♻️ Refactored CoreData access

- Also adding lecturer entity and relationship between event and lecturers.
- Preparation for CoreData refactoring

DHBW-Service.xcodeproj/project.pbxproj

@@ -12,6 +12,7 @@
 		CD2FC0C625A869FE00963178 /* dhbw-standard-icon@3x.png in Resources */ = {isa = PBXBuildFile; fileRef = CD2FC0C125A869FE00963178 /* dhbw-standard-icon@3x.png */; };
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 		CD2FC0C825A869FE00963178 /* alpaca-alt-icon@3x.png in Resources */ = {isa = PBXBuildFile; fileRef = CD2FC0C425A869FE00963178 /* alpaca-alt-icon@3x.png */; };
+		CD67FB2A25D45A3300069CDB /* RaPlaEvent+CoreDataProperties.swift in Sources */ = {isa = PBXBuildFile; fileRef = CD67FB2925D45A3300069CDB /* RaPlaEvent+CoreDataProperties.swift */; };
 		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 */; };
@@ -23,10 +24,15 @@
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 		CD9FAB98258EC60600D6D0C5 /* DHBW_ServiceTests.swift in Sources */ = {isa = PBXBuildFile; fileRef = CD9FAB97258EC60600D6D0C5 /* DHBW_ServiceTests.swift */; };
 		CD9FABA3258EC60600D6D0C5 /* DHBW_ServiceUITests.swift in Sources */ = {isa = PBXBuildFile; fileRef = CD9FABA2258EC60600D6D0C5 /* DHBW_ServiceUITests.swift */; };
+		CDA1CBAE25D4591000DB2AE5 /* User+CoreDataProperties.swift in Sources */ = {isa = PBXBuildFile; fileRef = CDA1CBA825D4591000DB2AE5 /* User+CoreDataProperties.swift */; };
+		CDA1CBB025D4591000DB2AE5 /* Lecturer+CoreDataProperties.swift in Sources */ = {isa = PBXBuildFile; fileRef = CDA1CBAA25D4591000DB2AE5 /* Lecturer+CoreDataProperties.swift */; };
 		CDCD721A25912E1200FBF2F5 /* HomeView.swift in Sources */ = {isa = PBXBuildFile; fileRef = CDCD721925912E1200FBF2F5 /* HomeView.swift */; };
 		CDCD72242591316500FBF2F5 /* LocalSettings.swift in Sources */ = {isa = PBXBuildFile; fileRef = CDCD72232591316500FBF2F5 /* LocalSettings.swift */; };
 		CDCD7230259135C500FBF2F5 /* FirstOpeningSettings.swift in Sources */ = {isa = PBXBuildFile; fileRef = CDCD722F259135C500FBF2F5 /* FirstOpeningSettings.swift */; };
 		CDD39B4B259A64150078D05F /* SettingsMain.swift in Sources */ = {isa = PBXBuildFile; fileRef = CDD39B4A259A64150078D05F /* SettingsMain.swift */; };
+		CDD970DD25D453D90061755E /* User+CoreDataClass.swift in Sources */ = {isa = PBXBuildFile; fileRef = CDD970D725D453D90061755E /* User+CoreDataClass.swift */; };
+		CDD970DF25D453D90061755E /* Lecturer+CoreDataClass.swift in Sources */ = {isa = PBXBuildFile; fileRef = CDD970D925D453D90061755E /* Lecturer+CoreDataClass.swift */; };
+		CDD970E125D453D90061755E /* RaPlaEvent+CoreDataClass.swift in Sources */ = {isa = PBXBuildFile; fileRef = CDD970DB25D453D90061755E /* RaPlaEvent+CoreDataClass.swift */; };
 		CDDCF47B2591FE550027CDC5 /* UtilityFunctions.swift in Sources */ = {isa = PBXBuildFile; fileRef = CDDCF47A2591FE550027CDC5 /* UtilityFunctions.swift */; };
 		CDDCF4842592028A0027CDC5 /* Localizer.swift in Sources */ = {isa = PBXBuildFile; fileRef = CDDCF4832592028A0027CDC5 /* Localizer.swift */; };
 		CDDCF493259203390027CDC5 /* Localizable.strings in Resources */ = {isa = PBXBuildFile; fileRef = CDDCF495259203390027CDC5 /* Localizable.strings */; };
@@ -59,6 +65,7 @@
 		CD2FC0C125A869FE00963178 /* dhbw-standard-icon@3x.png */ = {isa = PBXFileReference; lastKnownFileType = image.png; path = "dhbw-standard-icon@3x.png"; sourceTree = "<group>"; };
 		CD2FC0C325A869FE00963178 /* alpaca-alt-icon@2x.png */ = {isa = PBXFileReference; lastKnownFileType = image.png; path = "alpaca-alt-icon@2x.png"; sourceTree = "<group>"; };
 		CD2FC0C425A869FE00963178 /* alpaca-alt-icon@3x.png */ = {isa = PBXFileReference; lastKnownFileType = image.png; path = "alpaca-alt-icon@3x.png"; sourceTree = "<group>"; };
+		CD67FB2925D45A3300069CDB /* RaPlaEvent+CoreDataProperties.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = "RaPlaEvent+CoreDataProperties.swift"; sourceTree = "<group>"; };
 		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>"; };
@@ -76,10 +83,15 @@
 		CD9FAB9E258EC60600D6D0C5 /* DHBW-ServiceUITests.xctest */ = {isa = PBXFileReference; explicitFileType = wrapper.cfbundle; includeInIndex = 0; path = "DHBW-ServiceUITests.xctest"; sourceTree = BUILT_PRODUCTS_DIR; };
 		CD9FABA2258EC60600D6D0C5 /* DHBW_ServiceUITests.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = DHBW_ServiceUITests.swift; sourceTree = "<group>"; };
 		CD9FABA4258EC60600D6D0C5 /* Info.plist */ = {isa = PBXFileReference; lastKnownFileType = text.plist.xml; path = Info.plist; sourceTree = "<group>"; };
+		CDA1CBA825D4591000DB2AE5 /* User+CoreDataProperties.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; name = "User+CoreDataProperties.swift"; path = "DHBW-Service/CoreData/Models/User+CoreDataProperties.swift"; sourceTree = SOURCE_ROOT; };
+		CDA1CBAA25D4591000DB2AE5 /* Lecturer+CoreDataProperties.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; name = "Lecturer+CoreDataProperties.swift"; path = "DHBW-Service/CoreData/Models/Lecturer+CoreDataProperties.swift"; sourceTree = SOURCE_ROOT; };
 		CDCD721925912E1200FBF2F5 /* HomeView.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = HomeView.swift; sourceTree = "<group>"; };
 		CDCD72232591316500FBF2F5 /* LocalSettings.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = LocalSettings.swift; sourceTree = "<group>"; };
 		CDCD722F259135C500FBF2F5 /* FirstOpeningSettings.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = FirstOpeningSettings.swift; sourceTree = "<group>"; };
 		CDD39B4A259A64150078D05F /* SettingsMain.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = SettingsMain.swift; sourceTree = "<group>"; };
+		CDD970D725D453D90061755E /* User+CoreDataClass.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = "User+CoreDataClass.swift"; sourceTree = "<group>"; };
+		CDD970D925D453D90061755E /* Lecturer+CoreDataClass.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = "Lecturer+CoreDataClass.swift"; sourceTree = "<group>"; };
+		CDD970DB25D453D90061755E /* RaPlaEvent+CoreDataClass.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = "RaPlaEvent+CoreDataClass.swift"; sourceTree = "<group>"; };
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 		CDDCF494259203390027CDC5 /* en */ = {isa = PBXFileReference; lastKnownFileType = text.plist.strings; name = en; path = en.lproj/Localizable.strings; sourceTree = "<group>"; };
@@ -115,6 +127,19 @@
 /* End PBXFrameworksBuildPhase section */
 
