modqueue: add sidebar.

Add a sidebar to the modqueue page that shows the following information:

* Number of pending and flagged posts.
* Number of posts disapproved for poor quality or breaking rules.
* Top uploaders in the queue.
* Top artist, copyright, and character tags in the queue.

app/controllers/modqueue_controller.rb

@@ -1,9 +1,22 @@
 class ModqueueController < ApplicationController
   respond_to :html, :json, :xml
   before_action :approver_only
+  layout "sidebar"
 
   def index
-    @posts = Post.includes(:appeals, :disapprovals, :uploader, flags: [:creator]).reorder(id: :asc).pending_or_flagged.available_for_moderation(search_params[:hidden]).tag_match(search_params[:tags]).paginated_search(params, count_pages: true)
+    @posts = Post.includes(:appeals, :disapprovals, :uploader, flags: [:creator]).pending_or_flagged.available_for_moderation(search_params[:hidden]).tag_match(search_params[:tags])
+
+    @pending_post_count = @posts.pending.count
+    @flagged_post_count = @posts.flagged.count
+    @disapproval_reasons = PostDisapproval.where(post: @posts).where.not(reason: "disinterest").group(:reason).order(count: :desc).distinct.count(:post_id)
+    @uploaders = @posts.reorder(nil).group(:uploader).order(count: :desc).limit(20).count
+
+    @tags = RelatedTagCalculator.frequent_tags_for_post_relation(@posts)
+    @artist_tags = @tags.select { |tag| tag.category == Tag.categories.artist }.sort_by(&:overlap_count).reverse.take(10)
+    @copyright_tags = @tags.select { |tag| tag.category == Tag.categories.copyright }.sort_by(&:overlap_count).reverse.take(10)
+    @character_tags = @tags.select { |tag| tag.category == Tag.categories.character }.sort_by(&:overlap_count).reverse.take(10)
+
+    @posts = @posts.reorder(id: :asc).paginated_search(params, count_pages: true)
     respond_with(@posts)
   end
 end

app/logical/related_tag_calculator.rb

@@ -17,7 +17,11 @@ module RelatedTagCalculator
 
   def self.frequent_tags_for_search(tag_query, search_sample_size: 1000, category: nil)
     sample_posts = Post.tag_match(tag_query).reorder(:md5).limit(search_sample_size)
-    tag_counts = Post.from(sample_posts).with_unflattened_tags.group("tag").select("tag, COUNT(*) AS overlap_count")
+    frequent_tags_for_post_relation(sample_posts, category: category)
+  end
+
+  def self.frequent_tags_for_post_relation(posts, category: nil)
+    tag_counts = Post.from(posts).with_unflattened_tags.group("tag").select("tag, COUNT(*) AS overlap_count")
 
     tags = Tag.from(tag_counts).joins("JOIN tags ON tags.name = tag")
     tags = tags.select("tags.*, overlap_count")
@@ -27,7 +31,7 @@ module RelatedTagCalculator
     tags
   end
 
-  def self.frequent_tags_for_posts(posts)
+  def self.frequent_tags_for_post_array(posts)
     tags_with_counts = posts.flat_map(&:tag_array).group_by(&:itself).transform_values(&:size)
     tags_with_counts.sort_by { |tag_name, count| [-count, tag_name] }.map(&:first)
   end

app/presenters/post_set_presenters/post.rb

@@ -44,7 +44,7 @@ module PostSetPresenters
     end
 
     def frequent_tags
-      RelatedTagCalculator.frequent_tags_for_posts(post_set.posts).take(MAX_TAGS)
+      RelatedTagCalculator.frequent_tags_for_post_array(post_set.posts).take(MAX_TAGS)
     end
 
     def pattern_tags

app/views/layouts/sidebar.html.erb

@@ -1,13 +1,21 @@
 <% content_for(:layout) do %>
   <div id="c-<%= params[:controller].parameterize.dasherize %>">
-    <div id="a-<%= params[:action].parameterize.dasherize %>" class="sidebar-container">
-      <aside id="sidebar">
-        <%= yield :sidebar %>
-      </aside>
+    <div id="a-<%= params[:action].parameterize.dasherize %>">
+      <% if content_for(:top_content).present? %>
+        <section id="top-content">
+          <%= yield :top_content %>
+        </section>
+      <% end %>
 
-      <section id="content">
-        <%= yield :content %>
-      </section>
+      <div class="sidebar-container">
+        <aside id="sidebar">
+          <%= yield :sidebar %>
+        </aside>
+
+        <section id="content">
+          <%= yield :content %>
+        </section>
+      </div>
     </div>
   </div>
 <% end %>

