From 486704c6d23e274fdbc87065222175b09a17181c Mon Sep 17 00:00:00 2001
From: InfinityPacer <160988576+InfinityPacer@users.noreply.github.com>
Date: Mon, 24 Aug 2026 17:27:52 +0800
Subject: [PATCH] fix(workflow): recover shared list requests (#709)

---
 src/views/workflow/WorkflowShareView.vue      |  58 +++-
 .../__tests__/WorkflowShareView.spec.ts       | 304 ++++++++++++++++++
 vite.config.ts                                |   7 +
 3 files changed, 362 insertions(+), 7 deletions(-)
 create mode 100644 src/views/workflow/__tests__/WorkflowShareView.spec.ts

diff --git a/src/views/workflow/WorkflowShareView.vue b/src/views/workflow/WorkflowShareView.vue
index b18f723e..d66aaff1 100644
--- a/src/views/workflow/WorkflowShareView.vue
+++ b/src/views/workflow/WorkflowShareView.vue
@@ -33,12 +33,18 @@ const page = ref(1)
 const keyword = ref(props.keyword)
 const currentKey = ref(0)
 
+// 关键字切换后，旧请求不得再提交分页数据或加载状态。
+let requestGeneration = 0
+
 // 是否加载中
 const loading = ref(false)
 
 // 是否加载完成
 const isRefreshed = ref(false)
 
+// 当前列表请求是否失败；合法空数组仍使用空数据状态。
+const loadError = ref(false)
+
 // 数据列表
 const dataList = ref<WorkflowShare[]>([])
 const currData = ref<WorkflowShare[]>([])
@@ -58,10 +64,13 @@ async function loadEventTypes() {
 watch(
   () => props.keyword,
   newKeyword => {
+    requestGeneration++
     keyword.value = newKeyword || ''
     page.value = 1
     dataList.value = []
+    loading.value = false
     isRefreshed.value = false
+    loadError.value = false
     currentKey.value++
   },
 )
@@ -78,6 +87,7 @@ function getParams() {
 
 // 获取列表数据
 async function fetchData({ done }: { done: any }) {
+  const generation = requestGeneration
   try {
     // 如果正在加载中，直接返回
     if (loading.value) {
@@ -92,11 +102,15 @@ async function fetchData({ done }: { done: any }) {
         // 设置加载中
         loading.value = true
         // 请求API
-        currData.value = await api.get(apipath, {
+        const pageData: WorkflowShare[] = await api.get(apipath, {
           params: getParams(),
         })
-        // 取消加载中
-        loading.value = false
+        if (generation !== requestGeneration) {
+          done('ok')
+          return
+        }
+        loadError.value = false
+        currData.value = pageData
         // 标计为已请求完成
         isRefreshed.value = true
         if (currData.value.length === 0) {
@@ -116,10 +130,15 @@ async function fetchData({ done }: { done: any }) {
       // 设置加载中
       loading.value = true
       // 请求API
-      currData.value = await api.get(apipath, {
+      const pageData: WorkflowShare[] = await api.get(apipath, {
         params: getParams(),
       })
-      loading.value = false
+      if (generation !== requestGeneration) {
+        done('ok')
+        return
+      }
+      loadError.value = false
+      currData.value = pageData
       // 标计为已请求完成
       isRefreshed.value = true
       if (currData.value.length === 0) {
@@ -135,9 +154,19 @@ async function fetchData({ done }: { done: any }) {
       }
     }
   } catch (error) {
+    if (generation !== requestGeneration) {
+      done('ok')
+      return
+    }
     console.error(error)
+    isRefreshed.value = true
+    loadError.value = true
     // 返回加载失败
     done('error')
+  } finally {
+    if (generation === requestGeneration) {
+      loading.value = false
+    }
   }
 }
 
@@ -154,9 +183,24 @@ onMounted(() => {
 <template>
   <VPageContentTitle v-if="keyword" :title="`${t('common.search')}：${keyword}`" />