 /* Begin PBXGroup section */
+		CD1ED26325D33B590030B647 /* Models */ = {
+			isa = PBXGroup;
+			children = (
+				CDD970D925D453D90061755E /* Lecturer+CoreDataClass.swift */,
+				CDA1CBAA25D4591000DB2AE5 /* Lecturer+CoreDataProperties.swift */,
+				CDD970DB25D453D90061755E /* RaPlaEvent+CoreDataClass.swift */,
+				CD67FB2925D45A3300069CDB /* RaPlaEvent+CoreDataProperties.swift */,
+				CDD970D725D453D90061755E /* User+CoreDataClass.swift */,
+				CDA1CBA825D4591000DB2AE5 /* User+CoreDataProperties.swift */,
+			);
+			path = Models;
+			sourceTree = "<group>";
+		};
 		CD2FC0BD25A869F000963178 /* res */ = {
 			isa = PBXGroup;
 			children = (
@@ -239,6 +264,7 @@
 		CDCD721125912D5400FBF2F5 /* CoreData */ = {
 			isa = PBXGroup;
 			children = (
+				CD1ED26325D33B590030B647 /* Models */,
 				CD9FAB8B258EC60600D6D0C5 /* DHBW_Service.xcdatamodeld */,
 				CD9FAB89258EC60600D6D0C5 /* Persistence.swift */,
 			);
@@ -443,19 +469,25 @@
 			buildActionMask = 2147483647;
 			files = (
 				CDDCF4842592028A0027CDC5 /* Localizer.swift in Sources */,
+				CDD970DF25D453D90061755E /* Lecturer+CoreDataClass.swift in Sources */,
 				CDCD7230259135C500FBF2F5 /* FirstOpeningSettings.swift in Sources */,
+				CDA1CBB025D4591000DB2AE5 /* Lecturer+CoreDataProperties.swift in Sources */,
 				CD9FAB8A258EC60600D6D0C5 /* Persistence.swift in Sources */,
 				CD730A35259A860E00E0BB69 /* SettingsAcknowledgements.swift in Sources */,
 				CD9FAB83258EC60200D6D0C5 /* ContentView.swift in Sources */,
 				CDCD72242591316500FBF2F5 /* LocalSettings.swift in Sources */,
+				CDD970E125D453D90061755E /* RaPlaEvent+CoreDataClass.swift in Sources */,
+				CDD970DD25D453D90061755E /* User+CoreDataClass.swift in Sources */,
 				CD8555BE25C47AE500C4ACD6 /* RaPlaFetcher.swift in Sources */,
 				CDEA70C025C85999001CFE28 /* LecturePlanItem.swift in Sources */,
 				CD8555C325C47B5300C4ACD6 /* ApiService.swift in Sources */,
 				CD9FAB8D258EC60600D6D0C5 /* DHBW_Service.xcdatamodeld in Sources */,
 				CDCD721A25912E1200FBF2F5 /* HomeView.swift in Sources */,
 				CDD39B4B259A64150078D05F /* SettingsMain.swift in Sources */,
+				CD67FB2A25D45A3300069CDB /* RaPlaEvent+CoreDataProperties.swift in Sources */,
 				CDEA70B225C6054F001CFE28 /* LecturePlanList.swift in Sources */,
 				CDDCF47B2591FE550027CDC5 /* UtilityFunctions.swift in Sources */,
+				CDA1CBAE25D4591000DB2AE5 /* User+CoreDataProperties.swift in Sources */,
 				CD9FAB81258EC60200D6D0C5 /* DHBW_ServiceApp.swift in Sources */,
 			);
 			runOnlyForDeploymentPostprocessing = 0;

