Migrate from Kaminari to pagy

Gemfile

@@ -19,7 +19,6 @@ gem "good_job", "~> 3.99"
 gem "gravtastic", "~> 3.2"
 gem "honeybadger", "~> 5.5.1", require: false # see https://github.com/rubygems/rubygems.org/pull/4598
 gem "http_accept_language", "~> 2.1"
-gem "kaminari", "~> 1.2"
 gem "launchdarkly-server-sdk", "~> 8.7"
 gem "mail", "~> 2.8"
 gem "octokit", "~> 9.1"

Gemfile.lock

@@ -326,18 +326,6 @@ GEM
       faraday (~> 2.0)
       faraday-follow_redirects
     jwt (2.7.1)
-    kaminari (1.2.2)
-      activesupport (>= 4.1.0)
-      kaminari-actionview (= 1.2.2)
-      kaminari-activerecord (= 1.2.2)
-      kaminari-core (= 1.2.2)
-    kaminari-actionview (1.2.2)
-      actionview
-      kaminari-core (= 1.2.2)
-    kaminari-activerecord (1.2.2)
-      activerecord
-      kaminari-core (= 1.2.2)
-    kaminari-core (1.2.2)
     language_server-protocol (3.17.0.3)
     launchdarkly-server-sdk (8.7.0)
       concurrent-ruby (~> 1.1)
@@ -836,7 +824,6 @@ DEPENDENCIES
   honeybadger (~> 5.5.1)
   http_accept_language (~> 2.1)
   importmap-rails (~> 2.0)
-  kaminari (~> 1.2)
   launchdarkly-server-sdk (~> 8.7)
   launchy (~> 3.0)
   letter_opener (~> 1.10)
@@ -1035,10 +1022,6 @@ CHECKSUMS
   json (2.7.2) sha256=1898b5cbc81cd36c0fd4d0b7ad2682c39fb07c5ff682fc6265f678f550d4982c
   json-jwt (1.16.6) sha256=ab451f9cd8743cecc4137f4170806046c1d8a6d4ee6e8570e0b5c958409b266c
   jwt (2.7.1) sha256=07357cd2f180739b2f8184eda969e252d850ac996ed0a23f616e8ff0a90ae19b
-  kaminari (1.2.2) sha256=c4076ff9adccc6109408333f87b5c4abbda5e39dc464bd4c66d06d9f73442a3e
-  kaminari-actionview (1.2.2) sha256=1330f6fc8b59a4a4ef6a549ff8a224797289ebf7a3a503e8c1652535287cc909
-  kaminari-activerecord (1.2.2) sha256=0dd3a67bab356a356f36b3b7236bcb81cef313095365befe8e98057dd2472430
-  kaminari-core (1.2.2) sha256=3bd26fec7370645af40ca73b9426a448d09b8a8ba7afa9ba3c3e0d39cdbb83ff
   language_server-protocol (3.17.0.3) sha256=3d5c58c02f44a20d972957a9febe386d7e7468ab3900ce6bd2b563dd910c6b3f
   launchdarkly-server-sdk (8.7.0) sha256=062e7dc42c2884ed9deed42c49937917faa911128a659386e4bd45d1ad1506eb
   launchy (3.0.1) sha256=b7fa60bda0197cf57614e271a250a8ca1f6a34ab889a3c73f67ec5d57c8a7f2c

app/assets/stylesheets/modules/nav/nav--paginated.css

@@ -46,32 +46,27 @@
   margin-right: 8px;
   margin-left: 8px; }
 
-.pagination {
+nav.pagy {
   margin-top: 90px;
   position: relative;
   width: 100%;
   overflow: auto;
   text-align: center; }
-  .pagination a, .pagination em {
+  nav.pagy a, nav.pagy em {
     margin-right: 8px;
     margin-left: 8px;
     font-style: normal; }
-  .pagination a {
+  nav.pagy a {
     color: #9da2ab;
     transition-duration: 0.25s;
     transition-property: color;
     outline: none; }
-    .pagination a:hover, .pagination a:focus, .pagination a:active {
+    nav.pagy a:hover, nav.pagy a:focus, nav.pagy a:active {
       color: #141c22; }
-  .pagination .previous_page.disabled, .pagination .next_page.disabled {
+  nav.pagy a:first-child:not([href]), nav.pagy a:last-child:not([href]) {
     color: #9da2ab; }
-    .pagination .previous_page.disabled:hover, .pagination .previous_page.disabled:focus, .pagination .previous_page.disabled:active, .pagination .next_page.disabled:hover, .pagination .next_page.disabled:focus, .pagination .next_page.disabled:active {
+    nav.pagy a:first-child:not([href]):hover, nav.pagy a:first-child:not([href]):focus, nav.pagy a:first-child:not([href]):active, nav.pagy nav.pagy a:last-child:not([href]):hover, nav.pagy nav.pagy a:last-child:not([href]):focus, nav.pagy nav.pagy a:last-child:not([href]):active {
       color: #9da2ab; }
-  .pagination .previous_page {
-    position: absolute;
-    left: 0; }
-  .pagination .next_page {
-    position: absolute;
-    right: 0; }
-  .pagination .current {
+  nav.pagy .current {
+    color: #000;
     margin: 0 8px; }

