Replace deprecated update_attributes with update.

https://rubyinrails.com/2019/04/09/rails-6-1-activerecord-deprecates-update-attributes-methods/

DEPRECATION WARNING: update_attributes! is deprecated and will be removed from Rails 6.1 (please, use update! instead)

app/controllers/notes_controller.rb

@@ -51,7 +51,7 @@ class NotesController < ApplicationController
 
   def destroy
     @note = Note.find(params[:id])
-    @note.update_attributes(:is_active => false)
+    @note.update(is_active: false)
     respond_with(@note)
   end
 

app/controllers/wiki_pages_controller.rb

@@ -68,7 +68,7 @@ class WikiPagesController < ApplicationController
 
   def destroy
     @wiki_page = WikiPage.find(params[:id])
-    @wiki_page.update_attributes(:is_deleted => true)
+    @wiki_page.update(is_deleted: true)
     respond_with(@wiki_page)
   end
 

app/models/artist.rb

@@ -279,14 +279,7 @@ class Artist < ApplicationRecord
 
     def merge_version
       prev = versions.last
-      prev.update_attributes(
-        :name => name,
-        :urls => url_array,
-        :is_active => is_active,
-        :is_banned => is_banned,
-        :other_names => other_names,
-        :group_name => group_name
-      )
+      prev.update(name: name, urls: url_array, is_active: is_active, is_banned: is_banned, other_names: other_names, group_name: group_name)
     end
 
     def merge_version?
@@ -427,7 +420,7 @@ class Artist < ApplicationRecord
             Post.tag_match(name).where("true /* Artist.unban */").each do |post|
               post.unban!
               fixed_tags = post.tag_string.sub(/(?:\A| )banned_artist(?:\Z| )/, " ").strip
-              post.update_attributes(:tag_string => fixed_tags)
+              post.update(tag_string: fixed_tags)
             end
           rescue Post::SearchError
             # swallow

app/models/favorite_group.rb

@@ -174,7 +174,7 @@ class FavoriteGroup < ApplicationRecord
       return if contains?(post_id)
 
       clear_post_id_array
-      update_attributes(:post_ids => add_number_to_string(post_id, post_ids))
+      update(post_ids: add_number_to_string(post_id, post_ids))
     end
   end
 
@@ -184,7 +184,7 @@ class FavoriteGroup < ApplicationRecord
       return unless contains?(post_id)
 
       clear_post_id_array
-      update_attributes(:post_ids => remove_number_from_string(post_id, post_ids))
+      update(post_ids: remove_number_from_string(post_id, post_ids))
     end
   end
 

app/models/forum_topic.rb

@@ -193,7 +193,7 @@ class ForumTopic < ApplicationRecord
 
   def merge(topic)
     ForumPost.where(:id => self.posts.map(&:id)).update_all(:topic_id => topic.id)
-    topic.update_attributes(:response_count => topic.response_count + self.posts.length, :updater_id => CurrentUser.id)
+    topic.update(response_count: topic.response_count + self.posts.length, updater_id: CurrentUser.id)
     self.update_columns(:response_count => 0, :is_deleted => true, :updater_id => CurrentUser.id)
   end
 

app/models/note.rb

@@ -139,14 +139,7 @@ class Note < ApplicationRecord
 
   def merge_version
     prev = versions.last
-    prev.update_attributes(
-      :x => x,
-      :y => y,
-      :width => width,
-      :height => height,
-      :is_active => is_active,
-      :body => body
-    )
+    prev.update(x: x, y: y, width: width, height: height, is_active: is_active, body: body)
   end
 
   def merge_version?(updater_id)

app/models/tag_alias.rb

@@ -142,9 +142,7 @@ class TagAlias < TagRelationship
         escaped_antecedent_name = Regexp.escape(antecedent_name)
         fixed_tags = post.tag_string.sub(/(?:\A| )#{escaped_antecedent_name}(?:\Z| )/, " #{consequent_name} ").strip
         CurrentUser.scoped(creator, creator_ip_addr) do
-          post.update_attributes(
-            :tag_string => fixed_tags
-          )
+          post.update(tag_string: fixed_tags)
         end
       end
 

app/models/tag_implication.rb

@@ -154,9 +154,7 @@ class TagImplication < TagRelationship
         Post.raw_tag_match(antecedent_name).where("true /* TagImplication#update_posts */").find_each do |post|
           fixed_tags = "#{post.tag_string} #{descendant_names_string}".strip
           CurrentUser.scoped(creator, creator_ip_addr) do
-            post.update_attributes(
-              :tag_string => fixed_tags
-            )
+            post.update(tag_string: fixed_tags)
           end
         end
       end

app/models/user_name_change_request.rb

@@ -47,7 +47,7 @@ class UserNameChangeRequest < ApplicationRecord
   end
   
   def approve!
-    update_attributes(:status => "approved", :approver_id => CurrentUser.user.id)
+    update(status: "approved", approver_id: CurrentUser.user.id)
     user.update_attribute(:name, desired_name)
     body = "Your name change request has been approved. Be sure to log in with your new user name."
     Dmail.create_automated(:title => "Name change request approved", :body => body, :to_id => user_id)
@@ -56,7 +56,7 @@ class UserNameChangeRequest < ApplicationRecord
   end
   
   def reject!(reason)
-    update_attributes(:status => "rejected", :rejection_reason => reason)
+    update(status: "rejected", rejection_reason: reason)
     body = "Your name change request has been rejected for the following reason: #{rejection_reason}"
     Dmail.create_automated(:title => "Name change request rejected", :body => body, :to_id => user_id)
   end

app/models/wiki_page.rb

@@ -176,13 +176,7 @@ class WikiPage < ApplicationRecord
 
   def merge_version
     prev = versions.last
-    prev.update_attributes(
-      :title => title,
-      :body => body,
-      :is_locked => is_locked,
-      :is_deleted => is_deleted,
-      :other_names => other_names
-    )
+    prev.update(title: title, body: body, is_locked: is_locked, is_deleted: is_deleted, other_names: other_names)
   end
 
   def merge_version?