Merge commit '0d7340380cf3094335d8bc67f7c465e2b154566a' into glitch-soc/merge-upstream

Conflicts:
- app/controllers/application_controller.rb:
  Upstream added an `include` where we had an extra `include` due to
  glitch-soc's theming system.
  Added upstream's new `include`.

app/controllers/api/v1/markers_controller.rb

@@ -7,7 +7,10 @@ class Api::V1::MarkersController < Api::BaseController
   before_action :require_user!
 
   def index
-    @markers = current_user.markers.where(timeline: Array(params[:timeline])).index_by(&:timeline)
+    with_read_replica do
+      @markers = current_user.markers.where(timeline: Array(params[:timeline])).index_by(&:timeline)
+    end
+
     render json: serialize_map(@markers)
   end
 

app/controllers/api/v1/notifications_controller.rb

@@ -9,8 +9,12 @@ class Api::V1::NotificationsController < Api::BaseController
   DEFAULT_NOTIFICATIONS_LIMIT = 40
 
   def index
-    @notifications = load_notifications
-    render json: @notifications, each_serializer: REST::NotificationSerializer, relationships: StatusRelationshipsPresenter.new(target_statuses_from_notifications, current_user&.account_id)
+    with_read_replica do
+      @notifications = load_notifications
+      @relationships = StatusRelationshipsPresenter.new(target_statuses_from_notifications, current_user&.account_id)
+    end
+
+    render json: @notifications, each_serializer: REST::NotificationSerializer, relationships: @relationships
   end
 
   def show

app/controllers/api/v1/timelines/home_controller.rb

@@ -6,7 +6,7 @@ class Api::V1::Timelines::HomeController < Api::BaseController
   after_action :insert_pagination_headers, unless: -> { @statuses.empty? }
 
   def show
-    ApplicationRecord.connected_to(role: :read, prevent_writes: true) do
+    with_read_replica do
       @statuses = load_statuses
       @relationships = StatusRelationshipsPresenter.new(@statuses, current_user&.account_id)
     end

app/controllers/application_controller.rb

@@ -11,6 +11,7 @@ class ApplicationController < ActionController::Base
   include CacheConcern
   include DomainControlHelper
   include ThemingConcern
+  include DatabaseHelper
 
   helper_method :current_account
   helper_method :current_session