feat(editor): Workflow history [WIP]- Add workflow history opening button to main header component (no-changelog) (#7310)

Co-authored-by: Iván Ovejero <ivov.src@gmail.com>

packages/editor-ui/src/__tests__/utils.ts

@@ -91,6 +91,19 @@ export const SETTINGS_STORE_DEFAULT_STATE: ISettingsState = {
 		variables: {
 			limit: 100,
 		},
+		expressions: {
+			evaluator: 'tournament',
+		},
+		banners: {
+			dismissed: [],
+		},
+		ai: {
+			enabled: false,
+		},
+		workflowHistory: {
+			pruneTime: -1,
+			licensePruneTime: -1,
+		},
 	},
 	promptsData: {
 		message: '',

packages/editor-ui/src/components/MainHeader/WorkflowDetails.vue

@@ -101,6 +101,13 @@
 				data-test-id="workflow-save-button"
 				@click="onSaveButtonClick"
 			/>
+			<router-link
+				v-if="isWorkflowHistoryFeatureEnabled"
+				:to="workflowHistoryRoute"
+				:class="$style.workflowHistoryButton"
+			>
+				<n8n-icon icon="history" size="medium" />
+			</router-link>
 			<div :class="$style.workflowMenuContainer">
 				<input
 					:class="$style.hiddenInput"
@@ -335,6 +342,19 @@ export default defineComponent({
 
 			return actions;
 		},
+		isWorkflowHistoryFeatureEnabled(): boolean {
+			return this.settingsStore.isEnterpriseFeatureEnabled(
+				EnterpriseEditionFeature.WorkflowHistory,
+			);
+		},
+		workflowHistoryRoute(): { name: string; params: { workflowId: string } } {
+			return {
+				name: VIEWS.WORKFLOW_HISTORY,
+				params: {
+					workflowId: this.currentWorkflowId,
+				},
+			};
+		},
 	},
 	methods: {
 		async onSaveButtonClick() {
@@ -389,7 +409,7 @@ export default defineComponent({
 
 			const saved = await this.saveCurrentWorkflow({ tags });
 			this.$telemetry.track('User edited workflow tags', {
-				workflow_id: this.currentWorkflowId as string,
+				workflow_id: this.currentWorkflowId,
 				new_tag_count: tags.length,
 			});
 
@@ -690,4 +710,9 @@ $--header-spacing: 20px;
 .disabledShareButton {
 	cursor: not-allowed;
 }
+
+.workflowHistoryButton {
+	margin-left: var(--spacing-l);
+	color: var(--color-text-dark);
+}
 </style>

packages/editor-ui/src/components/WorkflowHistory/WorkflowHistoryContent.vue

@@ -14,6 +14,11 @@ const props = defineProps<{
 
 <style module lang="scss">
 .content {
+	position: absolute;
 	display: block;
+	left: 0;
+	top: 0;
+	width: 100%;
+	height: 100%;
 }
 </style>

packages/editor-ui/src/components/WorkflowHistory/WorkflowHistoryList.vue

@@ -10,21 +10,17 @@ import type {
 } from '@/types/workflowHistory';
 import WorkflowHistoryListItem from '@/components/WorkflowHistory/WorkflowHistoryListItem.vue';
 
-const props = withDefaults(
-	defineProps<{
-		items: WorkflowHistory[];
-		activeItem: WorkflowHistory | null;
-		actionTypes: WorkflowHistoryActionTypes;
-		requestNumberOfItems: number;
-		shouldUpgrade: boolean;
-		maxRetentionPeriod: number;
-	}>(),
-	{
-		items: () => [],
-		shouldUpgrade: false,
-		maxRetentionPeriod: 0,
-	},
-);
+const props = defineProps<{
+	items: WorkflowHistory[];
+	activeItem: WorkflowHistory | null;
+	actionTypes: WorkflowHistoryActionTypes;
+	requestNumberOfItems: number;
+	lastReceivedItemsLength: number;
+	evaluatedPruneTime: number;
+	shouldUpgrade?: boolean;
+	isListLoading?: boolean;
+}>();
+
 const emit = defineEmits<{
 	(
 		event: 'action',
@@ -98,7 +94,10 @@ const onItemMounted = ({
 		listElement.value?.scrollTo({ top: offsetTop, behavior: 'smooth' });
 	}
 
