From d6a5c882815bf5dce1d0fd3ca423fde95b94e6aa Mon Sep 17 00:00:00 2001
From: dab246 <tdvu@linagora.com>
Date: Wed, 10 May 2023 10:28:19 +0700
Subject: [PATCH] TF-1810 Create DetailedEmailCacheManager to manage
 store/get/delete cache

(cherry picked from commit b2678ba89f5f2842726464f475343b279db4251f)
---
 lib/features/caching/utils/cache_utils.dart   | 14 +----
 .../caching/utils/caching_constants.dart      |  2 +
 ...t_detailed_email_hive_cache_extension.dart | 12 ++++
 .../manager/detailed_email_cache_manager.dart | 60 +++++++++++++++++++
 4 files changed, 76 insertions(+), 12 deletions(-)
 create mode 100644 lib/features/offline_mode/extensions/list_detailed_email_hive_cache_extension.dart
 create mode 100644 lib/features/offline_mode/manager/detailed_email_cache_manager.dart

diff --git a/lib/features/caching/utils/cache_utils.dart b/lib/features/caching/utils/cache_utils.dart
index b62fb2f5b..b63140aeb 100644
--- a/lib/features/caching/utils/cache_utils.dart
+++ b/lib/features/caching/utils/cache_utils.dart
@@ -1,20 +1,10 @@
 
 import 'dart:convert';
 
-import 'package:core/utils/app_logger.dart';
-
 class CacheUtils {
-  static String encodeKey(String key) {
-    final keyEncoded = base64.encode(utf8.encode(key));
-    log('CacheUtils::encodeKey():keyHashed: $keyEncoded');
-    return keyEncoded;
-  }
+  static String encodeKey(String key) => base64.encode(utf8.encode(key));
 
-  static String decodeKey(String keyEncoded) {
-    final keyDecoded = utf8.decode(base64.decode(keyEncoded));
-    log('CacheUtils::decodeKey():keyDecoded: $keyDecoded');
-    return keyDecoded;
-  }
+  static String decodeKey(String keyEncoded) => utf8.decode(base64.decode(keyEncoded));
 }
 
 class TupleKey {
diff --git a/lib/features/caching/utils/caching_constants.dart b/lib/features/caching/utils/caching_constants.dart
index 18b0044f1..fd7987ffe 100644
--- a/lib/features/caching/utils/caching_constants.dart
+++ b/lib/features/caching/utils/caching_constants.dart
@@ -20,4 +20,6 @@ class CachingConstants {
 
   static const String fcmCacheBoxName = 'fcm_cache_box';
   static const String detailedEmailCacheBoxName = 'detailed_email_cache_box';
+
+  static const int maxNumberRecentEmails = 10;
 }
\ No newline at end of file
diff --git a/lib/features/offline_mode/extensions/list_detailed_email_hive_cache_extension.dart b/lib/features/offline_mode/extensions/list_detailed_email_hive_cache_extension.dart
new file mode 100644
index 000000000..d2b823a7b
--- /dev/null
+++ b/lib/features/offline_mode/extensions/list_detailed_email_hive_cache_extension.dart
@@ -0,0 +1,12 @@
+
+import 'package:jmap_dart_client/jmap/core/extensions/date_time_extension.dart';
+import 'package:tmail_ui_user/features/offline_mode/model/detailed_email_hive_cache.dart';
+
+extension ListDetailedEmailHiveCacheExtension on List<DetailedEmailHiveCache> {
+
+  void sortByLatestTime() {
+    sort((detailedEmail1, detailedEmail2) {
+      return detailedEmail1.timeSaved.compareToSort(detailedEmail2.timeSaved, false);
+    });
+  }
+}
\ No newline at end of file
diff --git a/lib/features/offline_mode/manager/detailed_email_cache_manager.dart b/lib/features/offline_mode/manager/detailed_email_cache_manager.dart
new file mode 100644
index 000000000..2e5ddc7c0
--- /dev/null
+++ b/lib/features/offline_mode/manager/detailed_email_cache_manager.dart
@@ -0,0 +1,60 @@
+
+import 'package:core/utils/app_logger.dart';
+import 'package:jmap_dart_client/jmap/account_id.dart';
+import 'package:jmap_dart_client/jmap/core/user_name.dart';
+import 'package:model/extensions/account_id_extensions.dart';
+import 'package:tmail_ui_user/features/caching/clients/detailed_email_hive_cache_client.dart';
+import 'package:tmail_ui_user/features/caching/utils/cache_utils.dart';
+import 'package:tmail_ui_user/features/caching/utils/caching_constants.dart';
+import 'package:tmail_ui_user/features/offline_mode/extensions/list_detailed_email_hive_cache_extension.dart';
+import 'package:tmail_ui_user/features/offline_mode/model/detailed_email_hive_cache.dart';
+
+class DetailedEmailCacheManager {
+
+  final DetailedEmailHiveCacheClient _cacheClient;
+
+  DetailedEmailCacheManager(this._cacheClient);
+
+  Future<void> handleStoreDetailedEmailToCache(
+    AccountId accountId,
+    UserName userName,
+    DetailedEmailHiveCache detailedEmailCache
+  ) async {
+    final listDetailedEmails = await getAllDetailedEmails(accountId, userName);
+
+    if (listDetailedEmails.length >= CachingConstants.maxNumberRecentEmails) {
+      final latestEmail = listDetailedEmails.last;
+      log('DetailedEmailCacheManager::handleStoreDetailedEmailToCache():latestEmail: $latestEmail');
+      await removeDetailedEmail(accountId, userName, latestEmail.emailId);
+    }
+
+    return insertDetailedEmail(accountId, userName, detailedEmailCache);
+  }
+
+  Future<void> insertDetailedEmail(
+    AccountId accountId,
+    UserName userName,
+    DetailedEmailHiveCache detailedEmailCache
+  ) {
+    final keyCache = TupleKey(detailedEmailCache.emailId, accountId.asString, userName.value).encodeKey;
+    log('DetailedEmailCacheManager::storeDetailedEmail(): $keyCache');
+    return _cacheClient.insertItem(keyCache, detailedEmailCache);
+  }
+
+  Future<void> removeDetailedEmail(
+    AccountId accountId,
+    UserName userName,
+    String emailId
+  ) {
+    final keyCache = TupleKey(emailId, accountId.asString, userName.value).encodeKey;
+    log('DetailedEmailCacheManager::removeDetailedEmail(): $keyCache');
+    return _cacheClient.deleteItem(keyCache);
+  }
+
+  Future<List<DetailedEmailHiveCache>> getAllDetailedEmails(AccountId accountId, UserName userName) async {
+    final detailedEmailCacheList = await _cacheClient.getListByTupleKey(accountId.asString, userName.value);
+    detailedEmailCacheList.sortByLatestTime();
+    log('DetailedEmailCacheManager::getAllDetailedEmails():SIZE: ${detailedEmailCacheList.length}');
+    return detailedEmailCacheList;
+  }
+}
\ No newline at end of file