Add featured hashtags to profiles (#9755)

* Add hashtag filter to profiles

GET /@:username/tagged/:hashtag
GET /api/v1/accounts/:id/statuses?tagged=:hashtag

* Display featured hashtags on public profile

* Use separate model for featured tags

* Update featured hashtag counters on-write

* Limit featured tags to 10

1 files changed, 11 insertions, 1 deletions

diff --git a/app/services/process_hashtags_service.rb b/app/services/process_hashtags_service.rb
index cf7471c98..d5ec076a8 100644
--- a/app/services/process_hashtags_service.rb
+++ b/app/services/process_hashtags_service.rb
@@ -2,12 +2,22 @@
 
 class ProcessHashtagsService < BaseService
   def call(status, tags = [])
-    tags = Extractor.extract_hashtags(status.text) if status.local?
+    tags    = Extractor.extract_hashtags(status.text) if status.local?
+    records = []
 
     tags.map { |str| str.mb_chars.downcase }.uniq(&:to_s).each do |name|
       tag = Tag.where(name: name).first_or_create(name: name)
+
       status.tags << tag
+      records << tag
+
       TrendingTags.record_use!(tag, status.account, status.created_at) if status.public_visibility?
     end
+
+    return unless status.public_visibility? || status.unlisted_visibility?
+
+    status.account.featured_tags.where(tag_id: records.map(&:id)).each do |featured_tag|
+      featured_tag.increment(status.created_at)
+    end
   end
 end