entrypoint"]
+
+# Start the server by default, this can be overwritten at runtime
+EXPOSE 3000
+CMD ["./bin/rails", "server"]
diff --git a/serverside_challenge_1/challenges/ryuichi_ueda/Gemfile b/serverside_challenge_1/challenges/ryuichi_ueda/Gemfile
new file mode 100644
index 000000000..879c04796
--- /dev/null
+++ b/serverside_challenge_1/challenges/ryuichi_ueda/Gemfile
@@ -0,0 +1,51 @@
+# frozen_string_literal: true
+
+source 'https://rubygems.org'
+
+ruby '3.2.1'
+
+# Bundle edge Rails instead: gem "rails", github: "rails/rails", branch: "main"
+gem 'rails', '~> 7.1.2'
+
+# Use sqlite3 as the database for Active Record
+gem 'sqlite3', '~> 1.4'
+
+# Use the Puma web server [https://github.com/puma/puma]
+gem 'puma', '>= 5.0'
+
+# Build JSON APIs with ease [https://github.com/rails/jbuilder]
+# gem "jbuilder"
+
+# Use Redis adapter to run Action Cable in production
+# gem "redis", ">= 4.0.1"
+
+# Use Kredis to get higher-level data types in Redis [https://github.com/rails/kredis]
+# gem "kredis"
+
+# Use Active Model has_secure_password [https://guides.rubyonrails.org/active_model_basics.html#securepassword]
+# gem "bcrypt", "~> 3.1.7"
+
+# Windows does not include zoneinfo files, so bundle the tzinfo-data gem
+gem 'tzinfo-data', platforms: %i[windows jruby]
+
+# Reduces boot times through caching; required in config/boot.rb
+gem 'bootsnap', require: false
+
+# Use Active Storage variants [https://guides.rubyonrails.org/active_storage_overview.html#transforming-images]
+# gem "image_processing", "~> 1.2"
+
+# Use Rack CORS for handling Cross-Origin Resource Sharing (CORS), making cross-origin Ajax possible
+# gem "rack-cors"
+
+group :development, :test do
+ # See https://guides.rubyonrails.org/debugging_rails_applications.html#debugging-with-the-debug-gem
+ gem 'debug', platforms: %i[mri windows]
+ gem 'rspec-rails'
+ gem 'rubocop', require: false
+ gem 'rubocop-rails'
+end
+
+group :development do
+ # Speed up commands on slow machines / big apps [https://github.com/rails/spring]
+ # gem "spring"
+end
diff --git a/serverside_challenge_1/challenges/ryuichi_ueda/Gemfile.lock b/serverside_challenge_1/challenges/ryuichi_ueda/Gemfile.lock
new file mode 100644
index 000000000..e5117548b
--- /dev/null
+++ b/serverside_challenge_1/challenges/ryuichi_ueda/Gemfile.lock
@@ -0,0 +1,260 @@
+GEM
+ remote: https://rubygems.org/
+ specs:
+ actioncable (7.1.2)
+ actionpack (= 7.1.2)
+ activesupport (= 7.1.2)
+ nio4r (~> 2.0)
+ websocket-driver (>= 0.6.1)
+ zeitwerk (~> 2.6)
+ actionmailbox (7.1.2)
+ actionpack (= 7.1.2)
+ activejob (= 7.1.2)
+ activerecord (= 7.1.2)
+ activestorage (= 7.1.2)
+ activesupport (= 7.1.2)
+ mail (>= 2.7.1)
+ net-imap
+ net-pop
+ net-smtp
+ actionmailer (7.1.2)
+ actionpack (= 7.1.2)
+ actionview (= 7.1.2)
+ activejob (= 7.1.2)
+ activesupport (= 7.1.2)
+ mail (~> 2.5, >= 2.5.4)
+ net-imap
+ net-pop
+ net-smtp
+ rails-dom-testing (~> 2.2)
+ actionpack (7.1.2)
+ actionview (= 7.1.2)
+ activesupport (= 7.1.2)
+ nokogiri (>= 1.8.5)
+ racc
+ rack (>= 2.2.4)
+ rack-session (>= 1.0.1)
+ rack-test (>= 0.6.3)
+ rails-dom-testing (~> 2.2)
+ rails-html-sanitizer (~> 1.6)
+ actiontext (7.1.2)
+ actionpack (= 7.1.2)
+ activerecord (= 7.1.2)
+ activestorage (= 7.1.2)
+ activesupport (= 7.1.2)
+ globalid (>= 0.6.0)
+ nokogiri (>= 1.8.5)
+ actionview (7.1.2)
+ activesupport (= 7.1.2)
+ builder (~> 3.1)
+ erubi (~> 1.11)
+ rails-dom-testing (~> 2.2)
+ rails-html-sanitizer (~> 1.6)
+ activejob (7.1.2)
+ activesupport (= 7.1.2)
+ globalid (>= 0.3.6)
+ activemodel (7.1.2)
+ activesupport (= 7.1.2)
+ activerecord (7.1.2)
+ activemodel (= 7.1.2)
+ activesupport (= 7.1.2)
+ timeout (>= 0.4.0)
+ activestorage (7.1.2)
+ actionpack (= 7.1.2)
+ activejob (= 7.1.2)
+ activerecord (= 7.1.2)
+ activesupport (= 7.1.2)
+ marcel (~> 1.0)
+ activesupport (7.1.2)
+ base64
+ bigdecimal
+ concurrent-ruby (~> 1.0, >= 1.0.2)
+ connection_pool (>= 2.2.5)
+ drb
+ i18n (>= 1.6, < 2)
+ minitest (>= 5.1)
+ mutex_m
+ tzinfo (~> 2.0)
+ ast (2.4.2)
+ base64 (0.2.0)
+ bigdecimal (3.1.4)
+ bootsnap (1.17.0)
+ msgpack (~> 1.2)
+ builder (3.2.4)
+ concurrent-ruby (1.2.2)
+ connection_pool (2.4.1)
+ crass (1.0.6)
+ date (3.3.4)
+ debug (1.8.0)
+ irb (>= 1.5.0)
+ reline (>= 0.3.1)
+ diff-lcs (1.5.0)
+ drb (2.2.0)
+ ruby2_keywords
+ erubi (1.12.0)
+ globalid (1.2.1)
+ activesupport (>= 6.1)
+ i18n (1.14.1)
+ concurrent-ruby (~> 1.0)
+ io-console (0.6.0)
+ irb (1.10.1)
+ rdoc
+ reline (>= 0.3.8)
+ json (2.7.1)
+ language_server-protocol (3.17.0.3)
+ loofah (2.22.0)
+ crass (~> 1.0.2)
+ nokogiri (>= 1.12.0)
+ mail (2.8.1)
+ mini_mime (>= 0.1.1)
+ net-imap
+ net-pop
+ net-smtp
+ marcel (1.0.2)
+ mini_mime (1.1.5)
+ minitest (5.20.0)
+ msgpack (1.7.2)
+ mutex_m (0.2.0)
+ net-imap (0.4.7)
+ date
+ net-protocol
+ net-pop (0.1.2)
+ net-protocol
+ net-protocol (0.2.2)
+ timeout
+ net-smtp (0.4.0)
+ net-protocol
+ nio4r (2.7.0)
+ nokogiri (1.15.5-aarch64-linux)
+ racc (~> 1.4)
+ nokogiri (1.15.5-arm64-darwin)
+ racc (~> 1.4)
+ nokogiri (1.15.5-x86_64-linux)
+ racc (~> 1.4)
+ parallel (1.23.0)
+ parser (3.2.2.4)
+ ast (~> 2.4.1)
+ racc
+ psych (5.1.1.1)
+ stringio
+ puma (6.4.0)
+ nio4r (~> 2.0)
+ racc (1.7.3)
+ rack (3.0.8)
+ rack-session (2.0.0)
+ rack (>= 3.0.0)
+ rack-test (2.1.0)
+ rack (>= 1.3)
+ rackup (2.1.0)
+ rack (>= 3)
+ webrick (~> 1.8)
+ rails (7.1.2)
+ actioncable (= 7.1.2)
+ actionmailbox (= 7.1.2)
+ actionmailer (= 7.1.2)
+ actionpack (= 7.1.2)
+ actiontext (= 7.1.2)
+ actionview (= 7.1.2)
+ activejob (= 7.1.2)
+ activemodel (= 7.1.2)
+ activerecord (= 7.1.2)
+ activestorage (= 7.1.2)
+ activesupport (= 7.1.2)
+ bundler (>= 1.15.0)
+ railties (= 7.1.2)
+ rails-dom-testing (2.2.0)
+ activesupport (>= 5.0.0)
+ minitest
+ nokogiri (>= 1.6)
+ rails-html-sanitizer (1.6.0)
+ loofah (~> 2.21)
+ nokogiri (~> 1.14)
+ railties (7.1.2)
+ actionpack (= 7.1.2)
+ activesupport (= 7.1.2)
+ irb
+ rackup (>= 1.0.0)
+ rake (>= 12.2)
+ thor (~> 1.0, >= 1.2.2)
+ zeitwerk (~> 2.6)
+ rainbow (3.1.1)
+ rake (13.1.0)
+ rdoc (6.6.1)
+ psych (>= 4.0.0)
+ regexp_parser (2.8.3)
+ reline (0.4.1)
+ io-console (~> 0.5)
+ rexml (3.2.6)
+ rspec-core (3.12.2)
+ rspec-support (~> 3.12.0)
+ rspec-expectations (3.12.3)
+ diff-lcs (>= 1.2.0, < 2.0)
+ rspec-support (~> 3.12.0)
+ rspec-mocks (3.12.6)
+ diff-lcs (>= 1.2.0, < 2.0)
+ rspec-support (~> 3.12.0)
+ rspec-rails (6.1.0)
+ actionpack (>= 6.1)
+ activesupport (>= 6.1)
+ railties (>= 6.1)
+ rspec-core (~> 3.12)
+ rspec-expectations (~> 3.12)
+ rspec-mocks (~> 3.12)
+ rspec-support (~> 3.12)
+ rspec-support (3.12.1)
+ rubocop (1.58.0)
+ json (~> 2.3)
+ language_server-protocol (>= 3.17.0)
+ parallel (~> 1.10)
+ parser (>= 3.2.2.4)
+ rainbow (>= 2.2.2, < 4.0)
+ regexp_parser (>= 1.8, < 3.0)
+ rexml (>= 3.2.5, < 4.0)
+ rubocop-ast (>= 1.30.0, < 2.0)
+ ruby-progressbar (~> 1.7)
+ unicode-display_width (>= 2.4.0, < 3.0)
+ rubocop-ast (1.30.0)
+ parser (>= 3.2.1.0)
+ rubocop-rails (2.22.2)
+ activesupport (>= 4.2.0)
+ rack (>= 1.1)
+ rubocop (>= 1.33.0, < 2.0)
+ rubocop-ast (>= 1.30.0, < 2.0)
+ ruby-progressbar (1.13.0)
+ ruby2_keywords (0.0.5)
+ sqlite3 (1.6.9-aarch64-linux)
+ sqlite3 (1.6.9-arm64-darwin)
+ sqlite3 (1.6.9-x86_64-linux)
+ stringio (3.1.0)
+ thor (1.3.0)
+ timeout (0.4.1)
+ tzinfo (2.0.6)
+ concurrent-ruby (~> 1.0)
+ unicode-display_width (2.5.0)
+ webrick (1.8.1)
+ websocket-driver (0.7.6)
+ websocket-extensions (>= 0.1.0)
+ websocket-extensions (0.1.5)
+ zeitwerk (2.6.12)
+
+PLATFORMS
+ aarch64-linux
+ arm64-darwin-21
+ x86_64-linux
+
+DEPENDENCIES
+ bootsnap
+ debug
+ puma (>= 5.0)
+ rails (~> 7.1.2)
+ rspec-rails
+ rubocop
+ rubocop-rails
+ sqlite3 (~> 1.4)
+ tzinfo-data
+
+RUBY VERSION
+ ruby 3.2.1p31
+
+BUNDLED WITH
+ 2.4.6
diff --git a/serverside_challenge_1/challenges/ryuichi_ueda/README.md b/serverside_challenge_1/challenges/ryuichi_ueda/README.md
new file mode 100644
index 000000000..7db80e4ca
--- /dev/null
+++ b/serverside_challenge_1/challenges/ryuichi_ueda/README.md
@@ -0,0 +1,24 @@
+# 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
+
+* ...