app/controllers/api/v1/timeframe_versions_controller.rb

@@ -6,9 +6,7 @@ class InvalidTimeframeParameterError < StandardError; end
   MAXIMUM_TIMEFRAME_QUERY_IN_DAYS = 7
 
   def index
-    render_rubygems(
-      Version.created_between(from_time, to_time).page(@page)
-    )
+    render_rubygems(*pagy(Version.created_between(from_time, to_time)))
   end
 
   private
@@ -35,12 +33,13 @@ def to_time
     raise InvalidTimeframeParameterError, 'the "to" parameter must be iso8601 formatted'
   end
 
-  def render_rubygems(versions)
+  def render_rubygems(pagy, versions)
     rubygems = versions.includes(:dependencies, :gem_download, rubygem: %i[linkset gem_download]).map do |version|
       payload = version.rubygem.payload(version)
       payload.merge(version.as_json)
     end
 
+    pagy_headers_merge(pagy)
     respond_to do |format|
       format.json { render json: rubygems }
       format.yaml { render yaml: rubygems }

app/controllers/api_keys_controller.rb

@@ -8,8 +8,8 @@ class ApiKeysController < ApplicationController
   verify_session_before
 
   def index
-    @api_key  = session.delete(:api_key)
-    @api_keys = current_user.api_keys.unexpired.not_oidc.preload(ownership: :rubygem).page(@page)
+    @api_key = session.delete(:api_key)
+    @api_keys_pagy, @api_keys = pagy(current_user.api_keys.unexpired.not_oidc.preload(ownership: :rubygem))
     redirect_to new_profile_api_key_path if @api_keys.empty?
   end
 

app/controllers/application_controller.rb

@@ -3,6 +3,7 @@ class ApplicationController < ActionController::Base
   include Pundit::Authorization
   include ApplicationMultifactorMethods
   include TraceTagger
+  include Pagy::Backend
 
   helper ActiveSupport::NumberHelper
 

app/controllers/news_controller.rb

@@ -2,19 +2,20 @@ class NewsController < ApplicationController
   before_action -> { set_page Gemcutter::NEWS_MAX_PAGES }
 
   def show
-    @rubygems = Rubygem.preload(:latest_version, :gem_download)
-      .news(Gemcutter::NEWS_DAYS_LIMIT)
-      .page(@page)
-      .per(Gemcutter::NEWS_PER_PAGE)
+    @rubygems_pagy, @rubygems = pagy(
+      Rubygem.preload(:latest_version, :gem_download)
+      .news(Gemcutter::NEWS_DAYS_LIMIT),
+      limit: Gemcutter::NEWS_MAX_PAGES
+    )
+
     limit_total_count
   end
 
   def popular
     @title = t(".title")
-    @rubygems = Rubygem.preload(:latest_version, :gem_download)
-      .popular(Gemcutter::POPULAR_DAYS_LIMIT)
-      .page(@page)
-      .per(Gemcutter::NEWS_PER_PAGE)
+    @rubygems_pagy, @rubygems = pagy(Rubygem.preload(:latest_version, :gem_download)
+      .popular(Gemcutter::POPULAR_DAYS_LIMIT),
+      limit: Gemcutter::NEWS_MAX_PAGES)
     limit_total_count
 
     render :show

app/controllers/oidc/api_key_roles_controller.rb

@@ -11,15 +11,11 @@ class OIDC::ApiKeyRolesController < ApplicationController
   before_action :set_page, only: :index
 
   def index
-    @api_key_roles = current_user.oidc_api_key_roles.active.includes(:provider)
-      .page(@page)
-      .strict_loading
+    @api_key_roles_pagy, @api_key_roles = pagy(current_user.oidc_api_key_roles.active.includes(:provider).strict_loading)
   end
 
   def show
-    @id_tokens = @api_key_role.id_tokens.order(id: :desc).includes(:api_key)
-      .page(0).per(10)
-      .strict_loading
+    @id_tokens_pagy, @id_tokens = pagy(@api_key_role.id_tokens.order(id: :desc).includes(:api_key).strict_loading, limit: 10)
     respond_to do |format|
       format.json do
         render json: @api_key_role

app/controllers/oidc/providers_controller.rb

@@ -8,8 +8,8 @@ class OIDC::ProvidersController < ApplicationController
   before_action :set_page, only: :index
 
