feat(faq): list FAQs

app/controllers/faq_controller.rb

@@ -3,6 +3,10 @@
 class FAQController < ApplicationController
   before_action :load_faq_data, only: :show
 
+  def index
+    @faqs = loader_service.all
+  end
+
   def show
     @renderer = Redcarpet::Markdown.new(
       Redcarpet::BareRenderer.new(class_names_map: { list: 'fr-ol-content--override' })

app/services/faqs_loader_service.rb

@@ -22,6 +22,16 @@ class FAQsLoaderService
       .group_by { |faq| faq[:subcategory] }
    end
 
+  def all
+    @faqs_by_path.values
+      .group_by { |faq| faq.fetch(:category) }
+      .sort_by { |category, _| ORDER.index(category) || ORDER.size }
+      .to_h
+      .transform_values do |faqs|
+        faqs.group_by { |faq| faq.fetch(:subcategory) }
+      end
+  end
+
   private
 
   def load_faqs

app/views/faq/index.html.haml

@@ -0,0 +1,25 @@
+- content_for(:title, t('.meta_title'))
+
+.fr-container.fr-my-4w
+  .fr-grid-row
+    .fr-col-12.fr-col-md-10
+      %h1= t('.title', app_name: Current.application_name)
+
+      - @faqs.each do |category, subcategories|
+        %h2= t(:name, scope: [:faq, :categories, category], raise: true)
+        %p= t(:description, scope: [:faq, :categories, category], raise: true)
+
+        .fr-accordions-group.fr-mb-6w
+          - subcategories.each_with_index do |(subcategory, faqs), index|
+            %section.fr-accordion
+              %h3.fr-accordion__title
+                %button.fr-accordion__btn{ 'aria-expanded': "false", 'aria-controls': "accordion-#{category}-#{index}" }
+                  = t(:name, scope: [:faq, :subcategories, subcategory], raise: true)
+
+              .fr-collapse{ id: "accordion-#{category}-#{index}" }
+                - description = t(:description, scope: [:faq, :subcategories, subcategory], default: nil)
+                %p= description if description.present?
+
+                %ul
+                  - faqs.each do |faq|
+                    %li= link_to faq[:title], faq_path(category: faq[:category], slug: faq[:slug]), class: "fr-link"

config/locales/faqs.fr.yml

@@ -1,5 +1,8 @@
 fr:
   faq:
+    index:
+      meta_title: "Foire aux Questions"
+      title: Foire aux Questions (FAQ) de %{app_name}
     sidebar_button: Dans cette Foire Aux Questions
     categories:
       usager:

config/routes.rb

@@ -715,6 +715,7 @@ Rails.application.routes.draw do
 
   resources :release_notes, only: [:index]
 
+  resources :faq, only: [:index]
   get '/faq/:category/:slug', to: 'faq#show', as: :faq
 
   get '/404', to: 'errors#not_found'