   <LoadingBanner v-if="!isRefreshed" class="mt-12" />
-  <VInfiniteScroll mode="intersect" side="end" :items="dataList" class="overflow-visible px-2" @load="fetchData" :key="currentKey">
+  <VInfiniteScroll
+    mode="intersect"
+    side="end"
+    :items="dataList"
+    class="overflow-visible px-2"
+    @load="fetchData"
+    :key="currentKey"
+  >
     <template #loading />
     <template #empty />
+    <template #error="{ props: retryProps }">
+      <div class="d-flex flex-column align-center ga-2 py-4" role="alert">
+        <span class="text-medium-emphasis">{{ t('common.apiRequestFailed') }}</span>
+        <VBtn v-bind="retryProps" prepend-icon="mdi-refresh" size="small" variant="tonal">
+          {{ t('common.retry') }}
+        </VBtn>
+      </div>
+    </template>
     <ProgressiveCardGrid
       v-if="dataList.length > 0"
       :items="dataList"
@@ -175,7 +219,7 @@ onMounted(() => {
       </template>
     </ProgressiveCardGrid>
     <NoDataFound
-      v-if="dataList.length === 0 && isRefreshed"
+      v-if="dataList.length === 0 && isRefreshed && !loadError"
       error-code="404"
       :error-title="t('common.noData')"
       :error-description="keyword ? t('common.noContent') : t('workflow.noShareData')"
diff --git a/src/views/workflow/__tests__/WorkflowShareView.spec.ts b/src/views/workflow/__tests__/WorkflowShareView.spec.ts
new file mode 100644
index 00000000..30ecd98c
--- /dev/null
+++ b/src/views/workflow/__tests__/WorkflowShareView.spec.ts
@@ -0,0 +1,304 @@
+import type { WorkflowShare } from '@/api/types'
+import WorkflowShareView from '@/views/workflow/WorkflowShareView.vue'
+import { fireEvent, screen, waitFor } from '@testing-library/vue'
+import { renderWithProviders } from '@tests/support/render'
+import { defineComponent, h, onMounted, ref, type PropType } from 'vue'
+import { beforeEach, describe, expect, it, vi } from 'vitest'
+
+const mocks = vi.hoisted(() => ({
+  apiGet: vi.fn(),
+}))
+
+vi.mock('@/api', () => ({
+  default: {
+    get: (...args: unknown[]) => mocks.apiGet(...args),
+  },
+}))
+
+const LoadingBannerStub = defineComponent({
+  name: 'LoadingBanner',
+  template: '<div role="status">正在加载共享工作流</div>',
+})
+
+const NoDataFoundStub = defineComponent({
+  name: 'NoDataFound',
+  props: {
+    errorTitle: String,
+  },
+  template: '<section role="region" aria-label="共享工作流状态">{{ errorTitle }}</section>',
+})
+
+const InfiniteScrollStub = defineComponent({
+  name: 'VInfiniteScroll',
+  emits: ['load'],
+  setup(_props, { emit, slots }) {
+    const status = ref<string>()
+    const load = () => emit('load', { done: (value: string) => (status.value = value) })
+    onMounted(load)
+    return () =>
+      h('div', { 'data-testid': 'share-scroll', 'data-status': status.value }, [
+        slots.default?.(),
+        status.value === 'error' ? slots.error?.({ props: { onClick: load }, side: 'end' }) : undefined,
+      ])
+  },
+})
+
+const ProgressiveCardGridStub = defineComponent({
+  name: 'ProgressiveCardGrid',
+  props: {
+    getItemKey: { type: Function as PropType<(item: WorkflowShare) => string | undefined>, required: true },
+    items: { type: Array as PropType<WorkflowShare[]>, required: true },
+  },
+  setup(props, { slots }) {
+    return () =>
+      h(
+        'section',
+        { 'data-testid': 'share-grid' },
+        props.items.flatMap(item => {
+          props.getItemKey(item)
+          return slots.default?.({ item }) ?? []
+        }),
+      )
+  },
+})
+
