cartodb/app/models/carto/user_migration_export.rb
2020-06-15 10:58:47 +08:00

133 lines
4.1 KiB
Ruby

require 'active_record'
require 'fileutils'
require_relative '../../../services/user-mover/export_user'
require_dependency 'file_upload'
require_dependency 'resque/user_migration_jobs'
require_dependency 'carto/ghost_tables_manager'
module Carto
class UserMigrationExport < ::ActiveRecord::Base
belongs_to :organization, class_name: Carto::Organization
belongs_to :user, class_name: Carto::User
belongs_to :log, class_name: Carto::Log
STATE_PENDING = 'pending'.freeze
STATE_EXPORTING = 'exporting'.freeze
STATE_UPLOADING = 'uploading'.freeze
STATE_COMPLETE = 'complete'.freeze
STATE_FAILURE = 'failure'.freeze
VALID_STATES = [STATE_PENDING, STATE_EXPORTING, STATE_UPLOADING, STATE_COMPLETE, STATE_FAILURE].freeze
after_initialize :set_defaults
validates :state, inclusion: { in: VALID_STATES }
validate :user_or_organization_present
validate :validate_export_data
def run_export
check_valid_user(user) if user && export_metadata
check_valid_organization(organization) if organization && export_metadata
log.append("=== Exporting #{organization ? 'user' : 'org'} data ===")
update_attributes(state: STATE_EXPORTING)
package = if backup
UserMigrationPackage.for_backup("backup_#{user.username}_#{Time.now.iso8601}", log)
else
UserMigrationPackage.for_export(id, log)
end
export_job = CartoDB::DataMover::ExportJob.new(export_job_arguments(package.data_dir)) if export_data?
run_metadata_export(package.meta_dir) if export_metadata?
log.append("=== Uploading ===")
update_attributes(
state: STATE_UPLOADING,
json_file: export_data? ? "#{id}/#{export_job.json_file}" : 'no_data_exported'
)
uploaded_path = package.upload
state = uploaded_path.present? ? STATE_COMPLETE : STATE_FAILURE
log.append("=== Finishing. State: #{state}. File: #{uploaded_path} ===")
update_attributes(state: state, exported_file: uploaded_path)
true
rescue => e
log.append_exception('Exporting', exception: e)
CartoDB::Logger.error(exception: e, message: 'Error exporting user data', job: inspect)
update_attributes(state: STATE_FAILURE)
false
ensure
package.try(:cleanup)
end
def enqueue
Resque.enqueue(Resque::UserMigrationJobs::Export, export_id: id)
end
private
def check_valid_user(user)
Carto::GhostTablesManager.new(user.id).link_ghost_tables_synchronously
end
def check_valid_organization(organization)
organization.users.each do |user|
check_valid_user(user)
end
end
def run_metadata_export(meta_dir)
if organization
Carto::OrganizationMetadataExportService.new.export_to_directory(organization, meta_dir)
elsif user
Carto::UserMetadataExportService.new.export_to_directory(user, meta_dir)
else
raise 'Unrecognized export type for exporting metadata'
end
end
def export_job_arguments(data_dir)
args = if user.present?
{
id: user.username,
schema_mode: false
}
else
{
organization_name: organization.name,
schema_mode: true,
split_user_schemas: false
}
end
args.merge(
path: data_dir,
job_uuid: id,
export_job_logger: log.logger,
logger: log.logger,
metadata: false,
data: export_data?
)
end
def user_or_organization_present
unless (user.present? && organization.blank?) || (organization.present? && user.blank?)
errors.add(:user, 'exactly one user or organization required')
end
end
def validate_export_data
errors.add(:export_metadata, 'needs to be true if export_data is set to false') if !export_data? && !export_metadata?
end
def set_defaults
self.log = Carto::Log.create(type: 'user_migration_export') unless log
self.state = STATE_PENDING unless state
save
end
end
end