initial commit

Gemfile

+# frozen_string_literal: true
+
+source 'https://rubygems.org'
+git_source(:github) { |repo| "https://github.com/#{repo}.git" }
+
+ruby '2.6.3'
+
+gem 'rails', '~> 6.0.1'
+gem 'sassc-rails'
+
+gem 'bcrypt', '~> 3.1.7'
+gem 'bootsnap', '>= 1.4.2', require: false
+gem 'jbuilder', '~> 2.7'
+gem 'mdl_form', github: 'bjelline/rails-mdl-form'
+gem 'pg'
+gem 'puma', '~> 4.1'
+gem 'rswag-api'
+gem 'rswag-ui'
+gem 'turbolinks', '~> 5'
+gem 'webpacker', '~> 4.0'
+gem 'webpacker-react'
+
+group :development, :test do
+  gem 'byebug', platforms: %i[mri mingw x64_mingw]
+  gem 'rspec-rails', '= 4.0.0.beta3'
+  gem 'rswag-specs'
+end
+
+group :development do
+  gem 'listen', '>= 3.0.5', '< 3.2'
+  gem 'spring'
+  gem 'spring-watcher-listen', '~> 2.0.0'
+  gem 'web-console', '>= 3.3.0'
+end
+
+group :test do
+  gem 'capybara', '>= 2.15'
+  gem 'selenium-webdriver'
+  gem 'webdrivers'
+end
+
+# Windows does not include zoneinfo files, so bundle the tzinfo-data gem
+gem 'tzinfo-data', platforms: %i[mingw mswin x64_mingw jruby]

