metatext/View Models/AttachmentViewModel.swift
2020-08-28 12:56:28 -07:00

28 lines
621 B
Swift

// Copyright © 2020 Metabolist. All rights reserved.
import Foundation
struct AttachmentViewModel {
let attachment: Attachment
init(attachment: Attachment) {
self.attachment = attachment
}
}
extension AttachmentViewModel {
var aspectRatio: Double? {
if
let info = attachment.meta?.original,
let width = info.width,
let height = info.height,
width != 0,
height != 0 {
let aspectRatio = Double(width) / Double(height)
return aspectRatio.isNaN ? nil : aspectRatio
}
return nil
}
}