[Misc] Add optout for april fools

Close #630

app/controllers/static_controller.rb

@@ -49,6 +49,12 @@ class StaticController < ApplicationController
     redirect_back fallback_location: posts_path
   end
 
+  def dont_fool_me
+    cookies[:dont_fool_me] = { value: "1", expires: 1.week }
+    flash[:notice] = "òwō"
+    redirect_back fallback_location: posts_path
+  end
+
   def discord
     unless CurrentUser.can_discord?
       raise User::PrivilegeError.new("You must have an account for at least one week in order to join the Discord server.")

app/helpers/application_helper.rb

@@ -60,12 +60,13 @@ module ApplicationHelper
   end
 
   def fool?
-    return true if params[:fool]
+    return false if Danbooru.config.app_name == "e926"
+    return false if cookies[:dont_fool_me]
 
     Time.use_zone(Time.find_zone("UTC")) do
       target = Date.new(2024, 4, 1)
       start = target.beginning_of_day - 12.hours
-      stop = target.end_of_day + 12.hours
+      stop = target.end_of_day + 6.hours
       Time.now.between?(start, stop)
     end
   end

app/views/static/theme.html.erb

@@ -7,6 +7,13 @@
   <h3 class="redtext" id="no_save_warning">Your device does not allow the site to save theme settings.</h3>
 </noscript>
 
+<% if fool? %>
+  <p>
+    Click <%= link_to "here", dont_fool_me_static_path %> to kill the joke early.
+  </p>
+<% end %>
+
+
 <div class="simple_form">
   <div class="input">
     <label for="theme_name">Theme</label>

config/routes.rb

@@ -444,6 +444,7 @@ Rails.application.routes.draw do
   post "/static/discord" => "static#discord", as: "discord_post"
   get "/static/toggle_mobile_mode" => "static#disable_mobile_mode", as: "disable_mobile_mode"
   get "/static/theme" => "static#theme", as: "theme"
+  get "/static/dont_fool_me" => "static#dont_fool_me", as: "dont_fool_me_static"
   get "/meta_searches/tags" => "meta_searches#tags", :as => "meta_searches_tags"
 
   root :to => "static#home"