599 lines
20 KiB
Swift
599 lines
20 KiB
Swift
//
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// WalletViewModels.swift
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// suixinkan
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//
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import Foundation
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@MainActor
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/// 钱包前置资料服务协议，提供提现前实名和银行卡状态检查。
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protocol WalletProfileServing {
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/// 拉取当前登录用户的实名认证状态。
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func realNameInfo() async throws -> RealNameInfoResponse
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/// 拉取当前登录用户的银行卡信息。
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func bankCardInfo() async throws -> BankCardInfoResponse
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}
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extension ProfileAPI: WalletProfileServing {}
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/// 钱包首页 Tab。
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enum WalletTab: Int, CaseIterable {
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case withdraw
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case transaction
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/// 展示标题。
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var title: String {
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switch self {
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case .withdraw: "提现记录"
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case .transaction: "收益明细"
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}
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}
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}
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/// 钱包收益明细日期筛选。
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enum WalletFilter: Int, CaseIterable {
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case last7Days
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case last30Days
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case last180Days
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/// 展示标题。
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var title: String {
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switch self {
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case .last7Days: "最近7天"
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case .last30Days: "最近30天"
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case .last180Days: "最近180天"
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}
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}
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/// 向前取数天数。
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var dayOffset: Int {
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switch self {
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case .last7Days: 7
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case .last30Days: 30
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case .last180Days: 180
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}
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}
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}
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/// 钱包提现按钮检查后的导航目标。
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enum WalletWithdrawDestination: Equatable {
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case realNameAuth
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case realNameAudit(RealNameInfo)
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case realNamePending
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case withdrawalSettings
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case withdrawalAudit(BankCardInfo)
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case bankCardPending
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case withdraw
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}
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/// 钱包首页 ViewModel，管理汇总、提现记录、收益明细、积分概览和提现前置分流。
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final class WalletViewModel {
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private(set) var summary: WalletSummaryResponse?
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private(set) var selectedTab: WalletTab = .withdraw
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private(set) var filter: WalletFilter = .last7Days
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private(set) var withdrawRecords: [WalletWithdrawItem] = []
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private(set) var transactionGroups: [EarningDetailGroup] = []
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private(set) var totalIncomeLabel = "¥ 0.00"
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private(set) var totalPointsLabel = 0
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private(set) var availablePoints = 0
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private(set) var summaryLoading = false
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private(set) var withdrawLoading = false
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private(set) var withdrawRefreshing = false
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private(set) var transactionLoading = false
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private(set) var transactionRefreshing = false
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private(set) var pointsLoading = false
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private(set) var errorMessage: String?
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var onStateChange: (() -> Void)?
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private let staffIdProvider: () -> Int?
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private let calendar: Calendar
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private var withdrawPage = 1
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private var withdrawCanLoadMore = true
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private var transactionPage = 1
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private var transactionCanLoadMore = true
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private let pageSize = 10
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/// 初始化钱包首页 ViewModel。
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init(
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staffIdProvider: @escaping () -> Int? = {
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Int(AppStore.shared.userId.trimmingCharacters(in: .whitespacesAndNewlines))
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},
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calendar: Calendar = Calendar(identifier: .gregorian)
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) {
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self.staffIdProvider = staffIdProvider
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self.calendar = calendar
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}
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/// 首次加载钱包首页全部首屏数据。
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func loadInitial(api: any WalletPageServing) async {
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await refreshSummary(api: api)
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await refreshWithdraw(api: api)
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await refreshTransaction(api: api)
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await refreshPoints(api: api)
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}
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/// 刷新钱包金额汇总。
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func refreshSummary(api: any WalletPageServing) async {
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summaryLoading = true
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errorMessage = nil
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notifyStateChange()
