rename similar posts to recommended posts, refactor menu on posts/show

app/assets/javascripts/posts.js.erb

@@ -438,7 +438,7 @@
         $("#comments").show();
         $("#edit").hide();
         $("#share").hide();
-        $("#similar").hide();
+        $("#recommended").hide();
       } else if (e.target.hash === "#edit") {
         $("#edit").show();
         $("#comments").hide();
@@ -446,18 +446,18 @@
         $("#post_tag_string").focus().selectEnd().height($("#post_tag_string")[0].scrollHeight);
         $("#related-tags-button").trigger("click");
         $("#find-artist-button").trigger("click");
-        $("#similar").hide();
+        $("#recommended").hide();
-      } else if (e.target.hash === "#similar") {
+      } else if (e.target.hash === "#recommended") {
         $("#comments").hide();
         $("#edit").hide();
         $("#share").hide();
-        $("#similar").show();
+        $("#recommended").show();
       } else {
         $("#edit").hide();
         $("#comments").hide();
         $("#share").show();
         addthis.init();
-        $("#similar").hide();
+        $("#recommended").hide();
       } 
 
       $("#post-sections li").removeClass("active");
@@ -465,11 +465,14 @@
       e.preventDefault();
     });
 
-    $("#post-sections li:first-child").addClass("active");
     $("#notes").hide();
     $("#edit").hide();
-    if ($("#similar").length) {
+    if ($("#recommended").data("available")) {
+      $("#post-sections li:first-child").addClass("active");
       $("#comments").hide();
+    } else {
+      $("#post-sections li:nth-child(2)").addClass("active");
+      $("#recommended").hide();
     }
   }
 

app/assets/stylesheets/specific/posts.scss

@@ -324,7 +324,7 @@ div#c-posts {
       font-weight: bold;
     }
 
-    .similar-posts {
+    .recommended-posts {
       margin-top: 1em;
     }
 

app/assets/stylesheets/specific/z_responsive.scss

@@ -178,6 +178,7 @@
     article.post-preview {
       width: 33.3%;
       height: 33.3vw;
+      overflow: hidden;
     }
 
     img {

app/controllers/users_controller.rb

@@ -96,6 +96,7 @@ class UsersController < ApplicationController
       disable_categorized_saved_searches disable_tagged_filenames
       enable_recent_searches disable_cropped_thumbnails disable_mobile_gestures
       enable_safe_mode disable_responsive_mode disable_post_tooltips
+      enable_recommended_posts
     ]
 
     permitted_params += [dmail_filter_attributes: %i[id words]]

app/logical/anonymous_user.rb

@@ -281,6 +281,10 @@ class AnonymousUser
     false
   end
 
+  def enable_recommended_posts?
+    false
+  end
+
   User::Roles.reject {|r| r == :anonymous}.each do |name|
     define_method("is_#{name}?") do
       false

app/logical/post_sets/recommended.rb

@@ -1,5 +1,5 @@
 module PostSets
-  class Similar < PostSets::Post
+  class Recommended < PostSets::Post
     def initialize(post)
       super("")
       @post = post

app/models/recommender_service.rb

@@ -1,12 +1,14 @@
 module RecommenderService
   extend self
 
+  SCORE_THRESHOLD = 10
+
   def enabled?
     Danbooru.config.recommender_server.present?
   end
 
   def available?(post)
-    enabled? && post.created_at > 6.months.ago && post.score >= 10
+    enabled? && CurrentUser.enable_recommended_posts? && post.created_at > Date.civil(2018, 1, 1) #&& post.score >= SCORE_THRESHOLD
   end
 
   def similar(post)

app/models/user.rb

@@ -59,6 +59,7 @@ class User < ApplicationRecord
     enable_safe_mode
     disable_responsive_mode
     disable_post_tooltips
+    enable_recommended_posts
   )
 
   include Danbooru::HasBitFlags

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

@@ -0,0 +1,7 @@
+<div class="recommended-posts">
+  <p><em>You might also like:</em></p>
+
+  <section class="user-disable-cropped-<%= Danbooru.config.enable_image_cropping && CurrentUser.user.disable_cropped_thumbnails? %>">
+    <%= PostSets::Recommended.new(post).presenter.post_previews_html(self) %>
+  </section>
+</div>

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

@@ -1,7 +0,0 @@
-<div class="similar-posts">
-  <p><em>You might also like:</em></p>
-
-  <section>
-    <%= PostSets::Similar.new(post).presenter.post_previews_html(self) %>
-  </section>
-</div>

app/views/posts/show.html.erb

@@ -87,8 +87,8 @@
       <% end %>
 
       <menu id="post-sections">
-        <% if RecommenderService.available?(@post) %>
+        <% if RecommenderService.enabled? %>
-          <li><a href="#similar">Similar</a></li>
+          <li><a href="#recommended">Recommended</a></li>
         <% end %>
 
         <li><a href="#comments">Comments</a></li>
@@ -100,11 +100,13 @@
         <li><a href="#share">Share</a></li>
       </menu>
 
-      <% if RecommenderService.available?(@post) %>
+      <section id="recommended" data-available="<%= RecommenderService.available?(@post) %>">
-        <section id="similar">
+        <% if RecommenderService.available?(@post) %>
-          <%= render "posts/partials/index/similar", post: @post %>
+          <%= render "posts/partials/index/recommended", post: @post %>
-        </section>
+        <% else %>
-      <% end %>
+          <p><em>Not enough data available</em></p>
+        <% end %>
+      </section>
 
       <section id="comments">
         <% if !CurrentUser.user.is_builder? %>

app/views/users/edit.html.erb

@@ -82,6 +82,8 @@
 
         <%= f.input :disable_cropped_thumbnails, :as => :select, :collection => [["No", "false"], ["Yes", "true"]], :include_blank => false %>
 
+        <%= f.input :enable_recommended_posts, :as => :select, :collection => [["No", "false"], ["Yes", "true"]], :include_blank => false %>
+
         <div class="input text optional field_with_hint">
           <label class="text optional" for="user_dmail_filter_attributes_words">Dmail filter</label>
           <%= hidden_field_tag "user[dmail_filter_attributes][id]", @user.dmail_filter.try(:id) %>