fix(core): Allow all executions to be stopped (n8n-io#6386)

* allow all executions to be stopped and fix display issue

* limit cancelation and add recover for unknown states

Author: flipswitchingmonkey

packages/cli/src/Server.ts

@@ -1246,7 +1246,7 @@ export class Server extends AbstractServer {
 					throw new ResponseHelper.NotFoundError('Execution not found');
 				}
 
-				const execution = await Db.collections.Execution.findOne({
+				const execution = await Db.collections.Execution.exist({
 					where: {
 						id: executionId,
 						workflowId: In(sharedWorkflowIds),

packages/cli/src/WaitTracker.ts

@@ -18,11 +18,13 @@ import * as Db from '@/Db';
 import * as ResponseHelper from '@/ResponseHelper';
 import type {
 	IExecutionFlattedDb,
+	IExecutionResponse,
 	IExecutionsStopData,
 	IWorkflowExecutionDataProcess,
 } from '@/Interfaces';
 import { WorkflowRunner } from '@/WorkflowRunner';
 import { getWorkflowOwner } from '@/UserManagement/UserManagementHelper';
+import { recoverExecutionDataFromEventLogMessages } from './eventbus/MessageEventBus/recoverEvents';
 
 @Service()
 export class WaitTracker {
@@ -106,12 +108,29 @@ export class WaitTracker {
 		// Also check in database
 		const execution = await Db.collections.Execution.findOneBy({ id: executionId });
 
-		if (execution === null || !execution.waitTill) {
+		if (execution === null) {
 			throw new Error(`The execution ID "${executionId}" could not be found.`);
 		}
 
-		const fullExecutionData = ResponseHelper.unflattenExecutionData(execution);
-
+		if (!['new', 'unknown', 'waiting', 'running'].includes(execution.status)) {
+			throw new Error(
+				`Only running or waiting executions can be stopped and ${executionId} is currently ${execution.status}.`,
+			);
+		}
+		let fullExecutionData: IExecutionResponse;
+		try {
+			fullExecutionData = ResponseHelper.unflattenExecutionData(execution);
+		} catch (error) {
+			// if the execution ended in an unforseen, non-cancelable state, try to recover it
+			await recoverExecutionDataFromEventLogMessages(executionId, [], true);
+			// find recovered data
+			const recoveredExecution = await Db.collections.Execution.findOneBy({ id: executionId });
+			if (recoveredExecution) {
+				fullExecutionData = ResponseHelper.unflattenExecutionData(recoveredExecution);
+			} else {
+				throw new Error(`Execution ${executionId} could not be recovered or canceled.`);
+			}
+		}
 		// Set in execution in DB as failed and remove waitTill time
 		const error = new WorkflowOperationError('Workflow-Execution has been canceled!');
 

packages/editor-ui/src/mixins/executionsHelpers.ts

@@ -44,6 +44,8 @@ export const executionHelpers = defineComponent({
 			if (execution.status === 'waiting' || execution.waitTill) {
 				status.name = 'waiting';
 				status.label = this.$locale.baseText('executionsList.waiting');
+			} else if (execution.status === 'canceled') {
+				status.label = this.$locale.baseText('executionsList.canceled');
 			} else if (
 				execution.status === 'running' ||
 				execution.status === 'new' ||
@@ -57,8 +59,6 @@ export const executionHelpers = defineComponent({
 			} else if (execution.status === 'failed' || execution.status === 'crashed') {
 				status.name = 'error';
 				status.label = this.$locale.baseText('executionsList.error');
-			} else if (execution.status === 'canceled') {
-				status.label = this.$locale.baseText('executionsList.canceled');
 			}
 
 			if (!execution.status) execution.status = 'unknown';