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do {
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summary = try await api.walletSummary(type: 0)
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} catch {
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errorMessage = error.localizedDescription
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}
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summaryLoading = false
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notifyStateChange()
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}
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/// 刷新当前可用积分。
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func refreshPoints(api: any WalletPageServing) async {
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guard let staffId = staffIdProvider(), staffId > 0 else { return }
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pointsLoading = true
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notifyStateChange()
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do {
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let overview = try await api.pointOverview(staffId: staffId)
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availablePoints = overview.availablePoints
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} catch {
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errorMessage = error.localizedDescription
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}
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pointsLoading = false
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notifyStateChange()
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}
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/// 切换钱包 Tab。
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func selectTab(_ tab: WalletTab, api: any WalletPageServing) async {
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guard tab != selectedTab else { return }
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selectedTab = tab
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notifyStateChange()
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switch tab {
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case .withdraw:
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if withdrawRecords.isEmpty { await refreshWithdraw(api: api) }
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case .transaction:
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if transactionGroups.isEmpty { await refreshTransaction(api: api) }
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}
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}
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/// 切换收益明细筛选。
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func selectFilter(_ nextFilter: WalletFilter, api: any WalletPageServing) async {
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guard nextFilter != filter else { return }
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filter = nextFilter
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notifyStateChange()
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await refreshTransaction(api: api)
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}
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/// 刷新提现记录。
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func refreshWithdraw(api: any WalletPageServing) async {
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await loadWithdraw(api: api, refresh: true)
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}
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/// 滚动到底部时加载更多提现记录。
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func loadMoreWithdrawIfNeeded(currentIndex: Int, api: any WalletPageServing) async {
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guard currentIndex >= withdrawRecords.count - 2, withdrawCanLoadMore, !withdrawLoading else { return }
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await loadWithdraw(api: api, refresh: false)
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}
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/// 刷新收益明细。
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func refreshTransaction(api: any WalletPageServing) async {
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await loadTransaction(api: api, refresh: true)
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}
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/// 滚动到底部时加载更多收益明细。
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func loadMoreTransactionIfNeeded(currentIndex: Int, api: any WalletPageServing) async {
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let count = transactionEntries.count
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guard currentIndex >= count - 2, transactionCanLoadMore, !transactionLoading else { return }
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await loadTransaction(api: api, refresh: false)
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}
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/// 收益明细列表条目，将分组头和明细扁平化。
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var transactionEntries: [WalletTransactionEntry] {
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transactionGroups.flatMap { group -> [WalletTransactionEntry] in
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[.header(group)] + group.items.map(WalletTransactionEntry.item)
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}
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}
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/// 检查提现前置状态并返回页面导航目标。
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func resolveWithdrawDestination(profileAPI: any WalletProfileServing) async throws -> WalletWithdrawDestination {
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let realName = try await profileAPI.realNameInfo().realNameInfo
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guard let realName else { return .realNameAuth }
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switch realName.auditStatus {
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case 2:
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break
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case 3:
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return .realNameAudit(realName)
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default:
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return .realNamePending
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}
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let bankCard = try await profileAPI.bankCardInfo().bankCard
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guard let bankCard else { return .withdrawalSettings }
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switch bankCard.auditStatus {
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case 2:
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return .withdraw
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case 3:
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return .withdrawalAudit(bankCard)
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default:
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return .bankCardPending
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}
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}
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private func loadWithdraw(api: any WalletPageServing, refresh: Bool) async {
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if withdrawLoading && !refresh { return }
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let targetPage = refresh ? 1 : withdrawPage
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withdrawLoading = true
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withdrawRefreshing = refresh
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if refresh {
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withdrawCanLoadMore = true
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withdrawPage = 1
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}
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notifyStateChange()
