汉秋
8e34a45d50
同时收紧各 ViewModel 内部 isLoading 可见性，避免不必要的视图刷新。 Co-authored-by: Cursor <cursoragent@cursor.com>
251 lines
8.9 KiB
Swift
251 lines
8.9 KiB
Swift
//
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// TaskCreateViewModel.swift
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// suixinkan
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//
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// Created by Codex on 2026/6/23.
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//
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import Foundation
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import Combine
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/// 任务云盘选择项实体，表示发布任务表单中的云盘附件。
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struct TaskCloudSelectionItem: Identifiable, Hashable {
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let id: Int
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let fileName: String
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let fileType: Int
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var remark: String
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}
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/// 任务本地上传项实体，表示发布任务表单中的本地图片或视频。
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struct TaskLocalUploadItem: Identifiable, Hashable {
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let id: UUID
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let data: Data
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let fileName: String
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let fileType: Int
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var remark: String
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var uploadedURL: String?
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var progress: Int
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var errorMessage: String?
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/// 判断当前文件是否正在上传。
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var isUploading: Bool {
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progress > 0 && progress < 100 && uploadedURL == nil && errorMessage == nil
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}
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/// 返回上传状态展示文案。
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var statusText: String {
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if let errorMessage { return errorMessage }
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if uploadedURL != nil { return "已上传" }
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if progress > 0 { return "上传中 \(progress)%" }
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return "待上传"
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}
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}
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/// 发布任务 ViewModel，负责表单、附件上传和提交任务。
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@MainActor
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final class TaskCreateViewModel: ObservableObject {
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@Published var taskName = ""
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@Published var remark = ""
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@Published var urgentHourText = "0"
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@Published var selectedOrder: AvailableOrderResponse?
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@Published var availableOrders: [AvailableOrderResponse] = []
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@Published var selectedCloudFiles: [TaskCloudSelectionItem] = []
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@Published var selectedLocalFiles: [TaskLocalUploadItem] = []
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private(set) var isLoadingOrders = false
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@Published var isSubmitting = false
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@Published var errorMessage: String?
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@Published var didSubmitSuccessfully = false
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/// 判断当前表单是否满足提交按钮启用条件。
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var canSubmit: Bool {
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validateForm(scenicId: 1, shouldSetError: false)
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&& !isSubmitting
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&& !selectedLocalFiles.contains(where: \.isUploading)
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}
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/// 加载可关联订单列表。
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func loadAvailableOrders(api: any TaskServing, scenicId: Int?) async {
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guard let scenicId else {
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availableOrders = []
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return
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}
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isLoadingOrders = true
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defer { isLoadingOrders = false }
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do {
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availableOrders = try await api.availableOrderList(scenicId: scenicId)
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} catch {
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availableOrders = []
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errorMessage = error.localizedDescription
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}
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}
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/// 选择或清除关联订单。
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func selectOrder(_ order: AvailableOrderResponse?) {
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selectedOrder = order
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}
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/// 添加云盘附件，按文件 ID 去重。
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func mergeCloudFiles(_ files: [TaskCloudSelectionItem]) {
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var next = selectedCloudFiles
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for file in files where !next.contains(where: { $0.id == file.id }) {
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next.append(file)
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}
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selectedCloudFiles = next
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}
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/// 移除指定云盘附件。
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func removeCloudFile(id: Int) {
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selectedCloudFiles.removeAll { $0.id == id }
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}
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/// 添加本地附件数据。
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func addLocalFile(data: Data, fileName: String) {
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let fileType = Self.fileType(for: fileName)
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selectedLocalFiles.append(
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TaskLocalUploadItem(
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id: UUID(),
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data: data,
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fileName: fileName,
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fileType: fileType,
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remark: "",
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uploadedURL: nil,
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progress: 0,
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errorMessage: nil
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)
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)
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}
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/// 移除指定本地附件。
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func removeLocalFile(id: UUID) {
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selectedLocalFiles.removeAll { $0.id == id }
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}
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/// 提交任务；本地附件会先上传 OSS，成功后再提交最终 URL。
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@discardableResult
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func submit(api: any TaskServing, uploadService: any OSSUploadServing, scenicId: Int?) async throws -> Bool {
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guard !isSubmitting else { return false }
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guard validateForm(scenicId: scenicId, shouldSetError: true) else { return false }
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guard let scenicId, let urgentHour = Int(urgentHourText.trimmingCharacters(in: .whitespacesAndNewlines)) else { return false }
