debian-mirror-gitlab/app/services/projects/propagate_service_template.rb
2017-08-17 22:00:37 +05:30

103 lines
2.5 KiB
Ruby

module Projects
class PropagateServiceTemplate
BATCH_SIZE = 100
def self.propagate(*args)
new(*args).propagate
end
def initialize(template)
@template = template
end
def propagate
return unless @template.active?
Rails.logger.info("Propagating services for template #{@template.id}")
propagate_projects_with_template
end
private
def propagate_projects_with_template
loop do
batch = project_ids_batch
bulk_create_from_template(batch) unless batch.empty?
break if batch.size < BATCH_SIZE
end
end
def bulk_create_from_template(batch)
service_list = batch.map do |project_id|
service_hash.values << project_id
end
Project.transaction do
bulk_insert_services(service_hash.keys << 'project_id', service_list)
run_callbacks(batch)
end
end
def project_ids_batch
Project.connection.select_values(
<<-SQL
SELECT id
FROM projects
WHERE NOT EXISTS (
SELECT true
FROM services
WHERE services.project_id = projects.id
AND services.type = '#{@template.type}'
)
AND projects.pending_delete = false
AND projects.archived = false
LIMIT #{BATCH_SIZE}
SQL
)
end
def bulk_insert_services(columns, values_array)
ActiveRecord::Base.connection.execute(
<<-SQL.strip_heredoc
INSERT INTO services (#{columns.join(', ')})
VALUES #{values_array.map { |tuple| "(#{tuple.join(', ')})" }.join(', ')}
SQL
)
end
def service_hash
@service_hash ||=
begin
template_hash = @template.as_json(methods: :type).except('id', 'template', 'project_id')
template_hash.each_with_object({}) do |(key, value), service_hash|
value = value.is_a?(Hash) ? value.to_json : value
service_hash[ActiveRecord::Base.connection.quote_column_name(key)] =
ActiveRecord::Base.sanitize(value)
end
end
end
def run_callbacks(batch)
if active_external_issue_tracker?
Project.where(id: batch).update_all(has_external_issue_tracker: true)
end
if active_external_wiki?
Project.where(id: batch).update_all(has_external_wiki: true)
end
end
def active_external_issue_tracker?
@template.issue_tracker? && !@template.default
end
def active_external_wiki?
@template.type == 'ExternalWikiService'
end
end
end