Fix RuboCop offenses Style/NegatedIf and Style/NegatedWhile (#39887, #7770).

git-svn-id: https://svn.redmine.org/redmine/trunk@22987 e93f8b46-1217-0410-a6f0-8f06a7374b81

.rubocop_todo.yml

@@ -1011,28 +1011,6 @@ Style/MultipleComparison:
 Style/MutableConstant:
   Enabled: false
 
-# This cop supports safe autocorrection (--autocorrect).
-# Configuration parameters: EnforcedStyle.
-# SupportedStyles: both, prefix, postfix
-Style/NegatedIf:
-  Exclude:
-    - 'app/controllers/application_controller.rb'
-    - 'app/controllers/messages_controller.rb'
-    - 'app/helpers/repositories_helper.rb'
-    - 'app/models/attachment.rb'
-    - 'app/models/auth_source_ldap.rb'
-    - 'app/models/custom_field.rb'
-    - 'app/models/project.rb'
-    - 'app/models/repository/cvs.rb'
-    - 'lib/redmine/codeset_util.rb'
-    - 'lib/redmine/string_array_diff/diff.rb'
-    - 'lib/redmine/thumbnail.rb'
-
-# This cop supports safe autocorrection (--autocorrect).
-Style/NegatedWhile:
-  Exclude:
-    - 'app/helpers/application_helper.rb'
-
 # This cop supports safe autocorrection (--autocorrect).
 # Configuration parameters: AllowedMethods.
 # AllowedMethods: be, be_a, be_an, be_between, be_falsey, be_kind_of, be_instance_of, be_truthy, be_within, eq, eql, end_with, include, match, raise_error, respond_to, start_with

app/controllers/application_controller.rb

@@ -261,7 +261,7 @@ class ApplicationController < ActionController::Base
   end
 
   def require_login
-    if !User.current.logged?
+    unless User.current.logged?
       # Extract only the basic url parameters on non-GET requests
       if request.get?
         url = request.original_url
@@ -297,7 +297,7 @@ class ApplicationController < ActionController::Base
   def require_admin
     return unless require_login
 
-    if !User.current.admin?
+    unless User.current.admin?
       render_403
       return false
     end
@@ -519,7 +519,7 @@ class ApplicationController < ActionController::Base
     path = uri.to_s
     # Ensure that the remaining URL starts with a slash, followed by a
     # non-slash character or the end
-    if !%r{\A/([^/]|\z)}.match?(path)
+    unless %r{\A/([^/]|\z)}.match?(path)
       return false
     end
 

app/controllers/messages_controller.rb

@@ -79,7 +79,7 @@ class MessagesController < ApplicationController
     @reply.safe_attributes = params[:reply]
     @reply.save_attachments(params[:attachments])
     @topic.children << @reply
-    if !@reply.new_record?
+    unless @reply.new_record?
       call_hook(:controller_messages_reply_after_save, {:params => params, :message => @reply})
       render_attachment_warning_if_needed(@reply)
     end

app/helpers/application_helper.rb

@@ -916,7 +916,7 @@ module ApplicationHelper
     s = StringScanner.new(text)
     tags = []
     parsed = +''
-    while !s.eos?
+    until s.eos?
       s.scan(/(.*?)(<(\/)?(pre|code)(.*?)>|\z)/im)
       text, full_tag, closing, tag = s[1], s[2], s[3], s[4]
       if tags.empty?

app/helpers/repositories_helper.rb

@@ -56,7 +56,7 @@ module RepositoriesHelper
       case change.action
       when 'A'
         # Detects moved/copied files
-        if !change.from_path.blank?
+        if change.from_path.present?
           change.action =
             @changeset.filechanges.detect {|c| c.action == 'D' && c.path == change.from_path} ? 'R' : 'C'
         end

app/models/attachment.rb

@@ -412,12 +412,12 @@ class Attachment < ApplicationRecord
 
     return if src == dest
 
-    if !FileUtils.mkdir_p(File.dirname(dest))
+    unless FileUtils.mkdir_p(File.dirname(dest))
       logger.error "Could not create directory #{File.dirname(dest)}" if logger
       return
     end
 
