Create Boxes

Command line:
```
rails g scaffold box name:string description:text a_date:date a_datetime:datetime a_time:time
```

app/assets/stylesheets/boxes.scss

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

app/assets/stylesheets/scaffolds.scss

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+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/controllers/boxes_controller.rb

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+class BoxesController < ApplicationController
+  before_action :set_box, only: [:show, :edit, :update, :destroy]
+
+  # GET /boxes
+  # GET /boxes.json
+  def index
+    @boxes = Box.all
+  end
+
+  # GET /boxes/1
+  # GET /boxes/1.json
+  def show
+  end
+
+  # GET /boxes/new
+  def new
+    @box = Box.new
+  end
+
+  # GET /boxes/1/edit
+  def edit
+  end
+
+  # POST /boxes
+  # POST /boxes.json
+  def create
+    @box = Box.new(box_params)
+
+    respond_to do |format|
+      if @box.save
+        format.html { redirect_to @box, notice: 'Box was successfully created.' }
+        format.json { render :show, status: :created, location: @box }
+      else
+        format.html { render :new }
+        format.json { render json: @box.errors, status: :unprocessable_entity }
+      end
+    end
+  end
+
+  # PATCH/PUT /boxes/1
+  # PATCH/PUT /boxes/1.json
+  def update
+    respond_to do |format|
+      if @box.update(box_params)
+        format.html { redirect_to @box, notice: 'Box was successfully updated.' }
+        format.json { render :show, status: :ok, location: @box }
+      else
+        format.html { render :edit }
+        format.json { render json: @box.errors, status: :unprocessable_entity }
+      end
+    end
+  end
+
+  # DELETE /boxes/1
+  # DELETE /boxes/1.json
+  def destroy
+    @box.destroy
+    respond_to do |format|
+      format.html { redirect_to boxes_url, notice: 'Box was successfully destroyed.' }
+      format.json { head :no_content }
+    end
+  end
+
+  private
+    # Use callbacks to share common setup or constraints between actions.
+    def set_box
+      @box = Box.find(params[:id])
+    end
+
+    # Only allow a list of trusted parameters through.
+    def box_params
+      params.require(:box).permit(:name, :description, :a_date, :a_datetime, :a_time)
+    end
+end

app/helpers/boxes_helper.rb

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+module BoxesHelper
+end

app/models/box.rb

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+class Box < ApplicationRecord
+end

app/views/boxes/_box.json.jbuilder

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+json.extract! box, :id, :name, :description, :a_date, :a_datetime, :a_time, :created_at, :updated_at
+json.url box_url(box, format: :json)

app/views/boxes/_form.html.erb

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+<%= form_with(model: box, local: true) do |form| %>
+  <% if box.errors.any? %>
+    <div id="error_explanation">
+      <h2><%= pluralize(box.errors.count, "error") %> prohibited this box from being saved:</h2>
+
+      <ul>
+        <% box.errors.full_messages.each do |message| %>
+          <li><%= message %></li>
+        <% end %>
+      </ul>
+    </div>
+  <% end %>
+
+  <div class="field">
+    <%= form.label :name %>
+    <%= form.text_field :name %>
+  </div>
+
+  <div class="field">
+    <%= form.label :description %>
+    <%= form.text_area :description %>
+  </div>
+
+  <div class="field">
+    <%= form.label :a_date %>
+    <%= form.date_select :a_date %>
+  </div>
+
+  <div class="field">
+    <%= form.label :a_datetime %>
+    <%= form.datetime_select :a_datetime %>
+  </div>
+
+  <div class="field">
+    <%= form.label :a_time %>
+    <%= form.time_select :a_time %>
+  </div>
+
+  <div class="actions">
+    <%= form.submit %>
+  </div>
+<% end %>

app/views/boxes/edit.html.erb

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+<h1>Editing Box</h1>
+
+<%= render 'form', box: @box %>
+
+<%= link_to 'Show', @box %> |
+<%= link_to 'Back', boxes_path %>

app/views/boxes/index.html.erb

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+<p id="notice"><%= notice %></p>
+
+<h1>Boxes</h1>
+
+<table>
+  <thead>
+    <tr>
+      <th>Name</th>
+      <th>Description</th>
+      <th>A date</th>
+      <th>A datetime</th>
+      <th>A time</th>
+      <th colspan="3"></th>
+    </tr>
+  </thead>
+
+  <tbody>
+    <% @boxes.each do |box| %>
+      <tr>
+        <td><%= box.name %></td>
+        <td><%= box.description %></td>
+        <td><%= box.a_date %></td>
+        <td><%= box.a_datetime %></td>
+        <td><%= box.a_time %></td>
+        <td><%= link_to 'Show', box %></td>
+        <td><%= link_to 'Edit', edit_box_path(box) %></td>
+        <td><%= link_to 'Destroy', box, method: :delete, data: { confirm: 'Are you sure?' } %></td>
+      </tr>
+    <% end %>
+  </tbody>
+</table>
+
+<br>
+
+<%= link_to 'New Box', new_box_path %>

app/views/boxes/index.json.jbuilder

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+json.array! @boxes, partial: "boxes/box", as: :box

app/views/boxes/new.html.erb

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+<h1>New Box</h1>
+
+<%= render 'form', box: @box %>
+
+<%= link_to 'Back', boxes_path %>

app/views/boxes/show.html.erb

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+<p id="notice"><%= notice %></p>
+
+<p>
+  <strong>Name:</strong>
+  <%= @box.name %>
+</p>
+
+<p>
+  <strong>Description:</strong>
+  <%= @box.description %>
+</p>
+
+<p>
+  <strong>A date:</strong>
+  <%= @box.a_date %>
+</p>
+
+<p>
+  <strong>A datetime:</strong>
+  <%= @box.a_datetime %>
+</p>
+
+<p>
+  <strong>A time:</strong>
+  <%= @box.a_time %>
+</p>
+
+<%= link_to 'Edit', edit_box_path(@box) %> |
+<%= link_to 'Back', boxes_path %>

app/views/boxes/show.json.jbuilder

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+json.partial! "boxes/box", box: @box

config/routes.rb

@@ -1,4 +1,5 @@
 Rails.application.routes.draw do
+  resources :boxes
   # For details on the DSL available within this file, see https://guides.rubyonrails.org/routing.html
   root to: 'pages#home'
 end

db/migrate/20200501093759_create_boxes.rb

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+class CreateBoxes < ActiveRecord::Migration[6.0]
+  def change
+    create_table :boxes do |t|
+      t.string :name
+      t.text :description
+      t.date :a_date
+      t.datetime :a_datetime
+      t.time :a_time
+
+      t.timestamps
+    end
+  end
+end

db/schema.rb

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+# This file is auto-generated from the current state of the database. Instead
+# of editing this file, please use the migrations feature of Active Record to
+# incrementally modify your database, and then regenerate this schema definition.
+#
+# This file is the source Rails uses to define your schema when running `rails
+# db:schema:load`. When creating a new database, `rails db:schema:load` tends to
+# be faster and is potentially less error prone than running all of your
+# migrations from scratch. Old migrations may fail to apply correctly if those
+# migrations use external dependencies or application code.
+#
+# It's strongly recommended that you check this file into your version control system.
+
+ActiveRecord::Schema.define(version: 2020_05_01_093759) do
+
+  create_table "boxes", force: :cascade do |t|
+    t.string "name"
+    t.text "description"
+    t.date "a_date"
+    t.datetime "a_datetime"
+    t.time "a_time"
+    t.datetime "created_at", precision: 6, null: false
+    t.datetime "updated_at", precision: 6, null: false
+  end
+
+end