Unboxable+safeUnbox.swift

import Unbox
import Foundation

extension Unboxable {
    
    func safeUnbox(unboxer: Unboxer,key :String )->String{
        do{
            return try unboxer.unbox(key: key) as String
        }catch{
            return ""
        }
    }
    
    func safeUnbox(unboxer: Unboxer,key :String )->Int{
        do{
            return try unboxer.unbox(key: key) as Int
        }catch{
            return 0
        }
    }
    
    func safeUnbox(unboxer: Unboxer,key :String )->Bool{
        do{
            return try unboxer.unbox(key: key) as Bool
        }catch{
            return false
        }
    }
    
    func safeUnbox(unboxer: Unboxer,key :String )->Float{
        do{
            return try unboxer.unbox(key: key) as Float
        }catch{
            return 0.0
        }
    }
    
    func safeUnbox(unboxer: Unboxer,key :String )->PostType{
        do{
            return try unboxer.unbox(key: key) as PostType
        }catch{
            return PostType.photo
        }
    }
    
    func safeUnbox(unboxer: Unboxer,key :String )->InteractionType{
        do{
            return try unboxer.unbox(key: key) as InteractionType
        }catch{
            return InteractionType.like
        }
    }
    
    func safeUnbox(unboxer: Unboxer,key :String )->UserType{
        do{
            return try unboxer.unbox(key: key) as UserType
        }catch{
            return UserType.other
        }
    }
    
    func safeUnbox(unboxer: Unboxer, key :String) -> HashagType {
        do {
            return try unboxer.unbox(key: key) as HashagType
        } catch {
            return HashagType.hashtag
        }
    }
    
    func safeUnbox(unboxer: Unboxer, key :String) -> LinkPostType {
        do {
            return try unboxer.unbox(key: key) as LinkPostType
        } catch {
            return LinkPostType.same
        }
    }
    
    func safeUnbox(unboxer: Unboxer, key :String) -> Double {
        do {
            return try unboxer.unbox(key: key) as Double
        } catch {
            return 0.0
        }
    }
}