Retrospring/lib/use_case/data_export/base.rb

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2022-12-07 23:20:45 -08:00
# frozen_string_literal: true
require "json"
require "use_case/base"
module UseCase
module DataExport
class Base < UseCase::Base
# the user that is being exported
option :user
def call = files
# returns a hash with `{ "file_name" => "file_contents\n" }`
def files = raise NotImplementedError
# helper method that returns the column names of `model` as symbols
def column_names(model) = model.column_names.map(&:to_sym)
# helper method that generates the content of a json file
#
# it ensures the final newline exists, as the exporter only uses File#write
def json_file!(**hash) = "#{JSON.pretty_generate(hash.as_json)}\n"
end
end
end