add DateTime property variant for CompletedAt

EDPlayerJournal/BGS/InfluenceSupport.cs

@@ -21,12 +21,12 @@ public class InfluenceSupport : Transaction {
     /// </summary>
     public MissionAcceptedEntry? AcceptedEntry { get; set; }
 
-    public override string CompletedAt {
+    public override DateTime? CompletedAtDateTime {
         get { 
             if (RelevantMission == null) {
-                return "";
+                return null;
             }
-            return RelevantMission.Timestamp.ToString("dd.MM.yyyy hh:mm UTC"); 
+            return RelevantMission.Timestamp; 
         }
     }
 

EDPlayerJournal/BGS/MissionCompleted.cs

@@ -11,12 +11,12 @@ public class MissionCompleted : Transaction {
 
     public MissionCompleted() { }
 
-    public override string CompletedAt {
+    public override DateTime? CompletedAtDateTime {
         get {
             if (CompletedEntry == null) {
-                return "";
+                return null;
             }
-            return CompletedEntry.Timestamp.ToString("dd.MM.yyyy HH:mm UTC");
+            return CompletedEntry.Timestamp;
         }
     }
 

EDPlayerJournal/BGS/ThargoidKill.cs

@@ -1,9 +1,4 @@
 using EDPlayerJournal.Entries;
-using System;
-using System.Collections.Generic;
-using System.Linq;
-using System.Text;
-using System.Threading.Tasks;
 
 namespace EDPlayerJournal.BGS;
 

EDPlayerJournal/BGS/Transaction.cs

@@ -6,18 +6,29 @@ namespace EDPlayerJournal.BGS;
 public class Transaction : IComparable<Transaction> {
     public List<Entry> Entries { get; } = new List<Entry>();
 
-    public virtual string CompletedAt {
+    public string CompletedAt {
+        get {
+            DateTime? datetime = CompletedAtDateTime;
+            if (datetime == null) {
+                return "Unknown";
+            }
+
+            return datetime.Value.ToString("dd.MM.yyyy HH:mm UTC");
+        }
+    }
+
+    public virtual DateTime? CompletedAtDateTime {
         get {
             var items = Entries
                 .OrderBy(x => x.Timestamp)
                 .ToArray()
                 ;
             if (items == null || items.Length == 0) {
-                return "Unknown";
+                return null;
             }
 
             Entry last = items.Last();
-            return last.Timestamp.ToString("dd.MM.yyyy HH:mm UTC");
+            return last.Timestamp;
         }
     }