Merge branch 'rubocop/enable-access-modifiers-cops' into 'master'

Rubocop - enable cops access modifiers

This is sync with https://gitlab.com/gitlab-org/gitlab-ce/merge_requests/5014

See merge request !603

.rubocop.yml

@@ -510,6 +510,15 @@ Metrics/PerceivedComplexity:
 
 #################### Lint ################################
 
+# Checks for useless access modifiers.
+Lint/UselessAccessModifier:
+  Enabled: true
+
+# Checks for attempts to use `private` or `protected` to set the visibility
+# of a class method, which does not work.
+Lint/IneffectiveAccessModifier:
+  Enabled: false
+
 # Checks for ambiguous operators in the first argument of a method invocation
 # without parentheses.
 Lint/AmbiguousOperator:

.rubocop_todo.yml

@@ -19,10 +19,6 @@ Lint/AssignmentInCondition:
 Lint/HandleExceptions:
   Enabled: false
 
-# Offense count: 21
-Lint/IneffectiveAccessModifier:
-  Enabled: false
-
 # Offense count: 2
 Lint/Loop:
   Enabled: false
@@ -48,10 +44,6 @@ Lint/UnusedBlockArgument:
 Lint/UnusedMethodArgument:
   Enabled: false
 
-# Offense count: 11
-Lint/UselessAccessModifier:
-  Enabled: false
-
 # Offense count: 12
 # Cop supports --auto-correct.
 Performance/PushSplat:

app/controllers/import/bitbucket_controller.rb

@@ -82,8 +82,6 @@ class Import::BitbucketController < Import::BaseController
     go_to_bitbucket_for_permissions
   end
 
-  private
-
   def access_params
     {
       bitbucket_access_token: session[:bitbucket_access_token],

app/controllers/import/gitlab_controller.rb

@@ -61,8 +61,6 @@ class Import::GitlabController < Import::BaseController
     go_to_gitlab_for_permissions
   end
 
-  private
-
   def access_params
     { gitlab_access_token: session[:gitlab_access_token] }
   end

app/helpers/diff_helper.rb

@@ -144,8 +144,6 @@ module DiffHelper
     toggle_whitespace_link(url, options)
   end
 
-  private
-
   def hide_whitespace?
     params[:w] == '1'
   end

app/models/concerns/token_authenticatable.rb

 module TokenAuthenticatable
   extend ActiveSupport::Concern
 
+  private
+
+  def write_new_token(token_field)
+    new_token = generate_token(token_field)
+    write_attribute(token_field, new_token)
+  end
+
+  def generate_token(token_field)
+    loop do
+      token = Devise.friendly_token
+      break token unless self.class.unscoped.find_by(token_field => token)
+    end
+  end
+
   class_methods do
     def authentication_token_fields
       @token_fields || []
     end
 
-    private
+    private # rubocop:disable Lint/UselessAccessModifier
 
     def add_authentication_token_field(token_field)
       @token_fields = [] unless @token_fields
@@ -32,18 +46,4 @@ module TokenAuthenticatable
       end
     end
   end
-
-  private
-
-  def write_new_token(token_field)
-    new_token = generate_token(token_field)
-    write_attribute(token_field, new_token)
-  end
-
-  def generate_token(token_field)
-    loop do
-      token = Devise.friendly_token
-      break token unless self.class.unscoped.find_by(token_field => token)
-    end
-  end
 end

app/services/auth/container_registry_authentication_service.rb

@@ -28,6 +28,10 @@ module Auth
       token.encoded
     end
 
+    def self.token_expire_at
+      Time.now + current_application_settings.container_registry_token_expire_delay.minutes
+    end
+
     private
 
     def authorized_token(*accesses)
@@ -35,7 +39,7 @@ module Auth
       token.issuer = registry.issuer
       token.audience = params[:service]
       token.subject = current_user.try(:username)
-      token.expire_time = ContainerRegistryAuthenticationService.token_expire_at
+      token.expire_time = self.class.token_expire_at
       token[:access] = accesses.compact
       token
     end
@@ -81,9 +85,5 @@ module Auth
     def registry
       Gitlab.config.registry
     end
-
-    def self.token_expire_at
-      Time.now + current_application_settings.container_registry_token_expire_delay.minutes
-    end
   end
 end