Gemfile.lock

+GIT
+  remote: https://github.com/bjelline/rails-mdl-form.git
+  revision: c4ed6771a0a66f1dd48f7df065267dbb38edd609
+  specs:
+    mdl_form (0.1.5)
+
+GEM
+  remote: https://rubygems.org/
+  specs:
+    actioncable (6.0.2.1)
+      actionpack (= 6.0.2.1)
+      nio4r (~> 2.0)
+      websocket-driver (>= 0.6.1)
+    actionmailbox (6.0.2.1)
+      actionpack (= 6.0.2.1)
+      activejob (= 6.0.2.1)
+      activerecord (= 6.0.2.1)
+      activestorage (= 6.0.2.1)
+      activesupport (= 6.0.2.1)
+      mail (>= 2.7.1)
+    actionmailer (6.0.2.1)
+      actionpack (= 6.0.2.1)
+      actionview (= 6.0.2.1)
+      activejob (= 6.0.2.1)
+      mail (~> 2.5, >= 2.5.4)
+      rails-dom-testing (~> 2.0)
+    actionpack (6.0.2.1)
+      actionview (= 6.0.2.1)
+      activesupport (= 6.0.2.1)
+      rack (~> 2.0, >= 2.0.8)
+      rack-test (>= 0.6.3)
+      rails-dom-testing (~> 2.0)
+      rails-html-sanitizer (~> 1.0, >= 1.2.0)
+    actiontext (6.0.2.1)
+      actionpack (= 6.0.2.1)
+      activerecord (= 6.0.2.1)
+      activestorage (= 6.0.2.1)
+      activesupport (= 6.0.2.1)
+      nokogiri (>= 1.8.5)
+    actionview (6.0.2.1)
+      activesupport (= 6.0.2.1)
+      builder (~> 3.1)
+      erubi (~> 1.4)
+      rails-dom-testing (~> 2.0)
+      rails-html-sanitizer (~> 1.1, >= 1.2.0)
+    activejob (6.0.2.1)
+      activesupport (= 6.0.2.1)
+      globalid (>= 0.3.6)
+    activemodel (6.0.2.1)
+      activesupport (= 6.0.2.1)
+    activerecord (6.0.2.1)
+      activemodel (= 6.0.2.1)
+      activesupport (= 6.0.2.1)
+    activestorage (6.0.2.1)
+      actionpack (= 6.0.2.1)
+      activejob (= 6.0.2.1)
+      activerecord (= 6.0.2.1)
+      marcel (~> 0.3.1)
+    activesupport (6.0.2.1)
+      concurrent-ruby (~> 1.0, >= 1.0.2)
+      i18n (>= 0.7, < 2)
+      minitest (~> 5.1)
+      tzinfo (~> 1.1)
+      zeitwerk (~> 2.2)
+    addressable (2.7.0)
+      public_suffix (>= 2.0.2, < 5.0)
+    bcrypt (3.1.13)
+    bindex (0.8.1)
+    bootsnap (1.4.5)
+      msgpack (~> 1.0)
+    builder (3.2.4)
+    byebug (11.1.1)
+    capybara (3.31.0)
+      addressable
+      mini_mime (>= 0.1.3)
+      nokogiri (~> 1.8)
+      rack (>= 1.6.0)
+      rack-test (>= 0.6.3)
+      regexp_parser (~> 1.5)
+      xpath (~> 3.2)
+    childprocess (3.0.0)
+    concurrent-ruby (1.1.6)
+    crass (1.0.6)
+    diff-lcs (1.3)
+    erubi (1.9.0)
+    ffi (1.12.2)
+    globalid (0.4.2)
+      activesupport (>= 4.2.0)
+    i18n (1.8.2)
+      concurrent-ruby (~> 1.0)
+    jbuilder (2.10.0)
+      activesupport (>= 5.0.0)
+    json-schema (2.8.1)
+      addressable (>= 2.4)
+    listen (3.1.5)
+      rb-fsevent (~> 0.9, >= 0.9.4)
+      rb-inotify (~> 0.9, >= 0.9.7)
+      ruby_dep (~> 1.2)
+    loofah (2.4.0)
+      crass (~> 1.0.2)
+      nokogiri (>= 1.5.9)
+    mail (2.7.1)
+      mini_mime (>= 0.1.1)
+    marcel (0.3.3)
+      mimemagic (~> 0.3.2)
+    method_source (0.9.2)
+    mimemagic (0.3.4)
+    mini_mime (1.0.2)
+    mini_portile2 (2.4.0)
+    minitest (5.14.0)
+    msgpack (1.3.3)
+    nio4r (2.5.2)
+    nokogiri (1.10.8)
+      mini_portile2 (~> 2.4.0)
+    pg (1.2.2)
+    public_suffix (4.0.3)
+    puma (4.3.1)
+      nio4r (~> 2.0)
+    rack (2.2.2)
+    rack-proxy (0.6.5)
+      rack
+    rack-test (1.1.0)
+      rack (>= 1.0, < 3)
+    rails (6.0.2.1)
+      actioncable (= 6.0.2.1)
+      actionmailbox (= 6.0.2.1)
+      actionmailer (= 6.0.2.1)
+      actionpack (= 6.0.2.1)
