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Contents
require 'csv'
module Spotlight
module Resources
##
# Creating new exhibit items from single-item entry forms
# or batch CSV upload
class CsvUploadController < ApplicationController
helper :all
before_action :authenticate_user!
load_and_authorize_resource :exhibit, class: Spotlight::Exhibit
def create
csv = CSV.parse(csv_io_param, headers: true, return_headers: false).map(&:to_hash)
Spotlight::AddUploadsFromCSV.perform_later(csv, current_exhibit, current_user)
flash[:notice] = t('spotlight.resources.upload.csv.success', file_name: csv_io_name)
redirect_back(fallback_location: spotlight.exhibit_resources_path(current_exhibit))
end
def template
render plain: CSV.generate { |csv| csv << data_param_keys.unshift(:url) }, content_type: 'text/csv'
end
private
def build_resource
@resource ||= Spotlight::Resources::Upload.new exhibit: current_exhibit
end
def csv_params
params.require(:resources_csv_upload).permit(:url)
end
def data_param_keys
Spotlight::Resources::Upload.fields(current_exhibit).map(&:field_name) + current_exhibit.custom_fields.map(&:field)
end
# Gets an IO-like object for the CSV parser to use.
# @return IO
def csv_io_param
file_or_io = csv_params[:url]
io = if file_or_io.respond_to?(:to_io)
file_or_io.to_io
else
file_or_io
end
io.set_encoding('utf-8')
end
def csv_io_name
file_or_io = csv_params[:url]
if file_or_io.respond_to? :original_filename
file_or_io.original_filename
else
t('spotlight.resources.upload.csv.anonymous_file')
end
end
end
end
end
Version data entries
36 entries across 36 versions & 1 rubygems