# Saves the current user's appearance (sent by theme.js). The body replaces the whole saved
# choice; an empty object resets the user to the default.
class TonalmineAppearanceController < ApplicationController
  before_action :require_login

  def update
    prefs = params.to_unsafe_h.except('controller', 'action', 'tonalmine_appearance')
    errors = RedmineTonalmine::Appearance.errors(prefs)
    if errors.any?
      render json: {errors: errors}, status: :unprocessable_content
    else
      User.current.pref[:tonalmine] = RedmineTonalmine::Appearance.clean(prefs)
      User.current.pref.save
      head :no_content
    end
  end
end