+const WorkflowShareCardStub = defineComponent({
+  name: 'WorkflowShareCard',
+  props: {
+    workflow: { type: Object as PropType<WorkflowShare>, required: true },
+  },
+  emits: ['delete', 'update'],
+  setup(props, { emit }) {
+    return () =>
+      h('article', { 'data-testid': `share-card-${props.workflow.id}` }, [
+        h('span', props.workflow.share_title),
+        h(
+          'button',
+          {
+            'aria-label': `删除-${props.workflow.id}`,
+            onClick: () => emit('delete'),
+            type: 'button',
+          },
+          '删除',
+        ),
+        h(
+          'button',
+          {
+            'aria-label': `刷新-${props.workflow.id}`,
+            onClick: () => emit('update'),
+            type: 'button',
+          },
+          '刷新',
+        ),
+      ])
+  },
+})
+
+function createWorkflowShare(overrides: Partial<WorkflowShare> = {}): WorkflowShare {
+  return {
+    id: 'share-1',
+    share_title: '共享工作流',
+    share_user: '测试用户',
+    ...overrides,
+  }
+}
+
+function shareRequests() {
+  return mocks.apiGet.mock.calls.filter(([endpoint]) => endpoint === 'workflow/shares')
+}
+
+function createDeferred<T>() {
+  let resolve!: (value: T) => void
+  let reject!: (reason: Error) => void
+  const promise = new Promise<T>((done, fail) => {
+    resolve = done
+    reject = fail
+  })
+  return { promise, reject, resolve }
+}
+
+async function renderList(keyword = '') {
+  return renderWithProviders(WorkflowShareView, {
+    global: {
+      stubs: {
+        LoadingBanner: LoadingBannerStub,
+        NoDataFound: NoDataFoundStub,
+        ProgressiveCardGrid: ProgressiveCardGridStub,
+        VInfiniteScroll: InfiniteScrollStub,
+        VPageContentTitle: true,
+        WorkflowShareCard: WorkflowShareCardStub,
+      },
+    },
+    props: { keyword },
+  })
+}
+
+describe('WorkflowShareView', () => {
+  beforeEach(() => {
+    mocks.apiGet.mockReset()
+    vi.spyOn(console, 'error').mockImplementation(() => {})
+    Object.defineProperty(document.body, 'scrollHeight', { configurable: true, value: 1200 })
+    Object.defineProperty(window, 'innerHeight', { configurable: true, value: 600 })
+  })
+
+  it('loads the current page with the exact keyword and renders shared workflows', async () => {
+    const share = createWorkflowShare()
+    mocks.apiGet.mockImplementation((endpoint: string) => {
+      if (endpoint === 'workflow/event_types') return []
+      if (endpoint === 'workflow/shares') return [share]
+      throw new Error(`Unexpected GET ${endpoint}`)
+    })
+
+    await renderList('自动整理')
+
+    expect(await screen.findByText(share.share_title!)).toBeInTheDocument()
+    expect(shareRequests()).toEqual([
+      [
+        'workflow/shares',
+        {
+          params: { count: 30, name: '自动整理', page: 1 },
+        },
+      ],
+    ])
+    expect(screen.queryByRole('status')).not.toBeInTheDocument()
+  })
+
+  it('shows the legitimate empty state after a successful empty response', async () => {
+    mocks.apiGet.mockImplementation((endpoint: string) => {
+      if (endpoint === 'workflow/event_types') return []
+      if (endpoint === 'workflow/shares') return []
+      throw new Error(`Unexpected GET ${endpoint}`)
+    })
+
+    await renderList()
+
+    expect(await screen.findByRole('region', { name: '共享工作流状态' })).toHaveTextContent('暂无数据')
+    expect(screen.getByTestId('share-scroll')).toHaveAttribute('data-status', 'empty')
+    expect(screen.queryByRole('alert')).not.toBeInTheDocument()
