A.J. Krumholz

Gemfile

@@ -35,15 +35,24 @@ gem 'jbuilder', '~> 2.5'
 
 # Reduces boot times through caching; required in config/boot.rb
 gem 'bootsnap', '>= 1.1.0', require: false
+gem 'faraday'
 
 group :development, :test do
   # Call 'byebug' anywhere in the code to stop execution and get a debugger console
   gem 'byebug', platforms: [:mri, :mingw, :x64_mingw]
   gem 'rspec-rails'
-  gem 'capybara'
   gem 'pry'
 end
 
+group :test do
+  gem 'vcr'
+  gem 'faker'
+  gem 'factory_bot_rails'
+  gem 'shoulda-matchers'
+  gem 'capybara'
+  gem 'launchy'
+end
+
 group :development do
   # Access an interactive console on exception pages or by calling 'console' anywhere in the code.
   gem 'web-console', '>= 3.3.0'

Gemfile.lock

@@ -42,15 +42,15 @@ GEM
       i18n (>= 0.7, < 2)
       minitest (~> 5.1)
       tzinfo (~> 1.1)
-    addressable (2.8.0)
-      public_suffix (>= 2.0.2, < 5.0)
+    addressable (2.8.1)
+      public_suffix (>= 2.0.2, < 6.0)
     arel (9.0.0)
     bindex (0.8.1)
     bootsnap (1.9.1)
       msgpack (~> 1.0)
     builder (3.2.4)
     byebug (11.1.3)
-    capybara (3.36.0)
+    capybara (3.37.1)
       addressable
       matrix
       mini_mime (>= 0.1.3)
@@ -72,13 +72,26 @@ GEM
     diff-lcs (1.4.4)
     erubi (1.10.0)
     execjs (2.8.1)
+    factory_bot (6.2.1)
+      activesupport (>= 5.0.0)
+    factory_bot_rails (6.2.0)
+      factory_bot (~> 6.2.0)
+      railties (>= 5.0.0)
+    faker (2.19.0)
+      i18n (>= 1.6, < 2)
+    faraday (2.6.0)
+      faraday-net_http (>= 2.0, < 3.1)
+      ruby2_keywords (>= 0.0.4)
+    faraday-net_http (3.0.1)
     ffi (1.15.4)
     globalid (0.5.2)
       activesupport (>= 5.0)
     i18n (1.8.10)
       concurrent-ruby (~> 1.0)
     jbuilder (2.11.2)
       activesupport (>= 5.0.0)
+    launchy (2.5.0)
+      addressable (~> 2.7)
     listen (3.1.5)
       rb-fsevent (~> 0.9, >= 0.9.4)
       rb-inotify (~> 0.9, >= 0.9.7)
@@ -101,7 +114,7 @@ GEM
     pry (0.14.1)
       coderay (~> 1.1)
       method_source (~> 1.0)
-    public_suffix (4.0.6)
+    public_suffix (5.0.0)
     puma (3.12.6)
     racc (1.6.0)
     rack (2.2.3)
@@ -135,7 +148,7 @@ GEM
     rb-fsevent (0.11.0)
     rb-inotify (0.10.1)
       ffi (~> 1.0)
-    regexp_parser (2.1.1)
+    regexp_parser (2.6.0)
     rspec-core (3.10.1)
       rspec-support (~> 3.10.0)
     rspec-expectations (3.10.1)
@@ -153,6 +166,7 @@ GEM
       rspec-mocks (~> 3.10)
       rspec-support (~> 3.10)
     rspec-support (3.10.2)
+    ruby2_keywords (0.0.5)
     ruby_dep (1.5.0)
     sass (3.7.4)
       sass-listen (~> 4.0.0)
@@ -165,6 +179,8 @@ GEM
       sprockets (>= 2.8, < 4.0)
       sprockets-rails (>= 2.0, < 4.0)
       tilt (>= 1.1, < 3)
+    shoulda-matchers (5.2.0)
+      activesupport (>= 5.2.0)
     spring (2.1.1)
     spring-watcher-listen (2.0.1)
       listen (>= 2.7, < 4.0)
@@ -186,6 +202,7 @@ GEM
       thread_safe (~> 0.1)
     uglifier (4.2.0)
       execjs (>= 0.3.0, < 3)
+    vcr (6.1.0)
     web-console (3.7.0)
       actionview (>= 5.0)
       activemodel (>= 5.0)
@@ -199,29 +216,36 @@ GEM
 
