Implement an API endpoint that allows for to suspension of an employee.

Marco.Pms.Services/Controllers/EmployeeController.cs

@@ -1,10 +1,12 @@
 using System.Data;
 using System.Net;
 using Marco.Pms.DataAccess.Data;
+using Marco.Pms.Model.Dtos.Attendance;
 using Marco.Pms.Model.Dtos.Employees;
 using Marco.Pms.Model.Employees;
 using Marco.Pms.Model.Entitlements;
 using Marco.Pms.Model.Mapper;
+using Marco.Pms.Model.Projects;
 using Marco.Pms.Model.Utilities;
 using Marco.Pms.Model.ViewModels;
 using Marco.Pms.Model.ViewModels.Employee;
@@ -30,10 +32,10 @@ namespace MarcoBMS.Services.Controllers
         private readonly EmployeeHelper _employeeHelper;
         private readonly UserHelper _userHelper;
         private readonly IConfiguration _configuration;
-
+        private readonly ILoggingService _logger;
 
         public EmployeeController(UserManager<ApplicationUser> userManager, IEmailSender emailSender,
-            ApplicationDbContext context, EmployeeHelper employeeHelper, UserHelper userHelper, IConfiguration configuration)
+            ApplicationDbContext context, EmployeeHelper employeeHelper, UserHelper userHelper, IConfiguration configuration, ILoggingService logger)
         {
             _context = context;
             _userManager = userManager;
@@ -41,6 +43,7 @@ namespace MarcoBMS.Services.Controllers
             _employeeHelper = employeeHelper;
             _userHelper = userHelper;
             _configuration = configuration;
+            _logger = logger;
         }
 
         [HttpGet]
@@ -204,15 +207,15 @@ namespace MarcoBMS.Services.Controllers
             if (model.Email != null)
             {
                 // Check if user already exists by email
-                IdentityUser? existingUser = await _userHelper.GetRegisteredUser(model.Email);
+                IdentityUser existingUser = await _userHelper.GetRegisteredUser(model.Email) ?? new IdentityUser();
-                var existingEmployee = await _context.Employees.FirstOrDefaultAsync(e => e.Id == model.Id);
+                var existingEmployee = await _context.Employees.FirstOrDefaultAsync(e => e.Id == model.Id && e.IsActive == true);
 
                 if (existingUser != null)
                 {
                     /* Identity user Exists - Create/update employee Employee */
 
                     // Update Employee record
-                    existingEmployee = await _context.Employees.FirstOrDefaultAsync(e => e.Email == model.Email && e.Id == model.Id);
+                    existingEmployee = await _context.Employees.FirstOrDefaultAsync(e => e.Email == model.Email && e.Id == model.Id && e.IsActive == true);
                     if (existingEmployee != null)
                     {
                         existingEmployee = GetUpdateEmployeeModel(model, existingEmployee, existingUser);
@@ -289,7 +292,7 @@ namespace MarcoBMS.Services.Controllers
             }
             else
             {
-                var existingEmployee = await _context.Employees.FirstOrDefaultAsync(e => e.Id == model.Id);
+                var existingEmployee = await _context.Employees.FirstOrDefaultAsync(e => e.Id == model.Id && e.IsActive == true);
                 if (existingEmployee != null)
                 {
                     existingEmployee = GetUpdateEmployeeModel(model, existingEmployee);
@@ -299,22 +302,100 @@ namespace MarcoBMS.Services.Controllers
                 else
                 {
                     // Create Employee record if missing
-                    Employee newEmployee = GetNewEmployeeModel(model, tenantId, null);
+                    Employee newEmployee = GetNewEmployeeModel(model, tenantId, string.Empty);
                     _context.Employees.Add(newEmployee);
                 }
-
+                try
-                await _context.SaveChangesAsync();
+                {
+                    await _context.SaveChangesAsync();
+                }
+                catch (Exception ex)
+                {
+                    return BadRequest(ex.InnerException?.Message ?? ex.Message);
+                }
                 responsemessage = "User created successfully.";
 
