汉秋
26f4d0e671
Lower deployment target to iOS 16, replace @Observable with ObservableObject, add navigation and UI compatibility shims, and include login smoke UI tests. Co-authored-by: Cursor <cursoragent@cursor.com>
100 lines
3.2 KiB
Swift
100 lines
3.2 KiB
Swift
//
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// StatisticsViewModel.swift
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// suixinkan
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//
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// Created by Codex on 2026/6/22.
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//
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import Foundation
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import Combine
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@MainActor
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/// 数据统计页面 ViewModel，管理时间段、汇总数据、每日明细和分页状态。
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final class StatisticsViewModel: ObservableObject {
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@Published var selectedPeriod: StatisticsPeriod = .today
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@Published private(set) var loading = false
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@Published private(set) var loadingMore = false
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@Published private(set) var summary = StatisticsSummaryResponse()
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@Published private(set) var dailyItems: [StatisticsDailyItem] = []
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@Published private(set) var totalDailyCount = 0
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@Published private(set) var lastRefreshAt: Date?
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@Published private var page = 1
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private let pageSize = 15
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/// 当前日数据是否还有下一页。
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var hasMore: Bool {
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dailyItems.count < totalDailyCount
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}
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/// 切换统计时间段，并重置分页重新加载。
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func selectPeriod(_ period: StatisticsPeriod, api: StatisticsServing, scenicId: Int?, roleId: Int?) async throws {
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selectedPeriod = period
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try await reload(api: api, scenicId: scenicId, roleId: roleId)
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}
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/// 刷新统计汇总和第一页日数据，缺少景区时清空旧状态。
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func reload(api: StatisticsServing, scenicId: Int?, roleId: Int?, showLoading: Bool = true) async throws {
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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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if showLoading { loading = true }
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defer { if showLoading { loading = false } }
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let isScenicAdmin = roleId == 53
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async let summaryResult = api.summary(
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scenicId: scenicId,
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range: selectedPeriod.apiRange,
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isScenicAdmin: isScenicAdmin
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)
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async let dailyResult = api.dailyList(
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scenicId: scenicId,
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startTime: selectedPeriod.apiStartTime,
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endTime: selectedPeriod.apiEndTime,
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page: 1,
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pageSize: pageSize,
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isScenicAdmin: isScenicAdmin
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)
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let (summaryData, dailyData) = try await (summaryResult, dailyResult)
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summary = summaryData
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dailyItems = dailyData.data
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totalDailyCount = dailyData.total
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page = 1
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lastRefreshAt = Date()
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}
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/// 加载每日统计下一页。
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func loadMore(api: StatisticsServing, scenicId: Int?, roleId: Int?) async throws {
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guard !loadingMore, hasMore, let scenicId else { return }
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loadingMore = true
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defer { loadingMore = false }
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let nextPage = page + 1
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let result = try await api.dailyList(
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scenicId: scenicId,
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startTime: selectedPeriod.apiStartTime,
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endTime: selectedPeriod.apiEndTime,
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page: nextPage,
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pageSize: pageSize,
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isScenicAdmin: roleId == 53
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)
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dailyItems.append(contentsOf: result.data)
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totalDailyCount = result.total
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page = nextPage
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}
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/// 清空统计状态。
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private func reset() {
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summary = StatisticsSummaryResponse()
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dailyItems = []
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totalDailyCount = 0
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page = 1
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lastRefreshAt = nil
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loading = false
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loadingMore = false
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}
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}
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