 PLATFORMS
   arm64-darwin-20
+  arm64-darwin-21
 
 DEPENDENCIES
   bootsnap (>= 1.1.0)
   byebug
   capybara
   coffee-rails (~> 4.2)
+  factory_bot_rails
+  faker
+  faraday
   jbuilder (~> 2.5)
+  launchy
   listen (>= 3.0.5, < 3.2)
   pg (>= 0.18, < 2.0)
   pry
   puma (~> 3.11)
   rails (~> 5.2.6)
   rspec-rails
   sass-rails (~> 5.0)
+  shoulda-matchers
   spring
   spring-watcher-listen (~> 2.0.0)
   turbolinks (~> 5)
   tzinfo-data
   uglifier (>= 1.3.0)
+  vcr
   web-console (>= 3.3.0)
 
 RUBY VERSION
    ruby 2.7.4p191
 
 BUNDLED WITH
-   2.2.27
+   2.3.20

app/controllers/items_controller.rb

@@ -0,0 +1,9 @@
+class ItemsController < ApplicationController
+  def index
+    @items = ItemsFacade.items
+  end
+
+  def show
+    @item = ItemsFacade.item(params[:id])
+  end
+end

app/controllers/merchants_controller.rb

@@ -0,0 +1,9 @@
+class MerchantsController < ApplicationController
+  def index
+    @merchants = MerchantsFacade.merchants
+  end
+
+  def show
+    @merchant = MerchantsFacade.merchant(params[:id])
+  end
+end

app/controllers/welcome_controller.rb

@@ -0,0 +1,7 @@
+class WelcomeController < ApplicationController
+  def index
+    if params[:search].present?
+      @merchant = MerchantsFacade.find(params[:search])
+    end
+  end
+end

app/facades/items_facade.rb

@@ -0,0 +1,11 @@
+class ItemsFacade
+  def self.items
+    items_hash = ItemsService.items[:data]
+    items_hash.map { |item_info| Item.new(item_info)}
+  end
+
+  def self.item(id)
+    item_info = ItemsService.item(id)[:data]
+    Item.new(item_info)
+  end
+end

app/facades/merchants_facade.rb

@@ -0,0 +1,24 @@
+class MerchantsFacade
+  def self.merchants
+    merchants_hash = MerchantsService.merchants[:data]
+    merchants_hash.map { |merchant_info| Merchant.new(merchant_info)}
+  end
+
+  def self.merchant(id)
+    merchant_hash = MerchantsService.merchant(id)[:data]
+    Merchant.new(merchant_hash, merchant_items(id))
+  end
+
+  def self.find(query)
+    merchant_hash = MerchantsService.find(query)[:data]
+    id = merchant_hash[:id]
+    Merchant.new(merchant_hash, merchant_items(id))
+  end
+
+  private
+
+  def self.merchant_items(merchant_id)
+    item_hash = MerchantsService.merchant_items(merchant_id)[:data]
+    item_hash.map { |item_info| Item.new(item_info) }
+  end
+end

app/poros/item.rb

@@ -0,0 +1,15 @@
+class Item
+  attr_reader :id, 
+              :name, 
+              :description, 
+              :unit_price, 
+              :merchant_id
+
+  def initialize(data)
+    @id = data[:id]
+    @name = data[:attributes][:name]
+    @description = data[:attributes][:description]
+    @unit_price = data[:attributes][:unit_price]
+    @merchant_id = data[:attributes][:merchant_id]
+  end
+end

app/poros/merchant.rb

@@ -0,0 +1,9 @@
+class Merchant
+  attr_reader :name, :id, :items
+
+  def initialize(data, items = [])
+    @name = data[:attributes][:name]
+    @id = data[:id]
+    @items = items
+  end
+end

