91 lines
2.2 KiB
Ruby
91 lines
2.2 KiB
Ruby
# frozen_string_literal: true
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class ReleaseHighlight
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CACHE_DURATION = 1.hour
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FILES_PATH = Rails.root.join('data', 'whats_new', '*.yml')
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def self.paginated(page: 1)
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key = self.cache_key("items:page-#{page}")
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Rails.cache.fetch(key, expires_in: CACHE_DURATION) do
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items = self.load_items(page: page)
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next if items.nil?
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QueryResult.new(items: items, next_page: next_page(current_page: page))
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end
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end
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def self.load_items(page:)
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index = page - 1
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file_path = file_paths[index]
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return if file_path.nil?
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file = File.read(file_path)
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items = YAML.safe_load(file, permitted_classes: [Date])
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platform = Gitlab.com? ? 'gitlab-com' : 'self-managed'
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items&.map! do |item|
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next unless item[platform]
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begin
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item.tap {|i| i['body'] = Kramdown::Document.new(i['body']).to_html }
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rescue StandardError => e
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Gitlab::ErrorTracking.track_exception(e, file_path: file_path)
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next
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end
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end
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items&.compact
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rescue Psych::Exception => e
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Gitlab::ErrorTracking.track_exception(e, file_path: file_path)
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nil
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end
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def self.file_paths
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@file_paths ||= Rails.cache.fetch(self.cache_key('file_paths'), expires_in: CACHE_DURATION) do
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Dir.glob(FILES_PATH).sort.reverse
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end
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end
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def self.cache_key(key)
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['release_highlight', key, Gitlab.revision].join(':')
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end
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def self.next_page(current_page: 1)
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next_page = current_page + 1
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next_index = next_page - 1
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next_page if self.file_paths[next_index]
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end
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def self.most_recent_item_count
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key = self.cache_key('recent_item_count')
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Gitlab::ProcessMemoryCache.cache_backend.fetch(key, expires_in: CACHE_DURATION) do
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self.paginated&.items&.count
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end
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end
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def self.most_recent_version_digest
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key = self.cache_key('most_recent_version_digest')
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Gitlab::ProcessMemoryCache.cache_backend.fetch(key, expires_in: CACHE_DURATION) do
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version = self.paginated&.items&.first&.[]('release')&.to_s
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next if version.nil?
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Digest::SHA256.hexdigest(version)
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end
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end
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QueryResult = Struct.new(:items, :next_page, keyword_init: true) do
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include Enumerable
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delegate :each, to: :items
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end
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end
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