diff --git a/serverside_challenge_1/challenges/ryuichi_ueda/Rakefile b/serverside_challenge_1/challenges/ryuichi_ueda/Rakefile
new file mode 100644
index 000000000..488c551fe
--- /dev/null
+++ b/serverside_challenge_1/challenges/ryuichi_ueda/Rakefile
@@ -0,0 +1,8 @@
+# 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
diff --git a/serverside_challenge_1/challenges/ryuichi_ueda/app/channels/application_cable/channel.rb b/serverside_challenge_1/challenges/ryuichi_ueda/app/channels/application_cable/channel.rb
new file mode 100644
index 000000000..9aec23053
--- /dev/null
+++ b/serverside_challenge_1/challenges/ryuichi_ueda/app/channels/application_cable/channel.rb
@@ -0,0 +1,6 @@
+# frozen_string_literal: true
+
+module ApplicationCable
+ class Channel < ActionCable::Channel::Base
+ end
+end
diff --git a/serverside_challenge_1/challenges/ryuichi_ueda/app/channels/application_cable/connection.rb b/serverside_challenge_1/challenges/ryuichi_ueda/app/channels/application_cable/connection.rb
new file mode 100644
index 000000000..8d6c2a1bf
--- /dev/null
+++ b/serverside_challenge_1/challenges/ryuichi_ueda/app/channels/application_cable/connection.rb
@@ -0,0 +1,6 @@
+# frozen_string_literal: true
+
+module ApplicationCable
+ class Connection < ActionCable::Connection::Base
+ end
+end
diff --git a/serverside_challenge_1/challenges/ryuichi_ueda/app/controllers/api/v1/plans_controller.rb b/serverside_challenge_1/challenges/ryuichi_ueda/app/controllers/api/v1/plans_controller.rb
new file mode 100644
index 000000000..686d7e6ad
--- /dev/null
+++ b/serverside_challenge_1/challenges/ryuichi_ueda/app/controllers/api/v1/plans_controller.rb
@@ -0,0 +1,48 @@
+# frozen_string_literal: true
+
+module Api
+ module V1
+ class PlansController < ApplicationController
+ include Constants
+
+ before_action :set_params
+ before_action :validate_params
+
+ def list
+ totals = ProviderService.calculate(@ampere, @usage)
+ providers_info = ProviderService.providers_info(@ampere)
+ generated_data = generate_data(totals, providers_info)
+
+ render JsonResponse.ok(generated_data)
+ end
+
+ private
+
+ def set_params
+ @ampere = params[:ampere]
+ @usage = params[:usage]
+ end
+
+ def validate_params
+ validator = Validator.new(@ampere, @usage)
+ if validator.valid?
+ @ampere = validator.ampere.to_i
+ @usage = validator.usage.to_i
+ else
+ error_messages = validator.errors.full_messages.join(', ')
+ render JsonResponse.unprocessable_entity(error_messages)
+ end
+ end
+
+ def generate_data(totals, providers_info)
+ providers_info.map do |provider, info|
+ {
+ provider_name: info.keys.first,
+ plan_name: info.values.first,
+ price: totals[provider]
+ }
+ end
+ end
+ end
+ end
+end
diff --git a/serverside_challenge_1/challenges/ryuichi_ueda/app/controllers/application_controller.rb b/serverside_challenge_1/challenges/ryuichi_ueda/app/controllers/application_controller.rb
new file mode 100644
index 000000000..edc1deb7c
--- /dev/null
+++ b/serverside_challenge_1/challenges/ryuichi_ueda/app/controllers/application_controller.rb
@@ -0,0 +1,11 @@
+# frozen_string_literal: true
+
+class ApplicationController < ActionController::API
+ def route_not_found
+ render status: :not_found, json: {
+ status: 'error',
+ message: 'リクエストされたエンドポイントが見つかりません。',
+ data: {}
+ }
+ end
+end
diff --git a/serverside_challenge_1/challenges/ryuichi_ueda/app/controllers/concerns/.keep b/serverside_challenge_1/challenges/ryuichi_ueda/app/controllers/concerns/.keep
new file mode 100644
index 000000000..e69de29bb
diff --git a/serverside_challenge_1/challenges/ryuichi_ueda/app/jobs/application_job.rb b/serverside_challenge_1/challenges/ryuichi_ueda/app/jobs/application_job.rb
new file mode 100644
index 000000000..bef395997
--- /dev/null
+++ b/serverside_challenge_1/challenges/ryuichi_ueda/app/jobs/application_job.rb
@@ -0,0 +1,9 @@
+# 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
diff --git a/serverside_challenge_1/challenges/ryuichi_ueda/app/mailers/application_mailer.rb b/serverside_challenge_1/challenges/ryuichi_ueda/app/mailers/application_mailer.rb
new file mode 100644
index 000000000..d84cb6e71
--- /dev/null
+++ b/serverside_challenge_1/challenges/ryuichi_ueda/app/mailers/application_mailer.rb
@@ -0,0 +1,6 @@
+# frozen_string_literal: true
+
+class ApplicationMailer < ActionMailer::Base
+ default from: 'from@example.com'
+ layout 'mailer'
+end
diff --git a/serverside_challenge_1/challenges/ryuichi_ueda/app/models/application_record.rb b/serverside_challenge_1/challenges/ryuichi_ueda/app/models/application_record.rb
new file mode 100644
index 000000000..08dc53798
--- /dev/null
+++ b/serverside_challenge_1/challenges/ryuichi_ueda/app/models/application_record.rb
@@ -0,0 +1,5 @@
+# frozen_string_literal: true
+
+class ApplicationRecord < ActiveRecord::Base
+ primary_abstract_class
+end
diff --git a/serverside_challenge_1/challenges/ryuichi_ueda/app/models/concerns/.keep b/serverside_challenge_1/challenges/ryuichi_ueda/app/models/concerns/.keep
new file mode 100644
index 000000000..e69de29bb
diff --git a/serverside_challenge_1/challenges/ryuichi_ueda/app/models/concerns/constants.rb b/serverside_challenge_1/challenges/ryuichi_ueda/app/models/concerns/constants.rb
new file mode 100644
index 000000000..73bbc568e
--- /dev/null
+++ b/serverside_challenge_1/challenges/ryuichi_ueda/app/models/concerns/constants.rb
@@ -0,0 +1,7 @@
+# frozen_string_literal: true
+
+module Constants
+ VALID_AMPERES = [10, 15, 20, 30, 40, 50, 60].freeze
+ VALID_AMPERES_MORE_THAN_30 = [30, 40, 50, 60].freeze
+ YAML_PATH = Rails.root.join('lib/data/charge_list.yml')
+end
diff --git a/serverside_challenge_1/challenges/ryuichi_ueda/app/models/electric_plan.rb b/serverside_challenge_1/challenges/ryuichi_ueda/app/models/electric_plan.rb
new file mode 100644
index 000000000..98906d5b9
--- /dev/null
+++ b/serverside_challenge_1/challenges/ryuichi_ueda/app/models/electric_plan.rb
@@ -0,0 +1,35 @@
+# frozen_string_literal: true
+
+class ElectricPlan
+ def initialize(provider, plan)
+ @data = InitializeChargePlan.new(provider, plan)
+ end
+
+ def total_charge(ampere, usage)
+ (basic_charge(ampere) + usage_charge(usage)).floor
+ end
+
+ def provider_info
+ { @data.provider => @data.plan }
+ end
+
+ protected
+
+ def basic_charge(ampere)
+ @data.basic_charges[ampere]
+ end
+
+ def usage_charge(usage)
+ charge = 0
+ @data.tiers.each do |limit, rate|
+ if usage > limit
+ charge += (limit * rate)
+ usage -= limit
+ else
+ charge += (usage * rate)
+ break
+ end
+ end
+ charge
+ end
+end
diff --git a/serverside_challenge_1/challenges/ryuichi_ueda/app/services/electric_plan_factory.rb b/serverside_challenge_1/challenges/ryuichi_ueda/app/services/electric_plan_factory.rb
new file mode 100644
index 000000000..02546357c
--- /dev/null
+++ b/serverside_challenge_1/challenges/ryuichi_ueda/app/services/electric_plan_factory.rb
@@ -0,0 +1,7 @@
+# frozen_string_literal: true
+
+class ElectricPlanFactory
+ def self.create(provide, plan)
+ ElectricPlan.new(provide, plan)
+ end
+end
diff --git a/serverside_challenge_1/challenges/ryuichi_ueda/app/services/initialize_charge_plan.rb b/serverside_challenge_1/challenges/ryuichi_ueda/app/services/initialize_charge_plan.rb
new file mode 100644
index 000000000..7b181d7df
--- /dev/null
+++ b/serverside_challenge_1/challenges/ryuichi_ueda/app/services/initialize_charge_plan.rb
@@ -0,0 +1,33 @@
+# frozen_string_literal: true
+
+class InitializeChargePlan
+ include Constants
+
+ attr_reader :basic_charges, :tiers, :provider, :plan
+
+ def initialize(provider, plan)
+ @provider_data = self.class.load_providers[provider]
+ @basic_charges = generate_basic_charges
+ @tiers = generate_tiers
+ @plan = plan || @provider_data['plan']
+ @provider = provider
+ end
+
+ def self.load_providers
+ @load_providers ||= YAML.load_file(YAML_PATH)['providers']
+ end
+
+ private
+
+ def generate_basic_charges
+ VALID_AMPERES.index_with do |ampere|
+ @provider_data['basic_charges'][ampere]
+ end.freeze
+ end
+
+ def generate_tiers
+ @provider_data['tiers'].transform_keys do |key|
+ key == 'Infinity' ? Float::INFINITY : key
+ end.freeze
+ end
+end
diff --git a/serverside_challenge_1/challenges/ryuichi_ueda/app/services/json_response.rb b/serverside_challenge_1/challenges/ryuichi_ueda/app/services/json_response.rb
