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# frozen_string_literal: true
module Import
module SourceUsers
# This class generates CSV data for `Import::SourceUser` records associated
# with a namespace. This spreadsheet is filled in and re-uploaded to
# facilitate the user mapping flow.
class GenerateCsvService
HEADERS = [
'Source host',
'Import type',
'Source user identifier',
'Source user name',
'Source username',
'GitLab username',
'GitLab public email'
].freeze
# @param namespace [Namespace, Group] The namespace where the import source users are associated
# @param current_user [User] The user performing the CSV export
def initialize(namespace, current_user:)
@namespace = namespace
@current_user = current_user
end
def execute
# We use :owner_access here because it's shared between GroupPolicy and
# NamespacePolicy.
return error_invalid_permissions unless current_user.can?(:owner_access, namespace)
ServiceResponse.success(payload: csv_data)
end
private
attr_reader :namespace, :current_user
def csv_data
CSV.generate do |csv|
csv << HEADERS
import_source_users.each_batch(of: 1000) do |batch|
batch.each do |source_user|
csv << [
source_user.source_hostname,
source_user.import_type,
source_user.source_user_identifier,
source_user.source_name,
source_user.source_username,
'',
''
]
end
end
end
end
def import_source_users
statuses = Import::SourceUser::STATUSES.slice(*Import::SourceUser::REASSIGNABLE_STATUSES).values
namespace.import_source_users.by_statuses(statuses)
end
def error_invalid_permissions
ServiceResponse.error(
message: s_('Import|You do not have permission to view import source users for this namespace'),
reason: :forbidden
)
end
end
end
end
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