Show rule absolute time in list

app/src/main/java/eu/faircode/email/AdapterRule.java

@@ -164,9 +164,17 @@ public class AdapterRule extends RecyclerView.Adapter<AdapterRule.ViewHolder> {
                     conditions.add(new Condition(context.getString(R.string.title_rule_body),
                             jcondition.getJSONObject("body").optString("value"),
                             jcondition.getJSONObject("body").optBoolean("regex")));
-                if (jcondition.has("date"))
+                if (jcondition.has("date")) {
+                    String range = null;
+                    JSONObject jdate = jcondition.optJSONObject("date");
+                    if (jdate != null && jdate.has("after") && jdate.has("before")) {
+                        long after = jdate.getLong("after");
+                        long before = jdate.getLong("before");
+                        range = DF.format(after) + " - " + DF.format(before);
+                    }
                     conditions.add(new Condition(context.getString(R.string.title_rule_time_abs),
-                            null, null));
+                            range, null));
+                }
                 if (jcondition.has("schedule")) {
                     String range = null;
                     JSONObject jschedule = jcondition.optJSONObject("schedule");