From 835af696703484208882a70cc5dd47c5838ecf58 Mon Sep 17 00:00:00 2001
From: Star Rauchenberger <fefferburbia@gmail.com>
Date: Thu, 12 Oct 2023 17:10:34 -0400
Subject: Added blog post commenting

---
 Gemfile                                      |  1 +
 Gemfile.lock                                 |  2 +
 app/assets/stylesheets/main/entries.scss     | 62 ++++++++++++++++++++++++++++
 app/assets/stylesheets/main/layout.scss      |  4 ++
 app/controllers/comments_controller.rb       | 59 ++++++++++++++++++++++++++
 app/helpers/application_helper.rb            | 10 ++++-
 app/helpers/comments_helper.rb               |  5 +++
 app/models/blog.rb                           |  2 +
 app/models/comment.rb                        | 36 ++++++++++++++++
 app/views/blogs/_blog.html.haml              |  2 +-
 app/views/blogs/show.html.haml               |  5 +--
 app/views/comments/_comment.html.haml        | 13 ++++++
 app/views/comments/_form.html.haml           | 23 +++++++++++
 app/views/comments/_layout.html.haml         |  6 +++
 config/akismet.yml                           |  6 +++
 config/deploy.rb                             |  2 +-
 config/initializers/akismet.rb               |  2 +
 config/routes.rb                             |  6 ++-
 db/migrate/20231012190529_create_comments.rb | 15 +++++++
 db/schema.rb                                 | 16 ++++++-
 test/controllers/comments_controller_test.rb |  8 ++++
 test/fixtures/comments.yml                   | 17 ++++++++
 test/models/comment_test.rb                  |  7 ++++
 23 files changed, 299 insertions(+), 10 deletions(-)
 create mode 100644 app/controllers/comments_controller.rb
 create mode 100644 app/helpers/comments_helper.rb
 create mode 100644 app/models/comment.rb
 create mode 100644 app/views/comments/_comment.html.haml
 create mode 100644 app/views/comments/_form.html.haml
 create mode 100644 app/views/comments/_layout.html.haml
 create mode 100644 config/akismet.yml
 create mode 100644 config/initializers/akismet.rb
 create mode 100644 db/migrate/20231012190529_create_comments.rb
 create mode 100644 test/controllers/comments_controller_test.rb
 create mode 100644 test/fixtures/comments.yml
 create mode 100644 test/models/comment_test.rb

diff --git a/Gemfile b/Gemfile
index e467375..47c1ffa 100644
--- a/Gemfile
+++ b/Gemfile
@@ -79,3 +79,4 @@ gem 'lingo', git: "https://git.fourisland.com/lingo", glob: "rails/*.gemspec", b
 gem 'will_paginate', '~> 4.0'
 gem 'redcarpet'
 gem 'rouge'
+gem 'akismet'
diff --git a/Gemfile.lock b/Gemfile.lock
index 3ad7e17..f60e3d6 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -100,6 +100,7 @@ GEM
       public_suffix (>= 2.0.2, < 6.0)
     airbrussh (1.5.0)
       sshkit (>= 1.6.1, != 1.7.0)
+    akismet (3.0.0)
     audited (5.4.0)
       activerecord (>= 5.0, < 7.2)
       request_store (~> 1.2)
@@ -339,6 +340,7 @@ PLATFORMS
 
