✨ Added base for lecture plan view

DHBW-Service/Views/ContentView.swift

@@ -26,6 +26,14 @@ struct ContentView: View {
                             }
                         }
                         .tag(0)
+                    LecturePlanList()
+                        .tabItem {
+                            VStack {
+                                Image(systemName: "calendar")
+                                Text("Lecture Plan")
+                            }
+                        }
+                        .tag(1)
                     SettingsMain()
                         .tabItem {
                             VStack {
@@ -33,10 +41,14 @@ struct ContentView: View {
                                 Text("Settings")
                             }
                         }
-                        .tag(1)
+                        .tag(2)
                 }
             }
         }
+        .onAppear{
+            // Called upon the opening of the app
+            RaPlaFetcher.getRaplaFileAndSaveToCoreData(from: "https://rapla.dhbw-karlsruhe.de/rapla?page=ical&user=eisenbiegler&file=TINF19B4")
+        }
     }
 }
 

DHBW-Service/Views/Tabs/HomeView.swift

@@ -36,7 +36,7 @@ struct HomeView: View {
 
 extension HomeView{
     func readFromCoreData() {
-        let fetchedData = UtilityFunctions.getCoreDataObject(entity: "User")
+        let fetchedData = UtilityFunctions.getCoreDataObject(entity: "User", sortDescriptors: [])
         
         if(!fetchedData.isEmpty) {
             let user = fetchedData[0]

DHBW-Service/Views/Tabs/LecturePlanList.swift

@@ -0,0 +1,42 @@
+//
+//  LecturePlanList.swift
+//  DHBW-Service
+//
+//  Created by Patrick Müller on 30.01.21.
+//
+
+import SwiftUI
+import CoreData
+
+struct LecturePlanList: View {
+    @State private var events: [NSManagedObject] = []
+    
+    var body: some View {
+        List {
+            ForEach(events, id: \.self) { event in
+                HStack {
+                    Text(formatDate(date: event.value(forKeyPath: "startDate") as! Date))
+                    Text(event.value(forKeyPath: "summary") as! String)
+                }
+            }
+        }.onAppear{
+            let sectionSortDescriptor = NSSortDescriptor(key: "startDate", ascending: true)
+            let sortDescriptors = [sectionSortDescriptor]
+            self.events = UtilityFunctions.getCoreDataObject(entity: "RaPlaEvent", sortDescriptors: sortDescriptors)
+        }
+    }
+}
+
+struct LecturePlanList_Previews: PreviewProvider {
+    static var previews: some View {
+        LecturePlanList()
+    }
+}
+
+extension LecturePlanList {
+    private func formatDate(date: Date) -> String {
+        let formatter = DateFormatter()
+        formatter.dateStyle = .short
+        return formatter.string(from: date)
+    }
+}