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

@@ -1,6 +1,11 @@
 <?xml version="1.0" encoding="UTF-8" standalone="yes"?>
 <model type="com.apple.IDECoreDataModeler.DataModel" documentVersion="1.0" lastSavedToolsVersion="17709" systemVersion="20D62" minimumToolsVersion="Automatic" sourceLanguage="Swift" usedWithCloudKit="YES" userDefinedModelVersionIdentifier="">
-    <entity name="RaPlaEvent" representedClassName="RaPlaEvent" syncable="YES" codeGenerationType="class">
+    <entity name="Lecturer" representedClassName="Lecturer" syncable="YES">
+        <attribute name="email" optional="YES" attributeType="String"/>
+        <attribute name="name" optional="YES" attributeType="String"/>
+        <relationship name="event" optional="YES" maxCount="1" deletionRule="Nullify" destinationEntity="RaPlaEvent" inverseName="lecturers" inverseEntity="RaPlaEvent"/>
+    </entity>
+    <entity name="RaPlaEvent" representedClassName="RaPlaEvent" syncable="YES">
         <attribute name="category" optional="YES" attributeType="String"/>
         <attribute name="descr" optional="YES" attributeType="String"/>
         <attribute name="endDate" optional="YES" attributeType="Date" usesScalarValueType="NO"/>
@@ -9,14 +14,16 @@
         <attribute name="startDate" optional="YES" attributeType="Date" usesScalarValueType="NO"/>
         <attribute name="summary" optional="YES" attributeType="String"/>
         <attribute name="uid" optional="YES" attributeType="String"/>
+        <relationship name="lecturers" optional="YES" toMany="YES" deletionRule="Nullify" destinationEntity="Lecturer" inverseName="event" inverseEntity="Lecturer"/>
     </entity>
-    <entity name="User" representedClassName="User" syncable="YES" codeGenerationType="class">
+    <entity name="User" representedClassName="User" syncable="YES">
         <attribute name="course" optional="YES" attributeType="String"/>
         <attribute name="director" optional="YES" attributeType="String"/>
         <attribute name="name" optional="YES" attributeType="String"/>
     </entity>
     <elements>
-        <element name="RaPlaEvent" positionX="-63" positionY="9" width="128" height="149"/>
-        <element name="User" positionX="-63" positionY="-9" width="128" height="74"/>
+        <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="74"/>
     </elements>
 </model>

DHBW-Service/CoreData/Models/Lecturer+CoreDataClass.swift

@@ -0,0 +1,44 @@
+//
+//  Lecturer+CoreDataClass.swift
+//  DHBW-Service
+//
+//  Created by Patrick Müller on 10.02.21.
+//
+//
+
+import Foundation
+import CoreData
+
+@objc(Lecturer)
+public class Lecturer: NSManagedObject {
+    @nonobjc public class func getAll() -> [Lecturer] {
+        let managedContext =
+            PersistenceController.shared.context
+        
+        do {
+            return try managedContext.fetch(Lecturer.fetchRequest())
+        } catch let error as NSError {
+            print("Could not fetch. \(error), \(error.userInfo)")
+            return []
+        }
+    }
+    
+    @nonobjc public class func getSpecified(sortDescriptors: [NSSortDescriptor] = [], searchPredicate: NSPredicate? = nil) -> [Lecturer]{
+        let managedContext =
+            PersistenceController.shared.context
+        
+        let fetchRequest: NSFetchRequest = Lecturer.fetchRequest()
+
+        fetchRequest.sortDescriptors = sortDescriptors
+        if(searchPredicate != nil) {
+            fetchRequest.predicate = searchPredicate
+        }
+        
+        do {
+            return try managedContext.fetch(fetchRequest)
+        } catch let error as NSError {
+            print("Could not fetch. \(error), \(error.userInfo)")
+            return []
+        }
+    }
+}

DHBW-Service/CoreData/Models/Lecturer+CoreDataProperties.swift

@@ -0,0 +1,27 @@
+//
+//  Lecturer+CoreDataProperties.swift
+//  DHBW-Service
+//
+//  Created by Patrick Müller on 10.02.21.
+//
+//
+
+import Foundation
+import CoreData
+
+
+extension Lecturer {
+
+    @nonobjc public class func fetchRequest() -> NSFetchRequest<Lecturer> {
+        return NSFetchRequest<Lecturer>(entityName: "Lecturer")
+    }
+
+    @NSManaged public var email: String?
+    @NSManaged public var name: String?
+    @NSManaged public var event: RaPlaEvent?
+
+}
+
+extension Lecturer : Identifiable {
+
+}

DHBW-Service/CoreData/Models/RaPlaEvent+CoreDataClass.swift

@@ -0,0 +1,44 @@
+//
+//  RaPlaEvent+CoreDataClass.swift
+//  DHBW-Service
+//
+//  Created by Patrick Müller on 10.02.21.
+//
+//
+
+import Foundation
+import CoreData
+
+@objc(RaPlaEvent)
+public class RaPlaEvent: NSManagedObject {
+    @nonobjc public class func getAll() -> [RaPlaEvent] {
+        let managedContext =
+            PersistenceController.shared.context
+        
+        do {
+            return try managedContext.fetch(RaPlaEvent.fetchRequest())
+        } catch let error as NSError {
+            print("Could not fetch. \(error), \(error.userInfo)")
+            return []
+        }
+    }
+    
+    @nonobjc public class func getSpecified(sortDescriptors: [NSSortDescriptor] = [], searchPredicate: NSPredicate? = nil) -> [RaPlaEvent]{
+        let managedContext =
+            PersistenceController.shared.context
+        
+        let fetchRequest: NSFetchRequest = RaPlaEvent.fetchRequest()
+
+        fetchRequest.sortDescriptors = sortDescriptors
+        if(searchPredicate != nil) {
+            fetchRequest.predicate = searchPredicate
+        }
+        
+        do {
+            return try managedContext.fetch(fetchRequest)
+        } catch let error as NSError {
+            print("Could not fetch. \(error), \(error.userInfo)")
+            return []
+        }
+    }
+}

DHBW-Service/CoreData/Models/RaPlaEvent+CoreDataProperties.swift

@@ -0,0 +1,50 @@
+//
+//  RaPlaEvent+CoreDataProperties.swift
+//  DHBW-Service
+//
+//  Created by Patrick Müller on 10.02.21.
+//
+//
+
+import Foundation
+import CoreData
+
+
+extension RaPlaEvent {
+
+    @nonobjc public class func fetchRequest() -> NSFetchRequest<RaPlaEvent> {
+        return NSFetchRequest<RaPlaEvent>(entityName: "RaPlaEvent")
+    }
+
+    @NSManaged public var category: String?
+    @NSManaged public var descr: String?
+    @NSManaged public var endDate: Date?
+    @NSManaged public var isHidden: Bool
+    @NSManaged public var location: String?
+    @NSManaged public var startDate: Date?
+    @NSManaged public var summary: String?
+    @NSManaged public var uid: String?
+    @NSManaged public var lecturers: NSSet?
+
+}
+
+// MARK: Generated accessors for lecturers
+extension RaPlaEvent {
+
+    @objc(addLecturersObject:)
+    @NSManaged public func addToLecturers(_ value: Lecturer)
+
+    @objc(removeLecturersObject:)
+    @NSManaged public func removeFromLecturers(_ value: Lecturer)
+
+    @objc(addLecturers:)
+    @NSManaged public func addToLecturers(_ values: NSSet)
+
+    @objc(removeLecturers:)
+    @NSManaged public func removeFromLecturers(_ values: NSSet)
+
+}
+
+extension RaPlaEvent : Identifiable {
+
+}

