NextOffet Value is Handled for Retrieve Subscriptions API

Chargebee/Classes/Configuration/Chargebee.swift

@@ -39,10 +39,20 @@ public class Chargebee {
         CBSubscriptionManager().retrieveSubscription(network: request, logger: logger, handler: handler)
     }
 
+
+    @available(*, deprecated, message: "This will be removed in upcoming versions, Please use this API func retrieveSubscriptions(queryParams: [String: String]? = nil, handler: @escaping RetrieveSubscriptionHandler)")
     public func retrieveSubscriptions(queryParams: [String: String]? = nil, handler: @escaping SubscriptionHandler) {
         let logger = CBLogger(name: "Subscription", action: "Fetch Subscription using customerId")
         logger.info()
+
+        let request = CBAPIRequest(resource: SubscriptionResource(queryParams: queryParams))
+        CBSubscriptionManager().retrieveSubscriptions(network: request, logger: logger, handler: handler)
+    }
 
+    public func retrieveSubscriptions(queryParams: [String: String]? = nil, handler: @escaping RetrieveSubscriptionHandler) {
+        let logger = CBLogger(name: "Subscription", action: "Fetch Subscription using customerId")
+        logger.info()
+
         let request = CBAPIRequest(resource: SubscriptionResource(queryParams: queryParams))
         CBSubscriptionManager().retrieveSubscriptions(network: request, logger: logger, handler: handler)
     }

Chargebee/Classes/Subscription/CBSubscription.swift

@@ -19,7 +19,7 @@ public struct SubscriptionList: Codable {
 
 public struct CBSubscriptionWrapper: Codable {
     public let list: [SubscriptionList]
-    public  let nextOffset: [String]?
+    public  let nextOffset: String?
     enum CodingKeys: String, CodingKey {
         case nextOffset = "next_offset"
         case list
@@ -58,6 +58,8 @@ public struct Subscription: Codable {
 
 public typealias CBSubscriptionHandler = (CBResult<Subscription>) -> Void
 public typealias SubscriptionHandler   = (CBResult<[SubscriptionList]>) -> Void
+public typealias RetrieveSubscriptionHandler   = (CBResult<CBSubscriptionWrapper>) -> Void
+
 
 class CBSubscriptionManager {
     func retrieveSubscription<T: CBNetworkRequest>(network: T, logger: CBLogger, handler: @escaping CBSubscriptionHandler) {
@@ -75,7 +77,7 @@ class CBSubscriptionManager {
             if let data = status as? CBSubscriptionWrapper {
                 if data.list.isEmpty {
                     onError(CBError.defaultSytemError(statusCode: 404, message: "Subscription Not found"))
-                }else {
+                }else{
                     onSuccess(data.list)
                 }
             } else {
@@ -85,6 +87,21 @@ class CBSubscriptionManager {
         }, onError: onError)
     }
 
+    func retrieveSubscriptions<T: CBNetworkRequest>(network: T, logger: CBLogger, handler: @escaping RetrieveSubscriptionHandler) {
+        let (onSuccess, onError) = CBResult.buildResultHandlers(handler, logger)
+        network.load(withCompletion: { status in
+            if let data = status as? CBSubscriptionWrapper {
+                if data.list.isEmpty {
+                    onError(CBError.defaultSytemError(statusCode: 404, message: "Subscription Not found"))
+                }else {
+                    onSuccess(data)
+                }
+            } else {
+                onError(CBError.defaultSytemError(statusCode: 480, message: "json serialization failure"))
+            }
+
+        }, onError: onError)
+    }
 }
 
 extension String {

Example/Chargebee/CBSDKSubscriptionStatusViewController.swift

@@ -57,37 +57,85 @@ final class CBSDKSubscriptionStatusViewController: UIViewController {
     }
 
     @IBAction func getStatusUsingCustomerId(_ sender: Any) {
-        self.view.activityStartAnimating(activityColor: UIColor.white, backgroundColor: UIColor.black.withAlphaComponent(0.5))
-
+        callRetreiveSubscriptions()
+    }
+
+    func callRetreiveSubscriptions(){
+        self.activityStartAnimating()
+        guard let id = subscriptioniDTextField.text, id.isNotEmpty else {
+            return
+        }
+        Chargebee.shared.retrieveSubscriptions(queryParams: ["customer_id": id,"offset":""]) { result in
+            switch result {
+            case let .success(result):
+                debugPrint("Subscription Status Fetched: \(result)")
+                if let value = result.nextOffset {
+                    let offset = value
+                    DispatchQueue.main.async {
+                        self.getSubcription(offset: offset)
+                    }
+                }else{
+                    DispatchQueue.main.async {
+                        if  let status = result.list.first?.subscription.status, let amount = result.list.first?.subscription.planAmount {
+                            let alertController = UIAlertController(title: "Chargebee", message: "Status :\(status)\n Plan amount:\(amount).", preferredStyle: .alert)
+                            alertController.addAction(UIAlertAction(title: "OK", style: .default, handler: nil))
+                            self.present(alertController, animated: true, completion: nil)
+                        }
+                    }
+                }
+                self.activityStopAnimating()
+            case let .error(error):
+                debugPrint("Error Fetched: \(error)")
+                self.showError(error: error)
+            }
+        }
+    }
+
+    func getSubcription(offset: String){
+        self.activityStartAnimating()
         guard let id = subscriptioniDTextField.text, id.isNotEmpty else {
             return
         }
-        //Sample Query Params
-        //subscription_id ="id"
-        //status = "active"
-        Chargebee.shared.retrieveSubscriptions(queryParams: ["customer_id": id]) { result in
+
+        Chargebee.shared.retrieveSubscriptions(queryParams: ["customer_id": id,"offset":offset]) { result in
             switch result {
             case let .success(result):
                 debugPrint("Subscription Status Fetched: \(result)")
                 DispatchQueue.main.async {
-                    if  let status = result.first?.subscription.status, let amount = result.first?.subscription.planAmount {
+                    if  let status = result.list.first?.subscription.status, let amount = result.list.first?.subscription.planAmount {
                         let alertController = UIAlertController(title: "Chargebee", message: "Status :\(status)\n Plan amount:\(amount).", preferredStyle: .alert)
                         alertController.addAction(UIAlertAction(title: "OK", style: .default, handler: nil))
                         self.present(alertController, animated: true, completion: nil)
                     }
-                    self.view.activityStopAnimating()
                 }
+                self.activityStopAnimating()
             case let .error(error):
                 debugPrint("Error Fetched: \(error)")
-                DispatchQueue.main.async {
-                    self.view.activityStopAnimating()
-                    self.statusLabel.text = error.localizedDescription
-                    self.subscriptioniDTextField.resignFirstResponder()
-
-                }
+                self.showError(error: error)
+
             }
         }
     }
+
+    func activityStartAnimating(){
+        DispatchQueue.main.async {
+            self.view.activityStartAnimating(activityColor: UIColor.white, backgroundColor: UIColor.black.withAlphaComponent(0.5))
+        }
+    }
+    func activityStopAnimating(){
+        DispatchQueue.main.async {
+            self.view.activityStopAnimating()
+        }
+    }
+
+    func showError(error:Error){
+        DispatchQueue.main.async {
+            self.view.activityStopAnimating()
+            self.statusLabel.text = error.localizedDescription
+            self.subscriptioniDTextField.resignFirstResponder()
+        }
+        self.activityStopAnimating()
+    }
     @IBAction private func textFieldDidEndEdit(_ sender: UITextField) {
         enableFetchButton(shouldEnable: sender.isNotEmpty)
     }