-	if (index === props.items.length - 1 && props.items.length >= props.requestNumberOfItems) {
+	if (
+		index === props.items.length - 1 &&
+		props.lastReceivedItemsLength === props.requestNumberOfItems
+	) {
 		observeElement(listElement.value?.children[index] as Element);
 	}
 };
@@ -117,16 +116,28 @@ const onItemMounted = ({
 			@preview="onPreview"
 			@mounted="onItemMounted"
 		/>
-		<li v-if="!props.items.length" :class="$style.empty">
+		<li v-if="!props.items.length && !props.isListLoading" :class="$style.empty">
 			{{ i18n.baseText('workflowHistory.empty') }}
 			<br />
 			{{ i18n.baseText('workflowHistory.hint') }}
 		</li>
-		<li v-if="props.shouldUpgrade && props.maxRetentionPeriod > 0" :class="$style.retention">
+		<li
+			v-if="props.isListLoading"
+			:class="$style.loader"
+			role="status"
+			aria-live="polite"
+			aria-busy="true"
+			:aria-label="i18n.baseText('generic.loading')"
+		>
+			<n8n-loading :rows="3" class="mb-xs" />
+			<n8n-loading :rows="3" class="mb-xs" />
+			<n8n-loading :rows="3" class="mb-xs" />
+		</li>
+		<li v-if="props.shouldUpgrade" :class="$style.retention">
 			<span>
 				{{
 					i18n.baseText('workflowHistory.limit', {
-						interpolate: { maxRetentionPeriod: props.maxRetentionPeriod },
+						interpolate: { evaluatedPruneTime: props.evaluatedPruneTime },
 					})
 				}}
 			</span>
@@ -143,19 +154,12 @@ const onItemMounted = ({
 
 <style module lang="scss">
 .list {
+	position: absolute;
+	left: 0;
+	top: 0;
+	width: 100%;
 	height: 100%;
 	overflow: auto;
-	position: relative;
-
-	&::before {
-		content: '';
-		position: absolute;
-		top: 0;
-		bottom: 0;
-		left: 0;
-		width: var(--border-width-base);
-		background-color: var(--color-foreground-base);
-	}
 }
 
 .empty {
@@ -171,6 +175,10 @@ const onItemMounted = ({
 	line-height: var(--font-line-height-loose);
 }
 
+.loader {
+	padding: 0 var(--spacing-s);
+}
+
 .retention {
 	display: grid;
 	padding: var(--spacing-s);

packages/editor-ui/src/components/WorkflowHistory/WorkflowHistoryListItem.vue

@@ -28,6 +28,8 @@ const i18n = useI18n();
 
 const actionsVisible = ref(false);
 const itemElement = ref<HTMLElement | null>(null);
+const authorElement = ref<HTMLElement | null>(null);
+const isAuthorElementTruncated = ref(false);
 
 const formattedCreatedAtDate = computed<string>(() => {
 	const currentYear = new Date().getFullYear().toString();
@@ -75,6 +77,8 @@ onMounted(() => {
 		offsetTop: itemElement.value?.offsetTop ?? 0,
 		isActive: props.isActive,
 	});
+	isAuthorElementTruncated.value =
+		authorElement.value?.scrollWidth > authorElement.value?.clientWidth;
 });
 </script>
 <template>
@@ -89,9 +93,9 @@ onMounted(() => {
 	>
 		<p @click="onItemClick">
 			<time :datetime="item.createdAt">{{ formattedCreatedAtDate }}</time>
-			<n8n-tooltip placement="right-end" :disabled="authors.size < 2">
+			<n8n-tooltip placement="right-end" :disabled="authors.size < 2 && !isAuthorElementTruncated">
 				<template #content>{{ props.item.authors }}</template>
-				<span>{{ authors.label }}</span>
+				<span ref="authorElement">{{ authors.label }}</span>
 			</n8n-tooltip>
 			<data :value="item.versionId">{{ idLabel }}</data>
 		</p>
@@ -128,17 +132,15 @@ onMounted(() => {
 		cursor: pointer;
 
