Add Language model and LanguageController

app/controllers/languages_controller.rb

@@ -0,0 +1,50 @@
+class LanguagesController < ApplicationController
+
+  def index
+    @languages = Language.all
+  end
+
+  def new
+    @language = Language.new
+  end
+
+  def create
+    @language = Language.new(language_params)
+    if @language.save
+      flash[:notice] = "Language successfully created."
+      redirect_to languages_path
+    else
+      render :new, status: :unprocessable_entity
+    end
+  end
+
+  def edit
+    @language = Language.find_by_id(params[:id])
+  end
+
+  def update
+    @language = Language.find_by_id(params[:id])
+    if @language.update(language_params)
+      flash[:notice] = "Language successfully updated."
+      redirect_to languages_path
+    else
+      render :edit, status: :unprocessable_entity
+    end
+  end
+
+  def destroy
+    @language = Language.find_by_id(params[:id])
+    if @language.destroy
+      flash[:notice] = "Language successfully deleted."
+      redirect_to languages_path
+    else
+      render :index, status: :not_modified
+    end
+  end
+
+  private
+  def language_params 
+    params.require(:language).permit(:name)
+  end
+
+end

app/helpers/language_helper.rb

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

app/models/definition.rb

@@ -1,3 +1,4 @@
 class Definition < ApplicationRecord
   belongs_to :word
+  belongs_to :language
 end

app/models/language.rb

@@ -0,0 +1,6 @@
+class Language < ApplicationRecord
+  has_many :definitions
+  has_many :part_of_speeches
+
+  validates_presence_of :name
+end

app/models/part_of_speech.rb

@@ -1,2 +1,3 @@
 class PartOfSpeech < ApplicationRecord
+  belongs_to :language
 end

app/views/languages/_errors.html.erb

@@ -0,0 +1,5 @@
+<% if language.errors.any? %>
+  <% language.errors.full_messages.each do |message| %>
+    <h6><%= message %></h6>
+  <% end %>
+<% end %>

app/views/languages/_form.html.erb

@@ -0,0 +1,6 @@
+<%= form_for language do |f| %>
+  <%= f.label :name %>
+  <%= f.text_field :name %><br/>
+  <br/>
+  <%= f.submit %>
+<% end %>

app/views/languages/create.html.erb

@@ -0,0 +1,2 @@
+<h1>Language#create</h1>
+<p>Find me in app/views/language/create.html.erb</p>

app/views/languages/destroy.html.erb

@@ -0,0 +1,2 @@
+<h1>Language#destroy</h1>
+<p>Find me in app/views/language/destroy.html.erb</p>

app/views/languages/edit.html.erb

@@ -0,0 +1,5 @@
+<%= render "languages/errors", language: @language %>
+
+<h1>Edit Language</h1>
+
+<%= render "languages/form", language: @language %>

app/views/languages/index.html.erb

@@ -0,0 +1,20 @@
+<h1>Languages</h1>
+
+<table>
+<tr>
+  <td><b>Language</b></td>
+</tr>
+<% @languages.each do |language| %>
+  <tr>
+    <td><%= language.name %></td>
+    <td><%= link_to "Edit", edit_language_path(language) %></td>
+    <td> | </td>
+    <td><%= link_to "Delete", language_path(language), data: { turbo_method: :delete,
+                                                               turbo_confirm: "Are you sure?" } %></td>
+  </tr>
+<% end %>
+</table>
+
+<br/>
+<br/>
+<%= link_to "New Language", new_language_path %>

app/views/languages/new.html.erb

@@ -0,0 +1,5 @@
+<%= render "languages/errors", language: @language %>
+
+<h1>New Language</h1>
+
+<%= render "languages/form", language: @language %>

app/views/languages/show.html.erb

@@ -0,0 +1,2 @@
+<h1>Language#show</h1>
+<p>Find me in app/views/language/show.html.erb</p>

app/views/languages/update.html.erb

@@ -0,0 +1,2 @@
+<h1>Language#update</h1>
+<p>Find me in app/views/language/update.html.erb</p>

app/views/layouts/application.html.erb

@@ -15,6 +15,10 @@
       <div class="d-flex mb-3">
         <div class="p-2">
           <%= link_to "Dictionary", dictionary_index_path %>
+          <% if user_signed_in? %>
+            <pre style="display: inline;">|</pre>
+            <%= link_to "Languages", languages_path %>
+          <% end %>
         </div>
         <div class="ms-auto p-2">
           <% if user_signed_in? %>

config/routes.rb

@@ -3,6 +3,7 @@ Rails.application.routes.draw do
   #get 'dictionary/index'
   resources :dictionary, only: [:index, :show]
   resources :words, only: [:index, :show]
+  resources :languages
   # 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/20231025010204_create_languages.rb

