实现权限驱动的首页 Tab 并对齐 Android
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418
suixinkan/Features/Home/ViewModels/HomeViewModel.swift
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418
suixinkan/Features/Home/ViewModels/HomeViewModel.swift
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//
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// HomeViewModel.swift
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// suixinkan
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//
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import Foundation
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/// 首页 ViewModel，对齐 Android `HomeViewModel` 的权限、门店与位置逻辑。
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final class HomeViewModel {
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private(set) var currentScenicName = ""
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private(set) var currentAppRole: AppRoleCode?
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private(set) var commonMenus: [HomeMenuItem] = []
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private(set) var storeItem: StoreItem?
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private(set) var showPermissionDialog = false
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private(set) var showScenicDialog = false
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private(set) var showLocationTimeoutDialog = false
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private(set) var showOnlineStatusDialog = false
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private(set) var showLocationReportSuccessDialog = false
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private(set) var isMinimalTopRole = false
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private(set) var locationInfoText = "定位中..."
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private(set) var reportTimeText = ""
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private(set) var isLocationReporting = false
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private(set) var needsPermissionReload = false
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var onStateChange: (() -> Void)?
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var onShowMessage: ((String) -> Void)?
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let locationStateStore: HomeLocationStateStore
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private let appStore: AppStore
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private let commonMenuStore: HomeCommonMenuStore
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private let locationProvider: HomeLocationProvider
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private var lastOnlineStatusSwitchTime: Int64 = 0
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private var lastLocationReportTime: Int64 = 0
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private var timeoutDialogTriggered = false
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private var dismissedLocationTimeoutDialog = false
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private let operationIntervalMillis: Int64 = 30_000
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init(
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appStore: AppStore = .shared,
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locationStateStore: HomeLocationStateStore = HomeLocationStateStore(),
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commonMenuStore: HomeCommonMenuStore = HomeCommonMenuStore(),
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locationProvider: HomeLocationProvider = HomeLocationProvider()
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) {
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self.appStore = appStore
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self.locationStateStore = locationStateStore
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self.commonMenuStore = commonMenuStore
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self.locationProvider = locationProvider
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self.locationStateStore.onStateChange = { [weak self] in
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self?.notifyStateChange()
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}
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}
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var isOnline: Bool { locationStateStore.isOnline }
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var countdownDisplayText: String { locationStateStore.countdownDisplayText }
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var reminderMinutes: Int { locationStateStore.reminderMinutes }
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/// 首次进入首页时加载权限并恢复在线状态。
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func initialize(api: HomeAPI) async {
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locationStateStore.restoreStateIfNeeded()
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refreshLocalDisplayState()
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await loadPermissions(api: api, force: true)
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}
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/// 账号切换后标记需要重新拉取权限。
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func markNeedsPermissionReload() {
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needsPermissionReload = true
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}
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/// 按需重新拉取权限。
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func reloadIfNeeded(api: HomeAPI) async {
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guard needsPermissionReload else {
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refreshLocalDisplayState()
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rebuildCommonMenus()
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await loadStoreListIfNeeded(api: api)
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notifyStateChange()
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return
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}
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needsPermissionReload = false
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await loadPermissions(api: api, force: true)
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}
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/// 拉取 role-permission 并刷新菜单。
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func loadPermissions(api: HomeAPI, force: Bool = false) async {
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if !force, !appStore.permissionItems().isEmpty {
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rebuildCommonMenus()
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await loadStoreListIfNeeded(api: api)
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notifyStateChange()
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return
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}
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do {
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let rolePermissionList = try await api.rolePermissions()
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if rolePermissionList.isEmpty {
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appStore.savePermissionItems([])
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showPermissionDialog = true
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rebuildCommonMenus()
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notifyStateChange()
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return
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}
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appStore.saveRolePermissionList(rolePermissionList)
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let matched = appStore.matchRolePermissionItem(in: rolePermissionList) ?? rolePermissionList[0]
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if !matched.role.name.isEmpty {
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appStore.roleName = matched.role.name
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}
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appStore.saveRoleScenicList(matched.scenic)
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let permissions = matched.role.permission.map(HomePermissionItem.init)
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appStore.savePermissionItems(permissions)
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showPermissionDialog = false
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refreshLocalDisplayState()
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rebuildCommonMenus()
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await loadStoreListIfNeeded(api: api)
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notifyStateChange()
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} catch is CancellationError {
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return
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} catch {
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appStore.savePermissionItems([])
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showPermissionDialog = true
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rebuildCommonMenus()
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onShowMessage?(error.localizedDescription)
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notifyStateChange()
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}
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}
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/// 店铺管理员加载当前景区门店。
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func loadStoreListIfNeeded(api: HomeAPI) async {
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guard currentAppRole == .storeAdmin else {
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storeItem = nil
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notifyStateChange()
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return
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}
