Implement YAML parsing, create CRUD show and index pages

app/controllers/moirai/translation_files_controller.rb

@@ -0,0 +1,64 @@
+require "cgi"
+require "digest"
+
+module Moirai
+  class TranslationFilesController < ApplicationController
+    before_action :load_file_paths, only: [:index, :show]
+    before_action :generate_file_hashes, only: [:index, :show]
+
+    def index
+      @files = @file_paths.map do |path|
+        {
+          id: Digest::SHA256.hexdigest(path),
+          name: File.basename(path),
+          path: path
+        }
+      end
+    end
+
+    def show
+      @file_path = @file_hashes[params[:id]]
+      decoded_path = CGI.unescape(@file_path)
+      @translation_keys = parse_file(decoded_path)
+    end
+
+    private
+
+    def load_file_paths
+      i18n_file_paths = I18n.load_path
+      @file_paths = i18n_file_paths.select { |path| path.end_with?(".yml", ".yaml") }
+    end
+
+    def generate_file_hashes
+      @file_hashes = @file_paths.map { |path| [Digest::SHA256.hexdigest(path), path] }.to_h
+    end
+
+    def parse_file(path)
+      yaml_content = YAML.load_file(path)
+      root_key = yaml_content.keys.first
+      flatten_hash(yaml_content[root_key])
+    end
+
+    def flatten_hash(hash, parent_key = "", result = {})
+      hash.each do |key, value|
+        new_key = parent_key.empty? ? key.to_s : "#{parent_key}.#{key}"
+        case value
+        when Hash
+          flatten_hash(value, new_key, result)
+        when Array
+          value.each_with_index do |item, index|
+            array_key = "#{new_key}.#{index}"
+            if item.is_a?(Hash)
+              flatten_hash(item, array_key, result)
+            else
+              result[array_key] = item
+            end
+          end
+        else
+          result[new_key] = value
+        end
+      end
+      result
+    end
+  end
+end

app/views/moirai/translation_files/index.html.erb

@@ -0,0 +1,9 @@
+<h1>Translation files</h1>
+
+<ul>
+  <% @files.each do |file| %>
+    <li>
+      <%= link_to (file[:path]), translation_file_path(file[:id]) %>
+    </li>
+  <% end %>
+</ul>

app/views/moirai/translation_files/show.html.erb

@@ -0,0 +1,19 @@
+<h1><%= @file_path %></h1>
+
+<table>
+  <thead>
+    <tr>
+      <td>Key</td>
+      <td>Value</td>
+      <td></td>
+    </tr>
+  </thead>
+  <tbody>
+    <% @translation_keys.each do |key, value| %>
+      <tr>
+        <td><%= key %><td>
+        <td><%= value %><td>
+      </tr>
+    <% end %>
+  </tbody>
+</table>

config/routes.rb

@@ -2,4 +2,6 @@
 
 Moirai::Engine.routes.draw do
   root to: "pages#index"
+
+  resources :translation_files, only: %i[index show]
 end