 		time {
-			padding: 0 0 var(--spacing-2xs);
+			padding: 0 0 var(--spacing-3xs);
 			color: var(--color-text-dark);
 			font-size: var(--font-size-s);
 			font-weight: var(--font-weight-bold);
 		}
 
-		span {
-			justify-self: start;
-		}
-
+		span,
 		data {
+			justify-self: start;
 			max-width: 160px;
 			white-space: nowrap;
 			overflow: hidden;

packages/editor-ui/src/components/WorkflowHistory/__tests__/WorkflowHistoryList.test.ts

@@ -4,7 +4,8 @@ import { createPinia, setActivePinia } from 'pinia';
 import { faker } from '@faker-js/faker';
 import { createComponentRenderer } from '@/__tests__/render';
 import WorkflowHistoryList from '@/components/WorkflowHistory/WorkflowHistoryList.vue';
-import type { WorkflowHistory, WorkflowHistoryActionTypes } from '@/types/workflowHistory';
+import type { WorkflowHistoryActionTypes } from '@/types/workflowHistory';
+import { workflowHistoryDataFactory } from '@/stores/__tests__/utils/workflowHistoryTestUtils';
 
 vi.stubGlobal(
 	'IntersectionObserver',
@@ -16,14 +17,6 @@ vi.stubGlobal(
 	})),
 );
 
-const workflowHistoryDataFactory: () => WorkflowHistory = () => ({
-	versionId: faker.string.nanoid(),
-	createdAt: faker.date.past().toDateString(),
-	authors: Array.from({ length: faker.number.int({ min: 1, max: 5 }) }, faker.person.fullName).join(
-		', ',
-	),
-});
-
 const actionTypes: WorkflowHistoryActionTypes = ['restore', 'clone', 'open', 'download'];
 
 const renderComponent = createComponentRenderer(WorkflowHistoryList);
@@ -40,34 +33,59 @@ describe('WorkflowHistoryList', () => {
 		setActivePinia(pinia);
 	});
 
-	it('should render empty list', () => {
-		const { getByText } = renderComponent({
+	it('should render empty list when not loading and no items', () => {
+		const { getByText, queryByRole } = renderComponent({
 			pinia,
 			props: {
 				items: [],
 				actionTypes,
 				activeItem: null,
 				requestNumberOfItems: 20,
+				lastReceivedItemsLength: 0,
+				evaluatedPruneTime: -1,
 			},
 		});
 
+		expect(queryByRole('status')).not.toBeInTheDocument();
 		expect(getByText(/No versions yet/)).toBeInTheDocument();
 	});
 
+	it('should show loader but no empty list message when loading', () => {
+		const { queryByText, getByRole } = renderComponent({
+			pinia,
+			props: {
+				items: [],
+				actionTypes,
+				activeItem: null,
+				requestNumberOfItems: 20,
+				lastReceivedItemsLength: 0,
+				evaluatedPruneTime: -1,
+				isListLoading: true,
+			},
+		});
+
+		expect(getByRole('status')).toBeInTheDocument();
+		expect(queryByText(/No versions yet/)).not.toBeInTheDocument();
+	});
+
 	it('should render list and delegate preview event', async () => {
 		const numberOfItems = faker.number.int({ min: 10, max: 50 });
 		const items = Array.from({ length: numberOfItems }, workflowHistoryDataFactory);
 
-		const { getAllByTestId, emitted } = renderComponent({
+		const { getAllByTestId, emitted, queryByRole } = renderComponent({
 			pinia,
 			props: {
 				items,
 				actionTypes,
 				activeItem: null,
 				requestNumberOfItems: 20,
+				lastReceivedItemsLength: 20,
+				evaluatedPruneTime: -1,
 			},
 		});
 
