Live Code

Gemfile

@@ -8,7 +8,7 @@ end
 # Bundle edge Rails instead: gem 'rails', github: 'rails/rails'
 gem 'rails', '~> 5.1.6'
 # Use sqlite3 as the database for Active Record
-gem 'sqlite3', '1.5'
+gem 'sqlite3', '1.5 '
 # Use Puma as the app server
 gem 'puma'
 # Use SCSS for stylesheets

app/controllers/sweets_controller.rb

@@ -2,4 +2,8 @@ class SweetsController < ApplicationController
   def index
     @sweets = Sweet.all
   end
+
+  def show
+    @sweet = Sweet.find(params[:id])
+  end
 end

app/controllers/vendor_sweets_controller.rb

@@ -0,0 +1,18 @@
+class VendorSweetsController < ApplicationController
+  def create
+    @vendor_sweet = VendorSweet.new(vendor_sweet_params)
+    @vendor = @vendor_sweet.vendor
+
+    if @vendor_sweet.save
+      redirect_to vendor_path(@vendor)
+    else
+      render "vendors/show"
+    end
+  end
+
+  private
+
+  def vendor_sweet_params
+    params.require(:vendor_sweet).permit(:vendor_id, :sweet_id, :comment)
+  end
+end

app/controllers/vendors_controller.rb

@@ -1,7 +1,10 @@
 class VendorsController < ApplicationController
-
   def index
     @vendors = Vendor.all
   end
 
+  def show
+    @vendor = Vendor.find(params[:id])
+    @vendor_sweet = VendorSweet.new
+  end
 end

app/models/sweet.rb

@@ -1,3 +1,4 @@
 class Sweet < ApplicationRecord
-
+  has_many :vendor_sweets
+  has_many :vendors, through: :vendor_sweets
 end

app/models/vendor.rb

@@ -1,3 +1,4 @@
 class Vendor < ApplicationRecord
-
+  has_many :vendor_sweets
+  has_many :sweets, through: :vendor_sweets
 end

app/models/vendor_sweet.rb

@@ -0,0 +1,6 @@
+class VendorSweet < ApplicationRecord
+  belongs_to :vendor
+  belongs_to :sweet
+
+  validates :vendor, :sweet, :comment, presence: true
+end

app/views/sweets/index.html.erb

@@ -2,6 +2,6 @@
 
 <ul>
   <% @sweets.each do |sweet| %>
-    <li><%= sweet.name %></li>
+    <li><%= link_to sweet.name, sweet_path(sweet) %></li>
   <% end  %>
 </ul>

app/views/sweets/show.html.erb

@@ -0,0 +1,8 @@
+<h1><%= @sweet.name %></h1>
+
+<h2>Vendors</h2>
+<ul>
+  <% @sweet.vendors.each do |vendor| %>
+    <li><%= link_to vendor.name, vendor_path(vendor) %></li>
+  <% end %>
+</ul>

app/views/vendors/index.html.erb

@@ -2,6 +2,6 @@
 
 <ul>
   <% @vendors.each do |vendor| %>
-    <li><%= vendor.name %></li>
+    <li><%= link_to vendor.name, vendor_path(vendor) %></li>
   <% end  %>
 </ul>

app/views/vendors/show.html.erb

@@ -0,0 +1,37 @@
+<% if @vendor_sweet.errors.any? %>
+  <h2><%= pluralize(@vendor_sweet.errors.count, "error") %> prohibited saving:</h2>
+
+  <ul>
+    <% @vendor_sweet.errors.full_messages.each do |message| %>
+      <li><%= message %></li>
+    <% end %>
+  </ul>
+<% end %>
+
+<h1><%= @vendor.name %></h1>
+
+<h2>Sweets</h2>
+<ul>
+  <% @vendor.vendor_sweets.each do |vendor_sweet| %>
+    <li><%= vendor_sweet.sweet.name %>: <%= vendor_sweet.comment %></li>
+  <% end %>
+</ul>
+
+<h2>Add Sweet</h2>
+<%= form_with model: @vendor_sweet, local: true do |f| %>
+  <%= f.hidden_field :vendor_id, value: @vendor.id %>
+
+  <div>
+    <%= f.label :sweet_id %>
+    <br>
+    <%= f.collection_select :sweet_id, Sweet.all, :id, :name, include_blank: "PICK ONE!!!!!!" %>
+  </div>
+
+  <div>
+    <%= f.label :comment %>
+    <br>
+    <%= f.text_field :comment %>
+  </div>
+
+  <%= f.submit %>
+<% end %>

config/routes.rb

@@ -1,6 +1,5 @@
 Rails.application.routes.draw do
-  # For details on the DSL available within this file, see http://guides.rubyonrails.org/routing.html
-  get '/sweets', to: "sweets#index", as: "sweets"
-  get '/vendors', to: "vendors#index", as: "vendors"
-
+  resources :sweets, only: %i[index show]
+  resources :vendors, only: %i[index show]
+  resources :vendor_sweets, only: :create
 end

db/migrate/20240820173206_create_vendor_sweets.rb

@@ -0,0 +1,10 @@
+class CreateVendorSweets < ActiveRecord::Migration[5.1]
+  def change
+    create_table :vendor_sweets do |t|
+      t.references :vendor
+      t.references :sweet
+
+      t.timestamps
+    end
+  end
+end

db/migrate/20240820174754_add_comment_to_vendor_sweets.rb

@@ -0,0 +1,5 @@
+class AddCommentToVendorSweets < ActiveRecord::Migration[5.1]
+  def change
+    add_column :vendor_sweets, :comment, :string
+  end
+end

db/schema.rb

@@ -0,0 +1,37 @@
+# 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: 20240820174754) do
+
+  create_table "sweets", force: :cascade do |t|
+    t.string "name"
+    t.datetime "created_at", null: false
+    t.datetime "updated_at", null: false
+  end
+
+  create_table "vendor_sweets", force: :cascade do |t|
+    t.integer "vendor_id"
+    t.integer "sweet_id"
+    t.datetime "created_at", null: false
+    t.datetime "updated_at", null: false
+    t.string "comment"
+    t.index ["sweet_id"], name: "index_vendor_sweets_on_sweet_id"
+    t.index ["vendor_id"], name: "index_vendor_sweets_on_vendor_id"
+  end
+
+  create_table "vendors", force: :cascade do |t|
+    t.string "name"
+    t.datetime "created_at", null: false
+    t.datetime "updated_at", null: false
+  end
+
+end

db/seeds.rb

@@ -8,6 +8,7 @@
 
 Vendor.destroy_all
 Sweet.destroy_all
+VendorSweet.destroy_all
 
 vendors = [
   "Insomnia Cookies",
@@ -27,10 +28,12 @@
   "Peanut Butter Icecream Cake",
 ]
 
-vendors.each do |vendor|
-  Vendor.create(name: vendor)
-end
-
 sweets.each do |sweet|
   Sweet.create(name: sweet)
 end
+
+sweets = Sweet.all
+
+vendors.each_with_index do |vendor, index|
+  Vendor.create(name: vendor, sweets: [sweets[index]])
+end