SWIFT – Using the Alamofire and ObjectMapper, the integer value is always zero

class Category: Object, Mappable {

dynamic var id: Int = 0
dynamic var name = ""
dynamic var thumbnail = ""
var children = List()
 

override static func primaryKey() -> String? {
 return "id"
}


required convenience init?(_ map: Map) {
 self.init()
}

func mapping(map: Map) {
 id <- map["id"]
 name <- map["name"]
 thumbnail <- map["thumbnail"]
 children <- map["children"]
}

Alamofire.request(.GET, url).responseArray {(response: Response<[Category], NSError >) in

 let categories = response.result.value

 if let categories = categories {
 for category in categories {
 print(category. id)
 print(category.name)
 }
 }
 }

id <- (map["id"], TransformOf(fromJSON: {Int($0!) }, toJSON: {$0.map {String($0 )} }))

I am using Alamofire and ObjectMapper, my model class is like this

class Category: Object, Mappable {

dynamic var id: Int = 0
dynamic var name = ""
dynamic var thumbnail = ""
var children = List()


override static func primaryKey() -> String? {
 return "id"
 }


required convenience init?(_ map: Map) {
 self.init()
}

func mapping(map : Map) {
 id <- map["id"]
 name <- map["name"]
 thumbnail <- map["thumbnail"]
 children <- map["children"]
}

}

And I am using Alamofire like this

Alamofire.request (.GET, url).responseArray {(response: Response<[Category], NSError>) in

 let categories = response.result.value

 if let categories = categories {
 for category in categories {
 print(category.id)
 print(category.name )
 }
 }
 }

The id is always zero, I don’t know why?

I fixed it by adding transformations in the mapping function in the model class

 id <- (map["id"], TransformOf(fromJSON: {Int($0!) }, toJSON: {$0.map {String($0)} }))

Thanks @BobWakefield