First releases complete, no auth or users yet

source/app/controllers/application_controller.rb

@@ -2,4 +2,7 @@ class ApplicationController < ActionController::Base
   # Prevent CSRF attacks by raising an exception.
   # For APIs, you may want to use :null_session instead.
   protect_from_forgery with: :exception
+
+  def index
+  end
 end

source/app/controllers/urls_controller.rb

@@ -1,2 +1,50 @@
 class UrlsController < ApplicationController
+  def index
+    @urls = Url.all
+  end
+
+  def new
+    @url = Url.new
+  end
+
+  def create
+    @url = Url.new(url_params)
+
+    if @url.save
+      redirect_to @url
+    else
+      render 'new'
+    end
+  end
+
+  def show
+    @url = Url.find(params[:id])
+  end
+
+  def edit
+    @url = Url.find(params[:id])
+  end
+
+  def destroy
+    @url = Url.find(params[:id])
+    @url.destroy
+
+    redirect_to urls_path
+  end
+
+  def jump
+    url = Url.find_by_short_url(params[:key])
+
+    if url.nil?
+      redirect_to root_path
+    else
+      url.increment!(:click_count)
+      redirect_to url.long_url
+    end
+  end
+
+  private
+  def url_params
+    params.require(:url).permit(:long_url)
+  end
 end

source/app/models/url.rb

@@ -0,0 +1,36 @@
+require 'uri'
+require 'net/http'
+
+class Url < ActiveRecord::Base
+  validate :long_url_must_be_valid_uri, :long_url_must_be_reachable
+  validates :long_url, presence: true
+  before_save :shorten_url
+
+  private
+  def shorten_url
+    range = [*'0'..'9',*'A'..'Z',*'a'..'z']
+    self.short_url = Array.new(6){ range.sample }.join if self.short_url.nil?
+  end
+
+  def long_url_must_be_valid_uri
+    return if long_url.empty?
+
+    unless long_url =~ /\A#{URI.regexp(['http', 'https'])}\z/
+      errors.add(:long_url, "must be a valid url prefaced with http(s)://")
+    end
+  end
+
+  def long_url_must_be_reachable
+    return if long_url.empty?
+
+    url = URI.parse(long_url)
+    http = Net::HTTP.new(url.host, url.port)
+    http.read_timeout = 1
+    http.start { |http|
+      http.get(url)
+    }
+
+  rescue
+    errors.add(:long_url, "must be a reachable url")
+  end
+end

source/app/views/application/index.html.erb

@@ -0,0 +1,4 @@
+<h1>URL Shortener Home</h1>
+
+<%= link_to 'New Url', new_url_path %><br/>
+<%= link_to 'All Urls', urls_path %>

source/app/views/urls/edit.html.erb

@@ -0,0 +1,3 @@
+<h1>Editing a Url</h1>
+
+<%= link_to 'Back', urls_path %>

source/app/views/urls/index.html.erb

@@ -0,0 +1,23 @@
+<h1>Listing Urls:</h1>
+
+<table>
+  <tr>
+    <th>Short Url</th>
+    <th>Times Visited</th>
+    <th>Original Url</th>
+  </tr>
+
+  <% @urls.each do |url| %>
+    <tr>
+      <td><%= url.short_url %></td>
+      <td><%= url.click_count %></td>
+      <td><%= url.long_url %></td>
+      <td><%= link_to 'Show', url_path(url) %></td>
+      <td><%= link_to 'Edit', edit_url_path(url) %></td>
+      <td><%= link_to 'Delete', url_path(url), method: :delete, data: {confirm: 'Are you sure?'} %></td>
+    </tr>
+  <% end %>
+</table>
+
+<%= link_to 'New Url', new_url_path %><br/>
+<%= link_to 'Home', root_path %>

source/app/views/urls/new.html.erb

@@ -0,0 +1,27 @@
+<h1>Make a new url here</h1>
+
+<%= form_for :url, url: urls_path, local: true do |form| %>
+  <% if @url.errors.any? %>
+    <div id="error_explanation">
+      <h2>
+        <%= pluralize(@url.errors.count, "error") %> prohibited this url from being saved:
+      </h2>
+      <ul>
+        <%= @url.errors.full_messages.each do |msg| %>
+          <li><%= msg %></li>
+        <% end %>
+      </ul>
+    </div>
+  <% end %>
+
+  <p>
+    <%= form.label :long_url %>
+    <%= form.text_field :long_url %>
+  </p>
+
+  <p>
+    <%= form.submit %>
+  </p>
+<% end %>
+
+<%= link_to 'Home', root_path %>

source/app/views/urls/show.html.erb

@@ -0,0 +1,18 @@
+<h1>Showing a URL here</h1>
+<p>
+  <strong>Original Url:</strong>
+  <%= @url.long_url %>
+</p>
+
+<p>
+  <strong>Visit Count:</strong>
+  <%= @url.click_count %>
+</p>
+
+<p>
+  <strong>Short Url:</strong>
+  <%= @url.short_url %>
+</p>
+
+<%= link_to 'Back', urls_path %><br/>
+<%= link_to 'Home', root_path %>

source/config/routes.rb

@@ -53,4 +53,10 @@
   #     # (app/controllers/admin/products_controller.rb)
   #     resources :products
   #   end
+  #
+
+  get 'application/index'
+  resources :urls
+  get '/:key' => 'urls#jump'
+  root 'application#index'
 end

source/db/migrate/20180123203210_create_urls.rb

@@ -0,0 +1,8 @@
+class CreateUrls < ActiveRecord::Migration
+  def change
+    create_table :urls do |t|
+
+      t.timestamps
+    end
+  end
+end

source/db/migrate/20180123215003_add_long_url_to_url.rb

@@ -0,0 +1,5 @@
+class AddLongUrlToUrl < ActiveRecord::Migration
+  def change
+    add_column :urls, :long_url, :text
+  end
+end

source/db/migrate/20180124143738_add_short_url_to_url.rb

@@ -0,0 +1,5 @@
+class AddShortUrlToUrl < ActiveRecord::Migration
+  def change
+    add_column :urls, :short_url, :text
+  end
+end

source/db/migrate/20180124160940_add_count_to_url.rb

@@ -0,0 +1,5 @@
+class AddCountToUrl < ActiveRecord::Migration
+  def change
+    add_column :urls, :click_count, :integer, default: 0
+  end
+end

source/db/schema.rb

@@ -0,0 +1,24 @@
+# encoding: UTF-8
+# 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.
+#
+# Note that this schema.rb definition is the authoritative source for your
+# database schema. If you need to create the application database on another
+# system, you should be using db:schema:load, not running all the migrations
+# from scratch. The latter is a flawed and unsustainable approach (the more migrations
+# you'll amass, the slower it'll run and the greater likelihood for issues).
+#
+# It's strongly recommended that you check this file into your version control system.
+
+ActiveRecord::Schema.define(version: 20180124160940) do
+
+  create_table "urls", force: true do |t|
+    t.datetime "created_at"
+    t.datetime "updated_at"
+    t.text     "long_url"
+    t.text     "short_url"
+    t.integer  "click_count", default: 0
+  end
+
+end