new file mode 100644
index 000000000..3a93cdceb
--- /dev/null
+++ b/serverside_challenge_1/challenges/ryuichi_ueda/app/services/json_response.rb
@@ -0,0 +1,25 @@
+# frozen_string_literal: true
+
+class JsonResponse
+ def self.unprocessable_entity(message)
+ {
+ status: :unprocessable_entity,
+ json: {
+ status: 'error',
+ message:,
+ data: {}
+ }
+ }
+ end
+
+ def self.ok(generated_data)
+ {
+ status: :ok,
+ json: {
+ status: 'success',
+ message: '料金情報の取得に成功しました。',
+ data: generated_data
+ }
+ }
+ end
+end
diff --git a/serverside_challenge_1/challenges/ryuichi_ueda/app/services/provider_service.rb b/serverside_challenge_1/challenges/ryuichi_ueda/app/services/provider_service.rb
new file mode 100644
index 000000000..e92d3463d
--- /dev/null
+++ b/serverside_challenge_1/challenges/ryuichi_ueda/app/services/provider_service.rb
@@ -0,0 +1,42 @@
+# frozen_string_literal: true
+
+class ProviderService
+ include Constants
+
+ def self.calculate(ampere, usage)
+ plan_infos = initialize_plans
+ plans = select_plans(plan_infos, ampere)
+ plans.to_h do |provider, plan|
+ [provider, ElectricPlanFactory.create(provider, plan).total_charge(ampere, usage)]
+ end
+ end
+
+ def self.providers_info(ampere)
+ plan_infos = initialize_plans
+ plans = select_plans(plan_infos, ampere)
+ plans.to_h do |provider, plan|
+ [provider, ElectricPlanFactory.create(provider, plan).provider_info]
+ end
+ end
+
+ def self.more_than_30_ampere?(ampere)
+ VALID_AMPERES_MORE_THAN_30.include?(ampere)
+ end
+
+ def self.select_plans(plan_infos, ampere)
+ if more_than_30_ampere?(ampere)
+ plan_infos
+ else
+ plan_infos.slice('東京電力エナジーパートナー', 'Loopでんき')
+ end
+ end
+
+ def self.initialize_plans
+ [
+ ElectricPlanFactory.create('東京電力エナジーパートナー', '従量電灯B'),
+ ElectricPlanFactory.create('Loopでんき', 'おうちプラン'),
+ ElectricPlanFactory.create('東京ガス株式会社', 'ずっとも電気1'),
+ ElectricPlanFactory.create('JXTGでんき', '従量電灯Bたっぷりプラン')
+ ].map(&:provider_info).reduce({}, :merge)
+ end
+end
diff --git a/serverside_challenge_1/challenges/ryuichi_ueda/app/services/validator.rb b/serverside_challenge_1/challenges/ryuichi_ueda/app/services/validator.rb
new file mode 100644
index 000000000..7bbcdbdb3
--- /dev/null
+++ b/serverside_challenge_1/challenges/ryuichi_ueda/app/services/validator.rb
@@ -0,0 +1,34 @@
+# frozen_string_literal: true
+
+class Validator
+ include ActiveModel::Validations
+ include Constants
+
+ attr_accessor :ampere, :usage
+
+ validate :validate_ampere
+ validate :validate_usage
+
+ def initialize(ampere, usage)
+ @ampere = ampere
+ @usage = usage
+ end
+
+ private
+
+ def validate_ampere
+ return if numeric?(@ampere) && VALID_AMPERES.include?(@ampere.to_i)
+
+ errors.add(:ampere, "は#{VALID_AMPERES.join(',')}のいずれかの整数でなければなりません。")
+ end
+
+ def validate_usage
+ return if numeric?(@usage) && @usage.to_i >= 0
+
+ errors.add(:usage, 'は0以上の整数でなければなりません。')
+ end
+
+ def numeric?(string)
+ string.match?(/\A\d+\z/)
+ end
+end
diff --git a/serverside_challenge_1/challenges/ryuichi_ueda/app/views/layouts/mailer.html.erb b/serverside_challenge_1/challenges/ryuichi_ueda/app/views/layouts/mailer.html.erb
new file mode 100644
index 000000000..3aac9002e
--- /dev/null
+++ b/serverside_challenge_1/challenges/ryuichi_ueda/app/views/layouts/mailer.html.erb
@@ -0,0 +1,13 @@
+
+
+
+
+
+
+
+
+ <%= yield %>
+
+
diff --git a/serverside_challenge_1/challenges/ryuichi_ueda/app/views/layouts/mailer.text.erb b/serverside_challenge_1/challenges/ryuichi_ueda/app/views/layouts/mailer.text.erb
new file mode 100644
index 000000000..37f0bddbd
--- /dev/null
+++ b/serverside_challenge_1/challenges/ryuichi_ueda/app/views/layouts/mailer.text.erb
@@ -0,0 +1 @@
+<%= yield %>
diff --git a/serverside_challenge_1/challenges/ryuichi_ueda/bin/bundle b/serverside_challenge_1/challenges/ryuichi_ueda/bin/bundle
new file mode 100755
index 000000000..ee73929e5
--- /dev/null
+++ b/serverside_challenge_1/challenges/ryuichi_ueda/bin/bundle
@@ -0,0 +1,109 @@
+#!/usr/bin/env ruby
+# frozen_string_literal: true
+
+#
+# This file was generated by Bundler.
+#
+# The application 'bundle' is installed as part of a gem, and
+# this file is here to facilitate running it.
+#
+
+require "rubygems"
+
+m = Module.new do
+ module_function
+
+ def invoked_as_script?
+ File.expand_path($0) == File.expand_path(__FILE__)
+ end
+
+ def env_var_version
+ ENV["BUNDLER_VERSION"]
+ end
+
+ def cli_arg_version
+ return unless invoked_as_script? # don't want to hijack other binstubs
+ return unless "update".start_with?(ARGV.first || " ") # must be running `bundle update`
+ bundler_version = nil
+ update_index = nil
+ ARGV.each_with_index do |a, i|
+ if update_index && update_index.succ == i && a =~ Gem::Version::ANCHORED_VERSION_PATTERN
+ bundler_version = a
+ end
+ next unless a =~ /\A--bundler(?:[= ](#{Gem::Version::VERSION_PATTERN}))?\z/
+ bundler_version = $1
+ update_index = i
+ end
+ bundler_version
+ end
+
+ def gemfile
+ gemfile = ENV["BUNDLE_GEMFILE"]
+ return gemfile if gemfile && !gemfile.empty?
+
+ File.expand_path("../Gemfile", __dir__)
+ end
+
+ def lockfile
+ lockfile =
+ case File.basename(gemfile)
+ when "gems.rb" then gemfile.sub(/\.rb$/, gemfile)
+ else "#{gemfile}.lock"
+ end
+ File.expand_path(lockfile)
+ end
+
+ def lockfile_version
+ return unless File.file?(lockfile)
+ lockfile_contents = File.read(lockfile)
+ return unless lockfile_contents =~ /\n\nBUNDLED WITH\n\s{2,}(#{Gem::Version::VERSION_PATTERN})\n/
+ Regexp.last_match(1)
+ end
+
+ def bundler_requirement
+ @bundler_requirement ||=
+ env_var_version ||
+ cli_arg_version ||
+ bundler_requirement_for(lockfile_version)
+ end
+
+ def bundler_requirement_for(version)
+ return "#{Gem::Requirement.default}.a" unless version
+
+ bundler_gem_version = Gem::Version.new(version)
+
+ bundler_gem_version.approximate_recommendation
+ end
+
+ def load_bundler!
+ ENV["BUNDLE_GEMFILE"] ||= gemfile
+
+ activate_bundler
+ end
+
+ def activate_bundler
+ gem_error = activation_error_handling do
+ gem "bundler", bundler_requirement
+ end
+ return if gem_error.nil?
+ require_error = activation_error_handling do
+ require "bundler/version"
+ end
+ return if require_error.nil? && Gem::Requirement.new(bundler_requirement).satisfied_by?(Gem::Version.new(Bundler::VERSION))
+ warn "Activating bundler (#{bundler_requirement}) failed:\n#{gem_error.message}\n\nTo install the version of bundler this project requires, run `gem install bundler -v '#{bundler_requirement}'`"
+ exit 42
+ end
+
+ def activation_error_handling
+ yield
+ nil
+ rescue StandardError, LoadError => e
+ e
+ end
+end
+
+m.load_bundler!
+
+if m.invoked_as_script?
+ load Gem.bin_path("bundler", "bundle")
+end
diff --git a/serverside_challenge_1/challenges/ryuichi_ueda/bin/docker-entrypoint b/serverside_challenge_1/challenges/ryuichi_ueda/bin/docker-entrypoint
new file mode 100755
index 000000000..67ef49314
--- /dev/null
+++ b/serverside_challenge_1/challenges/ryuichi_ueda/bin/docker-entrypoint
@@ -0,0 +1,8 @@
+#!/bin/bash -e
+
+# If running the rails server then create or migrate existing database
+if [ "${1}" == "./bin/rails" ] && [ "${2}" == "server" ]; then
+ ./bin/rails db:prepare
+fi
+
+exec "${@}"
diff --git a/serverside_challenge_1/challenges/ryuichi_ueda/bin/rails b/serverside_challenge_1/challenges/ryuichi_ueda/bin/rails
new file mode 100755
index 000000000..efc037749
--- /dev/null
+++ b/serverside_challenge_1/challenges/ryuichi_ueda/bin/rails
@@ -0,0 +1,4 @@
+#!/usr/bin/env ruby
+APP_PATH = File.expand_path("../config/application", __dir__)
+require_relative "../config/boot"
+require "rails/commands"
diff --git a/serverside_challenge_1/challenges/ryuichi_ueda/bin/rake b/serverside_challenge_1/challenges/ryuichi_ueda/bin/rake
new file mode 100755
index 000000000..4fbf10b96
--- /dev/null
+++ b/serverside_challenge_1/challenges/ryuichi_ueda/bin/rake
@@ -0,0 +1,4 @@
+#!/usr/bin/env ruby
+require_relative "../config/boot"
+require "rake"
+Rake.application.run
diff --git a/serverside_challenge_1/challenges/ryuichi_ueda/bin/setup b/serverside_challenge_1/challenges/ryuichi_ueda/bin/setup
new file mode 100755
index 000000000..3cd5a9d78
--- /dev/null
+++ b/serverside_challenge_1/challenges/ryuichi_ueda/bin/setup
@@ -0,0 +1,33 @@
+#!/usr/bin/env ruby
+require "fileutils"
+
+# path to your application root.
