refactor missions a bit

EDPlayerJournal/BGS/InfluenceSupport.cs

@@ -10,8 +10,17 @@ namespace EDPlayerJournal.BGS;
 /// </summary>
 public class InfluenceSupport : Transaction {
     public string Influence { get; set; } = "";
+
+    /// <summary>
+    /// Relevant mission completed entry
+    /// </summary>
     public MissionCompletedEntry? RelevantMission { get; set; }
 
+    /// <summary>
+    /// Mission accepted entry
+    /// </summary>
+    public MissionAcceptedEntry? AcceptedEntry { get; set; }
+
     public override string CompletedAt {
         get { 
             if (RelevantMission == null) {

EDPlayerJournal/BGS/MissionCompleted.cs

@@ -1,50 +1,52 @@
-using System.Text;
+using System.Collections.Generic;
+using System.Text;
 using EDPlayerJournal.Entries;
 
 namespace EDPlayerJournal.BGS;
 
 public class MissionCompleted : Transaction {
+    public MissionCompletedEntry? CompletedEntry { get; set; }
+
+    public MissionAcceptedEntry? AcceptedEntry { get; set; }
+
     public MissionCompleted() { }
-    public MissionCompleted(MissionCompletedEntry e) {
-        Entries.Add(e);
+
+    public override string CompletedAt {
+        get {
+            if (CompletedEntry == null) {
+                return "";
+            }
+            return CompletedEntry.Timestamp.ToString("dd.MM.yyyy HH:mm UTC");
+        }
     }
 
     public string MissionName {
         get {
-            MissionCompletedEntry? c = Entries[0] as MissionCompletedEntry;
-            if (c == null || c.Mission == null) {
+            if (CompletedEntry == null || CompletedEntry.Mission == null) {
                 return "";
             }
 
-            return c.Mission.FriendlyName;
+            return CompletedEntry.Mission.FriendlyName;
         }
     }
 
     public string Influence {
         get {
-            MissionCompletedEntry? e = (Entries[0] as MissionCompletedEntry);
-
-            if (e == null || Faction == null || e.Mission == null) {
+            if (CompletedEntry == null || Faction == null || CompletedEntry.Mission == null) {
                 return "";
             }
 
-            return (e.Mission.GetInfluenceForFaction(Faction, SystemAddress) ?? "");
+            return (CompletedEntry.Mission.GetInfluenceForFaction(Faction, SystemAddress) ?? "");
         }
     }
 
     public override string ToString() {
-        if (Faction == null || Entries.Count <= 0) {
+        if (Faction == null || CompletedEntry == null || CompletedEntry.Mission == null) {
             return "";
         }
 
         StringBuilder builder = new StringBuilder();
-        var entry = Entries[0] as MissionCompletedEntry;
-
-        if (entry == null || entry.Mission == null) {
-            return "";
-        }
-
-        var influence = entry.Mission.GetInfluenceForFaction(Faction, SystemAddress);
+        var influence = CompletedEntry.Mission.GetInfluenceForFaction(Faction, SystemAddress);
 
         builder.AppendFormat("{0}", MissionName);
         if (influence != "") {

EDPlayerJournal/BGS/Report.cs

@@ -360,7 +360,9 @@ public class Report {
                         if (faction.Equals(source_faction_name) && system_address == accepted_address) {
                             /* This is the influence block for the origin of the mission.
                              */
-                            main_mission = new MissionCompleted(completed) {
+                            main_mission = new MissionCompleted() {
+                                CompletedEntry = completed,
+                                AcceptedEntry = accepted,
                                 System = accepted_system,
                                 Faction = source_faction_name,
                                 SystemAddress = accepted_address,

EDPlayerJournal/BGS/TransactionParser.cs

@@ -499,7 +499,9 @@ internal class MissionCompletedParser : TransactionParserPart {
                     system_address == accepted_location.SystemAddress) {
                     // Source and target faction are the same, and this is the block
                     // for the source system. So we make a full mission completed entry.
-                    transactions.Add(new MissionCompleted(entry) {
+                    transactions.Add(new MissionCompleted() {
+                        CompletedEntry = entry,
+                        AcceptedEntry = accepted,
                         System = accepted_location.StarSystem,
                         Faction = source_faction_name,
                         SystemAddress = accepted_location.SystemAddress,
@@ -513,6 +515,7 @@ internal class MissionCompletedParser : TransactionParserPart {
                     // differs. Sometimes missions go to different systems but to
                     // the same faction.
                     transactions.Add(new InfluenceSupport() {
+                        AcceptedEntry = accepted,
                         Faction = faction,
                         Influence = influences.Value,
                         System = system,