First Homework

homework/podcasting/.rspec

@@ -0,0 +1 @@
+--require spec_helper

homework/podcasting/Gemfile

@@ -49,6 +49,9 @@ group :development, :test do
 
   # Omakase Ruby styling [https://github.com/rails/rubocop-rails-omakase/]
   gem "rubocop-rails-omakase", require: false
+
+  gem "rspec-rails"
+  gem "factory_bot", "~> 6.5"
 end
 
 group :development do

homework/podcasting/Gemfile.lock

@@ -103,12 +103,15 @@ GEM
     debug (1.10.0)
       irb (~> 1.10)
       reline (>= 0.3.8)
+    diff-lcs (1.6.0)
     dotenv (3.1.7)
     drb (2.2.1)
     ed25519 (1.3.0)
     erubi (1.13.1)
     et-orbi (1.2.11)
       tzinfo
+    factory_bot (6.5.1)
+      activesupport (>= 6.1.0)
     fugit (1.11.1)
       et-orbi (~> 1, >= 1.2.11)
       raabro (~> 1.4)
@@ -253,6 +256,23 @@ GEM
     reline (0.6.0)
       io-console (~> 0.5)
     rexml (3.4.1)
+    rspec-core (3.13.3)
+      rspec-support (~> 3.13.0)
+    rspec-expectations (3.13.3)
+      diff-lcs (>= 1.2.0, < 2.0)
+      rspec-support (~> 3.13.0)
+    rspec-mocks (3.13.2)
+      diff-lcs (>= 1.2.0, < 2.0)
+      rspec-support (~> 3.13.0)
+    rspec-rails (7.1.1)
+      actionpack (>= 7.0)
+      activesupport (>= 7.0)
+      railties (>= 7.0)
+      rspec-core (~> 3.13)
+      rspec-expectations (~> 3.13)
+      rspec-mocks (~> 3.13)
+      rspec-support (~> 3.13)
+    rspec-support (3.13.2)
     rubocop (1.73.1)
       json (~> 2.3)
       language_server-protocol (~> 3.17.0.2)
@@ -371,12 +391,14 @@ DEPENDENCIES
   brakeman
   capybara
   debug
+  factory_bot (~> 6.5)
   importmap-rails
   jbuilder
   kamal
   propshaft
   puma (>= 5.0)
   rails (~> 8.0.1)
+  rspec-rails
   rubocop-rails-omakase
   selenium-webdriver
   solid_cable

homework/podcasting/app/models/comment.rb

@@ -0,0 +1,4 @@
+class Comment < ApplicationRecord
+  belongs_to :episode
+  belongs_to :user
+end

homework/podcasting/app/models/episode.rb

@@ -4,9 +4,28 @@ class Episode < ApplicationRecord
 
   belongs_to :podcast
   has_many :likes
+  has_many :comments
+  has_many :play_stats
 
   scope :published, -> { where(status: :published) }
   scope :popular, -> { joins(:likes) }
+  scope :played, -> { joins(:play_stats).where(play_stats: { is_finished: true }) }
+
+  def like(user)
+    Like.create(user: user, episode: self)
+  end
+
+  def unlike(user)
+    Like.delete_by(user: user, episode: self)
+  end
+
+  def add_comment(user, text)
+    Comment.create(user: user, text: text, episode: self)
+  end
+
+  def del_comment(user)
+    Comment.delete_by(user: user, episode: self)
+  end
 
   def publish
     self.status = "published"
@@ -24,6 +43,14 @@ def draft?
     self.status == "draft"
   end
 
+  def unpublish
+    self.status = "unpublished"
+  end
+
+  def unpublished?
+    self.status == "unpublished"
+  end
+
   def podcast_not_archived
     return if podcast.nil?
 

homework/podcasting/app/models/like.rb

@@ -1,3 +1,4 @@
 class Like < ApplicationRecord
   belongs_to :episode
+  belongs_to :user
 end

homework/podcasting/app/models/play_stat.rb

@@ -0,0 +1,4 @@
+class PlayStat < ApplicationRecord
+  belongs_to :episode
+  belongs_to :user
+end

homework/podcasting/app/models/podcast.rb

@@ -1,4 +1,5 @@
 class Podcast < ApplicationRecord
+
   validates :title, presence: true
   validate :author_not_blocked
 
