COVIDSafe code from version 1.1

CovidSafe/UploadHelper.swift

@@ -0,0 +1,71 @@
+//
+//  UploadHelper.swift
+//  CovidSafe
+//
+//  Copyright © 2020 Australian Government. All rights reserved.
+//
+
+import UIKit
+import CoreData
+import KeychainSwift
+
+final class UploadHelper {
+    
+    public static func uploadEncounterData(pin: String?, _ result: @escaping (UploadResult) -> Void) {
+        let keychain = KeychainSwift()
+        guard let appDelegate = UIApplication.shared.delegate as? AppDelegate else {
+            return
+        }
+        
+        let managedContext = appDelegate.persistentContainer.viewContext
+        
+        let recordsFetchRequest: NSFetchRequest<Encounter> = Encounter.fetchRequestForRecords()
+        
+        managedContext.perform {
+            guard let records = try? recordsFetchRequest.execute() else {
+                DLog("Error fetching records")
+                result(.Failed)
+                return
+            }
+            
+            let data = UploadFileData(records: records)
+
+            let encoder = JSONEncoder()
+            guard let json = try? encoder.encode(data) else {
+                DLog("Error serializing data")
+                result(.Failed)
+                return
+            }
+
+            guard let jwt = keychain.get("JWT_TOKEN") else {
+                DLog("Error trying to upload when not logged in")
+                result(.Failed)
+                return
+            }
+            InitiateUploadAPI.initiateUploadAPI(session: jwt, pin: pin) { (uploadResponse, error) in
+                guard error == nil else {
+                    if (error == .ExpireSession) {
+                        result(.SessionExpired)
+                        return
+                    }
+                    result(.InvalidCode)
+                    return
+                }
+
+                guard let response = uploadResponse else {
+                    // if we fail to get a link back then the otp was potentially invalid
+                    result(.InvalidCode)
+                    return
+                }
+                DataUploadS3.uploadJSONData(data: json, presignedUrl: response.UploadLink) { (isSuccessful, error) in
+                    guard isSuccessful else {
+                        DLog("Error uploading file - \(String(describing: error))")
+                        result(.FailedUpload)
+                        return
+                    }
+                    result(.Success)
+                }
+            }
+        }
+    }
+}