275 lines
9.0 KiB
Swift
275 lines
9.0 KiB
Swift
//
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// ImagePlugin.swift
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// DLSDK
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//
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// Created by osell on 2023/4/14.
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//
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import UIKit
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import Kingfisher
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import CoreMedia
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nonisolated(unsafe) let kBrokenNetworkImage = UIImage(named: "Common/image_broken") ?? UIImage()
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extension UIImage {
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static var brokenNetworkImage: UIImage { kBrokenNetworkImage }
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}
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private let kNetworkImageFailureOptions: KingfisherOptionsInfo = [
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.onFailureImage(kBrokenNetworkImage)
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]
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public protocol ImageSource {
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/// 图片资源URL
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var imageURL: URL? { get }
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/// 图片资源字符串
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var imageStr: String? { get }
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}
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extension ImageSource {
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var imageURL: URL? { nil }
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var imageStr: String? { nil }
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}
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extension String: ImageSource {
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public var imageURL: URL? { URL(string: self.urlEncodingWithQueryAllowedCharacters) }
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public var imageStr: String? { self }
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}
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extension URL: ImageSource {
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public var imageURL: URL? { self }
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public var imageStr: String? { self.absoluteString.urlDecoded }
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}
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// MARK: - UIImageView
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extension DLWrapper where Base: UIImageView {
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/// 设置图片
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/// - Parameters:
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/// - url: 图片链接/名称, URL or String
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/// - placeholder: 可选，默认nil
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/// - completionHandler: 可选，默认为nil
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@MainActor public func setImage(with url: ImageSource?,
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placeholder: UIImage? = nil,
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completionHandler: ((UIImage?, Error?) -> Void)? = nil) {
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guard let imageURL = url?.imageURL else {
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let imageStr = url?.imageStr ?? ""
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// 如果是本地图片,加载本地图片
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if let image = UIImage(named: imageStr) {
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base.image = image
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return
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}
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// 如果是SDK中图片，则加载SDK中图片
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if let image = UIImage(named: imageStr) {
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base.image = image
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return
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}
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base.image = placeholder ?? .brokenNetworkImage
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return
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}
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// 如果是视频, 获取视频第一帧
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if imageURL.imageStr?.contains(".mp4") == true {
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let source = AVAssetImageDataProvider(assetURL: imageURL, time: CMTimeMakeWithSeconds(0.0, preferredTimescale: 1))
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base.kf.setImage(
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with: source.convertToSource(),
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placeholder: placeholder,
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options: kNetworkImageFailureOptions
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) { result in
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switch result {
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case let .success(imageinfo):
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completionHandler?(imageinfo.image, nil)
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case let .failure(error):
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completionHandler?(nil, error)
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}
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}
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} else {
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base.kf.setImage(
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with: imageURL,
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placeholder: placeholder,
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options: kNetworkImageFailureOptions
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) { result in
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switch result {
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case let .success(imageinfo):
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completionHandler?(imageinfo.image, nil)
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case let .failure(error):
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completionHandler?(nil, error)
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}
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}
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}
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}
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}
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// MARK: - Button
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extension DLWrapper where Base: UIButton {
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/// 设置按钮图片
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/// - Parameters:
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/// - url: 图片链接, URL or String
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/// - placeholder: 可选，默认nil
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/// - completionHandler: 可选，默认为nil
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@MainActor public func setImage(with url: ImageSource?,
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for state: UIControl.State,
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placeholder: UIImage? = nil,
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completionHandler: ((UIImage?, Error?) -> Void)? = nil) {
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guard let imageURL = url?.imageURL else {
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let imageStr = url?.imageStr ?? ""
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// 如果是本地图片,加载本地图片
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if let image = UIImage(named: imageStr) {
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base.setImage(image, for: state)
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return
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}
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// 如果是SDK中图片，则加载SDK中图片
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if let image = UIImage(named: imageStr) {
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base.setImage(image, for: state)
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return
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}
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// 都不存在，则置为nil
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base.setImage(placeholder ?? .brokenNetworkImage, for: state)
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return
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}
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base.kf.setImage(
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with: imageURL,
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for: state,
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placeholder: placeholder,
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options: kNetworkImageFailureOptions,
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completionHandler: { result in
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switch result {
