[Shipping Labels] Split shipments instructions notice

WooCommerce/Classes/Tools/Notices/DefaultNoticePresenter.swift

@@ -380,7 +380,9 @@ private extension UNMutableNotificationContent {
     convenience init(notice: Notice) {
         self.init()
 
-        title = notice.notificationInfo?.title ?? notice.title
+        if let title = notice.notificationInfo?.title ?? notice.title {
+            self.title = title
+        }
 
         if let body = notice.notificationInfo?.body {
             self.body = body

WooCommerce/Classes/Tools/Notices/Notice.swift

@@ -9,7 +9,7 @@ struct Notice {
 
     /// The title that contains the reason for the notice
     ///
-    let title: String
+    let title: String?
 
     /// An optional subtitle that contains a secondary description of the reason for the notice
     ///
@@ -35,7 +35,6 @@ struct Notice {
     ///
     let actionHandler: (() -> Void)?
 
-
     /// Designated Initializer
     ///
     init(title: String,
@@ -65,3 +64,41 @@ extension Notice: Equatable {
             lhs.actionTitle == rhs.actionTitle
     }
 }
+
+/// Convenience initializers to init without  a`title`
+/// These initializers  help to ensure that at least one of title/subtitle/message is non-nil.
+///
+extension Notice {
+    /// To init using `subtitle` and/or `message`
+    ///
+    init(subtitle: String,
+         message: String? = nil,
+         feedbackType: UINotificationFeedbackGenerator.FeedbackType? = nil,
+         notificationInfo: NoticeNotificationInfo? = nil,
+         actionTitle: String? = nil,
+         actionHandler: ((() -> Void))? = nil) {
+        self.title = nil
+        self.subtitle = subtitle
+        self.message = message
+        self.feedbackType = feedbackType
+        self.notificationInfo = notificationInfo
+        self.actionTitle = actionTitle
+        self.actionHandler = actionHandler
+    }
+
+    /// To init using only `message`
+    ///
+    init(message: String,
+         feedbackType: UINotificationFeedbackGenerator.FeedbackType? = nil,
+         notificationInfo: NoticeNotificationInfo? = nil,
+         actionTitle: String? = nil,
+         actionHandler: ((() -> Void))? = nil) {
+        self.title = nil
+        self.subtitle = nil
+        self.message = message
+        self.feedbackType = feedbackType
+        self.notificationInfo = notificationInfo
+        self.actionTitle = actionTitle
+        self.actionHandler = actionHandler
+    }
+}

WooCommerce/Classes/View Modifiers/View+NoticesModifier.swift

@@ -64,13 +64,15 @@ struct NoticeModifier: ViewModifier {
                     Spacer()
                     HStack(spacing: 0.0) {
                         VStack {
-                            HStack {
-                                Text(notice.title)
-                                    .lineLimit(notice.message.isNilOrEmpty ? 0 : 2)
-                                Spacer()
+                            if let title = notice.title {
+                                HStack {
+                                    Text(title)
+                                        .lineLimit(notice.message.isNilOrEmpty ? 0 : 2)
+                                    Spacer()
+                                }
+                                .font(Constants.titleFont)
+                                .foregroundColor(Constants.titleColor)
                             }
-                            .font(Constants.titleFont)
-                            .foregroundColor(Constants.titleColor)
                             if let subtitle = notice.subtitle {
                                 HStack {
                                     Text(subtitle)
@@ -81,7 +83,7 @@ struct NoticeModifier: ViewModifier {
                             }
                             if let message = notice.message {
                                 HStack {
-                                    Text(message)
+                                    BoldableTextView(message)
                                     Spacer()
                                 }
                                 .font(Constants.messageFont)

WooCommerce/Classes/ViewRelated/Orders/Order Details/Shipping Labels/WooShipping Create Shipping Labels/WooShipping Split Shipments/CollapsibleShipmentCardViewModel.swift

@@ -12,6 +12,18 @@ final class CollapsibleShipmentCardViewModel: ObservableObject, Identifiable {
     /// Child shipment rows, if the shipment has more than one quantity
     let childShipmentRows: [SelectableShipmentRowViewModel]
 
+    var onSelectionChange: (() -> Void)?
+
+    var hasSelectedAnItem: Bool {
+        if mainShipmentRow.selected {
+            return true
+        }
+
+        return childShipmentRows
+            .filter { $0.selected }
+            .isNotEmpty
+    }
+
     init(parentShipmentId: String,
          childShipmentIds: [String],
          item: ShippingLabelPackageItem,
@@ -47,13 +59,15 @@ private extension CollapsibleShipmentCardViewModel {
             guard let self else { return }
 
             childShipmentRows.forEach({ $0.setSelected(row.selected) })
+            onSelectionChange?()
         }
 
         childShipmentRows.forEach({
             $0.onSelectedChange = { [weak self] row in
                 guard let self else { return }
 
                 mainShipmentRow.setSelected(false)
+                onSelectionChange?()
             }
         })
     }