 DEPENDENCIES
   acts-as-taggable-on
+  akismet
   audited (~> 5.0)
   byebug
   capistrano (~> 3.0)
diff --git a/app/assets/stylesheets/main/entries.scss b/app/assets/stylesheets/main/entries.scss
index 56cd221..5fbd4ef 100644
--- a/app/assets/stylesheets/main/entries.scss
+++ b/app/assets/stylesheets/main/entries.scss
@@ -219,3 +219,65 @@
     margin-left: 1.5em;
   }
 }
+
+.blog-comment {
+  margin: 0 1em;
+
+  .comment-avatar {
+    float: right;
+    margin-top: 1em;
+  }
+}
+
+#comment-form {
+  fieldset {
+    border: 0;
+
+    &#comment-body-field {
+      label {
+        display: none;
+      }
+
+      textarea {
+        margin-top: 1em;
+        width: 99%;
+        height: 6em;
+        resize: none;
+      }
+    }
+
+    &#comment-other-fields {
+      display: table;
+      padding: 1em;
+      width: 75%;
+      margin: 0 auto;
+
+      .comment-field {
+        display: table-row;
+
+        .comment-field-label {
+          text-align: right;
+          display: table-cell;
+          padding-right: 1em;
+          padding-bottom: 1em;
+          width: 50%;
+
+          label:after {
+            content: ":";
+          }
+        }
+
+        .field_with_errors {
+          label {
+            color: red;
+          }
+        }
+
+        .comment-field-input {
+          display: table-cell;
+          width: 50%;
+        }
+      }
+    }
+  }
+}
diff --git a/app/assets/stylesheets/main/layout.scss b/app/assets/stylesheets/main/layout.scss
index 278113a..9283f36 100644
--- a/app/assets/stylesheets/main/layout.scss
+++ b/app/assets/stylesheets/main/layout.scss
@@ -199,3 +199,7 @@ blockquote.bubble.bottom::after {
     text-decoration: underline;
   }
 }
+
+.clear {
+  clear: both;
+}
diff --git a/app/controllers/comments_controller.rb b/app/controllers/comments_controller.rb
new file mode 100644
index 0000000..60c8f6a
--- /dev/null
+++ b/app/controllers/comments_controller.rb
@@ -0,0 +1,59 @@
+class CommentsController < ApplicationController
+  def create
+    @blog = Blog.find_by_slug(params[:slug])
+
+    raise ActiveRecord::RecordNotFound unless @blog
+    raise ActiveRecord::RecordNotFound unless @blog.published
+
+    @comment = @blog.comments.new(comment_params)
+
+    unless @comment.valid?
+      flash.alert = "Error posting comment."
+      render "blogs/show"
+      return
+    end
+
+    akismet_vars = %w{ HTTP_ACCEPT HTTP_ACCEPT_ENCODING }
+    akismet_params = {
+      type: "comment",
+      text: @comment.body,
+      created_at: DateTime.now,
+      author: @comment.username,
+      author_email: @comment.email,
+      author_url: @comment.website,
+      post_url: url_for(@comment.blog),
+      post_modified_at: @comment.blog.updated_at,
+      referrer: request.referrer,
+      env: request.env.slice(*akismet_vars)
+    }
+
+    is_spam, is_blatant = Akismet.check(request.ip, request.user_agent, akismet_params)
+
+    if is_blatant
+      # I am lying.
+      flash.notice = "Comment submitted successfully! It will need to be moderated before it shows up on the blog."
+    else
+      if is_spam
+        @comment.status = :pending
+        flash_message = "Comment submitted successfully! It will need to be moderated before it shows up on the blog."
+      else
+        @comment.status = :published
+        flash_message = "Comment posted successfully!"
+      end
+
+      if @comment.save
+        flash.notice = flash_message
+      else
+        flash.alert = "Error posting comment."
+      end
+    end
+
+    redirect_to @comment.blog
+  end
+
+  private
+
+    def comment_params
+      params.require(:comment).permit(:username, :email, :website, :body)
+    end
+end
diff --git a/app/helpers/application_helper.rb b/app/helpers/application_helper.rb
index 861dd11..14d56cf 100644
--- a/app/helpers/application_helper.rb
+++ b/app/helpers/application_helper.rb
@@ -19,9 +19,15 @@ module ApplicationHelper
     link_to title, {:sort => col, :dir => direction}, {:class => css_class}
   end
 
