Add project files

openai_text_to_speech_with_rails/Gemfile

@@ -4,6 +4,8 @@ ruby "3.2.2"
 
 # Bundle edge Rails instead: gem "rails", github: "rails/rails", branch: "main"
 gem "rails", "~> 7.1.2"
+gem "webmock"
+gem "ruby-openai"
 
 # The original asset pipeline for Rails [https://github.com/rails/sprockets-rails]
 gem "sprockets-rails"

openai_text_to_speech_with_rails/Gemfile.lock

@@ -94,6 +94,8 @@ GEM
       xpath (~> 3.2)
     concurrent-ruby (1.2.2)
     connection_pool (2.4.1)
+    crack (0.4.5)
+      rexml
     crass (1.0.6)
     date (3.3.4)
     debug (1.8.0)
@@ -102,8 +104,17 @@ GEM
     drb (2.2.0)
       ruby2_keywords
     erubi (1.12.0)
+    event_stream_parser (1.0.0)
+    faraday (2.7.12)
+      base64
+      faraday-net_http (>= 2.0, < 3.1)
+      ruby2_keywords (>= 0.0.4)
+    faraday-multipart (1.0.4)
+      multipart-post (~> 2)
+    faraday-net_http (3.0.2)
     globalid (1.2.1)
       activesupport (>= 6.1)
+    hashdiff (1.0.1)
     i18n (1.14.1)
       concurrent-ruby (~> 1.0)
     importmap-rails (1.2.3)
@@ -130,6 +141,7 @@ GEM
     mini_mime (1.1.5)
     minitest (5.20.0)
     msgpack (1.7.2)
+    multipart-post (2.3.0)
     mutex_m (0.2.0)
     net-imap (0.4.7)
       date
@@ -201,6 +213,10 @@ GEM
     reline (0.4.1)
       io-console (~> 0.5)
     rexml (3.2.6)
+    ruby-openai (6.3.0)
+      event_stream_parser (>= 0.3.0, < 2.0.0)
+      faraday (>= 1)
+      faraday-multipart (>= 1)
     ruby2_keywords (0.0.5)
     rubyzip (2.3.2)
     selenium-webdriver (4.15.0)
@@ -233,6 +249,10 @@ GEM
       activemodel (>= 6.0.0)
       bindex (>= 0.4.0)
       railties (>= 6.0.0)
+    webmock (3.19.1)
+      addressable (>= 2.8.0)
+      crack (>= 0.3.2)
+      hashdiff (>= 0.4.0, < 2.0.0)
     webrick (1.8.1)
     websocket (1.2.10)
     websocket-driver (0.7.6)
@@ -256,13 +276,15 @@ DEPENDENCIES
   puma (>= 5.0)
   rails (~> 7.1.2)
   redis (>= 4.0.1)
+  ruby-openai
   selenium-webdriver
   sprockets-rails
   sqlite3 (~> 1.4)
   stimulus-rails
   turbo-rails
   tzinfo-data
   web-console
+  webmock
 
 RUBY VERSION
    ruby 3.2.2p53

openai_text_to_speech_with_rails/README.md

@@ -1,24 +1,18 @@
-# README
+# OpenAI TTS with Rails
 
-This README would normally document whatever steps are necessary to get the
-application up and running.
+Read more about the project in the actual blogpost: http://localhost:1313/posts/using-the-openai-text-to-speech-api-with-rails/
 
-Things you may want to cover:
+## Setup
 
-* Ruby version
+1. Run `bin/setup`.
+2. Run `rails credentials:edit --environment development` and provide your own OpenAI API token `open_ai_access_token: <yourtokengoeshere>`
+3. Run `rails server`
+4. Visit [/articles](localhost:3000/articles)
 
-* System dependencies
+Have fun!
 
