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# frozen_string_literal: true
module Projects
# Base class for the various service classes that count project data (e.g.
# issues or forks).
class CountService < BaseCountService
# The version of the cache format. This should be bumped whenever the
# underlying logic changes. This removes the need for explicitly flushing
# all caches.
VERSION = 1
attr_reader :project
def initialize(project)
@project = project
end
def relation_for_count
self.class.query(@project.id)
end
def cache_key_name
raise(
NotImplementedError,
'"cache_key_name" must be implemented and return a String'
)
end
def cache_key(key = nil)
cache_key = key || cache_key_name
['projects', 'count_service', VERSION, @project.id, cache_key]
end
def self.query(project_ids)
raise(
NotImplementedError,
'"query" must be implemented and return an ActiveRecord::Relation'
)
end
end
end
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