Ran command scaffold

app/controllers/language_lookups_controller.rb

@@ -0,0 +1,18 @@
+class LanguageLookupsController < ApplicationController
+  before_action :set_language_lookup, only: %i[ show edit update destroy ]
+
+  # TODO show the user the results of the lookup
+  def show
+  end
+
+  # TODO show the user the form to upload the marcxml/xml
+  def new
+  end
+
+  # TODO run the translation between marcxml and iso codes
+  def create
+    respond_to do |format|
+      format.json { render :show, status: :created, location: @language_lookup }
+    end
+  end
+end

app/helpers/language_lookups_helper.rb

@@ -0,0 +1,2 @@
+module LanguageLookupsHelper
+end

app/models/language_lookup.rb

@@ -0,0 +1,2 @@
+class LanguageLookup < ApplicationRecord
+end

app/views/language_lookups/_form.html.erb

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+<%= form_with(model: language_lookup) do |form| %>
+  <% if language_lookup.errors.any? %>
+    <div style="color: red">
+      <h2><%= pluralize(language_lookup.errors.count, "error") %> prohibited this language_lookup from being saved:</h2>
+
+      <ul>
+        <% language_lookup.errors.each do |error| %>
+          <li><%= error.full_message %></li>
+        <% end %>
+      </ul>
+    </div>
+  <% end %>
+
+  <div>
+    <%= form.submit %>
+  </div>
+<% end %>

app/views/language_lookups/_language_lookup.html.erb

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+<div id="<%= dom_id language_lookup %>">
+</div>

app/views/language_lookups/_language_lookup.json.jbuilder

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+json.extract! language_lookup, :id, :created_at, :updated_at
+json.url language_lookup_url(language_lookup, format: :json)

app/views/language_lookups/edit.html.erb

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+<h1>Editing language lookup</h1>
+
+<%= render "form", language_lookup: @language_lookup %>
+
+<br>
+
+<div>
+  <%= link_to "Show this language lookup", @language_lookup %> |
+  <%= link_to "Back to language lookups", language_lookups_path %>
+</div>

app/views/language_lookups/index.html.erb

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+<p style="color: green"><%= notice %></p>
+
+<h1>Language lookups</h1>
+
+<div id="language_lookups">
+  <% @language_lookups.each do |language_lookup| %>
+    <%= render language_lookup %>
+    <p>
+      <%= link_to "Show this language lookup", language_lookup %>
+    </p>
+  <% end %>
+</div>
+
+<%= link_to "New language lookup", new_language_lookup_path %>

app/views/language_lookups/index.json.jbuilder

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+json.array! @language_lookups, partial: "language_lookups/language_lookup", as: :language_lookup

app/views/language_lookups/new.html.erb

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+<h1>New language lookup</h1>
+
+<%= render "form", language_lookup: @language_lookup %>
+
+<br>
+
+<div>
+  <%= link_to "Back to language lookups", language_lookups_path %>
+</div>

app/views/language_lookups/show.html.erb

@@ -0,0 +1,10 @@
+<p style="color: green"><%= notice %></p>
+
+<%= render @language_lookup %>
+
+<div>
+  <%= link_to "Edit this language lookup", edit_language_lookup_path(@language_lookup) %> |
+  <%= link_to "Back to language lookups", language_lookups_path %>
+
+  <%= button_to "Destroy this language lookup", @language_lookup, method: :delete %>
+</div>

app/views/language_lookups/show.json.jbuilder

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+json.partial! "language_lookups/language_lookup", language_lookup: @language_lookup

config/routes.rb

@@ -1,4 +1,9 @@
 Rails.application.routes.draw do
+  get "language_lookup" => "language_lookups#show", as: :language_lookups_results
+
+  get "language_lookup/new" => "language_lookups#new", as: :language_lookups_form
+
+  post "language_lookup/create" => "language_lookups#create", as: :language_lookup
   # Define your application routes per the DSL in https://guides.rubyonrails.org/routing.html
 
   # Reveal health status on /up that returns 200 if the app boots with no exceptions, otherwise 500.

db/migrate/20240812182140_create_language_lookups.rb

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+class CreateLanguageLookups < ActiveRecord::Migration[7.1]
+  def change
+    create_table :language_lookups do |t|
+
+      t.timestamps
+    end
+  end
+end

test/controllers/language_lookups_controller_test.rb

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+require "test_helper"
+
+class LanguageLookupsControllerTest < ActionDispatch::IntegrationTest
+  setup do
+    @language_lookup = language_lookups(:one)
+  end
+
+  test "should get index" do
+    get language_lookups_url
+    assert_response :success
+  end
+
+  test "should get new" do
+    get new_language_lookup_url
+    assert_response :success
+  end
+
+  test "should create language_lookup" do
+    assert_difference("LanguageLookup.count") do
+      post language_lookups_url, params: { language_lookup: {  } }
+    end
+
+    assert_redirected_to language_lookup_url(LanguageLookup.last)
+  end
+
+  test "should show language_lookup" do
+    get language_lookup_url(@language_lookup)
+    assert_response :success
+  end
+
+  test "should get edit" do
+    get edit_language_lookup_url(@language_lookup)
+    assert_response :success
+  end
+
+  test "should update language_lookup" do
+    patch language_lookup_url(@language_lookup), params: { language_lookup: {  } }
+    assert_redirected_to language_lookup_url(@language_lookup)
+  end
+
+  test "should destroy language_lookup" do
+    assert_difference("LanguageLookup.count", -1) do
+      delete language_lookup_url(@language_lookup)
+    end
+
+    assert_redirected_to language_lookups_url
+  end
+end

test/fixtures/language_lookups.yml

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+# Read about fixtures at https://api.rubyonrails.org/classes/ActiveRecord/FixtureSet.html
+
+# This model initially had no columns defined. If you add columns to the
+# model remove the "{}" from the fixture names and add the columns immediately
+# below each fixture, per the syntax in the comments below
+#
+one: {}
+# column: value
+#
+two: {}
+# column: value

test/models/language_lookup_test.rb

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+require "test_helper"
+
+class LanguageLookupTest < ActiveSupport::TestCase
+  # test "the truth" do
+  #   assert true
+  # end
+end

test/system/language_lookups_test.rb

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+require "application_system_test_case"
+
+class LanguageLookupsTest < ApplicationSystemTestCase
+  setup do
+    @language_lookup = language_lookups(:one)
+  end
+
+  test "visiting the index" do
+    visit language_lookups_url
+    assert_selector "h1", text: "Language lookups"
+  end
+
+  test "should create language lookup" do
+    visit language_lookups_url
+    click_on "New language lookup"
+
+    click_on "Create Language lookup"
+
+    assert_text "Language lookup was successfully created"
+    click_on "Back"
+  end
+
+  test "should update Language lookup" do
+    visit language_lookup_url(@language_lookup)
+    click_on "Edit this language lookup", match: :first
+
+    click_on "Update Language lookup"
+
+    assert_text "Language lookup was successfully updated"
+    click_on "Back"
+  end
+
+  test "should destroy Language lookup" do
+    visit language_lookup_url(@language_lookup)
+    click_on "Destroy this language lookup", match: :first
+
+    assert_text "Language lookup was successfully destroyed"
+  end
+end