app/services/system_note_service.rb

@@ -2,7 +2,9 @@
 #
 # Used for creating system notes (e.g., when a user references a merge request
 # from an issue, an issue's assignee changes, an issue is closed, etc.)
-class SystemNoteService
+module SystemNoteService
+  extend self
+
   # Called when commits are added to a Merge Request
   #
   # noteable         - Noteable object
@@ -15,7 +17,7 @@ class SystemNoteService
   # See new_commit_summary and existing_commit_summary.
   #
   # Returns the created Note object
-  def self.add_commits(noteable, project, author, new_commits, existing_commits = [], oldrev = nil)
+  def add_commits(noteable, project, author, new_commits, existing_commits = [], oldrev = nil)
     total_count  = new_commits.length + existing_commits.length
     commits_text = "#{total_count} commit".pluralize(total_count)
 
@@ -40,7 +42,7 @@ class SystemNoteService
   #   "Reassigned to @rspeicher"
   #
   # Returns the created Note object
-  def self.change_assignee(noteable, project, author, assignee)
+  def change_assignee(noteable, project, author, assignee)
     body = assignee.nil? ? 'Assignee removed' : "Reassigned to #{assignee.to_reference}"
 
     create_note(noteable: noteable, project: project, author: author, note: body)
@@ -63,7 +65,7 @@ class SystemNoteService
   #   "Removed ~5 label"
   #
   # Returns the created Note object
-  def self.change_label(noteable, project, author, added_labels, removed_labels)
+  def change_label(noteable, project, author, added_labels, removed_labels)
     labels_count = added_labels.count + removed_labels.count
 
     references     = ->(label) { label.to_reference(format: :id) }
@@ -101,7 +103,7 @@ class SystemNoteService
   #   "Miletone changed to 7.11"
   #
   # Returns the created Note object
-  def self.change_milestone(noteable, project, author, milestone)
+  def change_milestone(noteable, project, author, milestone)
     body = 'Milestone '
     body += milestone.nil? ? 'removed' : "changed to #{milestone.to_reference(project)}"
 
@@ -123,7 +125,7 @@ class SystemNoteService
   #   "Status changed to closed by bc17db76"
   #
   # Returns the created Note object
-  def self.change_status(noteable, project, author, status, source)
+  def change_status(noteable, project, author, status, source)
     body = "Status changed to #{status}"
     body << " by #{source.gfm_reference(project)}" if source
 
@@ -131,26 +133,26 @@ class SystemNoteService
   end
 
   # Called when 'merge when build succeeds' is executed
-  def self.merge_when_build_succeeds(noteable, project, author, last_commit)
+  def merge_when_build_succeeds(noteable, project, author, last_commit)
     body = "Enabled an automatic merge when the build for #{last_commit.to_reference(project)} succeeds"
 
     create_note(noteable: noteable, project: project, author: author, note: body)
   end
 
   # Called when 'merge when build succeeds' is canceled
-  def self.cancel_merge_when_build_succeeds(noteable, project, author)
+  def cancel_merge_when_build_succeeds(noteable, project, author)
     body = 'Canceled the automatic merge'
 
     create_note(noteable: noteable, project: project, author: author, note: body)
   end
 
-  def self.remove_merge_request_wip(noteable, project, author)
+  def remove_merge_request_wip(noteable, project, author)
     body = 'Unmarked this merge request as a Work In Progress'
 
     create_note(noteable: noteable, project: project, author: author, note: body)
   end
 
-  def self.add_merge_request_wip(noteable, project, author)
+  def add_merge_request_wip(noteable, project, author)
     body = 'Marked this merge request as a **Work In Progress**'
 
     create_note(noteable: noteable, project: project, author: author, note: body)
@@ -168,7 +170,7 @@ class SystemNoteService
   #   "Title changed from **Old** to **New**"
   #
   # Returns the created Note object
-  def self.change_title(noteable, project, author, old_title)
+  def change_title(noteable, project, author, old_title)
     new_title = noteable.title.dup
 
