Fix most rubocop issues (#2165)

* Run rubocop --autocorrect on app/, config/ and lib/, also manually fix some remaining style issues

* Run rubocop --autocorrect-all on db/

* Run rubocop --autocorrect-all on `spec/` and fix remaining issues

18 files changed, 70 insertions, 70 deletions

diff --git a/app/controllers/api/v1/timelines/public_controller.rb b/app/controllers/api/v1/timelines/public_controller.rb
index 493fe4776..4675af921 100644
--- a/app/controllers/api/v1/timelines/public_controller.rb
+++ b/app/controllers/api/v1/timelines/public_controller.rb
@@ -40,7 +40,7 @@ class Api::V1::Timelines::PublicController < Api::BaseController
       only_media: truthy_param?(:only_media),
       allow_local_only: truthy_param?(:allow_local_only),
       with_replies: Setting.show_replies_in_public_timelines,
-      with_reblogs: Setting.show_reblogs_in_public_timelines,
+      with_reblogs: Setting.show_reblogs_in_public_timelines
     )
   end
 
diff --git a/app/controllers/auth/confirmations_controller.rb b/app/controllers/auth/confirmations_controller.rb
index 0817a905c..620fb621d 100644
--- a/app/controllers/auth/confirmations_controller.rb
+++ b/app/controllers/auth/confirmations_controller.rb
@@ -15,12 +15,6 @@ class Auth::ConfirmationsController < Devise::ConfirmationsController
 
   skip_before_action :require_functional!
 
-  def new
-    super
-
-    resource.email = current_user.unconfirmed_email || current_user.email if user_signed_in?
-  end
-
   def show
     old_session_values = session.to_hash
     reset_session
@@ -29,6 +23,12 @@ class Auth::ConfirmationsController < Devise::ConfirmationsController
     super
   end
 
+  def new
+    super
+
+    resource.email = current_user.unconfirmed_email || current_user.email if user_signed_in?
+  end
+
   def confirm_captcha
     check_captcha! do |message|
       flash.now[:alert] = message
@@ -51,6 +51,7 @@ class Auth::ConfirmationsController < Devise::ConfirmationsController
     # step.
     confirmation_token = params[:confirmation_token]
     return if confirmation_token.nil?
+
     @confirmation_user = User.find_first_by_auth_conditions(confirmation_token: confirmation_token)
   end
 
diff --git a/app/controllers/settings/flavours_controller.rb b/app/controllers/settings/flavours_controller.rb
index c1172598b..b179b9429 100644
--- a/app/controllers/settings/flavours_controller.rb
+++ b/app/controllers/settings/flavours_controller.rb
@@ -12,9 +12,7 @@ class Settings::FlavoursController < Settings::BaseController
   end
 
   def show
-    unless Themes.instance.flavours.include?(params[:flavour]) || (params[:flavour] == current_flavour)
-      redirect_to action: 'show', flavour: current_flavour
-    end
+    redirect_to action: 'show', flavour: current_flavour unless Themes.instance.flavours.include?(params[:flavour]) || (params[:flavour] == current_flavour)
 
     @listing = Themes.instance.flavours
     @selected = params[:flavour]
diff --git a/app/helpers/accounts_helper.rb b/app/helpers/accounts_helper.rb
index 91c3a116b..b8277ee17 100644
--- a/app/helpers/accounts_helper.rb
+++ b/app/helpers/accounts_helper.rb
@@ -28,7 +28,7 @@ module AccountsHelper
   end
 
   def hide_followers_count?(account)
-    Setting.hide_followers_count || account.user&.settings['hide_followers_count']
+    Setting.hide_followers_count || account.user&.settings&.[]('hide_followers_count')
   end
 
   def account_description(account)
diff --git a/app/lib/advanced_text_formatter.rb b/app/lib/advanced_text_formatter.rb
index 21e81d4d1..cdf1e2d9c 100644
--- a/app/lib/advanced_text_formatter.rb
+++ b/app/lib/advanced_text_formatter.rb
@@ -15,6 +15,7 @@ class AdvancedTextFormatter < TextFormatter
 
     def autolink(link, link_type)
       return link if link_type == :email
+
       @format_link.call(link)
     end
   end
diff --git a/app/lib/feed_manager.rb b/app/lib/feed_manager.rb
index 4ce888fc9..15ff6d15f 100644
--- a/app/lib/feed_manager.rb
+++ b/app/lib/feed_manager.rb
@@ -306,6 +306,7 @@ class FeedManager
 
       statuses.each do |status|
         next if filter_from_direct?(status, account)
+
         added += 1 if add_to_feed(:direct, account.id, status)
       end
 