WooCommerce/Classes/ViewRelated/Orders/Order Details/Shipping Labels/WooShipping Create Shipping Labels/WooShipping Split Shipments/WooShippingSplitShipmentsDetailView.swift

@@ -4,7 +4,7 @@ import Yosemite
 struct WooShippingSplitShipmentsDetailView: View {
     @Environment(\.dismiss) private var dismiss
 
-    let viewModel: WooShippingSplitShipmentsViewModel
+    @ObservedObject var viewModel: WooShippingSplitShipmentsViewModel
 
     var body: some View {
         NavigationView {
@@ -41,6 +41,10 @@ struct WooShippingSplitShipmentsDetailView: View {
                 }
             }
         }
+        .notice($viewModel.instructionsNotice, autoDismiss: false)
+        .onAppear {
+            viewModel.onAppear()
+        }
     }
 }
 

WooCommerce/Classes/ViewRelated/Orders/Order Details/Shipping Labels/WooShipping Create Shipping Labels/WooShipping Split Shipments/WooShippingSplitShipmentsViewModel.swift

@@ -26,10 +26,10 @@ final class WooShippingSplitShipmentsViewModel: ObservableObject {
         "\(itemsWeightLabel) • \(itemsPriceLabel)"
     }
 
-    @Published var selectedItemIDs: [String: [String]] = [:]
-
     let shipmentCardViewModels: [CollapsibleShipmentCardViewModel]
 
+    @Published var instructionsNotice: Notice?
+
     init(order: Order,
          config: WooShippingConfig,
          items: [ShippingLabelPackageItem],
@@ -70,6 +70,11 @@ final class WooShippingSplitShipmentsViewModel: ObservableObject {
         }()
 
         configureSectionHeader()
+        configureSelectionCallback()
+    }
+
+    func onAppear() {
+        showInstructionsNotice()
     }
 
     func selectAll() {
@@ -80,6 +85,34 @@ final class WooShippingSplitShipmentsViewModel: ObservableObject {
 }
 
 private extension WooShippingSplitShipmentsViewModel {
+    func configureSelectionCallback() {
+        shipmentCardViewModels.forEach { viewModel in
+            viewModel.onSelectionChange = { [weak self] in
+                self?.checkSelectionAndHideInstructions()
+            }
+        }
+    }
+
+    func showInstructionsNotice() {
+        if hasSelectedAnItem() == false {
+            instructionsNotice = Notice(message: Localization.SelectionInstructionsNotice.message,
+                                        feedbackType: .success,
+                                        actionTitle: Localization.SelectionInstructionsNotice.dismiss) { [weak self] in
+                self?.instructionsNotice = nil
+            }
+        }
+    }
+
+    func checkSelectionAndHideInstructions() {
+        if hasSelectedAnItem() {
+            instructionsNotice = nil
+        }
+    }
+
+    func hasSelectedAnItem() -> Bool {
+        shipmentCardViewModels.contains(where: { $0.hasSelectedAnItem })
+    }
+
     /// Configures the labels in the section header.
     ///
     func configureSectionHeader() {
@@ -113,6 +146,16 @@ private extension WooShippingSplitShipmentsViewModel {
 // MARK: Constants
 private extension WooShippingSplitShipmentsViewModel {
     enum Localization {
+        enum SelectionInstructionsNotice {
+            static let message = NSLocalizedString("wooShipping.createLabels.splitShipment.SelectionInstructionsNotice.message",
+                                                   value: "To split, select the items, and tap **move to new shipment** when the toolbar appears.",
+                                                   comment: "Instructions to ask customer to select items to split during shipping label creation."
+                                                   + " The content inside two double asterisks **...** denote bolded text.")
+
+            static let dismiss = NSLocalizedString("wooShipping.createLabels.splitShipment.SelectionInstructionsNotice.dismiss",
+                                                   value: "Dismiss",
+                                                   comment: "Label of the button to dismiss the instructions notice in split shipments flow.")
+        }
         static func itemsCount(_ count: Decimal) -> String {
             return String.pluralize(count, singular: Localization.itemsCountSingularFormat, plural: Localization.itemsCountPluralFormat)
         }

WooCommerce/Classes/ViewRelated/Orders/Order Details/Shipping Labels/WooShipping Create Shipping Labels/WooShippingCreateLabelsView.swift

@@ -104,7 +104,7 @@ private extension WooShippingCreateLabelsView {
                     WooShippingPostPurchaseView(viewModel: postPurchase)
                 }
 
-                if let splitShipmentsViewModel = viewModel.splitShipmentsViewModel {
+                if !viewModel.canViewLabel, let splitShipmentsViewModel = viewModel.splitShipmentsViewModel {
                     WooShippingSplitShipmentsRow(viewModel: splitShipmentsViewModel)
                 }