How to create dynamic Schemas...

[dkimbell13]

I am trying to pass a JSON representation of a Schema via AJAX to a
Express server which then builds the schema and inserts an JSON
representation of an instance of that Schema into MongoDB. Lost yet?

Pretty much I am trying to create a REST interface using mongoose as
middleware, but using the same Schema, Model, Instance structure as
mongoose on the Web Side to CRUD data into a MongoDB.

So...
Given this simple JSON representation of a Schema...

"Schema":[{
"Name":"Documents",
"data":[
{"name":"author","type":"String"},
{"name":"title","type":"String"},
{"name":"body","type":"String"}
]
}]

how would I create a Schema, without using eval()...

I can create the Schema's with the correct names but the object passed
to Schema function has to have key values and SchemaTypes, not key
values and string representations of SchemaTypes...

So my question, if your not all the way confused is...

How do I build and object similar to

{ author:String,
title :String,
body :String}

using the JSON data above...

{ author:"String",
title :"String",
body :"String"}

DOES NOT WORK

String is not the same as "String", and I have not ideal how to
instantiate a String SchemaType using the string "String"

Thanks for your help,

Dom

[Tim Oxley]

So simply map "String" to the appropriate class after the initial JSON import.

eg something like:

var import = function(obj) {
  switch (obj.type) {

    case "String":

      obj.type = String

      break

    case "Number"
      obj.type = Number
      break
    /// etc
  }
  return obj
}

…and then open source it.

[dkimbell13]

Yeah, I thought of that, I just hoped there would be a more elegant
way...

something like obj.type = mongoose.Types["String"]...

or something to that effect...

and yes, this will be open sourced...

Dom

[George Antoniadis]

Where did you end up with this? :)

Had any progress?

[Nag Kiran]

Have you made any progress on this ? I am also having the same problem :)

[Justin Spears]

You can take a look how I did it here.

https://github.com/jspears/bobamo/blob/master/plugins/mongoose/mongoose.js

I believe you can get to the types, but they are natural javascript types, unless well

their not, then you can look them up in the mongoose types context.

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