gitlab-org--gitlab-foss/app/models/legacy_diff_note.rb
2016-07-25 22:51:26 -06:00

114 lines
2.7 KiB
Ruby

class LegacyDiffNote < Note
include NoteOnDiff
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 legacy_diff_note?
true
end
def diff_attributes
{ line_code: line_code }
end
def discussion_id
@discussion_id ||= Digest::SHA1.hexdigest(self.class.build_discussion_id(noteable_type, noteable_id || commit_id, line_code))
end
def diff_file_hash
line_code.split('_')[0] if line_code
end
def diff
@diff ||= Gitlab::Git::Diff.new(st_diff) if st_diff.respond_to?(:map)
end
def diff_file
@diff_file ||= Gitlab::Diff::File.new(diff, repository: self.project.repository) if diff
end
def diff_line
@diff_line ||= diff_file.line_for_line_code(self.line_code) if diff_file
end
def for_line?(line)
!line.meta? && diff_file.line_code(line) == self.line_code
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 diff_line
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
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
# 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