From 069e504b61280da371ec77ee214c65d6b5611c13 Mon Sep 17 00:00:00 2001
From: Vishnu Mohandas <vishnu@vishnu.tech>
Date: Fri, 5 Feb 2021 22:31:55 +0530
Subject: [PATCH] Cache memories

---
 lib/services/memories_service.dart | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/lib/services/memories_service.dart b/lib/services/memories_service.dart
index 9532b0326..b320a95c8 100644
--- a/lib/services/memories_service.dart
+++ b/lib/services/memories_service.dart
@@ -11,6 +11,7 @@ class MemoriesService extends ChangeNotifier {
   final _logger = Logger("MemoryService");
   final _memoriesDB = MemoriesDB.instance;
   final _filesDB = FilesDB.instance;
+  final _cachedMemories = List<Memory>();
   static final microSecondsInADay = 86400000000;
   static final daysInAYear = 365;
   static final yearsBefore = 30;
@@ -27,6 +28,9 @@ class MemoriesService extends ChangeNotifier {
   }
 
   Future<List<Memory>> getMemories() async {
+    if (_cachedMemories.isNotEmpty) {
+      return _cachedMemories;
+    }
     final filter = ImportantItemsFilter();
     final files = List<File>();
     final presentTime = DateTime.now();
@@ -62,6 +66,8 @@ class MemoriesService extends ChangeNotifier {
       }
     }
     _logger.info("Number of memories: " + memories.length.toString());
+    _cachedMemories.clear();
+    _cachedMemories.addAll(memories);
     return memories;
   }