wishlist controller + scaffold

app/controllers/wishlists_controller.rb

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+class WishlistsController < ApplicationController
+  before_action :set_wishlist, only: %i[ show edit update destroy ]
+
+  # GET /wishlists or /wishlists.json
+  def index
+    @wishlists = Wishlist.all
+  end
+
+  # GET /wishlists/1 or /wishlists/1.json
+  def show
+  end
+
+  # GET /wishlists/new
+  def new
+    @wishlist = Wishlist.new
+  end
+
+  # GET /wishlists/1/edit
+  def edit
+  end
+
+  # POST /wishlists or /wishlists.json
+  def create
+    @wishlist = Wishlist.new(wishlist_params)
+
+    respond_to do |format|
+      if @wishlist.save
+        format.html { redirect_to wishlist_url(@wishlist), notice: "Wishlist was successfully created." }
+        format.json { render :show, status: :created, location: @wishlist }
+      else
+        format.html { render :new, status: :unprocessable_entity }
+        format.json { render json: @wishlist.errors, status: :unprocessable_entity }
+      end
+    end
+  end
+
+  # PATCH/PUT /wishlists/1 or /wishlists/1.json
+  def update
+    respond_to do |format|
+      if @wishlist.update(wishlist_params)
+        format.html { redirect_to wishlist_url(@wishlist), notice: "Wishlist was successfully updated." }
+        format.json { render :show, status: :ok, location: @wishlist }
+      else
+        format.html { render :edit, status: :unprocessable_entity }
+        format.json { render json: @wishlist.errors, status: :unprocessable_entity }
+      end
+    end
+  end
+
+  # DELETE /wishlists/1 or /wishlists/1.json
+  def destroy
+    @wishlist.destroy
+
+    respond_to do |format|
+      format.html { redirect_to wishlists_url, notice: "Wishlist was successfully destroyed." }
+      format.json { head :no_content }
+    end
+  end
+
+  private
+    # Use callbacks to share common setup or constraints between actions.
+    def set_wishlist
+      @wishlist = Wishlist.find(params[:id])
+    end
+
+    # Only allow a list of trusted parameters through.
+    def wishlist_params
+      params.require(:wishlist).permit([:name])
+    end
+end

app/helpers/wishlists_helper.rb

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+module WishlistsHelper
+end

app/views/wishlists/_form.html.erb

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+<%= form_with(model: wishlist, class: "contents") do |form| %>
+  <% if wishlist.errors.any? %>
+    <div id="error_explanation" class="bg-red-50 text-red-500 px-3 py-2 font-medium rounded-lg mt-3">
+      <h2><%= pluralize(wishlist.errors.count, "error") %> prohibited this wishlist from being saved:</h2>
+
+      <ul>
+        <% wishlist.errors.each do |error| %>
+          <li><%= error.full_message %></li>
+        <% end %>
+      </ul>
+    </div>
+  <% end %>
+
+  <%= form.text_field :name %>
+
+  <div class="inline">
+    <%= form.submit class: "rounded-lg py-3 px-5 bg-blue-600 text-white inline-block font-medium cursor-pointer" %>
+  </div>
+<% end %>

app/views/wishlists/_wishlist.html.erb

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+<div id="<%= dom_id wishlist %>">
+  <% if action_name != "show" %>
+    <%= link_to "Show this wishlist", wishlist, class: "rounded-lg py-3 px-5 bg-gray-100 inline-block font-medium" %>
+    <%= link_to 'Edit this wishlist', edit_wishlist_path(wishlist), class: "rounded-lg py-3 ml-2 px-5 bg-gray-100 inline-block font-medium" %>
+    <hr class="mt-6">
+  <% end %>
+
+  <table class="table-auto border-spacing-4 border-separate border border-slate-900">
+    <thead>
+    <tr>
+      <th>Attribute</th>
+      <th>Value</th>
+    </tr>
+    </thead>
+    <tbody>
+
+    <tr>
+      <td class="border border-slate-900">ID</td>
+      <td class="border border-slate-900"><%= @wishlist.id %></td>
+    </tr>
+
+    <tr>
+      <td class="border border-slate-900">Name</td>
+      <td class="border border-slate-900"><%= @wishlist.name %></td>
+    </tr>
+    </tbody>
+  </table>
+</div>

