80 lines
2 KiB
Ruby
80 lines
2 KiB
Ruby
# frozen_string_literal: true
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module Gitlab
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module MarkdownCache
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module Redis
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module Extension
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extend ActiveSupport::Concern
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attr_reader :cached_markdown_version
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class_methods do
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def cache_markdown_field(markdown_field, context = {})
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super
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# define the `[field]_html` accessor
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html_field = cached_markdown_fields.html_field(markdown_field)
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define_method(html_field) do
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load_cached_markdown unless markdown_data_loaded?
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instance_variable_get("@#{html_field}")
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end
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end
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end
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prepended do
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def self.preload_markdown_cache!(objects)
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fields = Gitlab::MarkdownCache::Redis::Store.bulk_read(objects)
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objects.each do |object|
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fields[object.cache_key].value.each do |field_name, value|
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object.write_markdown_field(field_name, value)
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end
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end
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end
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end
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def write_markdown_field(field_name, value)
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# The value read from redis is a string, so we're converting it back
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# to an int.
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value = value.to_i if field_name == :cached_markdown_version
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instance_variable_set("@#{field_name}", value)
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end
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private
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def save_markdown(updates)
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markdown_store.save(updates)
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end
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def markdown_field_changed?(field_name)
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false
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end
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def changed_attributes
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{}
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end
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def cached_markdown
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@cached_data ||= markdown_store.read
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end
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def load_cached_markdown
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cached_markdown.each do |field_name, value|
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write_markdown_field(field_name, value)
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end
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end
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def markdown_data_loaded?
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cached_markdown_version.present? || markdown_store.loaded?
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end
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def markdown_store
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@store ||= Gitlab::MarkdownCache::Redis::Store.new(self)
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end
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end
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end
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end
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end
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