WORKS

HackIllinois: QR.xcworkspace/xcuserdata/ymostofi.xcuserdatad/xcdebugger/Breakpoints_v2.xcbkptlist

@@ -101,11 +101,11 @@
             ignoreCount = "0"
             continueAfterRunningActions = "No"
             filePath = "HackIllinois: QR/ScanViewController.swift"
-            timestampString = "508795814.607108"
+            timestampString = "509007188.377517"
             startingColumnNumber = "9223372036854775807"
             endingColumnNumber = "9223372036854775807"
-            startingLineNumber = "37"
-            endingLineNumber = "37"
+            startingLineNumber = "61"
+            endingLineNumber = "61"
             landmarkName = "viewDidLoad()"
             landmarkType = "7">
          </BreakpointContent>

HackIllinois: QR/ScanViewController.swift

@@ -12,24 +12,48 @@ import SwiftQRCode
 import Alamofire
 import Foundation
 
-
 class ScanViewController: UIViewController {
     let scanner = QRCode()
+    var login_session:String = ""
 
     override func viewDidLoad() {
         super.viewDidLoad()
         print("other view loaded")
-
+        let preferences = UserDefaults.standard
+        if preferences.object(forKey: "session") != nil {
+            self.login_session = preferences.object(forKey: "session") as! String
+        }
         scanner.prepareScan(view) { (stringValue) -> () in
             print(stringValue)
             self.scanner.stopScan()
-            let alert = UIAlertController(title: "data", message: stringValue, preferredStyle: .alert)
-            let okayAction = UIAlertAction(title: "okay", style: .default) { [weak self] (_) in
-                self?.scanner.startScan()
-            }
-            alert.addAction(okayAction)
-            DispatchQueue.main.async { [weak self] in
-                self?.present(alert, animated: true) {
+            print(self.login_session)
+
+            let headers: HTTPHeaders = [
+                "Authorization": self.login_session
+            ]
+//            Alamofire.request("https://api.hackillinois.org/v1/tracking/"+stringValue, headers: headers).responseJSON { response in
+//                print(response)
+//            }
+            Alamofire.request("https://api.hackillinois.org/v1/tracking/"+stringValue,
+                headers: headers).validate().responseJSON { response in
+                var message:String = ""
+                var title:String = ""
+                switch response.result {
+                    case .success:
+                        message = "Attendee can participate"
+                        title = "Success!"
+                    case .failure:
+                        message = "Attendee has already participated"
+                        title = "ERROR!"
+                }
+                let alert = UIAlertController(title: title, message: message, preferredStyle: .alert)
+                let okayAction = UIAlertAction(title: "Okay", style: .default) { [weak self] (_) in
+                    self?.scanner.startScan()
+                }
+                alert.addAction(okayAction)
+                DispatchQueue.main.async { [weak self] in
+                    self?.present(alert, animated: true) {
+                    }
                 }
             }
         }

HackIllinois: QR/ViewController.swift

@@ -11,6 +11,7 @@ import AVFoundation
 import SwiftQRCode
 import Alamofire
 import Foundation
+import SwiftyJSON
 
 class ViewController: UIViewController {
     @IBOutlet var email_input: UITextField!
@@ -61,9 +62,6 @@ class ViewController: UIViewController {
         if preferences.object(forKey: "session") != nil
         {
             login_session = preferences.object(forKey: "session") as! String
-            check_session(key: login_session)
-//            scanner.startScan()
-            performSegue(withIdentifier: "ShowScanner", sender: self)
         }
         else {
             let parameters: Parameters = [
@@ -80,15 +78,26 @@ class ViewController: UIViewController {
                                 self?.login_session = authKey
                                 let preferences = UserDefaults.standard
                                 preferences.set(authKey, forKey: "session")
-//                                print(authKey)
-//                                self.scanner.startScan()
-                                self?.performSegue(withIdentifier: "ShowScanner", sender: self)
                             }
                         }
                     }
                 }
             }
         }
+        check_session(key: login_session)
+        let role = check_permissions(key: login_session)
+        if (role == "SCAN" || role == "ALL") {
+            performSegue(withIdentifier: "ShowScanner", sender: self)
+        }
+        else {
+            let alert = UIAlertController(title: "Error", message: "Permissions error", preferredStyle: .alert)
+            let okayAction = UIAlertAction(title: "Okay", style: .default)
+            alert.addAction(okayAction)
+            DispatchQueue.main.async { [weak self] in
+                self?.present(alert, animated: true) {
+                }
+            }
+        }
     }
 
     func check_session(key: String) {
@@ -112,6 +121,28 @@ class ViewController: UIViewController {
         }
     }
 
+    func check_permissions(key: String) -> String {
+        if let data = Data(base64Encoded: key.components(separatedBy: ".")[1]) {
+            let json = JSON(data)
+            // if voluteer, staff, or admin, they can scan
+            // if admin, they can also create events
+            let role = json["roles"].arrayValue[0]["role"].stringValue
+            if (role == "STAFF" || role == "VOLUNTEER") {
+                return "SCAN"
+            }
+            else if (role == "ADMIN")
+            {
+                return "ALL"
+            }
+            else {
+                return "NONE"
+            }
+        }
+        else {
+            return "NONE"
+        }
+    }
+
 
     override func viewDidAppear(_ animated: Bool) {
         super.viewDidAppear(animated)
@@ -121,7 +152,5 @@ class ViewController: UIViewController {
         super.didReceiveMemoryWarning()
         // Dispose of any resources that can be recreated.
     }
-
-
 }
 

Podfile

@@ -7,7 +7,7 @@ target 'HackIllinois: QR' do
 
     pod 'SwiftQRCode'
     pod 'Alamofire'
-
+    pod 'SwiftyJSON'
 
     # Pods for HackIllinois: QR
     target 'HackIllinois: QRTests' do

Podfile.lock

@@ -1,15 +1,18 @@
 PODS:
   - Alamofire (4.3.0)
   - SwiftQRCode (3.0.2)
+  - SwiftyJSON (3.1.4)
 
 DEPENDENCIES:
   - Alamofire
   - SwiftQRCode
+  - SwiftyJSON
 
 SPEC CHECKSUMS:
   Alamofire: 856a113053a7bc9cbe5d6367a555d773fc5cfef7
   SwiftQRCode: 280589699d84195c2c573011aa52f2c015c31c34
+  SwiftyJSON: c2842d878f95482ffceec5709abc3d05680c0220
 
-PODFILE CHECKSUM: 3137f185b914865aceba965eb0ea5375283c41e9
+PODFILE CHECKSUM: 87c148bddd69768669c938e766f45d5299b6e25a
 
 COCOAPODS: 1.2.0