Implement report supplement evidence flow
This commit is contained in:
@ -3,8 +3,11 @@
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// suixinkan
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//
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import AVFoundation
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import PhotosUI
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import SnapKit
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import UIKit
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import UniformTypeIdentifiers
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/// 举报摄影师模块 UI 工具，统一卡片、标签和按钮样式。
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enum WildReportUI {
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@ -182,6 +185,322 @@ final class WildReportAttachmentChipView: UIView {
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}
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}
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/// 举报模块本地媒体选择目标。
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enum WildReportPickerTarget: Equatable {
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case image
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case video
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case payment
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init(kind: WildReportAttachmentKind) {
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switch kind {
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case .image: self = .image
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case .video: self = .video
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case .payment: self = .payment
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}
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}
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var attachmentKind: WildReportAttachmentKind {
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switch self {
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case .image: return .image
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case .video: return .video
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case .payment: return .payment
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}
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}
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var titlePrefix: String {
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switch self {
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case .image: return "现场图片"
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case .video: return "现场视频"
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case .payment: return "支付截图"
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}
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}
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var limitMessage: String {
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switch self {
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case .image: return "现场证据最多上传9项"
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case .video: return "现场视频最多上传3段"
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case .payment: return "支付截图最多上传3张"
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}
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}
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}
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/// 举报模块 PHPicker 结果加载器，将图片/视频保存为可预览和待上传的本地文件。
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enum WildReportLocalMediaLoader {
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static func load(
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results: [PHPickerResult],
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target: WildReportPickerTarget,
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titlePrefix: String? = nil
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) async throws -> [WildReportAttachment] {
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var attachments: [WildReportAttachment] = []
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for result in results {
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let attachment = target == .video
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? try await loadVideo(from: result.itemProvider, target: target, titlePrefix: titlePrefix)
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: try await loadImage(from: result.itemProvider, target: target, titlePrefix: titlePrefix)
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attachments.append(attachment)
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}
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return attachments
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}
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private static func loadImage(
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from provider: NSItemProvider,
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target: WildReportPickerTarget,
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titlePrefix: String?
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) async throws -> WildReportAttachment {
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try await withCheckedThrowingContinuation { continuation in
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guard provider.canLoadObject(ofClass: UIImage.self) else {
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continuation.resume(throwing: OSSUploadError.unsupportedFileType)
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return
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}
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provider.loadObject(ofClass: UIImage.self) { object, error in
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if let error {
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continuation.resume(throwing: error)
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return
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}
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guard let image = object as? UIImage,
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let data = image.jpegData(compressionQuality: 0.9) else {
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continuation.resume(throwing: OSSUploadError.emptyFile)
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return
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}
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do {
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let fileName = "report_image_\(UUID().uuidString).jpg"
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let url = try write(data: data, fileName: fileName)
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continuation.resume(returning: WildReportAttachment(
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kind: target.attachmentKind,
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title: titlePrefix ?? target.titlePrefix,
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localFileURL: url,
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fileName: fileName
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))
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} catch {
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continuation.resume(throwing: error)
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}
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}
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}
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}
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private static func loadVideo(
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from provider: NSItemProvider,
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target: WildReportPickerTarget,
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titlePrefix: String?
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) async throws -> WildReportAttachment {
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try await withCheckedThrowingContinuation { continuation in
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provider.loadFileRepresentation(forTypeIdentifier: UTType.movie.identifier) { url, error in
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if let error {
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continuation.resume(throwing: error)
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return
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}
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guard let url else {
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continuation.resume(throwing: OSSUploadError.emptyFile)
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return
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}
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do {
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let ext = url.pathExtension.isEmpty ? "mp4" : url.pathExtension
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let fileName = "report_video_\(UUID().uuidString).\(ext)"
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let targetURL = try temporaryFileURL(fileName: fileName)
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if FileManager.default.fileExists(atPath: targetURL.path) {
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try FileManager.default.removeItem(at: targetURL)
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}
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try FileManager.default.copyItem(at: url, to: targetURL)
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continuation.resume(returning: WildReportAttachment(
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kind: target.attachmentKind,
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title: titlePrefix ?? target.titlePrefix,
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localFileURL: targetURL,
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fileName: fileName
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))
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} catch {
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continuation.resume(throwing: error)
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}
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}
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}
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}
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private static func write(data: Data, fileName: String) throws -> URL {
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let url = try temporaryFileURL(fileName: fileName)
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try data.write(to: url, options: .atomic)
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return url
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}
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private static func temporaryFileURL(fileName: String) throws -> URL {
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let directory = FileManager.default.temporaryDirectory.appendingPathComponent("wild_report_media", isDirectory: true)
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if !FileManager.default.fileExists(atPath: directory.path) {
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try FileManager.default.createDirectory(at: directory, withIntermediateDirectories: true)
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}
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return directory.appendingPathComponent(fileName)
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}
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}
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/// 举报模块附件缩略 tile，优先展示本地图片或视频封面。
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final class WildReportAttachmentTileView: UIControl {
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private let gradientLayer = CAGradientLayer()
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private let previewAction: () -> Void
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private let removeAction: () -> Void
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private let tileSize: CGFloat
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init(
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attachment: WildReportAttachment,
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tileSize: CGFloat = 58,
