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# frozen_string_literal: true
class EnvironmentSerializer < BaseSerializer
include WithPagination
Item = Struct.new(:name, :size, :latest)
entity EnvironmentEntity
def within_folders
tap { @itemize = true }
end
def itemized?
@itemize
end
def represent(resource, opts = {})
if itemized?
itemize(resource).map do |item|
{ name: item.name,
size: item.size,
latest: super(item.latest, opts) }
end
else
resource = @paginator.paginate(resource) if paginated?
super(batch_load(resource), opts)
end
end
private
# rubocop: disable CodeReuse/ActiveRecord
def itemize(resource)
items = resource.order('folder ASC')
.group('COALESCE(environment_type, id::text)', 'COALESCE(environment_type, name)')
.select('COALESCE(environment_type, id::text), COALESCE(environment_type, name) AS folder',
'COUNT(*) AS size', 'MAX(id) AS last_id')
# It makes a difference when you call `paginate` method, because
# although `page` is effective at the end, it calls counting methods
# immediately.
items = @paginator.paginate(items) if paginated?
environments = batch_load(resource.where(id: items.map(&:last_id)))
environments_by_id = environments.index_by(&:id)
items.map do |item|
Item.new(item.folder, item.size, environments_by_id[item.last_id])
end
end
def batch_load(resource)
temp_deployment_associations = deployment_associations
resource = resource.preload(environment_associations)
Preloaders::Environments::DeploymentPreloader.new(resource)
.execute_with_union(:last_deployment, temp_deployment_associations)
Preloaders::Environments::DeploymentPreloader.new(resource)
.execute_with_union(:upcoming_deployment, temp_deployment_associations)
resource.to_a.tap do |environments|
environments.each do |environment|
# Batch loading the commits of the deployments
environment.last_deployment&.commit&.try(:lazy_author)
environment.upcoming_deployment&.commit&.try(:lazy_author)
# Batch loading last_deployment_group which is called later by environment.stop_actions
environment.last_deployment_group
end
end
end
def environment_associations
{
project: project_associations
}
end
def deployment_associations
{
user: [],
cluster: [],
project: {
route: [],
namespace: :route
},
deployable: {
user: [],
metadata: [],
pipeline: {
manual_actions: [:metadata, :deployment],
scheduled_actions: [:metadata],
latest_successful_builds: []
},
project: project_associations
}
}
end
def project_associations
{
project_feature: [],
route: [],
namespace: :route
}
end
# rubocop: enable CodeReuse/ActiveRecord
end
EnvironmentSerializer.prepend_mod_with('EnvironmentSerializer')
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