donphan/app/models/admin/import.rb

33 lines
777 B
Ruby

# frozen_string_literal: true
# A non-activerecord helper class for csv upload
class Admin::Import
include ActiveModel::Model
ROWS_PROCESSING_LIMIT = 20_000
attr_accessor :data
validates :data, presence: true
validate :validate_data
def data_file_name
data.original_filename
end
private
def validate_data
return if data.blank?
csv_data = CSV.read(data.path, encoding: 'UTF-8')
row_count = csv_data.size
row_count -= 1 if csv_data.first&.first == '#domain'
errors.add(:data, I18n.t('imports.errors.over_rows_processing_limit', count: ROWS_PROCESSING_LIMIT)) if row_count > ROWS_PROCESSING_LIMIT
rescue CSV::MalformedCSVError => e
errors.add(:data, I18n.t('imports.errors.invalid_csv_file', error: e.message))
end
end