Kerynn- SOA Challenge

Gemfile

@@ -35,13 +35,17 @@ 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'
+  gem 'launchy'
+  gem 'factory_bot_rails'
+  gem 'faker'
 end
 
 group :development do

Gemfile.lock

@@ -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 (2.7.4)
+      faraday-net_http (>= 2.0, < 3.1)
+      ruby2_keywords (>= 0.0.4)
+    faraday-net_http (3.0.2)
     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 (2.5.2)
+      addressable (~> 2.8)
     listen (3.1.5)
       rb-fsevent (~> 0.9, >= 0.9.4)
       rb-inotify (~> 0.9, >= 0.9.7)
@@ -92,9 +105,13 @@ GEM
     matrix (0.4.2)
     method_source (1.0.0)
     mini_mime (1.1.2)
+    mini_portile2 (2.6.1)
     minitest (5.14.4)
     msgpack (1.4.2)
     nio4r (2.5.8)
+    nokogiri (1.12.5)
+      mini_portile2 (~> 2.6.1)
+      racc (~> 1.4)
     nokogiri (1.12.5-arm64-darwin)
       racc (~> 1.4)
     pg (1.2.3)
@@ -153,6 +170,7 @@ 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)
@@ -199,13 +217,18 @@ GEM
 
 PLATFORMS
   arm64-darwin-20
+  ruby
 
 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

app/controllers/items_controller.rb

@@ -0,0 +1,10 @@
+class ItemsController < ApplicationController 
+
+  def index 
+    @items = ItemsFacade.all_items
+  end
+
+  def show 
+    @item = ItemsFacade.find_item(params[:id])
+  end
+end

app/controllers/merchants_controller.rb

@@ -0,0 +1,11 @@
+class MerchantsController < ApplicationController 
+
+  def index 
+    @merchants = MerchantsFacade.all_merchants
+  end
+
+  def show 
+    @merchant = MerchantsFacade.find_merchant(params[:id])
+    @items = MerchantsFacade.merchant_items(@merchant.id)
+  end
+end

app/facades/items_facade.rb

@@ -0,0 +1,15 @@
+class ItemsFacade 
+
+  def self.all_items 
+    data = ItemsService.get_all_items 
+    results = data[:data]
+    results.map do |item_data|
+      Item.new(item_data)
+    end
+  end
+
+  def self.find_item(item_id)
+    data = ItemsService.get_item(item_id)
+    Item.new(data[:data])
+  end
+end

app/facades/merchants_facade.rb

@@ -0,0 +1,23 @@
+class MerchantsFacade 
+
+  def self.all_merchants 
+    data = MerchantsService.get_all_merchants 
+    results = data[:data] 
+    results.map do |merchant_data|
+      Merchant.new(merchant_data)
+    end
+  end
+
+  def self.merchant_items(merchant_id)
+    data = MerchantsService.get_merchant_items(merchant_id)
+    results = data[:data]
+    results.map do |item_data|
+      Item.new(item_data)
+    end
+  end
+
+  def self.find_merchant(merchant_id)
+    data = MerchantsService.get_merchant(merchant_id)
+    Merchant.new(data[:data])
+  end
+end

app/poros/item.rb

@@ -0,0 +1,10 @@
+class Item 
+  attr_reader :id, :name, :description, :unit_price
+
+  def initialize(item_data)
+    @id = item_data[:id].to_i
+    @name = item_data[:attributes][:name]
+    @description = item_data[:attributes][:description]
+    @unit_price = item_data[:attributes][:unit_price]
+  end
+end

app/poros/merchant.rb

@@ -0,0 +1,8 @@
+class Merchant 
+  attr_reader :id, :name 
+
+  def initialize(merchant_data)
+    @id = merchant_data[:id].to_i
+    @name = merchant_data[:attributes][:name]
+  end
+end

app/services/items_service.rb

@@ -0,0 +1,18 @@
+class ItemsService 
+
+  def self.get_all_items
+    parse_data(conn.get("/api/v1/items"))
+  end
+
+  def self.get_item(item_id)
+    parse_data(conn.get("/api/v1/items/#{item_id}"))
+  end
+
+  def self.parse_data(response)
+    JSON.parse(response.body, symbolize_names: true)
+  end
+
+  def self.conn 
+    Faraday.new(url: 'http://localhost:3000')
+  end
+end

app/services/merchants_service.rb

@@ -0,0 +1,22 @@
+class MerchantsService
+
+  def self.get_all_merchants
+    parse_data(conn.get("/api/v1/merchants"))
+  end
+
+  def self.get_merchant_items(merchant_id)
+    parse_data(conn.get("/api/v1/merchants/#{merchant_id}/items"))
+  end
+
+  def self.get_merchant(merchant_id)
+    parse_data(conn.get("/api/v1/merchants/#{merchant_id}"))
+  end
+
+  def self.parse_data(response)
+    JSON.parse(response.body, symbolize_names: true)
+  end
+
+  def self.conn 
+    Faraday.new(url: 'http://localhost:3000')
+  end
+end

app/views/items/index.html.erb

@@ -0,0 +1,6 @@
+<h1>Items</h1>
+<p>Total Items: <%= @items.size %></p>
+
+<% @items.each do |item| %>
+  <li><%= link_to item.name, item_path(item.id) %></li>
+<% end %>