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guard appStore.currentScenicId > 0 else {
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storeItem = nil
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notifyStateChange()
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return
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}
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do {
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let response = try await api.storeList()
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let scenicId = appStore.currentScenicId
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let savedStoreId = appStore.currentStoreId
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let savedMatch = savedStoreId > 0 ? response.list.first { $0.id == savedStoreId } : nil
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let matched = savedMatch ?? response.list.first { $0.scenicId == scenicId }
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storeItem = matched
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if let matched {
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appStore.currentStoreId = matched.id
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}
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notifyStateChange()
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} catch is CancellationError {
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return
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} catch {
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storeItem = nil
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notifyStateChange()
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}
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}
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/// 评估弹窗展示优先级：权限 > 景区 > 位置超时。
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func evaluateDialogs(api: HomeAPI) async {
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if showPermissionDialog {
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showScenicDialog = false
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return
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}
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let hasScenic = appStore.currentScenicId > 0
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showScenicDialog = !hasScenic
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if showScenicDialog || dismissedLocationTimeoutDialog {
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showLocationTimeoutDialog = false
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notifyStateChange()
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return
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}
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guard !isMinimalTopRole else {
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showLocationTimeoutDialog = false
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notifyStateChange()
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return
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}
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try? await Task.sleep(nanoseconds: 500_000_000)
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await checkLocationTimeout(api: api)
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}
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/// 检查位置上报是否接近超时。
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func checkLocationTimeout(api: HomeAPI) async {
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guard reminderMinutes > 0 else {
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showLocationTimeoutDialog = false
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notifyStateChange()
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return
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}
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let staffId = appStore.userId.trimmingCharacters(in: .whitespacesAndNewlines)
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guard !staffId.isEmpty else {
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showLocationTimeoutDialog = true
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notifyStateChange()
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return
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}
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do {
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let detail = try await api.locationDetail(staffId: staffId)
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if detail.expireTime <= 0 {
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showLocationTimeoutDialog = true
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notifyStateChange()
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return
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}
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let currentMillis = Int64(Date().timeIntervalSince1970 * 1000)
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let expireMillis = detail.expireTime * 1000
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let threshold = expireMillis - Int64(reminderMinutes * 60 * 1000)
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showLocationTimeoutDialog = currentMillis >= threshold
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notifyStateChange()
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} catch is CancellationError {
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return
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} catch {
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showLocationTimeoutDialog = true
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notifyStateChange()
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}
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}
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/// 刷新景区名与角色展示状态。
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func refreshLocalDisplayState() {
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currentScenicName = appStore.currentScenicName.trimmingCharacters(in: .whitespacesAndNewlines)
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currentAppRole = appStore.currentAppRole
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isMinimalTopRole = currentAppRole?.usesHomeMinimalTopLayout ?? false
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}
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/// 重建常用应用列表。
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func rebuildCommonMenus() {
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let permissions = appStore.permissionItems()
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let allMenus = HomeMenuCatalog.visibleMenus(from: permissions)
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commonMenus = commonMenuStore.commonMenus(
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from: allMenus,
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permissions: permissions,
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accountScope: appStore.accountCachePrefix,
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roleCode: appStore.roleCode
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)
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}
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func hidePermissionDialog() {
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showPermissionDialog = false
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notifyStateChange()
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}
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func hideScenicDialog() {
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showScenicDialog = false
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notifyStateChange()
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}
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func showOnlineStatusSwitchDialog() {
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showOnlineStatusDialog = true
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notifyStateChange()
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}
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func hideOnlineStatusSwitchDialog() {
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showOnlineStatusDialog = false
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notifyStateChange()
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}
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func hideLocationTimeoutDialog() {
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showLocationTimeoutDialog = false
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dismissedLocationTimeoutDialog = true
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timeoutDialogTriggered = false
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locationStateStore.updateOnlineStatus(false)
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notifyStateChange()
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}
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func hideLocationReportSuccessDialog() {
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showLocationReportSuccessDialog = false
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notifyStateChange()
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}
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func updateReminderMinutes(_ minutes: Int) {
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locationStateStore.updateReminderMinutes(minutes)
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notifyStateChange()
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}
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/// 切换在线/离线并触发位置上报。
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func switchOnlineStatus(api: HomeAPI) async {
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let now = currentTimestampMillis()
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if now - lastOnlineStatusSwitchTime < operationIntervalMillis {
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let remaining = Int((operationIntervalMillis - (now - lastOnlineStatusSwitchTime)) / 1000)