-* Configuration
+## Tests
 
-* Database creation
-
-* Database initialization
-
-* How to run the test suite
-
-* Services (job queues, cache servers, search engines, etc.)
-
-* Deployment instructions
-
-* ...
+1. Run `bin/setup`.
+2. Run `rails credentials:edit --environment test` and add `open_ai_access_token: test`
+3. Run `rails test`

openai_text_to_speech_with_rails/app/controllers/articles_controller.rb

@@ -0,0 +1,70 @@
+class ArticlesController < ApplicationController
+  before_action :set_article, only: %i[ show edit update destroy ]
+
+  # GET /articles or /articles.json
+  def index
+    @articles = Article.all
+  end
+
+  # GET /articles/1 or /articles/1.json
+  def show
+  end
+
+  # GET /articles/new
+  def new
+    @article = Article.new
+  end
+
+  # GET /articles/1/edit
+  def edit
+  end
+
+  # POST /articles or /articles.json
+  def create
+    @article = Article.new(article_params)
+
+    respond_to do |format|
+      if @article.save
+        format.html { redirect_to article_url(https://github.com/@article), notice: "Article was successfully created." }
+        format.json { render :show, status: :created, location: @article }
+      else
+        format.html { render :new, status: :unprocessable_entity }
+        format.json { render json: @article.errors, status: :unprocessable_entity }
+      end
+    end
+  end
+
+  # PATCH/PUT /articles/1 or /articles/1.json
+  def update
+    respond_to do |format|
+      if @article.update(article_params)
+        format.html { redirect_to article_url(https://github.com/@article), notice: "Article was successfully updated." }
+        format.json { render :show, status: :ok, location: @article }
+      else
+        format.html { render :edit, status: :unprocessable_entity }
+        format.json { render json: @article.errors, status: :unprocessable_entity }
+      end
+    end
+  end
+
+  # DELETE /articles/1 or /articles/1.json
+  def destroy
+    @article.destroy!
+
+    respond_to do |format|
+      format.html { redirect_to articles_url, notice: "Article was successfully destroyed." }
+      format.json { head :no_content }
+    end
+  end
+
+  private
+    # Use callbacks to share common setup or constraints between actions.
+    def set_article
+      @article = Article.find(params[:id])
+    end
+
+    # Only allow a list of trusted parameters through.
+    def article_params
+      params.require(:article).permit(:content)
+    end
+end

openai_text_to_speech_with_rails/app/helpers/articles_helper.rb

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

openai_text_to_speech_with_rails/app/jobs/text_to_speech_job.rb

@@ -0,0 +1,12 @@
+class TextToSpeechJob < ApplicationJob
+  queue_as :default
+  retry_on Faraday::Error, wait: :polynomially_longer, attempts: 10
+
+  def perform(article)
+    response = TextToSpeech.new.speech(article.content)
+    article.audio.attach(
+      io: StringIO.new(response, 'rb'),
+      filename: "article--#{article.id}.mp3"
+    )
+  end
+end

openai_text_to_speech_with_rails/app/models/article.rb

@@ -0,0 +1,13 @@
+class Article < ApplicationRecord
+  broadcasts
+
+  has_one_attached :audio
+
+  after_commit :generate_audio_content_mp3, if: :content_previously_changed?
+
+  private
+
+  def generate_audio_content_mp3
+    TextToSpeechJob.perform_later(self)
+  end
+end

openai_text_to_speech_with_rails/app/models/text_to_speech.rb

@@ -0,0 +1,16 @@
+class TextToSpeech
+  def initialize
+    @client = OpenAI::Client.new(access_token: Rails.application.credentials.open_ai_access_token)
+  end
+
+  def speech(text)
+    @client.audio.speech(
+      parameters: {
+        model: "tts-1-hd",
+        input: text,
+        voice: "echo",
+        speed: 0.95
+      }
+    )
+  end
+end

openai_text_to_speech_with_rails/app/views/articles/_article.html.erb

@@ -0,0 +1,9 @@
+<div id="<%= dom_id article %>">
+  <%= simple_format article.content %>
+
+  <% if article.audio.attached? %>
+    <%= audio_tag article.audio, controls: true %>
+  <% else %>
+    <p>Audio is generating...</p>
+  <% end %>
+</div>

