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Contents
module Workarea
module DataFile
module Operation
extend ActiveSupport::Concern
included do
extend Dragonfly::Model
field :model_type, type: String
field :file_name, type: String
field :file_uid, type: String
field :file_type, type: String
field :started_at, type: Time
field :completed_at, type: Time
field :created_by_id, type: String
index(
{ created_at: 1 },
{ expire_after_seconds: Workarea.config.data_file_operation_ttl.seconds.to_i }
)
dragonfly_accessor :file, app: :workarea
define_model_callbacks :process
validates :model_type, presence: true
end
def name
model_class.model_name.param_key.titleize
end
def model_class
@model_class ||= model_type.constantize
end
def file_type
super.presence_in(Workarea.config.data_file_formats) ||
Workarea.config.data_file_formats.first
end
def process!
raise NotImplementedError
end
def complete?
completed_at.present?
end
def sample_file_content
format.serialize(samples)
end
def samples
@samples ||= model_class.limit(Workarea.config.data_file_sample_size).to_a
end
def tempfile
@tempfile ||= File.open(Pathname.new(Dir.tmpdir).join(generate_file_name), 'w')
end
def format
@format ||= "Workarea::DataFile::#{file_type.camelize}".constantize.new(self)
end
private
def generate_file_name
"#{model_class.model_name.route_key}_#{Time.current.to_s(:export)}.#{file_type}"
end
end
end
end
Version data entries
11 entries across 11 versions & 1 rubygems