Implement bank transfer app flows

Thijooree iOS/Storage/DashboardCache.swift

@@ -0,0 +1,38 @@
+import Foundation
+
+struct CachedBmlForeignLimits: Codable {
+    let userName: String
+    let limits: [BmlForeignLimit]
+}
+
+struct DashboardCachePayload: Codable {
+    let foreignLimits: [CachedBmlForeignLimits]
+    let mibFinancing: [MibFinanceDeal]
+}
+
+struct DashboardCache {
+    static let shared = DashboardCache()
+    private let udKey = "thijooree_dashboard_v1"
+    private init() {}
+
+    func save(foreignLimits: [(userName: String, limits: [BmlForeignLimit])], mibFinancing: [MibFinanceDeal]) {
+        let payload = DashboardCachePayload(
+            foreignLimits: foreignLimits.map { CachedBmlForeignLimits(userName: $0.userName, limits: $0.limits) },
+            mibFinancing: mibFinancing
+        )
+        guard let json = try? JSONEncoder().encode(payload),
+              let encrypted = try? CacheEncryption.shared.encryptData(json) else { return }
+        UserDefaults.standard.set(encrypted, forKey: udKey)
+    }
+
+    func load() -> DashboardCachePayload? {
+        guard let encrypted = UserDefaults.standard.string(forKey: udKey),
+              let json = try? CacheEncryption.shared.decryptData(encrypted),
+              let payload = try? JSONDecoder().decode(DashboardCachePayload.self, from: json) else { return nil }
+        return payload
+    }
+
+    func clear() {
+        UserDefaults.standard.removeObject(forKey: udKey)
+    }
+}