             }
             return Ok(ApiResponse<object>.SuccessResponse("Success.", responsemessage, 200));
         }
-#nullable disable
+
+        [HttpDelete("{id}")]
+        public async Task<IActionResult> SuspendEmployee(Guid id)
+        {
+            Guid tenantId = _userHelper.GetTenantId();
+            Employee? employee = await _context.Employees.FirstOrDefaultAsync(e => e.Id == id && e.TenantId == tenantId);
+            if (employee != null)
+            {
+                var assignedToTasks = await _context.TaskMembers.Where(t => t.EmployeeId == employee.Id).ToListAsync();
+                if (assignedToTasks.Count != 0)
+                {
+                    List<Guid> taskIds = assignedToTasks.Select(t => t.TaskAllocationId).ToList();
+                    var tasks = await _context.TaskAllocations.Where(t => taskIds.Contains(t.Id)).ToListAsync();
+
+                    foreach (var assignedToTask in assignedToTasks)
+                    {
+                        var task = tasks.Find(t => t.Id == assignedToTask.TaskAllocationId);
+                        if (task != null && task.CompletedTask == 0)
+                        {
+                            _logger.LogWarning("Employee with ID {EmployeeId} is currently assigned to any incomplete task", employee.Id);
+                            return BadRequest(ApiResponse<object>.ErrorResponse("Employee is currently assigned to any incomplete task", "Employee is currently assigned to any incomplete task", 400));
+                        }
+                    }
+                }
+                var attendance = await _context.Attendes.Where(a => a.EmployeeID == employee.Id && (a.OutTime == null || a.Activity == ATTENDANCE_MARK_TYPE.REQUEST_REGULARIZE)).ToListAsync();
+                if (attendance.Count != 0)
+                {
+                    _logger.LogWarning("Employee with ID {EmployeeId} have any pending check-out or regularization requests", employee.Id);
+                    return BadRequest(ApiResponse<object>.ErrorResponse("Employee have any pending check-out or regularization requests", "Employee have any pending check-out or regularization requests", 400));
+                }
+                employee.IsActive = false;
+                var projectAllocations = await _context.ProjectAllocations.Where(a => a.EmployeeId == employee.Id).ToListAsync();
+                if (projectAllocations.Count != 0)
+                {
+                    List<ProjectAllocation> allocations = new List<ProjectAllocation>();
+                    foreach (var projectAllocation in projectAllocations)
+                    {
+                        projectAllocation.ReAllocationDate = DateTime.UtcNow;
+                        projectAllocation.IsActive = false;
+                        allocations.Add(projectAllocation);
+                    }
+                    _logger.LogInfo("Employee with ID {EmployeeId} has been removed from all assigned projects.", employee.Id);
+                }
+                var user = await _context.ApplicationUsers.FirstOrDefaultAsync(u => u.Id == employee.ApplicationUserId);
+                if (user != null)
+                {
+                    user.IsActive = false;
+                    _logger.LogInfo("The application user associated with employee ID {EmployeeId} has been suspended.", employee.Id);
+
+                    var refreshTokens = await _context.RefreshTokens.AsNoTracking().Where(t => t.UserId == user.Id).ToListAsync();
+                    if (refreshTokens.Count != 0)
+                    {
+                        _context.RefreshTokens.RemoveRange(refreshTokens);
+                        _logger.LogInfo("Refresh tokens associated with employee ID {EmployeeId} has been removed.", employee.Id);
+                    }
+
+                }
+                var roleMapping = await _context.EmployeeRoleMappings.AsNoTracking().Where(r => r.EmployeeId == employee.Id).ToListAsync();
+                if (roleMapping.Count != 0)
+                {
+                    _context.EmployeeRoleMappings.RemoveRange(roleMapping);
+                    _logger.LogInfo("Application role mapping associated with employee ID {EmployeeId} has been removed.", employee.Id);
+                }
+                await _context.SaveChangesAsync();
+                _logger.LogInfo("Employee with ID {EmployeId} Deleted successfully", employee.Id);
+            }
+            else
+            {
+                _logger.LogError("Employee with ID {EmploueeId} not found in database", id);
+            }
+            return Ok(ApiResponse<object>.SuccessResponse(new { }, "Employee Suspended successfully", 200));
+        }
+
         private static Employee GetNewEmployeeModel(CreateUserDto model, Guid TenantId, string ApplicationUserId)
         {
             var newEmployee = new Employee
             {
-                ApplicationUserId = ApplicationUserId,
+                ApplicationUserId = String.IsNullOrEmpty(ApplicationUserId) ? null : ApplicationUserId,
                 FirstName = model.FirstName,
                 LastName = model.LastName,
                 Email = model.Email,
@@ -337,7 +418,7 @@ namespace MarcoBMS.Services.Controllers
             return newEmployee;
         }
 
-        private static Employee GetUpdateEmployeeModel(CreateUserDto model, Employee existingEmployee, IdentityUser existingIdentityUser = null)
+        private static Employee GetUpdateEmployeeModel(CreateUserDto model, Employee existingEmployee, IdentityUser? existingIdentityUser = null)
         {
             if (existingEmployee.ApplicationUserId == null && existingIdentityUser != null)
             {