openai_text_to_speech_with_rails/app/views/articles/_article.json.jbuilder

@@ -0,0 +1,2 @@
+json.extract! article, :id, :content, :created_at, :updated_at
+json.url article_url(https://github.com/article,%20format:%20:json)

openai_text_to_speech_with_rails/app/views/articles/_form.html.erb

@@ -0,0 +1,22 @@
+<%= form_with(model: article) do |form| %>
+  <% if article.errors.any? %>
+    <div style="color: red">
+      <h2><%= pluralize(article.errors.count, "error") %> prohibited this article from being saved:</h2>
+
+      <ul>
+        <% article.errors.each do |error| %>
+          <li><%= error.full_message %></li>
+        <% end %>
+      </ul>
+    </div>
+  <% end %>
+
+  <div>
+    <%= form.label :content, style: "display: block" %>
+    <%= form.text_area :content %>
+  </div>
+
+  <div>
+    <%= form.submit %>
+  </div>
+<% end %>

openai_text_to_speech_with_rails/app/views/articles/edit.html.erb

@@ -0,0 +1,10 @@
+<h1>Editing article</h1>
+
+<%= render "form", article: @article %>
+
+<br>
+
+<div>
+  <%= link_to "Show this article", @article %> |
+  <%= link_to "Back to articles", articles_path %>
+</div>

openai_text_to_speech_with_rails/app/views/articles/index.html.erb

@@ -0,0 +1,14 @@
+<p style="color: green"><%= notice %></p>
+
+<h1>Articles</h1>
+
+<div id="articles">
+  <% @articles.each do |article| %>
+    <%= render article %>
+    <p>
+      <%= link_to "Show this article", article %>
+    </p>
+  <% end %>
+</div>
+
+<%= link_to "New article", new_article_path %>

openai_text_to_speech_with_rails/app/views/articles/index.json.jbuilder

@@ -0,0 +1 @@
+json.array! @articles, partial: "articles/article", as: :article

openai_text_to_speech_with_rails/app/views/articles/new.html.erb

@@ -0,0 +1,9 @@
+<h1>New article</h1>
+
+<%= render "form", article: @article %>
+
+<br>
+
+<div>
+  <%= link_to "Back to articles", articles_path %>
+</div>

openai_text_to_speech_with_rails/app/views/articles/show.html.erb

@@ -0,0 +1,11 @@
+<%= turbo_stream_from(@article) %>
+<p style="color: green"><%= notice %></p>
+
+<%= render @article %>
+
+<div>
+  <%= link_to "Edit this article", edit_article_path(@article) %> |
+  <%= link_to "Back to articles", articles_path %>
+
+  <%= button_to "Destroy this article", @article, method: :delete %>
+</div>

openai_text_to_speech_with_rails/app/views/articles/show.json.jbuilder

@@ -0,0 +1 @@
+json.partial! "articles/article", article: @article

openai_text_to_speech_with_rails/bin/setup

@@ -17,11 +17,6 @@ FileUtils.chdir APP_ROOT do
   system! "gem install bundler --conservative"
   system("bundle check") || system!("bundle install")
 
-  # puts "\n== Copying sample files =="
-  # unless File.exist?("config/database.yml")
-  #   FileUtils.cp "config/database.yml.sample", "config/database.yml"
-  # end
-
   puts "\n== Preparing database =="
   system! "bin/rails db:prepare"
 

openai_text_to_speech_with_rails/config/environments/development.rb

@@ -73,4 +73,9 @@
 
   # Raise error when a before_action's only/except options reference missing actions
   config.action_controller.raise_on_missing_callback_actions = true
+
+  config.action_controller.default_url_options = {
+    host: 'localhost',
+    port: '3000',
+  }
 end

openai_text_to_speech_with_rails/config/routes.rb

@@ -1,4 +1,5 @@
 Rails.application.routes.draw do
+  resources :articles
   # 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.

openai_text_to_speech_with_rails/db/migrate/20231130212433_create_articles.rb

@@ -0,0 +1,9 @@
+class CreateArticles < ActiveRecord::Migration[7.1]
+  def change
+    create_table :articles do |t|
+      t.text :content
+
+      t.timestamps
+    end
+  end
+end