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do {
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let response = try await api.walletWithdrawList(page: targetPage, pageSize: pageSize)
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withdrawRecords = refresh ? response.item : withdrawRecords + response.item
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withdrawCanLoadMore = withdrawRecords.count < response.total
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withdrawPage = response.item.isEmpty ? targetPage : targetPage + 1
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} catch {
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if refresh {
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withdrawRecords = []
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withdrawCanLoadMore = false
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}
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errorMessage = error.localizedDescription
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}
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withdrawLoading = false
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withdrawRefreshing = false
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notifyStateChange()
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}
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private func loadTransaction(api: any WalletPageServing, refresh: Bool) async {
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if transactionLoading && !refresh { return }
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let targetPage = refresh ? 1 : transactionPage
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let range = dateRange(for: filter)
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transactionLoading = true
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transactionRefreshing = refresh
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if refresh {
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transactionCanLoadMore = true
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transactionPage = 1
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}
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notifyStateChange()
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do {
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let response = try await api.earningDetail(
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startDate: range.start,
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endDate: range.end,
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page: targetPage,
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pageSize: pageSize
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)
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transactionGroups = refresh ? response.list : transactionGroups + response.list
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totalIncomeLabel = Self.formatAmount(response.totalAmount)
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totalPointsLabel = response.totalPoints
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let itemCount = transactionGroups.reduce(0) { $0 + $1.items.count }
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transactionCanLoadMore = itemCount < response.total
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transactionPage = response.list.isEmpty ? targetPage : targetPage + 1
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} catch {
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if refresh {
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transactionGroups = []
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transactionCanLoadMore = false
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}
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errorMessage = error.localizedDescription
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}
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transactionLoading = false
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transactionRefreshing = false
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notifyStateChange()
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}
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private func dateRange(for filter: WalletFilter, now: Date = Date()) -> (start: String, end: String) {
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let end = calendar.startOfDay(for: now)
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let start = calendar.date(byAdding: .day, value: -filter.dayOffset, to: end) ?? end
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return (Self.dayFormatter.string(from: start), Self.dayFormatter.string(from: end))
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}
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private func notifyStateChange() {
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onStateChange?()
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}
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/// 格式化人民币金额。
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static func formatAmount(_ value: String?) -> String {
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guard let value = value?.trimmingCharacters(in: .whitespacesAndNewlines), !value.isEmpty else {
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return "¥ 0.00"
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}
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guard let decimal = Decimal(string: value) else { return "¥ \(value)" }
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let number = NSDecimalNumber(decimal: decimal)
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let formatter = NumberFormatter()
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formatter.minimumFractionDigits = 2
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formatter.maximumFractionDigits = 2
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formatter.roundingMode = .halfUp
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return "¥ \(formatter.string(from: number) ?? value)"
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}
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private static let dayFormatter: DateFormatter = {
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let formatter = DateFormatter()
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formatter.calendar = Calendar(identifier: .gregorian)
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formatter.locale = Locale(identifier: "en_US_POSIX")
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formatter.dateFormat = "yyyy-MM-dd"
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return formatter
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}()
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}
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/// 钱包收益明细列表扁平条目。
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enum WalletTransactionEntry: Hashable {
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case header(EarningDetailGroup)
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case item(EarningDetailItem)
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}
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/// 提现申请 ViewModel，管理金额、短信验证码、倒计时和提交状态。
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final class WithdrawViewModel {
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private(set) var withdrawInfo: WithdrawInfoResponse?
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private(set) var amount = ""
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private(set) var verificationCode = ""
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private(set) var countdown = 0
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private(set) var loading = false
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private(set) var submitting = false
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private(set) var statusMessage: String?
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private(set) var errorMessage: String?
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var onStateChange: (() -> Void)?
