/iqdb_queries: support both GET and POST; add GET /posts/1/similar.

app/controllers/iqdb_queries_controller.rb

@@ -2,7 +2,7 @@
 class IqdbQueriesController < ApplicationController
   before_filter :member_only
 
-  def create
+  def index
     if !Danbooru.config.iqdbs_server
       raise NotImplementedError.new("the IQDBs service isn't configured. Similarity searches are not available.")
     end
@@ -16,6 +16,9 @@ class IqdbQueriesController < ApplicationController
     end
   end
 
+  # Support both POST /iqdb_queries and GET /iqdb_queries.
+  alias_method :create, :index
+
 protected
   def create_by_url
     @download = Iqdb::Download.new(params[:url])

config/routes.rb

@@ -147,7 +147,7 @@ Rails.application.routes.draw do
     resource :visit, :controller => "forum_topic_visits"
   end
   resources :ip_bans
-  resources :iqdb_queries, :only => [:create]
+  resources :iqdb_queries, :only => [:create, :index]
   resources :janitor_trials do
     collection do
       get :test
@@ -206,6 +206,7 @@ Rails.application.routes.draw do
       get :show_seq
       put :mark_as_translated
     end
+    get :similar, :to => "iqdb_queries#index"
   end
   resources :post_appeals
   resources :post_flags