DHBW-Service/CoreData/Models/User+CoreDataClass.swift

@@ -0,0 +1,44 @@
+//
+//  User+CoreDataClass.swift
+//  DHBW-Service
+//
+//  Created by Patrick Müller on 10.02.21.
+//
+//
+
+import Foundation
+import CoreData
+
+@objc(User)
+public class User: NSManagedObject {
+    @nonobjc public class func getAll() -> [User] {
+        let managedContext =
+            PersistenceController.shared.context
+        
+        do {
+            return try managedContext.fetch(User.fetchRequest())
+        } catch let error as NSError {
+            print("Could not fetch. \(error), \(error.userInfo)")
+            return []
+        }
+    }
+    
+    @nonobjc public class func getSpecified(sortDescriptors: [NSSortDescriptor] = [], searchPredicate: NSPredicate? = nil) -> [User]{
+        let managedContext =
+            PersistenceController.shared.context
+        
+        let fetchRequest: NSFetchRequest = User.fetchRequest()
+
+        fetchRequest.sortDescriptors = sortDescriptors
+        if(searchPredicate != nil) {
+            fetchRequest.predicate = searchPredicate
+        }
+        
+        do {
+            return try managedContext.fetch(fetchRequest)
+        } catch let error as NSError {
+            print("Could not fetch. \(error), \(error.userInfo)")
+            return []
+        }
+    }
+}

DHBW-Service/CoreData/Models/User+CoreDataProperties.swift

@@ -0,0 +1,27 @@
+//
+//  User+CoreDataProperties.swift
+//  DHBW-Service
+//
+//  Created by Patrick Müller on 10.02.21.
+//
+//
+
+import Foundation
+import CoreData
+
+
+extension User {
+
+    @nonobjc public class func fetchRequest() -> NSFetchRequest<User> {
+        return NSFetchRequest<User>(entityName: "User")
+    }
+
+    @NSManaged public var course: String?
+    @NSManaged public var director: String?
+    @NSManaged public var name: String?
+
+}
+
+extension User : Identifiable {
+
+}

DHBW-Service/CoreData/Persistence.swift

@@ -65,39 +65,42 @@ struct PersistenceController {
         let viewContext = result.container.viewContext
         
         // set mock user
-        let userEntity = NSEntityDescription.entity(forEntityName: "User", in: PersistenceController.shared.context)!
-        let user = NSManagedObject(entity: userEntity, insertInto: PersistenceController.shared.context)
-        user.setValue("Max Mustermann", forKey: "name")
-        user.setValue("TINF19B4", forKey: "course")
-        user.setValue("Dr. Mustermann", forKey: "director")
+        let user = User(context: PersistenceController.shared.context)
+        user.name = "Max Mustermann"
+        user.course = "TINF19B4"
+        user.director = "Prof. Dr. Mustermann"
         
         // Generate mock events
-        let eventEntity = NSEntityDescription.entity(forEntityName: "RaPlaEvent", in: PersistenceController.shared.context)!
-        let normalEvent1 = NSManagedObject(entity: eventEntity, insertInto: PersistenceController.shared.context)
-        let normalEvent2 = NSManagedObject(entity: eventEntity, insertInto: PersistenceController.shared.context)
-        let examEvent = NSManagedObject(entity: eventEntity, insertInto: PersistenceController.shared.context)
-        normalEvent1.setValue("Mock Event 1", forKey: "summary")
-        normalEvent2.setValue("Mock Event 2", forKey: "summary")
-        examEvent.setValue("Exam Event", forKey: "summary")
-        normalEvent1.setValue("Mock Event 1 Description", forKey: "descr")
-        normalEvent2.setValue("Mock Event 2 Description", forKey: "descr")
-        examEvent.setValue("Exam Event Description", forKey: "descr")
-        normalEvent1.setValue("E207 INF Hörsaal", forKey: "location")
-        normalEvent2.setValue("A306 WI Hörsaal", forKey: "location")
-        examEvent.setValue("Audimax A", forKey: "location")
-        normalEvent1.setValue("Lehrveranstaltung", forKey: "category")
-        normalEvent2.setValue("Lehrveranstaltung", forKey: "category")
-        examEvent.setValue("Prüfung", forKey: "category")
+        let normalEvent1 = RaPlaEvent(context: PersistenceController.shared.context)
+        let normalEvent2 = RaPlaEvent(context: PersistenceController.shared.context)
+        let examEvent = RaPlaEvent(context: PersistenceController.shared.context)
+        normalEvent1.summary = "Mock Event 1"
+        normalEvent2.summary = "Mock Event 2"
+        examEvent.summary = "Exam Event"
+        
+        normalEvent1.descr = "Mock Event 1 description"
+        normalEvent2.descr = "Mock Event 2 description"
+        examEvent.descr = "Exam Event description"
+        
+        normalEvent1.location = "E207 INF Hörsaal"
+        normalEvent2.location = "A306 WI Hörsaal"
+        examEvent.location = "Audimax A"
+        
+        normalEvent1.category = "Lehrveranstaltung"
+        normalEvent2.category = "Lehrveranstaltung"
+        examEvent.category = "Prüfung"
+        
         var currentDate = Date()
-        currentDate.addTimeInterval(1*60*60);normalEvent1.setValue(currentDate, forKey: "startDate")
-        currentDate.addTimeInterval(1*60*60);normalEvent2.setValue(currentDate, forKey: "startDate")
-        currentDate.addTimeInterval(1*60*60);examEvent.setValue(currentDate, forKey: "startDate")
-        currentDate.addTimeInterval(1*60*60);normalEvent1.setValue(currentDate, forKey: "endDate")
-        currentDate.addTimeInterval(1*60*60);normalEvent2.setValue(currentDate, forKey: "endDate")
-        currentDate.addTimeInterval(1*60*60);examEvent.setValue(currentDate, forKey: "endDate")
-        normalEvent1.setValue("totalUniqueId1", forKey: "uid")
-        normalEvent2.setValue("totalUniqueId2", forKey: "uid")
-        examEvent.setValue("totalUniqueId3", forKey: "uid")
+        currentDate.addTimeInterval(1*60*60);normalEvent1.startDate = currentDate
+        currentDate.addTimeInterval(1*60*60);normalEvent2.startDate = currentDate
+        currentDate.addTimeInterval(1*60*60);examEvent.startDate = currentDate
+        currentDate.addTimeInterval(1*60*60);normalEvent1.endDate = currentDate
+        currentDate.addTimeInterval(1*60*60);normalEvent2.endDate = currentDate
+        currentDate.addTimeInterval(1*60*60);examEvent.endDate = currentDate
+        
+        normalEvent1.uid = "totalUniqueId1"
+        normalEvent2.uid = "totalUniqueId2"
+        examEvent.uid = "totalUniqueId3"
         
