old_contents: # -*- coding: utf-8 -*-
  # Part of Odoo. See LICENSE file for full copyright and licensing details.
  
  from odoo import fields, models
  
  
  class WebsiteConfigSettings(models.TransientModel):
  
      _name = 'website.config.settings'
      _inherit = 'res.config.settings'
  
      def _default_website(self):
          return self.env['website'].search([], limit=1)
  
      website_id = fields.Many2one('website', string="website", default=_default_website, required=True)
      website_name = fields.Char('Website Name', related='website_id.name')
  
      language_ids = fields.Many2many(related='website_id.language_ids', relation='res.lang')
      default_lang_id = fields.Many2one(related='website_id.default_lang_id', relation='res.lang')
      default_lang_code = fields.Char('Default language code', related='website_id.default_lang_code')
      google_analytics_key = fields.Char('Google Analytics Key', related='website_id.google_analytics_key')
  
      social_twitter = fields.Char(related='website_id.social_twitter')
      social_facebook = fields.Char(related='website_id.social_facebook')
      social_github = fields.Char(related='website_id.social_github')
      social_linkedin = fields.Char(related='website_id.social_linkedin')
      social_youtube = fields.Char(related='website_id.social_youtube')
      social_googleplus = fields.Char(related='website_id.social_googleplus')
      compress_html = fields.Boolean('Compress rendered HTML for a better Google PageSpeed result', related='website_id.compress_html')
      cdn_activated = fields.Boolean('Use a Content Delivery Network (CDN)', related='website_id.cdn_activated')
      cdn_url = fields.Char(related='website_id.cdn_url')
      cdn_filters = fields.Text(related='website_id.cdn_filters')
      module_website_form_editor = fields.Boolean("Form builder")
      module_website_form_editor = fields.Selection([
          (0, 'Use standard forms'),
          (1, 'Create and customize forms to generate emails, leads, issues and extra information in the checkout process (new snippet available)')
          ], "Form Builder")
      module_website_version = fields.Selection([
          (0, 'No version management and A/B testing (easy)'),
          (1, 'Allow multiple versions of the same page (advanced)')
          ], "A/B Testing")
      favicon = fields.Binary('Favicon', related='website_id.favicon')
      
      # Set as global config parameter since methods using it are not website-aware. To be changed
      # when multi-website is implemented 
      google_maps_api_key = fields.Char(string='Google Maps API Key')
  
      def set_google_maps_api_key(self):
          self.env['ir.config_parameter'].set_param(
              'google_maps_api_key', (self.google_maps_api_key or '').strip(), groups=['base.group_system'])
  
      def get_default_google_maps_api_key(self, fields):
          google_maps_api_key = self.env['ir.config_parameter'].get_param('google_maps_api_key', default='')
          return dict(google_maps_api_key=google_maps_api_key)
  
new_contents: # -*- coding: utf-8 -*-
  # Part of Odoo. See LICENSE file for full copyright and licensing details.
  
  from odoo import fields, models
  
  
  class WebsiteConfigSettings(models.TransientModel):
  
      _name = 'website.config.settings'
      _inherit = 'res.config.settings'
  
      def _default_website(self):
          return self.env['website'].search([], limit=1)
  
      website_id = fields.Many2one('website', string="website", default=_default_website, required=True)
      website_name = fields.Char('Website Name', related='website_id.name')
  
      language_ids = fields.Many2many(related='website_id.language_ids', relation='res.lang')
      default_lang_id = fields.Many2one(related='website_id.default_lang_id', relation='res.lang')
      default_lang_code = fields.Char('Default language code', related='website_id.default_lang_code')
      google_analytics_key = fields.Char('Google Analytics Key', related='website_id.google_analytics_key')
  
      social_twitter = fields.Char(related='website_id.social_twitter')
      social_facebook = fields.Char(related='website_id.social_facebook')
      social_github = fields.Char(related='website_id.social_github')
      social_linkedin = fields.Char(related='website_id.social_linkedin')
      social_youtube = fields.Char(related='website_id.social_youtube')
      social_googleplus = fields.Char(related='website_id.social_googleplus')
      compress_html = fields.Boolean('Compress rendered HTML for a better Google PageSpeed result', related='website_id.compress_html')
      cdn_activated = fields.Boolean('Use a Content Delivery Network (CDN)', related='website_id.cdn_activated')
      cdn_url = fields.Char(related='website_id.cdn_url')
      cdn_filters = fields.Text(related='website_id.cdn_filters')
      module_website_form_editor = fields.Selection([
          (0, 'Use standard forms'),
          (1, 'Create and customize forms to generate emails, leads, issues and extra information in the checkout process (new snippet available)')
      ], "Form Builder")
      module_website_version = fields.Selection([
          (0, 'No version management and A/B testing (easy)'),
          (1, 'Allow multiple versions of the same page (advanced)')
      ], "A/B Testing")
      favicon = fields.Binary('Favicon', related='website_id.favicon')
  
      # Set as global config parameter since methods using it are not website-aware. To be changed
      # when multi-website is implemented
      google_maps_api_key = fields.Char(string='Google Maps API Key')
  
      def set_google_maps_api_key(self):
          self.env['ir.config_parameter'].set_param(
              'google_maps_api_key', (self.google_maps_api_key or '').strip(), groups=['base.group_system'])
  
      def get_default_google_maps_api_key(self, fields):
          google_maps_api_key = self.env['ir.config_parameter'].get_param('google_maps_api_key', default='')
          return dict(google_maps_api_key=google_maps_api_key)
  
subject: remove duplicated field