DHBW-Service.xcodeproj/project.pbxproj

@@ -16,7 +16,6 @@
 		CD730A35259A860E00E0BB69 /* SettingsAcknowledgements.swift in Sources */ = {isa = PBXBuildFile; fileRef = CD730A34259A860E00E0BB69 /* SettingsAcknowledgements.swift */; };
 		CD8555BE25C47AE500C4ACD6 /* RaPlaFetcher.swift in Sources */ = {isa = PBXBuildFile; fileRef = CD8555BD25C47AE500C4ACD6 /* RaPlaFetcher.swift */; };
 		CD8555C325C47B5300C4ACD6 /* ApiService.swift in Sources */ = {isa = PBXBuildFile; fileRef = CD8555C225C47B5300C4ACD6 /* ApiService.swift */; };
-		CD9E3F0F25DC466100C77D10 /* SettingsPushNotifications.swift in Sources */ = {isa = PBXBuildFile; fileRef = CD9E3F0E25DC466100C77D10 /* SettingsPushNotifications.swift */; };
 		CD9FAB81258EC60200D6D0C5 /* DHBW_ServiceApp.swift in Sources */ = {isa = PBXBuildFile; fileRef = CD9FAB80258EC60200D6D0C5 /* DHBW_ServiceApp.swift */; };
 		CD9FAB83258EC60200D6D0C5 /* ContentView.swift in Sources */ = {isa = PBXBuildFile; fileRef = CD9FAB82258EC60200D6D0C5 /* ContentView.swift */; };
 		CD9FAB85258EC60600D6D0C5 /* Assets.xcassets in Resources */ = {isa = PBXBuildFile; fileRef = CD9FAB84258EC60600D6D0C5 /* Assets.xcassets */; };
@@ -70,8 +69,6 @@
 		CD730A34259A860E00E0BB69 /* SettingsAcknowledgements.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = SettingsAcknowledgements.swift; sourceTree = "<group>"; };
 		CD8555BD25C47AE500C4ACD6 /* RaPlaFetcher.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = RaPlaFetcher.swift; sourceTree = "<group>"; };
 		CD8555C225C47B5300C4ACD6 /* ApiService.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = ApiService.swift; sourceTree = "<group>"; };
-		CD9E3F0A25DC3C9A00C77D10 /* DHBW-Service.entitlements */ = {isa = PBXFileReference; lastKnownFileType = text.plist.entitlements; path = "DHBW-Service.entitlements"; sourceTree = "<group>"; };
-		CD9E3F0E25DC466100C77D10 /* SettingsPushNotifications.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = SettingsPushNotifications.swift; sourceTree = "<group>"; };
 		CD9FAB7D258EC60200D6D0C5 /* DHBW-Service.app */ = {isa = PBXFileReference; explicitFileType = wrapper.application; includeInIndex = 0; path = "DHBW-Service.app"; sourceTree = BUILT_PRODUCTS_DIR; };
 		CD9FAB80258EC60200D6D0C5 /* DHBW_ServiceApp.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = DHBW_ServiceApp.swift; sourceTree = "<group>"; };
 		CD9FAB82258EC60200D6D0C5 /* ContentView.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = ContentView.swift; sourceTree = "<group>"; };
@@ -182,7 +179,6 @@
 			isa = PBXGroup;
 			children = (
 				CD730A34259A860E00E0BB69 /* SettingsAcknowledgements.swift */,
-				CD9E3F0E25DC466100C77D10 /* SettingsPushNotifications.swift */,
 			);
 			path = SettingsSubViews;
 			sourceTree = "<group>";
@@ -210,7 +206,6 @@
 		CD9FAB7F258EC60200D6D0C5 /* DHBW-Service */ = {
 			isa = PBXGroup;
 			children = (
-				CD9E3F0A25DC3C9A00C77D10 /* DHBW-Service.entitlements */,
 				CDCD720F25912D3C00FBF2F5 /* App */,
 				CDCD721025912D4900FBF2F5 /* Views */,
 				CDDCF4792591FE410027CDC5 /* Utility */,
@@ -480,7 +475,6 @@
 				CD9FAB8A258EC60600D6D0C5 /* Persistence.swift in Sources */,
 				CD730A35259A860E00E0BB69 /* SettingsAcknowledgements.swift in Sources */,
 				CD9FAB83258EC60200D6D0C5 /* ContentView.swift in Sources */,
-				CD9E3F0F25DC466100C77D10 /* SettingsPushNotifications.swift in Sources */,
 				CDCD72242591316500FBF2F5 /* LocalSettings.swift in Sources */,
 				CDD970E125D453D90061755E /* RaPlaEvent+CoreDataClass.swift in Sources */,
 				CDD970DD25D453D90061755E /* User+CoreDataClass.swift in Sources */,
@@ -681,11 +675,8 @@
 		CD9FABA8258EC60600D6D0C5 /* Debug */ = {
 			isa = XCBuildConfiguration;
 			buildSettings = {
-				ASSETCATALOG_COMPILER_APPICON_NAME = AppIcon;
 				ASSETCATALOG_COMPILER_GLOBAL_ACCENT_COLOR_NAME = AccentColor;
-				CODE_SIGN_ENTITLEMENTS = "DHBW-Service/DHBW-Service.entitlements";
 				CODE_SIGN_STYLE = Automatic;
-				CURRENT_PROJECT_VERSION = 1.0.1;
 				DEVELOPMENT_ASSET_PATHS = "\"DHBW-Service/Preview Content\"";
 				DEVELOPMENT_TEAM = HS7KNT4MZ2;
 				ENABLE_PREVIEWS = YES;
@@ -705,11 +696,8 @@
 		CD9FABA9258EC60600D6D0C5 /* Release */ = {
 			isa = XCBuildConfiguration;
 			buildSettings = {
-				ASSETCATALOG_COMPILER_APPICON_NAME = AppIcon;
 				ASSETCATALOG_COMPILER_GLOBAL_ACCENT_COLOR_NAME = AccentColor;
-				CODE_SIGN_ENTITLEMENTS = "DHBW-Service/DHBW-Service.entitlements";
 				CODE_SIGN_STYLE = Automatic;
-				CURRENT_PROJECT_VERSION = 1.0.1;
 				DEVELOPMENT_ASSET_PATHS = "\"DHBW-Service/Preview Content\"";
 				DEVELOPMENT_TEAM = HS7KNT4MZ2;
 				ENABLE_PREVIEWS = YES;

