From 87f161b4854843291a06bc5f5cfb1942b492a27c Mon Sep 17 00:00:00 2001
From: BadgerHobbs <andyjriggs@gmail.com>
Date: Sat, 21 Dec 2024 13:48:58 +0000
Subject: [PATCH] Added `repeatStartTime` property to periodic notifications.

---
 .../flutter_local_notifications_plugin.dart   | 24 ++++++++++++++-----
 .../platform_flutter_local_notifications.dart | 18 +++++++++-----
 2 files changed, 30 insertions(+), 12 deletions(-)

diff --git a/flutter_local_notifications/lib/src/flutter_local_notifications_plugin.dart b/flutter_local_notifications/lib/src/flutter_local_notifications_plugin.dart
index bc866a073..9931d2910 100644
--- a/flutter_local_notifications/lib/src/flutter_local_notifications_plugin.dart
+++ b/flutter_local_notifications/lib/src/flutter_local_notifications_plugin.dart
@@ -399,6 +399,7 @@ class FlutterLocalNotificationsPlugin {
     NotificationDetails notificationDetails, {
     required AndroidScheduleMode androidScheduleMode,
     String? payload,
+    int? repeatStartTime,
   }) async {
     if (kIsWeb) {
       return;
@@ -409,17 +410,22 @@ class FlutterLocalNotificationsPlugin {
           ?.periodicallyShow(id, title, body, repeatInterval,
               notificationDetails: notificationDetails.android,
               payload: payload,
-              scheduleMode: androidScheduleMode);
+              scheduleMode: androidScheduleMode,
+              repeatStartTime: repeatStartTime);
     } else if (defaultTargetPlatform == TargetPlatform.iOS) {
       await resolvePlatformSpecificImplementation<
               IOSFlutterLocalNotificationsPlugin>()
           ?.periodicallyShow(id, title, body, repeatInterval,
-              notificationDetails: notificationDetails.iOS, payload: payload);
+              notificationDetails: notificationDetails.iOS,
+              payload: payload,
+              repeatStartTime: repeatStartTime);
     } else if (defaultTargetPlatform == TargetPlatform.macOS) {
       await resolvePlatformSpecificImplementation<
               MacOSFlutterLocalNotificationsPlugin>()
           ?.periodicallyShow(id, title, body, repeatInterval,
-              notificationDetails: notificationDetails.macOS, payload: payload);
+              notificationDetails: notificationDetails.macOS,
+              payload: payload,
+              repeatStartTime: repeatStartTime);
     } else if (defaultTargetPlatform == TargetPlatform.windows) {
       throw UnsupportedError('Notifications do not repeat on Windows');
     } else {
@@ -446,6 +452,7 @@ class FlutterLocalNotificationsPlugin {
     NotificationDetails notificationDetails, {
     AndroidScheduleMode androidScheduleMode = AndroidScheduleMode.exact,
     String? payload,
+    int? repeatStartTime,
   }) async {
     if (kIsWeb) {
       return;
@@ -457,19 +464,24 @@ class FlutterLocalNotificationsPlugin {
               id, title, body, repeatDurationInterval,
               notificationDetails: notificationDetails.android,
               payload: payload,
-              scheduleMode: androidScheduleMode);
+              scheduleMode: androidScheduleMode,
+              repeatStartTime: repeatStartTime);
     } else if (defaultTargetPlatform == TargetPlatform.iOS) {
       await resolvePlatformSpecificImplementation<
               IOSFlutterLocalNotificationsPlugin>()
           ?.periodicallyShowWithDuration(
               id, title, body, repeatDurationInterval,
-              notificationDetails: notificationDetails.iOS, payload: payload);
+              notificationDetails: notificationDetails.iOS,
+              payload: payload,
+              repeatStartTime: repeatStartTime);
     } else if (defaultTargetPlatform == TargetPlatform.macOS) {
       await resolvePlatformSpecificImplementation<
               MacOSFlutterLocalNotificationsPlugin>()
           ?.periodicallyShowWithDuration(
               id, title, body, repeatDurationInterval,
-              notificationDetails: notificationDetails.macOS, payload: payload);
+              notificationDetails: notificationDetails.macOS,
+              payload: payload,
+              repeatStartTime: repeatStartTime);
     } else {
       await FlutterLocalNotificationsPlatform.instance
           .periodicallyShowWithDuration(
diff --git a/flutter_local_notifications/lib/src/platform_flutter_local_notifications.dart b/flutter_local_notifications/lib/src/platform_flutter_local_notifications.dart
