feat: 品牌化那拉提景区收款页

suixinkan/Features/Payment/ViewModels/PaymentCollectionDetailsViewModel.swift

@@ -17,6 +17,9 @@ final class PaymentCollectionDetailsViewModel {
     private(set) var showAmountDialog = false
     private(set) var amount = ""
     private(set) var remark = ""
+    private(set) var scenicId = 0
+    private(set) var payPageConfig = PayPageConfig.nalatiDefault
+    private(set) var brandingRefreshVersion = 0
 
     let merchantInfo = PaymentMerchantInfo.defaultInfo
 
@@ -26,9 +29,21 @@ final class PaymentCollectionDetailsViewModel {
     private var staticPayURL = ""
     private var dynamicPayURL = ""
     private let appStore: AppStore
+    private let payPageConfigCache: PayPageConfigCaching
 
-    init(appStore: AppStore = .shared) {
+    init(
+        appStore: AppStore = .shared,
+        payPageConfigCache: PayPageConfigCaching = PayPageConfigCache()
+    ) {
         self.appStore = appStore
+        self.payPageConfigCache = payPageConfigCache
+        scenicId = appStore.session.currentScenicId
+        scenicName = appStore.session.currentScenicName
+        staffId = appStore.session.userId
+        isVoiceBroadcastOpen = appStore.payment.isOpenReceiveVoice
+        if PayPageBrandingPolicy.isNalati(scenicId: scenicId) {
+            payPageConfig = payPageConfigCache.config(scenicId: scenicId) ?? .nalatiDefault
+        }
     }
 
     var hasPayCode: Bool {
@@ -39,10 +54,32 @@ final class PaymentCollectionDetailsViewModel {
         scenicName.isEmpty ? "暂无景区" : scenicName
     }
 
+    var usesNalatiBranding: Bool {
+        PayPageBrandingPolicy.isNalati(scenicId: scenicId)
+    }
+
+    var displayPhotographerName: String {
+        PaymentAccountDisplayFormatter.photographerName(
+            userName: appStore.session.userName,
+            realName: appStore.session.realName
+        )
+    }
+
+    var displayStoreNames: String {
+        let names = appStore.permissions.rolePermissionList().flatMap(\.store).map(\.name)
+        return PaymentAccountDisplayFormatter.storeNames(names)
+    }
+
     func refreshLocalState() {
+        scenicId = appStore.session.currentScenicId
         scenicName = appStore.session.currentScenicName
         staffId = appStore.session.userId
         isVoiceBroadcastOpen = appStore.payment.isOpenReceiveVoice
+        if usesNalatiBranding {
+            payPageConfig = payPageConfigCache.config(scenicId: scenicId) ?? .nalatiDefault
+        } else {
+            payPageConfig = .nalatiDefault
+        }
         notifyStateChange()
     }
 
@@ -56,7 +93,7 @@ final class PaymentCollectionDetailsViewModel {
             notifyStateChange()
         }
 
-        let scenicId = appStore.session.currentScenicId
+        let scenicId = self.scenicId
         guard scenicId > 0 else {
             clearPayCode()
             return
@@ -72,8 +109,27 @@ final class PaymentCollectionDetailsViewModel {
         }
     }
 
+    func loadPayPageConfig(api: PaymentAPI) async {
+        let requestedScenicId = appStore.session.currentScenicId
+        guard PayPageBrandingPolicy.isNalati(scenicId: requestedScenicId) else { return }
+
+        do {
+            let response = try await api.payPageConfig(scenicId: requestedScenicId)
+            guard appStore.session.currentScenicId == requestedScenicId else { return }
+            let resolved = payPageConfig.merging(response)
+            payPageConfigCache.save(resolved, scenicId: requestedScenicId)
+            payPageConfig = resolved
+            brandingRefreshVersion += 1
+            notifyStateChange()
+        } catch {
+            // 品牌配置失败时保留缓存或随包默认值，不影响收款码与页面交互。
+        }
+    }
+
     func refresh(api: PaymentAPI) async {
-        await loadPayCode(api: api)
+        async let payCode: Void = loadPayCode(api: api)
+        async let pageConfig: Void = loadPayPageConfig(api: api)
+        _ = await (payCode, pageConfig)
     }
 
     func showSetAmountDialog() {