DHBW-Service/App/DHBW_ServiceApp.swift

@@ -6,11 +6,9 @@
 //
 
 import SwiftUI
-import UserNotifications
 
 @main
 struct DHBW_ServiceApp: App {
-    @UIApplicationDelegateAdaptor private var appDelegate: AppDelegate
     let persistenceController = PersistenceController.shared
     let settings = LocalSettings()
 
@@ -22,21 +20,3 @@ struct DHBW_ServiceApp: App {
         }
     }
 }
-
-//*** Implement App delegate ***//
-class AppDelegate: NSObject, UIApplicationDelegate {
-    func application(_ application: UIApplication, didFinishLaunchingWithOptions launchOptions: [UIApplication.LaunchOptionsKey : Any]? = nil) -> Bool {
-        return true
-    }
-    
-    //No callback in simulator
-    //-- must use device to get valid push token
-    func application(_ application: UIApplication, didRegisterForRemoteNotificationsWithDeviceToken deviceToken: Data)          {
-        let tokenParts = deviceToken.map { data in String(format: "%02.2hhx", data) }
-        let token = tokenParts.joined()
-        print("Device Token: \(token)")
-    }
-    func application(_ application: UIApplication, didFailToRegisterForRemoteNotificationsWithError error: Error) {
-        print(error.localizedDescription)
-    }
-}

DHBW-Service/CoreData/DHBW_Service.xcdatamodeld/DHBW_Service.xcdatamodel/contents

