162 lines
4.5 KiB
Ruby
162 lines
4.5 KiB
Ruby
# frozen_string_literal: true
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module Gitlab
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module Search
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class FoundBlob
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include EncodingHelper
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include Presentable
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include BlobLanguageFromGitAttributes
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include Gitlab::Utils::StrongMemoize
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include BlobActiveModel
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attr_reader :project, :content_match, :blob_path
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PATH_REGEXP = /\A(?<ref>[^:]*):(?<path>[^\x00]*)\x00/.freeze
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CONTENT_REGEXP = /^(?<ref>[^:]*):(?<path>[^\x00]*)\x00(?<startline>\d+)\x00/.freeze
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def self.preload_blobs(blobs)
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to_fetch = blobs.select { |blob| blob.is_a?(self) && blob.blob_path }
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to_fetch.each { |blob| blob.fetch_blob }
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end
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def initialize(opts = {})
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@id = opts.fetch(:id, nil)
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@binary_path = opts.fetch(:path, nil)
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@binary_basename = opts.fetch(:basename, nil)
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@ref = opts.fetch(:ref, nil)
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@startline = opts.fetch(:startline, nil)
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@binary_data = opts.fetch(:data, nil)
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@per_page = opts.fetch(:per_page, 20)
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@project = opts.fetch(:project, nil)
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# Some callers (e.g. Elasticsearch) do not have the Project object,
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# yet they can trigger many calls in one go,
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# causing duplicated queries.
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# Allow those to just pass project_id instead.
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@project_id = opts.fetch(:project_id, nil)
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@content_match = opts.fetch(:content_match, nil)
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@blob_path = opts.fetch(:blob_path, nil)
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@repository = opts.fetch(:repository, nil)
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end
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def id
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@id ||= parsed_content[:id]
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end
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def ref
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@ref ||= parsed_content[:ref]
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end
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def startline
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@startline ||= parsed_content[:startline]
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end
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# binary_path is used for running filters on all matches.
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# For grepped results (which use content_match), we get
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# the path from the beginning of the grepped result which is faster
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# than parsing the whole snippet
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def binary_path
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@binary_path ||= content_match ? search_result_path : parsed_content[:binary_path]
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end
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def path
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@path ||= encode_utf8(@binary_path || parsed_content[:binary_path])
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end
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def basename
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@basename ||= encode_utf8(@binary_basename || parsed_content[:binary_basename])
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end
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def data
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@data ||= encode_utf8(@binary_data || parsed_content[:binary_data])
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end
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def project_id
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@project_id || @project&.id
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end
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def present
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super(presenter_class: BlobPresenter)
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end
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def fetch_blob
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path = [ref, blob_path]
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missing_blob = { binary_path: blob_path }
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BatchLoader.for(path).batch(default_value: missing_blob) do |refs, loader|
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Gitlab::Git::Blob.batch(repository, refs, blob_size_limit: 1024).each do |blob|
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# if the blob couldn't be fetched for some reason,
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# show at least the blob path
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data = {
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id: blob.id,
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binary_path: blob.path,
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binary_basename: path_without_extension(blob.path),
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ref: ref,
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startline: 1,
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binary_data: blob.data,
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project: project
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}
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loader.call([ref, blob.path], data)
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end
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end
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end
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private
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def search_result_path
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content_match.match(PATH_REGEXP) { |matches| matches[:path] }
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end
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def path_without_extension(path)
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Pathname.new(path).sub_ext('').to_s
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end
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def parsed_content
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strong_memoize(:parsed_content) do
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if content_match
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parse_search_result
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elsif blob_path
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fetch_blob
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else
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{}
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end
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end
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end
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def parse_search_result
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ref = nil
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path = nil
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basename = nil
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data = []
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startline = 0
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content_match.each_line.each_with_index do |line, index|
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prefix ||= line.match(CONTENT_REGEXP)&.tap do |matches|
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ref = matches[:ref]
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path = matches[:path]
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startline = matches[:startline]
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startline = startline.to_i - index
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basename = path_without_extension(path)
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end
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data << line.sub(prefix.to_s, '')
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end
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{
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binary_path: path,
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binary_basename: basename,
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ref: ref,
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startline: startline,
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binary_data: data.join,
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project: project
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}
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end
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def repository
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@repository ||= project.repository
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end
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end
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end
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end
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