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/// 加载提现申请页信息。
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func load(api: any WalletPageServing) async {
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loading = true
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errorMessage = nil
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notifyStateChange()
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do {
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withdrawInfo = try await api.withdrawInfo()
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} catch {
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errorMessage = "获取提现信息失败：\(error.localizedDescription)"
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}
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loading = false
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notifyStateChange()
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}
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/// 更新提现金额。
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func updateAmount(_ value: String) {
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amount = Self.normalizedMoneyInput(value, previous: amount)
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notifyStateChange()
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}
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/// 填入全部可提现金额。
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func withdrawAll() {
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amount = withdrawInfo?.amountWithdrawable ?? ""
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notifyStateChange()
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}
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/// 更新短信验证码。
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func updateVerificationCode(_ value: String) {
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verificationCode = value.filter(\.isNumber)
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notifyStateChange()
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}
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/// 发送提现短信验证码。
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func requestVerificationCode(api: any WalletPageServing) async {
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guard countdown == 0 else { return }
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do {
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try await api.withdrawSendSMS()
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statusMessage = "验证码发送成功"
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countdown = 60
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} catch {
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errorMessage = "验证码发送失败：\(error.localizedDescription)"
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}
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notifyStateChange()
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}
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/// 倒计时减少一秒，由页面定时器驱动。
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func decrementCountdown() {
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guard countdown > 0 else { return }
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countdown -= 1
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notifyStateChange()
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}
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/// 提交提现申请。
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func submit(api: any WalletPageServing) async -> Bool {
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if let validationMessage {
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errorMessage = validationMessage
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notifyStateChange()
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return false
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}
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submitting = true
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notifyStateChange()
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do {
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try await api.withdrawApply(amount: amount, smsCode: verificationCode)
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statusMessage = "已提交申请"
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submitting = false
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notifyStateChange()
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return true
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} catch {
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errorMessage = error.localizedDescription
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submitting = false
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notifyStateChange()
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return false
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}
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}
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/// 表单是否可提交。
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var canSubmit: Bool {
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validationMessage == nil && !submitting
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}
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/// 表单校验提示。
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var validationMessage: String? {
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guard let withdrawInfo else { return "提现信息加载中" }
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guard !amount.trimmingCharacters(in: .whitespacesAndNewlines).isEmpty else { return "请输入提现金额" }
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guard let amountDecimal = Decimal(string: amount), amountDecimal > 0 else { return "请输入有效的金额" }
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let withdrawable = Decimal(string: withdrawInfo.amountWithdrawable) ?? 0
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if amountDecimal > withdrawable { return "金额不能大于可提现金额" }
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guard !verificationCode.trimmingCharacters(in: .whitespacesAndNewlines).isEmpty else { return "请输入验证码" }
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return nil
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}
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/// 规范化金额输入，最多保留两位小数。
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static func normalizedMoneyInput(_ value: String, previous: String) -> String {
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var result = ""
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var hasDot = false
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var decimalCount = 0
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for character in value {
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if character.isNumber {
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if hasDot {
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guard decimalCount < 2 else { continue }
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decimalCount += 1
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}
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result.append(character)
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} else if character == ".", !hasDot {
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hasDot = true
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if result.isEmpty { result = "0" }
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result.append(character)
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}
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}
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while result.count > 1, result.first == "0", result.dropFirst().first?.isNumber == true {
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result.removeFirst()
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}
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return result
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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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/// 积分兑现 ViewModel，管理积分概览、积分提现吗申请和记录分页。
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final class PointsRedemptionViewModel {
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private(set) var overview: PointOverviewResponse?
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private(set) var withdrawnPoints = 0
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private(set) var pointsInput = ""
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private(set) var withdrawRecords: [PointWithdrawItem] = []
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private(set) var overviewLoading = false
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private(set) var withdrawLoading = false
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private(set) var withdrawRefreshing = false
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private(set) var statusMessage: String?
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private(set) var errorMessage: String?
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var onStateChange: (() -> Void)?
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private let staffIdProvider: () -> Int?
