Added the API to get list of employee with advance payments

Marco.Pms.Services/Controllers/ExpenseController.cs

@@ -292,6 +292,15 @@ namespace Marco.Pms.Services.Controllers
             return StatusCode(response.StatusCode, response);
 
         }
+
+        [HttpGet("get/advance-payment/employee/list")]
+        public async Task<IActionResult> GetAdavncePaymentEmployeeList([FromQuery] string? searchString)
+        {
+            var loggedInEmployee = await _userHelper.GetCurrentEmployeeAsync();
+            var response = await _expensesService.GetAdvancePaymentEmployeeListAsync(searchString, loggedInEmployee, tenantId);
+
+            return StatusCode(response.StatusCode, response);
+        }
         #endregion
     }
 }

Marco.Pms.Services/Service/ExpensesService.cs

@@ -3194,6 +3194,51 @@ namespace Marco.Pms.Services.Service
                 _logger.LogInfo("End GetAdvancePaymentTransactionAsync called by EmployeeId: {EmployeeId}", loggedInEmployee.Id);
             }
         }
+        public async Task<ApiResponse<object>> GetAdvancePaymentEmployeeListAsync(string? searchString, Employee loggedInEmployee, Guid tenantId)
+        {
+            _logger.LogInfo("Start GetAdvancePaymentEmployeeListAsync called by EmployeeId: {EmployeeId} for TenantId: {TenantId} with SearchString: {SearchString}",
+                loggedInEmployee.Id, tenantId, string.IsNullOrWhiteSpace(searchString) ? "NULL or Empty" : searchString);
+
+            try
+            {
+                // Base query: select employees who have advance payment transactions for the tenant
+                var employeeQuery = _context.AdvancePaymentTransactions
+                    .Include(apt => apt.Employee)
+                        .ThenInclude(e => e!.JobRole)
+                    .Where(apt => apt.TenantId == tenantId && apt.Employee != null)
+                    .Select(apt => apt.Employee!);
+
+                // Apply search filter if provided (concatenate first and last name for full name search)
+                if (!string.IsNullOrWhiteSpace(searchString))
+                {
+                    employeeQuery = employeeQuery.Where(e =>
+                        (e.FirstName + " " + e.LastName).Contains(searchString));
+                }
+
+                // Fetch distinct employees matching criteria
+                var employees = await employeeQuery
+                    .Distinct()
+                    .ToListAsync();
+
+                // Map to response view model
+                var response = _mapper.Map<List<BasicEmployeeVM>>(employees);
+
+                _logger.LogInfo("Fetched {Count} employees with advance payments for TenantId: {TenantId}", employees.Count, tenantId);
+
+                return ApiResponse<object>.SuccessResponse(response, "List of employees having advance payments fetched successfully.", 200);
+            }
+            catch (Exception ex)
+            {
+                _logger.LogError(ex, "Error in GetAdvancePaymentEmployeeListAsync called by EmployeeId: {EmployeeId} for TenantId: {TenantId}: {Message}",
+                    loggedInEmployee.Id, tenantId, ex.Message);
+
+                return ApiResponse<object>.ErrorResponse("An error occurred while fetching employees with advance payments.", ex.Message, 500);
+            }
+            finally
+            {
+                _logger.LogInfo("End GetAdvancePaymentEmployeeListAsync called by EmployeeId: {EmployeeId}", loggedInEmployee.Id);
+            }
+        }
 
         #endregion
 

Marco.Pms.Services/Service/ServiceInterfaces/IExpensesService.cs

@@ -39,6 +39,7 @@ namespace Marco.Pms.Services.Service.ServiceInterfaces
 
         #region =================================================================== Advance Payment Functions ===================================================================
         Task<ApiResponse<object>> GetAdvancePaymentTransactionAsync(Guid id, Employee loggedInEmployee, Guid tenantId);
+        Task<ApiResponse<object>> GetAdvancePaymentEmployeeListAsync(string? searchString, Employee loggedInEmployee, Guid tenantId);
 
         #endregion