Fix lint errors

app/controllers/ajax/relationship_controller.rb

@@ -12,11 +12,11 @@ class Ajax::RelationshipController < AjaxController
 
     UseCase::Relationship::Create.call(
       current_user: current_user.screen_name,
-      target_user: params[:target_user],
+      target_user:  params[:target_user],
-      type: params[:type]
+      type:         params[:type]
     )
     @response[:success] = true
-    @response[:message] = t('messages.friend.create.success')
+    @response[:message] = t("messages.friend.create.success")
   rescue Errors::Base => e
     @response[:message] = t(e.locale_tag)
   ensure
@@ -26,11 +26,11 @@ class Ajax::RelationshipController < AjaxController
   def destroy
     UseCase::Relationship::Destroy.call(
       current_user: current_user.screen_name,
-      target_user: params[:target_user],
+      target_user:  params[:target_user],
-      type: params[:type]
+      type:         params[:type]
     )
     @response[:success] = true
-    @response[:message] = t('messages.friend.create.success')
+    @response[:message] = t("messages.friend.create.success")
   rescue Errors::Base => e
     @response[:message] = t(e.locale_tag)
   ensure

app/controllers/ajax_controller.rb

@@ -12,7 +12,7 @@ class AjaxController < ApplicationController
     @response = {
       success: false,
       message: "Something went wrong",
-      status: :err
+      status:  :err
     }
 
     return_response
@@ -24,7 +24,7 @@ class AjaxController < ApplicationController
     @response = {
       success: false,
       message: "Missing parameter: #{e.key}",
-      status: :err
+      status:  :err
     }
 
     return_response
@@ -36,7 +36,7 @@ class AjaxController < ApplicationController
     @response = {
       success: false,
       message: "Invalid parameter",
-      status: :err
+      status:  :err
     }
 
     return_response
@@ -48,7 +48,7 @@ class AjaxController < ApplicationController
     @response = {
       success: false,
       message: "Record not found",
-      status: :not_found
+      status:  :not_found
     }
 
     return_response
@@ -59,8 +59,8 @@ class AjaxController < ApplicationController
 
     @response = {
       success: false,
-      message: I18n.t('messages.parameter_error', parameter: e.param.capitalize),
+      message: I18n.t("messages.parameter_error", parameter: e.param.capitalize),
-      status: :parameter_error
+      status:  :parameter_error
     }
 
     return_response
@@ -75,8 +75,8 @@ class AjaxController < ApplicationController
   def build_response
     @response = {
       success: false,
-      message: '',
+      message: "",
-      status: 'unknown'
+      status:  "unknown"
     }
   end
 

app/controllers/user_controller.rb

@@ -96,6 +96,7 @@ class UserController < ApplicationController
     end
   end
 
+  # rubocop:disable Metrics/AbcSize
   def followings
     @title = 'Following'
     @user = User.where('LOWER(screen_name) = ?', params[:username].downcase).includes(:profile).first!
@@ -109,6 +110,7 @@ class UserController < ApplicationController
       format.js { render "show_follow", layout: false }
     end
   end
+  # rubocop:enable Metrics/AbcSize
 
   def questions
     @title = 'Questions'

app/models/relationships/follow.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 class Relationships::Follow < Relationship
   after_create do
     Notification.notify target, self

app/models/user/relationship/follow.rb

@@ -8,12 +8,12 @@ class User
       extend ActiveSupport::Concern
 
       included do
-        has_many :active_follow_relationships, class_name: "Relationships::Follow",
+        has_many :active_follow_relationships, class_name:  "Relationships::Follow",
                                                foreign_key: "source_id",
-                                               dependent: :destroy
+                                               dependent:   :destroy
-        has_many :passive_follow_relationships, class_name: "Relationships::Follow",
+        has_many :passive_follow_relationships, class_name:  "Relationships::Follow",
                                                 foreign_key: "target_id",
-                                                dependent: :destroy
+                                                dependent:   :destroy
         has_many :followings, through: :active_follow_relationships, source: :target
         has_many :followers,  through: :passive_follow_relationships, source: :source
       end
@@ -21,6 +21,7 @@ class User
       # Follow an user
       def follow(target_user)
         raise Errors::FollowingSelf if target_user == self
+
         create_relationship(active_follow_relationships, target_user)
       end
 

