SectionController using DiffableBox

SectionController.swift

//
//  TicketSectionController.swift
//
//  Created by Javier Loucim on 8/5/17.
//  Copyright © 2017 Javier Loucim. All rights reserved.
//

import Foundation
import UIKit
import IGListKit

protocol TicketSectionControllerDelegate {
    func ticketWasSelected(ticket:TicketShort)
}

class TicketSectionController: ListSectionController {
    
    convenience init(delegate: TicketSectionControllerDelegate) {
        self.init()
        self.delegate = delegate
    }
    
    var data:TicketShort = TicketShort()
    var delegate:TicketSectionControllerDelegate?
    
    override func sizeForItem(at index: Int) -> CGSize {
        let width = collectionContext!.containerSize.width
        let height = TicketCollectionViewCell.calculateHeight()
        return CGSize(width: width, height: height)
    }
    
    override func cellForItem(at index: Int) -> UICollectionViewCell {
        let cell = collectionContext!.dequeueReusableCell(withNibName: "TicketCollectionViewCell", bundle: Bundle.main, for: self, at: index) as! TicketCollectionViewCell
        cell.configure(with: data)
        return cell
    }
    
    override func didUpdate(to object: Any) {
        let boxed = object as! DiffableBox<TicketShort>
        self.data = boxed.value 
    }
    
    override func didSelectItem(at index: Int) {
        delegate?.ticketWasSelected(ticket: self.data)
    }
    
}