-  def markdown(text)
+  def markdown(text, params = {})
     options = { fenced_code_blocks: true, highlight: true }
-    Redcarpet::Markdown.new(HTML.new(), options).render(text).html_safe
+
+    html_options = {}
+    if params[:restricted]
+      html_options[:filter_html] = true
+    end
+
+    Redcarpet::Markdown.new(HTML.new(html_options), options).render(text).html_safe
   end
 
 end
diff --git a/app/helpers/comments_helper.rb b/app/helpers/comments_helper.rb
new file mode 100644
index 0000000..5939adc
--- /dev/null
+++ b/app/helpers/comments_helper.rb
@@ -0,0 +1,5 @@
+module CommentsHelper
+  def show_comments(blog)
+    render "comments/layout", blog: blog
+  end
+end
diff --git a/app/models/blog.rb b/app/models/blog.rb
index 415167c..b677e2b 100644
--- a/app/models/blog.rb
+++ b/app/models/blog.rb
@@ -3,6 +3,8 @@ class Blog < ApplicationRecord
 
   acts_as_taggable
 
+  has_many :comments
+
   validates :title, presence: true
   validates :body, presence: true, if: :published
   validates :slug, presence: true, format: /\A[-a-z0-9]+\z/, if: :published
diff --git a/app/models/comment.rb b/app/models/comment.rb
new file mode 100644
index 0000000..9697100
--- /dev/null
+++ b/app/models/comment.rb
@@ -0,0 +1,36 @@
+class Comment < ApplicationRecord
+  extend Enumerize
+
+  belongs_to :blog
+
+  validates :body, presence: true
+  validates :username, presence: true
+  validates :email, presence: true, format: URI::MailTo::EMAIL_REGEXP
+
+  scope :published_and_ordered, -> { where(status: :published).order(published_at: :asc) }
+
+  enumerize :status,
+    in: [:published, :pending, :rejected],
+    default: :published,
+    predicates: true
+
+  before_save :set_published_at
+
+  def gravatar_url
+    hash = Digest::MD5.hexdigest(email)
+    "https://www.gravatar.com/avatar/#{hash}?size=40&default=identicon&rating=g"
+  end
+
+  private
+
+    def set_published_at
+      if self.published?
+        if self.published_at.blank?
+          self.published_at = DateTime.now
+        end
+      else
+        self.published_at = nil
+      end
+    end
+
+end
diff --git a/app/views/blogs/_blog.html.haml b/app/views/blogs/_blog.html.haml
index 26657e7..8972c2e 100644
--- a/app/views/blogs/_blog.html.haml
+++ b/app/views/blogs/_blog.html.haml
@@ -15,4 +15,4 @@
   %cite.bubble
     %strong Hatkirby
     on
-    = blog.published_at.strftime("%m-%d-%Y")
+    = blog.published_at.strftime("%B #{blog.published_at.day.ordinalize}, %Y at %-I:%M:%S%P")
diff --git a/app/views/blogs/show.html.haml b/app/views/blogs/show.html.haml
index 9bff12b..0c549ac 100644
--- a/app/views/blogs/show.html.haml
+++ b/app/views/blogs/show.html.haml
@@ -1,7 +1,4 @@
 - title @blog.title
 .breadcrumb= link_to "← Back to home page", root_path
 = render @blog, short: false
-%footer#blog-footer
-  This entry was posted on