     old_diffs, new_diffs = Gitlab::Diff::InlineDiff.new(old_title, new_title).inline_diffs
@@ -191,7 +193,7 @@ class SystemNoteService
   # "Made the issue confidential"
   #
   # Returns the created Note object
-  def self.change_issue_confidentiality(issue, project, author)
+  def change_issue_confidentiality(issue, project, author)
     body = issue.confidential ? 'Made the issue confidential' : 'Made the issue visible'
     create_note(noteable: issue, project: project, author: author, note: body)
   end
@@ -210,7 +212,7 @@ class SystemNoteService
   #   "Target branch changed from `Old` to `New`"
   #
   # Returns the created Note object
-  def self.change_branch(noteable, project, author, branch_type, old_branch, new_branch)
+  def change_branch(noteable, project, author, branch_type, old_branch, new_branch)
     body = "#{branch_type} branch changed from `#{old_branch}` to `#{new_branch}`".capitalize
     create_note(noteable: noteable, project: project, author: author, note: body)
   end
@@ -229,7 +231,7 @@ class SystemNoteService
   #   "Restored target branch `feature`"
   #
   # Returns the created Note object
-  def self.change_branch_presence(noteable, project, author, branch_type, branch, presence)
+  def change_branch_presence(noteable, project, author, branch_type, branch, presence)
     verb =
       if presence == :add
         'restored'
@@ -245,7 +247,7 @@ class SystemNoteService
   # Example note text:
   #
   #   "Started branch `201-issue-branch-button`"
-  def self.new_issue_branch(issue, project, author, branch)
+  def new_issue_branch(issue, project, author, branch)
     h = Gitlab::Routing.url_helpers
     link = h.namespace_project_compare_url(project.namespace, project, from: project.default_branch, to: branch)
 
@@ -270,7 +272,7 @@ class SystemNoteService
   # See cross_reference_note_content.
   #
   # Returns the created Note object
-  def self.cross_reference(noteable, mentioner, author)
+  def cross_reference(noteable, mentioner, author)
     return if cross_reference_disallowed?(noteable, mentioner)
 
     gfm_reference = mentioner.gfm_reference(noteable.project)
@@ -294,7 +296,7 @@ class SystemNoteService
     end
   end
 
-  def self.cross_reference?(note_text)
+  def cross_reference?(note_text)
     note_text.start_with?(cross_reference_note_prefix)
   end
 
@@ -308,7 +310,7 @@ class SystemNoteService
   # mentioner - Mentionable object
   #
   # Returns Boolean
-  def self.cross_reference_disallowed?(noteable, mentioner)
+  def cross_reference_disallowed?(noteable, mentioner)
     return true if noteable.is_a?(ExternalIssue) && !noteable.project.jira_tracker_active?
     return false unless mentioner.is_a?(MergeRequest)
     return false unless noteable.is_a?(Commit)
@@ -328,7 +330,7 @@ class SystemNoteService
   #
   # Returns Boolean
 
-  def self.cross_reference_exists?(noteable, mentioner)
+  def cross_reference_exists?(noteable, mentioner)
     # Initial scope should be system notes of this noteable type
     notes = Note.system.where(noteable_type: noteable.class)
 
@@ -342,6 +344,57 @@ class SystemNoteService
     notes_for_mentioner(mentioner, noteable, notes).count > 0
   end
 
+  # Build an Array of lines detailing each commit added in a merge request
+  #
+  # new_commits - Array of new Commit objects
+  #
+  # Returns an Array of Strings
+  def new_commit_summary(new_commits)
+    new_commits.collect do |commit|
+      "* #{commit.short_id} - #{escape_html(commit.title)}"
+    end
+  end
+
+  # Called when the status of a Task has changed
+  #
+  # noteable  - Noteable object.
+  # project   - Project owning noteable
+  # author    - User performing the change
+  # new_task  - TaskList::Item object.
+  #
+  # Example Note text:
+  #
+  #   "Soandso marked the task Whatever as completed."
+  #
+  # Returns the created Note object
+  def change_task_status(noteable, project, author, new_task)
+    status_label = new_task.complete? ? Taskable::COMPLETED : Taskable::INCOMPLETE
+    body = "Marked the task **#{new_task.source}** as #{status_label}"
+    create_note(noteable: noteable, project: project, author: author, note: body)
+  end
+
+  # Called when noteable has been moved to another project
+  #
+  # direction    - symbol, :to or :from
+  # noteable     - Noteable object
+  # noteable_ref - Referenced noteable
+  # author       - User performing the move
+  #
+  # Example Note text:
+  #
+  #   "Moved to some_namespace/project_new#11"
+  #
+  # Returns the created Note object
+  def noteable_moved(noteable, project, noteable_ref, author, direction:)
+    unless [:to, :from].include?(direction)
+      raise ArgumentError, "Invalid direction `#{direction}`"
+    end
+
+    cross_reference = noteable_ref.to_reference(project)
+    body = "Moved #{direction} #{cross_reference}"
+    create_note(noteable: noteable, project: project, author: author, note: body)
+  end
+
   # Called when the merge request is approved by user
   #
   # noteable - Noteable object
@@ -352,7 +405,7 @@ class SystemNoteService
   #   "Approved this merge request"
   #
   # Returns the created Note object
-  def self.approve_mr(noteable, user)
+  def approve_mr(noteable, user)
     body = "Approved this merge request"
 