@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" standalone="yes"?>
-<model type="com.apple.IDECoreDataModeler.DataModel" documentVersion="1.0" lastSavedToolsVersion="17709" systemVersion="20E5172i" minimumToolsVersion="Automatic" sourceLanguage="Swift" usedWithCloudKit="YES" userDefinedModelVersionIdentifier="">
+<model type="com.apple.IDECoreDataModeler.DataModel" documentVersion="1.0" lastSavedToolsVersion="17709" systemVersion="20D62" minimumToolsVersion="Automatic" sourceLanguage="Swift" usedWithCloudKit="YES" userDefinedModelVersionIdentifier="">
     <entity name="Lecturer" representedClassName="Lecturer" syncable="YES">
         <attribute name="email" optional="YES" attributeType="String"/>
         <attribute name="name" optional="YES" attributeType="String"/>
@@ -20,11 +20,10 @@
         <attribute name="course" optional="YES" attributeType="String"/>
         <attribute name="director" optional="YES" attributeType="String"/>
         <attribute name="name" optional="YES" attributeType="String"/>
-        <attribute name="raplaLink" optional="YES" attributeType="String"/>
     </entity>
     <elements>
         <element name="Lecturer" positionX="-351" positionY="99" width="128" height="74"/>
         <element name="RaPlaEvent" positionX="-271.3642578125" positionY="83.64776611328125" width="128" height="164"/>
-        <element name="User" positionX="-428.6358032226562" positionY="2.067169189453125" width="128" height="89"/>
+        <element name="User" positionX="-428.6358032226562" positionY="2.067169189453125" width="128" height="74"/>
     </elements>
 </model>

DHBW-Service/CoreData/Persistence.swift

@@ -90,18 +90,6 @@ struct PersistenceController {
         normalEvent2.category = "Lehrveranstaltung"
         examEvent.category = "Prüfung"
         
-        
-        let lecturer1 = Lecturer(context: PersistenceController.shared.context)
-        let lecturer2 = Lecturer(context: PersistenceController.shared.context)
-        lecturer1.name = "Mustermann, Prof. Dr."
-        lecturer1.email = "mustermann@dhbw-karlsruhe.de"
-        lecturer2.name = "Musterfrau, Prof. Dr."
-        lecturer2.email = "musterfrau@dhbw-karlsruhe.de"
-        normalEvent1.addToLecturers(lecturer1)
-        normalEvent2.addToLecturers(lecturer2)
-        examEvent.addToLecturers(lecturer1)
-        examEvent.addToLecturers(lecturer2)
-        
         var currentDate = Date()
         currentDate.addTimeInterval(1*60*60);normalEvent1.startDate = currentDate
         currentDate.addTimeInterval(1*60*60);normalEvent2.startDate = currentDate

DHBW-Service/DHBW-Service.entitlements

@@ -1,8 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
-<plist version="1.0">
-<dict>
-	<key>aps-environment</key>
-	<string>development</string>
-</dict>
-</plist>

DHBW-Service/Supporting Files/Info.plist

@@ -20,22 +20,16 @@
 				<false/>
 			</dict>
 		</dict>
-	</dict>
+		<key>CFBundlePrimaryIcon</key>
-	<key>CFBundleIcons~ipad</key>
-	<dict>
-		<key>CFBundleAlternateIcons</key>
-		<dict>
-			<key>Alpaca-Alt-Icon</key>
 		<dict>
 			<key>CFBundleIconFiles</key>
 			<array>
-					<string>alpaca-alt-icon</string>
+				<string>dhbw-standard-icon</string>
 			</array>
 			<key>UIPrerenderedIcon</key>
 			<false/>
 		</dict>
 	</dict>
-	</dict>
 	<key>CFBundleIdentifier</key>
 	<string>$(PRODUCT_BUNDLE_IDENTIFIER)</string>
 	<key>CFBundleInfoDictionaryVersion</key>
@@ -47,9 +41,7 @@
 	<key>CFBundleShortVersionString</key>
 	<string>1.0</string>
 	<key>CFBundleVersion</key>
-	<string>$(CURRENT_PROJECT_VERSION)</string>
+	<string>1</string>
-	<key>ITSAppUsesNonExemptEncryption</key>
-	<false/>
 	<key>LSRequiresIPhoneOS</key>
 	<true/>
 	<key>UIApplicationSceneManifest</key>

