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# frozen_string_literal: true
module Gitlab
module MarkdownCache
module ActiveRecord
module Extension
extend ActiveSupport::Concern
included do
# Always exclude _html fields from attributes (including serialization).
# They contain unredacted HTML, which would be a security issue
alias_method :attributes_before_markdown_cache, :attributes
def attributes
attrs = attributes_before_markdown_cache
html_fields = cached_markdown_fields.html_fields
whitelisted = cached_markdown_fields.html_fields_whitelisted
exclude_fields = html_fields - whitelisted
exclude_fields.each do |field|
attrs.delete(field)
end
if whitelisted.empty?
attrs.delete('cached_markdown_version')
end
attrs
end
# Using before_update here conflicts with elasticsearch-model somehow
before_create :refresh_markdown_cache, if: :invalidated_markdown_cache?
before_update :refresh_markdown_cache, if: :invalidated_markdown_cache?
end
def changed_markdown_fields
changed_attributes.keys.map(&:to_s) & cached_markdown_fields.markdown_fields.map(&:to_s)
end
def write_markdown_field(field_name, value)
write_attribute(field_name, value)
end
def markdown_field_changed?(field_name)
attribute_changed?(field_name)
end
def save_markdown(updates)
return unless persisted? && Gitlab::Database.read_write?
update_columns(updates)
end
end
end
end
end
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