+		expect(queryByRole('link', { name: /upgrade/i })).not.toBeInTheDocument();
+
 		const listItems = getAllByTestId('workflow-history-list-item');
 		const listItem = listItems[items.length - 1];
 		await userEvent.click(within(listItem).getByText(/ID: /));
@@ -93,6 +111,8 @@ describe('WorkflowHistoryList', () => {
 				actionTypes,
 				activeItem: items[0],
 				requestNumberOfItems: 20,
+				lastReceivedItemsLength: 20,
+				evaluatedPruneTime: -1,
 			},
 		});
 
@@ -109,6 +129,8 @@ describe('WorkflowHistoryList', () => {
 				actionTypes,
 				activeItem: null,
 				requestNumberOfItems: 20,
+				lastReceivedItemsLength: 20,
+				evaluatedPruneTime: -1,
 			},
 		});
 
@@ -121,4 +143,23 @@ describe('WorkflowHistoryList', () => {
 		await userEvent.click(within(actionsDropdown).getByTestId(`action-${action}`));
 		expect(emitted().action).toEqual([[{ action, id: items[index].versionId }]]);
 	});
+
+	it('should show upgrade message', async () => {
+		const items = Array.from({ length: 5 }, workflowHistoryDataFactory);
+
+		const { getByRole } = renderComponent({
+			pinia,
+			props: {
+				items,
+				actionTypes,
+				activeItem: items[0],
+				requestNumberOfItems: 20,
+				lastReceivedItemsLength: 20,
+				evaluatedPruneTime: -1,
+				shouldUpgrade: true,
+			},
+		});
+
+		expect(getByRole('link', { name: /upgrade/i })).toBeInTheDocument();
+	});
 });

packages/editor-ui/src/components/WorkflowHistory/__tests__/WorkflowHistoryListItem.test.ts

@@ -1,18 +1,10 @@
 import { createPinia, setActivePinia } from 'pinia';
 import userEvent from '@testing-library/user-event';
-import { faker } from '@faker-js/faker';
 import type { UserAction } from 'n8n-design-system';
 import { createComponentRenderer } from '@/__tests__/render';
 import WorkflowHistoryListItem from '@/components/WorkflowHistory/WorkflowHistoryListItem.vue';
-import type { WorkflowHistory } from '@/types/workflowHistory';
-
-const workflowHistoryDataFactory: () => WorkflowHistory = () => ({
-	versionId: faker.string.nanoid(),
-	createdAt: faker.date.past().toDateString(),
-	authors: Array.from({ length: faker.number.int({ min: 2, max: 5 }) }, faker.person.fullName).join(
-		', ',
-	),
-});
+import type { WorkflowHistoryActionTypes } from '@/types/workflowHistory';
+import { workflowHistoryDataFactory } from '@/stores/__tests__/utils/workflowHistoryTestUtils';
 
 const actionTypes: WorkflowHistoryActionTypes = ['restore', 'clone', 'open', 'download'];
 const actions: UserAction[] = actionTypes.map((value) => ({

packages/editor-ui/src/plugins/i18n/locales/en.json

@@ -62,6 +62,7 @@
 	"generic.workflowSaved": "Workflow changes saved",
 	"generic.editor": "Editor",
 	"generic.seePlans": "See plans",
+	"generic.loading": "Loading",
 	"about.aboutN8n": "About n8n",
 	"about.close": "Close",
 	"about.license": "License",
@@ -1855,7 +1856,7 @@
 	"workflowHistory.item.latest": "Latest saved",
 	"workflowHistory.empty": "No versions yet.",
 	"workflowHistory.hint": "Save the workflow to create the first version!",
-	"workflowHistory.limit": "Version history is limited to {maxRetentionPeriod} days",
+	"workflowHistory.limit": "Version history is limited to {evaluatedPruneTime} days",
 	"workflowHistory.upgrade": "{link} to activate full history",
 	"workflowHistory.upgrade.link": "Upgrade plan",
 	"workflows.heading": "Workflows",