DHBW-Service/Utility/RaPlaFetcher.swift

@@ -10,21 +10,14 @@ import CoreData
 
 class RaPlaFetcher {
     public class iCalEvent {
-        var startDate: Date = Date()    // DTSTART
+        var startDate: Date = Date()    //DTSTART
-        var endDate: Date = Date()      // DTEND
+        var endDate: Date = Date()      //DTEND
-        var summary: String = ""        // SUMMARY
+        var summary: String = ""        //SUMMARY
-        var description: String = ""    // DESCRIPTION
+        var description: String = ""    //DESCRIPTION
-        var location: String = ""       // LOCATION
+        var location: String = ""       //LOCATION
-        var category: String = ""       // CATEGORIES
+        var category: String = ""       //CATEGORIES
-        var uid: String = ""            // UID
+        var uid: String = ""            //UID
-        var lecturers: [LecturerObj] = []  // ATTENDEE
+        var lecturers: [LecturerObj] = []  //ATTENDEE
-        var excludedDates: [Date] = []  // EXDATE
-        var isRecurring: Bool = false   // If the event is recurring
-        var frequency: String = ""      // Frequence in case of recurring events, e.g. DAILY or WEEKLY
-        var recCount: Int = 0           // How often the event occurs in case of recurring events
-        var recInterval: Int = 0        // Interval of the recurring event, e.g. 1 for every week / day / ...
-        var recDay: String = ""         // The day of the recurrence, e.g. FR for friday
-        var recUntil: Date = Date()     // Until when the event has to be repeated
     }
     
     public class LecturerObj {
@@ -91,14 +84,7 @@ class RaPlaFetcher {
             for lineNr in 0...lines.count-1 {
                 if(lines[lineNr].hasPrefix(" ")){
                     lines[lineNr] = String(lines[lineNr].dropFirst())
-                    
+                    lines[lineNr-1].append(lines[lineNr])
-                    // If there are more than 2 lines that have to be merged, we need to find out how many lines we have to go up
-                    var goUp = 1
-                    while(lines[lineNr-goUp] == ""){
-                        goUp += 1
-                    }
-                    
-                    lines[lineNr-goUp].append(lines[lineNr])
                     lines[lineNr] = ""
                 }
             }
@@ -158,57 +144,6 @@ class RaPlaFetcher {
                     lecturer.email = lecturerEmail
                     
                     evt.lecturers.append(lecturer)
-                } else if(line.hasPrefix("RRULE")) {
-                    // This line normally looks like this:  RRULE:FREQ=WEEKLY;COUNT=12;INTERVAL=1;BYDAY=TU
-                    // Can also look smth like this though: RRULE:FREQ=WEEKLY;COUNT=12
-                    
-                    evt.isRecurring = true
-                    
-                    let params = lineWithoutPrefix.components(separatedBy: ";")
-                    
-                    for param in params {
-                        let keyword = param[param.startIndex..<param.firstIndex(of: "=")!]
-                        let value = param[param.index(param.firstIndex(of: "=")!, offsetBy: 1)..<param.endIndex]
-                        
-                        switch keyword {
-                        case "FREQ":
-                            evt.frequency = String(value)
-                            break
-                        case "COUNT":
-                            evt.recCount = Int(value)!
-                            break
-                        case "INTERVAL":
-                            evt.recInterval = Int(value)!
-                            break
-                        case "BYDAY":
-                            evt.recDay = String(value)
-                            break
-                        case "UNTIL":
-                            let dateFormatter = DateFormatter()
-                            dateFormatter.dateFormat = "yyyyMMdd"
-                            let date = dateFormatter.date(from: String(value))!
-                            evt.recUntil = date
-                            break
-                        default:
-                            print("Unknown parameter found: " + line)
-                        }
-                    }
-                } else if (line.hasPrefix("EXDATE")) {
-                    // Excluded from recurring events
-                    // Format: 20210401T133000,20210408T133000,20210513T133000
-                    
-                    let exclDateStrings = lineWithoutPrefix.components(separatedBy: ",")
-                    
-                    for exclDate in exclDateStrings {
-                        let dateFormatter = DateFormatter()
-                        if(lineWithoutPrefix.contains("Z")){
-                            dateFormatter.dateFormat = "yyyyMMdd'T'HHmmss'Z'"
-                        } else {
-                            dateFormatter.dateFormat = "yyyyMMdd'T'HHmmss"
-                        }
-                        let date = dateFormatter.date(from: exclDate)!
-                        evt.excludedDates.append(date)
-                    }
                 }
             }
             
