Add OSS upload and Kingfisher image support

suixinkan/Features/Profile/ViewModels/ProfileViewModel.swift

@@ -18,6 +18,9 @@ final class ProfileViewModel {
     var isSaving = false
     var isEditingProfile = false
     var editingNickname = ""
+    private(set) var pendingAvatarData: Data?
+    private(set) var pendingAvatarFileName: String?
+    private(set) var avatarUploadProgress: Int?
 
     var displayNickname: String {
         nonEmpty(userInfo?.nickname) ?? "未设置昵称"
@@ -75,29 +78,51 @@ final class ProfileViewModel {
     func cancelEditing() {
         editingNickname = ""
         isEditingProfile = false
+        clearPendingAvatar()
     }
 
-    /// 保存昵称修改，并同步更新本地 userInfo。
-    func saveProfile(api: ProfileAPI) async throws {
+    /// 准备待上传头像，并进入资料编辑状态。
+    func prepareAvatarImage(data: Data, timestamp: TimeInterval = Date().timeIntervalSince1970) throws {
+        let processed = try AvatarImageProcessor.process(data: data, timestamp: timestamp)
+        pendingAvatarData = processed.data
+        pendingAvatarFileName = processed.fileName
+        if !isEditingProfile {
+            beginEditing()
+        }
+    }
+
+    /// 保存昵称和头像修改，并同步更新本地 userInfo。
+    func saveProfile(api: ProfileAPI, uploader: any OSSUploadServing, scenicId: Int) async throws {
         let nextNickname = editingNickname.trimmingCharacters(in: .whitespacesAndNewlines)
         guard !nextNickname.isEmpty else {
             throw ProfileValidationError.emptyNickname
         }
 
         let nicknameChanged = nextNickname != displayNickname
-        guard nicknameChanged else {
+        let avatarChanged = pendingAvatarData != nil
+        guard nicknameChanged || avatarChanged else {
             cancelEditing()
             return
         }
 
         guard !isSaving else { return }
         isSaving = true
-        defer { isSaving = false }
+        avatarUploadProgress = avatarChanged ? 1 : nil
+        defer {
+            isSaving = false
+            avatarUploadProgress = nil
+        }
 
-        try await api.updateUserInfo(nickname: nextNickname)
+        let uploadedAvatarURL = try await uploadPendingAvatarIfNeeded(uploader: uploader, scenicId: scenicId)
+        if let uploadedAvatarURL {
+            try await api.updateUserAvatarURL(uploadedAvatarURL)
+        }
+        if nicknameChanged {
+            try await api.updateUserInfo(nickname: nextNickname)
+        }
         var nextUser = userInfo ?? UserInfoResponse()
         nextUser = UserInfoResponse(
-            avatar: nextUser.avatar,
+            avatar: uploadedAvatarURL ?? nextUser.avatar,
             realName: nextUser.realName,
             phone: nextUser.phone,
             nickname: nextNickname,
@@ -106,6 +131,7 @@ final class ProfileViewModel {
             statusName: nextUser.statusName
         )
         userInfo = nextUser
+        clearPendingAvatar()
         cancelEditing()
     }
 
@@ -139,6 +165,24 @@ final class ProfileViewModel {
         let text = value?.trimmingCharacters(in: .whitespacesAndNewlines) ?? ""
         return text.isEmpty ? nil : text
     }
+
+    /// 上传待保存头像；没有待上传图片时返回 nil。
+    private func uploadPendingAvatarIfNeeded(uploader: any OSSUploadServing, scenicId: Int) async throws -> String? {
+        guard let pendingAvatarData else { return nil }
+        let fileName = pendingAvatarFileName ?? "avatar_\(Int(Date().timeIntervalSince1970)).jpg"
+        return try await uploader.uploadUserAvatar(data: pendingAvatarData, fileName: fileName, scenicId: scenicId) { [weak self] progress in
+            Task { @MainActor in
+                self?.avatarUploadProgress = progress
+            }
+        }
+    }
+
+    /// 清空本地待上传头像数据。
+    private func clearPendingAvatar() {
+        pendingAvatarData = nil
+        pendingAvatarFileName = nil
+        avatarUploadProgress = nil
+    }
 }
 
 /// 个人信息页校验错误实体，表示昵称和密码输入不符合要求。