     create_note(noteable: noteable, project: noteable.project, author: user, note: body)
@@ -360,7 +413,7 @@ class SystemNoteService
 
   private
 
-  def self.notes_for_mentioner(mentioner, noteable, notes)
+  def notes_for_mentioner(mentioner, noteable, notes)
     if mentioner.is_a?(Commit)
       notes.where('note LIKE ?', "#{cross_reference_note_prefix}%#{mentioner.to_reference(nil)}")
     else
@@ -369,29 +422,18 @@ class SystemNoteService
     end
   end
 
-  def self.create_note(args = {})
+  def create_note(args = {})
     Note.create(args.merge(system: true))
   end
 
-  def self.cross_reference_note_prefix
+  def cross_reference_note_prefix
     'mentioned in '
   end
 
-  def self.cross_reference_note_content(gfm_reference)
+  def cross_reference_note_content(gfm_reference)
     "#{cross_reference_note_prefix}#{gfm_reference}"
   end
 
-  # Build an Array of lines detailing each commit added in a merge request
-  #
-  # new_commits - Array of new Commit objects
-  #
-  # Returns an Array of Strings
-  def self.new_commit_summary(new_commits)
-    new_commits.collect do |commit|
-      "* #{commit.short_id} - #{escape_html(commit.title)}"
-    end
-  end
-
   # Build a single line summarizing existing commits being added in a merge
   # request
   #
@@ -408,7 +450,7 @@ class SystemNoteService
   #   "* ea0f8418 - 1 commit from branch `feature`"
   #
   # Returns a newline-terminated String
-  def self.existing_commit_summary(noteable, existing_commits, oldrev = nil)
+  def existing_commit_summary(noteable, existing_commits, oldrev = nil)
     return '' if existing_commits.empty?
 
     count = existing_commits.size
@@ -431,47 +473,7 @@ class SystemNoteService
     "* #{commit_ids} - #{commits_text} from branch `#{branch}`\n"
   end
 
-  # Called when the status of a Task has changed
-  #
-  # noteable  - Noteable object.
-  # project   - Project owning noteable
-  # author    - User performing the change
-  # new_task  - TaskList::Item object.
-  #
-  # Example Note text:
-  #
-  #   "Soandso marked the task Whatever as completed."
-  #
-  # Returns the created Note object
-  def self.change_task_status(noteable, project, author, new_task)
-    status_label = new_task.complete? ? Taskable::COMPLETED : Taskable::INCOMPLETE
-    body = "Marked the task **#{new_task.source}** as #{status_label}"
-    create_note(noteable: noteable, project: project, author: author, note: body)
-  end
-
-  # Called when noteable has been moved to another project
-  #
-  # direction    - symbol, :to or :from
-  # noteable     - Noteable object
-  # noteable_ref - Referenced noteable
-  # author       - User performing the move
-  #
-  # Example Note text:
-  #
-  #   "Moved to some_namespace/project_new#11"
-  #
-  # Returns the created Note object
-  def self.noteable_moved(noteable, project, noteable_ref, author, direction:)
-    unless [:to, :from].include?(direction)
-      raise ArgumentError, "Invalid direction `#{direction}`"
-    end
-
-    cross_reference = noteable_ref.to_reference(project)
-    body = "Moved #{direction} #{cross_reference}"
-    create_note(noteable: noteable, project: project, author: author, note: body)
-  end
-
-  def self.escape_html(text)
+  def escape_html(text)
     Rack::Utils.escape_html(text)
   end
 end

lib/banzai/filter/emoji_filter.rb

@@ -38,6 +38,11 @@ module Banzai
         end
       end
 
+      # Build a regexp that matches all valid :emoji: names.
+      def self.emoji_pattern
+        @emoji_pattern ||= /:(#{Gitlab::Emoji.emojis_names.map { |name| Regexp.escape(name) }.join('|')}):/
+      end
+
       private
 
       def emoji_url(name)
@@ -59,11 +64,6 @@ module Banzai
         ActionController::Base.helpers.url_to_image(image)
       end
 