         
         do {

DHBW-Service/Supporting Files/Info.plist

@@ -6,6 +6,30 @@
 	<string>$(DEVELOPMENT_LANGUAGE)</string>
 	<key>CFBundleExecutable</key>
 	<string>$(EXECUTABLE_NAME)</string>
+	<key>CFBundleIcons</key>
+	<dict>
+		<key>CFBundleAlternateIcons</key>
+		<dict>
+			<key>Alpaca-Alt-Icon</key>
+			<dict>
+				<key>CFBundleIconFiles</key>
+				<array>
+					<string>alpaca-alt-icon</string>
+				</array>
+				<key>UIPrerenderedIcon</key>
+				<false/>
+			</dict>
+		</dict>
+		<key>CFBundlePrimaryIcon</key>
+		<dict>
+			<key>CFBundleIconFiles</key>
+			<array>
+				<string>dhbw-standard-icon</string>
+			</array>
+			<key>UIPrerenderedIcon</key>
+			<false/>
+		</dict>
+	</dict>
 	<key>CFBundleIdentifier</key>
 	<string>$(PRODUCT_BUNDLE_IDENTIFIER)</string>
 	<key>CFBundleInfoDictionaryVersion</key>
@@ -44,29 +68,5 @@
 		<string>UIInterfaceOrientationLandscapeLeft</string>
 		<string>UIInterfaceOrientationLandscapeRight</string>
 	</array>
-    <key>CFBundleIcons</key>
-    <dict>
-        <key>CFBundlePrimaryIcon</key>
-        <dict>
-            <key>CFBundleIconFiles</key>
-            <array>
-                <string>dhbw-standard-icon</string>
-            </array>
-            <key>UIPrerenderedIcon</key>
-            <false/>
-        </dict>
-        <key>CFBundleAlternateIcons</key>
-        <dict>
-            <key>Alpaca-Alt-Icon</key>
-            <dict>
-                <key>CFBundleIconFiles</key>
-                <array>
-                    <string>alpaca-alt-icon</string>
-                </array>
-                <key>UIPrerenderedIcon</key>
-                <false/>
-            </dict>
-        </dict>
-    </dict>
 </dict>
 </plist>

DHBW-Service/Supporting Files/l10n/de.lproj/HomeView.strings

@@ -7,6 +7,7 @@
 */
 
 "hey" = "Hey 👋🏻";
+"information" = "Deine Informationen";
 "today" = "Heute";
 "tomorrow" = "Morgen";
 "upcomingExams" = "Nächste Klausuren";

DHBW-Service/Supporting Files/l10n/en.lproj/HomeView.strings

@@ -7,6 +7,7 @@
 */
 
 "hey" = "Hey 👋🏻";
+"information" = "Your Information";
 "today" = "Today";
 "tomorrow" = "Tomorrow";
 "upcomingExams" = "Upcoming exams";

DHBW-Service/Utility/RaPlaFetcher.swift

@@ -17,6 +17,12 @@ class RaPlaFetcher {
         var location: String = ""       //LOCATION
         var category: String = ""       //CATEGORIES
         var uid: String = ""            //UID
+        var lecturers: [LecturerObj] = []  //ATTENDEE
+    }
+    
+    public class LecturerObj {
+        var name: String = ""
+        var email: String = ""
     }
     
     // Get the RaPla file from the given URL and save the events to CoreData
@@ -68,9 +74,24 @@ class RaPlaFetcher {
         var events: [iCalEvent] = []
         
         for eventString in eventStrings {
-            let lines = eventString.components(separatedBy: .newlines)
+            var lines = eventString.components(separatedBy: .newlines)
+            // Remove all blank lines that somehow are generated by the .components function
+            lines = removeBlankLines(lines: lines)
+            
             let evt = iCalEvent()
             
