Set request timezone to match browser

2025-01-27 14:16:15 +00:00
parent 85daf2aecf
commit 94b2c256b9
4 changed files with 31 additions and 2 deletions
@@ -1,5 +1,5 @@
 class ApplicationController < ActionController::Base
-  include Authentication
+  include Authentication, CurrentTimezone

  stale_when_importmap_changes
  allow_browser versions: :modern
@@ -0,0 +1,17 @@
+module CurrentTimezone
+  extend ActiveSupport::Concern
+
+  included do
+    around_action :set_current_timezone
+  end
+
+  private
+    def set_current_timezone(&)
+      Time.use_zone(timezone_from_cookie, &)
+    end
+
+    def timezone_from_cookie
+      timezone = cookies[:timezone]
+      timezone if timezone.present? && ActiveSupport::TimeZone[timezone]
+    end
+end
@@ -0,0 +1,12 @@
+import { Controller } from "@hotwired/stimulus"
+
+export default class extends Controller {
+  connect() {
+    this.#setTimezoneCookie()
+  }
+
+  #setTimezoneCookie() {
+    const timezone = Intl.DateTimeFormat().resolvedOptions().timeZone
+    document.cookie = `timezone=${encodeURIComponent(timezone)}; path=/`
+  }
+}
@@ -19,7 +19,7 @@
    <%= yield :head %>
  </head>

-  <body data-controller="lightbox local-time">
+  <body data-controller="lightbox local-time timezone-cookie">
    <header id="header">
      <a href="#main-content" class="skip-navigation btn">Skip to main content</a>
      <%= yield :header %>