添加即时收款流程并对齐 Android

suixinkan/Features/Payment/ViewModels/PaymentCollectionDetailsViewModel.swift

@@ -0,0 +1,175 @@
+//
+//  PaymentCollectionDetailsViewModel.swift
+//  suixinkan
+//
+
+import Foundation
+import UIKit
+
+/// 收款详情 ViewModel，管理收款码拉取、设金额、保存二维码与语音开关。
+final class PaymentCollectionDetailsViewModel {
+
+    private(set) var loading = false
+    private(set) var qrImage: UIImage?
+    private(set) var scenicName = ""
+    private(set) var staffId = ""
+    private(set) var isVoiceBroadcastOpen = false
+    private(set) var showAmountDialog = false
+    private(set) var amount = ""
+    private(set) var remark = ""
+
+    let merchantInfo = PaymentMerchantInfo.defaultInfo
+
+    var onStateChange: (() -> Void)?
+    var onShowMessage: ((String) -> Void)?
+
+    private var staticPayURL = ""
+    private var dynamicPayURL = ""
+    private let appStore: AppStore
+
+    init(appStore: AppStore = .shared) {
+        self.appStore = appStore
+    }
+
+    var hasPayCode: Bool {
+        qrImage != nil && !staticPayURL.isEmpty
+    }
+
+    var displayScenicName: String {
+        scenicName.isEmpty ? "暂无景区" : scenicName
+    }
+
+    func refreshLocalState() {
+        scenicName = appStore.currentScenicName
+        staffId = appStore.userId
+        isVoiceBroadcastOpen = appStore.isOpenReceiveVoice
+        notifyStateChange()
+    }
+
+    func loadPayCode(api: PaymentAPI) async {
+        guard !loading else { return }
+        refreshLocalState()
+        loading = true
+        notifyStateChange()
+        defer {
+            loading = false
+            notifyStateChange()
+        }
+
+        let scenicId = appStore.currentScenicId
+        guard scenicId > 0 else {
+            clearPayCode()
+            return
+        }
+
+        do {
+            let response = try await api.payCode(scenicId: scenicId)
+            staticPayURL = response.staticPayURL
+            dynamicPayURL = response.dynamicPayURL
+            qrImage = QRCodeGenerator.generateStyledQRCode(content: staticPayURL)
+        } catch {
+            clearPayCode()
+        }
+    }
+
+    func refresh(api: PaymentAPI) async {
+        await loadPayCode(api: api)
+    }
+
+    func showSetAmountDialog() {
+        guard !staticPayURL.isEmpty else {
+            onShowMessage?("请先获取收款码")
+            return
+        }
+        amount = ""
+        remark = ""
+        showAmountDialog = true
+        notifyStateChange()
+    }
+
+    func hideAmountDialog() {
+        showAmountDialog = false
+        amount = ""
+        remark = ""
+        notifyStateChange()
+    }
+
+    func updateAmount(_ value: String) {
+        guard value.isEmpty || value.matches(PaymentAmountValidator.inputPattern) else { return }
+        amount = value
+        notifyStateChange()
+    }
+
+    func updateRemark(_ value: String) {
+        guard value.count <= 200 else { return }
+        remark = value
+        notifyStateChange()
+    }
+
+    func confirmAmount() {
+        if let message = PaymentAmountValidator.validationMessage(for: amount) {
+            onShowMessage?(message)
+            return
+        }
+        guard !dynamicPayURL.isEmpty else {
+            onShowMessage?("请先获取收款码")
+            return
+        }
+
+        let dynamicURL = dynamicPayURL + "&amount=\(amount)&remark=\(remark)"
+        qrImage = QRCodeGenerator.generateStyledQRCode(content: dynamicURL)
+        showAmountDialog = false
+        onShowMessage?("金额设置成功，二维码已更新")
+        notifyStateChange()
+    }
+
+    func saveQRCode() async {
+        guard qrImage != nil else {
+            onShowMessage?("请先获取收款码")
+            return
+        }
+        let success = await PhotoLibrarySaver.saveImage(qrImage!)
+        onShowMessage?(success ? "保存成功" : "保存失败")
+    }
+
+    func toggleReceiveVoice() {
+        isVoiceBroadcastOpen.toggle()
+        appStore.isOpenReceiveVoice = isVoiceBroadcastOpen
+        notifyStateChange()
+    }
+
+    private func clearPayCode() {
+        staticPayURL = ""
+        dynamicPayURL = ""
+        qrImage = nil
+    }
+
+    private func notifyStateChange() {
+        onStateChange?()
+    }
+}
+
+/// 收款金额校验，对齐 Android `PaymentCollectionDetailsViewModel.confirmAmount`。
+enum PaymentAmountValidator {
+    static let inputPattern = #"^\d*(\.\d{0,2})?$"#
+    private static let confirmPattern = #"^\d+(\.\d{1,2})?$"#
+
+    static func validationMessage(for amount: String) -> String? {
+        if amount.trimmingCharacters(in: .whitespacesAndNewlines).isEmpty {
+            return "请输入收款金额"
+        }
+        guard let value = Double(amount), value > 0 else {
+            return "请输入有效的收款金额"
+        }
+        if !amount.matches(confirmPattern) {
+            return "金额最多支持两位小数"
+        }
+        return nil
+    }
+}
+
+private extension String {
+    func matches(_ pattern: String) -> Bool {
+        range(of: pattern, options: .regularExpression) != nil
+    }
+}

suixinkan/Features/Payment/ViewModels/PaymentCollectionRecordViewModel.swift

@@ -0,0 +1,61 @@
+//
+//  PaymentCollectionRecordViewModel.swift
+//  suixinkan
+//
+
+import Foundation
+
+/// 收款记录 ViewModel，拉取近 7 天记录并按日分组展示。
+final class PaymentCollectionRecordViewModel {
+
+    private(set) var loading = false
+    private(set) var groups: [RepaymentCollectionRecordGroup] = []
+
+    var onStateChange: (() -> Void)?
+
+    private let appStore: AppStore
+
+    init(appStore: AppStore = .shared) {
+        self.appStore = appStore
+    }
+
+    func loadRecord(api: PaymentAPI) async {
+        guard !loading else { return }
+        loading = true
+        notifyStateChange()
+        defer {
+            loading = false
+            notifyStateChange()
+        }
+
+        let scenicId = appStore.currentScenicId
+        guard scenicId > 0 else {
+            groups = []
+            return
+        }
+
+        do {
+            let response = try await api.collectionRecord(scenicId: scenicId)
+            groups = PaymentRecordGrouper.group(response: response)
+        } catch {
+            groups = []
+        }
+    }
+
+    private func notifyStateChange() {
+        onStateChange?()
+    }
+}
+
+/// 收款记录分组逻辑，对齐 Android `PaymentCollectionRecordViewModel.getRecord`。
+enum PaymentRecordGrouper {
+    static func group(response: RepaymentCollectionRecordResponse) -> [RepaymentCollectionRecordGroup] {
+        let mapByDate = Dictionary(grouping: response.list, by: \.createDate)
+        return response.analyse.map { analyseItem in
+            RepaymentCollectionRecordGroup(
+                analyse: analyseItem,
+                items: mapByDate[analyseItem.date] ?? []
+            )
+        }
+    }
+}