+            // Iterate over all lines and merge lines that have been split by rapla first
+            for lineNr in 0...lines.count-1 {
+                if(lines[lineNr].hasPrefix(" ")){
+                    lines[lineNr] = String(lines[lineNr].dropFirst())
+                    lines[lineNr-1].append(lines[lineNr])
+                    lines[lineNr] = ""
+                }
+            }
+            
+            // Remove all blank lines again as we produced some while merging the lines
+            lines = removeBlankLines(lines: lines)
+            
             for line in lines {
                 var lineWithoutPrefix = line
                 if(!line.contains(":")) {
@@ -82,7 +103,7 @@ class RaPlaFetcher {
                     //Date format: 20181101T080000
                     let dateFormatter = DateFormatter()
                     if(lineWithoutPrefix.contains("Z")){
-                        dateFormatter.dateFormat = "yyyyMMdd'T'HHmmssZ"
+                        dateFormatter.dateFormat = "yyyyMMdd'T'HHmmss'Z'"
                     } else {
                         dateFormatter.dateFormat = "yyyyMMdd'T'HHmmss"
                     }
@@ -91,7 +112,7 @@ class RaPlaFetcher {
                 } else if(line.hasPrefix("DTEND")){
                     let dateFormatter = DateFormatter()
                     if(lineWithoutPrefix.contains("Z")){
-                        dateFormatter.dateFormat = "yyyyMMdd'T'HHmmssZ"
+                        dateFormatter.dateFormat = "yyyyMMdd'T'HHmmss'Z'"
                     } else {
                         dateFormatter.dateFormat = "yyyyMMdd'T'HHmmss"
                     }
@@ -107,6 +128,22 @@ class RaPlaFetcher {
                     evt.category = lineWithoutPrefix
                 } else if(line.hasPrefix("UID")){
                     evt.uid = lineWithoutPrefix
+                } else if(line.hasPrefix("ATTENDEE;ROLE=REQ-PARTICIPANT;")) {
+                    var lecturerName = line
+                    
+                    let begin = lecturerName.firstIndex(of: "\"")!
+                    lecturerName.removeSubrange(lecturerName.startIndex...begin)
+                    
+                    let end = lecturerName.lastIndex(of: "\"")!
+                    lecturerName = String(lecturerName[..<end])
+                    
+                    let lecturerEmail = String(lineWithoutPrefix[String.Index(utf16Offset: 7, in: lineWithoutPrefix)..<lineWithoutPrefix.endIndex])
+                    
+                    let lecturer = LecturerObj()
+                    lecturer.name = lecturerName
+                    lecturer.email = lecturerEmail
+                    
+                    evt.lecturers.append(lecturer)
                 }
             }
             
@@ -119,8 +156,8 @@ 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{
-        let existingEvents = UtilityFunctions.getCoreDataObject(entity: "RaPlaEvent", sortDescriptors: [])
-        var existingEventsDict: [String:NSManagedObject] = [:]
+        let existingEvents: [RaPlaEvent] = [] //RaPlaEvent.getAll()
+        var existingEventsDict: [String:RaPlaEvent] = [:]
         for event in existingEvents {
             existingEventsDict[event.value(forKey: "uid") as! String] = event
         }
@@ -128,23 +165,28 @@ class RaPlaFetcher {
         
         for event in eventObjects {
             // If the event already exists locally, update it. Otherwise, create a new record
-            let evt: NSManagedObject
+            let evt: RaPlaEvent
             if existingEventsDict.keys.contains(event.uid) {
                 evt = existingEventsDict[event.uid]!
             } else {
-                let entity = NSEntityDescription.entity(forEntityName: "RaPlaEvent", in: PersistenceController.shared.context)!
-                evt = NSManagedObject(entity: entity, insertInto: PersistenceController.shared.context)
+                evt = RaPlaEvent(context: PersistenceController.shared.context)
                 
                 // Set default values for new object
-                evt.setValue(false, forKey: "isHidden")
+                evt.isHidden = false
+            }
+            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 = 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
             }
-            evt.setValue(event.startDate, forKey: "startDate")
-            evt.setValue(event.endDate, forKey: "endDate")
-            evt.setValue(event.summary, forKey: "summary")
-            evt.setValue(event.description, forKey: "descr")
-            evt.setValue(event.location, forKey: "location")
-            evt.setValue(event.category, forKey: "category")
-            evt.setValue(event.uid, forKey: "uid")
         }
         
         // Now we also have to delete locally stored events that have been deleted from RaPla
@@ -160,4 +202,17 @@ class RaPlaFetcher {
         
         return true
     }
+    
+    private class func removeBlankLines(lines: [String]) -> [String] {
+        var newLines = lines
+        
+        // Remove all blank lines that somehow are generated by the .components function
+        for line in newLines {
+            if(line.isEmpty){
+                newLines.remove(at: newLines.firstIndex(of: line)!)
+            }
+        }
+        
+        return newLines
+    }
 }

DHBW-Service/Utility/UtilityFunctions.swift

@@ -9,6 +9,7 @@ import Foundation
 import CoreData
 
 class UtilityFunctions {
+    // DEPRECATED, replaced by the respective getSpecified() method of each CoreData object
     public class func getCoreDataObject(entity: String, sortDescriptors: [NSSortDescriptor] = [], searchPredicate: NSPredicate? = nil) -> [NSManagedObject]{
         let managedContext =
             PersistenceController.shared.context

DHBW-Service/Views/ContentView.swift

@@ -47,7 +47,7 @@ struct ContentView: View {
         }
         .onAppear{
             // Called upon the opening of the app
-            RaPlaFetcher.getRaplaFileAndSaveToCoreData(from: "https://rapla.dhbw-karlsruhe.de/rapla?page=ical&user=eisenbiegler&file=TINF19B4")
+            RaPlaFetcher.getRaplaFileAndSaveToCoreData(from: "https://rapla.dhbw-karlsruhe.de/rapla?page=ical&user=eisenbiegler&file=TINF20B4")
         }
     }
 }

DHBW-Service/Views/Other/FirstOpeningSettings.swift

@@ -96,11 +96,10 @@ extension FirstOpeningSettings{
         print("Deleting old user data status: \(status)")
         
         // Insert new user data
-        let entity = NSEntityDescription.entity(forEntityName: "User", in: PersistenceController.shared.context)!
-        let user = NSManagedObject(entity: entity, insertInto: PersistenceController.shared.context)
-        user.setValue(name, forKey: "name")
-        user.setValue(course, forKey: "course")
-        user.setValue(director, forKey: "director")
+        let user = User(context: PersistenceController.shared.context)
+        user.name = name
+        user.course = course
+        user.director = director
         
         self.settings.isFirstOpening = !self.settings.isFirstOpening
         PersistenceController.shared.save()

