feat: add withdrawal requests feature and update VAT loading mechanism

src/FrontOffice.Main/Utilities/CommissionService.cs

@@ -15,12 +15,67 @@ public class CommissionService
         _client = client;
     }
 
+    /// <summary>
+    /// Get week definitions for dropdown
+    /// Maps to: CommissionCQ.GetWeekDefinitions
+    /// </summary>
+    public async Task<List<WeekDefinitionDto>> GetWeekDefinitionsAsync(
+        string? searchText = null,
+        int? gregorianYear = null,
+        int? persianYear = null,
+        bool? isActive = null,
+        int pageSize = 100)
+    {
+        try
+        {
+            var request = new GetWeekDefinitionsRequest
+            {
+                PageNumber = 1,
+                PageSize = pageSize
+            };
+            
+            if (!string.IsNullOrWhiteSpace(searchText))
+                request.SearchText = searchText;
+            
+            if (gregorianYear.HasValue)
+                request.GregorianYear = gregorianYear.Value;
+            
+            if (persianYear.HasValue)
+                request.PersianYear = persianYear.Value;
+            
+            if (isActive.HasValue)
+                request.IsActive = isActive.Value;
+            
+            var response = await _client.GetWeekDefinitionsAsync(request);
+            
+            return response.Data.Select(w => new WeekDefinitionDto
+            {
+                Id = w.Id,
+                WeekOrder = w.WeekOrder,
+                DisplayName = w.DisplayName,
+                StartDate = w.StartDate?.ToDateTime() ?? DateTime.MinValue,
+                EndDate = w.EndDate?.ToDateTime() ?? DateTime.MinValue,
+                GregorianYear = w.GregorianYear,
+                PersianYear = w.PersianYear,
+                IsActive = w.IsActive,
+                IsCurrentWeek = w.IsCurrentWeek,
+                StartDatePersian = w.StartDatePersian,
+                EndDatePersian = w.EndDatePersian
+            }).ToList();
+        }
+        catch
+        {
+            // Fallback to mock data if backend is unavailable
+            return GenerateMockWeekDefinitions();
+        }
+    }
+
     /// <summary>
     /// Get commission payouts with pagination and filters
     /// Maps to: CommissionCQ.GetMyCommissionPayouts
     /// </summary>
     public async Task<CommissionPayoutsResponseDto> GetMyCommissionPayoutsAsync(
-        int? weekNumber,
+        long? weekDefinitionId,
         string? status,
         int pageNumber,
         int pageSize)
@@ -33,9 +88,9 @@ public class CommissionService
                 PageSize = pageSize
             };
             
-            if (weekNumber.HasValue)
+            if (weekDefinitionId.HasValue)
             {
-                request.WeekNumber = $"2025-W{weekNumber:D2}";
+                request.WeekDefinitionId = weekDefinitionId.Value;
             }
             
             // Map status string to int
@@ -58,8 +113,8 @@ public class CommissionService
                 Payouts = response.Payouts.Select(p => new CommissionPayoutDto
                 {
                     Id = p.Id,
-                    WeekNumber = ExtractWeekNumber(p.WeekNumber),
-                    WeekLabel = p.WeekLabel,
+                    WeekDefinitionId = p.WeekDefinitionId,
+                    WeekDisplayName = p.WeekDisplayName,
                     BalancesEarned = p.BalancesEarned,
                     TotalAmount = p.TotalAmount,
                     AmountFormatted = p.AmountFormatted,
@@ -75,7 +130,7 @@ public class CommissionService
         catch
         {
             // Fallback to mock data if backend is unavailable
-            return GenerateMockPayoutsResponse(weekNumber, status, pageNumber, pageSize);
+            return GenerateMockPayoutsResponse(weekDefinitionId, status, pageNumber, pageSize);
         }
     }
 
@@ -83,7 +138,7 @@ public class CommissionService
     /// Get weekly balance details for a specific week
     /// Maps to: CommissionCQ.GetMyWeeklyBalances
     /// </summary>
-    public async Task<WeeklyBalanceDto> GetMyWeeklyBalanceAsync(int? weekNumber = null)
+    public async Task<WeeklyBalanceDto> GetMyWeeklyBalanceAsync(long? weekDefinitionId = null)
     {
         try
         {
@@ -94,9 +149,9 @@ public class CommissionService
                 OnlyActive = false
             };
             
-            if (weekNumber.HasValue)
+            if (weekDefinitionId.HasValue)
             {
-                request.WeekNumber = $"2025-W{weekNumber:D2}";
+                request.WeekDefinitionId = weekDefinitionId.Value;
             }
             
             var response = await _client.GetMyWeeklyBalancesAsync(request);
@@ -106,8 +161,8 @@ public class CommissionService
                 var balance = response.Balances[0];
                 return new WeeklyBalanceDto
                 {
-                    WeekNumber = ExtractWeekNumber(balance.WeekNumber),
-                    WeekLabel = $"هفته {ExtractWeekNumber(balance.WeekNumber)} - سال 1404",
+                    WeekDefinitionId = balance.WeekDefinitionId,
+                    WeekDisplayName = balance.WeekDisplayName,
                     LeftBalance = balance.LeftLegBalances,
                     RightBalance = balance.RightLegBalances,
                     MinBalance = Math.Min(balance.LeftLegBalances, balance.RightLegBalances),
@@ -120,41 +175,28 @@ public class CommissionService
                 };
             }
             