+      actiontext (= 6.0.2.1)
+      actionview (= 6.0.2.1)
+      activejob (= 6.0.2.1)
+      activemodel (= 6.0.2.1)
+      activerecord (= 6.0.2.1)
+      activestorage (= 6.0.2.1)
+      activesupport (= 6.0.2.1)
+      bundler (>= 1.3.0)
+      railties (= 6.0.2.1)
+      sprockets-rails (>= 2.0.0)
+    rails-dom-testing (2.0.3)
+      activesupport (>= 4.2.0)
+      nokogiri (>= 1.6)
+    rails-html-sanitizer (1.3.0)
+      loofah (~> 2.3)
+    railties (6.0.2.1)
+      actionpack (= 6.0.2.1)
+      activesupport (= 6.0.2.1)
+      method_source
+      rake (>= 0.8.7)
+      thor (>= 0.20.3, < 2.0)
+    rake (13.0.1)
+    rb-fsevent (0.10.3)
+    rb-inotify (0.10.1)
+      ffi (~> 1.0)
+    regexp_parser (1.6.0)
+    rspec-core (3.9.1)
+      rspec-support (~> 3.9.1)
+    rspec-expectations (3.9.0)
+      diff-lcs (>= 1.2.0, < 2.0)
+      rspec-support (~> 3.9.0)
+    rspec-mocks (3.9.1)
+      diff-lcs (>= 1.2.0, < 2.0)
+      rspec-support (~> 3.9.0)
+    rspec-rails (4.0.0.beta3)
+      actionpack (>= 4.2)
+      activesupport (>= 4.2)
+      railties (>= 4.2)
+      rspec-core (~> 3.8)
+      rspec-expectations (~> 3.8)
+      rspec-mocks (~> 3.8)
+      rspec-support (~> 3.8)
+    rspec-support (3.9.2)
+    rswag-api (2.2.0)
+      railties (>= 3.1, < 6.1)
+    rswag-specs (2.2.0)
+      activesupport (>= 3.1, < 6.1)
+      json-schema (~> 2.2)
+      railties (>= 3.1, < 6.1)
+    rswag-ui (2.2.0)
+      actionpack (>= 3.1, < 6.1)
+      railties (>= 3.1, < 6.1)
+    ruby_dep (1.5.0)
+    rubyzip (2.2.0)
+    sassc (2.2.1)
+      ffi (~> 1.9)
+    sassc-rails (2.1.2)
+      railties (>= 4.0.0)
+      sassc (>= 2.0)
+      sprockets (> 3.0)
+      sprockets-rails
+      tilt
+    selenium-webdriver (3.142.7)
+      childprocess (>= 0.5, < 4.0)
+      rubyzip (>= 1.2.2)
+    spring (2.1.0)
+    spring-watcher-listen (2.0.1)
+      listen (>= 2.7, < 4.0)
+      spring (>= 1.2, < 3.0)
+    sprockets (4.0.0)
+      concurrent-ruby (~> 1.0)
+      rack (> 1, < 3)
+    sprockets-rails (3.2.1)
+      actionpack (>= 4.0)
+      activesupport (>= 4.0)
+      sprockets (>= 3.0.0)
+    thor (1.0.1)
+    thread_safe (0.3.6)
+    tilt (2.0.10)
+    turbolinks (5.2.1)
+      turbolinks-source (~> 5.2)
+    turbolinks-source (5.2.0)
+    tzinfo (1.2.6)
+      thread_safe (~> 0.1)
+    web-console (4.0.1)
+      actionview (>= 6.0.0)
+      activemodel (>= 6.0.0)
+      bindex (>= 0.4.0)
+      railties (>= 6.0.0)
+    webdrivers (4.2.0)
+      nokogiri (~> 1.6)
+      rubyzip (>= 1.3.0)
+      selenium-webdriver (>= 3.0, < 4.0)
+    webpacker (4.2.2)
+      activesupport (>= 4.2)
+      rack-proxy (>= 0.6.1)
+      railties (>= 4.2)
+    webpacker-react (0.3.2)
+      webpacker
+    websocket-driver (0.7.1)
+      websocket-extensions (>= 0.1.0)
+    websocket-extensions (0.1.4)
+    xpath (3.2.0)
+      nokogiri (~> 1.8)
+    zeitwerk (2.2.2)
+
+PLATFORMS
+  ruby
+
+DEPENDENCIES
+  bcrypt (~> 3.1.7)
+  bootsnap (>= 1.4.2)
+  byebug
+  capybara (>= 2.15)
+  jbuilder (~> 2.7)
+  listen (>= 3.0.5, < 3.2)
+  mdl_form!
+  pg
+  puma (~> 4.1)
+  rails (~> 6.0.1)
+  rspec-rails (= 4.0.0.beta3)
+  rswag-api
+  rswag-specs
+  rswag-ui
+  sassc-rails
+  selenium-webdriver
+  spring
+  spring-watcher-listen (~> 2.0.0)
+  turbolinks (~> 5)
+  tzinfo-data
+  web-console (>= 3.3.0)
+  webdrivers
+  webpacker (~> 4.0)
+  webpacker-react
+
+RUBY VERSION
+   ruby 2.6.3p62
+
+BUNDLED WITH
+   2.1.4

