Module: Joint::ClassMethods

Defined in:
lib/joint/class_methods.rb

Instance Method Summary collapse

Instance Method Details

#attachment(name, options = {}) ⇒ Object 



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# File 'lib/joint/class_methods.rb', line 7

def attachment(name, options = {})
  options.symbolize_keys!
  name = name.to_sym

  self.attachment_names = attachment_names.dup.add(name)

  after_save     :save_attachments
  before_save    :nullify_nil_attachments_attributes
  after_save     :destroy_nil_attachments
  before_destroy :destroy_all_attachments

  key :"#{name}_id",   ObjectId
  key :"#{name}_name", String
  key :"#{name}_size", Integer
  key :"#{name}_type", String

  validates_presence_of(name) if options[:required]

  attachment_accessor_module.module_eval "    def \#{name}\n      @\#{name} ||= AttachmentProxy.new(self, :\#{name})\n    end\n\n    def \#{name}?\n      !nil_attachments.has_key?(:\#{name}) && send(:\#{name}_id?)\n    end\n\n    def \#{name}=(file)\n      if file.nil?\n        nil_attachments[:\#{name}] = send(\"\#{name}_id\")\n        assigned_attachments.delete(:\#{name})\n      else\n        send(\"\#{name}_id=\", BSON::ObjectId.new) if send(\"\#{name}_id\").nil?\n        send(\"\#{name}_name=\", Joint.name(file))\n        send(\"\#{name}_size=\", Joint.size(file))\n        send(\"\#{name}_type=\", Joint.type(file))\n        assigned_attachments[:\#{name}] = file\n        nil_attachments.delete(:\#{name})\n      end\n    end\n  EOC\nend\n"

#attachment_accessor_module ⇒ Object 



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# File 'lib/joint/class_methods.rb', line 3

def attachment_accessor_module
  @attachment_accessor_module ||= Module.new
end