Fix image preview presentation when order source sheet is open.

Present previews from the top of the presentation chain so tapping lead images inside the sheet no longer conflicts with the already-presented picker.

Co-authored-by: Cursor <cursoragent@cursor.com>

suixinkan/Base/BaseViewController.swift

@@ -119,6 +119,30 @@ class BaseViewController: UIViewController {
         navigationController?.popViewController(animated: true)
     }
 
+    /// 沿 presentation 链找到当前最顶层控制器，避免 Sheet 已展示时 present 冲突。
+    func topMostPresentedViewController() -> UIViewController {
+        var top: UIViewController = self
+        while let presented = top.presentedViewController {
+            top = presented
+        }
+        return top
+    }
+
+    /// 在当前可见 presentation 链顶端弹出页面。
+    func presentOnTop(
+        _ viewController: UIViewController,
+        animated: Bool = true,
+        completion: (() -> Void)? = nil
+    ) {
+        topMostPresentedViewController().present(viewController, animated: animated, completion: completion)
+    }
+
+    /// 全屏预览网络图片。
+    func presentImagePreview(imageURLs: [String], startIndex: Int) {
+        guard !imageURLs.isEmpty else { return }
+        presentOnTop(ImagePreviewViewController(imageURLs: imageURLs, startIndex: startIndex))
+    }
+
     // MARK: - Notifications
 
     private func registerBaseNotifications() {

suixinkan/UI/Orders/OrderSourceLeadListViewController.swift

@@ -16,7 +16,6 @@ final class OrderSourceLeadListViewController: BaseViewController, UITableViewDa
     private let loadLeads: (OrderSourcePerson) async -> Void
     private let onLeadBound: (OrderSourceSelection) -> Void
     private let onCallPhone: (String) -> Void
-    private let onPreviewImages: ([String], Int) -> Void
 
     private let phoneRow = UIStackView()
     private let phoneLabel = UILabel()
@@ -32,8 +31,7 @@ final class OrderSourceLeadListViewController: BaseViewController, UITableViewDa
         referralOrder: BoundReferralOrderEntity?,
         loadLeads: @escaping (OrderSourcePerson) async -> Void,
         onLeadBound: @escaping (OrderSourceSelection) -> Void,
-        onCallPhone: @escaping (String) -> Void,
-        onPreviewImages: @escaping ([String], Int) -> Void
+        onCallPhone: @escaping (String) -> Void
     ) {
         self.person = person
         self.orderNumber = orderNumber
@@ -42,7 +40,6 @@ final class OrderSourceLeadListViewController: BaseViewController, UITableViewDa
         self.loadLeads = loadLeads
         self.onLeadBound = onLeadBound
         self.onCallPhone = onCallPhone
-        self.onPreviewImages = onPreviewImages
         super.init(nibName: nil, bundle: nil)
     }
 
@@ -178,7 +175,9 @@ final class OrderSourceLeadListViewController: BaseViewController, UITableViewDa
             && currentSelection?.lead.key == lead.key
         cell.configure(lead: lead, selected: selected)
         cell.onCallPhone = onCallPhone
-        cell.onImageTap = onPreviewImages
+        cell.onImageTap = { [weak self] urls, index in
+            self?.presentImagePreview(imageURLs: urls, startIndex: index)
+        }
         cell.onSelect = { [weak self] in
             guard let self else { return }
             let selection = OrderSourceSelection(person: self.person, lead: lead)

suixinkan/UI/Orders/OrderSourcePickerViewController.swift

@@ -15,7 +15,6 @@ final class OrderSourcePickerViewController: UIViewController, UITableViewDataSo
     private let loadLeads: (OrderSourcePerson) async -> Void
     private let onLeadBound: (OrderSourceSelection) -> Void
     private let onCallPhone: (String) -> Void
-    private let onPreviewImages: ([String], Int) -> Void
 
     private let titleLabel = UILabel()
     private let subtitleLabel = UILabel()
@@ -29,8 +28,7 @@ final class OrderSourcePickerViewController: UIViewController, UITableViewDataSo
         referralOrder: BoundReferralOrderEntity?,
         loadLeads: @escaping (OrderSourcePerson) async -> Void,
         onLeadBound: @escaping (OrderSourceSelection) -> Void,
-        onCallPhone: @escaping (String) -> Void,
-        onPreviewImages: @escaping ([String], Int) -> Void
+        onCallPhone: @escaping (String) -> Void
     ) {
         self.orderNumber = orderNumber
         self.viewModel = viewModel
@@ -38,7 +36,6 @@ final class OrderSourcePickerViewController: UIViewController, UITableViewDataSo
         self.loadLeads = loadLeads
         self.onLeadBound = onLeadBound
         self.onCallPhone = onCallPhone
-        self.onPreviewImages = onPreviewImages
         super.init(nibName: nil, bundle: nil)
     }
 
@@ -157,8 +154,7 @@ final class OrderSourcePickerViewController: UIViewController, UITableViewDataSo
             referralOrder: referralOrder,
             loadLeads: loadLeads,
             onLeadBound: onLeadBound,
-            onCallPhone: onCallPhone,
-            onPreviewImages: onPreviewImages
+            onCallPhone: onCallPhone
         )
         navigationController?.setNavigationBarHidden(false, animated: true)
         navigationController?.pushViewController(leadController, animated: true)

suixinkan/UI/Orders/OrdersViewController.swift

@@ -377,7 +377,7 @@ final class OrdersViewController: BaseViewController, UITableViewDataSource, UIT
             self?.presentOrderSourcePicker(for: order)
         }
         actions.onOrderSourceImageTap = { [weak self] images, index in
-            self?.presentImagePreview(images: images, startIndex: index)
+            self?.presentImagePreview(imageURLs: images, startIndex: index)
         }
         if let travel = order.photoTravel, travel.canGiftRetouch {
             actions.onSendGift = { [weak self] in
@@ -492,9 +492,6 @@ final class OrdersViewController: BaseViewController, UITableViewDataSource, UIT
                     },
                     onCallPhone: { [weak self] phone in
                         self?.callPhone(phone)
-                    },
-                    onPreviewImages: { [weak self] urls, index in
-                        self?.presentImagePreview(images: urls, startIndex: index)
                     }
                 )
                 self.orderSourcePicker = controller
@@ -524,9 +521,4 @@ final class OrdersViewController: BaseViewController, UITableViewDataSource, UIT
         guard !trimmed.isEmpty, let url = URL(string: "tel://\(trimmed)") else { return }
         UIApplication.shared.open(url)
     }
-
-    private func presentImagePreview(images: [String], startIndex: Int) {
-        guard !images.isEmpty else { return }
-        present(ImagePreviewViewController(imageURLs: images, startIndex: startIndex), animated: true)
-    }
 }