work on saved searches embedded in user profiles

app/logical/cache.rb

@@ -81,4 +81,8 @@ class Cache
   def self.sanitize(key)
     key.gsub(/\W/) {|x| "%#{x.ord}"}.slice(0, 230)
   end
+
+  def self.hash(string)
+    CityHash.hash64(string).to_s(36)
+  end
 end

app/models/saved_search.rb

@@ -1,4 +1,6 @@
 class SavedSearch < ActiveRecord::Base
+  UNCATEGORIZED_NAME = "Uncategorized"
+
   module ListbooruMethods
     extend ActiveSupport::Concern
 
@@ -79,22 +81,32 @@ class SavedSearch < ActiveRecord::Base
   def self.post_ids(user_id, name = nil)
     return [] unless Danbooru.config.listbooru_enabled?
 
-    params = {
-      "key" => Danbooru.config.listbooru_auth_key,
-      "user_id" => user_id,
-      "name" => name
-    }
-    uri = URI.parse("#{Danbooru.config.listbooru_server}/users")
-    uri.query = URI.encode_www_form(params)
+    if name
+      hash_name = Cache.hash(name)
+    else
+      hash_name = nil
+    end
 
-    Net::HTTP.start(uri.host, uri.port) do |http|
-      resp = http.request_get(uri.request_uri)
-      if resp.is_a?(Net::HTTPSuccess)
-        resp.body.scan(/\d+/).map(&:to_i)
-      else
-        raise "HTTP error code: #{resp.code} #{resp.message}"
+    body = Cache.fetch("ss-pids-#{user_id}-#{hash_name}", 60) do
+      params = {
+        "key" => Danbooru.config.listbooru_auth_key,
+        "user_id" => user_id,
+        "name" => name
+      }
+      uri = URI.parse("#{Danbooru.config.listbooru_server}/users")
+      uri.query = URI.encode_www_form(params)
+
+      Net::HTTP.start(uri.host, uri.port) do |http|
+        resp = http.request_get(uri.request_uri)
+        if resp.is_a?(Net::HTTPSuccess)
+          resp.body
+        else
+          raise "HTTP error code: #{resp.code} #{resp.message}"
+        end
       end
     end
+
+    body.scan(/\d+/).map(&:to_i)
   end
 
   def normalize

app/models/user.rb

@@ -788,6 +788,12 @@ class User < ActiveRecord::Base
     end
   end
 
+  module SavedSearchMethods
+    def unique_saved_search_categories
+      [SavedSearch::UNCATEGORIZED_NAME] + saved_searches.pluck(:category).reject {|x| x.blank?}.uniq
+    end
+  end
+
   include BanMethods
   include NameMethods
   include PasswordMethods
@@ -803,6 +809,7 @@ class User < ActiveRecord::Base
   include CountMethods
   extend SearchMethods
   include StatisticsMethods
+  include SavedSearchMethods
 
   def initialize_default_image_size
     self.default_image_size = "large"

app/presenters/user_presenter.rb

@@ -39,6 +39,26 @@ class UserPresenter
     permissions.join(", ")
   end
 
+  def posts_for_saved_search_category(category)
+    if category == SavedSearch::UNCATEGORIZED_NAME
+      ids = SavedSearch.post_ids(CurrentUser.user.id)
+    else
+      ids = SavedSearch.post_ids(CurrentUser.user.id, category)
+    end
+
+    if ids.any?
+      arel = Post.where("id in (?)", id.map(&:to_i)).order("id desc").limit(10)
+
+      if CurrentUser.user.hide_deleted_posts?
+        arel = arel.undeleted
+      end
+
+      arel
+    else
+      Post.where("false")
+    end
+  end
+
   def posts_for_subscription(subscription)
     arel = Post.where("id in (?)", subscription.post_id_array.map(&:to_i)).order("id desc").limit(6)
 

app/views/saved_searches/index.html.erb

@@ -7,7 +7,7 @@
         <% if category.present? %>
           <%= link_to_if SavedSearch.posts_search_available?, category.tr("_", " "), posts_path(:tags => "search:#{category}") %>
         <% else %>
-          <%= link_to_if SavedSearch.posts_search_available?, "Uncategorized", posts_path(:tags => "search:all") %>
+          <%= link_to_if SavedSearch.posts_search_available?, SavedSearch::UNCATEGORIZED_NAME, posts_path(:tags => "search:all") %>
         <% end %>
       </h2>
       <table class="striped" width="100%">