add infinite scroll

app/controllers/application_controller.rb

@@ -13,7 +13,7 @@ class ApplicationController < ActionController::Base
   before_action :maybe_redirect_to_setup, unless: :signed_in?
   before_action :authenticate_user!, unless: :devise_controller?
 
-  before_action :set_csp, if: -> { request.get? && !request.headers['HTTP_X_TURBO'] }
+  before_action :set_csp, if: -> { request.get? && !request.headers['HTTP_X_TURBO'] && !turbo_infinite_scroll? }
 
   helper_method :button_title,
                 :current_account,
@@ -65,6 +65,10 @@ class ApplicationController < ActionController::Base
 
   private
 
+  def turbo_infinite_scroll?
+    request.headers['HTTP_X_TURBO_INFINITE_SCROLL'].present?
+  end
+
   def turbo_native_ios?
     request.user_agent.to_s.include?('Hotwire Native iOS')
   end

app/controllers/submissions_archived_controller.rb

@@ -29,5 +29,17 @@ class SubmissionsArchivedController < ApplicationController
 
     ActiveRecord::Associations::Preloader.new(records: @submissions.filter_map(&:template),
                                               associations: :author).call
+
+    render_infinite_scroll(@pagy, @submissions) if turbo_infinite_scroll?
+  end
+
+  private
+
+  def render_infinite_scroll(pagy, submissions)
+    render turbo_stream: [
+      turbo_stream.before('infinite_scroll', partial: 'templates/submission', collection: submissions,
+                                             locals: { with_template: true, archived: true }),
+      turbo_stream.replace('infinite_scroll', partial: 'shared/infinite_scroll', locals: { pagy: })
+    ]
   end
 end

app/controllers/submissions_dashboard_controller.rb

@@ -30,5 +30,17 @@ class SubmissionsDashboardController < ApplicationController
 
     ActiveRecord::Associations::Preloader.new(records: @submissions.filter_map(&:template),
                                               associations: :author).call
+
+    render_infinite_scroll(@pagy, @submissions) if turbo_infinite_scroll?
+  end
+
+  private
+
+  def render_infinite_scroll(pagy, submissions)
+    render turbo_stream: [
+      turbo_stream.before('infinite_scroll', partial: 'templates/submission', collection: submissions,
+                                             locals: { with_template: true }),
+      turbo_stream.replace('infinite_scroll', partial: 'shared/infinite_scroll', locals: { pagy: })
+    ]
   end
 end

app/controllers/template_folders_controller.rb

@@ -13,10 +13,7 @@ class TemplateFoldersController < ApplicationController
                          .where(folder: [@template_folder, *(params[:q].present? ? @template_folder.subfolders : [])])
                          .preload(:author, :template_accesses)
 
-    @template_folders =
-      @template_folder.subfolders.where(id: Template.accessible_by(current_ability).active.select(:folder_id))
-
-    @template_folders = TemplateFolders.search(@template_folders, params[:q])
+    @template_folders = filter_folders(@template_folder)
     @template_folders = TemplateFolders.sort(@template_folders, current_user, selected_order)
 
     if @templates.exists?
@@ -40,6 +37,8 @@ class TemplateFoldersController < ApplicationController
 
       @templates = @templates.none
     end
+
+    render_infinite_scroll(@pagy, @templates, @template_folders) if turbo_infinite_scroll?
   end
 
   def edit; end
@@ -55,6 +54,27 @@ class TemplateFoldersController < ApplicationController
 
   private
 
+  def filter_folders(template_folder)
+    template_folders =
+      template_folder.subfolders.where(id: Template.accessible_by(current_ability).active.select(:folder_id))
+
+    TemplateFolders.search(template_folders, params[:q])
+  end
+
+  def render_infinite_scroll(pagy, templates, template_folders)
+    rendering =
+      if templates.present?
+        { partial: 'templates/template', collection: templates }
+      else
+        { partial: 'template_folders/folder', collection: template_folders, as: :folder }
+      end
+
+    render turbo_stream: [
+      turbo_stream.before('infinite_scroll', **rendering),
+      turbo_stream.replace('infinite_scroll', partial: 'shared/infinite_scroll', locals: { pagy: })
+    ]
+  end
+
   def selected_order
     @selected_order ||=
       if can?(:manage, :countless)

app/controllers/templates_archived_controller.rb

@@ -12,13 +12,23 @@ class TemplatesArchivedController < ApplicationController
 
     @pagy, @templates = pagy_auto(@templates.select_for_list, limit: 12)
 
-    return unless params[:q].present? && @templates.blank?
+    if params[:q].present? && @templates.blank?
+      @related_submissions_pagy, @related_submissions = load_related_submissions
+    end
 
