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Diffstat (limited to 'app/models/concerns/discussion_on_diff.rb')
-rw-r--r-- | app/models/concerns/discussion_on_diff.rb | 57 |
1 files changed, 57 insertions, 0 deletions
diff --git a/app/models/concerns/discussion_on_diff.rb b/app/models/concerns/discussion_on_diff.rb new file mode 100644 index 00000000000..87db0c810c3 --- /dev/null +++ b/app/models/concerns/discussion_on_diff.rb @@ -0,0 +1,57 @@ +# Contains functionality shared between `DiffDiscussion` and `LegacyDiffDiscussion`. +module DiscussionOnDiff + extend ActiveSupport::Concern + + included do + NUMBER_OF_TRUNCATED_DIFF_LINES = 16 + + memoized_values << :active + + delegate :line_code, + :original_line_code, + :diff_file, + :diff_line, + :for_line?, + :active?, + + to: :first_note + + delegate :file_path, + :blob, + :highlighted_diff_lines, + :diff_lines, + + to: :diff_file, + allow_nil: true + end + + def diff_discussion? + true + end + + def active? + return @active if @active.present? + + @active = first_note.active? + end + + # Returns an array of at most 16 highlighted lines above a diff note + def truncated_diff_lines(highlight: true) + lines = highlight ? highlighted_diff_lines : diff_lines + prev_lines = [] + + lines.each do |line| + if line.meta? + prev_lines.clear + else + prev_lines << line + + break if for_line?(line) + + prev_lines.shift if prev_lines.length >= NUMBER_OF_TRUNCATED_DIFF_LINES + end + end + + prev_lines + end +end |