+APP_ROOT = File.expand_path("..", __dir__)
+
+def system!(*args)
+ system(*args, exception: true)
+end
+
+FileUtils.chdir APP_ROOT do
+ # This script is a way to set up or update your development environment automatically.
+ # This script is idempotent, so that you can run it at any time and get an expectable outcome.
+ # Add necessary setup steps to this file.
+
+ puts "== Installing dependencies =="
+ system! "gem install bundler --conservative"
+ system("bundle check") || system!("bundle install")
+
+ # puts "\n== Copying sample files =="
+ # unless File.exist?("config/database.yml")
+ # FileUtils.cp "config/database.yml.sample", "config/database.yml"
+ # end
+
+ puts "\n== Preparing database =="
+ system! "bin/rails db:prepare"
+
+ puts "\n== Removing old logs and tempfiles =="
+ system! "bin/rails log:clear tmp:clear"
+
+ puts "\n== Restarting application server =="
+ system! "bin/rails restart"
+end
diff --git a/serverside_challenge_1/challenges/ryuichi_ueda/config.ru b/serverside_challenge_1/challenges/ryuichi_ueda/config.ru
new file mode 100644
index 000000000..6dc832180
--- /dev/null
+++ b/serverside_challenge_1/challenges/ryuichi_ueda/config.ru
@@ -0,0 +1,8 @@
+# frozen_string_literal: true
+
+# This file is used by Rack-based servers to start the application.
+
+require_relative 'config/environment'
+
+run Rails.application
+Rails.application.load_server
diff --git a/serverside_challenge_1/challenges/ryuichi_ueda/config/application.rb b/serverside_challenge_1/challenges/ryuichi_ueda/config/application.rb
new file mode 100644
index 000000000..004b38211
--- /dev/null
+++ b/serverside_challenge_1/challenges/ryuichi_ueda/config/application.rb
@@ -0,0 +1,34 @@
+# frozen_string_literal: true
+
+require_relative 'boot'
+
+require 'rails/all'
+
+# Require the gems listed in Gemfile, including any gems
+# you've limited to :test, :development, or :production.
+Bundler.require(*Rails.groups)
+
+module RyuichiUeda
+ class Application < Rails::Application
+ # Initialize configuration defaults for originally generated Rails version.
+ config.load_defaults 7.1
+
+ # Please, add to the `ignore` list any other `lib` subdirectories that do
+ # not contain `.rb` files, or that should not be reloaded or eager loaded.
+ # Common ones are `templates`, `generators`, or `middleware`, for example.
+ config.autoload_lib(ignore: %w[assets tasks])
+
+ # Configuration for the application, engines, and railties goes here.
+ #
+ # These settings can be overridden in specific environments using the files
+ # in config/environments, which are processed later.
+ #
+ # config.time_zone = "Central Time (US & Canada)"
+ # config.eager_load_paths << Rails.root.join("extras")
+ config.i18n.default_locale = :ja
+ # Only loads a smaller set of middleware suitable for API only apps.
+ # Middleware like session, flash, cookies can be added back manually.
+ # Skip views, helpers and assets when generating a new resource.
+ config.api_only = true
+ end
+end
diff --git a/serverside_challenge_1/challenges/ryuichi_ueda/config/boot.rb b/serverside_challenge_1/challenges/ryuichi_ueda/config/boot.rb
new file mode 100644
index 000000000..c04863fa7
--- /dev/null
+++ b/serverside_challenge_1/challenges/ryuichi_ueda/config/boot.rb
@@ -0,0 +1,6 @@
+# frozen_string_literal: true
+
+ENV['BUNDLE_GEMFILE'] ||= File.expand_path('../Gemfile', __dir__)
+
+require 'bundler/setup' # Set up gems listed in the Gemfile.
+require 'bootsnap/setup' # Speed up boot time by caching expensive operations.
diff --git a/serverside_challenge_1/challenges/ryuichi_ueda/config/cable.yml b/serverside_challenge_1/challenges/ryuichi_ueda/config/cable.yml
new file mode 100644
index 000000000..43f3e8b78
--- /dev/null
+++ b/serverside_challenge_1/challenges/ryuichi_ueda/config/cable.yml
@@ -0,0 +1,10 @@
+development:
+ adapter: async
+
+test:
+ adapter: test
+
+production:
+ adapter: redis
+ url: <%= ENV.fetch("REDIS_URL") { "redis://localhost:6379/1" } %>
+ channel_prefix: ryuichi_ueda_production
diff --git a/serverside_challenge_1/challenges/ryuichi_ueda/config/credentials.yml.enc b/serverside_challenge_1/challenges/ryuichi_ueda/config/credentials.yml.enc
new file mode 100644
index 000000000..5f2e4a4a8
--- /dev/null
+++ b/serverside_challenge_1/challenges/ryuichi_ueda/config/credentials.yml.enc
@@ -0,0 +1 @@
+Rp5kc/4wtA5GWGHy7Xzyc6wWc/A05nfNVcsZ6yxMjH8COjaPcY7RMxzwTm+8Lqy/KJL3vcbJLTiuVBTK2JAKt2Ip0wnsszLieAhp/nC10MzqaSrnRMoEedpSu1IcYslaeAxvwF9eAFXhbRWi8CHLNQdcP3I2hJeag0/CKyxI5AHzsDenJmUWWHbdnkZhfIB/9oiERC197Npx4Wxwann3FE7D6G6qfYbX+qjKDV3p1FSD/DV7HSddPutouYhXwfGNiK3q8hpdlKeDj+wIIXFc/BrYLjW3B4fJW4Y/nxpBmZjoN/JtnZiJSJsoaZOXz68sSPPAD4hTtzGs0M3Iq67qZGTv72XVZDfej54gNmwMQiuYuc4ShqbNDkQIIYWrGKeavasjjgP4bxIlvJ4L5ukzzYv3oB0R--CtyHNP83E1O80JeS--vu72EoF/aTgcq6CwYk6e3g==
\ No newline at end of file
diff --git a/serverside_challenge_1/challenges/ryuichi_ueda/config/database.yml b/serverside_challenge_1/challenges/ryuichi_ueda/config/database.yml
new file mode 100644
index 000000000..796466ba2
--- /dev/null
+++ b/serverside_challenge_1/challenges/ryuichi_ueda/config/database.yml
@@ -0,0 +1,25 @@
+# SQLite. Versions 3.8.0 and up are supported.
+# gem install sqlite3
+#
+# Ensure the SQLite 3 gem is defined in your Gemfile
+# gem "sqlite3"
+#
+default: &default
+ adapter: sqlite3
+ pool: <%= ENV.fetch("RAILS_MAX_THREADS") { 5 } %>
+ timeout: 5000
+
+development:
+ <<: *default
+ database: storage/development.sqlite3
+
+# Warning: The database defined as "test" will be erased and
+# re-generated from your development database when you run "rake".
+# Do not set this db to the same as development or production.
+test:
+ <<: *default
+ database: storage/test.sqlite3
+
+production:
+ <<: *default
+ database: storage/production.sqlite3
diff --git a/serverside_challenge_1/challenges/ryuichi_ueda/config/environment.rb b/serverside_challenge_1/challenges/ryuichi_ueda/config/environment.rb
new file mode 100644
index 000000000..d5abe5580
--- /dev/null
+++ b/serverside_challenge_1/challenges/ryuichi_ueda/config/environment.rb
@@ -0,0 +1,7 @@
+# frozen_string_literal: true
+
+# Load the Rails application.
+require_relative 'application'
+
+# Initialize the Rails application.
+Rails.application.initialize!
diff --git a/serverside_challenge_1/challenges/ryuichi_ueda/config/environments/development.rb b/serverside_challenge_1/challenges/ryuichi_ueda/config/environments/development.rb
new file mode 100644
index 000000000..d55362d43
--- /dev/null
+++ b/serverside_challenge_1/challenges/ryuichi_ueda/config/environments/development.rb
@@ -0,0 +1,72 @@
+# frozen_string_literal: true
+
+require 'active_support/core_ext/integer/time'
+
+Rails.application.configure do
+ # Settings specified here will take precedence over those in config/application.rb.
+
+ # In the development environment your application's code is reloaded any time
+ # it changes. This slows down response time but is perfect for development
+ # since you don't have to restart the web server when you make code changes.
+ config.enable_reloading = true
+
+ # Do not eager load code on boot.
+ config.eager_load = false
+
+ # Show full error reports.
+ config.consider_all_requests_local = true
+
+ # Enable server timing
+ config.server_timing = true
+
+ # Enable/disable caching. By default caching is disabled.
+ # Run rails dev:cache to toggle caching.
+ if Rails.root.join('tmp/caching-dev.txt').exist?
+ config.cache_store = :memory_store
+ config.public_file_server.headers = {
+ 'Cache-Control' => "public, max-age=#{2.days.to_i}"
+ }
+ else
+ config.action_controller.perform_caching = false
+
+ config.cache_store = :null_store
+ end
+
+ # Store uploaded files on the local file system (see config/storage.yml for options).
+ config.active_storage.service = :local
+
+ # Don't care if the mailer can't send.
+ config.action_mailer.raise_delivery_errors = false
+
+ config.action_mailer.perform_caching = false
+
+ # Print deprecation notices to the Rails logger.
+ config.active_support.deprecation = :log
+
+ # Raise exceptions for disallowed deprecations.
+ config.active_support.disallowed_deprecation = :raise
+
+ # Tell Active Support which deprecation messages to disallow.
+ config.active_support.disallowed_deprecation_warnings = []
+
+ # Raise an error on page load if there are pending migrations.
+ config.active_record.migration_error = :page_load
+
+ # Highlight code that triggered database queries in logs.
+ config.active_record.verbose_query_logs = true
+
+ # Highlight code that enqueued background job in logs.
+ config.active_job.verbose_enqueue_logs = true
+
+ # Raises error for missing translations.
+ # config.i18n.raise_on_missing_translations = true
+
+ # Annotate rendered view with file names.
+ # config.action_view.annotate_rendered_view_with_filenames = true
+
+ # Uncomment if you wish to allow Action Cable access from any origin.
+ # config.action_cable.disable_request_forgery_protection = true
+
+ # Raise error when a before_action's only/except options reference missing actions
+ config.action_controller.raise_on_missing_callback_actions = true
+end
diff --git a/serverside_challenge_1/challenges/ryuichi_ueda/config/environments/production.rb b/serverside_challenge_1/challenges/ryuichi_ueda/config/environments/production.rb
new file mode 100644
index 000000000..56862e9b2
--- /dev/null
+++ b/serverside_challenge_1/challenges/ryuichi_ueda/config/environments/production.rb
@@ -0,0 +1,92 @@
+# frozen_string_literal: true
+
+require 'active_support/core_ext/integer/time'
+
+Rails.application.configure do
+ # Settings specified here will take precedence over those in config/application.rb.
