95 lines
2.8 KiB
Ruby
95 lines
2.8 KiB
Ruby
# frozen_string_literal: true
|
|
|
|
module Gitlab
|
|
module GithubImport
|
|
# IssuableFinder can be used for caching and retrieving database IDs for
|
|
# issuable objects such as issues and pull requests. By caching these IDs we
|
|
# remove the need for running a lot of database queries when importing
|
|
# GitHub projects.
|
|
class IssuableFinder
|
|
attr_reader :project, :object
|
|
|
|
# The base cache key to use for storing/retrieving issuable IDs.
|
|
CACHE_KEY = 'github-import/issuable-finder/%{project}/%{type}/%{iid}'
|
|
|
|
# project - An instance of `Project`.
|
|
# object - The object to look up or set a database ID for.
|
|
def initialize(project, object)
|
|
@project = project
|
|
@object = object
|
|
end
|
|
|
|
# Returns the database ID for the object.
|
|
#
|
|
# This method will return `nil` if no ID could be found.
|
|
def database_id
|
|
val = Gitlab::Cache::Import::Caching.read(cache_key, timeout: timeout)
|
|
|
|
val.to_i if val.present?
|
|
end
|
|
|
|
# Associates the given database ID with the current object.
|
|
#
|
|
# database_id - The ID of the corresponding database row.
|
|
def cache_database_id(database_id)
|
|
Gitlab::Cache::Import::Caching.write(cache_key, database_id, timeout: timeout)
|
|
end
|
|
|
|
private
|
|
|
|
def cache_key
|
|
CACHE_KEY % {
|
|
project: project.id,
|
|
type: cache_key_type,
|
|
iid: cache_key_iid
|
|
}
|
|
end
|
|
|
|
# Returns the identifier to use for cache keys.
|
|
#
|
|
# For issues and pull requests this will be "Issue" or "MergeRequest"
|
|
# respectively. For diff notes this will return "MergeRequest", for
|
|
# regular notes it will either return "Issue" or "MergeRequest" depending
|
|
# on what type of object the note belongs to.
|
|
def cache_key_type
|
|
if object.respond_to?(:issuable_type)
|
|
object.issuable_type
|
|
elsif object.respond_to?(:noteable_type)
|
|
object.noteable_type
|
|
else
|
|
raise(
|
|
TypeError,
|
|
"Instances of #{object.class} are not supported"
|
|
)
|
|
end
|
|
end
|
|
|
|
def cache_key_iid
|
|
if object.respond_to?(:noteable_id)
|
|
object.noteable_id
|
|
elsif object.respond_to?(:iid)
|
|
object.iid
|
|
elsif object.respond_to?(:issuable_id)
|
|
object.issuable_id
|
|
else
|
|
raise(
|
|
TypeError,
|
|
"Instances of #{object.class} are not supported"
|
|
)
|
|
end
|
|
end
|
|
|
|
def timeout
|
|
if import_settings.enabled?(:single_endpoint_notes_import)
|
|
Gitlab::Cache::Import::Caching::LONGER_TIMEOUT
|
|
else
|
|
Gitlab::Cache::Import::Caching::TIMEOUT
|
|
end
|
|
end
|
|
|
|
def import_settings
|
|
::Gitlab::GithubImport::Settings.new(project)
|
|
end
|
|
end
|
|
end
|
|
end
|