saved searches: remove option to disable saved searches.

Remove `SavedSearch.enabled?` checks. There's no need to make saved
searches optional, since Redis is now required to run Danbooru.

app/controllers/saved_searches_controller.rb

@@ -1,5 +1,4 @@
 class SavedSearchesController < ApplicationController
-  before_action :check_availability
   respond_to :html, :xml, :json, :js
   
   def index
@@ -39,12 +38,6 @@ class SavedSearchesController < ApplicationController
     CurrentUser.user.saved_searches
   end
 
-  def check_availability
-    if !SavedSearch.enabled?
-      raise NotImplementedError.new("Saved searches are not available.")
-    end
-  end
-
   def saved_search_params
     params.fetch(:saved_search, {}).permit(%i[query label_string disable_labels])
   end

app/logical/post_query_builder.rb

@@ -69,17 +69,15 @@ class PostQueryBuilder
   end
 
   def add_saved_search_relation(saved_searches, relation)
-    if SavedSearch.enabled?
-      saved_searches.each do |saved_search|
-        if saved_search == "all"
-          post_ids = SavedSearch.post_ids_for(CurrentUser.id)
-        else
-          post_ids = SavedSearch.post_ids_for(CurrentUser.id, label: saved_search)
-        end
-
-        post_ids = [0] if post_ids.empty?
-        relation = relation.where("posts.id": post_ids)
+    saved_searches.each do |saved_search|
+      if saved_search == "all"
+        post_ids = SavedSearch.post_ids_for(CurrentUser.id)
+      else
+        post_ids = SavedSearch.post_ids_for(CurrentUser.id, label: saved_search)
       end
+
+      post_ids = [0] if post_ids.empty?
+      relation = relation.where("posts.id": post_ids)
     end
 
     relation

app/models/saved_search.rb

@@ -2,10 +2,6 @@ class SavedSearch < ApplicationRecord
   REDIS_EXPIRY = 1.hour
   QUERY_LIMIT = 1000
 
-  def self.enabled?
-    Danbooru.config.redis_url.present?
-  end
-
   concerning :Redis do
     extend Memoist
 

app/models/tag_alias.rb

@@ -95,11 +95,9 @@ class TagAlias < TagRelationship
   def move_saved_searches
     escaped = Regexp.escape(antecedent_name)
 
-    if SavedSearch.enabled?
-      SavedSearch.where("query like ?", "%#{antecedent_name}%").find_each do |ss|
-        ss.query = ss.query.sub(/(?:^| )#{escaped}(?:$| )/, " #{consequent_name} ").strip.gsub(/  /, " ")
-        ss.save
-      end
+    SavedSearch.where("query like ?", "%#{antecedent_name}%").find_each do |ss|
+      ss.query = ss.query.sub(/(?:^| )#{escaped}(?:$| )/, " #{consequent_name} ").strip.gsub(/  /, " ")
+      ss.save
     end
   end
 

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

@@ -1,7 +1,7 @@
 <section id="options-box">
   <h1>Options</h1>
   <ul>
-    <% if SavedSearch.enabled? && CurrentUser.is_member? %>
+    <% if CurrentUser.is_member? %>
       <li><%= button_tag(tag.i(class: "fas fa-bookmark") + " Save search", id: "save-search", class: "ui-button ui-widget ui-corner-all sub") %></li>
     <% end %>
   </ul>

app/views/saved_searches/_interface.html.erb

@@ -1,10 +1,8 @@
-<% if SavedSearch.enabled? %>
-  <div id="save-search-dialog" title="Save Search" style="display: none;">
+<div id="save-search-dialog" title="Save Search" style="display: none;">
 
-    <%= simple_form_for(SavedSearch.new, remote: true) do |f| %>
-      <%= f.input :query, as: :string, input_html: { value: params[:tags], data: { autocomplete: "tag-query" } } %>
-      <%= f.input :label_string, label: "Labels", hint: "A list of tags to help categorize this search. Space delimited." %>
-      <%= f.input :disable_labels, label: "Don't show this dialog again", as: :boolean %>
-    <% end %>
-  </div>
-<% end %>
+  <%= simple_form_for(SavedSearch.new, remote: true) do |f| %>
+    <%= f.input :query, as: :string, input_html: { value: params[:tags], data: { autocomplete: "tag-query" } } %>
+    <%= f.input :label_string, label: "Labels", hint: "A list of tags to help categorize this search. Space delimited." %>
+    <%= f.input :disable_labels, label: "Don't show this dialog again", as: :boolean %>
+  <% end %>
+</div>