summaryrefslogtreecommitdiff
path: root/app/services/concerns/suggestible.rb
blob: 0b9822b19091b87fd2ceabedf870cff115ab6659 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
# frozen_string_literal: true

module Suggestible
  extend ActiveSupport::Concern

  # This translates into limiting suggestion changes to `suggestion:-100+100`.
  MAX_LINES_CONTEXT = 100.freeze

  def fetch_from_content
    diff_file.new_blob_lines_between(from_line, to_line).join
  end

  def from_line
    real_above = [lines_above, MAX_LINES_CONTEXT].min
    [target_line - real_above, 1].max
  end

  def to_line
    real_below = [lines_below, MAX_LINES_CONTEXT].min
    target_line + real_below
  end

  def diff_file
    raise NotImplementedError
  end

  def target_line
    raise NotImplementedError
  end
end