feat: super sloppy way of adding more card list columns (created, modified, notes)

src/data/card.cpp

@@ -52,6 +52,24 @@ String Card::identification() const {
   }
 }
 
+String Card::valueOfDataKey(FieldP fieldP) {
+    String columnName = fieldP.get()->name;
+
+    if (columnName == "time_created") {
+        return time_created.Format("%Y-%m-%d %H:%M:%S").ToStdString();
+    }
+    else if (columnName == "time_modified") {
+        return time_modified.Format("%Y-%m-%d %H:%M:%S").ToStdString();
+    }
+    else if (columnName == "has_notes") {
+        return notes.empty() ? "N" : "Y";
+    }
+
+    ValueP val = data[fieldP];
+    if (val) return val->toString();
+    else     return wxEmptyString;
+}
+
 bool Card::contains(QuickFilterPart const& query) const {
   FOR_EACH_CONST(v, data) {
     if (query.match(v->fieldP->name, v->toString())) return true;