Module: SimplyStored::SimpleDB::Attributes

Included in:
SimplyStored::Simple
Defined in:
lib/simply_stored/simpledb/attributes.rb

Defined Under Namespace

Modules: ClassMethods

Class Method Summary collapse

Instance Method Summary collapse

Class Method Details

.included(base) ⇒ Object 



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# File 'lib/simply_stored/simpledb/attributes.rb', line 4

def self.included(base)
  base.extend(ClassMethods)
end

Instance Method Details

#_remove_protected_attributes(attrs) ⇒ Object 



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# File 'lib/simply_stored/simpledb/attributes.rb', line 127

def _remove_protected_attributes(attrs)
  return {} if attrs.blank?
  attrs = attrs.dup.stringify_keys
  (self.class.instance_variable_get(:@_protected_attributes) || []).map(&:to_s).each do |protected_attribute|
    attrs.delete(protected_attribute)
  end

  accessible_attributes = (self.class.instance_variable_get(:@_accessible_attributes) || []).map(&:to_s)

  if accessible_attributes.present?
    attrs.each do |attr_key, attr_value|
      attrs.delete(attr_key) unless accessible_attributes.include?(attr_key)
    end
  end

  attrs
end

#attributes=(attr) ⇒ Object 



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# File 'lib/simply_stored/simpledb/attributes.rb', line 122

def attributes=(attr)
  attr = _remove_protected_attributes(attr)
  super(attr)
end

#partition_string_attributes ⇒ Object 



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# File 'lib/simply_stored/simpledb/attributes.rb', line 145

def partition_string_attributes
  (self.class.instance_variable_get(:@_partitioned_attributes) || []).each do |attr|
    next if self[attr].nil?
    value = self[attr].first
    if value.present? && value.size > 1024
      0.upto(value.size / 1024) do |i|
        self["#{attr.to_s}_#{i}"] = value[(1024 * i)..(1024 * (i + 1) - 1)]
      end
      @_partitioned_attributes ||= {}
      @_partitioned_attributes[attr] = self[attr]
      send("#{attr}=", [])
    end
  end
end

#restore_partitioned_attributes ⇒ Object 



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# File 'lib/simply_stored/simpledb/attributes.rb', line 160

def restore_partitioned_attributes
  (self.class.instance_variable_get(:@_partitioned_attributes) || []).each do |attr|
    if (partitions = attributes.select{|key, value| key.match(/^#{attr}_([0-9]+)$/)}).any?
      unpartitioned_value = ""
      partitions.sort_by{|key, value| key.match(/^#{attr}_([0-9]+)$/); $1}.each do |partition|
        unpartitioned_value << partition.last.first
      end
      self[attr] = unpartitioned_value
    end
  end
end