@@ -459,6 +460,7 @@ class FeedManager
   # @return [Boolean]
   def filter_from_direct?(status, receiver_id)
     return false if receiver_id == status.account_id
+
     filter_from_mentions?(status, receiver_id)
   end
 
diff --git a/app/lib/themes.rb b/app/lib/themes.rb
index 81e016d4a..45ba47780 100644
--- a/app/lib/themes.rb
+++ b/app/lib/themes.rb
@@ -7,24 +7,23 @@ class Themes
   include Singleton
 
   def initialize
-
     core = YAML.load_file(Rails.root.join('app', 'javascript', 'core', 'theme.yml'))
-    core['pack'] = Hash.new unless core['pack']
+    core['pack'] = {} unless core['pack']
 
-    result = Hash.new
-    Dir.glob(Rails.root.join('app', 'javascript', 'flavours', '*', 'theme.yml')) do |path|
-      data = YAML.load_file(path)
+    result = {}
+    Rails.root.glob('app/javascript/flavours/*/theme.yml') do |pathname|
+      data = YAML.load_file(pathname)
       next unless data['pack']
 
-      dir = File.dirname(path)
-      name = File.basename(dir)
+      dir = pathname.dirname
+      name = dir.basename.to_s
       locales = []
       screenshots = []
 
       if data['locales']
         Dir.glob(File.join(dir, data['locales'], '*.{js,json}')) do |locale|
-          localeName = File.basename(locale, File.extname(locale))
-          locales.push(localeName) unless localeName.match(/defaultMessages|whitelist|index/)
+          locale_name = File.basename(locale, File.extname(locale))
+          locales.push(locale_name) unless /defaultMessages|whitelist|index/.match?(locale_name)
         end
       end
 
@@ -43,34 +42,30 @@ class Themes
       result[name] = data
     end
 
-    Dir.glob(Rails.root.join('app', 'javascript', 'skins', '*', '*')) do |path|
-      ext = File.extname(path)
-      skin = File.basename(path)
-      name = File.basename(File.dirname(path))
+    Rails.root.glob('app/javascript/skins/*/*') do |pathname|
+      ext = pathname.extname.to_s
+      skin = pathname.basename.to_s
+      name = pathname.dirname.basename.to_s
       next unless result[name]
 
-      if File.directory?(path)
+      if pathname.directory?
         pack = []
-        Dir.glob(File.join(path, '*.{css,scss}')) do |sheet|
-          pack.push(File.basename(sheet, File.extname(sheet)))
+        pathname.glob('*.{css,scss}') do |sheet|
+          pack.push(sheet.basename(sheet.extname).to_s)
         end
-      elsif ext.match(/^\.s?css$/i)
-        skin = File.basename(path, ext)
+      elsif /^\.s?css$/i.match?(ext)
+        skin = pathname.basename(ext).to_s
         pack = ['common']
       end
 
-      if skin != 'default'
-        result[name]['skin'][skin] = pack
-      end
+      result[name]['skin'][skin] = pack if skin != 'default'
     end
 
     @core = core
     @conf = result
   end
 
-  def core
-    @core
-  end
+  attr_reader :core
 
   def flavour(name)
     @conf[name]
@@ -86,7 +81,7 @@ class Themes
 
   def flavours_and_skins
     flavours.map do |flavour|
-      [flavour, skins_for(flavour).map{ |skin| [flavour, skin] }]
+      [flavour, skins_for(flavour).map { |skin| [flavour, skin] }]
     end
   end
 end
diff --git a/app/models/direct_feed.rb b/app/models/direct_feed.rb
index 1f2448070..689a735b3 100644
--- a/app/models/direct_feed.rb
+++ b/app/models/direct_feed.rb
@@ -4,9 +4,8 @@ class DirectFeed < Feed
   include Redisable
 
   def initialize(account)
-    @type    = :direct
-    @id      = account.id
     @account = account
+    super(:direct, account.id)
   end
 
   def get(limit, max_id = nil, since_id = nil, min_id = nil)
@@ -19,10 +18,12 @@ class DirectFeed < Feed
 
   private
 
-  def from_database(limit, max_id, since_id, min_id)
+  # TODO: _min_id is not actually handled by `as_direct_timeline`
+  def from_database(limit, max_id, since_id, _min_id)
     loop do
-      statuses = Status.as_direct_timeline(@account, limit, max_id, since_id, min_id)
+      statuses = Status.as_direct_timeline(@account, limit, max_id, since_id)
       return statuses if statuses.empty?
+
       max_id = statuses.last.id
       statuses = statuses.reject { |status| FeedManager.instance.filter?(:direct, status, @account) }
       return statuses unless statuses.empty?
diff --git a/app/models/status.rb b/app/models/status.rb
index e01ddb5c5..8a58e5d68 100644
--- a/app/models/status.rb
+++ b/app/models/status.rb
@@ -338,7 +338,7 @@ class Status < ApplicationRecord
       visibilities.keys - %w(direct limited)
     end
 
