From 54fc65a921bde7e63e99546a246abdc5d36c7c6c Mon Sep 17 00:00:00 2001
From: the-djmaze <>
Date: Fri, 4 Nov 2022 17:32:37 +0100
Subject: [PATCH] Resolve #625

---
 .../libraries/MailSo/Imap/SearchCriterias.php | 19 ++++++++++++++++++-
 1 file changed, 18 insertions(+), 1 deletion(-)

diff --git a/snappymail/v/0.0.0/app/libraries/MailSo/Imap/SearchCriterias.php b/snappymail/v/0.0.0/app/libraries/MailSo/Imap/SearchCriterias.php
index d33c50f3d..6314f6172 100644
--- a/snappymail/v/0.0.0/app/libraries/MailSo/Imap/SearchCriterias.php
+++ b/snappymail/v/0.0.0/app/libraries/MailSo/Imap/SearchCriterias.php
@@ -19,7 +19,7 @@ namespace MailSo\Imap;
 abstract class SearchCriterias
 {
 	const
-		RegEx = 'in|e?mail|from|to|subject|has|is|date|since|before|text|body|size|larger|bigger|smaller|maxsize|minsize|keyword';
+		RegEx = 'in|e?mail|from|to|subject|has|is|date|since|before|text|body|size|larger|bigger|smaller|maxsize|minsize|keyword|older_than|newer_than';
 
 	/**
 		https://datatracker.ietf.org/doc/html/rfc3501#section-6.4.4
@@ -275,6 +275,23 @@ abstract class SearchCriterias
 								$aCriteriasResult[] = \gmdate('j-M-Y', $iDateStampTo);
 							}
 							break;
+
+						// https://github.com/the-djmaze/snappymail/issues/625
+						case 'READ':
+						case 'UNREAD':
+							$aCriteriasResult[] = \str_replace('READ', 'SEEN', $sName);
+							$bUseCache = false;
+							break;
+						case 'OLDER_THAN':
+							$aCriteriasResult[] = 'BEFORE';
+							$aCriteriasResult[] = (new \DateTime())->sub(new \DateInterval("P{$sRawValue}"))->format('j-M-Y');
+							break;
+						case 'NEWER_THAN':
+							$iTimeFilter = \max(
+								$iTimeFilter,
+								(new \DateTime())->sub(new \DateInterval("P{$sRawValue}"))->getTimestamp()
+							);
+							break;
 					}
 				}
 			}