Sha256: 8d286271189fd4d6dd60f51050036139930df6d696a9ec1031754577e2568445
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Versions: 13
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Stored size: 1.21 KB
Contents
module Technoweenie # :nodoc:
module AttachmentFu # :nodoc:
module Backends
# Methods for DB backed attachments
module DbFileBackend
def self.included(base) #:nodoc:
Object.const_set(:DbFile, Class.new(ActiveRecord::Base)) unless Object.const_defined?(:DbFile)
base.belongs_to :db_file, :class_name => '::DbFile', :foreign_key => 'db_file_id'
end
# Creates a temp file with the current db data.
def create_temp_file
write_to_temp_file current_data
end
# Gets the current data from the database
def current_data
db_file.data
end
protected
# Destroys the file. Called in the after_destroy callback
def destroy_file
db_file.destroy if db_file
end
# Saves the data to the DbFile model
def save_to_storage
if save_attachment?
(db_file || build_db_file).data = temp_data
db_file.save!
self.db_file_id = db_file.id
self.class.where(:id => id).update_all(:db_file_id => db_file.id)
end
true
end
end
end
end
end
Version data entries
13 entries across 13 versions & 2 rubygems