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

5 files changed, 70 insertions, 3 deletions

diff --git a/app/controllers/accounts_controller.rb b/app/controllers/accounts_controller.rb
index f788a9078..6e3a23073 100644
--- a/app/controllers/accounts_controller.rb
+++ b/app/controllers/accounts_controller.rb
@@ -57,6 +57,7 @@ class AccountsController < ApplicationController
 
   def filtered_statuses
     default_statuses.tap do |statuses|
+      statuses.merge!(hashtag_scope)    if tag_requested?
       statuses.merge!(only_media_scope) if media_requested?
       statuses.merge!(no_replies_scope) unless replies_requested?
     end
@@ -78,12 +79,15 @@ class AccountsController < ApplicationController
     Status.without_replies
   end
 
+  def hashtag_scope
+    Status.tagged_with(Tag.find_by(name: params[:tag].downcase)&.id)
+  end
+
   def set_account
     @account = Account.find_local!(params[:username])
   end
 
   def older_url
-    ::Rails.logger.info("older: max_id #{@statuses.last.id}, url #{pagination_url(max_id: @statuses.last.id)}")
     pagination_url(max_id: @statuses.last.id)
   end
 
@@ -92,7 +96,9 @@ class AccountsController < ApplicationController
   end
 
   def pagination_url(max_id: nil, min_id: nil)
-    if media_requested?
+    if tag_requested?
+      short_account_tag_url(@account, params[:tag], max_id: max_id, min_id: min_id)
+    elsif media_requested?
       short_account_media_url(@account, max_id: max_id, min_id: min_id)
     elsif replies_requested?
       short_account_with_replies_url(@account, max_id: max_id, min_id: min_id)
@@ -109,6 +115,10 @@ class AccountsController < ApplicationController
     request.path.ends_with?('/with_replies')
   end
 
+  def tag_requested?
+    request.path.ends_with?("/tagged/#{params[:tag]}")
+  end
+
   def filtered_status_page(params)
     if params[:min_id].present?
       filtered_statuses.paginate_by_min_id(PAGE_SIZE, params[:min_id]).reverse
diff --git a/app/controllers/api/v1/accounts/statuses_controller.rb b/app/controllers/api/v1/accounts/statuses_controller.rb
index 6c2a5c141..6fdc827cb 100644
--- a/app/controllers/api/v1/accounts/statuses_controller.rb
+++ b/app/controllers/api/v1/accounts/statuses_controller.rb
@@ -33,6 +33,7 @@ class Api::V1::Accounts::StatusesController < Api::BaseController
     statuses.merge!(only_media_scope) if truthy_param?(:only_media)
     statuses.merge!(no_replies_scope) if truthy_param?(:exclude_replies)
     statuses.merge!(no_reblogs_scope) if truthy_param?(:exclude_reblogs)
+    statuses.merge!(hashtag_scope)    if params[:tagged].present?
 
     statuses
   end
@@ -67,6 +68,10 @@ class Api::V1::Accounts::StatusesController < Api::BaseController
     Status.without_reblogs
   end
 
+  def hashtag_scope
+    Status.tagged_with(Tag.find_by(name: params[:tagged])&.id)
+  end
+
   def pagination_params(core_params)
     params.slice(:limit, :only_media, :exclude_replies).permit(:limit, :only_media, :exclude_replies).merge(core_params)
   end
diff --git a/app/controllers/settings/featured_tags_controller.rb b/app/controllers/settings/featured_tags_controller.rb
new file mode 100644
index 000000000..19815e416
--- /dev/null
+++ b/app/controllers/settings/featured_tags_controller.rb
@@ -0,0 +1,51 @@
+# frozen_string_literal: true
+
+class Settings::FeaturedTagsController < Settings::BaseController
+  layout 'admin'
+
+  before_action :authenticate_user!
+  before_action :set_featured_tags, only: :index
+  before_action :set_featured_tag, except: [:index, :create]
+  before_action :set_most_used_tags, only: :index
+
+  def index
+    @featured_tag = FeaturedTag.new
+  end
+
+  def create
+    @featured_tag = current_account.featured_tags.new(featured_tag_params)
+    @featured_tag.reset_data
+
+    if @featured_tag.save
+      redirect_to settings_featured_tags_path
+    else
+      set_featured_tags
+      set_most_used_tags
+
+      render :index
+    end
+  end
+
+  def destroy
+    @featured_tag.destroy!
+    redirect_to settings_featured_tags_path
+  end
+
+  private
+
+  def set_featured_tag
+    @featured_tag = current_account.featured_tags.find(params[:id])
+  end
+
+  def set_featured_tags
+    @featured_tags = current_account.featured_tags.reject(&:new_record?)
+  end
+
+  def set_most_used_tags
+    @most_used_tags = Tag.most_used(current_account).where.not(id: @featured_tags.map(&:id)).limit(10)
+  end
+
+  def featured_tag_params
+    params.require(:featured_tag).permit(:name)
+  end
+end
diff --git a/app/controllers/settings/profiles_controller.rb b/app/controllers/settings/profiles_controller.rb
index db9081fdf..8b640cdca 100644
--- a/app/controllers/settings/profiles_controller.rb
+++ b/app/controllers/settings/profiles_controller.rb
@@ -32,6 +32,6 @@ class Settings::ProfilesController < Settings::BaseController
   end
 
   def set_account
-    @account = current_user.account
+    @account = current_account
   end
 end
diff --git a/app/controllers/settings/sessions_controller.rb b/app/controllers/settings/sessions_controller.rb
index 11b150ffd..84ebb21f2 100644
--- a/app/controllers/settings/sessions_controller.rb
+++ b/app/controllers/settings/sessions_controller.rb
@@ -1,6 +1,7 @@
 # frozen_string_literal: true
 
 class Settings::SessionsController < Settings::BaseController
+  before_action :authenticate_user!
   before_action :set_session, only: :destroy
 
   def destroy