getMerchants failureCallback fix

@@ -2388,7 +2388,8 @@ public final class WarplySDK {
         uuid: String = "",
         uuid: String = "",
         distance: Int = 0,
         distance: Int = 0,
         parentUuids: [String] = [],
         parentUuids: [String] = [],
-        completion: @escaping ([MerchantModel]?) -> Void
+        completion: @escaping ([MerchantModel]?) -> Void,
+        failureCallback: @escaping (Int) -> Void
     ) {
     ) {
         // Handle language default inside the method
         // Handle language default inside the method
         let finalLanguage = language ?? self.applicationLocale
         let finalLanguage = language ?? self.applicationLocale
@@ -2435,7 +2436,7 @@ public final class WarplySDK {
                         dynatraceEvent._parameters = nil
                         dynatraceEvent._parameters = nil
                         self.postFrameworkEvent("dynatrace", sender: dynatraceEvent)
                         self.postFrameworkEvent("dynatrace", sender: dynatraceEvent)
                         
                         
-                        completion(merchantsArray)
+                        failureCallback(-1)
                     }
                     }
                 }
                 }
             } catch {
             } catch {
@@ -2445,7 +2446,11 @@ public final class WarplySDK {
                     dynatraceEvent._parameters = nil
                     dynatraceEvent._parameters = nil
                     self.postFrameworkEvent("dynatrace", sender: dynatraceEvent)
                     self.postFrameworkEvent("dynatrace", sender: dynatraceEvent)
                     
                     
-                    completion(nil)
+                    if let networkError = error as? NetworkError {
+                        failureCallback(networkError.code)
+                    } else {
+                        failureCallback(-1)
+                    }
                 }
                 }
             }
             }
         }
         }
@@ -2461,7 +2466,8 @@ public final class WarplySDK {
         uuid: String = "",
         uuid: String = "",
         distance: Int = 0,
         distance: Int = 0,
         parentUuids: [String] = [],
         parentUuids: [String] = [],
-        completion: @escaping ([MerchantModel]?) -> Void
+        completion: @escaping ([MerchantModel]?) -> Void,
+        failureCallback: @escaping (Int) -> Void = { _ in }
     ) {
     ) {
         // Call new method with nil language (will use applicationLocale)
         // Call new method with nil language (will use applicationLocale)
         getMerchants(
         getMerchants(
@@ -2473,7 +2479,8 @@ public final class WarplySDK {
             uuid: uuid,
             uuid: uuid,
             distance: distance,
             distance: distance,
             parentUuids: parentUuids,
             parentUuids: parentUuids,
-            completion: completion
+            completion: completion,
+            failureCallback: failureCallback
         )
         )
     }
     }
     
     
@@ -2612,14 +2619,18 @@ public final class WarplySDK {
                 tags: tags,
                 tags: tags,
                 uuid: uuid,
                 uuid: uuid,
                 distance: distance,
                 distance: distance,
-                parentUuids: parentUuids
-            ) { merchants in
+                parentUuids: parentUuids,
+                completion: { merchants in
                     if let merchants = merchants {
                     if let merchants = merchants {
                         continuation.resume(returning: merchants)
                         continuation.resume(returning: merchants)
                     } else {
                     } else {
                         continuation.resume(throwing: WarplyError.networkError)
                         continuation.resume(throwing: WarplyError.networkError)
                     }
                     }
+                },
+                failureCallback: { errorCode in
+                    continuation.resume(throwing: WarplyError.unknownError(errorCode))
                 }
                 }
+            )
         }
         }
     }
     }