update code to be mas fun

Shared/Models/ContentModeViewModel.swift

@@ -18,15 +18,11 @@ class ContentModeViewModel: ObservableObject {
     }
     
     private var numberOfEntries: Int {
-        var num = 0
-        grouped.keys.forEach({
-            let year = grouped[$0]
-            let monthKeys = year?.keys
-            monthKeys?.forEach({
-                num += year![$0]!.count
-            })
-        })
-        return num
+        grouped.keys.map{
+            grouped[$0]!.values.reduce(0) { sum, array in
+                sum + array.count
+            }
+        }.reduce(0, +)
     }
     
     init() {
@@ -40,6 +36,7 @@ class ContentModeViewModel: ObservableObject {
     private func getGroupedData() {
         grouped = PersistenceController.shared.splitIntoYearMonth()
         numberOfItems = numberOfEntries
+        print(numberOfItems)
     }
     
     public func shouldShowVotingHeader() -> Bool {