image-model

ORIGINAL SCHEMA image.json :

{
	"type":"object",
	"id":"#image",
        "properties":{
	    "name": { "type":"string"},
	    "encoding": { "type":"string"},
	    "drcid": { "type":"string"},
	    "type": { "type":"string"},
	    "environment": { "type":"string"},
	    "content": { "type":"string"}
    }
}

MODEL COFFEE FILE image.coffee :


window.models = {} unless window.models?

imageSchema = 
    "type":"object"
    "id":"#image"
    "properties":
        "name": { "type":"string" }
        "encoding": { "type":"string" }
        ...    
    

class models.Image extends Backbone.Model
    idAttribute: "name"
    urlRoot: "/images"
    defaults:
        name: ""
        encoding: ""
        drcid: ""
        type: ""
        environment: ""
        

    validate: (attrs) ->
        unless typeof attrs.encoding is "string"
            return "Encoding must be a string."
        unless typeof attrs.drcid is "string"
            return "Drcid must be a string."
        unless typeof attrs.type is "string"
            return "Type must be a string."
        unless typeof attrs.environment is "string"
            return "Environment must be a string."