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case let .success(imageinfo):
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completionHandler?(imageinfo.image, nil)
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case let .failure(error):
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completionHandler?(nil, error)
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}
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}
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)
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}
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/// 设置按钮背景图片
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/// - Parameters:
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/// - url: 图片链接, URL or String
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/// - placeholder: 可选，默认nil
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/// - completionHandler: 可选，默认为nil
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@MainActor public func setBackgroundImage(with url: ImageSource?,
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for state: UIControl.State,
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placeholder: UIImage? = nil,
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completionHandler: ((UIImage?, Error?) -> Void)? = nil) {
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guard let imageURL = url?.imageURL else {
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let imageStr = url?.imageStr ?? ""
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// 如果是本地图片,加载本地图片
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if let image = UIImage(named: imageStr) {
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base.setBackgroundImage(image, for: state)
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return
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}
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// 如果是SDK中图片，则加载SDK中图片
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if let image = UIImage(named: imageStr) {
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base.setBackgroundImage(image, for: state)
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return
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}
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// 都不存在，则置为nil
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base.setBackgroundImage(placeholder ?? .brokenNetworkImage, for: state)
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return
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}
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base.kf.setBackgroundImage(
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with: imageURL,
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for: state,
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placeholder: placeholder,
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options: kNetworkImageFailureOptions,
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completionHandler: { result in
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switch result {
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case let .success(imageinfo):
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completionHandler?(imageinfo.image, nil)
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case let .failure(error):
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completionHandler?(nil, error)
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}
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}
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)
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}
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}
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enum HeadPic {
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static let placeholder = UIImage(named: "UserIcon/1") ?? UIImage()
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static func isRemote(_ value: String) -> Bool {
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let trimmed = value.trimmingCharacters(in: .whitespacesAndNewlines).lowercased()
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return trimmed.hasPrefix("http://") || trimmed.hasPrefix("https://")
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}
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static func resolved(_ values: String?...) -> String {
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let trimmed = values
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.compactMap { $0?.trimmingCharacters(in: .whitespacesAndNewlines) }
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.filter { !$0.isEmpty }
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if let remote = trimmed.first(where: { isRemote($0) }) {
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return remote
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}
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return trimmed.first ?? ""
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}
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static func localImage(_ value: String) -> UIImage {
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let trimmed = value.trimmingCharacters(in: .whitespacesAndNewlines)
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guard !trimmed.isEmpty else { return placeholder }
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return UIImage(named: "UserIcon/\(trimmed)") ?? placeholder
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}
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static func remoteURL(for value: String) -> URL? {
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let trimmed = value.trimmingCharacters(in: .whitespacesAndNewlines)
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guard isRemote(trimmed) else { return nil }
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return trimmed.imageURL ?? URL(string: trimmed)
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}
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static func image(for value: String) -> UIImage {
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guard let url = remoteURL(for: value) else {
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return localImage(value)
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}
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let key = url.cacheKey
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if let cached = ImageCache.default.retrieveImageInMemoryCache(forKey: key) {
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return cached
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}
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return UIImage()
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}
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static func load(_ value: String, completion: @escaping (UIImage) -> Void) {
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guard let url = remoteURL(for: value) else {
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completion(localImage(value))
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return
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}
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KingfisherManager.shared.retrieveImage(with: url) { result in
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let image: UIImage
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switch result {
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case let .success(value):
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image = value.image
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case .failure:
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image = .brokenNetworkImage
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}
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DispatchQueue.main.async {
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completion(image)
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}
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}
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}
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}
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extension UIImageView {
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func setHeadPic(_ value: String?) {
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let trimmed = (value ?? "").trimmingCharacters(in: .whitespacesAndNewlines)
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guard !trimmed.isEmpty else {
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kf.cancelDownloadTask()
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image = HeadPic.placeholder
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return
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}
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if let url = HeadPic.remoteURL(for: trimmed) {
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kf.cancelDownloadTask()
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kf.setImage(with: url, placeholder: nil, options: kNetworkImageFailureOptions)
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} else {
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kf.cancelDownloadTask()
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image = HeadPic.localImage(trimmed)
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}
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}
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}
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