   def index
-    providers = OIDC::Provider.strict_loading.page(@page)
-    render OIDC::Providers::IndexView.new(providers:)
+    providers_pagy, providers = pagy(OIDC::Provider.strict_loading)
+    render OIDC::Providers::IndexView.new(providers_pagy:, providers:)
   end
 
   def show

app/controllers/ownership_calls_controller.rb

@@ -13,9 +13,10 @@ class OwnershipCallsController < ApplicationController
 
   def index
     set_page
-    @ownership_calls = OwnershipCall.opened.includes(:user, rubygem: %i[latest_version gem_download]).order(created_at: :desc)
-      .page(@page)
-      .per(Gemcutter::OWNERSHIP_CALLS_PER_PAGE)
+    @ownership_calls_pagy, @ownership_calls = pagy(
+      OwnershipCall.opened.includes(:user, rubygem: %i[latest_version gem_download]).order(created_at: :desc),
+      limit: Gemcutter::OWNERSHIP_CALLS_PER_PAGE
+    )
   end
 
   def create

app/controllers/profiles_controller.rb

@@ -53,8 +53,8 @@ def adoptions
   end
 
   def security_events
-    @security_events = current_user.events.order(id: :desc).page(params[:page]).per(50)
-    render Profiles::SecurityEventsView.new(security_events: @security_events)
+    @security_events_pagy, @security_events = pagy(current_user.events.order(id: :desc), limit: 50)
+    render Profiles::SecurityEventsView.new(security_events_pagy: @security_events_pagy, security_events: @security_events)
   end
 
   private

app/controllers/reverse_dependencies_controller.rb

@@ -11,6 +11,6 @@ def index
       .preload(:gem_download, :latest_version)
 
     @reverse_dependencies = @reverse_dependencies.legacy_search(params[:rdeps_query]) if params[:rdeps_query].is_a?(String)
-    @reverse_dependencies = @reverse_dependencies.page(@page).without_count
+    @reverse_dependencies_pagy, @reverse_dependencies = pagy_countless(@reverse_dependencies)
   end
 end

app/controllers/rubygems_controller.rb

@@ -11,7 +11,7 @@ def index
     respond_to do |format|
       format.html do
         @letter = Rubygem.letterize(gem_params[:letter])
-        @gems   = Rubygem.letter(@letter).includes(:latest_version, :gem_download).page(@page)
+        @gems_pagy, @gems = pagy(Rubygem.letter(@letter).includes(:latest_version, :gem_download), limit: 2)
       end
       format.atom do
         @versions = Version.published.limit(Gemcutter::DEFAULT_PAGINATION)
@@ -32,8 +32,8 @@ def show
 
   def security_events
     authorize @rubygem, :show_events?
-    @security_events = @rubygem.events.order(id: :desc).page(params[:page]).per(50)
-    render Rubygems::SecurityEventsView.new(rubygem: @rubygem, security_events: @security_events)
+    @security_events_pagy, @security_events = pagy(@rubygem.events.order(id: :desc), limit: 50)
+    render Rubygems::SecurityEventsView.new(rubygem: @rubygem, security_events_pagy: @security_events_pagy, security_events: @security_events)
   end
 
   private

app/controllers/searches_controller.rb

@@ -6,7 +6,8 @@ def show
     @error_msg, @gems = ElasticSearcher.new(params[:query], page: @page).search
 
     return unless @gems
-    set_total_pages if @gems.total_count > Gemcutter::SEARCH_MAX_PAGES * Rubygem.default_per_page
+    @gems_pagy = Pagy.new_from_searchkick(@gems)
+    set_total_pages if @gems.total_count > 10_000
     exact_match = Rubygem.name_is(params[:query]).first
     @yanked_gem = exact_match unless exact_match&.indexed_versions?
     @yanked_filter = true if params[:yanked] == "true"

app/controllers/stats_controller.rb

@@ -5,7 +5,8 @@ def index
     @number_of_gems        = Rubygem.total_count
     @number_of_users       = User.count
     @number_of_downloads   = GemDownload.total_count
-    @most_downloaded       = Rubygem.by_downloads.includes(:gem_download).page(@page).per(Gemcutter::STATS_PER_PAGE)
+    @most_downloaded_pagy,
+    @most_downloaded       = pagy(Rubygem.by_downloads.includes(:gem_download), limit: Gemcutter::STATS_PER_PAGE)
     @most_downloaded_count = GemDownload.most_downloaded_gem_count
     limit_total_count
   end

app/controllers/versions_controller.rb

@@ -3,7 +3,7 @@ class VersionsController < ApplicationController
 
   def index
     set_page
-    @versions = @rubygem.versions.by_position.page(@page).per(Gemcutter::VERSIONS_PER_PAGE)
+    @versions_pagy, @versions = pagy(@rubygem.versions.by_position, limit: Gemcutter::VERSIONS_PER_PAGE)
   end
 
   def show

app/helpers/application_helper.rb

@@ -1,5 +1,6 @@
 module ApplicationHelper
   include BetterHtml::Helpers
+  include Pagy::Frontend
 
   def page_title
     combo = "#{t :title} | #{t :subtitle}"
@@ -59,12 +60,6 @@ def active?(path)
     "is-active" if request.path_info == path
   end
 
