Use JSON.generate in db migrations (#38241)

db/migrate/20180608213548_reject_following_blocked_users.rb

@@ -28,7 +28,7 @@ class RejectFollowingBlockedUsers < ActiveRecord::Migration[5.2]
 
       next follow.destroy! if blocked_account.local?
 
-      reject_follow_json = Oj.dump(ActivityPub::LinkedDataSignature.new(ActiveModelSerializers::SerializableResource.new(follow, serializer: ActivityPub::RejectFollowSerializer, adapter: ActivityPub::Adapter).as_json).sign!(followed_account))
+      reject_follow_json = JSON.generate(ActivityPub::LinkedDataSignature.new(ActiveModelSerializers::SerializableResource.new(follow, serializer: ActivityPub::RejectFollowSerializer, adapter: ActivityPub::Adapter).as_json).sign!(followed_account))
 
       ActivityPub::DeliveryWorker.perform_async(reject_follow_json, followed_account, blocked_account.inbox_url)
 

db/migrate/20230215074423_move_user_settings.rb

@@ -80,7 +80,7 @@ class MoveUserSettings < ActiveRecord::Migration[6.1]
           end
         end
 
-        user.update_column('settings', Oj.dump(user_settings))
+        user.update_column('settings', JSON.generate(user_settings))
       end
     end
   end

db/migrate/20240304090449_migrate_interaction_settings_to_policy.rb

@@ -21,7 +21,7 @@ class MigrateInteractionSettingsToPolicy < ActiveRecord::Migration[7.1]
   private
 
   def policy_for_user(user)
-    deserialized_settings = Oj.load(user.attributes_before_type_cast['settings'])
+    deserialized_settings = JSON.parse(user.attributes_before_type_cast['settings'])
     return if deserialized_settings.nil?
 
     requires_new_policy = false

db/migrate/20250911163952_fill_default_quote_policy_setting.rb

@@ -8,7 +8,7 @@ class FillDefaultQuotePolicySetting < ActiveRecord::Migration[8.0]
 
   def up
     User.where.not(settings: nil).find_each do |user|
-      settings = Oj.load(user.attributes_before_type_cast['settings'])
+      settings = JSON.parse(user.attributes_before_type_cast['settings'])
       next if settings.nil?
 
       should_update_settings = false
@@ -26,7 +26,7 @@ class FillDefaultQuotePolicySetting < ActiveRecord::Migration[8.0]
         should_update_settings = true
       end
 
-      user.update_column('settings', Oj.dump(settings)) if should_update_settings
+      user.update_column('settings', JSON.generate(settings)) if should_update_settings
     end
   end
 end

db/migrate/20260209143308_migrate_user_theme.rb

@@ -8,7 +8,7 @@ class MigrateUserTheme < ActiveRecord::Migration[8.0]
 
   def up
     User.where.not(settings: nil).find_each do |user|
-      settings = Oj.load(user.attributes_before_type_cast['settings'])
+      settings = JSON.parse(user.attributes_before_type_cast['settings'])
       next if settings.nil? || settings['theme'].blank? || %w(system default mastodon-light contrast).exclude?(settings['theme'])
 
       case settings['theme']
@@ -25,7 +25,7 @@ class MigrateUserTheme < ActiveRecord::Migration[8.0]
 
       settings['theme'] = 'default'
 
-      user.update_column('settings', Oj.dump(settings))
+      user.update_column('settings', JSON.generate(settings))
     end
   end
 end

db/post_migrate/20230904134623_fix_kmr_locale_settings.rb

@@ -11,11 +11,11 @@ class FixKmrLocaleSettings < ActiveRecord::Migration[7.0]
     MigrationUser.reset_column_information
 
     MigrationUser.where.not(settings: [nil, '{}']).find_each do |user|
-      user_settings = Oj.load(user.settings)
+      user_settings = JSON.parse(user.settings)
       next unless user_settings['default_language'] == 'kmr'
 
       user_settings['default_language'] = 'ku'
-      user.update!(settings: Oj.dump(user_settings))
+      user.update!(settings: JSON.generate(user_settings))
     end
 
     MigrationUser.where.not(chosen_languages: nil).where('chosen_languages && ?', '{kmr}').find_each do |user|

db/post_migrate/20240321160706_migrate_interaction_settings_to_policy_again.rb

@@ -21,7 +21,7 @@ class MigrateInteractionSettingsToPolicyAgain < ActiveRecord::Migration[7.1]
   private
 
   def policy_for_user(user)
-    deserialized_settings = Oj.load(user.attributes_before_type_cast['settings'])
+    deserialized_settings = JSON.parse(user.attributes_before_type_cast['settings'])
     return if deserialized_settings.nil?
     return if user.notification_policy.present?