Refactor timelines to use a Turbo Stream-backed pagination

app/controllers/timeline_controller.rb

@@ -27,7 +27,7 @@ class TimelineController < ApplicationController
 
     respond_to do |format|
       format.html { render "timeline/timeline" }
-      format.js { render "timeline/timeline", layout: false }
+      format.turbo_stream { render "timeline/timeline", layout: false, status: :see_other }
     end
   end
 end

app/views/timeline/timeline.haml

@@ -2,11 +2,9 @@
   - @timeline.each do |answer|
     = render "answerbox", a: answer
 
-= render "shared/cursored_pagination_dummy", more_data_available: @more_data_available, last_id: @timeline_last_id
-
 - if @more_data_available
-  .d-flex.justify-content-center.justify-content-sm-start
-    %button.btn.btn-light#load-more-btn{ type: :button, data: { last_id: @timeline_last_id } }
+  .d-flex.justify-content-center.justify-content-sm-start#paginator
+    = button_to "#{request.path}?last_id=#{@timeline_last_id}", class: "btn btn-light" do
       = t("voc.load")
 
 - provide(:title, @title || APP_CONFIG["site_name"])

app/views/timeline/timeline.js.erb

@@ -1,8 +0,0 @@
-$('#timeline').append('<% @timeline.each do |answer|
-  %><%= j render 'answerbox', a: answer
-%><% end %>');
-<% if @more_data_available %>
-  $('#pagination').html('<%= j render 'shared/cursored_pagination_dummy', more_data_available: @more_data_available, last_id: @timeline_last_id %>');
-<% else %>
-  $('#pagination, #load-more-btn').remove();
-<% end %>

app/views/timeline/timeline.turbo_stream.haml

@@ -0,0 +1,8 @@
+= turbo_stream.append "timeline" do
+  - @timeline.each do |answer|
+    = render "answerbox", a: answer
+
+= turbo_stream.update "paginator" do
+  - if @more_data_available
+    = button_to "#{request.path}?last_id=#{@timeline_last_id}", class: "btn btn-light" do
+      = t("voc.load")

config/routes.rb

@@ -39,7 +39,7 @@ Rails.application.routes.draw do
   end
 
   authenticate :user do
-    root to: "timeline#index", as: :timeline
+    root to: "timeline#index", via: [:get, :post], as: :timeline
   end
 
   get "/about", to: "about#about"
@@ -138,8 +138,8 @@ Rails.application.routes.draw do
   end
 
   get "/discover", to: "discover#index", as: :discover
-  get "/public", to: "timeline#public", as: :public_timeline if APP_CONFIG.dig(:features, :public, :enabled)
-  get "/list/:list_name", to: "timeline#list", as: :list_timeline
+  match "/public", to: "timeline#public", via: [:get, :post], as: :public_timeline if APP_CONFIG.dig(:features, :public, :enabled)
+  match "/list/:list_name", to: "timeline#list", via: [:get, :post], as: :list_timeline
 
   match "/notifications(/:type)", to: "notifications#index", via: [:get, :post], as: :notifications, defaults: { type: "new" }