using nested field values

Question

in mongo:

{
   "_id": ObjectId("519733333fb6664b5d000000"),
   "email": "[email protected]",
   "dates": {
       "pre_register": "2013-05-18 04:53:38" 
   } 
}

my model:

class Member
      include Mongoid::Document
      store_in collection:'member'

      field :email
      field :dates
end

how to use the field dates.pre_register? I tried this:

field :dates.pre_register

but no success.

rpechayr · Accepted Answer · 2013-05-27 17:08:24Z

1

Your problem is that field actually defines string types by default.

I think you should think the other way around. Let mongoid generate the mongodb document for you. One way to achieve what you are looking for is to define another Mongoid::Document "Date" and have your class Member embed id as:

embedds_many :dates

This would work. If you don't want to define a custom Mongoid::Document for that, just use a hash field like:

field :dates, :type => Hash

answered May 27, 2013 at 17:08

rpechayr

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1 Comment

Leabdalla Over a year ago

thanks! I'm trying to use this with rails_admin but seems this gem has no support for editing hash/array field

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