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onShowMessage?("操作过于频繁，请\(remaining)秒后再试")
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hideOnlineStatusSwitchDialog()
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return
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}
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guard appStore.currentScenicId > 0 else {
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onShowMessage?("请先选择景区")
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hideOnlineStatusSwitchDialog()
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return
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}
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let goingOnline = !isOnline
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if goingOnline {
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do {
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_ = try await locationProvider.requestSnapshot()
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} catch {
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onShowMessage?(error.localizedDescription)
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hideOnlineStatusSwitchDialog()
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return
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}
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locationStateStore.updateOnlineStatus(true)
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timeoutDialogTriggered = false
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dismissedLocationTimeoutDialog = false
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lastOnlineStatusSwitchTime = now
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onShowMessage?("已切换到在线状态，正在上报位置")
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hideOnlineStatusSwitchDialog()
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await reportLocation(api: api, type: 1)
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} else {
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locationStateStore.updateOnlineStatus(false)
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lastOnlineStatusSwitchTime = now
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onShowMessage?("已切换到离线状态")
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hideOnlineStatusSwitchDialog()
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await reportLocation(api: api, type: 3)
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}
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}
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/// 手动上报位置。
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func manualReportLocation(api: HomeAPI) async {
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let now = currentTimestampMillis()
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if now - lastLocationReportTime < operationIntervalMillis {
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let remaining = Int((operationIntervalMillis - (now - lastLocationReportTime)) / 1000)
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onShowMessage?("操作过于频繁，请\(remaining)秒后再试")
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return
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}
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await reportLocation(api: api, type: 1)
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}
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/// 位置超时弹窗确认上报。
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func confirmLocationTimeoutReport(api: HomeAPI) async {
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showLocationTimeoutDialog = false
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dismissedLocationTimeoutDialog = false
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await reportLocation(api: api, type: 1)
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}
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/// 触发本地倒计时提醒。
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func triggerLocationTimeoutIfNeeded() {
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guard locationStateStore.shouldTriggerTimeoutReminder() else { return }
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guard !timeoutDialogTriggered else { return }
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timeoutDialogTriggered = true
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showLocationTimeoutDialog = true
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notifyStateChange()
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}
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/// 刷新当前位置文案。
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func refreshLocationInfo() async {
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isLocationReporting = true
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notifyStateChange()
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defer {
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isLocationReporting = false
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notifyStateChange()
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}
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do {
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let snapshot = try await locationProvider.requestSnapshot()
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locationInfoText = snapshot.address.isEmpty
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? String(format: "%.5f, %.5f", snapshot.latitude, snapshot.longitude)
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: snapshot.address
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} catch {
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locationInfoText = "定位失败"
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}
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}
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private func reportLocation(api: HomeAPI, type: Int) async {
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guard appStore.currentScenicId > 0 else {
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onShowMessage?("请先选择景区")
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return
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}
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let staffId = appStore.userId.trimmingCharacters(in: .whitespacesAndNewlines)
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guard !staffId.isEmpty else {
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onShowMessage?("获取用户ID失败")
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return
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}
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isLocationReporting = true
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notifyStateChange()
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defer {
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isLocationReporting = false
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notifyStateChange()
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}
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do {
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let snapshot = try await locationProvider.requestSnapshot()
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locationInfoText = snapshot.address.isEmpty
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? String(format: "%.5f, %.5f", snapshot.latitude, snapshot.longitude)
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: snapshot.address
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_ = try await api.reportLocation(
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staffId: staffId,
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latitude: snapshot.latitude,
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longitude: snapshot.longitude,
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address: snapshot.address,
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type: type,
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scenicId: String(appStore.currentScenicId)
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)
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lastLocationReportTime = currentTimestampMillis()
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if type != 3 {
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locationStateStore.startLocationReport()
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reportTimeText = formattedNow()
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showLocationReportSuccessDialog = true
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timeoutDialogTriggered = false
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dismissedLocationTimeoutDialog = false
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}
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notifyStateChange()
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} catch is CancellationError {
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return
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} catch {
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onShowMessage?(error.localizedDescription)
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}
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}
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private func formattedNow() -> String {
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let formatter = DateFormatter()
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formatter.locale = Locale(identifier: "zh_CN")
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formatter.dateFormat = "yyyy-MM-dd HH:mm:ss"
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return formatter.string(from: Date())
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}
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private func currentTimestampMillis() -> Int64 {
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Int64(Date().timeIntervalSince1970 * 1000)
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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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Reference in New Issue
Block a user