Marco.Pms.Services/Helpers/EmployeeHelper.cs

@@ -20,16 +20,16 @@ namespace MarcoBMS.Services.Helpers
         public async Task<Employee> GetEmployeeByID(Guid EmployeeID)
         {
 
-            return await _context.Employees.Include(e => e.JobRole).FirstOrDefaultAsync(e => e.Id == EmployeeID) ?? new Employee { };
+            return await _context.Employees.Include(e => e.JobRole).FirstOrDefaultAsync(e => e.Id == EmployeeID && e.IsActive == true) ?? new Employee { };
         }
 
         public async Task<Employee> GetEmployeeByApplicationUserID(string ApplicationUserID)
         {
             try
             {
-                var result = await _context.Employees.Where(c => c.ApplicationUserId == ApplicationUserID).ToListAsync();
+                var result = await _context.Employees.Where(c => c.ApplicationUserId == ApplicationUserID && c.IsActive == true).ToListAsync();
 
-                return await _context.Employees.Where(c => c.ApplicationUserId == ApplicationUserID).SingleOrDefaultAsync() ?? new Employee { };
+                return await _context.Employees.Where(c => c.ApplicationUserId == ApplicationUserID && c.IsActive == true).SingleOrDefaultAsync() ?? new Employee { };
             }
             catch (Exception ex)
             {
@@ -47,7 +47,7 @@ namespace MarcoBMS.Services.Helpers
                 {
 
                     result = await (from pa in _context.ProjectAllocations.Where(c => c.ProjectId == ProjectId)
-                                    join em in _context.Employees.Where(c => c.TenantId == TenentId).Include(fp => fp.JobRole) // Include Feature
+                                    join em in _context.Employees.Where(c => c.TenantId == TenentId && c.IsActive == true).Include(fp => fp.JobRole) // Include Feature
                     on pa.EmployeeId equals em.Id
                                     where (em.FirstName != null ? em.FirstName.ToLower().Contains(searchString.ToLower()) : false) || (em.LastName != null ? em.LastName.ToLower().Contains(searchString.ToLower()) : false)
                                     select em.ToEmployeeVMFromEmployee()
@@ -57,7 +57,7 @@ namespace MarcoBMS.Services.Helpers
                 }
                 else
                 {
-                    result = await _context.Employees.Where(c => c.TenantId == TenentId &&
+                    result = await _context.Employees.Where(c => c.TenantId == TenentId && c.IsActive == true &&
                             ((c.FirstName != null ? c.FirstName.ToLower().Contains(searchString.ToLower()) : false) || (c.LastName != null ? c.LastName.ToLower().Contains(searchString.ToLower()) : false))).Include(fp => fp.JobRole)
                             .Select(c => c.ToEmployeeVMFromEmployee()).ToListAsync();
                 }
@@ -80,7 +80,7 @@ namespace MarcoBMS.Services.Helpers
                 {
 
                     result = await (from pa in _context.ProjectAllocations.Where(c => c.ProjectId == ProjectId)
-                                    join em in _context.Employees.Where(c => c.TenantId == TenentId).Include(fp => fp.JobRole) // Include Feature
+                                    join em in _context.Employees.Where(c => c.TenantId == TenentId && c.IsActive == true).Include(fp => fp.JobRole) // Include Feature
                                     on pa.EmployeeId equals em.Id
                                     select em.ToEmployeeVMFromEmployee()
                                        )
@@ -89,7 +89,7 @@ namespace MarcoBMS.Services.Helpers
                 }
                 else
                 {
-                    result = await _context.Employees.Where(c => c.TenantId == TenentId).Include(fp => fp.JobRole)
+                    result = await _context.Employees.Where(c => c.TenantId == TenentId && c.IsActive == true).Include(fp => fp.JobRole)
                             .Select(c => c.ToEmployeeVMFromEmployee()).ToListAsync();
                 }
 

Marco.Pms.Services/Helpers/UserHelper.cs

@@ -39,7 +39,7 @@ namespace MarcoBMS.Services.Helpers
         {
             var user = await GetCurrentUserAsync();
             if (user == null) return new Employee { };
-            var Employee = await _context.Employees.Include(e => e.JobRole).FirstOrDefaultAsync(e => e.ApplicationUserId == user.Id);
+            var Employee = await _context.Employees.Include(e => e.JobRole).FirstOrDefaultAsync(e => e.ApplicationUserId == user.Id && e.IsActive);
             return Employee ?? new Employee { };
         }