packages/editor-ui/src/plugins/icons/index.ts

@@ -78,6 +78,7 @@ import {
 	faHandPointLeft,
 	faHashtag,
 	faHdd,
+	faHistory,
 	faHome,
 	faHourglass,
 	faImage,
@@ -236,6 +237,7 @@ export const FontAwesomePlugin: Plugin<{}> = {
 		addIcon(faHandPointLeft);
 		addIcon(faHashtag);
 		addIcon(faHdd);
+		addIcon(faHistory);
 		addIcon(faHome);
 		addIcon(faHourglass);
 		addIcon(faImage);

packages/editor-ui/src/router.ts

@@ -303,7 +303,6 @@ export const routes = [
 			sidebar: MainSidebar,
 		},
 		meta: {
-			keepWorkflowAlive: true,
 			permissions: {
 				allow: {
 					loginStatus: [LOGIN_STATUS.LoggedIn],

packages/editor-ui/src/stores/__tests__/utils/workflowHistoryTestUtils.ts

@@ -0,0 +1,17 @@
+import { faker } from '@faker-js/faker';
+import type { WorkflowHistory } from '@/types/workflowHistory';
+
+export const workflowHistoryDataFactory: () => WorkflowHistory = () => ({
+	versionId: faker.string.nanoid(),
+	createdAt: faker.date.past().toDateString(),
+	authors: Array.from({ length: faker.number.int({ min: 2, max: 5 }) }, faker.person.fullName).join(
+		', ',
+	),
+});
+
+export const workflowVersionDataFactory: () => WorkflowHistory = () => ({
+	...workflowHistoryDataFactory(),
+	workflow: {
+		name: faker.lorem.words(3),
+	},
+});

packages/editor-ui/src/stores/__tests__/workflowHistory.store.test.ts

@@ -0,0 +1,57 @@
+import { createPinia, setActivePinia } from 'pinia';
+import { useWorkflowHistoryStore } from '@/stores/workflowHistory.store';
+import { useSettingsStore } from '@/stores/settings.store';
+import {
+	workflowHistoryDataFactory,
+	workflowVersionDataFactory,
+} from '@/stores/__tests__/utils/workflowHistoryTestUtils';
+
+const historyData = Array.from({ length: 5 }, workflowHistoryDataFactory);
+const versionData = {
+	...workflowVersionDataFactory(),
+	...historyData[0],
+};
+
+describe('Workflow history store', () => {
+	beforeEach(() => {
+		setActivePinia(createPinia());
+	});
+
+	it('should reset data', () => {
+		const workflowHistoryStore = useWorkflowHistoryStore();
+
+		workflowHistoryStore.addWorkflowHistory(historyData);
+		workflowHistoryStore.setActiveWorkflowVersion(versionData);
+
+		expect(workflowHistoryStore.workflowHistory).toEqual(historyData);
+		expect(workflowHistoryStore.activeWorkflowVersion).toEqual(versionData);
+
+		workflowHistoryStore.reset();
+		expect(workflowHistoryStore.workflowHistory).toEqual([]);
+		expect(workflowHistoryStore.activeWorkflowVersion).toEqual(null);
+	});
+
+	test.each([
+		[true, 1, 1],
+		[true, 2, 2],
+		[false, 1, 2],
+		[false, 2, 1],
+		[false, -1, 2],
+		[false, 2, -1],
+	])(
+		'should set `shouldUpgrade` to %s when pruneTime is %s and licensePruneTime is %s',
+		(shouldUpgrade, pruneTime, licensePruneTime) => {
+			const workflowHistoryStore = useWorkflowHistoryStore();
+			const settingsStore = useSettingsStore();
+
+			settingsStore.settings = {
+				workflowHistory: {
+					pruneTime,
+					licensePruneTime,
+				},
+			};
+
+			expect(workflowHistoryStore.shouldUpgrade).toBe(shouldUpgrade);
+		},
+	);
+});