@@ -0,0 +1,9 @@
+class CreateLanguages < ActiveRecord::Migration[7.1]
+  def change
+    create_table :languages do |t|
+      t.string :name
+
+      t.timestamps
+    end
+  end
+end

db/migrate/20231025010226_add_language_fields.rb

@@ -0,0 +1,17 @@
+class AddLanguageFields < ActiveRecord::Migration[7.1]
+  def change
+    create_table :language do |t|
+      t.string :name
+
+      t.timestamps
+    end
+
+    change_table :definitions do |t|
+      t.references :language, null: false, foreign_key: true
+    end
+
+    change_table :part_of_speeches do |t|
+      t.references :language, null: false, foreign_key: true
+    end
+  end
+end

db/schema.rb

@@ -10,21 +10,37 @@
 #
 # It's strongly recommended that you check this file into your version control system.
 
-ActiveRecord::Schema[7.1].define(version: 2023_10_13_214519) do
+ActiveRecord::Schema[7.1].define(version: 2023_10_25_010226) do
   create_table "definitions", force: :cascade do |t|
     t.string "pos"
     t.string "definition"
     t.integer "word_id", null: false
     t.datetime "created_at", null: false
     t.datetime "updated_at", null: false
+    t.integer "language_id", null: false
+    t.index ["language_id"], name: "index_definitions_on_language_id"
     t.index ["word_id"], name: "index_definitions_on_word_id"
   end
 
+  create_table "language", force: :cascade do |t|
+    t.string "name"
+    t.datetime "created_at", null: false
+    t.datetime "updated_at", null: false
+  end
+
+  create_table "languages", force: :cascade do |t|
+    t.string "name"
+    t.datetime "created_at", null: false
+    t.datetime "updated_at", null: false
+  end
+
   create_table "part_of_speeches", force: :cascade do |t|
     t.string "pos"
     t.string "definition"
     t.datetime "created_at", null: false
     t.datetime "updated_at", null: false
+    t.integer "language_id", null: false
+    t.index ["language_id"], name: "index_part_of_speeches_on_language_id"
   end
 
   create_table "users", force: :cascade do |t|
@@ -45,5 +61,7 @@ ActiveRecord::Schema[7.1].define(version: 2023_10_13_214519) do
     t.datetime "updated_at", null: false
   end
 
+  add_foreign_key "definitions", "languages"
   add_foreign_key "definitions", "words"
+  add_foreign_key "part_of_speeches", "languages"
 end

lib/tasks/database.rake

@@ -1,14 +1,24 @@
 namespace :dataset do
   desc "TODO"
   task ingest: :environment do
-    ingest_pos
-    ingest_dictionary
+    english = create_english_lang
+    ingest_pos(english)
+    ingest_dictionary(english)
     puts "Ingest complete."
   end
 
 end
 
-def ingest_pos
+def create_english_lang
+  if Language.count > 0
+    puts "Language English already exists! Skipping step."
+    return
+  end
+
+  return Language.create(name: "English")
+end
+
+def ingest_pos(language)
   if PartOfSpeech.count > 0
     puts "Parts of speech data already exists in table! Aborting."
     return
@@ -17,12 +27,12 @@ def ingest_pos
   parts_of_speech = JSON.parse(File.read('db/dataset_en/toki-partsofspeech.json'))
 
   parts_of_speech.each do |pos|
-    PartOfSpeech.create(pos: pos['pos'], definition: pos['definition'])
+    PartOfSpeech.create(pos: pos['pos'], definition: pos['definition'], language_id: language.id)
   end
   puts "Parts of speech ingest complete."
 end
 
-def ingest_dictionary
+def ingest_dictionary(language)
   if Word.count > 0
     puts "Dictionary data already exists in table! Aborting."
     return
@@ -37,7 +47,7 @@ def ingest_dictionary
     word = Word.create(word: entry['word'])
 
     entry['definitions'].each do |definition|
-      word.definitions.create(pos: definition['pos'], definition: definition['definition'])
+      word.definitions.create(pos: definition['pos'], definition: definition['definition'], language_id: language.id)
     end
   end
   puts "Dictionary ingest complete."