-    def as_direct_timeline(account, limit = 20, max_id = nil, since_id = nil, cache_ids = false)
+    def as_direct_timeline(account, limit = 20, max_id = nil, since_id = nil)
       # direct timeline is mix of direct message from_me and to_me.
       # 2 queries are executed with pagination.
       # constant expression using arel_table is required for partial index
@@ -369,14 +369,9 @@ class Status < ApplicationRecord
         query_to_me = query_to_me.where('mentions.status_id > ?', since_id)
       end
 
-      if cache_ids
-        # returns array of cache_ids object that have id and updated_at
-        (query_from_me.cache_ids.to_a + query_to_me.cache_ids.to_a).uniq(&:id).sort_by(&:id).reverse.take(limit)
-      else
-        # returns ActiveRecord.Relation
-        items = (query_from_me.select(:id).to_a + query_to_me.select(:id).to_a).uniq(&:id).sort_by(&:id).reverse.take(limit)
-        Status.where(id: items.map(&:id))
-      end
+      # returns ActiveRecord.Relation
+      items = (query_from_me.select(:id).to_a + query_to_me.select(:id).to_a).uniq(&:id).sort_by(&:id).reverse.take(limit)
+      Status.where(id: items.map(&:id))
     end
 
     def favourites_map(status_ids, account_id)
@@ -553,9 +548,9 @@ class Status < ApplicationRecord
   end
 
   def set_locality
-    if account.domain.nil? && !attribute_changed?(:local_only)
-      self.local_only = marked_local_only?
-    end
+    return unless account.domain.nil? && !attribute_changed?(:local_only)
+
+    self.local_only = marked_local_only?
   end
 
   def set_conversation
diff --git a/app/models/user.rb b/app/models/user.rb
index 3471bb2c1..daf8768e8 100644
--- a/app/models/user.rb
+++ b/app/models/user.rb
@@ -244,7 +244,6 @@ class User < ApplicationRecord
   end
 
   def functional?
-
     functional_or_moved?
   end
 
diff --git a/app/serializers/activitypub/note_serializer.rb b/app/serializers/activitypub/note_serializer.rb
index ca067ed9b..52ffaf717 100644
--- a/app/serializers/activitypub/note_serializer.rb
+++ b/app/serializers/activitypub/note_serializer.rb
@@ -32,6 +32,7 @@ class ActivityPub::NoteSerializer < ActivityPub::Serializer
 
   def id
     raise Mastodon::NotPermittedError, 'Local-only statuses should not be serialized' if object.local_only? && !instance_options[:allow_local_only]
+
     ActivityPub::TagManager.instance.uri_for(object)
   end
 
diff --git a/app/serializers/rest/account_serializer.rb b/app/serializers/rest/account_serializer.rb
index e6c8fe4b2..d4e7ac974 100644
--- a/app/serializers/rest/account_serializer.rb
+++ b/app/serializers/rest/account_serializer.rb
@@ -91,7 +91,7 @@ class REST::AccountSerializer < ActiveModel::Serializer
   end
 
   def followers_count
-    (Setting.hide_followers_count || object.user&.setting_hide_followers_count) ? -1 : object.followers_count
+    Setting.hide_followers_count || object.user&.setting_hide_followers_count ? -1 : object.followers_count
   end
 
   def display_name
diff --git a/app/serializers/rest/mute_serializer.rb b/app/serializers/rest/mute_serializer.rb
index 043a2f059..c9b55ff16 100644
--- a/app/serializers/rest/mute_serializer.rb
+++ b/app/serializers/rest/mute_serializer.rb
@@ -2,7 +2,7 @@
 
 class REST::MuteSerializer < ActiveModel::Serializer
   include RoutingHelper
-  
+
   attributes :id, :account, :target_account, :created_at, :hide_notifications
 
   def account
@@ -12,4 +12,4 @@ class REST::MuteSerializer < ActiveModel::Serializer
   def target_account
     REST::AccountSerializer.new(object.target_account)
   end
-end
\ No newline at end of file
+end
diff --git a/app/serializers/rest/status_serializer.rb b/app/serializers/rest/status_serializer.rb
index 659c45b83..eb5f3c3ea 100644
--- a/app/serializers/rest/status_serializer.rb
+++ b/app/serializers/rest/status_serializer.rb
@@ -13,7 +13,7 @@ class REST::StatusSerializer < ActiveModel::Serializer
   attribute :muted, if: :current_user?
   attribute :bookmarked, if: :current_user?
   attribute :pinned, if: :pinnable?
-  attribute :local_only if :local?
+  attribute :local_only, if: :local?
   has_many :filtered, serializer: REST::FilterResultSerializer, if: :current_user?
 