Procfile.dev

+web: rails server
+webpacker:  ./bin/webpack-dev-server

README.md

-# backend_iou_kd
+# IOU - "I Owe You" - remember the money you owe to friends
 
+this little web app helps you keep track of money
+you lent friends or that they lent you.
+
+technically, it is a rails app with some react added.
+
+## Based on:
+
+- https://github.com/rails/webpacker/blob/master/docs/css.md
+- https://ericlondon.com/2018/03/18/rails-5-api-and-react-frontend-jwt-token-authentication.html
+-
+
+## Images Used under cc:
+
+https://www.flickr.com/photos/zoliblog/3198088960

Rakefile

+# 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/assets/config/manifest.js

+//= link_tree ../images
+//= link_directory ../stylesheets .css

app/assets/stylesheets/application.css

+/*
+ * This is a manifest file that'll be compiled into application.css, which will include all the files
+ * listed below.
+ *
+ * Any CSS and SCSS file within this directory, lib/assets/stylesheets, or any plugin's
+ * vendor/assets/stylesheets directory can be referenced here using a relative path.
+ *
+ * You're free to add application-wide styles to this file and they'll appear at the bottom of the
+ * compiled file so the styles you add here take precedence over styles defined in any other CSS/SCSS
+ * files in this directory. Styles in this file should be added after the last require_* statement.
+ * It is generally better to create a new file per style scope.
+ *
+ *= require_tree .
+ *= require_self
+ */

app/assets/stylesheets/money_transactions.css

+/*
+  Place all the styles related to the matching controller here.
+  They will automatically be included in application.css.
+*/

app/assets/stylesheets/scaffold.css

+body {
+  background-color: #fff;
+  color: #333;
+  margin: 33px;
+}
+
+body, p, ol, ul, td {
+  font-family: verdana, arial, helvetica, sans-serif;
+  font-size: 13px;
+  line-height: 18px;
+}
+
+pre {
+  background-color: #eee;
+  padding: 10px;
+  font-size: 11px;
+}
+
+a {
+  color: #000;
+}
+
+a:visited {
+  color: #666;
+}
+
+a:hover {
+  color: #fff;
+  background-color: #000;
+}
+
+th {
+  padding-bottom: 5px;
+}
+
+td {
+  padding: 0 5px 7px;
+}
+
+div.field,
+div.actions {
+  margin-bottom: 10px;
+}
+
+#notice {
+  color: green;
+}
+
+.field_with_errors {
+  padding: 2px;
+  background-color: red;
+  display: table;
+}
+
+#error_explanation {
+  width: 450px;
+  border: 2px solid red;
+  padding: 7px 7px 0;
+  margin-bottom: 20px;
+  background-color: #f0f0f0;
+}
+
+#error_explanation h2 {
+  text-align: left;
+  font-weight: bold;
+  padding: 5px 5px 5px 15px;
+  font-size: 12px;
+  margin: -7px -7px 0;
+  background-color: #c00;
+  color: #fff;
+}
+
+#error_explanation ul li {
+  font-size: 12px;
+  list-style: square;
+}
+
+label {
+  display: block;
+}

app/assets/stylesheets/static.scss

+// Place all the styles related to the static controller here.
+// They will automatically be included in application.css.
+// You can use Sass (SCSS) here: https://sass-lang.com/

app/channels/application_cable/channel.rb

+module ApplicationCable
+  class Channel < ActionCable::Channel::Base
+  end
+end

app/channels/application_cable/connection.rb

+module ApplicationCable
+  class Connection < ActionCable::Connection::Base
+  end
+end

