汉秋
abcac9bfdf
将打卡点管理与位置上报从占位页迁移为完整 MVVM 流程，包含前台定位支持与单元测试。 Co-authored-by: Cursor <cursoragent@cursor.com>
281 lines
9.2 KiB
Swift
281 lines
9.2 KiB
Swift
//
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// PunchPointViewModels.swift
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// suixinkan
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//
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// Created by Codex on 2026/6/24.
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//
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import Foundation
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import Observation
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/// 打卡点列表 ViewModel，负责筛选、分页、详情加载和删除刷新。
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@MainActor
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@Observable
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final class PunchPointListViewModel {
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var selectedFilter: PunchPointFilter = .all
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var items: [PunchPointItem] = []
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var selectedDetail: PunchPointItem?
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var errorMessage: String?
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var isLoading = false
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var isLoadingMore = false
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var total = 0
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private var page = 1
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private let pageSize = 20
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/// 是否还存在下一页数据。
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var hasMore: Bool {
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items.count < total
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}
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/// 重新加载当前筛选下的打卡点列表。
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func reload(scenicId: Int?, api: any PunchPointServing) async {
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guard let scenicId else {
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reset()
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return
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}
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page = 1
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isLoading = true
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errorMessage = nil
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defer { isLoading = false }
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do {
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let payload = try await api.punchPointList(
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scenicId: scenicId,
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status: selectedFilter.rawValue,
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page: page,
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pageSize: pageSize
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)
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items = payload.list
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total = payload.total
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} catch {
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items = []
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total = 0
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errorMessage = error.localizedDescription
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}
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}
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/// 加载下一页打卡点列表。
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func loadMore(scenicId: Int?, api: any PunchPointServing) async {
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guard let scenicId, hasMore, !isLoadingMore, !isLoading else { return }
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isLoadingMore = true
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let nextPage = page + 1
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defer { isLoadingMore = false }
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do {
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let payload = try await api.punchPointList(
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scenicId: scenicId,
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status: selectedFilter.rawValue,
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page: nextPage,
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pageSize: pageSize
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)
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page = nextPage
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items.append(contentsOf: payload.list)
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total = payload.total
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} catch {
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errorMessage = error.localizedDescription
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}
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}
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/// 切换筛选并重载列表。
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func selectFilter(_ filter: PunchPointFilter, scenicId: Int?, api: any PunchPointServing) async {
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guard selectedFilter != filter else { return }
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selectedFilter = filter
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await reload(scenicId: scenicId, api: api)
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}
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/// 加载单个打卡点详情。
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func loadDetail(id: Int, api: any PunchPointServing) async {
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errorMessage = nil
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do {
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selectedDetail = try await api.punchPointInfo(id: id)
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} catch {
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selectedDetail = items.first { $0.id == id }
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errorMessage = error.localizedDescription
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}
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}
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/// 删除打卡点并刷新当前列表。
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func delete(_ item: PunchPointItem, scenicId: Int?, api: any PunchPointServing) async -> Bool {
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do {
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try await api.deletePunchPoint(id: item.id)
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await reload(scenicId: scenicId, api: api)
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return true
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} catch {
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errorMessage = error.localizedDescription
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return false
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}
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}
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/// 清空列表状态，通常用于缺少当前景区时。
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func reset() {
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items = []
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selectedDetail = nil
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errorMessage = nil
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total = 0
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page = 1
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isLoading = false
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isLoadingMore = false
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}
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}
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/// 打卡点编辑 ViewModel，负责新增、编辑、表单校验和 OSS 图片上传。
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@MainActor
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@Observable
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final class PunchPointEditorViewModel {
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var name = ""
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var description = ""
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var address = ""
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var latitudeText = ""
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var longitudeText = ""
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var scenicSpotText = ""
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var remoteImages: [String] = []
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var localImages: [PunchPointLocalImage] = []
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var errorMessage: String?
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var isSubmitting = false
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let editingItem: PunchPointItem?