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onPreview: @escaping () -> Void,
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onRemove: @escaping () -> Void
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) {
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self.previewAction = onPreview
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self.removeAction = onRemove
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self.tileSize = tileSize
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super.init(frame: .zero)
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layer.cornerRadius = 10
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clipsToBounds = false
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gradientLayer.cornerRadius = 10
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let colors: [UIColor] = attachment.kind == .video
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? [UIColor(hex: 0xB7D8FF), UIColor(hex: 0x4C8FEF)]
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: [UIColor(hex: 0xCFE6FF), UIColor(hex: 0x7EB4FF)]
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gradientLayer.colors = colors.map(\.cgColor)
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gradientLayer.startPoint = CGPoint(x: 0, y: 0)
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gradientLayer.endPoint = CGPoint(x: 1, y: 1)
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layer.insertSublayer(gradientLayer, at: 0)
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let thumbnailView = UIImageView()
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thumbnailView.image = WildReportAttachmentThumbnailFactory.thumbnail(for: attachment)
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thumbnailView.contentMode = .scaleAspectFill
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thumbnailView.clipsToBounds = true
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thumbnailView.layer.cornerRadius = 10
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thumbnailView.isUserInteractionEnabled = false
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thumbnailView.isHidden = thumbnailView.image == nil
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addSubview(thumbnailView)
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thumbnailView.snp.makeConstraints { make in
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make.edges.equalToSuperview()
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}
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let icon = UIImageView(image: UIImage(systemName: attachment.kind == .video ? "play.circle.fill" : "mountain.2.fill"))
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icon.tintColor = UIColor.white.withAlphaComponent(0.95)
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icon.contentMode = .scaleAspectFit
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icon.isHidden = attachment.kind != .video && thumbnailView.image != nil
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addSubview(icon)
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icon.snp.makeConstraints { make in
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make.center.equalToSuperview()
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make.size.equalTo(attachment.kind == .video ? 30 : 26)
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}
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let removeButton = UIButton(type: .system)
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removeButton.setImage(UIImage(systemName: "xmark.circle.fill"), for: .normal)
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removeButton.setPreferredSymbolConfiguration(UIImage.SymbolConfiguration(pointSize: 17, weight: .semibold), forImageIn: .normal)
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removeButton.tintColor = UIColor(hex: 0x8D93A1)
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removeButton.backgroundColor = .white
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removeButton.layer.cornerRadius = 14
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removeButton.layer.shadowColor = UIColor.black.cgColor
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removeButton.layer.shadowOpacity = 0.10
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removeButton.layer.shadowRadius = 4
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removeButton.layer.shadowOffset = CGSize(width: 0, height: 2)
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removeButton.addTarget(self, action: #selector(removeTapped), for: .touchUpInside)
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addSubview(removeButton)
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removeButton.snp.makeConstraints { make in
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make.top.trailing.equalToSuperview().inset(-2)
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make.size.equalTo(34)
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}
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addTarget(self, action: #selector(previewTapped), for: .touchUpInside)
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snp.makeConstraints { make in
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make.size.equalTo(tileSize)
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}
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}
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@available(*, unavailable)
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required init?(coder: NSCoder) {
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fatalError("init(coder:) has not been implemented")
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}
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override func layoutSubviews() {
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super.layoutSubviews()
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gradientLayer.frame = bounds
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}
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@objc private func previewTapped() {
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previewAction()
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}
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@objc private func removeTapped() {
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removeAction()
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}
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}
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/// 举报模块附件封面生成器，负责从本地图片或视频文件提取缩略图。
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enum WildReportAttachmentThumbnailFactory {
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static func thumbnail(for attachment: WildReportAttachment) -> UIImage? {
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guard let url = attachment.localFileURL else { return nil }
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switch attachment.kind {
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case .image, .payment:
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return UIImage(contentsOfFile: url.path)
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case .video:
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return videoThumbnail(url: url)
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}
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}
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private static func videoThumbnail(url: URL) -> UIImage? {
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let asset = AVURLAsset(url: url)
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let generator = AVAssetImageGenerator(asset: asset)
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generator.appliesPreferredTrackTransform = true
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generator.maximumSize = CGSize(width: 160, height: 160)
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do {
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let cgImage = try generator.copyCGImage(at: CMTime(seconds: 0.1, preferredTimescale: 600), actualTime: nil)
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return UIImage(cgImage: cgImage)
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} catch {
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return nil
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}
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}
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}
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/// 举报模块添加附件 tile，白底虚线加号。
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final class WildReportAddAttachmentTileView: UIControl {
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private let tapAction: () -> Void
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private let borderLayer = CAShapeLayer()
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private let tileSize: CGFloat
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init(
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tileSize: CGFloat = 58,
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borderColor: UIColor = UIColor(hex: 0xCDD5E1),
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iconColor: UIColor = UIColor(hex: 0x8D93A1),
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action: @escaping () -> Void
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) {
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self.tapAction = action
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self.tileSize = tileSize
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super.init(frame: .zero)
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backgroundColor = .white
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layer.cornerRadius = 10
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borderLayer.strokeColor = borderColor.cgColor
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borderLayer.fillColor = UIColor.clear.cgColor
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borderLayer.lineWidth = 1
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borderLayer.lineDashPattern = [5, 4]
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layer.addSublayer(borderLayer)
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let icon = UIImageView(image: UIImage(systemName: "plus"))
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icon.tintColor = iconColor
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icon.contentMode = .scaleAspectFit
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addSubview(icon)
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icon.snp.makeConstraints { make in
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make.center.equalToSuperview()
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make.size.equalTo(30)
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}
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addTarget(self, action: #selector(tapped), for: .touchUpInside)
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snp.makeConstraints { make in
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make.size.equalTo(tileSize)
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}
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}
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@available(*, unavailable)
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required init?(coder: NSCoder) {
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fatalError("init(coder:) has not been implemented")
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}
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override func layoutSubviews() {
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super.layoutSubviews()
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borderLayer.path = UIBezierPath(roundedRect: bounds, cornerRadius: 10).cgPath
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}
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@objc private func tapped() {
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tapAction()
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}
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}
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/// 举报模块空状态视图。
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final class WildReportEmptyView: UIView {
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init(text: String) {
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