app/views/wishlists/_wishlist.json.jbuilder

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+json.extract! wishlist, :id, :name, :created_at, :updated_at
+json.url wishlist_url(wishlist, format: :json)

app/views/wishlists/edit.html.erb

@@ -0,0 +1,8 @@
+<div class="mx-auto md:w-2/3 w-full">
+  <h1 class="font-bold text-4xl">Editing wishlist</h1>
+
+  <%= render "form", wishlist: @wishlist %>
+
+  <%= link_to "Show this wishlist", @wishlist, class: "ml-2 rounded-lg py-3 px-5 bg-gray-100 inline-block font-medium" %>
+  <%= link_to "Back to wishlists", wishlists_path, class: "ml-2 rounded-lg py-3 px-5 bg-gray-100 inline-block font-medium" %>
+</div>

app/views/wishlists/index.html.erb

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+<div class="w-full">
+  <% if notice.present? %>
+    <p class="py-2 px-3 bg-green-50 mb-5 text-green-500 font-medium rounded-lg inline-block" id="notice"><%= notice %></p>
+  <% end %>
+
+  <div class="flex justify-between items-center">
+    <h1 class="font-bold text-4xl">Wishlists</h1>
+    <%= link_to 'New wishlist', new_wishlist_path, class: "rounded-lg py-3 px-5 bg-blue-600 text-white block font-medium" %>
+  </div>
+
+  <div id="wishlists" class="min-w-full">
+    <table class="table-auto border-spacing-4 border-separate border border-slate-900">
+    <thead>
+    <tr>
+      <th>Name</th>
+      <th>URL</th>
+      <th>Search</th>
+    </tr>
+    </thead>
+    <tbody>
+    <% @wishlists.each do |wishlist| %>
+      <tr>
+        <td class="border border-slate-900"><%= wishlist.name %></td>
+        <td class="border border-slate-900">
+          <a href="<%= wishlist_url(wishlist) %>">Show</a>
+        </td>
+        <td class="border border-slate-900">
+          <a href="<%= "https://www.google.com/search?q=#{wishlist.name}" %>" target="_blank">
+            Google
+          </a>
+        </td>
+      </tr>
+    <% end %>
+    </tbody>
+    </table>
+  </div>
+</div>

app/views/wishlists/index.json.jbuilder

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+json.array! @wishlists, partial: "wishlists/wishlist", as: :wishlist

app/views/wishlists/new.html.erb

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+<div class="mx-auto md:w-2/3 w-full">
+  <h1 class="font-bold text-4xl">New wishlist</h1>
+
+  <%= render "form", wishlist: @wishlist %>
+
+  <%= link_to 'Back to wishlists', wishlists_path, class: "ml-2 rounded-lg py-3 px-5 bg-gray-100 inline-block font-medium" %>
+</div>

app/views/wishlists/show.html.erb

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+<div class="mx-auto md:w-2/3 w-full flex">
+  <div class="mx-auto">
+    <% if notice.present? %>
+      <p class="py-2 px-3 bg-green-50 mb-5 text-green-500 font-medium rounded-lg inline-block" id="notice"><%= notice %></p>
+    <% end %>
+
+    <%= render @wishlist %>
+
+    <%= link_to 'Edit this wishlist', edit_wishlist_path(@wishlist), class: "mt-2 rounded-lg py-3 px-5 bg-gray-100 inline-block font-medium" %>
+    <div class="inline-block ml-2">
+      <%= button_to 'Destroy this wishlist', wishlist_path(@wishlist), method: :delete, class: "mt-2 rounded-lg py-3 px-5 bg-gray-100 font-medium" %>
+    </div>
+    <%= link_to 'Back to wishlists', wishlists_path, class: "ml-2 rounded-lg py-3 px-5 bg-gray-100 inline-block font-medium" %>
+  </div>
+</div>

app/views/wishlists/show.json.jbuilder

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+json.partial! "wishlists/wishlist", wishlist: @wishlist