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private var withdrawPage = 1
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private var withdrawCanLoadMore = true
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private let pageSize = 10
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/// 初始化积分兑现 ViewModel。
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init(staffIdProvider: @escaping () -> Int? = {
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Int(AppStore.shared.userId.trimmingCharacters(in: .whitespacesAndNewlines))
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}) {
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self.staffIdProvider = staffIdProvider
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}
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/// 首次加载积分兑现页数据。
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func loadInitial(api: any WalletPageServing) async {
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await refreshOverview(api: api)
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await refreshWithdrawList(api: api)
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}
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/// 刷新积分概览。
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func refreshOverview(api: any WalletPageServing) async {
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guard let staffId = staffIdProvider(), staffId > 0 else { return }
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overviewLoading = true
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notifyStateChange()
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do {
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let response = try await api.pointOverview(staffId: staffId)
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overview = response
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withdrawnPoints = response.withdrawnPoints
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} catch {
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errorMessage = error.localizedDescription
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}
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overviewLoading = false
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notifyStateChange()
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}
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/// 刷新积分提现记录。
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func refreshWithdrawList(api: any WalletPageServing) async {
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await loadWithdrawList(api: api, refresh: true)
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}
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/// 滚动到底部时加载更多积分提现记录。
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func loadMoreWithdrawListIfNeeded(currentIndex: Int, api: any WalletPageServing) async {
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guard currentIndex >= withdrawRecords.count - 2, withdrawCanLoadMore, !withdrawLoading else { return }
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await loadWithdrawList(api: api, refresh: false)
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}
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/// 更新积分输入。
|
||
func updatePointsInput(_ value: String) {
|
||
let digits = value.filter(\.isNumber)
|
||
guard !digits.isEmpty else {
|
||
pointsInput = ""
|
||
notifyStateChange()
|
||
return
|
||
}
|
||
let points = min(Int(digits) ?? 0, withdrawnPoints)
|
||
pointsInput = points > 0 ? String(points) : ""
|
||
notifyStateChange()
|
||
}
|
||
|
||
/// 填入全部可提现吗积分。
|
||
func withdrawAll() {
|
||
pointsInput = String(withdrawnPoints)
|
||
notifyStateChange()
|
||
}
|
||
|
||
/// 提交积分提现申请。
|
||
func applyWithdraw(api: any WalletPageServing) async {
|
||
let points = Int(pointsInput) ?? 0
|
||
guard points > 0 else {
|
||
errorMessage = "请输入提现积分"
|
||
notifyStateChange()
|
||
return
|
||
}
|
||
guard points <= withdrawnPoints else {
|
||
errorMessage = "提现积分不能大于可提现积分"
|
||
notifyStateChange()
|
||
return
|
||
}
|
||
do {
|
||
try await api.pointWithdrawApply(points: points, remark: "积分提现申请")
|
||
statusMessage = "提现申请成功"
|
||
pointsInput = ""
|
||
notifyStateChange()
|
||
await refreshOverview(api: api)
|
||
await refreshWithdrawList(api: api)
|
||
} catch {
|
||
errorMessage = error.localizedDescription.isEmpty ? "提现申请失败" : error.localizedDescription
|
||
notifyStateChange()
|
||
}
|
||
}
|
||
|
||
private func loadWithdrawList(api: any WalletPageServing, refresh: Bool) async {
|
||
if withdrawLoading && !refresh { return }
|
||
let targetPage = refresh ? 1 : withdrawPage
|
||
withdrawLoading = true
|
||
withdrawRefreshing = refresh
|
||
if refresh {
|
||
withdrawCanLoadMore = true
|
||
withdrawPage = 1
|
||
}
|
||
notifyStateChange()
|
||
|
||
do {
|
||
let response = try await api.pointWithdrawList(status: nil, page: targetPage, pageSize: pageSize)
|
||
withdrawRecords = refresh ? response.list : withdrawRecords + response.list
|
||
withdrawCanLoadMore = withdrawRecords.count < response.total
|
||
withdrawPage = response.list.isEmpty ? targetPage : targetPage + 1
|
||
} catch {
|
||
if refresh {
|
||
withdrawRecords = []
|
||
withdrawCanLoadMore = false
|
||
}
|
||
errorMessage = error.localizedDescription
|
||
}
|
||
|
||
withdrawLoading = false
|
||
withdrawRefreshing = false
|
||
notifyStateChange()
|
||
}
|
||
|
||
private func notifyStateChange() {
|
||
onStateChange?()
|
||
}
|
||
}
|