add /comments/latest route

app/assets/stylesheets/parts/content.scss

@@ -1,6 +1,7 @@
 /* contenu du site (hors commentaire) */
 article,
 ul.threads > li.comment,
+ul.comments_list > li.comment,
 .markdown_cheatsheet,
 #contents > form,
 form#new_post,
@@ -30,6 +31,10 @@ body#wiki_pages-changes #contents {
   font-size: 1em;
 }
 
+#contents > ul.comments_list {
+  padding: 0;
+}
+
 article {
   position: relative;
   header {

app/controllers/comments_controller.rb

@@ -1,8 +1,8 @@
 # encoding: UTF-8
 class CommentsController < ApplicationController
-  before_action :authenticate_account!, except: [:index, :show]
-  before_action :find_node, except: [:templeet]
-  before_action :find_comment, except: [:index, :new, :answer, :create, :templeet]
+  before_action :authenticate_account!, except: [:index, :show, :latest]
+  before_action :find_node, except: [:templeet, :latest]
+  before_action :find_comment, except: [:index, :new, :answer, :create, :templeet, :latest]
 
   def index
     @comments = @node.comments.published.order('id DESC')
@@ -12,6 +12,16 @@ def index
     end
   end
 
+  def latest
+    @comments = Comment.latest.
+      page(params[:page]).
+      order(created_at: :desc)
+    respond_to do |wants|
+      wants.html
+      wants.atom
+    end
+  end
+
   def show
     enforce_view_permission(@comment)
   end

app/models/comment.rb

@@ -39,6 +39,11 @@ class Comment < ActiveRecord::Base
       limit(12).
       select([:id, :node_id, :title])
   }
+  scope :latest, -> {
+    where(["created_at >= ?", Date.current - 7.day])
+  }
+
+  paginates_per 50
 
   validates :title,     presence: { message: "Le titre est obligatoire" },
                         length: { maximum: 100, message: "Le titre est trop long" }

app/views/comments/latest.atom.builder

@@ -0,0 +1,25 @@
+atom_feed(:root_url => comments_latest_url) do |feed|
+  feed.title("LinuxFr.org : les derniers commentaires")
+  feed.updated(@comments.first.try :created_at)
+  feed.icon("/favicon.png")
+
+  @comments.each do |comment|
+    feed.entry(comment, :url => "#{url_for_content comment.node.content}#comment-#{comment.id}") do |entry|
+      in_response_to = content_tag(:p,
+        content_tag(:em,
+          "En réponse #{translate_to_content_type comment.content_type} #{link_to comment.node.content.title, path_for_content(comment.node.content)}.".html_safe
+        )
+      )
+      if comment.deleted?
+        entry.title("Commentaire supprimé")
+        entry.content("#{content_tag(:p, "Commentaire supprimé")} #{in_response_to}", :type => 'html')
+      else
+        entry.title(comment.title)
+        entry.content("#{comment.body} #{in_response_to}", :type => 'html')
+      end
+      entry.author do |author|
+        author.name(comment.user_name)
+      end
+    end
+  end
+end

app/views/comments/latest.html.haml

@@ -0,0 +1,15 @@
+= h1 "Les derniers commentaires"
+- feed "Flux Atom des derniers commentaires"
+%nav.toolbox
+  .follow_feed
+    = link_to "Flux Atom des derniers commentaires", "latest.atom"
+  -# order is not managed, but order_navbar is required due to float property on follow_feed div
+  .order_navbar
+     
+%main#contents(role="main")
+  %ul.comments_list
+    - @comments.each do |comment|
+      %li.comment(id="comment-#{comment.id}")
+        = render comment
+%nav.toolbox
+  = paginate(@comments, inner_window:10)

app/views/moderation/news/index.html.haml

@@ -28,6 +28,9 @@
 %h2
   = link_to "Étiquettes publiques", moderation_tags_path
 
+%h2
+  = link_to "Derniers commentaires", comments_latest_path
+
 %h2
   = link_to "Sondages", moderation_polls_path
 - if @polls.empty?

config/routes.rb

@@ -58,6 +58,7 @@
   # Nodes
   get "/tableau-de-bord" => "dashboard#index", as: :dashboard
   get "/tableau-de-bord/reponses" => "dashboard#answers"
+  get "/comments/latest" => "comments#latest"
   get "/comments/:id(,:d)(.html)" => "comments#templeet"
   resources :nodes, only: [] do
     resources :comments do

db/migrate/20210913191843_add_index_on_created_at_to_comments.rb

@@ -0,0 +1,5 @@
+class AddIndexOnCreatedAtToComments < ActiveRecord::Migration[5.2]
+  def change
+    add_index :comments, [:created_at], order: {created_at: :desc}
+  end
+end

db/schema.rb

@@ -10,7 +10,7 @@
 #
 # It's strongly recommended that you check this file into your version control system.
 
-ActiveRecord::Schema.define(version: 2021_01_31_231806) do
+ActiveRecord::Schema.define(version: 2021_09_13_191843) do
 
   create_table "accounts", id: :integer, options: "ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci", force: :cascade do |t|
     t.integer "user_id"
@@ -93,6 +93,7 @@
     t.text "wiki_body", limit: 16777215
     t.datetime "created_at"
     t.datetime "updated_at"
+    t.index ["created_at"], name: "index_comments_on_created_at"
     t.index ["node_id"], name: "index_comments_on_node_id"
     t.index ["state", "created_at"], name: "index_comments_on_state_and_created_at"
     t.index ["state", "materialized_path"], name: "index_comments_on_state_and_materialized_path", length: { materialized_path: 120 }