+
+ # Code is not reloaded between requests.
+ config.enable_reloading = false
+
+ # Eager load code on boot. This eager loads most of Rails and
+ # your application in memory, allowing both threaded web servers
+ # and those relying on copy on write to perform better.
+ # Rake tasks automatically ignore this option for performance.
+ config.eager_load = true
+
+ # Full error reports are disabled and caching is turned on.
+ config.consider_all_requests_local = false
+
+ # Ensures that a master key has been made available in ENV["RAILS_MASTER_KEY"], config/master.key, or an environment
+ # key such as config/credentials/production.key. This key is used to decrypt credentials (and other encrypted files).
+ # config.require_master_key = true
+
+ # Disable serving static files from `public/`, relying on NGINX/Apache to do so instead.
+ # config.public_file_server.enabled = false
+
+ # Enable serving of images, stylesheets, and JavaScripts from an asset server.
+ # config.asset_host = "http://assets.example.com"
+
+ # Specifies the header that your server uses for sending files.
+ # config.action_dispatch.x_sendfile_header = "X-Sendfile" # for Apache
+ # config.action_dispatch.x_sendfile_header = "X-Accel-Redirect" # for NGINX
+
+ # Store uploaded files on the local file system (see config/storage.yml for options).
+ config.active_storage.service = :local
+
+ # Mount Action Cable outside main process or domain.
+ # config.action_cable.mount_path = nil
+ # config.action_cable.url = "wss://example.com/cable"
+ # config.action_cable.allowed_request_origins = [ "http://example.com", /http:\/\/example.*/ ]
+
+ # Assume all access to the app is happening through a SSL-terminating reverse proxy.
+ # Can be used together with config.force_ssl for Strict-Transport-Security and secure cookies.
+ # config.assume_ssl = true
+
+ # Force all access to the app over SSL, use Strict-Transport-Security, and use secure cookies.
+ config.force_ssl = true
+
+ # Log to STDOUT by default
+ config.logger = ActiveSupport::Logger.new($stdout)
+ .tap { |logger| logger.formatter = Logger::Formatter.new }
+ .then { |logger| ActiveSupport::TaggedLogging.new(logger) }
+
+ # Prepend all log lines with the following tags.
+ config.log_tags = [:request_id]
+
+ # Info include generic and useful information about system operation, but avoids logging too much
+ # information to avoid inadvertent exposure of personally identifiable information (PII). If you
+ # want to log everything, set the level to "debug".
+ config.log_level = ENV.fetch('RAILS_LOG_LEVEL', 'info')
+
+ # Use a different cache store in production.
+ # config.cache_store = :mem_cache_store
+
+ # Use a real queuing backend for Active Job (and separate queues per environment).
+ # config.active_job.queue_adapter = :resque
+ # config.active_job.queue_name_prefix = "ryuichi_ueda_production"
+
+ config.action_mailer.perform_caching = false
+
+ # 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.
+ # config.action_mailer.raise_delivery_errors = false
+
+ # Enable locale fallbacks for I18n (makes lookups for any locale fall back to
+ # the I18n.default_locale when a translation cannot be found).
+ config.i18n.fallbacks = true
+
+ # Don't log any deprecations.
+ config.active_support.report_deprecations = false
+
+ # Do not dump schema after migrations.
+ config.active_record.dump_schema_after_migration = false
+
+ # Enable DNS rebinding protection and other `Host` header attacks.
+ # config.hosts = [
+ # "example.com", # Allow requests from example.com
+ # /.*\.example\.com/ # Allow requests from subdomains like `www.example.com`
+ # ]
+ # Skip DNS rebinding protection for the default health check endpoint.
+ # config.host_authorization = { exclude: ->(request) { request.path == "/up" } }
+end
diff --git a/serverside_challenge_1/challenges/ryuichi_ueda/config/environments/test.rb b/serverside_challenge_1/challenges/ryuichi_ueda/config/environments/test.rb
new file mode 100644
index 000000000..f1d2fb50c
--- /dev/null
+++ b/serverside_challenge_1/challenges/ryuichi_ueda/config/environments/test.rb
@@ -0,0 +1,66 @@
+# frozen_string_literal: true
+
+require 'active_support/core_ext/integer/time'
+
+# The test environment is used exclusively to run your application's
+# test suite. You never need to work with it otherwise. Remember that
+# your test database is "scratch space" for the test suite and is wiped
+# and recreated between test runs. Don't rely on the data there!
+
+Rails.application.configure do
+ # Settings specified here will take precedence over those in config/application.rb.
+
+ # While tests run files are not watched, reloading is not necessary.
+ config.enable_reloading = false
+
+ # Eager loading loads your entire application. When running a single test locally,
+ # this is usually not necessary, and can slow down your test suite. However, it's
+ # recommended that you enable it in continuous integration systems to ensure eager
+ # loading is working properly before deploying your code.
+ config.eager_load = ENV['CI'].present?
+
+ # Configure public file server for tests with Cache-Control for performance.
+ config.public_file_server.enabled = true
+ config.public_file_server.headers = {
+ 'Cache-Control' => "public, max-age=#{1.hour.to_i}"
+ }
+
+ # Show full error reports and disable caching.
+ config.consider_all_requests_local = true
+ config.action_controller.perform_caching = false
+ config.cache_store = :null_store
+
+ # Render exception templates for rescuable exceptions and raise for other exceptions.
+ config.action_dispatch.show_exceptions = :rescuable
+
+ # Disable request forgery protection in test environment.
+ config.action_controller.allow_forgery_protection = false
+
+ # Store uploaded files on the local file system in a temporary directory.
+ config.active_storage.service = :test
+
+ config.action_mailer.perform_caching = false
+
+ # Tell Action Mailer not to deliver emails to the real world.
+ # The :test delivery method accumulates sent emails in the
+ # ActionMailer::Base.deliveries array.
+ config.action_mailer.delivery_method = :test
+
+ # Print deprecation notices to the stderr.
+ config.active_support.deprecation = :stderr
+
+ # Raise exceptions for disallowed deprecations.
+ config.active_support.disallowed_deprecation = :raise
+
+ # Tell Active Support which deprecation messages to disallow.
+ config.active_support.disallowed_deprecation_warnings = []
+
+ # Raises error for missing translations.
+ # config.i18n.raise_on_missing_translations = true
+
+ # Annotate rendered view with file names.
+ # config.action_view.annotate_rendered_view_with_filenames = true
+
+ # Raise error when a before_action's only/except options reference missing actions
+ config.action_controller.raise_on_missing_callback_actions = true
+end
diff --git a/serverside_challenge_1/challenges/ryuichi_ueda/config/initializers/cors.rb b/serverside_challenge_1/challenges/ryuichi_ueda/config/initializers/cors.rb
new file mode 100644
index 000000000..ce5b71a85
--- /dev/null
+++ b/serverside_challenge_1/challenges/ryuichi_ueda/config/initializers/cors.rb
@@ -0,0 +1,17 @@
+# frozen_string_literal: true
+# Be sure to restart your server when you modify this file.
+
+# Avoid CORS issues when API is called from the frontend app.
+# Handle Cross-Origin Resource Sharing (CORS) in order to accept cross-origin Ajax requests.
+
+# Read more: https://github.com/cyu/rack-cors
+
+# Rails.application.config.middleware.insert_before 0, Rack::Cors do
+# allow do
+# origins "example.com"
+#
+# resource "*",
+# headers: :any,
+# methods: [:get, :post, :put, :patch, :delete, :options, :head]
+# end
+# end
diff --git a/serverside_challenge_1/challenges/ryuichi_ueda/config/initializers/filter_parameter_logging.rb b/serverside_challenge_1/challenges/ryuichi_ueda/config/initializers/filter_parameter_logging.rb
new file mode 100644
index 000000000..c416e6a62
--- /dev/null
+++ b/serverside_challenge_1/challenges/ryuichi_ueda/config/initializers/filter_parameter_logging.rb
@@ -0,0 +1,10 @@
+# frozen_string_literal: true
+
+# Be sure to restart your server when you modify this file.
+
+# Configure parameters to be partially matched (e.g. passw matches password) and filtered from the log file.
+# Use this to limit dissemination of sensitive information.
+# See the ActiveSupport::ParameterFilter documentation for supported notations and behaviors.
+Rails.application.config.filter_parameters += %i[
+ passw secret token _key crypt salt certificate otp ssn
+]
diff --git a/serverside_challenge_1/challenges/ryuichi_ueda/config/initializers/inflections.rb b/serverside_challenge_1/challenges/ryuichi_ueda/config/initializers/inflections.rb
new file mode 100644
index 000000000..6c78420e7
--- /dev/null
+++ b/serverside_challenge_1/challenges/ryuichi_ueda/config/initializers/inflections.rb
@@ -0,0 +1,17 @@
+# frozen_string_literal: true
+# Be sure to restart your server when you modify this file.
+
+# Add new inflection rules using the following format. Inflections
+# are locale specific, and you may define rules for as many different
+# locales as you wish. All of these examples are active by default:
+# ActiveSupport::Inflector.inflections(:en) do |inflect|
+# inflect.plural /^(ox)$/i, "\\1en"
+# inflect.singular /^(ox)en/i, "\\1"
+# inflect.irregular "person", "people"
+# inflect.uncountable %w( fish sheep )
+# end
+
+# These inflection rules are supported but not enabled by default:
+# ActiveSupport::Inflector.inflections(:en) do |inflect|
+# inflect.acronym "RESTful"
+# end
diff --git a/serverside_challenge_1/challenges/ryuichi_ueda/config/locales/en.yml b/serverside_challenge_1/challenges/ryuichi_ueda/config/locales/en.yml
new file mode 100644
index 000000000..6c349ae5e
--- /dev/null
+++ b/serverside_challenge_1/challenges/ryuichi_ueda/config/locales/en.yml
@@ -0,0 +1,31 @@
+# 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"
diff --git a/serverside_challenge_1/challenges/ryuichi_ueda/config/locales/ja.yml b/serverside_challenge_1/challenges/ryuichi_ueda/config/locales/ja.yml
new file mode 100644
index 000000000..2d4215b3b
--- /dev/null
+++ b/serverside_challenge_1/challenges/ryuichi_ueda/config/locales/ja.yml
@@ -0,0 +1,6 @@
+ja:
+ activemodel:
+ attributes:
+ validator:
+ ampere: "アンペア"
+ usage: "使用量"
diff --git a/serverside_challenge_1/challenges/ryuichi_ueda/config/puma.rb b/serverside_challenge_1/challenges/ryuichi_ueda/config/puma.rb
new file mode 100644
index 000000000..7ed41574c
--- /dev/null
+++ b/serverside_challenge_1/challenges/ryuichi_ueda/config/puma.rb
@@ -0,0 +1,37 @@
+# frozen_string_literal: true
+
+# This configuration file will be evaluated by Puma. The top-level methods that
+# are invoked here are part of Puma's configuration DSL. For more information
+# about methods provided by the DSL, see https://puma.io/puma/Puma/DSL.html.
