This gem extends ActiveRecord to move associated records based on has_many and has_one associations.
In your Gemfile:
gem "move_associations"
class City
validates_presence_of :name
belongs_to :state
has_many :addresses
has_one :person
has_many :institutions
end
@city = City.find(10)
@city.move_association(:addresses, 15) => # It move the associated records in addresses table from city with ID 10 to city with ID 15.
@city = City.find(10)
@city.move_associations(15) => # It moves all the associated records from city with ID 10 to city with ID 15 using the
# has_many and has_one relationships.
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