gistfile1.txt

irb(main):030:0> s = Story.new
=> #<Story _id: 4bc8761e8f80a9282c000004, slug: nil, credits_amount_sum: 0, title: nil, proposal_id: nil>
irb(main):031:0> s.save
=> true
irb(main):032:0> s.id
=> "4bc8761e8f80a9282c000004"


> db.stories.findOne('4bc8761e8f80a9282c000004')
{
	"_id" : "4bc8761e8f80a9282c000004",
	"credits_amount_sum" : 0,
	"_type" : "Story"
}