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module ContainerRegistry
##
# Class responsible for extracting project and repository name from
# image repository path provided by a containers registry API response.
#
# Example:
#
# some/group/my_project/my/image ->
# project: some/group/my_project
# repository: my/image
#
class Path
InvalidRegistryPathError = Class.new(StandardError)
LEVELS_SUPPORTED = 3
def initialize(path)
@path = path
end
def valid?
@path =~ Gitlab::Regex.container_repository_name_regex &&
components.size > 1 &&
components.size < Namespace::NUMBER_OF_ANCESTORS_ALLOWED
end
def components
@components ||= @path.to_s.split('/')
end
def nodes
raise InvalidRegistryPathError unless valid?
@nodes ||= components.size.downto(2).map do |length|
components.take(length).join('/')
end
end
def has_project?
repository_project.present?
end
def has_repository?
return false unless has_project?
repository_project.container_repositories
.where(name: repository_name).any?
end
def root_repository?
@path == repository_project.full_path
end
def repository_project
@project ||= Project
.where_full_path_in(nodes.first(LEVELS_SUPPORTED))
.first
end
def repository_name
return unless has_project?
@path.remove(%r(^#{Regexp.escape(repository_project.full_path)}/?))
end
def to_s
@path
end
end
end
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