From 81708d2ef8ecd4afe5bc0875117ca0f5fab2617c Mon Sep 17 00:00:00 2001
From: evazion <noizave@gmail.com>
Date: Mon, 11 Jan 2021 21:59:00 -0600
Subject: [PATCH] search: log extra search metadata to NewRelic.

When a user does a tag search, log a few more things, including the normalized
search string, the number of tags in the search string, and the number of results.
---
 app/controllers/posts_controller.rb |  1 +
 app/logical/post_sets/post.rb       | 18 ++++++++++++++++++
 2 files changed, 19 insertions(+)

diff --git a/app/controllers/posts_controller.rb b/app/controllers/posts_controller.rb
index 160a10633..ff51ce9bc 100644
--- a/app/controllers/posts_controller.rb
+++ b/app/controllers/posts_controller.rb
@@ -12,6 +12,7 @@ class PostsController < ApplicationController
       tag_query = params[:tags] || params.dig(:post, :tags)
       @post_set = PostSets::Post.new(tag_query, params[:page], params[:limit], random: params[:random], format: params[:format])
       @posts = authorize @post_set.posts, policy_class: PostPolicy
+      @post_set.log!
       respond_with(@posts) do |format|
         format.atom
       end
diff --git a/app/logical/post_sets/post.rb b/app/logical/post_sets/post.rb
index e9a1bb714..5ca2b9c78 100644
--- a/app/logical/post_sets/post.rb
+++ b/app/logical/post_sets/post.rb
@@ -160,6 +160,24 @@ module PostSets
       end
     end
 
+    def search_stats
+      {
+        query: normalized_query.to_s,
+        count: post_count,
+        page: current_page,
+        limit: per_page,
+        term_count: normalized_query.terms.count,
+        tag_count: normalized_query.tags.count,
+        metatag_count: normalized_query.metatags.count,
+        censored_posts: censored_posts.count,
+        hidden_posts: hidden_posts.count,
+      }
+    end
+
+    def log!
+      DanbooruLogger.add_attributes("search", search_stats)
+    end
+
     concerning :TagListMethods do
       def related_tags
         if query.is_wildcard_search?