:recycler: Refactor code

lib/src/modals.dart

@@ -145,6 +145,10 @@ class RecurrenceSettings {
   final List<int> weekdays;
   final List<DateTime>? excludeDates;
 
+  // For recurrence patterns other than weekly, where the event may not repeat
+  // on the start date.
+  // Excludes one occurrence since the event is already counted
+  // for the start date.
   int get _occurrences => (occurrences ?? 1) - 1;
 
   /// Calculates the end date for a monthly recurring event
@@ -157,6 +161,7 @@ class RecurrenceSettings {
   /// Example: If the start date is 29-01-25 and the recurrence ends
   /// after 2 occurrences,
   /// the end date will be 29-03-25 because February does not have a 29th date.
+  /// Similarly for 30/31 date as well.
   DateTime get _endDateMonthly {
     var repetition = _occurrences;
     var nextDate = startDate;
@@ -171,7 +176,6 @@ class RecurrenceSettings {
       // Adjust the date if the resulting month does not have the same day
       // as the start date
       // Example: DateTime(2024, 10 + 1, 31) gives 2024-12-01
-      // TODO(Shubham): Review if in next consecutive month as well date does not found?
       if (nextDate.day != startDate.day) {
         nextDate = DateTime(
           nextDate.year,
@@ -285,7 +289,7 @@ class RecurrenceSettings {
     }
   }
 
-  /// Calculates the end date for a recurring event based on the specified
+  /// Returns the end date for a recurring event based on the specified
   /// number of occurrences.
   ///
   /// This method requires at least one occurrence to process the recurrence.