gitlab-org--gitlab-foss/app/models/label_note.rb
Andrew Newdigate 3288e1a874 Adds the Rubocop ReturnNil cop
This style change enforces `return if ...` instead of
`return nil if ...` to save maintainers a few minor review points
2019-03-06 17:51:56 +02:00

97 lines
2.3 KiB
Ruby

# frozen_string_literal: true
class LabelNote < Note
attr_accessor :resource_parent
attr_reader :events
def self.from_events(events, resource: nil, resource_parent: nil)
resource ||= events.first.issuable
attrs = {
system: true,
author: events.first.user,
created_at: events.first.created_at,
discussion_id: events.first.discussion_id,
noteable: resource,
system_note_metadata: SystemNoteMetadata.new(action: 'label'),
events: events,
resource_parent: resource_parent
}
if resource_parent.is_a?(Project)
attrs[:project_id] = resource_parent.id
end
LabelNote.new(attrs)
end
def events=(events)
@events = events
update_outdated_markdown
end
def cached_html_up_to_date?(markdown_field)
true
end
def note
@note ||= note_text
end
def note_html
@note_html ||= "<p dir=\"auto\">#{note_text(html: true)}</p>"
end
def project
resource_parent if resource_parent.is_a?(Project)
end
def group
resource_parent if resource_parent.is_a?(Group)
end
private
def update_outdated_markdown
events.each do |event|
if event.outdated_markdown?
event.refresh_invalid_reference
end
end
end
def note_text(html: false)
added = labels_str('added', label_refs_by_action('add', html))
removed = labels_str('removed', label_refs_by_action('remove', html))
[added, removed].compact.join(' and ')
end
# returns string containing added/removed labels including
# count of deleted labels:
#
# added ~1 ~2 + 1 deleted label
# added 3 deleted labels
# added ~1 ~2 labels
def labels_str(prefix, label_refs)
existing_refs = label_refs.select { |ref| ref.present? }.sort
refs_str = existing_refs.empty? ? nil : existing_refs.join(' ')
deleted = label_refs.count - existing_refs.count
deleted_str = deleted == 0 ? nil : "#{deleted} deleted"
return unless refs_str || deleted_str
label_list_str = [refs_str, deleted_str].compact.join(' + ')
suffix = 'label'.pluralize(deleted > 0 ? deleted : existing_refs.count)
"#{prefix} #{label_list_str} #{suffix}"
end
def label_refs_by_action(action, html)
field = html ? :reference_html : :reference
events.select { |e| e.action == action }.map(&field)
end
end