app/models/user/timeline_methods.rb

@@ -7,6 +7,6 @@ module User::TimelineMethods
 
   # @return [Array] the users' timeline
   def timeline
-    Answer.where('user_id in (?) OR user_id = ?', following_ids, id).order(:created_at).reverse_order.includes(comments: [:user, :smiles], question: [:user], user: [:profile], smiles: [:user])
+    Answer.where("user_id in (?) OR user_id = ?", following_ids, id).order(:created_at).reverse_order.includes(comments: %i[user smiles], question: [:user], user: [:profile], smiles: [:user])
   end
 end

db/migrate/20211231155702_add_type_to_relationships.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 class AddTypeToRelationships < ActiveRecord::Migration[5.2]
   def up
     add_column :relationships, :type, :string

db/migrate/20211231212335_remove_relationship_counters_from_users.rb

@@ -1,6 +1,8 @@
+# frozen_string_literal: true
+
 class RemoveRelationshipCountersFromUsers < ActiveRecord::Migration[5.2]
   def change
-    remove_column :users, :follower_count
+    remove_column :users, :follower_count, :integer
-    remove_column :users, :friend_count
+    remove_column :users, :friend_count, :integer
   end
 end

lib/exporter.rb

@@ -232,8 +232,8 @@ class Exporter
 
   def user_stub(user)
     uobj = {}
-    %i(answered_count asked_count comment_smiled_count commented_count created_at
+    %i[answered_count asked_count comment_smiled_count commented_count created_at
-       id permanently_banned screen_name smiled_count).each do |f|
+       id permanently_banned screen_name smiled_count].each do |f|
       uobj[f] = user.send f
     end
 

lib/types.rb

@@ -1,9 +1,9 @@
 # frozen_string_literal: true
 
-require 'dry-types'
+require "dry-types"
 
 module Types
   include Dry.Types()
 
-  RelationshipTypes = Types::String.enum('follow')
+  RelationshipTypes = Types::String.enum("follow")
 end

lib/use_case/relationship/create.rb

@@ -17,9 +17,9 @@ module UseCase
         source_user.public_send(type, target_user)
 
         {
-          status: 201,
+          status:   201,
           resource: true,
-          extra: {
+          extra:    {
             target_user: target_user
           }
         }
@@ -29,6 +29,7 @@ module UseCase
 
       def find_source_user
         return current_user if current_user.is_a?(::User)
+
         ::User.find_by!(screen_name: current_user)
       rescue ActiveRecord::RecordNotFound
         raise Errors::UserNotFound
@@ -36,6 +37,7 @@ module UseCase
 
       def find_target_user
         return target_user if target_user.is_a?(::User)
+
         ::User.find_by!(screen_name: target_user)
       rescue ActiveRecord::RecordNotFound
         raise Errors::UserNotFound

lib/use_case/relationship/destroy.rb

@@ -17,9 +17,9 @@ module UseCase
         source_user.public_send("un#{type}", target_user)
 
         {
-          status: 204,
+          status:   204,
           resource: nil,
-          extra: {
+          extra:    {
             target_user: target_user
           }
         }

spec/controllers/ajax/relationship_controller_spec.rb

@@ -5,7 +5,7 @@ require "rails_helper"
 
 describe Ajax::RelationshipController, type: :controller do
   shared_examples_for "params is empty" do
-    let(:params) { }
+    let(:params) { {} }
 
     include_examples "ajax does not succeed", "is required"
   end

spec/lib/use_case/relationship/create_spec.rb

@@ -40,9 +40,9 @@ describe UseCase::Relationship::Create do
 
   let(:base_params) do
     {
-      current_user:    current_user,
+      current_user: current_user,
-      target_user:     target_user,
+      target_user:  target_user,
-      type:            type
+      type:         type
     }
   end
   let(:params)          { base_params }

spec/lib/use_case/relationship/destroy_spec.rb

@@ -28,14 +28,14 @@ describe UseCase::Relationship::Destroy do
 
     context "current_user does not exist" do
       let(:current_user) { "Schweinsbraten" }
-      let(:target_user)     { user2.screen_name }
+      let(:target_user) { user2.screen_name }
 
       include_examples "raises an error", Errors::UserNotFound
     end
 
     context "target_user does not exist" do
       let(:current_user) { user1.screen_name }
-      let(:target_user)     { "peterwitzig" }
+      let(:target_user) { "peterwitzig" }
 
       include_examples "raises an error", Errors::UserNotFound
     end
@@ -44,8 +44,8 @@ describe UseCase::Relationship::Destroy do
   let(:base_params) do
     {
       current_user: current_user,
-      target_user:     target_user,
+      target_user:  target_user,
-      type:            type
+      type:         type
     }
   end
   let(:params)          { base_params }