Added suspend tenant API

Marco.Pms.Services/Controllers/TenantController.cs

@@ -713,9 +713,98 @@ namespace Marco.Pms.Services.Controllers
 
 
         // DELETE api/<TenantController>/5
-        [HttpDelete("{id}")]
+        [HttpDelete("delete/{id}")]
-        public void Delete(int id)
+        public async Task<IActionResult> DeleteTenant(Guid id, [FromQuery] bool isActive = false)
         {
+            var action = isActive ? "activation" : "deactivation";
+            _logger.LogInfo("Attempting tenant {Action} for ID: {TenantId}", action, id);
+
+            // --- 1. Authentication & Authorization ---
+            var loggedInEmployee = await _userHelper.GetCurrentEmployeeAsync();
+            if (loggedInEmployee == null)
+            {
+                _logger.LogWarning("Unauthorized tenant status update attempt. User is not logged in.");
+                return StatusCode(403, ApiResponse<object>.ErrorResponse("Unauthorized", "User must be logged in to perform this action.", 403));
+            }
+
+            using var scope = _serviceScopeFactory.CreateScope();
+            var _permissionService = scope.ServiceProvider.GetRequiredService<PermissionServices>();
+            var _updateLogHelper = scope.ServiceProvider.GetRequiredService<UtilityMongoDBHelper>();
+
+            var hasPermission = await _permissionService.HasPermission(PermissionsMaster.ManageTenants, loggedInEmployee.Id);
+            if (!hasPermission && !(loggedInEmployee.ApplicationUser?.IsRootUser ?? false))
+            {
+                _logger.LogWarning(
+                    "Permission Denied: User {EmployeeId} attempted tenant status update for Tenant {TenantId} without 'ManageTenants' permission.",
+                    loggedInEmployee.Id, id);
+                return StatusCode(403, ApiResponse<object>.ErrorResponse("Access Denied", "User does not have the required permissions for this action.", 403));
+            }
+
+            // --- 2. Data Retrieval ---
+            await using var context = await _dbContextFactory.CreateDbContextAsync();
+            var tenant = await context.Tenants
+                // Include related data only if it's required by the TenantVM mapping.
+                // If not, removing these improves performance.
+                .Include(t => t.Industry)
+                .Include(t => t.TenantStatus)
+                .FirstOrDefaultAsync(t => t.Id == id);
+
+            if (tenant == null)
+            {
+                _logger.LogWarning("Tenant status update failed: Tenant with ID {TenantId} not found.", id);
+                return NotFound(ApiResponse<object>.ErrorResponse("Not Found", $"Tenant with ID '{id}' was not found.", 404));
+            }
+
+            // --- 3. Logic & State Change ---
+            // Efficiency: If the state is already what is being requested, do nothing.
+            if (tenant.IsActive == isActive)
+            {
+                var currentStatus = isActive ? "already active" : "already inactive";
+                _logger.LogInfo("No action needed. Tenant {TenantId} is {Status}.", tenant.Id, currentStatus);
+                var noChangeMessage = $"Tenant was {currentStatus}. No changes were made.";
+                return Ok(ApiResponse<object>.SuccessResponse(_mapper.Map<TenantVM>(tenant), noChangeMessage, 200));
+            }
+
+            // Capture the state *before* modification for the audit log.
+            var tenantOldStateBson = _updateLogHelper.EntityToBsonDocument(tenant);
+            tenant.IsActive = isActive;
+
+            // --- 4. Database Persistence ---
+            try
+            {
+                await context.SaveChangesAsync();
+                _logger.LogInfo("Successfully updated Tenant {TenantId} IsActive status to {IsActive}.", tenant.Id, isActive);
+            }
+            catch (DbUpdateException ex) // Be more specific with exceptions if possible.
+            {
+                _logger.LogError(ex, "Database error occurred while updating status for Tenant {TenantId}.", tenant.Id);
+                return StatusCode(500, ApiResponse<object>.ErrorResponse("Database Error", "An error occurred while saving changes to the database.", 500));
+            }
+            catch (Exception ex)
+            {
+                _logger.LogError(ex, "An unexpected error occurred while updating status for Tenant {TenantId}.", tenant.Id);
+                return StatusCode(500, ApiResponse<object>.ErrorResponse("Server Error", "An unexpected error occurred.", 500));
+            }
+
+            // --- 5. Audit Logging ---
+            // This runs after the DB save is confirmed.
+            // Note: If this call fails, the audit log will be missing for a successful DB change.
+            // For critical systems, consider a more robust outbox pattern.
+            await _updateLogHelper.PushToUpdateLogsAsync(new UpdateLogsObject
+            {
+                EntityId = tenant.Id.ToString(),
+                UpdatedById = loggedInEmployee.Id.ToString(),
+                OldObject = tenantOldStateBson,
+                UpdatedAt = DateTime.UtcNow
+            }, "TenantModificationLog");
+            _logger.LogInfo("Audit log created for status change of Tenant {TenantId} by User {EmployeeId}.", tenant.Id, loggedInEmployee.Id);
+
+
+            // --- 6. Prepare and Return Response ---
+            var responseData = _mapper.Map<TenantVM>(tenant);
+            var successMessage = $"Tenant successfully {(isActive ? "activated" : "deactivated")}.";
+
+            return Ok(ApiResponse<object>.SuccessResponse(responseData, successMessage, 200));
         }