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# frozen_string_literal: true
module Packages
module Maven
class PackageFinder
attr_reader :path, :current_user, :project, :group
def initialize(path, current_user, project: nil, group: nil)
@path = path
@current_user = current_user
@project = project
@group = group
end
def execute
packages_with_path.last
end
def execute!
packages_with_path.last!
end
private
def base
if project
packages_for_a_single_project
elsif group
packages_for_multiple_projects
else
::Packages::Package.none
end
end
def packages_with_path
matching_packages = base.only_maven_packages_with_path(path)
matching_packages = matching_packages.order_by_package_file if versionless_package?(matching_packages)
matching_packages
end
def versionless_package?(matching_packages)
return if matching_packages.empty?
# if one matching package is versionless, they all are.
matching_packages.first&.version.nil?
end
# Produces a query that retrieves packages from a single project.
def packages_for_a_single_project
project.packages
end
# Produces a query that retrieves packages from multiple projects that
# the current user can view within a group.
def packages_for_multiple_projects
::Packages::Package.for_projects(projects_visible_to_current_user)
end
# Returns the projects that the current user can view within a group.
def projects_visible_to_current_user
::Project
.in_namespace(group.self_and_descendants.select(:id))
.public_or_visible_to_user(current_user)
end
end
end
end
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