index 7781f4f21..80cac4001 100644
--- a/flutter_local_notifications/lib/src/platform_flutter_local_notifications.dart
+++ b/flutter_local_notifications/lib/src/platform_flutter_local_notifications.dart
@@ -354,13 +354,14 @@ class AndroidFlutterLocalNotificationsPlugin
     AndroidNotificationDetails? notificationDetails,
     String? payload,
     AndroidScheduleMode scheduleMode = AndroidScheduleMode.exact,
+    int? repeatStartTime,
   }) async {
     validateId(id);
     await _channel.invokeMethod('periodicallyShow', <String, Object?>{
       'id': id,
       'title': title,
       'body': body,
-      'calledAt': clock.now().millisecondsSinceEpoch,
+      'calledAt': repeatStartTime ?? clock.now().millisecondsSinceEpoch,
       'repeatInterval': repeatInterval.index,
       'platformSpecifics':
           _buildPlatformSpecifics(notificationDetails, scheduleMode),
@@ -377,6 +378,7 @@ class AndroidFlutterLocalNotificationsPlugin
     AndroidNotificationDetails? notificationDetails,
     String? payload,
     AndroidScheduleMode scheduleMode = AndroidScheduleMode.exact,
+    int? repeatStartTime,
   }) async {
     validateId(id);
     validateRepeatDurationInterval(repeatDurationInterval);
@@ -385,7 +387,7 @@ class AndroidFlutterLocalNotificationsPlugin
       'id': id,
       'title': title,
       'body': body,
-      'calledAt': clock.now().millisecondsSinceEpoch,
+      'calledAt': repeatStartTime ?? clock.now().millisecondsSinceEpoch,
       'repeatIntervalMilliseconds': repeatDurationInterval.inMilliseconds,
       'platformSpecifics':
           _buildPlatformSpecifics(notificationDetails, scheduleMode),
@@ -754,13 +756,14 @@ class IOSFlutterLocalNotificationsPlugin
     RepeatInterval repeatInterval, {
     DarwinNotificationDetails? notificationDetails,
     String? payload,
+    int? repeatStartTime,
   }) async {
     validateId(id);
     await _channel.invokeMethod('periodicallyShow', <String, Object?>{
       'id': id,
       'title': title,
       'body': body,
-      'calledAt': clock.now().millisecondsSinceEpoch,
+      'calledAt': repeatStartTime ?? clock.now().millisecondsSinceEpoch,
       'repeatInterval': repeatInterval.index,
       'platformSpecifics': notificationDetails?.toMap(),
       'payload': payload ?? ''
@@ -775,6 +778,7 @@ class IOSFlutterLocalNotificationsPlugin
     Duration repeatDurationInterval, {
     DarwinNotificationDetails? notificationDetails,
     String? payload,
+    int? repeatStartTime,
   }) async {
     validateId(id);
     validateRepeatDurationInterval(repeatDurationInterval);
@@ -783,7 +787,7 @@ class IOSFlutterLocalNotificationsPlugin
       'id': id,
       'title': title,
       'body': body,
-      'calledAt': clock.now().millisecondsSinceEpoch,
+      'calledAt': repeatStartTime ?? clock.now().millisecondsSinceEpoch,
       'repeatIntervalMilliseconds': repeatDurationInterval.inMilliseconds,
       'platformSpecifics': notificationDetails?.toMap(),
       'payload': payload ?? ''
@@ -948,13 +952,14 @@ class MacOSFlutterLocalNotificationsPlugin
     RepeatInterval repeatInterval, {
     DarwinNotificationDetails? notificationDetails,
     String? payload,
+    int? repeatStartTime,
   }) async {
     validateId(id);
     await _channel.invokeMethod('periodicallyShow', <String, Object?>{
       'id': id,
       'title': title,
       'body': body,
-      'calledAt': clock.now().millisecondsSinceEpoch,
+      'calledAt': repeatStartTime ?? clock.now().millisecondsSinceEpoch,
       'repeatInterval': repeatInterval.index,
       'platformSpecifics': notificationDetails?.toMap(),
       'payload': payload ?? ''
@@ -969,6 +974,7 @@ class MacOSFlutterLocalNotificationsPlugin
     Duration repeatDurationInterval, {
     DarwinNotificationDetails? notificationDetails,
     String? payload,
+    int? repeatStartTime,
   }) async {
     validateId(id);
     validateRepeatDurationInterval(repeatDurationInterval);
@@ -977,7 +983,7 @@ class MacOSFlutterLocalNotificationsPlugin
       'id': id,
       'title': title,
       'body': body,
-      'calledAt': clock.now().millisecondsSinceEpoch,
+      'calledAt': repeatStartTime ?? clock.now().millisecondsSinceEpoch,
       'repeatIntervalMilliseconds': repeatDurationInterval.inMilliseconds,
       'platformSpecifics': notificationDetails?.toMap(),
       'payload': payload ?? ''