119 lines
3 KiB
Ruby
119 lines
3 KiB
Ruby
# frozen_string_literal: true
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# A note on merge request or commit diffs, using the legacy implementation.
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#
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# All new diff notes are of the type `DiffNote`, but any diff notes created
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# before the introduction of the new implementation still use `LegacyDiffNote`.
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#
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# A note of this type is never resolvable.
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class LegacyDiffNote < Note
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include NoteOnDiff
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serialize :st_diff # rubocop:disable Cop/ActiveRecordSerialize
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validates :line_code, presence: true, line_code: true
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before_create :set_diff, unless: :skip_setting_st_diff?
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def discussion_class(*)
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LegacyDiffDiscussion
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end
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def project_repository
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Gitlab::SafeRequestStore.fetch("project:#{project_id}:repository") { self.project.repository }
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end
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def diff_file_hash
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line_code.split('_')[0] if line_code
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end
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def diff
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@diff ||= Gitlab::Git::Diff.new(st_diff) if st_diff.respond_to?(:map)
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end
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def diff_file
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@diff_file ||= Gitlab::Diff::File.new(diff, repository: project_repository) if diff
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end
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def diff_line
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@diff_line ||= diff_file&.line_for_line_code(self.line_code)
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end
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def original_line_code
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self.line_code
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end
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# Check if this note is part of an "active" discussion
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#
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# This will always return true for anything except MergeRequest noteables,
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# which have special logic.
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#
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# If the note's current diff cannot be matched in the MergeRequest's current
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# diff, it's considered inactive.
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def active?(diff_refs = nil)
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return @active if defined?(@active)
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return true if for_commit?
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return true unless diff_line
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return false unless noteable
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return false if diff_refs && diff_refs != noteable.diff_refs
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noteable_diff = find_noteable_diff
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if noteable_diff
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parsed_lines = Gitlab::Diff::Parser.new.parse(noteable_diff.diff.each_line)
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@active = parsed_lines.any? { |line_obj| line_obj.text == diff_line.text }
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else
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@active = false
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end
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@active
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end
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private
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def find_diff
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return unless noteable
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return @diff if defined?(@diff)
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@diff = noteable.raw_diffs(Commit.max_diff_options).find do |d|
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d.new_path && Digest::SHA1.hexdigest(d.new_path) == diff_file_hash
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end
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end
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def set_diff
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# First lets find notes with same diff
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# before iterating over all mr diffs
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diff = diff_for_line_code unless for_merge_request?
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diff ||= find_diff
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self.st_diff = diff.to_hash if diff
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end
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def skip_setting_st_diff?
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st_diff.present? && importing?
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end
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def diff_for_line_code
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attributes = {
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noteable_type: noteable_type,
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line_code: line_code
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}
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if for_commit?
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attributes[:commit_id] = commit_id
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else
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attributes[:noteable_id] = noteable_id
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end
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self.class.where(attributes).last.try(:diff)
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end
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# Find the diff on noteable that matches our own
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def find_noteable_diff
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diffs = noteable.raw_diffs(Commit.max_diff_options)
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diffs.find { |d| d.new_path == self.diff.new_path }
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end
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end
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LegacyDiffNote.prepend_mod_with('LegacyDiffNote')
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