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isSubmitting = true
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errorMessage = nil
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didSubmitSuccessfully = false
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defer { isSubmitting = false }
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do {
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let uploadedFiles = try await uploadLocalFiles(uploadService: uploadService, scenicId: scenicId)
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let request = AddTaskRequest(
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scenicId: "\(scenicId)",
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name: taskName.trimmingCharacters(in: .whitespacesAndNewlines),
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orderNumber: selectedOrder?.orderNumber,
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remark: remark.trimmingCharacters(in: .whitespacesAndNewlines),
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urgentHour: urgentHour,
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cloudFile: selectedCloudFiles.map { CloudFileItem(fileId: $0.id, remark: $0.remark) },
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uploadFile: uploadedFiles
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)
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try await api.addTask(request)
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didSubmitSuccessfully = true
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resetForm()
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return true
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} catch {
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errorMessage = error.localizedDescription
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throw error
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}
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}
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/// 清空发布任务表单。
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func resetForm() {
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taskName = ""
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remark = ""
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urgentHourText = "0"
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selectedOrder = nil
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selectedCloudFiles = []
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selectedLocalFiles = []
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}
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/// 校验表单并按需写入错误提示。
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private func validateForm(scenicId: Int?, shouldSetError: Bool) -> Bool {
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func fail(_ message: String) -> Bool {
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if shouldSetError { errorMessage = message }
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return false
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}
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guard scenicId != nil else {
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return fail("请先选择景区")
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}
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guard !taskName.trimmingCharacters(in: .whitespacesAndNewlines).isEmpty else {
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return fail("请输入任务名称")
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}
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guard !remark.trimmingCharacters(in: .whitespacesAndNewlines).isEmpty else {
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return fail("请输入任务备注")
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}
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guard let urgentHour = Int(urgentHourText.trimmingCharacters(in: .whitespacesAndNewlines)), urgentHour >= 0 else {
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return fail("请输入正确的紧急小时")
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}
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guard !selectedLocalFiles.contains(where: \.isUploading) else {
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return fail("文件上传中，请稍后提交")
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}
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return true
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}
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/// 上传所有尚未上传的本地附件并返回提交请求需要的文件列表。
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private func uploadLocalFiles(uploadService: any OSSUploadServing, scenicId: Int) async throws -> [UploadFileItem] {
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var uploadedFiles: [UploadFileItem] = []
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for index in selectedLocalFiles.indices {
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if let uploadedURL = selectedLocalFiles[index].uploadedURL {
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uploadedFiles.append(
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UploadFileItem(
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fileUrl: uploadedURL,
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fileName: selectedLocalFiles[index].fileName,
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remark: selectedLocalFiles[index].remark
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)
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)
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continue
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}
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selectedLocalFiles[index].errorMessage = nil
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let fileID = selectedLocalFiles[index].id
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do {
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let url = try await uploadService.uploadTaskFile(
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data: selectedLocalFiles[index].data,
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fileName: selectedLocalFiles[index].fileName,
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fileType: selectedLocalFiles[index].fileType,
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scenicId: scenicId,
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onProgress: { [weak self] progress in
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Task { @MainActor in
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self?.updateLocalFileProgress(id: fileID, progress: progress)
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}
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}
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)
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selectedLocalFiles[index].uploadedURL = url
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selectedLocalFiles[index].progress = 100
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uploadedFiles.append(
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UploadFileItem(
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fileUrl: url,
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fileName: selectedLocalFiles[index].fileName,
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remark: selectedLocalFiles[index].remark
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)
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)
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} catch {
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selectedLocalFiles[index].progress = 0
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selectedLocalFiles[index].errorMessage = error.localizedDescription
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throw error
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}
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}
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return uploadedFiles
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}
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/// 更新指定本地附件的上传进度。
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private func updateLocalFileProgress(id: UUID, progress: Int) {
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guard let index = selectedLocalFiles.firstIndex(where: { $0.id == id }) else { return }
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selectedLocalFiles[index].progress = progress
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}
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/// 根据文件名推断后端需要的文件类型。
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private static func fileType(for fileName: String) -> Int {
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let ext = URL(fileURLWithPath: fileName).pathExtension.lowercased()
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return ["mp4", "mov", "m4v", "avi"].contains(ext) ? 1 : 2
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}
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}
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