汉秋
3c4ca7eefb
Implement task creation with cloud/local media, order linking, and OSS upload; wire home entry and move profile nickname/avatar editing to ProfileEditViewController. Co-authored-by: Cursor <cursoragent@cursor.com>
103 lines
3.5 KiB
Swift
103 lines
3.5 KiB
Swift
//
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// ProfileEditViewModel.swift
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// suixinkan
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//
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import Foundation
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/// 资料编辑页 ViewModel，负责头像与昵称的本地编辑与提交保存。
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final class ProfileEditViewModel {
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private let initialNickname: String
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private let initialAvatarURL: String
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private(set) var editingNickname = ""
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private(set) var pendingAvatarData: Data?
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private(set) var pendingAvatarFileName: String?
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private(set) var isSaving = false
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private(set) var avatarUploadProgress: Int?
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var onStateChange: (() -> Void)?
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/// 当前展示用的远程头像 URL（未选择新图时使用初始值）。
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var displayAvatarURL: String {
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initialAvatarURL
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}
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/// 使用「我的」页当前展示的快照初始化编辑态。
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init(nickname: String, avatarURL: String) {
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initialNickname = nickname
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initialAvatarURL = avatarURL
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editingNickname = nickname == "未设置昵称" ? "" : nickname
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}
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func updateEditingNickname(_ value: String) {
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editingNickname = value
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notifyStateChange()
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}
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func prepareAvatarImage(data: Data, timestamp: TimeInterval = Date().timeIntervalSince1970) throws {
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let processed = try AvatarImageProcessor.process(data: data, timestamp: timestamp)
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pendingAvatarData = processed.data
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pendingAvatarFileName = processed.fileName
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notifyStateChange()
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}
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/// 提交昵称与头像变更；无变更时不请求网络。
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func saveProfile(api: ProfileAPI, uploader: any OSSUploadServing, scenicId: Int) async throws {
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let nextNickname = editingNickname.trimmingCharacters(in: .whitespacesAndNewlines)
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guard !nextNickname.isEmpty else {
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throw ProfileValidationError.emptyNickname
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}
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let nicknameChanged = nextNickname != initialNickname
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let avatarChanged = pendingAvatarData != nil
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guard nicknameChanged || avatarChanged else { return }
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guard !isSaving else { return }
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isSaving = true
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avatarUploadProgress = avatarChanged ? 1 : nil
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notifyStateChange()
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defer {
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isSaving = false
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avatarUploadProgress = nil
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notifyStateChange()
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}
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let uploadedAvatarURL = try await uploadPendingAvatarIfNeeded(uploader: uploader, scenicId: scenicId)
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if let uploadedAvatarURL {
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try await api.updateUserAvatarURL(uploadedAvatarURL)
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}
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if nicknameChanged {
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try await api.updateUserInfo(nickname: nextNickname)
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}
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AppStore.shared.userName = nextNickname
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if let uploadedAvatarURL {
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AppStore.shared.avatar = uploadedAvatarURL
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}
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clearPendingAvatar()
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NotificationCenter.default.post(name: NotificationName.userProfileDidUpdate, object: nil)
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}
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private func uploadPendingAvatarIfNeeded(uploader: any OSSUploadServing, scenicId: Int) async throws -> String? {
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guard let pendingAvatarData else { return nil }
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let fileName = pendingAvatarFileName ?? "avatar_\(Int(Date().timeIntervalSince1970)).jpg"
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return try await uploader.uploadUserAvatar(data: pendingAvatarData, fileName: fileName, scenicId: scenicId) { [weak self] progress in
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self?.avatarUploadProgress = progress
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self?.notifyStateChange()
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}
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}
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private func clearPendingAvatar() {
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pendingAvatarData = nil
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pendingAvatarFileName = nil
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avatarUploadProgress = nil
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}
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private func notifyStateChange() {
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onStateChange?()
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}
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}
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