@@ -30,6 +31,16 @@ def add_draft(episode)
     episode.draft
   end
 
+  def unpublish(episode)
+    return unless episodes.include?(episode)
+    episode.unpublish
+  end
+
+  def destroy_episode(episode)
+    return unless episodes.include?(episode)
+    episodes.destroy(episode)
+  end
+
   def archived?
     status == "archived"
   end

homework/podcasting/app/models/user.rb

@@ -1,6 +1,8 @@
 class User < ApplicationRecord
   has_one :account, autosave: true
   has_many :likes
+  has_many :comments
+  has_many :play_stats
 
   def block
     self.blocked = true

homework/podcasting/db/migrate/20250303121224_create_comments.rb

@@ -0,0 +1,11 @@
+class CreateComments < ActiveRecord::Migration[8.0]
+  def change
+    create_table :comments do |t|
+      t.references :episode, null: false, foreign_key: true
+      t.references :user, null: false, foreign_key: true
+      t.text :text
+
+      t.timestamps
+    end
+  end
+end

homework/podcasting/db/migrate/20250303123454_create_play_stats.rb

@@ -0,0 +1,12 @@
+class CreatePlayStats < ActiveRecord::Migration[8.0]
+  def change
+    create_table :play_stats do |t|
+      t.references :episode, null: false, foreign_key: true
+      t.references :user, null: false, foreign_key: true
+      t.integer :position
+      t.boolean :is_finished, default: false
+
+      t.timestamps
+    end
+  end
+end

homework/podcasting/spec/factories/accounts.rb

@@ -0,0 +1,4 @@
+FactoryBot.define do
+  factory :account do
+  end
+end

homework/podcasting/spec/factories/episodes.rb

@@ -0,0 +1,27 @@
+FactoryBot.define do
+  factory :episode do
+    title { 'Episode One' }
+
+    trait :with_podcast do
+      association :podcast, factory: :podcast
+    end
+
+    trait :with_archived_podcast do
+      association :podcast, factory: :podcast_archived
+    end
+
+    trait :with_status_published do
+      status { 'published' }
+    end
+
+    trait :with_status_draft do
+      status { 'draft' }
+    end
+
+    trait :with_status_unpublished do
+      status { 'unpublished' }
+    end
+  end
+
+  factory :episode_with_podcast, parent: :episode, traits: [:with_podcast]
+end

homework/podcasting/spec/factories/play_stats.rb

@@ -0,0 +1,8 @@
+FactoryBot.define do
+  factory :play_stat do
+    association :episode, factory: :episode_with_podcast
+    association :user, factory: :user
+    position { 0 }
+    is_finished { false }
+  end
+end

homework/podcasting/spec/factories/podcasts.rb

@@ -0,0 +1,33 @@
+FactoryBot.define do
+  factory :podcast do
+    status { 'new' }
+    title { 'New title' }
+    association :author, factory: :author
+
+    trait :with_archived_status do
+      status { 'archived' }
+    end
+
+    trait :with_nil_title do
+      title { nil }
+    end
+
+    trait :with_empty_title do
+      title { '' }
+    end
+
+    trait :without_author do
+      author { nil }
+    end
+
+    trait :with_author_without_account do
+      association :author, factory: :author_without_account
+    end
+
+    trait :with_blocked_author do
+      association :author, factory: :author_blocked
+    end
+  end
+
+  factory :podcast_archived, parent: :podcast, traits: [:with_archived_status]
+end

homework/podcasting/spec/factories/users.rb

@@ -0,0 +1,17 @@
+FactoryBot.define do
+  factory :user, aliases: [:author, :subscriber, :no_subscriber] do
+    name { "John Marston" }
+    association :account, factory: :account
+
+    trait :blocked do
+      blocked { true }
+    end
+
+    trait :without_account do
+      account { nil }
+    end
+  end
+
+  factory :author_blocked, parent: :user, traits: [:blocked]
+  factory :author_without_account, parent: :user, traits: [:without_account]
+end