   attribute :content, unless: :source_requested?
@@ -32,6 +32,8 @@ class REST::StatusSerializer < ActiveModel::Serializer
   has_one :preview_card, key: :card, serializer: REST::PreviewCardSerializer
   has_one :preloadable_poll, key: :poll, serializer: REST::PollSerializer
 
+  delegate :local?, to: :object
+
   def id
     object.id.to_s
   end
diff --git a/app/services/backup_service.rb b/app/services/backup_service.rb
index a9d740211..c5e7a8e58 100644
--- a/app/services/backup_service.rb
+++ b/app/services/backup_service.rb
@@ -154,7 +154,7 @@ class BackupService < BaseService
       object,
       serializer: serializer,
       adapter: ActivityPub::Adapter,
-      allow_local_only: true,
+      allow_local_only: true
     ).as_json
   end
 
diff --git a/app/services/fan_out_on_write_service.rb b/app/services/fan_out_on_write_service.rb
index 8e74e152e..3b14a6748 100644
--- a/app/services/fan_out_on_write_service.rb
+++ b/app/services/fan_out_on_write_service.rb
@@ -116,7 +116,7 @@ class FanOutOnWriteService < BaseService
   end
 
   def deliver_to_direct_timelines!
-    FeedInsertWorker.push_bulk(@status.mentions.includes(:account).map(&:account).select { |mentioned_account| mentioned_account.local? }) do |account|
+    FeedInsertWorker.push_bulk(@status.mentions.includes(:account).map(&:account).select(&:local?)) do |account|
       [@status.id, account.id, 'direct', { 'update' => update? }]
     end
   end
diff --git a/app/services/post_status_service.rb b/app/services/post_status_service.rb
index bca3b3ff7..74ec47a33 100644
--- a/app/services/post_status_service.rb
+++ b/app/services/post_status_service.rb
@@ -61,17 +61,22 @@ class PostStatusService < BaseService
 
   private
 
-  def preprocess_attributes!
-    if @text.blank? && @options[:spoiler_text].present?
-     @text = '.'
-     if @media&.find(&:video?) || @media&.find(&:gifv?)
-       @text = '📹'
-     elsif @media&.find(&:audio?)
-       @text = '🎵'
-     elsif @media&.find(&:image?)
-       @text = '🖼'
-     end
+  def fill_blank_text!
+    return unless @text.blank? && @options[:spoiler_text].present?
+
+    if @media&.any?(&:video?) || @media&.any?(&:gifv?)
+      @text = '📹'
+    elsif @media&.any?(&:audio?)
+      @text = '🎵'
+    elsif @media&.any?(&:image?)
+      @text = '🖼'
+    else
+      @text = '.'
     end
+  end
+
+  def preprocess_attributes!
+    fill_blank_text!
     @sensitive    = (@options[:sensitive].nil? ? @account.user&.setting_default_sensitive : @options[:sensitive]) || @options[:spoiler_text].present?
     @visibility   = @options[:visibility] || @account.user&.setting_default_privacy
     @visibility   = :unlisted if @visibility&.to_sym == :public && @account.silenced?
diff --git a/app/validators/status_pin_validator.rb b/app/validators/status_pin_validator.rb
index 9466a81fe..4af7bd295 100644
--- a/app/validators/status_pin_validator.rb
+++ b/app/validators/status_pin_validator.rb
@@ -7,6 +7,6 @@ class StatusPinValidator < ActiveModel::Validator
     pin.errors.add(:base, I18n.t('statuses.pin_errors.reblog')) if pin.status.reblog?
     pin.errors.add(:base, I18n.t('statuses.pin_errors.ownership')) if pin.account_id != pin.status.account_id
     pin.errors.add(:base, I18n.t('statuses.pin_errors.direct')) if pin.status.direct_visibility?
-    pin.errors.add(:base, I18n.t('statuses.pin_errors.limit')) if pin.account.status_pins.count >= MAX_PINNED  && pin.account.local?
+    pin.errors.add(:base, I18n.t('statuses.pin_errors.limit')) if pin.account.status_pins.count >= MAX_PINNED && pin.account.local?
   end
 end