Module: Ace::Review::Molecules::DiffScope

Defined in:
lib/ace/review/molecules/diff_scope.rb

Overview

Selects complete file diffs before ace-bundle renders a review packet. Refuses unparsed input instead of silently dropping a changed file.

Class Method Summary collapse

Class Method Details

.binary_paths(blocks) ⇒ Object 



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# File 'lib/ace/review/molecules/diff_scope.rb', line 52

def self.binary_paths(blocks)
  blocks.select { |block| binary_only?(block) }.map { |block| block[:path] }
end

.select(diff, patterns = nil, groups: nil) ⇒ Object 



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# File 'lib/ace/review/molecules/diff_scope.rb', line 13

def self.select(diff, patterns = nil, groups: nil)
  patterns = patterns.transform_keys(&:to_s) if patterns.is_a?(Hash)
  groups = groups.map { |group| group.is_a?(Hash) ? group.transform_keys(&:to_s) : group } if groups.is_a?(Array)
  valid_groups = groups.nil? || (groups.is_a?(Array) && groups.all? { |group| valid_patterns?(group) && !group.nil? })
  unless valid_patterns?(patterns) && valid_groups
    return {success: false, error: "Review file patterns/groups must contain include/exclude arrays of glob strings"}
  end

  blocks = Atoms::DiffBoundaryFinder.parse(diff)
  unless blocks.any? && blocks.map { |block| block[:content] }.join == diff
    return {success: false, error: "Cannot account for every PR diff block; review input is incomplete"}
  end

  filters = [patterns, *Array(groups)].compact
  selected, excluded = blocks.partition { |block| selected_block?(block, filters) }
  if selected.empty?
    return {success: false, error: "Review scope contains no changed files"}
  end

  {
    success: true,
    diff: selected.map { |block| block[:content] }.join,
    manifest: {
      raw_sha256: Digest::SHA256.hexdigest(diff),
      selected_sha256: Digest::SHA256.hexdigest(selected.map { |block| block[:content] }.join),
      selected_files: selected.map { |block| block[:path] },
      excluded_files: excluded.map { |block| block[:path] },
      binary_files: binary_paths(blocks),
      renames: selected.filter_map do |block|
        {from: block[:old_path], to: block[:path]} if block[:old_path] != block[:path]
      end,
      received_diff_accounted_for: true,
      file_pattern_groups: filters
    }
  }
rescue ArgumentError => e
  {success: false, error: "Cannot account for every PR diff block: #{e.message}"}
end