class ActiveStorage::Attached::Many
Decorated proxy object representing of multiple attachments to a model.
Public Instance Methods
attach(*attachables)
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Associates one or several attachments with the current record, saving them to the database.
document.images.attach(params[:images]) # Array of ActionDispatch::Http::UploadedFile objects document.images.attach(params[:signed_blob_id]) # Signed reference to blob from direct upload document.images.attach(io: File.open("/path/to/racecar.jpg"), filename: "racecar.jpg", content_type: "image/jpg") document.images.attach([ first_blob, second_blob ])
# File lib/active_storage/attached/many.rb, line 21 def attach(*attachables) attachables.flatten.collect do |attachable| if record.new_record? attachments.build(record: record, blob: create_blob_from(attachable)) else attachments.create!(record: record, blob: create_blob_from(attachable)) end end end
attached?()
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Returns true if any attachments has been made.
class Gallery < ActiveRecord::Base has_many_attached :photos end Gallery.new.photos.attached? # => false
# File lib/active_storage/attached/many.rb, line 38 def attached? attachments.any? end
attachments()
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Returns all the associated attachment records.
All methods called on this proxy object that aren't listed here will automatically be delegated to attachments
.
# File lib/active_storage/attached/many.rb, line 11 def attachments record.public_send("#{name}_attachments") end
detach()
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Deletes associated attachments without purging them, leaving their respective blobs in place.
# File lib/active_storage/attached/many.rb, line 43 def detach attachments.destroy_all if attached? end
purge()
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Directly purges each associated attachment (i.e. destroys the blobs and attachments and deletes the files on the service).
# File lib/active_storage/attached/many.rb, line 48
purge_later()
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Purges each associated attachment through the queuing system.
# File lib/active_storage/attached/many.rb, line 55