+
+# Puma can serve each request in a thread from an internal thread pool.
+# The `threads` method setting takes two numbers: a minimum and maximum.
+# Any libraries that use thread pools should be configured to match
+# the maximum value specified for Puma. Default is set to 5 threads for minimum
+# and maximum; this matches the default thread size of Active Record.
+max_threads_count = ENV.fetch('RAILS_MAX_THREADS', 5)
+min_threads_count = ENV.fetch('RAILS_MIN_THREADS') { max_threads_count }
+threads min_threads_count, max_threads_count
+
+# Specifies that the worker count should equal the number of processors in production.
+if ENV['RAILS_ENV'] == 'production'
+ require 'concurrent-ruby'
+ worker_count = Integer(ENV.fetch('WEB_CONCURRENCY') { Concurrent.physical_processor_count })
+ workers worker_count if worker_count > 1
+end
+
+# Specifies the `worker_timeout` threshold that Puma will use to wait before
+# terminating a worker in development environments.
+worker_timeout 3600 if ENV.fetch('RAILS_ENV', 'development') == 'development'
+
+# Specifies the `port` that Puma will listen on to receive requests; default is 3000.
+port ENV.fetch('PORT', 3000)
+
+# Specifies the `environment` that Puma will run in.
+environment ENV.fetch('RAILS_ENV', 'development')
+
+# Specifies the `pidfile` that Puma will use.
+pidfile ENV.fetch('PIDFILE', 'tmp/pids/server.pid')
+
+# Allow puma to be restarted by `bin/rails restart` command.
+plugin :tmp_restart
diff --git a/serverside_challenge_1/challenges/ryuichi_ueda/config/routes.rb b/serverside_challenge_1/challenges/ryuichi_ueda/config/routes.rb
new file mode 100644
index 000000000..c2c758261
--- /dev/null
+++ b/serverside_challenge_1/challenges/ryuichi_ueda/config/routes.rb
@@ -0,0 +1,18 @@
+# frozen_string_literal: true
+
+Rails.application.routes.draw do
+ # Define your application routes per the DSL in https://guides.rubyonrails.org/routing.html
+
+ # Reveal health status on /up that returns 200 if the app boots with no exceptions, otherwise 500.
+ # Can be used by load balancers and uptime monitors to verify that the app is live.
+ get 'up' => 'rails/health#show', as: :rails_health_check
+
+ # Defines the root path route ("/")
+ # root "posts#index"
+ namespace :api do
+ namespace :v1 do
+ get 'plans/all/:ampere/:usage', to: 'plans#list'
+ end
+ end
+ match '*path', to: 'application#route_not_found', via: :all
+end
diff --git a/serverside_challenge_1/challenges/ryuichi_ueda/config/storage.yml b/serverside_challenge_1/challenges/ryuichi_ueda/config/storage.yml
new file mode 100644
index 000000000..4942ab669
--- /dev/null
+++ b/serverside_challenge_1/challenges/ryuichi_ueda/config/storage.yml
@@ -0,0 +1,34 @@
+test:
+ service: Disk
+ root: <%= Rails.root.join("tmp/storage") %>
+
+local:
+ service: Disk
+ root: <%= Rails.root.join("storage") %>
+
+# Use bin/rails credentials:edit to set the AWS secrets (as aws:access_key_id|secret_access_key)
+# amazon:
+# service: S3
+# access_key_id: <%= Rails.application.credentials.dig(:aws, :access_key_id) %>
+# secret_access_key: <%= Rails.application.credentials.dig(:aws, :secret_access_key) %>
+# region: us-east-1
+# bucket: your_own_bucket-<%= Rails.env %>
+
+# Remember not to checkin your GCS keyfile to a repository
+# google:
+# service: GCS
+# project: your_project
+# credentials: <%= Rails.root.join("path/to/gcs.keyfile") %>
+# bucket: your_own_bucket-<%= Rails.env %>
+
+# Use bin/rails credentials:edit to set the Azure Storage secret (as azure_storage:storage_access_key)
+# microsoft:
+# service: AzureStorage
+# storage_account_name: your_account_name
+# storage_access_key: <%= Rails.application.credentials.dig(:azure_storage, :storage_access_key) %>
+# container: your_container_name-<%= Rails.env %>
+
+# mirror:
+# service: Mirror
+# primary: local
+# mirrors: [ amazon, google, microsoft ]
diff --git a/serverside_challenge_1/challenges/ryuichi_ueda/db/seeds.rb b/serverside_challenge_1/challenges/ryuichi_ueda/db/seeds.rb
new file mode 100644
index 000000000..07b11e827
--- /dev/null
+++ b/serverside_challenge_1/challenges/ryuichi_ueda/db/seeds.rb
@@ -0,0 +1,10 @@
+# frozen_string_literal: true
+# This file should ensure the existence of records required to run the application in every environment (production,
+# development, test). The code here should be idempotent so that it can be executed at any point in every environment.
+# The data can then be loaded with the bin/rails db:seed command (or created alongside the database with db:setup).
+#
+# Example:
+#
+# ["Action", "Comedy", "Drama", "Horror"].each do |genre_name|
+# MovieGenre.find_or_create_by!(name: genre_name)
+# end
diff --git a/serverside_challenge_1/challenges/ryuichi_ueda/lib/data/charge_list.yml b/serverside_challenge_1/challenges/ryuichi_ueda/lib/data/charge_list.yml
new file mode 100644
index 000000000..2a676fdb8
--- /dev/null
+++ b/serverside_challenge_1/challenges/ryuichi_ueda/lib/data/charge_list.yml
@@ -0,0 +1,56 @@
+providers:
+ "東京電力エナジーパートナー":
+ plan: "従量電灯B"
+ basic_charges:
+ 10: 286.00
+ 15: 429.00
+ 20: 572.00
+ 30: 858.00
+ 40: 1144.00
+ 50: 1430.00
+ 60: 1716.00
+ tiers:
+ 140: 23.67
+ 210: 23.88
+ .inf: 26.41
+ "Loopでんき":
+ plan: "おうちプラン"
+ basic_charges:
+ 10: 0.00
+ 15: 0.00
+ 20: 0.00
+ 30: 0.00
+ 40: 0.00
+ 50: 0.00
+ 60: 0.00
+ tiers:
+ .inf: 26.40
+ "東京ガス株式会社":
+ plan: "ずっとも電気1"
+ basic_charges:
+ 10: null
+ 15: null
+ 20: null
+ 30: 858.00
+ 40: 1144.00
+ 50: 1430.00
+ 60: 1716.00
+ tiers:
+ 140: 23.67
+ 210: 23.88
+ .inf: 26.41
+ "JXTGでんき":
+ plan: "従量電灯Bたっぷりプラン"
+ basic_charges:
+ 10: null
+ 15: null
+ 20: null
+ 30: 858.00
+ 40: 1144.00
+ 50: 1430.00
+ 60: 1716.80
+ tiers:
+ 120: 19.88
+ 180: 26.48
+ 300: 25.08
+ .inf: 26.15
\ No newline at end of file
diff --git a/serverside_challenge_1/challenges/ryuichi_ueda/lib/tasks/.keep b/serverside_challenge_1/challenges/ryuichi_ueda/lib/tasks/.keep
new file mode 100644
index 000000000..e69de29bb
diff --git a/serverside_challenge_1/challenges/ryuichi_ueda/log/.keep b/serverside_challenge_1/challenges/ryuichi_ueda/log/.keep
new file mode 100644
index 000000000..e69de29bb
diff --git a/serverside_challenge_1/challenges/ryuichi_ueda/public/robots.txt b/serverside_challenge_1/challenges/ryuichi_ueda/public/robots.txt
new file mode 100644
index 000000000..c19f78ab6
--- /dev/null
+++ b/serverside_challenge_1/challenges/ryuichi_ueda/public/robots.txt
@@ -0,0 +1 @@
+# See https://www.robotstxt.org/robotstxt.html for documentation on how to use the robots.txt file
diff --git a/serverside_challenge_1/challenges/ryuichi_ueda/spec/controllers/api/v1/plans_controller_spec.rb b/serverside_challenge_1/challenges/ryuichi_ueda/spec/controllers/api/v1/plans_controller_spec.rb
new file mode 100644
index 000000000..fe615453a
--- /dev/null
+++ b/serverside_challenge_1/challenges/ryuichi_ueda/spec/controllers/api/v1/plans_controller_spec.rb
@@ -0,0 +1,47 @@
+# frozen_string_literal: true
+
+require 'rails_helper'
+
+RSpec.describe Api::V1::PlansController, type: :controller do
+ describe 'GET #list' do
+ let(:ampere) { 30 }
+ let(:usage) { 300 }
+ let(:totals) { { tokyo_electric: 7993, loop: 7920 } }
+ let(:providers_info) { { tokyo_electric: { '東京電力エナジーパートナー' => '従量電灯B' }, loop: { 'Loopでんき' => 'おうちプラン' } } }
+
+ before do
+ allow(ProviderService).to receive(:calculate).and_return(totals)
+ allow(ProviderService).to receive(:providers_info).and_return(providers_info)
+ end
+
+ context '有効なパラメータ' do
+ before { get :list, params: { ampere:, usage: } }
+
+ it 'ProviderServiceが有効なパラメータで呼び出される' do
+ expect(ProviderService).to have_received(:calculate).with(ampere, usage)
+ expect(ProviderService).to have_received(:providers_info).with(ampere)
+ end
+
+ it 'ステータスsuccessと適切なdataが返される' do
+ expect(response).to have_http_status(:ok)
+ expect(response.parsed_body).to eq(
+ 'status' => 'success',
+ 'message' => '料金情報の取得に成功しました。',
+ 'data' => [
+ { 'provider_name' => '東京電力エナジーパートナー', 'plan_name' => '従量電灯B', 'price' => 7993 },
+ { 'provider_name' => 'Loopでんき', 'plan_name' => 'おうちプラン', 'price' => 7920 }
+ ]
+ )
+ end
+ end
+
+ context '無効なパラメータ' do
+ before { get :list, params: { ampere: -1, usage: -1 } }
+
+ it 'ステータスunprocessable_entityでエラーが返される' do
+ expect(response).to have_http_status(:unprocessable_entity)
+ expect(response.parsed_body['status']).to eq('error')
+ end
+ end
+ end
+end
diff --git a/serverside_challenge_1/challenges/ryuichi_ueda/spec/models/electric_plan_spec.rb b/serverside_challenge_1/challenges/ryuichi_ueda/spec/models/electric_plan_spec.rb
new file mode 100644
index 000000000..00c1f3374
--- /dev/null
+++ b/serverside_challenge_1/challenges/ryuichi_ueda/spec/models/electric_plan_spec.rb
@@ -0,0 +1,41 @@
+# frozen_string_literal: true
+
+require 'rails_helper'
+
+RSpec.describe ElectricPlan do
+ let(:provider) { '東京電力エナジーパートナー' }
+ let(:plan) { '従量電灯B' }
+ let(:electric_plan) { ElectricPlan.new(provider, plan) }
+ let(:initialize_data) do
+ instance_double('InitializeChargePlan', provider:, plan: '従量電灯B', basic_charges: {
+ 10 => 286.00,
+ 15 => 429.00,
+ 20 => 572.00,
+ 30 => 858.00,
+ 40 => 1144.00,
+ 50 => 1430.00,
+ 60 => 1716.00
+ },
+ tiers: {
+ 140 => 23.67,
+ 210 => 23.88,
+ Float::INFINITY => 26.41
+ })
+ end
+
+ before do
+ allow(InitializeChargePlan).to receive(:new).with(provider, plan).and_return(initialize_data)
+ end
+
+ describe '#total_charge' do
+ it '正しい合計料金が計算される' do
+ expect(electric_plan.total_charge(30, 300)).to eq(7992)
+ end
+ end
+
+ describe '#provider_info' do
+ it 'プロバイダーに紐づくプランが返される' do
+ expect(electric_plan.provider_info).to eq({ provider => '従量電灯B' })
+ end
+ end
+end
diff --git a/serverside_challenge_1/challenges/ryuichi_ueda/spec/rails_helper.rb b/serverside_challenge_1/challenges/ryuichi_ueda/spec/rails_helper.rb
new file mode 100644
index 000000000..254658cb2
--- /dev/null
+++ b/serverside_challenge_1/challenges/ryuichi_ueda/spec/rails_helper.rb
@@ -0,0 +1,67 @@
+# frozen_string_literal: true
+
+# This file is copied to spec/ when you run 'rails generate rspec:install'
+require 'spec_helper'
+ENV['RAILS_ENV'] ||= 'test'
+require_relative '../config/environment'
+# Prevent database truncation if the environment is production
+abort('The Rails environment is running in production mode!') if Rails.env.production?