spec/factories/definitions.rb

@@ -2,6 +2,7 @@ FactoryBot.define do
   factory :definition do
     pos { "n" }
     definition { "this is a definition" }
+    language_id { FactoryBot.create(:language).id }
     word_id { FactoryBot.create(:word).id }
   end
 end

spec/factories/languages.rb

@@ -0,0 +1,5 @@
+FactoryBot.define do
+  factory :language do
+    name { "MyString" }
+  end
+end

spec/factories/part_of_speech.rb

@@ -1,6 +1,7 @@
 FactoryBot.define do
   factory :part_of_speech do
     sequence(:pos) { |n| "test-#{n.to_s}" }
+    language_id { FactoryBot.create(:language).id }
     definition { "test definition" }
   end
 end

spec/models/language_spec.rb

@@ -0,0 +1,4 @@
+require 'rails_helper'
+
+RSpec.describe Language, type: :model do
+end

spec/requests/language_spec.rb

@@ -0,0 +1,106 @@
+require 'rails_helper'
+
+RSpec.describe "Languages", type: :request do
+
+  describe "GET :index" do
+    it "returns http success" do
+      get "/languages/"
+      expect(response).to have_http_status(:success)
+    end
+
+    it "lists all languages" do
+      language = FactoryBot.create(:language)
+      get "/languages/"
+      expect(response.body).to include(language.name)
+    end
+
+    it "has a new-language link" do
+      get "/languages/"
+      expect(response.body).to have_selector(%(a[href="#{new_language_path}"]))
+    end
+
+    it "has an edit button" do
+      language = FactoryBot.create(:language)
+      get "/languages/"
+      expect(response.body).to have_link("Edit")
+    end
+
+    it "has a delete button" do
+      language = FactoryBot.create(:language)
+      get "/languages/"
+      expect(response.body).to have_link("Delete")
+    end
+  end
+
+  describe "GET :new" do
+    it "returns http success" do
+      get "/languages/new"
+      expect(response).to have_http_status(:success)
+    end
+
+    it "has a form for a new language" do
+      get "/languages/new"
+      expect(response.body).to have_selector(%(input[name="language[name]"]))
+    end
+  end
+
+  describe "POST :create" do
+    it "redirect to languages_path on success" do
+      post "/languages", params: { language: { name: "Test Name" } }
+      expect(response).to redirect_to(languages_path)
+    end
+
+    it "creates a new language" do
+      post "/languages", params: { language: { name: "Test Name" } }
+      expect(Language.count).to eq(1)
+    end
+
+    it "requires a name for a new language" do
+      post "/languages", params: { language: { name: nil } }
+      expect(response).to have_http_status(:unprocessable_entity)
+    end
+  end
+
+  describe "GET :edit" do
+    before :each do
+      @language = FactoryBot.create(:language)
+      get "/languages/#{@language.id}/edit"
+    end
+
+    it "returns http success" do
+      expect(response).to have_http_status(:success)
+    end
+
+    it "has a form to edit language" do
+      expect(response.body).to have_selector(%(input[name="language[name]"]))
+    end
+  end
+
+  describe "PATCH :update" do
+    before :each do
+      @language = FactoryBot.create(:language)
+      @params = { language: { name: "Test Name Update" } }
+    end
+
+    it "updates a language" do
+      patch "/languages/#{@language.id}", params: @params
+      expect(response).to redirect_to(languages_path)
+    end
+
+    it "requires params to update a language" do
+      @params = { language: { name: nil, invalid: "oh no" } }
+      patch "/languages/#{@language.id}", params: @params
+      expect(response).to have_http_status(:unprocessable_entity)
+    end
+
+  end
+
+  describe "DELETE :destroy" do
+    it "deletes a language" do
+      language = FactoryBot.create(:language)
+      language2 = FactoryBot.create(:language)
+      delete "/languages/#{language.id}"
+      expect(Language.all).to eq([language2])
+    end
+  end
+end

spec/requests/root_spec.rb

@@ -27,6 +27,12 @@ RSpec.describe "Root path", type: :request do
       expect(response.body).to include("Sign Out")
     end
 
+    it "should have the 'Languages' link" do
+      sign_in FactoryBot.create(:user)
+      get root_path
+      expect(response.body).to have_selector(%(a[href="#{languages_path}"]))
+    end
+
     it "should welcome user by username" do
       user = FactoryBot.create(:user)
       sign_in user

spec/requests/words_spec.rb

@@ -1,11 +0,0 @@
-require 'rails_helper'
-
-RSpec.describe "Words", type: :request do
-  describe "GET /index" do
-
-    it "renders the index template" do
-      get "/words"
-      expect(response).to render_template(:index)
-    end
-  end
-end