Module: Mongoid::Extensions::Hash::Accessors

Included in:
Hash
Defined in:
lib/mongoid/extensions/hash/accessors.rb

Overview

:nodoc:

Instance Method Summary collapse

Instance Method Details

#insert(key, attrs) ⇒ Object

Inserts new attributes into the hash. If the elements are present in the hash it will update them, otherwise it will add the new attributes into the hash as either a child hash or child array of hashes.



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# File 'lib/mongoid/extensions/hash/accessors.rb', line 21

def insert(key, attrs)
  elements = self[key]
  if elements
    elements.merge!(attrs)
  else
    self[key] = key.singular? ? attrs : [attrs]
  end
end

#klass ⇒ Object

If a _type key exists in the hash, return the class for the value.



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# File 'lib/mongoid/extensions/hash/accessors.rb', line 31

def klass
  class_name = self["_type"]
  class_name ? class_name.constantize : nil
end

#remove(key, attrs) ⇒ Object

Remove a set of attributes from a hash. If the attributes are contained in an array it will remove it from the array, otherwise it will delete the child attribute completely.



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# File 'lib/mongoid/extensions/hash/accessors.rb', line 10

def remove(key, attrs)
  elements = self[key]
  if elements
    key.singular? ? self[key] = nil : elements.delete(attrs)
  end
end