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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 find_diff
return nil unless noteable
return @diff if defined?(@diff)
# Don't use ||= because nil is a valid value for @diff
@diff = noteable.diffs(Commit.max_diff_options).find do |d|
Digest::SHA1.hexdigest(d.new_path) == diff_file_index if d.new_path
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
@diff ||= Gitlab::Git::Diff.new(st_diff) if st_diff.respond_to?(:map)
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
# 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 true if for_commit?
return true unless self.diff
return false unless noteable
return @active if defined?(@active)
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 }
else
@active = false
end
@active
end
def diff_file_index
line_code.split('_')[0] if line_code
end
def diff_file_name
diff.new_path if diff
end
def file_path
if diff.new_path.present?
diff.new_path
elsif diff.old_path.present?
diff.old_path
end
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 generate_line_code(line)
Gitlab::Diff::LineCode.generate(file_path, line.new_pos, line.old_pos)
end
def diff_line
return @diff_line if @diff_line
if diff
diff_lines.each do |line|
if generate_line_code(line) == self.line_code
@diff_line = line.text
end
end
end
@diff_line
end
def diff_line_type
return @diff_line_type if @diff_line_type
if diff
diff_lines.each do |line|
if generate_line_code(line) == self.line_code
@diff_line_type = line.type
end
end
end
@diff_line_type
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
def diff_lines
@diff_lines ||= Gitlab::Diff::Parser.new.parse(diff.diff.each_line)
end
def highlighted_diff_lines
Gitlab::Diff::Highlight.new(diff_lines).highlight
end
private
# 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
|