@@ -221,125 +156,37 @@ class RaPlaFetcher {
     // Save the given iCalEvent objects to CoreData
     // Updates the events if they already exist and deletes old (/invalid) ones
     private class func saveToCoreData(eventObjects: [iCalEvent]) -> Bool{
-        // Get known UIDs
         let existingEvents: [RaPlaEvent] = RaPlaEvent.getAll()
         var existingEventsDict: [String:RaPlaEvent] = [:]
         for event in existingEvents {
             existingEventsDict[event.uid!] = event
         }
-        // List for new UIDs
+        let newEventUIDs = eventObjects.map{$0.uid}
-        var newEventUIDs: [String] = []
         
         for event in eventObjects {
             // If the event already exists locally, update it. Otherwise, create a new record
-            if(event.isRecurring){
-                // Create as many events as we need
-                // If we e.g. need 12 events, we create 0...11
-                for iteration in 0..<event.recCount {
-                    // Calculate start- and enddate
-                    // Calculate offset
-                    let offsetType: Calendar.Component
-                    let offsetAmount: Int
-                    
-                    switch event.frequency {
-                    case "DAILY":
-                        offsetType = Calendar.Component.day
-                        offsetAmount = 1
-                        break
-                    case "WEEKLY":
-                        offsetType = Calendar.Component.day
-                        offsetAmount = 7
-                        break
-                    case "MONTHLY":
-                        offsetType = Calendar.Component.month
-                        offsetAmount = 1
-                        break
-                    case "YEARLY":
-                        offsetType = Calendar.Component.year
-                        offsetAmount = 1
-                        break
-                    default:
-                        offsetType = Calendar.Component.day
-                        offsetAmount = 0
-                        print("Found unknown frequency: " + event.frequency)
-                    }
-                    
-                    let startDate = Calendar.current.date(byAdding: offsetType, value: (offsetAmount * iteration), to: event.startDate)!
-                    let endDate = Calendar.current.date(byAdding: offsetType, value: (offsetAmount * iteration), to: event.endDate)!
-                    
-                    // Check if this recurrence should be excluded
-                    if(event.excludedDates.contains(startDate)){
-                        continue
-                    }
-                    
-                    // Generate UID
-                    // Appending iteration to distinguish between recurring events
-                    let newUID = event.uid + "---" + String(iteration)
-                    
-                    // Create or update existing CoreData object
             let evt: RaPlaEvent
-                    if existingEventsDict.keys.contains(newUID) {
+            if existingEventsDict.keys.contains(event.uid) {
-                        evt = existingEventsDict[newUID]!
+                evt = existingEventsDict[event.uid]!
             } else {
                 evt = RaPlaEvent(context: PersistenceController.shared.context)
                 
                 // Set default values for new object
                 evt.isHidden = false
             }
-                    
-                    // Populate fields
-                    // (offsetAmount * iteration) because for the 1st event, we dont want to add an offset, and
-                    // for every event after that we want to add e.g. 1 week, 2 weeks, 3 weeks etc.
-                    evt.startDate = startDate
-                    evt.endDate = endDate
-                    evt.summary = event.summary
-                    evt.descr = event.description
-                    evt.location = event.location
-                    evt.category = event.category
-                    evt.uid = newUID
-                    for lecturer in event.lecturers {
-                        let lect = Lecturer(context: PersistenceController.shared.context)
-                        lect.name = lecturer.name
-                        lect.email = lecturer.email
-                        lect.event = evt
-                    }
-                    
-                    // Add UID to new UIDs list
-                    newEventUIDs.append(newUID)
-                }
-            } else {
-                // Generate UID
-                let newUID = event.uid + "---0"  // Appending ---0 to distinguish between recurring events
-                
-                // Create or update existing CoreData object
-                let evt: RaPlaEvent
-                if existingEventsDict.keys.contains(newUID) {
-                    evt = existingEventsDict[newUID]!
-                } else {
-                    evt = RaPlaEvent(context: PersistenceController.shared.context)
-                    
-                    // Set default values for new object
-                    evt.isHidden = false
-                }
-                
-                // Populate fields
             evt.startDate = event.startDate
             evt.endDate = event.endDate
             evt.summary = event.summary
             evt.descr = event.description
             evt.location = event.location
             evt.category = event.category
-                evt.uid = newUID
+            evt.uid = event.uid
             for lecturer in event.lecturers {
                 let lect = Lecturer(context: PersistenceController.shared.context)
                 lect.name = lecturer.name
                 lect.email = lecturer.email
                 lect.event = evt
             }
-                
-                // Add UID to new UIDs list
-                newEventUIDs.append(newUID)
-            }
         }
         
         // Now we also have to delete locally stored events that have been deleted from RaPla

