57 lines
1.3 KiB
Ruby
57 lines
1.3 KiB
Ruby
|
# frozen_string_literal: true
|
||
|
|
|
||
|
|
module ExportCsv
|
||
|
|
class BaseService
|
||
|
|
# Target attachment size before base64 encoding
|
||
|
|
TARGET_FILESIZE = 15.megabytes
|
||
|
|
|
||
|
|
def initialize(relation, resource_parent, fields = [])
|
||
|
|
@objects = relation
|
||
|
|
@resource_parent = resource_parent
|
||
|
|
@fields = fields
|
||
|
|
end
|
||
|
|
|
||
|
|
def csv_data
|
||
|
|
csv_builder.render(TARGET_FILESIZE)
|
||
|
|
end
|
||
|
|
|
||
|
|
def email(user)
|
||
|
|
raise NotImplementedError
|
||
|
|
end
|
||
|
|
|
||
|
|
def invalid_fields
|
||
|
|
::ExportCsv::MapExportFieldsService.new(fields, header_to_value_hash).invalid_fields
|
||
|
|
end
|
||
|
|
|
||
|
|
private
|
||
|
|
|
||
|
|
attr_reader :resource_parent, :objects, :fields
|
||
|
|
|
||
|
|
# rubocop: disable CodeReuse/ActiveRecord
|
||
|
|
def csv_builder
|
||
|
|
@csv_builder ||= begin
|
||
|
|
data_hash = MapExportFieldsService.new(fields, header_to_value_hash).execute
|
||
|
|
|
||
|
|
if preload_associations_in_batches?
|
||
|
|
CsvBuilder.new(objects, data_hash, associations_to_preload)
|
||
|
|
else
|
||
|
|
CsvBuilder.new(objects.preload(associations_to_preload), data_hash, [])
|
||
|
|
end
|
||
|
|
end
|
||
|
|
end
|
||
|
|
# rubocop: enable CodeReuse/ActiveRecord
|
||
|
|
|
||
|
|
def associations_to_preload
|
||
|
|
[]
|
||
|
|
end
|
||
|
|
|
||
|
|
def header_to_value_hash
|
||
|
|
raise NotImplementedError
|
||
|
|
end
|
||
|
|
|
||
|
|
def preload_associations_in_batches?
|
||
|
|
false
|
||
|
|
end
|
||
|
|
end
|
||
|
|
end
|