Module: MongoHash

Included in:
Hash
Defined in:
lib/mongo_persist/hash_ext.rb

Instance Method Summary collapse

Instance Method Details

#can_mongo_convert? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/mongo_persist/hash_ext.rb', line 31

def can_mongo_convert?
  all? { |k,x| x.can_mongo_convert? && x }
end

#get_mongo_id ⇒ Object 



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# File 'lib/mongo_persist/hash_ext.rb', line 2

def get_mongo_id
  ['_id','mongo_id'].each { |x| return self[x] if self[x] }
  nil
end

#mongo_class ⇒ Object 



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# File 'lib/mongo_persist/hash_ext.rb', line 9

def mongo_class
  self['_mongo_class'] ? eval(self['_mongo_class']) : nil
end

#naked_reference? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/mongo_persist/hash_ext.rb', line 6

def naked_reference?
  (keys - ['_id','_mongo_class','mongo_id']).empty? && !!get_mongo_id
end

#to_mongo_hash ⇒ Object 



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# File 'lib/mongo_persist/hash_ext.rb', line 25

def to_mongo_hash
  res = {}
  each { |k,v| res[k.safe_to_mongo_hash.to_mongo_key] = v.safe_to_mongo_hash }
  res
end

#to_mongo_hash_for_obj ⇒ Object 



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# File 'lib/mongo_persist/hash_ext.rb', line 12

def to_mongo_hash_for_obj
  h = reject { |k,v| k == '_mongo_class' }
  h['mongo_id'] = h['_id'] if h['_id']
  h.reject { |k,v| k == '_id' }
end

#to_mongo_object ⇒ Object 



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# File 'lib/mongo_persist/hash_ext.rb', line 17

def to_mongo_object
  return map_value { |v| v.safe_to_mongo_object }.map_key { |k| k.from_mongo_key } unless mongo_class
  if naked_reference?
    mongo_class.collection.find_one_object('_id' => get_mongo_id)
  else
    mongo_class.from_mongo_hash(to_mongo_hash_for_obj)
  end
end