-  # replacement for Kaminari::ActionViewExtension#paginate
-  # only shows `next` and `prev` links and not page numbers, saving a COUNT(DISTINCT ..) query
-  def plain_paginate(items)
-    render "layouts/plain_paginate", items: items
-  end
-
   def content_for_title(title, title_url)
     return title unless title_url
     link_to title, title_url, class: "t-link--black"

app/views/api_keys/index.html.erb

@@ -11,7 +11,7 @@
 
 <header class="gems__header">
   <p class="gems__meter">
-    <%= page_entries_info @api_keys, entry_name: 'API keys' %>
+    <%== pagy_info @api_keys_pagy, item_name: 'API keys' %>
   </p>
 </header>
 
@@ -121,7 +121,7 @@
     </tr>
   </table>
 
-  <%= paginate @api_keys %>
+  <%== pagy_nav @api_keys_pagy if @api_keys_pagy.pages > 1 %>
 
   <p><%= button_to t(".new_key"), new_profile_api_key_path, method: "get", class: "form__submit" %></p>
   <% if current_user.oidc_api_key_roles.any? %>

app/views/components/events/table_component.rb

@@ -9,16 +9,17 @@ class Events::TableComponent < ApplicationComponent
   extend Phlex::Rails::HelperMacros
 
   register_value_helper :current_user
-  register_value_helper :page_entries_info
-  register_value_helper :paginate
+  register_value_helper :pagy_info
+  register_value_helper :pagy_nav
 
   extend Dry::Initializer
 
+  option :security_events_pagy
   option :security_events
 
   def view_template
     header(class: "gems__header push--s") do
-      p(class: "gems__meter l-mb-0") { plain page_entries_info(security_events) }
+      p(class: "gems__meter l-mb-0") { plain pagy_info(security_events_pagy, item_name: "security events") }
     end
 
     if security_events.any?
@@ -39,7 +40,7 @@ def view_template
       end
     end
 
-    plain paginate(security_events)
+    plain pagy_nav(security_events_pagy) if security_events_pagy.pages > 1
   end
 
   private

app/views/layouts/_plain_paginate.html.erb

@@ -1,4 +1,4 @@
 <nav class="pagination">
-  <%= link_to_prev_page items, '‹ Prev' %>
-  <%= link_to_next_page items, 'Next ›' %>
+  <%== pagy_prev_a items, '‹ Prev' %>
+  <%== pagy_next_a items, 'Next ›' %>
 </nav>

app/views/news/show.html.erb

@@ -6,8 +6,8 @@
 </div>
 
 <header class="gems__header">
-  <p class="gems__meter"><%= page_entries_info @rubygems %></p>
+  <p class="gems__meter"><%== pagy_info @rubygems_pagy, item_name: 'gems' %></p>
 </header>
 
 <%= render partial: "news/rubygem", collection: @rubygems %>
-<%= paginate @rubygems %>
+<%== pagy_nav @rubygems_pagy if @rubygems_pagy.pages > 1 %>

app/views/oidc/api_key_roles/index.html.erb

@@ -4,7 +4,7 @@
     <%= button_to(t(".new_role"), new_profile_oidc_api_key_role_path, method: "get", class: "form__submit") %>
   </p>
   <header class="gems__header push--s">
-    <p class="gems__meter l-mb-0"><%= page_entries_info(@api_key_roles) %></p>
+    <p class="gems__meter l-mb-0"><%== pagy_info(@api_key_roles_pagy) %></p>
   </header>
   <table class="owners__table">
     <thead>
@@ -36,5 +36,5 @@
       <% end %>
     </tbody>
   </table>
-  <%= paginate @api_key_roles %>
+  <%== pagy_nav @api_key_roles_pagy if @api_key_roles_pagy.pages > 1 %>
 </div>

app/views/oidc/api_key_roles/show.html.erb

@@ -32,7 +32,7 @@
   <h3 class="t-list__heading"><%= OIDC::ApiKeyRole.human_attribute_name(:id_tokens) %></h3>
   <div class="push--s">
     <header class="gems__header push--s">
-      <p class="gems__meter l-mb-0"><%= page_entries_info(@id_tokens) %></p>
+      <p class="gems__meter l-mb-0"><%== pagy_info(@id_tokens_pagy, item_name: "ID Tokens") %></p>
     </header>
     <% if @id_tokens.present? %>
       <%= render OIDC::IdToken::TableComponent.new(id_tokens: @id_tokens) %>