-      # Build a regexp that matches all valid :emoji: names.
-      def self.emoji_pattern
-        @emoji_pattern ||= /:(#{Gitlab::Emoji.emojis_names.map { |name| Regexp.escape(name) }.join('|')}):/
-      end
-
       def emoji_pattern
         self.class.emoji_pattern
       end

lib/banzai/filter/markdown_filter.rb

@@ -12,7 +12,12 @@ module Banzai
         html
       end
 
-      private
+      def self.renderer
+        @renderer ||= begin
+          renderer = Redcarpet::Render::HTML.new
+          Redcarpet::Markdown.new(renderer, redcarpet_options)
+        end
+      end
 
       def self.redcarpet_options
         # https://github.com/vmg/redcarpet#and-its-like-really-simple-to-use
@@ -28,12 +33,7 @@ module Banzai
         }.freeze
       end
 
-      def self.renderer
-        @renderer ||= begin
-          renderer = Redcarpet::Render::HTML.new
-          Redcarpet::Markdown.new(renderer, redcarpet_options)
-        end
-      end
+      private_class_method :redcarpet_options
     end
   end
 end

lib/banzai/renderer.rb

 module Banzai
   module Renderer
+    extend self
+
     # Convert a Markdown String into an HTML-safe String of HTML
     #
     # Note that while the returned HTML will have been sanitized of dangerous
@@ -14,7 +16,7 @@ module Banzai
     # context  - Hash of context options passed to our HTML Pipeline
     #
     # Returns an HTML-safe String
-    def self.render(text, context = {})
+    def render(text, context = {})
       cache_key = context.delete(:cache_key)
       cache_key = full_cache_key(cache_key, context[:pipeline])
 
@@ -52,7 +54,7 @@ module Banzai
     #    texts_and_contexts
     #    => [{ text: '### Hello',
     #          context: { cache_key: [note, :note] } }]
-    def self.cache_collection_render(texts_and_contexts)
+    def cache_collection_render(texts_and_contexts)
       items_collection = texts_and_contexts.each_with_index do |item, index|
         context = item[:context]
         cache_key = full_cache_multi_key(context.delete(:cache_key), context[:pipeline])
@@ -81,7 +83,7 @@ module Banzai
       items_collection.map { |item| item[:rendered] }
     end
 
-    def self.render_result(text, context = {})
+    def render_result(text, context = {})
       text = Pipeline[:pre_process].to_html(text, context) if text
 
       Pipeline[context[:pipeline]].call(text, context)
@@ -100,7 +102,7 @@ module Banzai
     #            :user      - User object
     #
     # Returns an HTML-safe String
-    def self.post_process(html, context)
+    def post_process(html, context)
       context = Pipeline[context[:pipeline]].transform_context(context)
 
       pipeline = Pipeline[:post_process]
@@ -113,7 +115,7 @@ module Banzai
 
     private
 
-    def self.cacheless_render(text, context = {})
+    def cacheless_render(text, context = {})
       Gitlab::Metrics.measure(:banzai_cacheless_render) do
         result = render_result(text, context)
 
@@ -126,7 +128,7 @@ module Banzai
       end
     end
 
-    def self.full_cache_key(cache_key, pipeline_name)
+    def full_cache_key(cache_key, pipeline_name)
       return unless cache_key
       ["banzai", *cache_key, pipeline_name || :full]
     end
@@ -134,7 +136,7 @@ module Banzai
     # To map Rails.cache.read_multi results we need to know the Rails.cache.expanded_key.
     # Other option will be to generate stringified keys on our side and don't delegate to Rails.cache.expanded_key
     # method.
-    def self.full_cache_multi_key(cache_key, pipeline_name)
+    def full_cache_multi_key(cache_key, pipeline_name)
       return unless cache_key
       Rails.cache.send(:expanded_key, full_cache_key(cache_key, pipeline_name))
     end

lib/gitlab/ci/config/node/configurable.rb

@@ -36,7 +36,7 @@ module Gitlab
               Hash[(@nodes || {}).map { |key, factory| [key, factory.dup] }]
             end
 
-            private
+            private # rubocop:disable Lint/UselessAccessModifier
 
             def node(symbol, entry_class, metadata)
               factory = Node::Factory.new(entry_class)

lib/gitlab/database.rb

@@ -55,12 +55,12 @@ module Gitlab
       end
     end
 
-    private
-
     def self.connection
       ActiveRecord::Base.connection
     end
 
