157 lines
3.5 KiB
Ruby
157 lines
3.5 KiB
Ruby
class LegacyDiffNote < Note
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serialize :st_diff
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validates :line_code, presence: true, line_code: true
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before_create :set_diff
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class << self
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def build_discussion_id(noteable_type, noteable_id, line_code, active = true)
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[super(noteable_type, noteable_id), line_code, active].join("-")
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end
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end
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def diff_note?
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true
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end
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def legacy_diff_note?
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true
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end
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def discussion_id
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@discussion_id ||= self.class.build_discussion_id(noteable_type, noteable_id || commit_id, line_code, active?)
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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_old_line
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line_code.split('_')[1].to_i if line_code
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end
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def diff_new_line
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line_code.split('_')[2].to_i 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_path
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diff.new_path.presence || diff.old_path
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end
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def diff_lines
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@diff_lines ||= Gitlab::Diff::Parser.new.parse(diff.diff.each_line)
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end
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def diff_line
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@diff_line ||= diff_lines.find { |line| generate_line_code(line) == self.line_code }
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end
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def diff_line_text
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diff_line.try(:text)
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end
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def diff_line_type
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diff_line.try(:type)
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end
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def highlighted_diff_lines
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Gitlab::Diff::Highlight.new(diff_lines).highlight
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end
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def truncated_diff_lines
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max_number_of_lines = 16
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prev_match_line = nil
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prev_lines = []
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highlighted_diff_lines.each do |line|
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if line.type == "match"
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prev_lines.clear
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prev_match_line = line
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else
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prev_lines << line
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break if generate_line_code(line) == self.line_code
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prev_lines.shift if prev_lines.length >= max_number_of_lines
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end
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end
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prev_lines
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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?
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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 self.diff
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return false unless noteable
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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 nil unless noteable
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return @diff if defined?(@diff)
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@diff = noteable.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 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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def generate_line_code(line)
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Gitlab::Diff::LineCode.generate(diff_file_path, line.new_pos, line.old_pos)
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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.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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