Added new API to get employee list

Marco.Pms.Services/Controllers/EmployeeController.cs

@@ -120,6 +120,46 @@ namespace MarcoBMS.Services.Controllers
             }
         }
 
+        [HttpGet("list/project/{projectId}")]
+        public async Task<IActionResult> GetEmployeesByProjectAsync(Guid projectId, [FromQuery] string searchString)
+        {
+            try
+            {
+                // Get the currently logged-in employee information
+                var loggedInEmployee = await _userHelper.GetCurrentEmployeeAsync();
+
+                // Check if the logged-in employee has permission for the requested project
+                var hasProjectPermission = await _permission.HasProjectPermission(loggedInEmployee, projectId);
+                if (!hasProjectPermission)
+                {
+                    _logger.LogWarning("User {EmployeeId} attempts to get employees for project {ProjectId} without permission", loggedInEmployee.Id, projectId);
+                    return StatusCode(403, ApiResponse<object>.ErrorResponse("Access denied", "User does not have access to view the employees for this project", 403));
+                }
+
+                // Fetch employees allocated to the project matching the search criteria
+                var employees = await _context.ProjectAllocations
+                    .AsNoTracking()  // Improves performance by disabling change tracking for read-only query
+                    .Include(pa => pa.Employee)
+                        .ThenInclude(e => e!.JobRole)
+                    .Where(pa => pa.ProjectId == projectId && pa.Employee != null &&
+                    (pa.Employee.FirstName + " " + pa.Employee.LastName).Contains(searchString))
+                    .Select(pa => pa.Employee!)
+                    .ToListAsync();
+
+                _logger.LogInfo("Employees fetched for project {ProjectId} by user {EmployeeId}. Count: {Count}", projectId, loggedInEmployee.Id, employees.Count);
+
+                // Return the employee list wrapped in a successful API response
+                return Ok(ApiResponse<object>.SuccessResponse(employees, "Employee list fetched successfully", 200));
+            }
+            catch (Exception ex)
+            {
+                // Log the exception and return a 500 status code with error message
+                _logger.LogError(ex, "Error occurred while fetching employees for project {ProjectId}", projectId);
+                return StatusCode(500, ApiResponse<object>.ErrorResponse("Internal server error", "An unexpected error occurred", 500));
+            }
+        }
+
+
         [HttpGet("list/{projectId?}")]
         public async Task<IActionResult> GetEmployeesByProjectAsync(Guid? projectId, [FromQuery] bool showInactive = false)
         {