Module: CollectionToCsvHelper

Defined in:
app/helpers/collection_to_csv_helper.rb

Instance Method Summary collapse

Instance Method Details

#collection_download(collection, column_names = {}) ⇒ Object 



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# File 'app/helpers/collection_to_csv_helper.rb', line 2

def collection_download(collection,column_names={})
  klass =  collection.try(:first).class
  raise "#{collection} is not a ActiveRecord collection" unless klass.ancestors.include?(ActiveRecord::Base)
  collection_ids = collection.map(&:id)
  link_to "Download" , collection2csv_path(ids: collection_ids,klass: klass,format: "csv",column_names: column_names)
end