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/// 初始化编辑 ViewModel，可传入已有打卡点作为编辑表单初值。
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init(item: PunchPointItem? = nil) {
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editingItem = item
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if let item {
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name = item.name
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description = item.description
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address = item.region?.address ?? ""
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latitudeText = item.region.map { String($0.lat) } ?? ""
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longitudeText = item.region.map { String($0.lot) } ?? ""
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scenicSpotText = item.scenicSpotStr
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remoteImages = item.guideImages
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}
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}
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/// 设置经纬度和地址，通常由定位或地图选点回填。
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func applyLocation(latitude: Double, longitude: Double, address: String) {
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latitudeText = String(format: "%.6f", latitude)
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longitudeText = String(format: "%.6f", longitude)
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self.address = address
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if scenicSpotText.trimmingCharacters(in: .whitespacesAndNewlines).isEmpty {
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scenicSpotText = address
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}
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}
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/// 添加本地待上传图片。
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func addLocalImages(_ images: [PunchPointLocalImage]) {
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localImages.append(contentsOf: images)
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}
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/// 删除远程图片。
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func removeRemoteImage(_ url: String) {
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remoteImages.removeAll { $0 == url }
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}
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/// 删除本地待上传图片。
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func removeLocalImage(id: UUID) {
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localImages.removeAll { $0.id == id }
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}
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/// 提交新增或编辑表单，图片会先上传 OSS，再提交业务接口。
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func submit(
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scenicId: Int?,
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api: any PunchPointServing,
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uploadService: any OSSUploadServing
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) async -> Bool {
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guard !isSubmitting else { return false }
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guard let scenicId else {
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errorMessage = "缺少当前景区"
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return false
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}
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guard let region = makeRegion() else { return false }
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let trimmedName = name.trimmingCharacters(in: .whitespacesAndNewlines)
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guard !trimmedName.isEmpty else {
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errorMessage = "请输入打卡点名称"
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return false
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}
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guard !region.address.trimmingCharacters(in: .whitespacesAndNewlines).isEmpty else {
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errorMessage = "请选择或填写打卡点地址"
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return false
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}
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guard !remoteImages.isEmpty || !localImages.isEmpty else {
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errorMessage = "请至少上传一张打卡点图片"
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return false
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}
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isSubmitting = true
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errorMessage = nil
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defer { isSubmitting = false }
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do {
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let uploadedImages = try await uploadImages(scenicId: scenicId, uploadService: uploadService)
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let allImages = remoteImages + uploadedImages
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if let editingItem {
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try await api.editPunchPoint(
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EditPunchPointRequest(
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id: editingItem.id,
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scenicAreaId: "\(scenicId)",
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name: trimmedName,
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description: description.trimmingCharacters(in: .whitespacesAndNewlines),
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region: region,
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scenicSpotStr: scenicSpotText.trimmingCharacters(in: .whitespacesAndNewlines),
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guideImages: allImages
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)
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)
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} else {
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try await api.addPunchPoint(
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AddPunchPointRequest(
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scenicAreaId: "\(scenicId)",
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name: trimmedName,
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description: description.trimmingCharacters(in: .whitespacesAndNewlines),
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region: region,
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scenicSpotStr: scenicSpotText.trimmingCharacters(in: .whitespacesAndNewlines),
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guideImages: allImages
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)
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)
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}
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remoteImages = allImages
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localImages = []
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return true
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} catch {
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errorMessage = error.localizedDescription
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return false
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}
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}
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/// 构建提交区域，校验经纬度是否可用。
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private func makeRegion() -> PunchPointRegion? {
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let trimmedAddress = address.trimmingCharacters(in: .whitespacesAndNewlines)
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guard let lat = Double(latitudeText.trimmingCharacters(in: .whitespacesAndNewlines)),
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let lot = Double(longitudeText.trimmingCharacters(in: .whitespacesAndNewlines)) else {
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errorMessage = "请选择打卡点坐标"
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return nil
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}
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return PunchPointRegion(
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lat: lat,
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lot: lot,
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address: trimmedAddress,
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scenicSpotStr: scenicSpotText.trimmingCharacters(in: .whitespacesAndNewlines)
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)
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}
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/// 上传本地图片，并返回 OSS URL 列表。
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private func uploadImages(scenicId: Int, uploadService: any OSSUploadServing) async throws -> [String] {
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var uploaded: [String] = []
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for index in localImages.indices {
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let local = localImages[index]
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let url = try await uploadService.uploadPunchPointImage(
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data: local.data,
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fileName: local.fileName,
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scenicId: scenicId
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) { [weak self] progress in
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Task { @MainActor in
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self?.localImages[index].progress = progress
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}
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}
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localImages[index].remoteURL = url
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uploaded.append(url)
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}
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return uploaded
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}
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}
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