feat: 品牌化那拉提景区收款页

suixinkan/Features/Payment/API/PaymentAPI.swift

@@ -25,6 +25,17 @@ final class PaymentAPI {
         )
     }
 
+    /// 拉取当前景区收款页的背景、Logo 与标题配置。
+    func payPageConfig(scenicId: Int) async throws -> PayPageConfigResponse {
+        try await client.send(
+            APIRequest(
+                method: .get,
+                path: "/api/yf-handset-app/photog/pay-page-config",
+                queryItems: [URLQueryItem(name: "scenic_id", value: String(scenicId))]
+            )
+        )
+    }
+
     /// 拉取近 7 天收款记录。
     func collectionRecord(scenicId: Int) async throws -> RepaymentCollectionRecordResponse {
         try await client.send(

suixinkan/Features/Payment/Models/PaymentModels.swift

@@ -5,6 +5,83 @@
 
 import Foundation
 
+/// 收款页展示配置接口响应。
+struct PayPageConfigResponse: Decodable, Sendable, Equatable {
+    let background: String
+    let logo: String
+    let title: String
+    let subtitle: String
+
+    init(background: String, logo: String, title: String, subtitle: String) {
+        self.background = background
+        self.logo = logo
+        self.title = title
+        self.subtitle = subtitle
+    }
+}
+
+/// 收款页最终可展示并可持久化的品牌配置。
+struct PayPageConfig: Codable, Sendable, Equatable {
+    let background: String
+    let logo: String
+    let title: String
+    let subtitle: String
+
+    /// 那拉提景区随包默认配置。
+    static let nalatiDefault = PayPageConfig(
+        background: "",
+        logo: "",
+        title: "那拉提旅拍管理收费平台",
+        subtitle: "那拉提景区"
+    )
+
+    /// 将服务端非空有效字段合并到当前可用配置。
+    func merging(_ response: PayPageConfigResponse) -> PayPageConfig {
+        PayPageConfig(
+            background: Self.validRemoteImageURL(response.background) ?? background,
+            logo: Self.validRemoteImageURL(response.logo) ?? logo,
+            title: response.title.trimmedNonEmpty ?? title,
+            subtitle: response.subtitle.trimmedNonEmpty ?? subtitle
+        )
+    }
+
+    private static func validRemoteImageURL(_ value: String) -> String? {
+        let trimmed = value.trimmingCharacters(in: .whitespacesAndNewlines)
+        guard let url = URL(string: trimmed),
+              url.scheme?.lowercased() == "https",
+              url.host != nil else {
+            return nil
+        }
+        return trimmed
+    }
+}
+
+/// 收款页品牌化景区判定策略。
+enum PayPageBrandingPolicy {
+    /// 那拉提景区正式 ID。
+    static let nalatiScenicId = 128
+
+    /// 判断当前景区是否启用品牌收款页。
+    static func isNalati(scenicId: Int) -> Bool {
+        scenicId == nalatiScenicId
+    }
+}
+
+/// 收款页当前账号信息的展示文本格式化规则。
+enum PaymentAccountDisplayFormatter {
+    /// 解析当前登录摄影师名称，昵称为空时使用实名，仍为空时显示占位符。
+    static func photographerName(userName: String, realName: String) -> String {
+        userName.trimmedNonEmpty ?? realName.trimmedNonEmpty ?? "-"
+    }
+
+    /// 去除空值与重复项后，合并当前账号的全部店铺名称。
+    static func storeNames(_ names: [String]) -> String {
+        var seen = Set<String>()
+        let resolved = names.compactMap(\.trimmedNonEmpty).filter { seen.insert($0).inserted }
+        return resolved.isEmpty ? "-" : resolved.joined(separator: "、")
+    }
+}
+
 /// 摄影师收款码响应，包含静态与动态支付 URL。
 struct PayCodeResponse: Decodable, Sendable, Equatable {
     let staticPayURL: String
@@ -101,3 +178,10 @@ struct PaymentMerchantInfo: Sendable, Equatable {
         company: "扬州元智享网络科技有限公司"
     )
 }
+
+private extension String {
+    var trimmedNonEmpty: String? {
+        let value = trimmingCharacters(in: .whitespacesAndNewlines)
+        return value.isEmpty ? nil : value
+    }
+}

suixinkan/Features/Payment/Services/PayPageConfigCache.swift

@@ -0,0 +1,51 @@
+//
+//  PayPageConfigCache.swift
+//  suixinkan
+//
+
+import Foundation
+
+/// 收款页品牌配置缓存协议，供 ViewModel 注入持久化实现或测试替身。
+protocol PayPageConfigCaching {
+    /// 读取指定景区的品牌配置。
+    func config(scenicId: Int) -> PayPageConfig?
+
+    /// 保存指定景区的完整品牌配置。
+    func save(_ config: PayPageConfig, scenicId: Int)
+}
+
+/// 使用 UserDefaults 按接口环境与景区隔离的收款页品牌配置缓存。
+final class PayPageConfigCache: PayPageConfigCaching {
+    private static let version = "v1"
+
+    private let defaults: UserDefaults
+    private let environmentNamespace: String
+    private let encoder = JSONEncoder()
+    private let decoder = JSONDecoder()
+
+    /// 使用指定持久化容器和 API 环境创建缓存。
+    init(
+        defaults: UserDefaults = .standard,
+        environment: APIEnvironment = .current
+    ) {
+        self.defaults = defaults
+        environmentNamespace = environment.baseURL.host ?? environment.baseURL.absoluteString
+    }
+
+    func config(scenicId: Int) -> PayPageConfig? {
+        guard scenicId > 0,
+              let data = defaults.data(forKey: key(scenicId: scenicId)) else {
+            return nil
+        }
+        return try? decoder.decode(PayPageConfig.self, from: data)
+    }
+
+    func save(_ config: PayPageConfig, scenicId: Int) {
+        guard scenicId > 0, let data = try? encoder.encode(config) else { return }
+        defaults.set(data, forKey: key(scenicId: scenicId))
+    }
+
+    private func key(scenicId: Int) -> String {
+        "payment.pay_page_config.\(Self.version).\(environmentNamespace).\(scenicId)"
+    }
+}

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() {