DHBW-Service/Views/Tabs/HomeView.swift

@@ -13,9 +13,9 @@ struct HomeView: View {
     @State private var name: String = ""
     @State private var course: String = ""
     @State private var director: String = ""
-    @State private var todaysEvents: [NSManagedObject] = []
-    @State private var tomorrowsEvents: [NSManagedObject] = []
-    @State private var upcomingExams: [NSManagedObject] = []
+    @State private var todaysEvents: [RaPlaEvent] = []
+    @State private var tomorrowsEvents: [RaPlaEvent] = []
+    @State private var upcomingExams: [RaPlaEvent] = []
     
     var body: some View {
         NavigationView {
@@ -37,6 +37,32 @@ struct HomeView: View {
                     )
                     Spacer()
                 }
+                HStack {
+                    Spacer()
+                    VStack {
+                        Text("information".localized(tableName: "HomeView", plural: false))
+                            .font(.title3)
+                            .frame(maxWidth: .infinity, alignment: .leading)
+                        HStack {
+                            VStack(alignment: .leading) {
+                                Text("course".localized(tableName: "General", plural: false) + ": ")
+                                Text("director".localized(tableName: "General", plural: false) + ": ")
+                            }
+                            VStack(alignment: .leading) {
+                                Text(self.course)
+                                    .bold()
+                                Text(self.director)
+                                    .bold()
+                            }.frame(maxWidth: .infinity, alignment: .leading)
+                        }
+                    }
+                    .padding()
+                    .background(
+                        RoundedRectangle(cornerRadius: 10)
+                            .fill(Color.gray)
+                    )
+                    Spacer()
+                }
                 Spacer()
                 HStack {
                     Text("course".localized(tableName: "General", plural: false) + ": ")
@@ -89,25 +115,25 @@ struct HomeView: View {
 extension HomeView{
     // Read required data from CoreData and save it to the appropriate variables
     func readFromCoreData() {
-        let fetchedData = UtilityFunctions.getCoreDataObject(entity: "User")
+        let fetchedData = User.getAll()
         
         if(!fetchedData.isEmpty) {
             let user = fetchedData[0]
-            self.name = user.value(forKey: "name") as! String
-            self.course = user.value(forKey: "course") as! String
-            self.director = user.value(forKey: "director") as! String
+            self.name = user.name!
+            self.course = user.course!
+            self.director = user.director!
         }
     }
     
     // Get 0...2 of todays lectures from RaPla
     // Returns a list of RaPlaEvent NSManagedObjects
-    func getTodaysEvents() -> [NSManagedObject] {
+    func getTodaysEvents() -> [RaPlaEvent] {
         let searchPredicate = NSPredicate(format: "(category == 'Lehrveranstaltung')")
         let hiddenPredicate = NSPredicate(format: "isHidden == NO")
         var predicates = [searchPredicate, hiddenPredicate]
         predicates.append(contentsOf: getDayPredicates(today: true))
         let compoundPredicate = NSCompoundPredicate(andPredicateWithSubpredicates: predicates)
-        let events = UtilityFunctions.getCoreDataObject(entity: "RaPlaEvent", searchPredicate: compoundPredicate)
+        let events = RaPlaEvent.getSpecified(searchPredicate: compoundPredicate)
         if(!events.isEmpty) {
             return Array(events[...min(1, events.count-1)])
         } else {
@@ -117,13 +143,13 @@ extension HomeView{
     
     // Get 0...2 of tomorrows lectures from RaPla
     // Returns a list of RaPlaEvent NSManagedObjects
-    func getTomorrowsEvents() -> [NSManagedObject] {
+    func getTomorrowsEvents() -> [RaPlaEvent] {
         let searchPredicate = NSPredicate(format: "(category == 'Lehrveranstaltung')")
         let hiddenPredicate = NSPredicate(format: "isHidden == NO")
         var predicates = [searchPredicate, hiddenPredicate]
         predicates.append(contentsOf: getDayPredicates(tomorrow: true))
         let compoundPredicate = NSCompoundPredicate(andPredicateWithSubpredicates: predicates)
-        let events = UtilityFunctions.getCoreDataObject(entity: "RaPlaEvent", searchPredicate: compoundPredicate)
+        let events = RaPlaEvent.getSpecified(searchPredicate: compoundPredicate)
         if(!events.isEmpty) {
             return Array(events[...min(1, events.count-1)])
         } else {
@@ -133,13 +159,13 @@ extension HomeView{
     
     // Get 0...2 of upcoming exams from RaPla
     // Returns a list of RaPlaEvent NSManagedObjects
-    func getUpcomingExams() -> [NSManagedObject] {
+    func getUpcomingExams() -> [RaPlaEvent] {
         let searchPredicate = NSPredicate(format: "category == %@", "Prüfung")
         let hiddenPredicate = NSPredicate(format: "isHidden == NO")
         let compoundPredicate = NSCompoundPredicate(andPredicateWithSubpredicates: [searchPredicate, hiddenPredicate])
         let sectionSortDescriptor = NSSortDescriptor(key: "startDate", ascending: true)
         let sortDescriptors = [sectionSortDescriptor]
-        let events = UtilityFunctions.getCoreDataObject(entity: "RaPlaEvent", sortDescriptors: sortDescriptors, searchPredicate: compoundPredicate)
+        let events = RaPlaEvent.getSpecified(sortDescriptors: sortDescriptors, searchPredicate: compoundPredicate)
         if(!events.isEmpty) {
             return Array(events[...min(1, events.count-1)])
         } else {
@@ -196,7 +222,7 @@ extension HomeView{
 }
 
 struct UpcomingLecturesBlock: View {
-    let eventsList: [NSManagedObject]
+    let eventsList: [RaPlaEvent]
     let titleKey: String
     
     var body: some View {
@@ -207,7 +233,7 @@ struct UpcomingLecturesBlock: View {
             VStack {
                 if(!eventsList.isEmpty){
                     ForEach(eventsList, id: \.self) { exam in
-                        Text(exam.value(forKey: "summary") as! String)
+                        Text(exam.summary!)
                             .frame(maxWidth: .infinity, alignment: .leading)
                     }
                 } else {
@@ -225,7 +251,7 @@ struct UpcomingLecturesBlock: View {
 }
 
 struct UpcomingExamsBlock: View {
-    let examsList: [NSManagedObject]
+    let examsList: [RaPlaEvent]
     let titleKey: String
     
     var body: some View {
@@ -236,7 +262,7 @@ struct UpcomingExamsBlock: View {
             VStack {
                 if(!examsList.isEmpty){
                     ForEach(examsList, id: \.self) { exam in
-                        Text(exam.value(forKey: "summary") as! String)
+                        Text(exam.summary!)
                             .frame(maxWidth: .infinity, alignment: .leading)
                     }
                 } else {

