NetNewsWire/Frameworks/Account/FeedProvider/Twitter/TwitterExtendedMedia.swift

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//
// TwitterExtendedMedia.swift
// Account
//
// Created by Maurice Parker on 4/18/20.
// Copyright © 2020 Ranchero Software, LLC. All rights reserved.
//
import Foundation
struct TwitterExtendedMedia: Codable {
let idStr: String?
let indices: [Int]?
let mediaURL: String?
let httpsMediaURL: String?
let url: String?
let displayURL: String?
let type: String?
let video: TwitterVideo?
enum CodingKeys: String, CodingKey {
case idStr = "idStr"
case indices = "indices"
case mediaURL = "media_url"
case httpsMediaURL = "media_url_https"
case url = "url"
case displayURL = "display_url"
case type = "type"
case video = "video_info"
}
func renderAsHTML() -> String {
var html = String()
switch type {
case "photo":
html += renderPhotoAsHTML()
case "video", "animated_gif":
html += renderVideoAsHTML()
default:
break
}
return html
}
}
private extension TwitterExtendedMedia {
func renderPhotoAsHTML() -> String {
if let httpsMediaURL = httpsMediaURL {
return "<figure><img src=\"\(httpsMediaURL)\"></figure>"
}
if let mediaURL = mediaURL {
return "<figure><img src=\"\(mediaURL)\"></figure>"
}
return ""
}
func renderVideoAsHTML() -> String {
guard let bestVariantURL = findBestVariant()?.url else { return "" }
var html = "<video "
if let httpsMediaURL = httpsMediaURL {
html += "poster=\"\(httpsMediaURL)\" "
} else if let mediaURL = mediaURL {
html += "poster=\"\(mediaURL)\" "
}
html += "src=\"\(bestVariantURL)\"></video>"
return html
}
func findBestVariant() -> TwitterVideo.Variant? {
var best: TwitterVideo.Variant? = nil
if let variants = video?.variants {
for variant in variants {
if let currentBest = best {
if variant.bitrate ?? 0 > currentBest.bitrate ?? 0 {
best = variant
}
} else {
best = variant
}
}
}
return best
}
}