WIP

BudgetApp.Data/Repositories/SalaryRepository.cs

@@ -129,9 +129,10 @@ public class SalaryRepository(ApplicationDbContext db) : ISalaryRepository
 
     private static DateTime GetNextDate(DateTime from, Salary salary) => salary.RecurrenceType switch
     {
-        RecurrenceType.Weekly  => from.AddDays(7),
-        RecurrenceType.Monthly => from.AddMonths(1),
-        RecurrenceType.Yearly  => from.AddYears(1),
-        _                      => from.AddMonths(1)
+        RecurrenceType.Weekly     => from.AddDays(7),
+        RecurrenceType.FourWeekly => from.AddDays(28),
+        RecurrenceType.Monthly    => from.AddMonths(1),
+        RecurrenceType.Yearly     => from.AddYears(1),
+        _                         => from.AddMonths(1)
     };
 }

BudgetApp.Data/Repositories/TransactionRepository.cs

@@ -278,10 +278,11 @@ public class TransactionRepository(ApplicationDbContext db) : ITransactionReposi
 
     internal static DateTime GetNextOccurrence(DateTime current, RecurrenceType recurrence) => recurrence switch
     {
-        RecurrenceType.Daily   => current.AddDays(1),
-        RecurrenceType.Weekly  => current.AddDays(7),
-        RecurrenceType.Monthly => current.AddMonths(1),
-        RecurrenceType.Yearly  => current.AddYears(1),
-        _                      => DateTime.MaxValue
+        RecurrenceType.Daily      => current.AddDays(1),
+        RecurrenceType.Weekly     => current.AddDays(7),
+        RecurrenceType.FourWeekly => current.AddDays(28),
+        RecurrenceType.Monthly    => current.AddMonths(1),
+        RecurrenceType.Yearly     => current.AddYears(1),
+        _                         => DateTime.MaxValue
     };
 }