DHBW-Service/Views/Tabs/LecturePlanItem.swift

@@ -9,34 +9,89 @@ import SwiftUI
 import CoreData
 
 struct LecturePlanItem: View {
-    @State var event: NSManagedObject
+    @State var event: RaPlaEvent
     @State var isHidden = false
     
     var body: some View {
         VStack {
-            Text(event.value(forKey: "summary") as! String)
-            Button(action: {
-                event.setValue(!isHidden, forKey: "isHidden")
-                self.isHidden = !isHidden
-                PersistenceController.shared.save()
-            }){
-                if(self.isHidden){
-                    Text("Show")
-                } else {
-                    Text("Hide")
+            HStack {
+                Spacer()
+                VStack {
+                    Text(event.summary!)
+                        .font(.title3)
+                        .frame(maxWidth: .infinity, alignment: .leading)
+                    Text(event.descr!)
+                        .bold()
+                        .frame(maxWidth: .infinity, alignment: .leading)
+                    Divider()
+                    HStack {
+                        VStack(alignment: .leading) {
+                            Text("When")
+                            Text("Where")
+                            Text("Who")
+                        }
+                        VStack(alignment: .leading) {
+                            Text(getDateAndTimeAsString(date: event.startDate!)
+                                    + " to "
+                                    + getTimeAsString(date: event.endDate!))
+                                .bold()
+                            Text(event.location!)
+                                .bold()
+                            Text("WIP")
+                                .bold()
+                        }.frame(maxWidth: .infinity, alignment: .leading)
+                    }
+                    Divider()
+                    HStack {
+                        Button(action: {
+                            event.isHidden = !isHidden
+                            self.isHidden = !isHidden
+                            PersistenceController.shared.save()
+                        }){
+                            if(self.isHidden){
+                                Text("Show")
+                            } else {
+                                Text("Hide")
+                            }
+                        }
+                        .padding()
+                        .foregroundColor(.white)
+                        .background(Color.blue)
+                        .cornerRadius(15)
+                        Spacer()
+                    }
                 }
+                .padding()
+                .background(
+                    RoundedRectangle(cornerRadius: 10)
+                        .fill(Color.gray)
+                )
+                Spacer()
             }
-            .padding()
-            .foregroundColor(.white)
-            .background(Color.blue)
-            .cornerRadius(15)
+            .frame(maxWidth: .infinity)
+            Spacer()
         }
         .onAppear{
-            self.isHidden = event.value(forKey: "isHidden") as! Bool
+            self.isHidden = event.isHidden
         }
     }
 }
 
+func getDateAndTimeAsString(date: Date) -> String {
+    let formatter = DateFormatter()
+    formatter.dateStyle = .short
+    formatter.timeStyle = .short
+    
+    return formatter.string(from: date)
+}
+
+func getTimeAsString(date: Date) -> String {
+    let formatter = DateFormatter()
+    formatter.timeStyle = .short
+    
+    return formatter.string(from: date)
+}
+
 struct LecturePlanItem_Previews: PreviewProvider {
     static var previews: some View {
         LecturePlanItem(event: getPreviewEvent())
@@ -52,7 +107,7 @@ struct LecturePlanItem_Previews: PreviewProvider {
         return settings
     }
     
-    static func getPreviewEvent() -> NSManagedObject {
-        return UtilityFunctions.getCoreDataObject(entity: "RaPlaEvent", sortDescriptors: [])[0]
+    static func getPreviewEvent() -> RaPlaEvent {
+        return RaPlaEvent.getSpecified(sortDescriptors: [])[0]
     }
 }

DHBW-Service/Views/Tabs/LecturePlanList.swift

@@ -9,7 +9,7 @@ import SwiftUI
 import CoreData
 
 struct LecturePlanList: View {
-    @State private var events: [NSManagedObject] = []
+    @State private var events: [RaPlaEvent] = []
     @State private var sortingAscending = true
     
     var body: some View {
@@ -18,14 +18,14 @@ struct LecturePlanList: View {
                 ForEach(events, id: \.self) { event in
                     NavigationLink(destination: LecturePlanItem(event: event)){
                         HStack {
-                            Text(formatDate(date: event.value(forKeyPath: "startDate") as! Date))
+                            Text(formatDate(date: event.startDate!))
                                 .foregroundColor(getEventForegroundColor(for: event))
-                            Text(event.value(forKeyPath: "summary") as! String)
+                            Text(event.summary!)
                                 .foregroundColor(getEventForegroundColor(for: event))
                             
                             Spacer()
                             
-                            if(event.value(forKey: "isHidden") as! Bool) {
+                            if(event.isHidden) {
                                 Image(systemName: "eye.slash")
                                     .foregroundColor(.red)
                             } else {
@@ -38,7 +38,7 @@ struct LecturePlanList: View {
                         let sectionSortDescriptor = NSSortDescriptor(key: "startDate", ascending: true)
                         let sortDescriptors = [sectionSortDescriptor]
                         self.events = []
-                        self.events = UtilityFunctions.getCoreDataObject(entity: "RaPlaEvent", sortDescriptors: sortDescriptors)
+                        self.events = RaPlaEvent.getSpecified(sortDescriptors: sortDescriptors)
                     })
                 }
             }
@@ -61,7 +61,7 @@ struct LecturePlanList: View {
             let sectionSortDescriptor = NSSortDescriptor(key: "startDate", ascending: true)
             let sortDescriptors = [sectionSortDescriptor]
             self.events = []
-            self.events = UtilityFunctions.getCoreDataObject(entity: "RaPlaEvent", sortDescriptors: sortDescriptors)
+            self.events = RaPlaEvent.getSpecified(sortDescriptors: sortDescriptors)
         }
     }
 }
@@ -89,9 +89,9 @@ extension LecturePlanList {
         return formatter.string(from: date)
     }
     
-    private func getEventForegroundColor(for event: NSManagedObject) -> Color {
+    private func getEventForegroundColor(for event: RaPlaEvent) -> Color {
         var textColor: Color = .primary
-        if(event.value(forKeyPath: "category") as! String == "Prüfung") {
+        if(event.category! == "Prüfung") {
             textColor = Color.red
         } else {
             textColor = Color.primary