discourse/app/models/sidebar_section_link.rb
Krzysztof Kotlarek cbd021db15
FIX: add index to sidebar_section_link (#20234)
Index on linkable_type and linkable_id should increase performance of this subquery https://github.com/discourse/discourse/blob/main/app/services/sidebar_site_settings_backfiller.rb#L86

Also, distinct is removing duplicates which are unnecessary.
2023-02-10 11:14:22 +11:00

46 lines
1.6 KiB
Ruby

# frozen_string_literal: true
class SidebarSectionLink < ActiveRecord::Base
belongs_to :user
belongs_to :linkable, polymorphic: true
belongs_to :sidebar_section
validates :user_id, presence: true, uniqueness: { scope: %i[linkable_type linkable_id] }
validates :linkable_id, presence: true
validates :linkable_type, presence: true
validate :ensure_supported_linkable_type, if: :will_save_change_to_linkable_type?
SUPPORTED_LINKABLE_TYPES = %w[Category Tag SidebarUrl]
before_validation { self.user_id ||= self.sidebar_section&.user_id }
after_destroy { self.linkable.destroy! if self.linkable_type == "SidebarUrl" }
private def ensure_supported_linkable_type
if (!SUPPORTED_LINKABLE_TYPES.include?(self.linkable_type)) ||
(self.linkable_type == "Tag" && !SiteSetting.tagging_enabled)
self.errors.add(
:linkable_type,
I18n.t("activerecord.errors.models.sidebar_section_link.attributes.linkable_type.invalid"),
)
end
end
end
# == Schema Information
#
# Table name: sidebar_section_links
#
# id :bigint not null, primary key
# user_id :integer not null
# linkable_id :integer not null
# linkable_type :string not null
# created_at :datetime not null
# updated_at :datetime not null
# sidebar_section_id :integer
#
# Indexes
#
# idx_unique_sidebar_section_links (user_id,linkable_type,linkable_id) UNIQUE
# index_sidebar_section_links_on_linkable_type_and_linkable_id (linkable_type,linkable_id)
#