packages/editor-ui/src/stores/workflowHistory.store.ts

@@ -2,6 +2,7 @@ import { ref, computed } from 'vue';
 import { defineStore } from 'pinia';
 import * as whApi from '@/api/workflowHistory';
 import { useRootStore } from '@/stores/n8nRoot.store';
+import { useSettingsStore } from '@/stores/settings.store';
 import type {
 	WorkflowHistory,
 	WorkflowVersion,
@@ -10,12 +11,21 @@ import type {
 
 export const useWorkflowHistoryStore = defineStore('workflowHistory', () => {
 	const rootStore = useRootStore();
+	const settingsStore = useSettingsStore();
 
 	const workflowHistory = ref<WorkflowHistory[]>([]);
 	const activeWorkflowVersion = ref<WorkflowVersion | null>(null);
-	const maxRetentionPeriod = ref(0);
-	const retentionPeriod = ref(0);
-	const shouldUpgrade = computed(() => maxRetentionPeriod.value === retentionPeriod.value);
+	const licensePruneTime = computed(() => settingsStore.settings.workflowHistory.licensePruneTime);
+	const pruneTime = computed(() => settingsStore.settings.workflowHistory.pruneTime);
+	const evaluatedPruneTime = computed(() => Math.min(pruneTime.value, licensePruneTime.value));
+	const shouldUpgrade = computed(
+		() => licensePruneTime.value !== -1 && licensePruneTime.value === pruneTime.value,
+	);
+
+	const reset = () => {
+		workflowHistory.value = [];
+		activeWorkflowVersion.value = null;
+	};
 
 	const getWorkflowHistory = async (
 		workflowId: string,
@@ -44,13 +54,14 @@ export const useWorkflowHistoryStore = defineStore('workflowHistory', () => {
 	};
 
 	return {
+		reset,
 		getWorkflowHistory,
 		addWorkflowHistory,
 		getWorkflowVersion,
 		setActiveWorkflowVersion,
 		workflowHistory,
 		activeWorkflowVersion,
+		evaluatedPruneTime,
 		shouldUpgrade,
-		maxRetentionPeriod,
 	};
 });

packages/editor-ui/src/views/WorkflowHistory.vue

@@ -1,7 +1,8 @@
 <script setup lang="ts">
 import { saveAs } from 'file-saver';
-import { onBeforeMount, ref, watchEffect } from 'vue';
+import { onBeforeMount, onUnmounted, ref, watchEffect, computed } from 'vue';
 import { useRoute, useRouter } from 'vue-router';
+import type { IWorkflowDb } from '@/Interface';
 import { VIEWS } from '@/constants';
 import { useI18n } from '@/composables';
 import type {
@@ -13,6 +14,7 @@ import WorkflowHistoryList from '@/components/WorkflowHistory/WorkflowHistoryLis
 import WorkflowHistoryContent from '@/components/WorkflowHistory/WorkflowHistoryContent.vue';
 import { useWorkflowHistoryStore } from '@/stores/workflowHistory.store';
 import { useUIStore } from '@/stores/ui.store';
+import { useWorkflowsStore } from '@/stores/workflows.store';
 
 type WorkflowHistoryActionRecord = {
 	[K in Uppercase<WorkflowHistoryActionTypes[number]>]: Lowercase<K>;
@@ -34,21 +36,47 @@ const router = useRouter();
 const i18n = useI18n();
 const workflowHistoryStore = useWorkflowHistoryStore();
 const uiStore = useUIStore();
+const workflowsStore = useWorkflowsStore();
 