+require 'rspec/rails'
+# Add additional requires below this line. Rails is not loaded until this point!
+
+# Requires supporting ruby files with custom matchers and macros, etc, in
+# spec/support/ and its subdirectories. Files matching `spec/**/*_spec.rb` are
+# run as spec files by default. This means that files in spec/support that end
+# in _spec.rb will both be required and run as specs, causing the specs to be
+# run twice. It is recommended that you do not name files matching this glob to
+# end with _spec.rb. You can configure this pattern with the --pattern
+# option on the command line or in ~/.rspec, .rspec or `.rspec-local`.
+#
+# The following line is provided for convenience purposes. It has the downside
+# of increasing the boot-up time by auto-requiring all files in the support
+# directory. Alternatively, in the individual `*_spec.rb` files, manually
+# require only the support files necessary.
+#
+# Rails.root.glob('spec/support/**/*.rb').sort.each { |f| require f }
+
+# Checks for pending migrations and applies them before tests are run.
+# If you are not using ActiveRecord, you can remove these lines.
+begin
+ ActiveRecord::Migration.maintain_test_schema!
+rescue ActiveRecord::PendingMigrationError => e
+ abort e.to_s.strip
+end
+RSpec.configure do |config|
+ # Remove this line if you're not using ActiveRecord or ActiveRecord fixtures
+ config.fixture_paths = [
+ Rails.root.join('spec/fixtures')
+ ]
+
+ # If you're not using ActiveRecord, or you'd prefer not to run each of your
+ # examples within a transaction, remove the following line or assign false
+ # instead of true.
+ config.use_transactional_fixtures = true
+
+ # You can uncomment this line to turn off ActiveRecord support entirely.
+ # config.use_active_record = false
+
+ # RSpec Rails can automatically mix in different behaviours to your tests
+ # based on their file location, for example enabling you to call `get` and
+ # `post` in specs under `spec/controllers`.
+ #
+ # You can disable this behaviour by removing the line below, and instead
+ # explicitly tag your specs with their type, e.g.:
+ #
+ # RSpec.describe UsersController, type: :controller do
+ # # ...
+ # end
+ #
+ # The different available types are documented in the features, such as in
+ # https://rspec.info/features/6-0/rspec-rails
+ config.infer_spec_type_from_file_location!
+
+ # Filter lines from Rails gems in backtraces.
+ config.filter_rails_from_backtrace!
+ # arbitrary gems may also be filtered via:
+ # config.filter_gems_from_backtrace("gem name")
+end
diff --git a/serverside_challenge_1/challenges/ryuichi_ueda/spec/routing/plans_routing_spec.rb b/serverside_challenge_1/challenges/ryuichi_ueda/spec/routing/plans_routing_spec.rb
new file mode 100644
index 000000000..72d51e711
--- /dev/null
+++ b/serverside_challenge_1/challenges/ryuichi_ueda/spec/routing/plans_routing_spec.rb
@@ -0,0 +1,22 @@
+# frozen_string_literal: true
+
+require 'rails_helper'
+
+RSpec.describe 'ルーティングテスト', type: :routing do
+ it 'ルーティング to plans#list' do
+ expect(get: 'api/v1/plans/all/10/100').to route_to(
+ controller: 'api/v1/plans',
+ action: 'list',
+ ampere: '10',
+ usage: '100'
+ )
+ end
+
+ it '無効なルーティングは route_not_found にリダイレクトされる' do
+ expect(get: 'api/v1/plans/undefined/10/100').to route_to(
+ controller: 'application',
+ action: 'route_not_found',
+ path: 'api/v1/plans/undefined/10/100'
+ )
+ end
+end
diff --git a/serverside_challenge_1/challenges/ryuichi_ueda/spec/services/initialize_charge_plan_spec.rb b/serverside_challenge_1/challenges/ryuichi_ueda/spec/services/initialize_charge_plan_spec.rb
new file mode 100644
index 000000000..5060013bc
--- /dev/null
+++ b/serverside_challenge_1/challenges/ryuichi_ueda/spec/services/initialize_charge_plan_spec.rb
@@ -0,0 +1,31 @@
+# frozen_string_literal: true
+
+require 'rails_helper'
+
+RSpec.describe InitializeChargePlan do
+ let(:provider) { '東京ガス株式会社' }
+ let(:plan) { 'ずっとも電気1' }
+
+ before do
+ allow(YAML).to receive(:load_file).and_call_original
+ InitializeChargePlan.instance_variable_set(:@providers_data_cache, nil)
+ end
+
+ subject(:initialize_data) { described_class.new(provider, plan) }
+
+ describe '#initialize' do
+ it 'YAML.load_fileが2度目以降はキャッシュを使う' do
+ InitializeChargePlan.load_providers
+ InitializeChargePlan.load_providers
+ expect(YAML).to have_received(:load_file).once
+ end
+
+ it 'プロバイダー情報が正確にロードされる' do
+ expect(initialize_data.provider).to eq(provider)
+ expect(initialize_data.plan).to eq('ずっとも電気1')
+ expect(initialize_data.basic_charges).to eq({ 10 => nil, 15 => nil, 20 => nil, 30 => 858.00, 40 => 1144.00,
+ 50 => 1430.00, 60 => 1716.00 })
+ expect(initialize_data.tiers).to eq(140 => 23.67, 210 => 23.88, Float::INFINITY => 26.41)
+ end
+ end
+end
diff --git a/serverside_challenge_1/challenges/ryuichi_ueda/spec/services/json_response_spec.rb b/serverside_challenge_1/challenges/ryuichi_ueda/spec/services/json_response_spec.rb
new file mode 100644
index 000000000..2bbc9e315
--- /dev/null
+++ b/serverside_challenge_1/challenges/ryuichi_ueda/spec/services/json_response_spec.rb
@@ -0,0 +1,45 @@
+# frozen_string_literal: true
+
+require 'rails_helper'
+
+RSpec.describe JsonResponse do
+ describe '.unprocessable_entity' do
+ let(:message) { 'エラーメッセージ' }
+
+ it '処理できないunprocessable_entityレスポンスを返す' do
+ response = JsonResponse.unprocessable_entity(message)
+
+ expect(response).to eq({
+ status: :unprocessable_entity,
+ json: {
+ status: 'error',
+ message:,
+ data: {}
+ }
+ })
+ end
+ end
+
+ describe '.ok' do
+ let(:generated_data) do
+ [{
+ provider_name: '東京電力エナジーパートナー',
+ plan_name: '従量電灯B',
+ price: 53_023
+ }]
+ end
+
+ it '正常なレスポンスを返す' do
+ response = JsonResponse.ok(generated_data)
+
+ expect(response).to eq({
+ status: :ok,
+ json: {
+ status: 'success',
+ message: '料金情報の取得に成功しました。',
+ data: generated_data
+ }
+ })
+ end
+ end
+end
diff --git a/serverside_challenge_1/challenges/ryuichi_ueda/spec/services/provider_service_spec.rb b/serverside_challenge_1/challenges/ryuichi_ueda/spec/services/provider_service_spec.rb
new file mode 100644
index 000000000..89fec0a15
--- /dev/null
+++ b/serverside_challenge_1/challenges/ryuichi_ueda/spec/services/provider_service_spec.rb
@@ -0,0 +1,41 @@
+# frozen_string_literal: true
+
+require 'rails_helper'
+
+RSpec.describe ProviderService do
+ let(:ampere_under_30) { 20 }
+ let(:ampere_over_30) { 40 }
+ let(:usage) { 100 }
+
+ describe '.calculate' do
+ context 'アンペア30未満の場合' do
+ it 'TokyoElectricとLoopの結果のみを返す' do
+ expect(ProviderService.calculate(ampere_under_30, usage)).to include('東京電力エナジーパートナー', 'Loopでんき')
+ expect(ProviderService.calculate(ampere_under_30, usage)).not_to include('東京ガス株式会社', 'JXTGでんき')
+ end
+ end
+
+ context 'アンペア30以上の場合' do
+ it '全プロバイダーの結果を返す' do
+ expect(ProviderService.calculate(ampere_over_30,
+ usage)).to include('東京電力エナジーパートナー', 'Loopでんき', '東京ガス株式会社', 'JXTGでんき')
+ end
+ end
+ end
+
+ describe '.providers_info' do
+ context 'アンペア30未満の場合' do
+ it 'TokyoElectricとLoopの結果のみを返す' do
+ expect(ProviderService.providers_info(ampere_under_30)).to include('東京電力エナジーパートナー', 'Loopでんき')
+ expect(ProviderService.providers_info(ampere_under_30)).not_to include('東京ガス株式会社', 'JXTGでんき')
+ end
+ end
+
+ context 'アンペア30以上の場合' do
+ it '全プロバイダーの結果を返す' do
+ expect(ProviderService.providers_info(ampere_over_30)).to include('東京電力エナジーパートナー', 'Loopでんき', '東京ガス株式会社',
+ 'JXTGでんき')
+ end
+ end
+ end
+end
diff --git a/serverside_challenge_1/challenges/ryuichi_ueda/spec/services/validator_spec.rb b/serverside_challenge_1/challenges/ryuichi_ueda/spec/services/validator_spec.rb
new file mode 100644
index 000000000..29a01429b
--- /dev/null
+++ b/serverside_challenge_1/challenges/ryuichi_ueda/spec/services/validator_spec.rb
@@ -0,0 +1,47 @@
+# frozen_string_literal: true
+
+require 'rails_helper'
+
+RSpec.describe Validator do
+ let(:valid_ampere) { Validator::VALID_AMPERES.first.to_s }
+ let(:invalid_ampere) { 'あ' }
+ let(:valid_usage) { '100' }
+ let(:invalid_usage) { '-10' }
+ let(:non_numeric_string) { 'abc' }
+
+ describe '#validate' do
+ context '有効なアンペアと使用量' do
+ subject { Validator.new(valid_ampere, valid_usage) }
+
+ it 'trueを返す' do
+ expect(subject.valid?).to be true
+ end
+ end
+
+ context '無効なアンペア（数字外の文字列を含む）' do
+ subject { Validator.new(non_numeric_string, valid_usage) }
+
+ it 'falseを返す' do
+ expect(subject.valid?).to be false
+ end
+
+ it 'エラーメッセージが適切' do
+ subject.valid?