-  = succeed "." do
-    %time= @blog.published_at.strftime("%B #{@blog.published_at.day.ordinalize}, %Y at %-I:%M:%S%P")
+= show_comments(@blog)
diff --git a/app/views/comments/_comment.html.haml b/app/views/comments/_comment.html.haml
new file mode 100644
index 0000000..3e10759
--- /dev/null
+++ b/app/views/comments/_comment.html.haml
@@ -0,0 +1,13 @@
+.blog-comment
+  %blockquote.bubble.rounded.bottom
+    = image_tag comment.gravatar_url, class: "comment-avatar"
+    = markdown(comment.body, { restricted: true })
+    .clear
+  %cite.bubble
+    %strong
+      - if comment.website.empty?
+        = comment.username
+      - else
+        = link_to comment.username, comment.website
+    on
+    = comment.published_at.strftime("%B #{comment.published_at.day.ordinalize}, %Y at %-I:%M:%S%P")
diff --git a/app/views/comments/_form.html.haml b/app/views/comments/_form.html.haml
new file mode 100644
index 0000000..f6df807
--- /dev/null
+++ b/app/views/comments/_form.html.haml
@@ -0,0 +1,23 @@
+= form_for @comment || blog.comments.new, html: { id: "comment-form" } do |f|
+  %fieldset#comment-body-field
+    %blockquote.bubble.rounded.bottom
+      = f.label :body
+      = f.text_area :body
+    %cite.bubble Feel free to post a comment! You may use Markdown.
+  - if @comment and @comment.errors.any?
+    %ul#form-errors
+      - @comment.errors.full_messages.each do |msg|
+        %li= msg
+  %fieldset#comment-other-fields
+    .comment-name-field.comment-field
+      .comment-field-label= f.label :username
+      .comment-field-input= f.text_field :username
+    .comment-email-field.comment-field
+      .comment-field-label= f.label :email
+      .comment-field-input= f.text_field :email, type: :email
+    .comment-website-field.comment-field
+      .comment-field-label= f.label :website, "Website (Optional)"
+      .comment-field-input= f.text_field :website, type: :url
+    .comment-submit-button.comment-field
+      .comment-field-label
+      .comment-field-input= f.submit "Post"
diff --git a/app/views/comments/_layout.html.haml b/app/views/comments/_layout.html.haml
new file mode 100644
index 0000000..9acf6b0
--- /dev/null
+++ b/app/views/comments/_layout.html.haml
@@ -0,0 +1,6 @@
+%a{ name: "comments" }
+#comments
+  %h2 Comments
+  - blog.comments.published_and_ordered.each do |comment|
+    = render comment
+  = render "comments/form", blog: blog
diff --git a/config/akismet.yml b/config/akismet.yml
new file mode 100644
index 0000000..581aa7b
--- /dev/null
+++ b/config/akismet.yml
@@ -0,0 +1,6 @@
+production:
+  api_key: ""
+  app_url: ""
+development:
+  api_key: ""
+  app_url: ""
diff --git a/config/deploy.rb b/config/deploy.rb
index b6cbdf9..cbac23c 100644
--- a/config/deploy.rb
+++ b/config/deploy.rb
@@ -21,7 +21,7 @@ set :deploy_to, "/srv/www/thoughts"
 # set :pty, true
 