+const isListLoading = ref(true);
 const requestNumberOfItems = ref(20);
+const lastReceivedItemsLength = ref(0);
+const editorRoute = computed(() => ({
+	name: VIEWS.WORKFLOW,
+	params: {
+		name: route.params.workflowId,
+	},
+}));
+const activeWorkflow = ref<IWorkflowDb | null>(null);
+const activeWorkflowVersionPreview = computed<IWorkflowDb | null>(() => {
+	if (workflowHistoryStore.activeWorkflowVersion && activeWorkflow.value) {
+		return {
+			...activeWorkflow.value,
+			nodes: workflowHistoryStore.activeWorkflowVersion.nodes,
+			connections: workflowHistoryStore.activeWorkflowVersion.connections,
+		};
+	}
+	return null;
+});
 
 const loadMore = async (queryParams: WorkflowHistoryRequestParams) => {
 	const history = await workflowHistoryStore.getWorkflowHistory(
 		route.params.workflowId,
 		queryParams,
 	);
+	lastReceivedItemsLength.value = history.length;
 	workflowHistoryStore.addWorkflowHistory(history);
 };
 
 onBeforeMount(async () => {
-	await loadMore({ take: requestNumberOfItems.value });
+	const [workflow] = await Promise.all([
+		workflowsStore.fetchWorkflow(route.params.workflowId),
+		loadMore({ take: requestNumberOfItems.value }),
+	]);
+	activeWorkflow.value = workflow;
+	isListLoading.value = false;
 
-	if (!route.params.versionId) {
+	if (!route.params.versionId && workflowHistoryStore.workflowHistory.length) {
 		await router.replace({
 			name: VIEWS.WORKFLOW_HISTORY,
 			params: {
@@ -59,6 +87,10 @@ onBeforeMount(async () => {
 	}
 });
 
+onUnmounted(() => {
+	workflowHistoryStore.reset();
+});
+
 const openInNewTab = (id: WorkflowVersionId) => {
 	const { href } = router.resolve({
 		name: VIEWS.WORKFLOW_HISTORY,
@@ -75,12 +107,20 @@ const downloadVersion = async (id: WorkflowVersionId) => {
 		route.params.workflowId,
 		id,
 	);
-	if (workflowVersion?.workflow) {
-		const { workflow } = workflowVersion;
-		const blob = new Blob([JSON.stringify(workflow, null, 2)], {
-			type: 'application/json;charset=utf-8',
-		});
-		saveAs(blob, workflow.name.replace(/[^a-z0-9]/gi, '_') + '.json');
+	if (workflowVersion?.nodes && workflowVersion?.connections && activeWorkflow.value) {
+		const { connections, nodes } = workflowVersion;
+		const blob = new Blob(
+			[JSON.stringify({ ...activeWorkflow.value, nodes, connections }, null, 2)],
+			{
+				type: 'application/json;charset=utf-8',
+			},
+		);
+		saveAs(
+			blob,
+			`${activeWorkflow.value.name.replace(/[^a-zA-Z0-9]/gi, '_')}-${
+				workflowVersion.versionId
+			}.json`,
+		);
 	}
 };
 
@@ -132,35 +172,40 @@ watchEffect(async () => {
 <template>
 	<div :class="$style.view">
 		<n8n-heading :class="$style.header" tag="h2" size="medium" bold>
-			{{ workflowHistoryStore.activeWorkflowVersion?.workflow?.name }}
+			{{ activeWorkflow?.name }}
 		</n8n-heading>
 		<div :class="$style.corner">
 			<n8n-heading tag="h2" size="medium" bold>
 				{{ i18n.baseText('workflowHistory.title') }}
 			</n8n-heading>
-			<n8n-button type="tertiary" icon="times" size="small" text square />
+			<router-link :to="editorRoute">
+				<n8n-button type="tertiary" icon="times" size="small" text square />
+			</router-link>
+		</div>
+		<div :class="$style.contentComponentWrapper">
+			<workflow-history-content :workflow-version="activeWorkflowVersionPreview" />
+		</div>
+		<div :class="$style.listComponentWrapper">
+			<workflow-history-list
+				:items="workflowHistoryStore.workflowHistory"
+				:lastReceivedItemsLength="lastReceivedItemsLength"
+				:activeItem="workflowHistoryStore.activeWorkflowVersion"
+				:actionTypes="workflowHistoryActionTypes"
+				:requestNumberOfItems="requestNumberOfItems"
+				:shouldUpgrade="workflowHistoryStore.shouldUpgrade"
+				:evaluatedPruneTime="workflowHistoryStore.evaluatedPruneTime"
+				:isListLoading="isListLoading"
+				@action="onAction"
+				@preview="onPreview"
+				@load-more="loadMore"
+				@upgrade="onUpgrade"
+			/>
 		</div>
-		<workflow-history-content
-			:class="$style.contentComponent"
-			:workflow-version="workflowHistoryStore.activeWorkflowVersion"
-		/>
-		<workflow-history-list
-			:class="$style.listComponent"
-			:items="workflowHistoryStore.workflowHistory"
-			:active-item="workflowHistoryStore.activeWorkflowVersion"
-			:action-types="workflowHistoryActionTypes"
-			:request-number-of-items="requestNumberOfItems"
-			:shouldUpgrade="workflowHistoryStore.shouldUpgrade"
-			:maxRetentionPeriod="workflowHistoryStore.maxRetentionPeriod"
-			@action="onAction"
-			@preview="onPreview"
-			@load-more="loadMore"
-			@upgrade="onUpgrade"
-		/>
 	</div>
 </template>
 <style module lang="scss">
 .view {
+	position: relative;
 	display: grid;
 	width: 100%;
 	grid-template-areas: 'header corner' 'content list';
@@ -188,12 +233,26 @@ watchEffect(async () => {
 	border-left: var(--border-width-base) var(--border-style-base) var(--color-foreground-base);
 }
 
