实现订单 Tab 并接入扫码核销流程

suixinkan/Features/Orders/Utils/MainTabScanHandler.swift

@@ -0,0 +1,203 @@
+//
+//  MainTabScanHandler.swift
+//  suixinkan
+//
+
+import CoreLocation
+import UIKit
+
+/// 主 Tab 中间扫码按钮结果处理，对齐 Android `MainTabViewModel.signIn`。
+@MainActor
+final class MainTabScanHandler: NSObject, CLLocationManagerDelegate {
+
+    var onShowMessage: ((String) -> Void)?
+    var onShowSignIn: ((OrderSignInResponse) -> Void)?
+    var onShowWriteOff: ((WriteOffOrderResponse) -> Void)?
+    var onMultiVerifyPending: ((MultiVerifyParseData) -> Void)?
+    var onShowMultiVerifySheet: (([MultiTravelScenicSpotEntity], MultiTravelScenicSpotEntity?) -> Void)?
+
+    private let api: OrderAPI
+    private let locationManager = CLLocationManager()
+    private var locationContinuation: ((Result<CLLocationCoordinate2D, Error>) -> Void)?
+    private(set) var pendingMultiVerify: MultiVerifyParseData?
+
+    init(api: OrderAPI) {
+        self.api = api
+        super.init()
+        locationManager.delegate = self
+        locationManager.desiredAccuracy = kCLLocationAccuracyBest
+    }
+
+    func handleScanResult(_ scanResult: String) async {
+        guard !scanResult.isEmpty else {
+            onShowMessage?("请扫描正确的二维码")
+            return
+        }
+
+        guard let parsed = QRCodeScanResult.parse(scanResult) else {
+            onShowMessage?("请扫描正确的二维码")
+            return
+        }
+
+        switch parsed.method {
+        case "check_in":
+            await performCheckIn(scanResult: scanResult)
+        case "order_verify":
+            if AppStore.shared.currentAppRole == .storeAdmin {
+                await performStoreVerify(parsed: parsed)
+            } else {
+                await performPhotographerVerify(jsonBody: parsed.rawJSON)
+            }
+        case "multi_verify":
+            guard !parsed.orderNumber.isEmpty, parsed.userId > 0, parsed.timeLong > 0, !parsed.checkSum.isEmpty else {
+                onShowMessage?("请扫描正确的多点位核销码")
+                return
+            }
+            let pending = MultiVerifyParseData(
+                orderNumber: parsed.orderNumber,
+                userId: parsed.userId,
+                time: parsed.timeLong,
+                checkSum: parsed.checkSum
+            )
+            pendingMultiVerify = pending
+            onMultiVerifyPending?(pending)
+            await fetchSpotsForMultiVerify(pending: pending)
+        case SaleUserQrParser.methodSaleUserBind:
+            if let id = SaleUserQrParser.parseSaleUserId(scanResult), id > 0 {
+                onShowMessage?("获客员绑定功能待接入")
+            } else {
+                onShowMessage?("请扫描正确的获客员二维码")
+            }
+        default:
+            onShowMessage?("未知二维码，请检查后重试")
+        }
+    }
+
+    func confirmMultiVerify(pending: MultiVerifyParseData, spot: MultiTravelScenicSpotEntity) async {
+        do {
+            let response = try await api.multiTravelOrderVerify(
+                MultiTravelOrderVerifyRequest(
+                    orderNumber: pending.orderNumber,
+                    userId: pending.userId,
+                    time: pending.time,
+                    checkSum: pending.checkSum,
+                    scenicSpotId: spot.scenicSpotId
+                )
+            )
+            onShowSignIn?(response)
+        } catch {
+            onShowMessage?(error.localizedDescription)
+        }
+    }
+
+    private func performCheckIn(scanResult: String) async {
+        guard var json = parseJSONObject(scanResult) else {
+            onShowMessage?("请扫描正确的二维码")
+            return
+        }
+        json["scenic_id"] = String(AppStore.shared.currentScenicId)
+        guard let body = serializeJSON(json) else { return }
+        do {
+            let response = try await api.orderCheckIn(jsonBody: body)
+            onShowSignIn?(response)
+        } catch {
+            onShowMessage?(error.localizedDescription)
+        }
+    }
+
+    private func performPhotographerVerify(jsonBody: String) async {
+        do {
+            let response = try await api.orderVerify(jsonBody: jsonBody)
+            onShowWriteOff?(response)
+        } catch {
+            onShowMessage?(error.localizedDescription)
+        }
+    }
+
+    private func performStoreVerify(parsed: QRCodeScanResult) async {
+        guard parsed.userId > 0, !parsed.orderNumber.isEmpty, !parsed.time.isEmpty else {
+            onShowMessage?("请扫描正确的核销码")
+            return
+        }
+        let storeId = AppStore.shared.currentStoreId
+        guard storeId > 0 else {
+            onShowMessage?("店铺信息异常，请先选择店铺")
+            return
+        }
+        do {
+            let response = try await api.storeOrderVerify(
+                StoreOrderVerifyRequest(
+                    userId: parsed.userId,
+                    orderNumber: parsed.orderNumber,
+                    time: parsed.time,
+                    storeId: storeId
+                )
+            )
+            onShowWriteOff?(response)
+        } catch {
+            onShowMessage?(error.localizedDescription)
+        }
+    }
+
+    private func fetchSpotsForMultiVerify(pending: MultiVerifyParseData) async {
+        let status = locationManager.authorizationStatus
+        guard status == .authorizedWhenInUse || status == .authorizedAlways else {
+            locationManager.requestWhenInUseAuthorization()
+            onShowMessage?("缺少定位权限，功能无法进行")
+            return
+        }
+        do {
+            let coordinate = try await requestLocation()
+            let response = try await api.multiTravelScenicSpotList(
+                orderNumber: pending.orderNumber,
+                lat: coordinate.latitude,
+                lng: coordinate.longitude
+            )
+            let spots = response.entityList
+            if spots.isEmpty {
+                onShowMessage?("暂无可核销的打卡点")
+            } else {
+                onShowMultiVerifySheet?(spots, spots.first)
+            }
+        } catch {
+            onShowMessage?(error.localizedDescription)
+        }
+    }
+
+    private func requestLocation() async throws -> CLLocationCoordinate2D {
+        try await withCheckedThrowingContinuation { continuation in
+            locationContinuation = { result in
+                switch result {
+                case .success(let coordinate):
+                    continuation.resume(returning: coordinate)
+                case .failure(let error):
+                    continuation.resume(throwing: error)
+                }
+            }
+            locationManager.requestLocation()
+        }
+    }
+
+    func locationManager(_ manager: CLLocationManager, didUpdateLocations locations: [CLLocation]) {
+        guard let location = locations.last else { return }
+        locationContinuation?(.success(location.coordinate))
+        locationContinuation = nil
+    }
+
+    func locationManager(_ manager: CLLocationManager, didFailWithError error: Error) {
+        locationContinuation?(.failure(error))
+        locationContinuation = nil
+    }
+}
+
+private extension MainTabScanHandler {
+    func parseJSONObject(_ text: String) -> [String: Any]? {
+        guard let data = text.data(using: .utf8) else { return nil }
+        return try? JSONSerialization.jsonObject(with: data) as? [String: Any]
+    }
+
+    func serializeJSON(_ json: [String: Any]) -> String? {
+        guard let data = try? JSONSerialization.data(withJSONObject: json) else { return nil }
+        return String(data: data, encoding: .utf8)
+    }
+}