#1938 Add order:random as alternative random trigger

app/assets/javascripts/autocomplete.js

@@ -267,7 +267,8 @@
       "mpixels", "mpixels_asc",
       "portrait", "landscape",
       "filesize", "filesize_asc",
-      "rank"
+      "rank",
+      "random"
     ],
     status: [
       "any", "deleted", "active", "pending", "flagged", "banned"

app/controllers/posts_controller.rb

@@ -14,7 +14,8 @@ class PostsController < ApplicationController
       redirect_to post_path(@post)
     else
       limit = params[:limit] || (params[:tags] =~ /(?:^|\s)limit:(\d+)(?:$|\s)/ && $1) || CurrentUser.user.per_page
-      @post_set = PostSets::Post.new(tag_query, params[:page], limit, params[:raw], params[:random])
+      @random = params[:random] || params[:tags] =~ /(?:^|\s)order:random(?:$|\s)/
+      @post_set = PostSets::Post.new(tag_query, params[:page], limit, params[:raw], @random)
       @posts = @post_set.posts
       respond_with(@posts) do |format|
         format.atom

app/views/posts/partials/index/_posts.html.erb

@@ -9,7 +9,7 @@
     </div>
   <% end %>
 
-  <% unless params[:random].present? %>
+  <% unless @random.present? %>
     <%= numbered_paginator(post_set.posts) %>
   <% end %>
 </div>