Allow joining several hashtags in a single column (#8904)

* Nascent tag menu on frontend

* Hook up frontend to search

* Tag intersection backend first pass

* Update yarnlock

* WIP

* Fix for tags not searching correctly

* Make radio buttons function

* Simplify radio buttons with modeOption

* Better naming

* Rearrange options

* Add all/any/none functionality on backend

* Small PR cleanup

* Move to service from scope

* Small cleanup, add proper service tests

* Don't use send with user input :D

* Set appropriate column header

* Handle auto updating timeline

* Fix up toggle function

* Use tag value correctly

* A bit more correct to use 'self' rather than 'all' in status scope

* Fix some style issues

* Fix more code style issues

* Style select dropdown more better

* Only use to_id'ed value to ensure no SQL injection

* Revamp frontend to allow for multiple selects

* Update backend / col header to account for more flexible tagging

* Update brakeman ignore

* Codeclimate suggestions

* Fix presenter tag_url

* Implement initial PR feedback

* Handle additional tag streaming

* CodeClimate tweak

app/services/hashtag_query_service.rb

@@ -0,0 +1,21 @@
+# frozen_string_literal: true
+
+class HashtagQueryService < BaseService
+  def call(tag, params, account = nil, local = false)
+    any  = tags_for(params[:any])
+    all  = tags_for(params[:all])
+    none = tags_for(params[:none])
+
+    @query = Status.as_tag_timeline(tag, account, local)
+                   .tagged_with_all(all)
+                   .tagged_with_none(none)
+    @query = @query.distinct.or(self.class.new.call(any, params.except(:any), account, local).distinct) if any
+    @query
+  end
+
+  private
+
+  def tags_for(tags)
+    Tag.where(name: tags.map(&:downcase)) if tags.presence
+  end
+end