+ expect(subject.errors[:ampere]).to include('は10,15,20,30,40,50,60のいずれかの整数でなければなりません。')
+ end
+ end
+
+ context '無効な使用量（数字外の文字列を含む）' do
+ subject { Validator.new(valid_ampere, non_numeric_string) }
+
+ it 'falseを返す' do
+ expect(subject.valid?).to be false
+ end
+
+ it 'エラーメッセージが適切' do
+ subject.valid?
+ expect(subject.errors[:usage]).to include('は0以上の整数でなければなりません。')
+ end
+ end
+ end
+end
diff --git a/serverside_challenge_1/challenges/ryuichi_ueda/spec/spec_helper.rb b/serverside_challenge_1/challenges/ryuichi_ueda/spec/spec_helper.rb
new file mode 100644
index 000000000..409c64b6c
--- /dev/null
+++ b/serverside_challenge_1/challenges/ryuichi_ueda/spec/spec_helper.rb
@@ -0,0 +1,94 @@
+# frozen_string_literal: true
+
+# This file was generated by the `rails generate rspec:install` command. Conventionally, all
+# specs live under a `spec` directory, which RSpec adds to the `$LOAD_PATH`.
+# The generated `.rspec` file contains `--require spec_helper` which will cause
+# this file to always be loaded, without a need to explicitly require it in any
+# files.
+#
+# Given that it is always loaded, you are encouraged to keep this file as
+# light-weight as possible. Requiring heavyweight dependencies from this file
+# will add to the boot time of your test suite on EVERY test run, even for an
+# individual file that may not need all of that loaded. Instead, consider making
+# a separate helper file that requires the additional dependencies and performs
+# the additional setup, and require it from the spec files that actually need
+# it.
+#
+# See https://rubydoc.info/gems/rspec-core/RSpec/Core/Configuration
+RSpec.configure do |config|
+ # rspec-expectations config goes here. You can use an alternate
+ # assertion/expectation library such as wrong or the stdlib/minitest
+ # assertions if you prefer.
+ config.expect_with :rspec do |expectations|
+ # This option will default to `true` in RSpec 4. It makes the `description`
+ # and `failure_message` of custom matchers include text for helper methods
+ # defined using `chain`, e.g.:
+ # be_bigger_than(2).and_smaller_than(4).description
+ # # => "be bigger than 2 and smaller than 4"
+ # ...rather than:
+ # # => "be bigger than 2"
+ expectations.include_chain_clauses_in_custom_matcher_descriptions = true
+ end
+
+ # rspec-mocks config goes here. You can use an alternate test double
+ # library (such as bogus or mocha) by changing the `mock_with` option here.
+ config.mock_with :rspec do |mocks|
+ # Prevents you from mocking or stubbing a method that does not exist on
+ # a real object. This is generally recommended, and will default to
+ # `true` in RSpec 4.
+ mocks.verify_partial_doubles = true
+ end
+
+ # This option will default to `:apply_to_host_groups` in RSpec 4 (and will
+ # have no way to turn it off -- the option exists only for backwards
+ # compatibility in RSpec 3). It causes shared context metadata to be
+ # inherited by the metadata hash of host groups and examples, rather than
+ # triggering implicit auto-inclusion in groups with matching metadata.
+ config.shared_context_metadata_behavior = :apply_to_host_groups
+
+ # The settings below are suggested to provide a good initial experience
+ # with RSpec, but feel free to customize to your heart's content.
+ # # This allows you to limit a spec run to individual examples or groups
+ # # you care about by tagging them with `:focus` metadata. When nothing
+ # # is tagged with `:focus`, all examples get run. RSpec also provides
+ # # aliases for `it`, `describe`, and `context` that include `:focus`
+ # # metadata: `fit`, `fdescribe` and `fcontext`, respectively.
+ # config.filter_run_when_matching :focus
+ #
+ # # Allows RSpec to persist some state between runs in order to support
+ # # the `--only-failures` and `--next-failure` CLI options. We recommend
+ # # you configure your source control system to ignore this file.
+ # config.example_status_persistence_file_path = "spec/examples.txt"
+ #
+ # # Limits the available syntax to the non-monkey patched syntax that is
+ # # recommended. For more details, see:
+ # # https://rspec.info/features/3-12/rspec-core/configuration/zero-monkey-patching-mode/
+ # config.disable_monkey_patching!
+ #
+ # # Many RSpec users commonly either run the entire suite or an individual
+ # # file, and it's useful to allow more verbose output when running an
+ # # individual spec file.
+ # if config.files_to_run.one?
+ # # Use the documentation formatter for detailed output,
+ # # unless a formatter has already been configured
+ # # (e.g. via a command-line flag).
+ # config.default_formatter = "doc"
+ # end
+ #
+ # # Print the 10 slowest examples and example groups at the
+ # # end of the spec run, to help surface which specs are running
+ # # particularly slow.
+ # config.profile_examples = 10
+ #
+ # # Run specs in random order to surface order dependencies. If you find an
+ # # order dependency and want to debug it, you can fix the order by providing
+ # # the seed, which is printed after each run.
+ # # --seed 1234
+ # config.order = :random
+ #
+ # # Seed global randomization in this process using the `--seed` CLI option.
+ # # Setting this allows you to use `--seed` to deterministically reproduce
+ # # test failures related to randomization by passing the same `--seed` value
+ # # as the one that triggered the failure.
+ # Kernel.srand config.seed
+end
diff --git a/serverside_challenge_1/challenges/ryuichi_ueda/storage/.keep b/serverside_challenge_1/challenges/ryuichi_ueda/storage/.keep
new file mode 100644
index 000000000..e69de29bb
diff --git a/serverside_challenge_1/challenges/ryuichi_ueda/test/channels/application_cable/connection_test.rb b/serverside_challenge_1/challenges/ryuichi_ueda/test/channels/application_cable/connection_test.rb
new file mode 100644
index 000000000..4aee9b335
--- /dev/null
+++ b/serverside_challenge_1/challenges/ryuichi_ueda/test/channels/application_cable/connection_test.rb
@@ -0,0 +1,15 @@
+# frozen_string_literal: true
+
+require 'test_helper'
+
+module ApplicationCable
+ class ConnectionTest < ActionCable::Connection::TestCase
+ # test "connects with cookies" do
+ # cookies.signed[:user_id] = 42
+ #
+ # connect
+ #
+ # assert_equal connection.user_id, "42"
+ # end
+ end
+end
diff --git a/serverside_challenge_1/challenges/ryuichi_ueda/test/controllers/.keep b/serverside_challenge_1/challenges/ryuichi_ueda/test/controllers/.keep
new file mode 100644
index 000000000..e69de29bb
diff --git a/serverside_challenge_1/challenges/ryuichi_ueda/test/fixtures/files/.keep b/serverside_challenge_1/challenges/ryuichi_ueda/test/fixtures/files/.keep
new file mode 100644
index 000000000..e69de29bb
diff --git a/serverside_challenge_1/challenges/ryuichi_ueda/test/integration/.keep b/serverside_challenge_1/challenges/ryuichi_ueda/test/integration/.keep
new file mode 100644
index 000000000..e69de29bb
diff --git a/serverside_challenge_1/challenges/ryuichi_ueda/test/mailers/.keep b/serverside_challenge_1/challenges/ryuichi_ueda/test/mailers/.keep
new file mode 100644
index 000000000..e69de29bb
diff --git a/serverside_challenge_1/challenges/ryuichi_ueda/test/models/.keep b/serverside_challenge_1/challenges/ryuichi_ueda/test/models/.keep
new file mode 100644
index 000000000..e69de29bb
diff --git a/serverside_challenge_1/challenges/ryuichi_ueda/test/test_helper.rb b/serverside_challenge_1/challenges/ryuichi_ueda/test/test_helper.rb
new file mode 100644
index 000000000..0c92e8e88
--- /dev/null
+++ b/serverside_challenge_1/challenges/ryuichi_ueda/test/test_helper.rb
@@ -0,0 +1,17 @@
+# frozen_string_literal: true
+
+ENV['RAILS_ENV'] ||= 'test'
+require_relative '../config/environment'
+require 'rails/test_help'
+
+module ActiveSupport
+ class TestCase
+ # Run tests in parallel with specified workers
+ parallelize(workers: :number_of_processors)
+
+ # Setup all fixtures in test/fixtures/*.yml for all tests in alphabetical order.
+ fixtures :all
+
+ # Add more helper methods to be used by all tests here...
+ end
+end
diff --git a/serverside_challenge_1/challenges/ryuichi_ueda/tmp/.keep b/serverside_challenge_1/challenges/ryuichi_ueda/tmp/.keep
new file mode 100644
index 000000000..e69de29bb
diff --git a/serverside_challenge_1/challenges/ryuichi_ueda/tmp/pids/.keep b/serverside_challenge_1/challenges/ryuichi_ueda/tmp/pids/.keep
new file mode 100644
index 000000000..e69de29bb
diff --git a/serverside_challenge_1/challenges/ryuichi_ueda/tmp/storage/.keep b/serverside_challenge_1/challenges/ryuichi_ueda/tmp/storage/.keep
new file mode 100644
index 000000000..e69de29bb
diff --git a/serverside_challenge_1/challenges/ryuichi_ueda/vendor/.keep b/serverside_challenge_1/challenges/ryuichi_ueda/vendor/.keep
new file mode 100644
index 000000000..e69de29bb