+    expect(screen.queryByRole('status')).not.toBeInTheDocument()
+  })
+
+  it('prefills consecutive pages until the viewport is full or the backend is exhausted', async () => {
+    Object.defineProperty(document.body, 'scrollHeight', { configurable: true, value: 600 })
+    const firstPage = createWorkflowShare({ share_title: '首个预加载结果' })
+    mocks.apiGet.mockImplementation((endpoint: string, options?: { params?: { page?: number } }) => {
+      if (endpoint === 'workflow/event_types') return []
+      if (endpoint !== 'workflow/shares') throw new Error(`Unexpected GET ${endpoint}`)
+      return options?.params?.page === 1 ? [firstPage] : []
+    })
+
+    await renderList()
+
+    expect(await screen.findByText(firstPage.share_title!)).toBeInTheDocument()
+    await waitFor(() => expect(shareRequests()).toHaveLength(2))
+    expect(shareRequests().map(([, options]) => options)).toEqual([
+      { params: { count: 30, name: '', page: 1 } },
+      { params: { count: 30, name: '', page: 2 } },
+    ])
+    expect(screen.getByTestId('share-scroll')).toHaveAttribute('data-status', 'empty')
+  })
+
+  it('leaves the loading state and retries the same page after an initial failure', async () => {
+    const recovered = createWorkflowShare({ share_title: '恢复后的共享工作流' })
+    let attempt = 0
+    mocks.apiGet.mockImplementation((endpoint: string) => {
+      if (endpoint === 'workflow/event_types') return []
+      if (endpoint === 'workflow/shares') {
+        attempt += 1
+        if (attempt === 1) return Promise.reject(new Error('network unavailable'))
+        return [recovered]
+      }
+      throw new Error(`Unexpected GET ${endpoint}`)
+    })
+
+    await renderList()
+
+    const failure = await screen.findByRole('alert')
+    expect(failure).toHaveTextContent('请求失败')
+    expect(screen.queryByRole('region', { name: '共享工作流状态' })).not.toBeInTheDocument()
+    expect(screen.queryByRole('status')).not.toBeInTheDocument()
+    const retry = screen.getByRole('button', { name: '重试' })
+    await fireEvent.click(retry)
+
+    expect(await screen.findByText(recovered.share_title!)).toBeInTheDocument()
+    expect(screen.queryByRole('alert')).not.toBeInTheDocument()
+    expect(shareRequests()).toHaveLength(2)
+    expect(shareRequests()[1][1]).toEqual({ params: { count: 30, name: '', page: 1 } })
+  })
+
+  it('keeps the newest keyword result when an older request finishes later', async () => {
+    const oldRequest = createDeferred<WorkflowShare[]>()
+    const latest = createWorkflowShare({ id: 'share-new', share_title: '新关键字结果' })
+    mocks.apiGet.mockImplementation((endpoint: string, options?: { params?: { name?: string } }) => {
+      if (endpoint === 'workflow/event_types') return []
+      if (endpoint !== 'workflow/shares') throw new Error(`Unexpected GET ${endpoint}`)
+      if (options?.params?.name === '旧关键字') return oldRequest.promise
+      if (options?.params?.name === '新关键字') return [latest]
+      throw new Error(`Unexpected keyword ${options?.params?.name}`)
+    })
+
+    const { rerender } = await renderList('旧关键字')
+    await waitFor(() => expect(shareRequests()).toHaveLength(1))
+    await rerender({ keyword: '新关键字' })
+
+    expect(await screen.findByText(latest.share_title!)).toBeInTheDocument()
+    oldRequest.resolve([createWorkflowShare({ share_title: '迟到旧结果' })])
+    await oldRequest.promise
+
+    expect(screen.getByText(latest.share_title!)).toBeInTheDocument()
