Payments

pedi-foods/Sources/PediFoods/Services/SessionStateStore.swift

@@ -7,10 +7,37 @@ private struct PersistedAddressState: Codable {
     let longitude: Double?
 }
 
+private struct PersistedCartAddonState: Codable {
+    let id: String
+    let name: String
+    let quantity: Int
+    let unitPrice: Double
+}
+
+private struct PersistedCartItemState: Codable {
+    let id: String
+    let productId: String
+    let storeId: String
+    let name: String
+    let imageURL: String?
+    let details: String?
+    let addons: [PersistedCartAddonState]
+    let quantity: Int
+    let unitPrice: Double
+}
+
+private struct PersistedCartState: Codable {
+    let storeId: String?
+    let storeName: String?
+    let items: [PersistedCartItemState]
+    let total: Double
+}
+
 enum SessionStateStore {
     private static let legacyAddressKey = "session.address.state.v1"
     private static let addressKeyPrefix = "session.address.state.v2."
     private static let activeUserKey = "session.active.user.v1"
+    private static let cartKeyPrefix = "session.cart.state.v1."
 
     static func makeUserKey(profileId: String?, email: String?) -> String? {
         let id = (profileId ?? "")
@@ -136,4 +163,81 @@ enum SessionStateStore {
     static func clearActiveUser() {
         UserDefaults.standard.removeObject(forKey: activeUserKey)
     }
+
+    private static func cartStorageKey(for userKey: String?) -> String {
+        let key = (userKey ?? loadActiveUserKey() ?? "anonymous")
+            .trimmingCharacters(in: .whitespacesAndNewlines)
+        let safe = key.replacingOccurrences(of: " ", with: "_")
+        return cartKeyPrefix + safe
+    }
+
+    static func loadCart() -> CartState? {
+        let defaults = UserDefaults.standard
+        let key = cartStorageKey(for: nil)
+
+        if let data = defaults.data(forKey: key),
+           let decoded = try? JSONDecoder().decode(PersistedCartState.self, from: data) {
+            return CartState(
+                storeId: decoded.storeId,
+                storeName: decoded.storeName,
+                items: decoded.items.map {
+                    CartItemState(
+                        id: $0.id,
+                        productId: $0.productId,
+                        storeId: $0.storeId,
+                        name: $0.name,
+                        imageURL: $0.imageURL,
+                        details: $0.details,
+                        addons: $0.addons.map {
+                            CartItemAddonState(
+                                id: $0.id,
+                                name: $0.name,
+                                quantity: $0.quantity,
+                                unitPrice: $0.unitPrice
+                            )
+                        },
+                        quantity: $0.quantity,
+                        unitPrice: $0.unitPrice
+                    )
+                },
+                total: decoded.total
+            )
+        }
+
+        return nil
+    }
+
+    static func saveCart(_ state: CartState) {
+        let payload = PersistedCartState(
+            storeId: state.storeId,
+            storeName: state.storeName,
+            items: state.items.map {
+                PersistedCartItemState(
+                    id: $0.id,
+                    productId: $0.productId,
+                    storeId: $0.storeId,
+                    name: $0.name,
+                    imageURL: $0.imageURL,
+                    details: $0.details,
+                    addons: $0.addons.map {
+                        PersistedCartAddonState(
+                            id: $0.id,
+                            name: $0.name,
+                            quantity: $0.quantity,
+                            unitPrice: $0.unitPrice
+                        )
+                    },
+                    quantity: $0.quantity,
+                    unitPrice: $0.unitPrice
+                )
+            },
+            total: state.total
+        )
+        guard let data = try? JSONEncoder().encode(payload) else { return }
+        UserDefaults.standard.set(data, forKey: cartStorageKey(for: nil))
+    }
+
+    static func clearCart() {
+        UserDefaults.standard.removeObject(forKey: cartStorageKey(for: nil))
+    }
 }