app/views/modqueue/_sidebar.html.erb

@@ -0,0 +1,54 @@
+<% content_for(:sidebar) do %>
+  <h2>Search</h2>
+
+  <%= search_form_for(modqueue_index_path, classes: "one-line-form") do |f| %>
+    <%= f.input :tags, label: false, input_html: { placeholder: "Tags", value: params.dig(:search, :tags), "data-autocomplete": "tag-query" } %>
+    <%= f.button :button, name: nil, id: "search-box-submit" do %>
+      <i class="fas fa-search"></i>
+    <% end %>
+  <% end %>
+
+  <%= render "posts/partials/index/blacklist" %>
+
+  <p id="modqueue-sidebar-status" class="sidebar-section">
+    <h6>Status</h6>
+    <ul>
+      <li>
+        <%= link_to "status:pending", modqueue_index_path(search: { tags: "status:pending" }) %>
+        <span class="post-count"><%= @pending_post_count %></span>
+      </li>
+      <li>
+        <%= link_to "status:flagged", modqueue_index_path(search: { tags: "status:flagged" }) %>
+        <span class="post-count"><%= @flagged_post_count %></span>
+      </li>
+
+      <% @disapproval_reasons.each do |reason, count| %>
+        <li>
+          <%= link_to "disapproved:#{reason}", modqueue_index_path(search: { tags: "disapproved:#{reason}" }) %>
+          <span class="post-count"><%= count %></span>
+        </li>
+      <% end %>
+    </ul>
+  </p>
+
+  <p id="modqueue-sidebar-uploaders" class="sidebar-section">
+    <h6>Uploaders</h6>
+    <ul>
+      <% @uploaders.each do |uploader, count| %>
+        <li>
+          <%= link_to_user uploader %>
+          <%= link_to "»", modqueue_index_path(search: { tags: "user:#{uploader.name}" }) %>
+          <span class="post-count"><%= count %></span>
+        </li>
+      <% end %>
+    </ul>
+  </p>
+
+  <p id="modqueue-sidebar-tags" class="sidebar-section">
+    <h6>Tags</h6>
+
+    <%= render "tag_list", tags: @artist_tags %>
+    <%= render "tag_list", tags: @copyright_tags %>
+    <%= render "tag_list", tags: @character_tags %>
+  </p>
+<% end %>

app/views/modqueue/_tag_list.html.erb

@@ -0,0 +1,10 @@
+<ul>
+  <% tags.each do |tag| %>
+    <li>
+      <%= link_to "?", wiki_page_path(tag.name), class: tag_class(tag) %>
+      <%= link_to tag.pretty_name, posts_path(tags: tag.name), class: tag_class(tag) %>
+      <%= link_to "»", modqueue_index_path(search: { tags: tag.name }), class: tag_class(tag) %>
+      <span class="post-count"><%= tag.overlap_count %></span>
+    </li>
+  <% end %>
+</ul>

app/views/modqueue/index.html.erb

@@ -1,39 +1,33 @@
-<% page_title "Mod Queue" %>
+<% page_title "Moderation Queue" %>
 
-<div id="c-modqueue">
-  <div id="a-index">
-    <div>
-      <h1>Moderation Queue</h1>
+<% content_for(:top_content) do %>
+  <h1>Moderation Queue</h1>
 
-      <%= search_form_for(modqueue_index_path) do |f| %>
-        <%= f.input :tags, input_html: { value: params.dig(:search, :tags), "data-autocomplete": "tag-query" } %>
-        <%= f.submit "Search" %>
+  <div id="moderation-guideline" class="fixed-width-container">
+    <h2>Deletion Guidelines</h2>
+
+    <%= render "desc" %>
+
+    <p>
+      <% if params.dig(:search, :hidden) %>
+        <%= link_to "View pending posts", modqueue_index_path(search: { tags: params.dig(:search, :tags), hidden: nil }) %>.
+      <% else %>
+        <%= link_to "View hidden posts", modqueue_index_path(search: { tags: params.dig(:search, :tags), hidden: true, }) %>.
       <% end %>
-
-      <div id="moderation-guideline" class="fixed-width-container">
-        <h2>Deletion Guidelines</h2>
-
-        <%= render "desc" %>
-
-        <p>
-          <% if params.dig(:search, :hidden) %>
-            <%= link_to "View pending posts", modqueue_index_path(search: { tags: params.dig(:search, :tags), hidden: nil }) %>.
-          <% else %>
-            <%= link_to "View hidden posts", modqueue_index_path(search: { tags: params.dig(:search, :tags), hidden: true, }) %>.
-          <% end %>
-        </p>
-      </div>
-
-      <%= render "posts/partials/common/inline_blacklist" %>
-
-      <% @posts.each do |post| %>
-        <%= render "post", post: post %>
-      <% end %>
-    </div>
-
-    <%= numbered_paginator(@posts) %>
+    </p>
   </div>
-</div>
+<% end %>
 
+<% content_for(:content) do %>
+  <h2>Posts</h2>
+
+  <% @posts.each do |post| %>
+    <%= render "post", post: post %>
+  <% end %>
+
+  <%= numbered_paginator(@posts) %>
+<% end %>
+
+<%= render "modqueue/sidebar" %>
 <%= render "post_disapprovals/detailed_rejection_dialog" %>
 <%= render "posts/partials/common/secondary_links" %>

test/unit/related_tag_calculator_test.rb

@@ -13,14 +13,14 @@ class RelatedTagCalculatorTest < ActiveSupport::TestCase
   end
 
   context "RelatedTagCalculator" do
-    context "#frequent_tags_for_posts" do
+    context "#frequent_tags_for_post_array" do
       should "calculate the most frequent tags for a set of posts" do
         create(:post, tag_string: "aaa bbb ccc ddd")
         create(:post, tag_string: "aaa bbb ccc")
         create(:post, tag_string: "aaa bbb")
         posts = Post.tag_match("aaa")
 
-        assert_equal(%w[aaa bbb ccc ddd], RelatedTagCalculator.frequent_tags_for_posts(posts))
+        assert_equal(%w[aaa bbb ccc ddd], RelatedTagCalculator.frequent_tags_for_post_array(posts))
       end
     end