DHBW-Service/Views/Other/FirstOpeningSettings.swift

@@ -11,10 +11,8 @@ import CoreData
 struct FirstOpeningSettings: View {
     @EnvironmentObject var settings: LocalSettings
     @State private var name = ""
-    @State private var dhbwLocation = ""
     @State private var course = ""
     @State private var director = ""
-    @State private var raplaLink = ""
     @State private var invalidInputName = false
     @State private var invalidInputCourse = false
     
@@ -30,18 +28,10 @@ struct FirstOpeningSettings: View {
                 .frame(minWidth: 200, idealWidth: nil, maxWidth: 500, minHeight: nil, idealHeight: nil, maxHeight: nil, alignment: .center)
                 .padding(.horizontal)
             
-            Picker(selection: self.$dhbwLocation, label: Text("Location")){
-                Text("Karlsruhe")
-                Text("Mannheim")
-                Text("Stuttgart")
-                Text("Mosbach")
-            }.frame(maxWidth: 500, alignment: .center)
-            .pickerStyle(SegmentedPickerStyle())
-            
             TextField("course".localized(tableName: "General"), text: self.$course)
                 .overlay(RoundedRectangle(cornerRadius: 10).stroke(invalidInputCourse ? Color.red : Color.secondary, lineWidth: 1))
                 .onChange(of: course, perform: { value in
-                    self.setCourseInfo()
+                    self.setDirector()
                     self.course = self.course.uppercased()
                 })
                 .foregroundColor(invalidInputCourse ? .red : .primary)
@@ -75,12 +65,10 @@ struct FirstOpeningSettings: View {
 }
 
 extension FirstOpeningSettings{
-    func setCourseInfo() {
+    func setDirector() {
-        // TODO: Replace this with some database query or stuff like this to load actual data
+        if (course == "TINF19B4") {
-        switch course {
-            case "TINF19B4":
             director = "Jörn Eisenbiegler"
-            default:
+        } else {
             director = ""
         }
     }

DHBW-Service/Views/Tabs/SettingsMain.swift

@@ -20,11 +20,6 @@ struct SettingsMain: View {
                         label: {
                             Text("Acknowledgements")
                         })
-                    NavigationLink(
-                        destination: SettingsPushNotifications(),
-                        label: {
-                            Text("Push Notifications")
-                        })
                     Button(action: {
                         self.showLogoutConfirmationAlert = true
                     }, label: {

DHBW-Service/Views/Tabs/SettingsSubViews/SettingsPushNotifications.swift

@@ -1,72 +0,0 @@
-//
-//  SettingsPushNotifications.swift
-//  DHBW-Service
-//
-//  Created by Patrick Müller on 16.02.21.
-//
-
-import SwiftUI
-
-struct SettingsPushNotifications: View {
-    @State private var notificationsEnabled = false
-    
-    var body: some View {
-        VStack {
-            Toggle(isOn: $notificationsEnabled) {
-                Text("Receive push notifications")
-            }
-            .frame(maxWidth: 500, alignment: .center)
-            
-            Button(action: {
-                scheduleTestNotification()
-            }){
-                Text("Test Notification")
-            }
-        }
-        .onChange(of: notificationsEnabled) { newVal in
-            if(newVal) {
-                enablePushService()
-            }
-        }
-    }
-}
-
-extension SettingsPushNotifications {
-    private func enablePushService() {
-        UNUserNotificationCenter.current().requestAuthorization(options: [.alert, .sound]) { (allowed, error) in
-            //This callback does not trigger on main loop be careful
-            if allowed {
-                print("Allowed")
-            
-                // Get token
-                DispatchQueue.main.async {
-                    UIApplication.shared.registerForRemoteNotifications()
-                }
-            } else {
-                print("Error")
-            }
-        }
-    }
-    
-    private func scheduleTestNotification() {
-        let content = UNMutableNotificationContent()
-        content.title = "Upcoming Exam"
-        content.subtitle = "Your exam in theoretical computer science 3 is one week from now."
-        content.sound = UNNotificationSound.default
-
-        // show this notification five seconds from now
-        let trigger = UNTimeIntervalNotificationTrigger(timeInterval: 10, repeats: false)
-
-        // choose a random identifier
-        let request = UNNotificationRequest(identifier: UUID().uuidString, content: content, trigger: trigger)
-
-        // add our notification request
-        UNUserNotificationCenter.current().add(request)
-    }
-}
-
-struct SettingsPushNotifications_Previews: PreviewProvider {
-    static var previews: some View {
-        SettingsPushNotifications()
-    }
-}