 # Default value for :linked_files is []
-append :linked_files, "config/database.yml", "config/secrets.yml", "config/lingo.yml"
+append :linked_files, "config/database.yml", "config/secrets.yml", "config/lingo.yml", "config/akismet.yml"
 
 # Default value for linked_dirs is []
 append :linked_dirs, "log", "tmp/pids", "tmp/cache", "tmp/sockets", "public/uploads"
diff --git a/config/initializers/akismet.rb b/config/initializers/akismet.rb
new file mode 100644
index 0000000..325e48f
--- /dev/null
+++ b/config/initializers/akismet.rb
@@ -0,0 +1,2 @@
+Akismet.api_key = Rails.application.config_for(:akismet)[:api_key]
+Akismet.app_url = Rails.application.config_for(:akismet)[:app_url]
diff --git a/config/routes.rb b/config/routes.rb
index 580cce4..2bae007 100644
--- a/config/routes.rb
+++ b/config/routes.rb
@@ -24,7 +24,11 @@ Rails.application.routes.draw do
 
   root "blogs#summary"
 
-  resources :blogs, only: [:index, :show], param: :slug, path: "blog"
+  resources :blogs, only: [:index, :show], param: :slug, path: "blog" do
+    member do
+      resources :comments, only: [:create]
+    end
+  end
 
   get 'thinks/:slug', to: 'streams#show', as: :stream
 
diff --git a/db/migrate/20231012190529_create_comments.rb b/db/migrate/20231012190529_create_comments.rb
new file mode 100644
index 0000000..3073dd5
--- /dev/null
+++ b/db/migrate/20231012190529_create_comments.rb
@@ -0,0 +1,15 @@
+class CreateComments < ActiveRecord::Migration[7.0]
+  def change
+    create_table :comments do |t|
+      t.references :blog, null: false, foreign_key: true
+      t.string :username
+      t.string :email
+      t.string :website
+      t.text :body
+      t.string :status
+      t.datetime :published_at
+
+      t.timestamps
+    end
+  end
+end
diff --git a/db/schema.rb b/db/schema.rb
index 5b61408..2a9b1df 100644
--- a/db/schema.rb
+++ b/db/schema.rb
@@ -10,7 +10,7 @@
 #
 # It's strongly recommended that you check this file into your version control system.
 
-ActiveRecord::Schema[7.0].define(version: 2022_12_10_175109) do
+ActiveRecord::Schema[7.0].define(version: 2023_10_12_190529) do
   create_table "audits", force: :cascade do |t|
     t.integer "auditable_id"
     t.string "auditable_type"
@@ -56,6 +56,19 @@ ActiveRecord::Schema[7.0].define(version: 2022_12_10_175109) do
     t.index ["type"], name: "index_ckeditor_assets_on_type"
   end
 
+  create_table "comments", force: :cascade do |t|
+    t.integer "blog_id", null: false
+    t.string "username"
+    t.string "email"
+    t.string "website"
+    t.text "body"
+    t.string "status"
+    t.datetime "published_at"
+    t.datetime "created_at", null: false
+    t.datetime "updated_at", null: false
+    t.index ["blog_id"], name: "index_comments_on_blog_id"
+  end
+
   create_table "games", force: :cascade do |t|
     t.string "title"
     t.string "status"
@@ -345,6 +358,7 @@ ActiveRecord::Schema[7.0].define(version: 2022_12_10_175109) do
     t.index ["reset_password_token"], name: "index_users_on_reset_password_token", unique: true
   end
 
+  add_foreign_key "comments", "blogs"
   add_foreign_key "pokeviewer_items", "pokeviewer_moves", column: "move_id"
   add_foreign_key "pokeviewer_pokedex_entries", "pokeviewer_species", column: "species_id"
   add_foreign_key "pokeviewer_pokedex_entries", "pokeviewer_trainers", column: "trainer_id"
diff --git a/test/controllers/comments_controller_test.rb b/test/controllers/comments_controller_test.rb
new file mode 100644
index 0000000..3bcb0dc
--- /dev/null
+++ b/test/controllers/comments_controller_test.rb
@@ -0,0 +1,8 @@
+require "test_helper"
+
+class CommentsControllerTest < ActionDispatch::IntegrationTest
+  test "should get create" do
+    get comments_create_url
+    assert_response :success
+  end
+end
diff --git a/test/fixtures/comments.yml b/test/fixtures/comments.yml
new file mode 100644
index 0000000..1d6475a
--- /dev/null
+++ b/test/fixtures/comments.yml
@@ -0,0 +1,17 @@
+# Read about fixtures at https://api.rubyonrails.org/classes/ActiveRecord/FixtureSet.html
+
+one:
+  blog: one
+  username: MyString
+  email: MyString
+  website: MyString
+  body: MyText
+  status: MyString
+
+two:
+  blog: two
+  username: MyString
+  email: MyString
+  website: MyString
+  body: MyText
+  status: MyString
diff --git a/test/models/comment_test.rb b/test/models/comment_test.rb
new file mode 100644
index 0000000..5a6feda
--- /dev/null
+++ b/test/models/comment_test.rb
@@ -0,0 +1,7 @@
+require "test_helper"
+
+class CommentTest < ActiveSupport::TestCase
+  # test "the truth" do
+  #   assert true
+  # end
+end
-- 
cgit 1.4.1