88 lines
2 KiB
Ruby
88 lines
2 KiB
Ruby
# frozen_string_literal: true
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# Contains functionality shared between `DiffDiscussion` and `LegacyDiffDiscussion`.
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module DiscussionOnDiff
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extend ActiveSupport::Concern
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NUMBER_OF_TRUNCATED_DIFF_LINES = 16
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included do
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delegate :line_code,
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:original_line_code,
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:note_diff_file,
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:diff_line,
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:active?,
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:created_at_diff?,
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to: :first_note
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delegate :file_path,
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:blob,
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:highlighted_diff_lines,
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:diff_lines,
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to: :diff_file,
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allow_nil: true
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end
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def diff_discussion?
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true
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end
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def file_new_path
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first_note.position.new_path
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end
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def on_merge_request_commit?
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for_merge_request? && commit_id.present?
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end
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# Returns an array of at most 16 highlighted lines above a diff note
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def truncated_diff_lines(highlight: true, diff_limit: nil)
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return [] unless on_text?
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return [] if diff_line.nil?
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diff_limit = [diff_limit, NUMBER_OF_TRUNCATED_DIFF_LINES].compact.min
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lines = highlight ? highlighted_diff_lines : diff_lines
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initial_line_index = [diff_line.index - diff_limit + 1, 0].max
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prev_lines = []
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lines[initial_line_index..diff_line.index].each do |line|
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if line.meta?
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prev_lines.clear
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else
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prev_lines << line
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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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def diff_file
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strong_memoize(:diff_file) do
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# Falling back here is important as `note_diff_files` are created async.
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fetch_preloaded_diff_file || first_note.diff_file
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end
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end
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def line_code_in_diffs(diff_refs)
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if active?(diff_refs)
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line_code
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elsif diff_refs && created_at_diff?(diff_refs)
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original_line_code
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end
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end
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private
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def fetch_preloaded_diff_file
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fetch_preloaded_diff =
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context_noteable &&
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context_noteable.preloads_discussion_diff_highlighting? &&
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note_diff_file
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context_noteable.discussions_diffs.find_by_id(note_diff_file.id) if fetch_preloaded_diff
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end
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end
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