timeline: only provide #index, #public and #list as GET

app/views/timeline/timeline.html.haml

@@ -4,8 +4,11 @@
 
 - if @more_data_available
   .d-flex.justify-content-center#paginator
-    = button_to "#{request.path}?last_id=#{@timeline_last_id}", class: "btn btn-light" do
-      = t("voc.load")
+    = button_to t("voc.load"), request.path,
+      class: "btn btn-light",
+      method: :get,
+      params: { last_id: @timeline_last_id },
+      form: { data: { turbo_stream: true } }
 
 - provide(:title, @title || APP_CONFIG["site_name"])
 - parent_layout 'feed'

app/views/timeline/timeline.turbo_stream.haml

@@ -4,5 +4,8 @@
 
 = 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")
+    = button_to t("voc.load"), request.path,
+      class: "btn btn-light",
+      method: :get,
+      params: { last_id: @timeline_last_id },
+      form: { data: { turbo_stream: true } }

config/routes.rb

@@ -40,7 +40,7 @@ Rails.application.routes.draw do
   end
 
   authenticate :user do
-    root to: "timeline#index", via: [:get, :post], as: :timeline
+    root to: "timeline#index", via: :get, as: :timeline
   end
 
   get "/about", to: "about#about"
@@ -143,8 +143,8 @@ Rails.application.routes.draw do
   resource :anonymous_block, controller: :anonymous_block, only: %i[create destroy]
 
   get "/discover", to: "discover#index", as: :discover
-  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
+  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 "/notifications(/:type)", to: "notifications#index", via: [:get, :post], as: :notifications, defaults: { type: "new" }