add sorting to campaigns

@@ -179,7 +179,7 @@ public class swiftApi {
             self.description = dictionary["description"] as? String? ?? ""
             self.short_description = dictionary["short_description"] as? String? ?? ""
             self.discount = dictionary["discount"] as? String? ?? ""
-            self.sorting = dictionary["sorting"] as? Int? ?? nil
+            self.sorting = dictionary["sorting"] as? Int? ?? 0
             self.inner_text = dictionary["inner_text"] as? String? ?? ""
             self.buyable = dictionary["buyable"] as? Bool? ?? false
             self.visible = dictionary["visible"] as? Bool? ?? false
@@ -523,7 +523,7 @@ public class swiftApi {
             // self.campaign_type_settings = [String: Any]()
             self.couponset = ""
             self.type = ""
-            self.sorting = nil
+            self.sorting = 0
         }
 
         public init(dictionary: [String: Any]) {
@@ -537,7 +537,7 @@ public class swiftApi {
             self.message = dictionary["message"] as? String? ?? ""
             self.loyaltyPackageId = ""
             self.campaign_type = dictionary["campaign_type"] as? String? ?? ""
-            self.sorting = dictionary["sorting"] as? Int? ?? nil
+            self.sorting = dictionary["sorting"] as? Int? ?? 0
             
 //           let extra_fields = dictionary["extra_fields"] as? [String: Any]? ?? ["":""]
             if let extra_fields = dictionary["extra_fields"] as? [String: Any] {
@@ -745,7 +745,12 @@ public class swiftApi {
                     
                     return (!isCcmsOffer)
                 }
-                getCampaignsCallback(filteredCampaigns);
+
+                let sortedCampaigns = filteredCampaigns.sorted {
+                    $0._sorting < $1._sorting
+                }
+
+                getCampaignsCallback(sortedCampaigns);
             }
             
             func campaignsFailureCallback(_ error: Error?) -> Void {
@@ -810,7 +815,11 @@ public class swiftApi {
                             filteredCampaigns = filteredCampaigns.filter { $0.offer_category != "questionnaire" }
                         }
 
-                        getCampaignsCallback(filteredCampaigns);
+                        let sortedCampaigns = filteredCampaigns.sorted {
+                            $0._sorting < $1._sorting
+                        }
+
+                        getCampaignsCallback(sortedCampaigns);
                     })
                     
                 } else {
@@ -2760,7 +2769,11 @@ public class swiftApi {
         //     }
         // }
 
-        GlobalVariables.campaigns = campaigns
+        let sortedCampaigns = campaigns.sorted {
+            $0._sorting < $1._sorting
+        }
+        
+        GlobalVariables.campaigns = sortedCampaigns
     }
 
     
@@ -2900,7 +2913,11 @@ public class swiftApi {
         //     }
         // }
 
-        GlobalVariables.campaigns = campaigns
+        let sortedCampaigns = campaigns.sorted {
+            $0._sorting < $1._sorting
+        }
+        
+        GlobalVariables.campaigns = sortedCampaigns
     }