CampaignItemModel fixes

@@ -17,7 +17,7 @@ public class CampaignItemModel {
     // MARK: - URL Cleaning Helper
     
     /// Cleans escaped forward slashes from URLs (e.g., "https:\/\/example.com" -> "https://example.com")
-    private func cleanEscapedUrl(_ url: String?) -> String? {
+    private static func cleanEscapedUrl(_ url: String?) -> String? {
         return url?.replacingOccurrences(of: "\\/", with: "/")
     }
     public let offer_category: String?
@@ -105,8 +105,8 @@ public class CampaignItemModel {
     }
 
     public init(dictionary: [String: Any]) {
-        self.index_url = cleanEscapedUrl(dictionary["index_url"] as? String? ?? "")
-        self.logo_url = cleanEscapedUrl(dictionary["logo_url"] as? String? ?? "")
+        self.index_url = CampaignItemModel.cleanEscapedUrl(dictionary["index_url"] as? String? ?? "")
+        self.logo_url = CampaignItemModel.cleanEscapedUrl(dictionary["logo_url"] as? String? ?? "")
         self.offer_category = dictionary["communication_category"] as? String? ?? ""
         self.title = dictionary["title"] as? String? ?? ""
         self.subtitle = dictionary["subtitle"] as? String? ?? ""
@@ -159,16 +159,16 @@ public class CampaignItemModel {
              self.type = extra_fields["type"] as? String? ?? ""
              self.carousel = extra_fields["carousel"] as? String? ?? "false"
             self.category_title = extra_fields["category_title"] as? String ?? ""
-            self.banner_img = cleanEscapedUrl(extra_fields["Banner_img"] as? String ?? "")
+            self.banner_img = CampaignItemModel.cleanEscapedUrl(extra_fields["Banner_img"] as? String ?? "")
             self.banner_title = extra_fields["Banner_title"] as? String ?? ""
             self.category_id = extra_fields["category_id"] as? String ?? ""
             self.filter = extra_fields["filter"] as? String ?? ""
             self.show_expiration = extra_fields["show_expiration"] as? String? ?? "false"
-            self.coupon_img = cleanEscapedUrl(extra_fields["coupon_img"] as? String? ?? "")
+            self.coupon_img = CampaignItemModel.cleanEscapedUrl(extra_fields["coupon_img"] as? String? ?? "")
             
             // Parse new extra_fields with URL cleaning
-            self.campaign_url = cleanEscapedUrl(extra_fields["campaign_url"] as? String? ?? "")
-            self.banner_img_mobile = cleanEscapedUrl(extra_fields["banner_img_mobile"] as? String? ?? "")
+            self.campaign_url = CampaignItemModel.cleanEscapedUrl(extra_fields["campaign_url"] as? String? ?? "")
+            self.banner_img_mobile = CampaignItemModel.cleanEscapedUrl(extra_fields["banner_img_mobile"] as? String? ?? "")
         } else {
              self.subcategory = ""
              self.loyaltyCampaignId = ""