Add skin migrations for glitch-soc

db/migrate/20260209142401_glitch_migrate_default_skin_setting.rb

@@ -0,0 +1,30 @@
+# frozen_string_literal: true
+
+class GlitchMigrateDefaultSkinSetting < ActiveRecord::Migration[8.0]
+  class Setting < ApplicationRecord; end
+
+  def up
+    Setting.reset_column_information
+
+    return unless %w(glitch vanilla).include?(flavour)
+
+    setting = Setting.find_by(var: 'skin')
+    return unless setting.present? && setting.attributes['value'].present?
+
+    theme = YAML.safe_load(setting.attributes['value'], permitted_classes: [ActiveSupport::HashWithIndifferentAccess, Symbol])
+    return unless %w(mastodon-light contrast system).include?(theme)
+
+    setting.update_column('value', "--- default\n")
+  end
+
+  def down; end
+
+  private
+
+  def flavour
+    setting = Setting.find_by(var: 'flavour')
+    return 'glitch' unless setting.present? && setting.attributes['value'].present?
+
+    YAML.safe_load(setting.attributes['value'], permitted_classes: [ActiveSupport::HashWithIndifferentAccess, Symbol])
+  end
+end

db/migrate/20260209143307_glitch_migrate_user_skin.rb

@@ -0,0 +1,31 @@
+# frozen_string_literal: true
+
+class GlitchMigrateUserSkin < ActiveRecord::Migration[8.0]
+  disable_ddl_transaction!
+
+  # Dummy classes, to make migration possible across version changes
+  class User < ApplicationRecord; end
+
+  def up
+    User.where.not(settings: nil).find_each do |user|
+      settings = Oj.load(user.attributes_before_type_cast['settings'])
+      next if settings.nil? || settings['skin'].blank? || %w(system default mastodon-light contrast).exclude?(settings['skin'])
+
+      case settings['skin']
+      when 'default'
+        settings['web.color_scheme'] = 'dark'
+        settings['web.contrast'] = 'auto'
+      when 'contrast'
+        settings['web.color_scheme'] = 'dark'
+        settings['web.contrast'] = 'high'
+      when 'mastodon-light'
+        settings['web.color_scheme'] = 'light'
+        settings['web.contrast'] = 'auto'
+      end
+
+      settings['skin'] = 'default'
+
+      user.update_column('settings', Oj.dump(settings))
+    end
+  end
+end