app/services/items_service.rb

@@ -0,0 +1,13 @@
+class ItemsService
+  def self.items
+    conn = Faraday.new(url: 'http://localhost:3000/api/v1/items')
+    response = conn.get
+    JSON.parse(response.body, symbolize_names: true)
+  end
+
+  def self.item(id)
+    conn = Faraday.new(url: "http://localhost:3000/api/v1/items/#{id}")
+    response = conn.get
+    JSON.parse(response.body, symbolize_names: true)
+  end
+end

app/services/merchants_service.rb

@@ -0,0 +1,28 @@
+require 'faraday'
+require 'json'
+
+class MerchantsService
+  def self.merchants
+    conn = Faraday.new(url: 'http://localhost:3000/api/v1/merchants')
+    response = conn.get
+    JSON.parse(response.body, symbolize_names: true)
+  end
+
+  def self.merchant(id)
+    conn = Faraday.new(url: "http://localhost:3000/api/v1/merchants/#{id}")
+    response = conn.get
+    JSON.parse(response.body, symbolize_names: true)
+  end
+
+  def self.merchant_items(id)
+    conn = Faraday.new(url: "http://localhost:3000/api/v1/merchants/#{id}/items")
+    response = conn.get
+    JSON.parse(response.body, symbolize_names: true)
+  end
+
+  def self.find(query)
+    conn = Faraday.new(url: "http://localhost:3000/api/v1/merchants/find?name=#{query}")
+    response = conn.get
+    JSON.parse(response.body, symbolize_names: true)
+  end
+end

app/views/items/index.html.erb

@@ -0,0 +1,9 @@
+<h1>All Items</h1>
+
+<ul>
+  <% @items.each do |item| %>
+    <li>
+      <%= link_to item.name, item_path(item.id) %>
+    </li>
+  <% end %>
+</ul>

app/views/items/show.html.erb

@@ -0,0 +1,4 @@
+<h1><%= @item.name %></h1>
+
+<p><%= @item.description %></p>
+<p>Price: <%= @item.unit_price %></p>

app/views/merchants/index.html.erb

@@ -0,0 +1,9 @@
+<h1>merchants index</h1>
+
+<ul>
+  <% @merchants.each do |merchant| %>
+    <li>
+      <p><%= link_to merchant.name, merchant_path(merchant.id) %></p>
+    </li>
+  <% end %>
+</ul>

app/views/merchants/show.html.erb

@@ -0,0 +1,13 @@
+<h1>merchant show page</h1>
+
+<h1><%= @merchant.name %></h1>
+
+<ul>
+  <% @merchant.items.each do |item| %>
+    <li>
+      <h3><%= item.name %></h3>
+      <p><%= item.description %></p>
+      <p>Price: <%= item.unit_price %></p>
+    </li>
+  <% end %>
+</ul>

app/views/welcome/index.html.erb

@@ -0,0 +1,16 @@
+<div id="search-form">
+  <%= form_with url: root_path, method: :get do |f| %>
+    <%= f.text_field :search %>
+    <%= f.submit "Search Merchants by Name" %>
+  <% end %>
+</div>
+
+<% if [email protected]? %>
+  <div id="search-results">
+    <ul>
+      <li>
+        <%= link_to @merchant.name, merchant_path(@merchant.id) %>
+      </li>
+    </ul>
+  </div>
+<% end %>

config/routes.rb

@@ -1,3 +1,5 @@
 Rails.application.routes.draw do
-  # For details on the DSL available within this file, see http://guides.rubyonrails.org/routing.html
+  root 'welcome#index'
+  resources :merchants, only: %i[index show]
+  resources :items, only: %i[index show]
 end

db/schema.rb

@@ -0,0 +1,18 @@
+# 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: 0) do
+
+  # These are extensions that must be enabled in order to support this database
+  enable_extension "plpgsql"
+
+end

spec/factories/item.rb

@@ -0,0 +1,7 @@
+FactoryBot.define do
+  factory :item do
+    name {Faker::Commerce.product_name}
+    description {Faker::Marketing.buzzwords}
+    unit_price {Faker::Number.decimal(l_digits: 2, r_digits: 2)}
+  end
+end