diff options
Diffstat (limited to 'app/models/legacy_diff_note.rb')
-rw-r--r-- | app/models/legacy_diff_note.rb | 161 |
1 files changed, 161 insertions, 0 deletions
diff --git a/app/models/legacy_diff_note.rb b/app/models/legacy_diff_note.rb new file mode 100644 index 00000000000..95fd510eb3a --- /dev/null +++ b/app/models/legacy_diff_note.rb @@ -0,0 +1,161 @@ +class LegacyDiffNote < Note + serialize :st_diff + + validates :line_code, presence: true, line_code: true + + before_create :set_diff + + class << self + def build_discussion_id(noteable_type, noteable_id, line_code, active = true) + [super(noteable_type, noteable_id), line_code, active].join("-") + end + end + + def diff_note? + true + end + + def legacy_diff_note? + true + end + + def discussion_id + @discussion_id ||= self.class.build_discussion_id(noteable_type, noteable_id || commit_id, line_code, active?) + end + + def diff_file_hash + line_code.split('_')[0] if line_code + end + + def diff_old_line + line_code.split('_')[1].to_i if line_code + end + + def diff_new_line + line_code.split('_')[2].to_i if line_code + end + + def diff + @diff ||= Gitlab::Git::Diff.new(st_diff) if st_diff.respond_to?(:map) + end + + def diff_file_path + diff.new_path.presence || diff.old_path + end + + def diff_lines + @diff_lines ||= Gitlab::Diff::Parser.new.parse(diff.diff.each_line) + end + + def diff_line + @diff_line ||= diff_lines.find { |line| generate_line_code(line) == self.line_code } + end + + def diff_line_text + diff_line.try(:text) + end + + def diff_line_type + diff_line.try(:type) + end + + def highlighted_diff_lines + Gitlab::Diff::Highlight.new(diff_lines).highlight + end + + def truncated_diff_lines + max_number_of_lines = 16 + prev_match_line = nil + prev_lines = [] + + highlighted_diff_lines.each do |line| + if line.type == "match" + prev_lines.clear + prev_match_line = line + else + prev_lines << line + + break if generate_line_code(line) == self.line_code + + prev_lines.shift if prev_lines.length >= max_number_of_lines + end + end + + prev_lines + end + + # Check if this note is part of an "active" discussion + # + # This will always return true for anything except MergeRequest noteables, + # which have special logic. + # + # If the note's current diff cannot be matched in the MergeRequest's current + # diff, it's considered inactive. + def active? + return @active if defined?(@active) + return true if for_commit? + return true unless self.diff + return false unless noteable + + noteable_diff = find_noteable_diff + + if noteable_diff + parsed_lines = Gitlab::Diff::Parser.new.parse(noteable_diff.diff.each_line) + + @active = parsed_lines.any? { |line_obj| line_obj.text == diff_line_text } + else + @active = false + end + + @active + end + + def award_emoji_supported? + false + end + + private + + def find_diff + return nil unless noteable + return @diff if defined?(@diff) + + @diff = noteable.diffs(Commit.max_diff_options).find do |d| + d.new_path && Digest::SHA1.hexdigest(d.new_path) == diff_file_hash + end + end + + def set_diff + # First lets find notes with same diff + # before iterating over all mr diffs + diff = diff_for_line_code unless for_merge_request? + diff ||= find_diff + + self.st_diff = diff.to_hash if diff + end + + def diff_for_line_code + attributes = { + noteable_type: noteable_type, + line_code: line_code + } + + if for_commit? + attributes[:commit_id] = commit_id + else + attributes[:noteable_id] = noteable_id + end + + self.class.where(attributes).last.try(:diff) + end + + def generate_line_code(line) + Gitlab::Diff::LineCode.generate(diff_file_path, line.new_pos, line.old_pos) + end + + # Find the diff on noteable that matches our own + def find_noteable_diff + diffs = noteable.diffs(Commit.max_diff_options) + diffs.find { |d| d.new_path == self.diff.new_path } + end +end |