Fix Rubocop offences (#2630)

* disable Bundler/OrderedGems

* fix rubocop Lint/UselessAssignment

* fix rubocop Style/BlockDelimiters

* fix rubocop Style/AlignHash

* fix rubocop Style/AlignParameters, Style/EachWithObject

* fix rubocop Style/SpaceInLambdaLiteral

6 files changed, 19 insertions, 16 deletions

diff --git a/.rubocop.yml b/.rubocop.yml
index bc43fee81..674865c46 100644
--- a/.rubocop.yml
+++ b/.rubocop.yml
@@ -77,6 +77,9 @@ Style/Lambda:
 Rails/HasAndBelongsToMany:
   Enabled: false
 
+Bundler/OrderedGems:
+  Enabled: false
+
 AllCops:
   TargetRubyVersion: 2.3
   Exclude:
diff --git a/app/controllers/auth/sessions_controller.rb b/app/controllers/auth/sessions_controller.rb
index 09e67ec59..4a5e0da6e 100644
--- a/app/controllers/auth/sessions_controller.rb
+++ b/app/controllers/auth/sessions_controller.rb
@@ -51,7 +51,7 @@ class Auth::SessionsController < Devise::SessionsController
   def valid_otp_attempt?(user)
     user.validate_and_consume_otp!(user_params[:otp_attempt]) ||
       user.invalidate_otp_backup_code!(user_params[:otp_attempt])
-  rescue OpenSSL::Cipher::CipherError => error
+  rescue OpenSSL::Cipher::CipherError => _error
     false
   end
 
diff --git a/app/controllers/concerns/localized.rb b/app/controllers/concerns/localized.rb
index 44762df2a..5501b6793 100644
--- a/app/controllers/concerns/localized.rb
+++ b/app/controllers/concerns/localized.rb
@@ -17,9 +17,9 @@ module Localized
   end
 
   def default_locale
-    ENV.fetch('DEFAULT_LOCALE') {
+    ENV.fetch('DEFAULT_LOCALE') do
       user_supplied_locale || I18n.default_locale
-    }
+    end
   end
 
   def user_supplied_locale
diff --git a/app/mailers/notification_mailer.rb b/app/mailers/notification_mailer.rb
index a163edd3c..2bfc77721 100644
--- a/app/mailers/notification_mailer.rb
+++ b/app/mailers/notification_mailer.rb
@@ -60,11 +60,11 @@ class NotificationMailer < ApplicationMailer
 
     I18n.with_locale(@me.user.locale || I18n.default_locale) do
       mail to: @me.user.email,
-        subject: I18n.t(
-          :subject,
-          scope: [:notification_mailer, :digest],
-          count: @notifications.size
-        )
+           subject: I18n.t(
+             :subject,
+             scope: [:notification_mailer, :digest],
+             count: @notifications.size
+           )
     end
   end
 end
diff --git a/app/models/account.rb b/app/models/account.rb
index 798042b3b..03584b4e6 100644
--- a/app/models/account.rb
+++ b/app/models/account.rb
@@ -75,12 +75,12 @@ class Account < ApplicationRecord
   scope :by_domain_accounts, -> { group(:domain).select(:domain, 'COUNT(*) AS accounts_count').order('accounts_count desc') }
 
   delegate :email,
-    :current_sign_in_ip,
-    :current_sign_in_at,
-    :confirmed?,
-    to: :user,
-    prefix: true,
-    allow_nil: true
+           :current_sign_in_ip,
+           :current_sign_in_at,
+           :confirmed?,
+           to: :user,
+           prefix: true,
+           allow_nil: true
 
   def follow!(other_account)
     active_relationships.where(target_account: other_account).first_or_create!(target_account: other_account)
@@ -329,7 +329,7 @@ class Account < ApplicationRecord
     private
 
     def follow_mapping(query, field)
-      query.pluck(field).inject({}) { |mapping, id| mapping[id] = true; mapping }
+      query.pluck(field).each_with_object({}) { |id, mapping| mapping[id] = true }
     end
 
     def avatar_styles(file)
diff --git a/app/models/concerns/paginable.rb b/app/models/concerns/paginable.rb
index b3df081c0..9e95cd649 100644
--- a/app/models/concerns/paginable.rb
+++ b/app/models/concerns/paginable.rb
@@ -4,7 +4,7 @@ module Paginable
   extend ActiveSupport::Concern
 
   included do
-    scope :paginate_by_max_id, -> (limit, max_id = nil, since_id = nil) {
+    scope :paginate_by_max_id, ->(limit, max_id = nil, since_id = nil) {
       query = order(arel_table[:id].desc).limit(limit)
       query = query.where(arel_table[:id].lt(max_id)) unless max_id.blank?
       query = query.where(arel_table[:id].gt(since_id)) unless since_id.blank?