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# frozen_string_literal: true
# rubocop:disable Metrics/LineLength
# rubocop:disable Style/Documentation
module Gitlab
module BackgroundMigration
class CreateForkNetworkMembershipsRange
RESCHEDULE_DELAY = 15
class ForkedProjectLink < ActiveRecord::Base
self.table_name = 'forked_project_links'
end
def perform(start_id, end_id)
log("Creating memberships for forks: #{start_id} - #{end_id}")
ActiveRecord::Base.connection.execute <<~INSERT_MEMBERS
INSERT INTO fork_network_members (fork_network_id, project_id, forked_from_project_id)
SELECT fork_network_members.fork_network_id,
forked_project_links.forked_to_project_id,
forked_project_links.forked_from_project_id
FROM forked_project_links
INNER JOIN fork_network_members
ON forked_project_links.forked_from_project_id = fork_network_members.project_id
WHERE forked_project_links.id BETWEEN #{start_id} AND #{end_id}
AND NOT EXISTS (
SELECT true
FROM fork_network_members existing_members
WHERE existing_members.project_id = forked_project_links.forked_to_project_id
)
INSERT_MEMBERS
if missing_members?(start_id, end_id)
BackgroundMigrationWorker.perform_in(RESCHEDULE_DELAY, "CreateForkNetworkMembershipsRange", [start_id, end_id])
end
end
def missing_members?(start_id, end_id)
count_sql = <<~MISSING_MEMBERS
SELECT COUNT(*)
FROM forked_project_links
WHERE NOT EXISTS (
SELECT true
FROM fork_network_members
WHERE fork_network_members.project_id = forked_project_links.forked_to_project_id
)
AND EXISTS (
SELECT true
FROM projects
WHERE forked_project_links.forked_from_project_id = projects.id
)
AND NOT EXISTS (
SELECT true
FROM forked_project_links AS parent_links
WHERE parent_links.forked_to_project_id = forked_project_links.forked_from_project_id
AND NOT EXISTS (
SELECT true
FROM projects
WHERE parent_links.forked_from_project_id = projects.id
)
)
AND forked_project_links.id BETWEEN #{start_id} AND #{end_id}
MISSING_MEMBERS
ForkedProjectLink.count_by_sql(count_sql) > 0
end
def log(message)
Rails.logger.info("#{self.class.name} - #{message}")
end
end
end
end
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