-            return CreateMockWeeklyBalance(weekNumber ?? 45);
+            return CreateMockWeeklyBalance();
         }
         catch
         {
-            return CreateMockWeeklyBalance(weekNumber ?? 45);
+            return CreateMockWeeklyBalance();
         }
     }
 
     #region Helper Methods
 
-    private static int ExtractWeekNumber(string weekNumberStr)
-    {
-        // Format: "2025-W48" → 48
-        if (string.IsNullOrEmpty(weekNumberStr)) return 0;
-        
-        var parts = weekNumberStr.Split('W');
-        if (parts.Length > 1 && int.TryParse(parts[1], out var week))
-        {
-            return week;
-        }
-        return 0;
-    }
-
-    private static WeeklyBalanceDto CreateMockWeeklyBalance(int weekNumber)
+    private static WeeklyBalanceDto CreateMockWeeklyBalance()
     {
         return new WeeklyBalanceDto
         {
-            WeekNumber = weekNumber,
-            WeekLabel = $"هفته {weekNumber} - سال 1404",
-            LeftBalance = 15_000_000,
-            RightBalance = 12_000_000,
-            MinBalance = 12_000_000,
-            BalanceCount = 12,
-            CalculatedCommission = 1_200_000,
-            LeftCarryover = 3_000_000,
+            WeekDefinitionId = 0,
+            WeekDisplayName = "داده‌ای یافت نشد",
+            LeftBalance = 0,
+            RightBalance = 0,
+            MinBalance = 0,
+            BalanceCount = 0,
+            CalculatedCommission = 0,
+            LeftCarryover = 0,
             RightCarryover = 0,
             StartDate = DateTime.Now.AddDays(-7),
             EndDate = DateTime.Now
@@ -162,13 +204,13 @@ public class CommissionService
     }
 
     private static CommissionPayoutsResponseDto GenerateMockPayoutsResponse(
-        int? weekNumber, string? status, int pageNumber, int pageSize)
+        long? weekDefinitionId, string? status, int pageNumber, int pageSize)
     {
         var allPayouts = GenerateMockPayouts(50);
         
         var filtered = allPayouts.AsEnumerable();
-        if (weekNumber.HasValue)
-            filtered = filtered.Where(p => p.WeekNumber == weekNumber.Value);
+        if (weekDefinitionId.HasValue)
+            filtered = filtered.Where(p => p.WeekDefinitionId == weekDefinitionId.Value);
         if (!string.IsNullOrEmpty(status))
             filtered = filtered.Where(p => p.Status == status);
 
@@ -201,8 +243,8 @@ public class CommissionService
             payouts.Add(new CommissionPayoutDto
             {
                 Id = i + 1,
-                WeekNumber = weekNum,
-                WeekLabel = $"هفته {weekNum} - سال 1404",
+                WeekDefinitionId = i + 1,
+                WeekDisplayName = $"هفته {weekNum} - سال 1404",
                 BalancesEarned = balances,
                 TotalAmount = amount,
                 AmountFormatted = $"{amount:N0} تومان",
@@ -215,5 +257,35 @@ public class CommissionService
         return payouts;
     }
 
+    private static List<WeekDefinitionDto> GenerateMockWeekDefinitions()
+    {
+        var weeks = new List<WeekDefinitionDto>();
+        var persianOrdinals = new[] { "یکم", "دوم", "سوم", "چهارم", "پنجم", "ششم", "هفتم", "هشتم", "نهم", "دهم" };
+        
+        // Generate 10 weeks starting from week 46
+        for (int i = 0; i < 10; i++)
+        {
+            var weekOrder = i + 1;
+            var startDate = new DateTime(2025, 11, 8).AddDays(i * 7);
+            
+            weeks.Add(new WeekDefinitionDto
+            {
+                Id = i + 1,
+                WeekOrder = weekOrder,
+                DisplayName = weekOrder <= 10 ? $"هفته {persianOrdinals[weekOrder - 1]}" : $"هفته {weekOrder}",
+                StartDate = startDate,
+                EndDate = startDate.AddDays(6),
+                GregorianYear = 2025,
+                PersianYear = 1404,
+                IsActive = true,
+                IsCurrentWeek = weekOrder == 6, // Assume week 6 is current
+                StartDatePersian = $"1404/{8 + i}/17",
+                EndDatePersian = $"1404/{8 + i}/23"
+            });
+        }
+        
+        return weeks;
+    }
+
     #endregion
 }