app/views/items/show.html.erb

@@ -0,0 +1,3 @@
+<h1><%= @item.name %></h1>
+<p>Item Description: <%= @item.description %></p>
+<p>Price: $<%= @item.unit_price %></p>

app/views/merchants/index.html.erb

@@ -0,0 +1,6 @@
+<h1>Merchants</h1>
+<p>Total Merchants: <%= @merchants.size %></p>
+
+<% @merchants.each do |merchant| %>
+  <li><%= link_to merchant.name, merchant_path(merchant.id) %></li>
+<% end %>

app/views/merchants/show.html.erb

@@ -0,0 +1,5 @@
+<h1><%= @merchant.name %></h1>
+<p>Total Merchant Items: <%= @items.size %></p>
+<% @items.each do |item| %>
+  <li><%= link_to item.name, item_path(item.id) %></li>
+<% end %>

config/routes.rb

@@ -1,3 +1,6 @@
 Rails.application.routes.draw do
   # For details on the DSL available within this file, see http://guides.rubyonrails.org/routing.html
+
+  resources :merchants, only: [:index, :show]
+  resources :items, only: [:index, :show]
 end

spec/facades/item_facade_spec.rb

@@ -0,0 +1,18 @@
+require 'rails_helper'
+
+RSpec.describe ItemsFacade do 
+  it 'can return the collection of items' do 
+    items = ItemsFacade.all_items
+
+    expect(items).to be_an Array 
+    items.each do |item|
+      expect(item).to be_an_instance_of(Item)
+    end
+  end
+
+  it 'can return a single item' do 
+    item = ItemsFacade.find_item(24)
+
+    expect(item).to be_an_instance_of(Item)
+  end
+end 

spec/facades/merchant_facade_spec.rb

@@ -0,0 +1,27 @@
+require 'rails_helper'
+
+RSpec.describe MerchantsFacade do 
+  it 'can return the collection of Merchants' do 
+    merchants = MerchantsFacade.all_merchants 
+
+    expect(merchants).to be_an Array 
+    merchants.each do |merchant|
+      expect(merchant).to be_an_instance_of(Merchant)
+    end
+  end
+
+  it 'can return the collection of merchant items' do 
+    merchant_items = MerchantsFacade.merchant_items(1)
+
+    expect(merchant_items).to be_an Array 
+    merchant_items.each do |item|
+      expect(item).to be_an_instance_of(Item)
+    end
+  end
+
+  it 'can return a single merchant' do 
+    merchant = MerchantsFacade.find_merchant(1)
+
+    expect(merchant).to be_an_instance_of(Merchant)
+  end
+end

spec/features/items/index_spec.rb

@@ -0,0 +1,32 @@
+require 'rails_helper'
+
+RSpec.describe 'Items Index' do 
+  describe 'when I visit /items' do 
+    it 'shows a list of items by name' do 
+      visit items_path 
+
+      expect(page.status_code).to eq 200
+      expect(page).to have_content("Items")
+      expect(page).to have_content("Total Items: 2483")
+      expect(page).to have_content("Item Expedita Aliquam")
+      expect(page).to have_content("Item Expedita Fuga")
+      expect(page).to have_content("Item Quo Magnam")
+    end
+
+    it 'has a link for each item name to item show page' do 
+      visit items_path 
+
+      expect(page.status_code).to eq 200
+
+      click_link "Item Quo Magnam"
+
+      expect(current_path).to eq item_path(9)
+
+      visit items_path 
+
+      click_link "Item Expedita Fuga"
+
+      expect(current_path).to eq item_path(7)
+    end
+  end
+end

spec/features/items/show_spec.rb

@@ -0,0 +1,14 @@
+require 'rails_helper' 
+
+RSpec.describe 'item show page' do 
+  describe 'when I visit /items/:id' do 
+    it 'shows the item name, description, and unit price' do 
+      visit item_path(20)
+
+      expect(page.status_code).to eq 200 
+      expect(page).to have_content("Item Dolorem Et")
+      expect(page).to have_content("Item Description: Atque voluptatibus molestiae porro. Possimus facere quam dolor voluptate officia soluta. Ipsam dolores tempore ut.")
+      expect(page).to have_content("Price: $693.38")
+    end
+  end
+end

spec/features/merchants/index_spec.rb

@@ -0,0 +1,32 @@
+require 'rails_helper'
+
+RSpec.describe 'Merchant Index' do 
+  describe 'when I visit /merchants' do 
+    it 'shows a list of merchants by name' do 
+      visit merchants_path 
+
+      expect(page.status_code).to eq 200
+      expect(page).to have_content("Merchants")
+      expect(page).to have_content("Total Merchants: 100")
+      expect(page).to have_content("Schroeder-Jerde")
+      expect(page).to have_content("Willms and Sons")
+      expect(page).to have_content("Pollich and Sons")
+    end
+
+    it 'has a link for each merchant name to merchant show page' do 
+      visit merchants_path 
+
+      expect(page.status_code).to eq 200
+
+      click_link "Schroeder-Jerde"
+
+      expect(current_path).to eq merchant_path(1)
+
+      visit merchants_path 
+
+      click_link "Pollich and Sons"
+
+      expect(current_path).to eq merchant_path(11)
+    end
+  end
+end