spec/routing/wishlists_routing_spec.rb

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+require "rails_helper"
+
+RSpec.describe WishlistsController, type: :routing do
+  describe "routing" do
+    it "routes to #index" do
+      expect(get: "/wishlists").to route_to("wishlists#index")
+    end
+
+    it "routes to #new" do
+      expect(get: "/wishlists/new").to route_to("wishlists#new")
+    end
+
+    it "routes to #show" do
+      expect(get: "/wishlists/1").to route_to("wishlists#show", id: "1")
+    end
+
+    it "routes to #edit" do
+      expect(get: "/wishlists/1/edit").to route_to("wishlists#edit", id: "1")
+    end
+
+
+    it "routes to #create" do
+      expect(post: "/wishlists").to route_to("wishlists#create")
+    end
+
+    it "routes to #update via PUT" do
+      expect(put: "/wishlists/1").to route_to("wishlists#update", id: "1")
+    end
+
+    it "routes to #update via PATCH" do
+      expect(patch: "/wishlists/1").to route_to("wishlists#update", id: "1")
+    end
+
+    it "routes to #destroy" do
+      expect(delete: "/wishlists/1").to route_to("wishlists#destroy", id: "1")
+    end
+  end
+end

spec/views/wishlists/edit.html.tailwindcss_spec.rb

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+require 'rails_helper'
+
+RSpec.describe "wishlists/edit", type: :view do
+  let(:wishlist) {
+    Wishlist.create!(name: 'Euphorbia Atrox')
+  }
+
+  before(:each) do
+    assign(:wishlist, wishlist)
+  end
+
+  it "renders the edit wishlist form" do
+    render
+
+    assert_select "form[action=?][method=?]", wishlist_path(wishlist), "post" do
+    end
+  end
+end

spec/views/wishlists/index.html.tailwindcss_spec.rb

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+require 'rails_helper'
+
+RSpec.describe "wishlists/index", type: :view do
+  before(:each) do
+    assign(:wishlists, [
+      Wishlist.create!(name: 'giga'),
+      Wishlist.create!(name: 'omega')
+    ])
+  end
+
+  it "renders a list of wishlists" do
+    render
+    cell_selector = Rails::VERSION::STRING >= '7' ? 'div>p' : 'tr>td'
+  end
+end

spec/views/wishlists/new.html.tailwindcss_spec.rb

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+require 'rails_helper'
+
+RSpec.describe "wishlists/new", type: :view do
+  before(:each) do
+    assign(:wishlist, Wishlist.new(name: 'omega'))
+  end
+
+  it "renders new wishlist form" do
+    render
+
+    assert_select "form[action=?][method=?]", wishlists_path, "post" do
+    end
+  end
+end

spec/views/wishlists/show.html.tailwindcss_spec.rb

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+require 'rails_helper'
+
+RSpec.describe "wishlists/show", type: :view do
+  before(:each) do
+    assign(:wishlist, Wishlist.create!(name: 'giga'))
+  end
+
+  it "renders attributes in <p>" do
+    render
+  end
+end

test/controllers/wishlists_controller_test.rb

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+require "test_helper"
+
+class WishlistControllerTest < ActionDispatch::IntegrationTest
+  setup do
+    @wishlist = wishlists(:one)
+  end
+
+  test "should get index" do
+    get wishlists_url
+    assert_response :success
+  end
+
+  test "should get new" do
+    get new_wishlist_url
+    assert_response :success
+  end
+
+  test "should create wishlist" do
+    assert_difference("Wishlist.count") do
+      post wishlists_url, params: { wishlist: { name: 'PlantThree' } }
+    end
+
+    assert_redirected_to wishlist_url(Wishlist.last)
+  end
+
+  test "should show wishlist" do
+    get wishlist_url(@wishlist)
+    assert_response :success
+  end
+
+  test "should get edit" do
+    get edit_wishlist_url(@wishlist)
+    assert_response :success
+  end
+
+  test "should update wishlist" do
+    patch wishlist_url(@wishlist), params: { wishlist: { name: 'PlantFour' } }
+    assert_redirected_to wishlist_url(@wishlist)
+  end
+
+  test "should destroy wishlist" do
+    assert_difference("Wishlist.count", -1) do
+      delete wishlist_url(@wishlist)
+    end
+
+    assert_redirected_to wishlists_url
+  end
+end

test/fixtures/wishlists.yml

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+one:
+  id: 1
+  name: 'Euphorbia Atrox'