Created
January 30, 2017 14:20
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| class PostImagesModel { | |
| enum CellImage { | |
| case Required, Add, Actual(image: UIImage), Remote(url: NSURL) | |
| } | |
| private let maxLimit = 6 | |
| private var items: [CellImage] = [] | |
| func add(image: UIImage) { | |
| items.append(.Actual(image: image)) | |
| } | |
| func add(url: NSURL) { | |
| items.append(.Remote(url: url)) | |
| } | |
| func remove(index: Int) { | |
| guard index < items.count else { return } | |
| items.removeAtIndex(index) | |
| } | |
| var toDisplay: [CellImage] { | |
| get { | |
| guard !items.isEmpty else { | |
| return [.Required] | |
| } | |
| var toReturn = items | |
| if items.count < maxLimit { | |
| toReturn.append(.Add) | |
| } | |
| return toReturn | |
| } | |
| } | |
| } |
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