switch to pagy for pagination

app/controllers/application_controller.rb

@@ -1,5 +1,6 @@
 class ApplicationController < ActionController::Base
   include BotBlocker
+  include Pagy::Backend
 
   # Changes to the importmap will invalidate the etag for HTML responses
   stale_when_importmap_changes

app/controllers/entries_controller.rb

@@ -6,8 +6,6 @@ class EntriesController < ApplicationController
     @category = params[:category].presence
     @query = params[:q].to_s.strip
     @starts_with = params[:starts_with].presence
-    @page = [ params[:page].to_i, 1 ].max
-    @per_page = 25
 
     entries_scope = Entry.active_entries
     entries_scope = entries_scope.with_category(@category)
@@ -16,9 +14,8 @@ class EntriesController < ApplicationController
     entries_scope = entries_scope.alphabetical_for(@language_code) if @query.blank? && @starts_with.blank? && @language_code.present?
     entries_scope = entries_scope.order(created_at: :desc) if entries_scope.order_values.empty?
 
-    @total_entries = entries_scope.count
-    @total_pages = (@total_entries.to_f / @per_page).ceil
-    @entries = entries_scope.offset((@page - 1) * @per_page).limit(@per_page)
+    @pagy, @entries = pagy(entries_scope, items: 25)
+    @total_entries = @pagy.count
 
     @entry_count = Entry.active_entries.count
     @requested_count = Entry.requested.count