-    @related_submissions_pagy, @related_submissions = load_related_submissions
+    render_infinite_scroll(@pagy, @templates) if turbo_infinite_scroll?
   end
 
   private
 
+  def render_infinite_scroll(pagy, templates)
+    render turbo_stream: [
+      turbo_stream.before('infinite_scroll', partial: 'templates/template', collection: templates,
+                                             locals: { with_folder: true }),
+      turbo_stream.replace('infinite_scroll', partial: 'shared/infinite_scroll', locals: { pagy: })
+    ]
+  end
+
   def load_related_submissions
     related_submissions =
       Submission.accessible_by(current_ability)

app/controllers/templates_archived_submissions_controller.rb

@@ -16,7 +16,19 @@ class TemplatesArchivedSubmissionsController < ApplicationController
                    end
 
     @pagy, @submissions = pagy_auto(@submissions.select_for_list.preload(submitters: :start_form_submission_events))
+
+    render_infinite_scroll(@pagy, @submissions, @template) if turbo_infinite_scroll?
   rescue ActiveRecord::RecordNotFound
     redirect_to root_path
   end
+
+  private
+
+  def render_infinite_scroll(pagy, submissions, template)
+    render turbo_stream: [
+      turbo_stream.before('infinite_scroll', partial: 'templates/submission', collection: submissions,
+                                             locals: { template:, archived: true }),
+      turbo_stream.replace('infinite_scroll', partial: 'shared/infinite_scroll', locals: { pagy: })
+    ]
+  end
 end

app/controllers/templates_controller.rb

@@ -21,6 +21,8 @@ class TemplatesController < ApplicationController
 
     @pagy, @submissions =
       pagy_auto(submissions.select_for_list.preload(:template_accesses, submitters: :start_form_submission_events))
+
+    render_infinite_scroll(@pagy, @submissions, @template) if turbo_infinite_scroll?
   rescue ActiveRecord::RecordNotFound
     redirect_to root_path
   end
@@ -86,6 +88,14 @@ class TemplatesController < ApplicationController
 
   private
 
+  def render_infinite_scroll(pagy, submissions, template)
+    render turbo_stream: [
+      turbo_stream.before('infinite_scroll', partial: 'templates/submission', collection: submissions,
+                                             locals: { template:, archived: template.archived_at? }),
+      turbo_stream.replace('infinite_scroll', partial: 'shared/infinite_scroll', locals: { pagy: })
+    ]
+  end
+
   def template_params
     params.require(:template).permit(
       :name,

app/controllers/templates_dashboard_controller.rb

@@ -43,10 +43,26 @@ class TemplatesDashboardController < ApplicationController
         @related_submissions_pagy, @related_submissions = load_related_submissions
       end
     end
+
+    render_infinite_scroll(@pagy, @templates, @template_folders) if turbo_infinite_scroll?
   end
 
   private
 
+  def render_infinite_scroll(pagy, templates, template_folders)
+    rendering =
+      if templates.present?
+        { partial: 'templates/template', collection: templates }
+      else
+        { partial: 'template_folders/folder', collection: template_folders, as: :folder }
+      end
+
+    render turbo_stream: [
+      turbo_stream.before('infinite_scroll', **rendering),
+      turbo_stream.replace('infinite_scroll', partial: 'shared/infinite_scroll', locals: { pagy: })
+    ]
+  end
+
   def load_templates(templates, folders_count, show_shared_inline: false)
     templates = templates.preload(:author, :template_accesses)
 

app/controllers/templates_shared_controller.rb

@@ -19,13 +19,22 @@ class TemplatesSharedController < ApplicationController
 
     @pagy, @templates = pagy_auto(@templates.select_for_list, limit: 12)
 
-    return unless params[:q].present? && @templates.blank?
+    if params[:q].present? && @templates.blank?
+      @related_submissions_pagy, @related_submissions = load_related_submissions(is_archived: @is_archived)
+    end
 
-    @related_submissions_pagy, @related_submissions = load_related_submissions(is_archived: @is_archived)
+    render_infinite_scroll(@pagy, @templates) if turbo_infinite_scroll?
   end
 
   private
 
+  def render_infinite_scroll(pagy, templates)
+    render turbo_stream: [
+      turbo_stream.before('infinite_scroll', partial: 'templates/template', collection: templates),
+      turbo_stream.replace('infinite_scroll', partial: 'shared/infinite_scroll', locals: { pagy: })
+    ]
+  end
+
   def load_related_submissions(is_archived:)
     shared_templates = Templates.shared(current_user)
     shared_templates = is_archived ? shared_templates.archived : shared_templates.active