-    if !FileUtils.mv(src, dest)
+    unless FileUtils.mv(src, dest)
       logger.error "Could not move attachment from #{src} to #{dest}" if logger
       return
     end

app/models/auth_source_ldap.rb

@@ -73,7 +73,7 @@ class AuthSourceLdap < AuthSource
       ldap_con.open {}
       if self.account.present? && !self.account.include?("$login") && self.account_password.present?
         ldap_auth = authenticate_dn(self.account, self.account_password)
-        raise AuthSourceException.new(l(:error_ldap_bind_credentials)) if !ldap_auth
+        raise AuthSourceException.new(l(:error_ldap_bind_credentials)) unless ldap_auth
       end
     end
   rescue *NETWORK_EXCEPTIONS => e

app/models/custom_field.rb

@@ -301,7 +301,7 @@ class CustomField < ApplicationRecord
 
     unless errs.any?
       if value.is_a?(Array)
-        if !multiple?
+        unless multiple?
           errs << ::I18n.t('activerecord.errors.messages.invalid')
         end
         if is_required? && value.detect(&:present?).nil?

app/models/project.rb

@@ -121,6 +121,7 @@ class Project < ApplicationRecord
   def initialize(attributes=nil, *args)
     super
 
+    # rubocop:disable Style/NegatedIf
     initialized = (attributes || {}).stringify_keys
     if !initialized.key?('identifier') && Setting.sequential_project_identifiers?
       self.identifier = Project.next_identifier
@@ -139,6 +140,7 @@ class Project < ApplicationRecord
         self.trackers = Tracker.sorted.to_a
       end
     end
+    # rubocop:enable Style/NegatedIf
   end
 
   def identifier=(identifier)

app/models/repository/cvs.rb

@@ -52,7 +52,7 @@ class Repository::Cvs < Repository
 
   def scm_entries(path=nil, identifier=nil)
     rev = nil
-    if ! identifier.nil?
+    unless identifier.nil?
       rev = changesets.find_by_revision(identifier)
       return nil if rev.nil?
     end
@@ -80,7 +80,7 @@ class Repository::Cvs < Repository
 
   def cat(path, identifier=nil)
     rev = nil
-    if ! identifier.nil?
+    unless identifier.nil?
       rev = changesets.find_by_revision(identifier)
       return nil if rev.nil?
     end
@@ -89,7 +89,7 @@ class Repository::Cvs < Repository
 
   def annotate(path, identifier=nil)
     rev = nil
-    if ! identifier.nil?
+    unless identifier.nil?
       rev = changesets.find_by_revision(identifier)
       return nil if rev.nil?
     end

lib/redmine/codeset_util.rb

@@ -24,7 +24,7 @@ module Redmine
 
       str = str.dup
       str.force_encoding('UTF-8')
-      if ! str.valid_encoding?
+      unless str.valid_encoding?
         str = str.encode("UTF-16LE", :invalid => :replace,
               :undef => :replace, :replace => '?').encode("UTF-8")
       end

lib/redmine/string_array_diff/diff.rb

@@ -81,7 +81,7 @@ module Redmine
           }
         }
 
-        if !thresh.empty?
+        unless thresh.empty?
           link = links[thresh.length-1]
           while link
             mvector[link[1]] = link[2]

lib/redmine/thumbnail.rb

@@ -40,7 +40,7 @@ module Redmine
       unless File.exist?(target)
         # Make sure we only invoke Imagemagick if the file type is allowed
         mime_type = File.open(source) {|f| Marcel::MimeType.for(f)}
-        return nil if !ALLOWED_TYPES.include? mime_type
+        return nil unless ALLOWED_TYPES.include? mime_type
         return nil if is_pdf && mime_type != "application/pdf"
 
         directory = File.dirname(target)