+    expect(screen.queryByText('迟到旧结果')).not.toBeInTheDocument()
+  })
+
+  it('ignores an older keyword failure after the newest request succeeds', async () => {
+    const oldRequest = createDeferred<WorkflowShare[]>()
+    const latest = createWorkflowShare({ id: 'share-new', share_title: '新关键字成功结果' })
+    mocks.apiGet.mockImplementation((endpoint: string, options?: { params?: { name?: string } }) => {
+      if (endpoint === 'workflow/event_types') return []
+      if (endpoint !== 'workflow/shares') throw new Error(`Unexpected GET ${endpoint}`)
+      if (options?.params?.name === '旧关键字') return oldRequest.promise
+      if (options?.params?.name === '新关键字') return [latest]
+      throw new Error(`Unexpected keyword ${options?.params?.name}`)
+    })
+
+    const { rerender } = await renderList('旧关键字')
+    await waitFor(() => expect(shareRequests()).toHaveLength(1))
+    await rerender({ keyword: '新关键字' })
+    expect(await screen.findByText(latest.share_title!)).toBeInTheDocument()
+
+    oldRequest.reject(new Error('stale network failure'))
+    await waitFor(() => expect(screen.getByText(latest.share_title!)).toBeInTheDocument())
+
+    expect(screen.queryByRole('button', { name: '重试共享列表' })).not.toBeInTheDocument()
+    expect(screen.queryByRole('status')).not.toBeInTheDocument()
+  })
+
+  it('removes a deleted share locally and forwards fork completion to the parent', async () => {
+    const share = createWorkflowShare()
+    mocks.apiGet.mockImplementation((endpoint: string) => {
+      if (endpoint === 'workflow/event_types') return []
+      if (endpoint === 'workflow/shares') return [share]
+      throw new Error(`Unexpected GET ${endpoint}`)
+    })
+    const update = vi.fn()
+    await renderWithProviders(WorkflowShareView, {
+      global: {
+        stubs: {
+          LoadingBanner: LoadingBannerStub,
+          NoDataFound: NoDataFoundStub,
+          ProgressiveCardGrid: ProgressiveCardGridStub,
+          VInfiniteScroll: InfiniteScrollStub,
+          VPageContentTitle: true,
+          WorkflowShareCard: WorkflowShareCardStub,
+        },
+      },
+      props: { onUpdate: update },
+    })
+    expect(await screen.findByText(share.share_title!)).toBeInTheDocument()
+
+    await fireEvent.click(screen.getByRole('button', { name: '刷新-share-1' }))
+    await fireEvent.click(screen.getByRole('button', { name: '删除-share-1' }))
+
+    expect(update).toHaveBeenCalledOnce()
+    expect(screen.queryByText(share.share_title!)).not.toBeInTheDocument()
+  })
+})
diff --git a/vite.config.ts b/vite.config.ts
index 9a27c3eb..2eff21fe 100644
--- a/vite.config.ts
+++ b/vite.config.ts
@@ -425,6 +425,7 @@ export default defineConfig(({ command, mode, isPreview }) => ({
         'src/views/setting/AccountSettingSystem.vue',
         'src/views/user/UserListView.vue',
         'src/views/workflow/WorkflowListView.vue',
+        'src/views/workflow/WorkflowShareView.vue',
         'src/views/user/UserProfileView.vue',
         'src/views/reorganize/DownloadingListView.vue',
         'src/views/plugin/PluginCardListView.vue',
@@ -630,6 +631,12 @@ export default defineConfig(({ command, mode, isPreview }) => ({
           lines: 85,
           statements: 85,
         },
+        'src/views/workflow/WorkflowShareView.vue': {
+          branches: 80,
+          functions: 90,
+          lines: 90,
+          statements: 90,
+        },
         'src/views/user/UserProfileView.vue': {
           branches: 75,
           functions: 80,