+    private_class_method :connection
+
     def self.database_version
       row = connection.execute("SELECT VERSION()").first
 
@@ -70,5 +70,7 @@ module Gitlab
         row.first
       end
     end
+
+    private_class_method :database_version
   end
 end

lib/gitlab/diff/inline_diff.rb

@@ -19,24 +19,6 @@ module Gitlab
 
       attr_accessor :old_line, :new_line, :offset
 
-      def self.for_lines(lines)
-        changed_line_pairs = self.find_changed_line_pairs(lines)
-
-        inline_diffs = []
-
-        changed_line_pairs.each do |old_index, new_index|
-          old_line = lines[old_index]
-          new_line = lines[new_index]
-
-          old_diffs, new_diffs = new(old_line, new_line, offset: 1).inline_diffs
-
-          inline_diffs[old_index] = old_diffs
-          inline_diffs[new_index] = new_diffs
-        end
-
-        inline_diffs
-      end
-
       def initialize(old_line, new_line, offset: 0)
         @old_line = old_line[offset..-1]
         @new_line = new_line[offset..-1]
@@ -63,10 +45,29 @@ module Gitlab
         [old_diffs, new_diffs]
       end
 
+      class << self
+        def for_lines(lines)
+          changed_line_pairs = find_changed_line_pairs(lines)
+
+          inline_diffs = []
+
+          changed_line_pairs.each do |old_index, new_index|
+            old_line = lines[old_index]
+            new_line = lines[new_index]
+
+            old_diffs, new_diffs = new(old_line, new_line, offset: 1).inline_diffs
+
+            inline_diffs[old_index] = old_diffs
+            inline_diffs[new_index] = new_diffs
+          end
+
+          inline_diffs
+        end
+
         private
 
         # Finds pairs of old/new line pairs that represent the same line that changed
-      def self.find_changed_line_pairs(lines)
+        def find_changed_line_pairs(lines)
           # Prefixes of all diff lines, indicating their types
           # For example: `" - +  -+  ---+++ --+  -++"`
           line_prefixes = lines.each_with_object("") { |line, s| s << line[0] }.gsub(/[^ +-]/, ' ')
@@ -88,6 +89,9 @@ module Gitlab
 
           changed_line_pairs
         end
+      end
+
+      private
 
       def longest_common_prefix(a, b)
         max_length = [a.length, b.length].max

lib/gitlab/git_access.rb

@@ -211,8 +211,6 @@ module Gitlab
       project.repository.tag_exists?(tag_name)
     end
 
-    private
-
     def deploy_key
       actor if actor.is_a?(DeployKey)
     end

lib/gitlab/metrics.rb

@@ -136,10 +136,10 @@ module Gitlab
       end
     end
 
-    private
-
     def self.current_transaction
       Transaction.current
     end
+
+    private_class_method :current_transaction
   end
 end

lib/gitlab/themes.rb

@@ -2,6 +2,8 @@ module Gitlab
   # Module containing GitLab's application theme definitions and helper methods
   # for accessing them.
   module Themes
+    extend self
+
     # Theme ID used when no `default_theme` configuration setting is provided.
     APPLICATION_DEFAULT = 2
 
@@ -22,7 +24,7 @@ module Gitlab
     # classes that might be applied to the `body` element
     #
     # Returns a String
-    def self.body_classes
+    def body_classes
       THEMES.collect(&:css_class).uniq.join(' ')
     end
 
@@ -33,26 +35,26 @@ module Gitlab
     # id - Integer ID
     #
     # Returns a Theme
-    def self.by_id(id)
+    def by_id(id)
       THEMES.detect { |t| t.id == id } || default
     end
 
     # Returns the number of defined Themes
-    def self.count
+    def count
       THEMES.size
     end
 
     # Get the default Theme
     #
     # Returns a Theme
-    def self.default
+    def default
       by_id(default_id)
     end
 
     # Iterate through each Theme
     #
     # Yields the Theme object
-    def self.each(&block)
+    def each(&block)
       THEMES.each(&block)
     end
 
@@ -61,7 +63,7 @@ module Gitlab
     # user - User record
     #
     # Returns a Theme
-    def self.for_user(user)
+    def for_user(user)
       if user
         by_id(user.theme_id)
       else
@@ -71,7 +73,7 @@ module Gitlab
 
     private
 
-    def self.default_id
+    def default_id
       id = Gitlab.config.gitlab.default_theme.to_i
 
       # Prevent an invalid configuration setting from causing an infinite loop