-.contentComponent {
+.contentComponentWrapper {
 	grid-area: content;
+	position: relative;
+	z-index: 1;
 }
 
-.listComponent {
-	grid-area: list;
+.listComponentWrapper {
 	grid-area: list;
+	position: relative;
+	z-index: 2;
+
+	&::before {
+		content: '';
+		display: block;
+		position: absolute;
+		top: 0;
+		bottom: 0;
+		left: 0;
+		width: var(--border-width-base);
+		background-color: var(--color-foreground-base);
+	}
 }
 </style>

packages/editor-ui/src/views/__tests__/WorkflowHistory.test.ts

@@ -10,7 +10,10 @@ import { SETTINGS_STORE_DEFAULT_STATE } from '@/__tests__/utils';
 import WorkflowHistoryPage from '@/views/WorkflowHistory.vue';
 import { useWorkflowHistoryStore } from '@/stores/workflowHistory.store';
 import { STORES, VIEWS } from '@/constants';
-import type { WorkflowHistory } from '@/types/workflowHistory';
+import {
+	workflowHistoryDataFactory,
+	workflowVersionDataFactory,
+} from '@/stores/__tests__/utils/workflowHistoryTestUtils';
 
 vi.mock('vue-router', () => {
 	const params = {};
@@ -29,21 +32,6 @@ vi.mock('vue-router', () => {
 	};
 });
 
-const workflowHistoryDataFactory: () => WorkflowHistory = () => ({
-	versionId: faker.string.nanoid(),
-	createdAt: faker.date.past().toDateString(),
-	authors: Array.from({ length: faker.number.int({ min: 2, max: 5 }) }, faker.person.fullName).join(
-		', ',
-	),
-});
-
-const workflowVersionDataFactory: () => WorkflowHistory = () => ({
-	...workflowHistoryDataFactory(),
-	workflow: {
-		name: faker.lorem.words(3),
-	},
-});
-
 const workflowId = faker.string.nanoid();
 const historyData = Array.from({ length: 5 }, workflowHistoryDataFactory);
 const versionData = {
@@ -87,6 +75,7 @@ describe('WorkflowHistory', () => {
 		route = useRoute();
 		router = useRouter();
 
+		vi.spyOn(workflowHistoryStore, 'getWorkflowHistory').mockResolvedValue(historyData);
 		vi.spyOn(workflowHistoryStore, 'workflowHistory', 'get').mockReturnValue(historyData);
 		vi.spyOn(workflowHistoryStore, 'activeWorkflowVersion', 'get').mockReturnValue(versionData);
 		windowOpenSpy = vi.spyOn(window, 'open').mockImplementation(() => null);