addition of campaigns at swiftApi

@@ -200,4 +200,72 @@ public class swiftApi {
         return CouponsDataModel().getData
     }
     
+    public class CampaignItemModel {
+        let index_url: String?
+        let logo_url: String?
+        let offer_category: String?
+        let title: String?
+        let subtitle: String?
+        let session_uuid: String?
+        let subcategory: String?
+        
+        init(dictionary: [String: Any]) {
+            self.index_url = dictionary["index_url"] as? String? ?? ""
+            self.logo_url = dictionary["logo_url"] as? String? ?? ""
+            self.offer_category = dictionary["offer_category"] as? String? ?? ""
+            self.title = dictionary["title"] as? String? ?? ""
+            self.subtitle = dictionary["subtitle"] as? String? ?? ""
+            self.session_uuid = dictionary["session_uuid"] as? String? ?? ""
+            
+    //        let extra_fields = dictionary["extra_fields"] as? [String: Any]? ?? ["":""]
+            let extra_fields = dictionary["extra_fields"] as AnyObject
+            var extra_fields_parsed:[String: Any]
+            
+            let json = extra_fields.data(using: String.Encoding.utf8.rawValue)
+            do {
+                if let jsonArray = try JSONSerialization.jsonObject(with: json!, options: .allowFragments) as? [String:AnyObject]
+                {
+                    extra_fields_parsed = jsonArray;
+                    self.subcategory = extra_fields_parsed["subcategory"] as? String? ?? ""
+                } else {
+                    self.subcategory = ""
+                    print("bad json")
+                }
+            } catch let error as NSError {
+                self.subcategory = ""
+                print(error)
+            }
+            
+        }
+    }
+
+    public class CampaignDataModel {
+        var data: Array<CampaignItemModel> = []
+
+        init() { //initializer method
+            let instanceOfMyApi = MyApi()
+            let products = instanceOfMyApi.getInbox() as NSMutableArray?
+            
+            var giftsArray:Array<CampaignItemModel> = []
+
+            
+            for gift in products ?? [] {
+                let tempGift = CampaignItemModel(dictionary: gift as! [String : Any])
+                giftsArray.append(tempGift)
+            }
+            
+            self.data = giftsArray;
+            
+        }
+
+        var getData: Array<CampaignItemModel> {
+            get { // getter
+                return data
+            }
+        }
+    }
+    
+    public func getCampaigns() -> Array<CampaignItemModel> {
+        return CampaignDataModel().getData
+    }
 }