From 750e50d476bfeb68603caf611ad60376577d83ea Mon Sep 17 00:00:00 2001
From: "Hedden, Kyle Matthew" <kyle.hedden@verizonwireless.com>
Date: Wed, 12 Jun 2024 15:59:43 -0400
Subject: [PATCH] Digital PCT265 story DE307-731: Support 'gone' configuration
 for carousel cells.

---
 MVMCoreUI/Atomic/Molecules/Items/CarouselItemModel.swift     | 5 +++++
 MVMCoreUI/Atomic/Organisms/Carousel/Carousel.swift           | 4 ++--
 MVMCoreUI/Atomic/Organisms/Carousel/CarouselModel.swift      | 4 ++++
 .../Protocols/ModelProtocols/CarouselItemModelProtocol.swift | 1 +
 4 files changed, 12 insertions(+), 2 deletions(-)

diff --git a/MVMCoreUI/Atomic/Molecules/Items/CarouselItemModel.swift b/MVMCoreUI/Atomic/Molecules/Items/CarouselItemModel.swift
index f7b875c1..bbcca3f6 100644
--- a/MVMCoreUI/Atomic/Molecules/Items/CarouselItemModel.swift
+++ b/MVMCoreUI/Atomic/Molecules/Items/CarouselItemModel.swift
@@ -24,6 +24,7 @@
     public var fieldKey: String?
     public var groupName: String = FormValidator.defaultGroupName
     public var baseValue: AnyHashable?
+    public var gone: Bool = false
     
     //--------------------------------------------------
     // MARK: - Validation
@@ -53,6 +54,7 @@
         case groupName
         case enabled
         case readOnly
+        case gone
     }
 
     //--------------------------------------------------
@@ -76,6 +78,7 @@
         if let readOnly = try typeContainer.decodeIfPresent(Bool.self, forKey: .readOnly) {
             self.readOnly = readOnly
         }
+        gone = try typeContainer.decodeIfPresent(Bool.self, forKey: .gone) ?? false
         try super.init(from: decoder)
     }
 
@@ -99,6 +102,7 @@
         && fieldValue == model.fieldValue
         && enabled == model.enabled
         && readOnly == model.readOnly
+        && gone == model.gone
     }
     
     public override func isVisuallyEquivalent(to model: any MoleculeModelComparisonProtocol) -> Bool {
@@ -107,5 +111,6 @@
         && peakingArrowColor == model.peakingArrowColor
         && enabled == model.enabled
         && readOnly == model.readOnly
+        && gone == model.gone
     }
 }
diff --git a/MVMCoreUI/Atomic/Organisms/Carousel/Carousel.swift b/MVMCoreUI/Atomic/Organisms/Carousel/Carousel.swift
index 12399292..1601acfe 100644
--- a/MVMCoreUI/Atomic/Organisms/Carousel/Carousel.swift
+++ b/MVMCoreUI/Atomic/Organisms/Carousel/Carousel.swift
@@ -90,7 +90,7 @@ open class Carousel: View {
         showPeaking(false)
         
         // Go to current cell. layoutIfNeeded is needed otherwise cellForItem returns nil for peaking logic. The dispatch is a sad way to ensure the collection view is ready to be scrolled.
-        guard let model = model as? CarouselModel, !model.molecules.isEmpty else { return }
+        guard let model = model as? CarouselModel, !model.visibleMolecules.isEmpty else { return }
         guard (model.paging == true || loop == true) else {
             DispatchQueue.main.async { [self] in
                 updatePagerVisibility()
@@ -228,7 +228,7 @@ open class Carousel: View {
     //--------------------------------------------------
     
     func prepareMolecules(with carouselModel: CarouselModel?) {
-        guard let newMolecules = carouselModel?.molecules else {
+        guard let newMolecules = carouselModel?.visibleMolecules else {
             numberOfPages = 0
             molecules = nil
             return
diff --git a/MVMCoreUI/Atomic/Organisms/Carousel/CarouselModel.swift b/MVMCoreUI/Atomic/Organisms/Carousel/CarouselModel.swift
index 42c8363c..58ee28e6 100644
--- a/MVMCoreUI/Atomic/Organisms/Carousel/CarouselModel.swift
+++ b/MVMCoreUI/Atomic/Organisms/Carousel/CarouselModel.swift
@@ -44,6 +44,10 @@ import UIKit
     public var selectable = false
     public var selectedIndex: Int?
     
+    public var visibleMolecules: [MoleculeModelProtocol & CarouselItemModelProtocol] {
+        molecules.filter { !$0.gone }
+    }
+    
     public init(molecules: [MoleculeModelProtocol & CarouselItemModelProtocol]) {
         self.molecules = molecules
     }
diff --git a/MVMCoreUI/Atomic/Protocols/ModelProtocols/CarouselItemModelProtocol.swift b/MVMCoreUI/Atomic/Protocols/ModelProtocols/CarouselItemModelProtocol.swift
index ed09d90e..affa294b 100644
--- a/MVMCoreUI/Atomic/Protocols/ModelProtocols/CarouselItemModelProtocol.swift
+++ b/MVMCoreUI/Atomic/Protocols/ModelProtocols/CarouselItemModelProtocol.swift
@@ -9,6 +9,7 @@
 
 public protocol CarouselItemModelProtocol: FormFieldProtocol, ContainerModelProtocol {
     var analyticsData: JSONValueDictionary? { get set }
+    var gone: Bool { get set }
 }
 
 public extension CarouselItemModelProtocol {