app/controllers/application_controller.rb

+class ApplicationController < ActionController::Base
+end

app/controllers/money_transactions_controller.rb

+# frozen_string_literal: true
+
+class MoneyTransactionsController < ApplicationController
+  before_action :set_money_transaction, only: %i[show edit update destroy]
+
+  # GET /money_transactions
+  # GET /money_transactions.json
+  def index
+    @money_transactions = MoneyTransaction.all
+  end
+
+  # GET /money_transactions/1
+  # GET /money_transactions/1.json
+  def show; end
+
+  # GET /money_transactions/new
+  def new
+    @money_transaction = MoneyTransaction.new
+  end
+
+  # GET /money_transactions/1/edit
+  def edit; end
+
+  # POST /money_transactions
+  # POST /money_transactions.json
+  def create
+    @money_transaction = MoneyTransaction.new(money_transaction_params)
+
+    respond_to do |format|
+      if @money_transaction.save
+        format.html { redirect_to money_transactions_path, notice: 'Money transaction was successfully created.' }
+        format.json { render :show, status: :created, location: @money_transaction }
+      else
+        format.html { render :new }
+        format.json { render json: @money_transaction.errors, status: :unprocessable_entity }
+      end
+    end
+  end
+
+  # PATCH/PUT /money_transactions/1
+  # PATCH/PUT /money_transactions/1.json
+  def update
+    respond_to do |format|
+      Rails.logger.warn(money_transaction_params)
+      if @money_transaction.update(money_transaction_params)
+        format.html { redirect_to money_transactions_path, notice: 'Money transaction was successfully updated.' }
+        format.json { render :show, status: :ok, location: @money_transaction }
+      else
+        Rails.logger.warn(@money_transaction.errors.to_json)
+
+        format.html { render :edit }
+        format.json { render json: @money_transaction.errors, status: :unprocessable_entity }
+      end
+    end
+  end
+
+  # DELETE /money_transactions/1
+  # DELETE /money_transactions/1.json
+  def destroy
+    @money_transaction.destroy
+    respond_to do |format|
+      format.html { redirect_to money_transactions_url, notice: 'Money transaction was successfully destroyed.' }
+      format.json { head :no_content }
+    end
+  end
+
+  private
+
+  def set_money_transaction
+    @money_transaction = MoneyTransaction.find(params[:id])
+  end
+
+  def money_transaction_params
+    params.require(:money_transaction).permit(:creditor_id, :debitor_id, :amount, :paid_at)
+  end
+end

app/controllers/static_controller.rb

+# frozen_string_literal: true
+
+class StaticController < ApplicationController
+  def home; end
+
+  def help; end
+
+  def privacy; end
+end

app/controllers/users_controller.rb

+# frozen_string_literal: true
+
+class UsersController < ApplicationController
+  before_action :set_user, only: %i[show edit update destroy]
+
+  # GET /users
+  # GET /users.json
+  def index
+    @users = User.all
+  end
+
+  # GET /users/1
+  # GET /users/1.json
+  def show; end
+
+  # GET /users/new
+  def new
+    @user = User.new
+  end
+
+  # GET /users/1/edit
+  def edit; end
+
+  # POST /users
+  # POST /users.json
+  def create
+    @user = User.new(register_user_params)
+
+    respond_to do |format|
+      if @user.save
+        format.html { redirect_to @user, notice: 'User was successfully created.' }
+        format.json { render :show, status: :created, location: @user }
+      else
+        format.html { render :new }
+        format.json { render json: @user.errors, status: :unprocessable_entity }
+      end
+    end
+  end
+
+  # PATCH/PUT /users/1
+  # PATCH/PUT /users/1.json
+  def update
+    respond_to do |format|
+      if @user.update(user_params)
+        format.html { redirect_to users_path, notice: 'User was successfully updated.' }
+        format.json { render :show, status: :ok, location: @user }
+      else
+        format.html { render :edit }
+        format.json { render json: @user.errors, status: :unprocessable_entity }
+      end
+    end
+  end
+
+  # DELETE /users/1
+  # DELETE /users/1.json
+  def destroy
+    begin
+      @user.destroy
+    rescue ActiveRecord::RecordNotFound
+      respond_to do |format|
+        format.html { redirect_to users_url, notice: 'User not found.' }
+        format.json { render json: { "error": 'User not found' }, status: :not_found }
+      end
+      return
+    rescue ActiveRecord::InvalidForeignKey
+      respond_to do |format|
+        format.html { redirect_to users_url, notice: 'User cannot be deleted.' }
+        format.json { render json: { "error": 'User cannot be deleted' }, status: :forbidden }
+      end
+      return
+    rescue StandardError
+      raise
+    rescue Exception
+      raise
+    end
+