Add searchable field to page

app/models/alchemy/page.rb

@@ -79,6 +79,7 @@ class Page < BaseRecord
       :restricted,
       :robot_index,
       :robot_follow,
+      :searchable,
       :sitemap,
       :tag_list,
       :title,

app/views/alchemy/admin/pages/_form.html.erb

@@ -19,6 +19,15 @@
   <%= f.input :title,
     input_html: {'data-alchemy-char-counter' => 60} %>
 
+  <% if Alchemy.enable_searchable %>
+    <div class="input check_boxes">
+      <label class="control-label"><%= Alchemy.t(:fulltext_search) %></label>
+      <div class="control_group">
+        <%= page_status_checkbox(@page, :searchable) %>
+      </div>
+    </div>
+  <% end %>
+
   <div class="input check_boxes">
     <label class="control-label"><%= Alchemy.t(:search_engines) %></label>
     <div class="control_group">

config/locales/alchemy.en.yml

@@ -582,6 +582,7 @@ en:
     saved_link: "Link saved."
     search: "search"
     search_engines: "Search engines"
+    fulltext_search: "Fulltext search"
     select_element: "Select element"
     seperate_tags_with_comma: "Seperate tags with comma"
     show_element_content: "Show content of this element."
@@ -865,6 +866,7 @@ en:
         page_layout: "Page type"
         public: "public"
         restricted: "restricted"
+        searchable: "show in search"
         robot_follow: "robot may follow links"
         robot_index: "allow robot to index"
         sitemap: "visible in sitemap"

db/migrate/20230123112425_add_searchable_to_alchemy_pages.rb

@@ -0,0 +1,9 @@
+# frozen_string_literal: true
+
+class AddSearchableToAlchemyPages < ActiveRecord::Migration[6.0]
+  def change
+    return if column_exists?(:alchemy_pages, :searchable)
+
+    add_column :alchemy_pages, :searchable, :boolean, default: true, null: false
+  end
+end

lib/alchemy.rb

@@ -65,4 +65,17 @@ def self.preview_sources=(sources)
   def self.publish_targets
     @_publish_targets ||= Set.new
   end
+
+  # Enable full text search configuration
+  #
+  # It enables a searchable checkbox in the page form to toggle
+  # the searchable field. These information can used in a search
+  # plugin (e.g. https://github.com/AlchemyCMS/alchemy-pg_search).
+  #
+  # == Example
+  #
+  #     # config/initializers/alchemy.rb
+  #     Alchemy.enable_searchable = true
+  #
+  mattr_accessor :enable_searchable, default: false
 end

spec/dummy/db/migrate/20230123105660_add_searchable_to_alchemy_pages.alchemy.rb

@@ -0,0 +1,10 @@
+# frozen_string_literal: true
+
+# This migration comes from alchemy (originally 20230123112425)
+class AddSearchableToAlchemyPages < ActiveRecord::Migration[6.0]
+  def change
+    return if column_exists?(:alchemy_pages, :searchable)
+
+    add_column :alchemy_pages, :searchable, :boolean, default: true, null: false
+  end
+end

spec/dummy/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: 2023_01_22_210804) do
+ActiveRecord::Schema[7.0].define(version: 2023_01_23_105660) do
   create_table "alchemy_attachments", force: :cascade do |t|
     t.string "name"
     t.string "file_name"
@@ -172,6 +172,7 @@
     t.datetime "legacy_public_on", precision: nil
     t.datetime "legacy_public_until", precision: nil
     t.datetime "locked_at", precision: nil
+    t.boolean "searchable", default: true, null: false
     t.index ["creator_id"], name: "index_alchemy_pages_on_creator_id"
     t.index ["language_id"], name: "index_alchemy_pages_on_language_id"
     t.index ["locked_at", "locked_by"], name: "index_alchemy_pages_on_locked_at_and_locked_by"

spec/features/admin/page_editing_feature_spec.rb

@@ -111,6 +111,33 @@ class FooPreviewSource < Alchemy::Admin::PreviewUrl; end
             expect(page).to_not have_selector('input[type="checkbox"]#page_sitemap')
           end
         end
+
+        context "enable_searchable" do
+          before do
+            Alchemy.enable_searchable = searchable
+            visit alchemy.configure_admin_page_path(a_page)
+          end
+
+          # reset default value
+          after { Alchemy.enable_searchable = false }
+
+          context "is enabled" do
+            let(:searchable) { true }
+
+            it "should show searchable checkbox" do
+              expect(page).to have_selector('input[type="checkbox"]#page_searchable')
+            end
+          end
+
+          context "is disabled" do
+            let(:searchable) { false }
+
+            it "should not show searchable checkbox" do
+              visit alchemy.configure_admin_page_path(a_page)
+              expect(page).to_not have_selector('input[type="checkbox"]#page_searchable')
+            end
+          end
+        end
       end
 
       context "when editing a global page" do