feat(web): snippet list data fetching in block selector

web/app/components/workflow/block-selector/snippets.tsx

@@ -1,221 +0,0 @@
-import type { CreateSnippetDialogPayload } from '../create-snippet-dialog'
-import type { Snippet as SnippetDetail } from '@/types/snippet'
-import {
-  memo,
-  useDeferredValue,
-  useMemo,
-  useState,
-} from 'react'
-import { useTranslation } from 'react-i18next'
-import Button from '@/app/components/base/button'
-import { toast } from '@/app/components/base/ui/toast'
-import {
-  Tooltip,
-  TooltipContent,
-  TooltipTrigger,
-} from '@/app/components/base/ui/tooltip'
-import { useRouter } from '@/next/navigation'
-import { consoleClient } from '@/service/client'
-import { useCreateSnippetMutation } from '@/service/use-snippets'
-import { cn } from '@/utils/classnames'
-import CreateSnippetDialog from '../create-snippet-dialog'
-import { BlockEnum } from '../types'
-import SnippetDetailCard from './snippet-detail-card'
-import SnippetListItem from './snippet-list-item'
-
-type SnippetsProps = {
-  loading?: boolean
-  searchText: string
-}
-
-type StaticSnippet = SnippetDetail & {
-  relatedBlocks?: BlockEnum[]
-}
-
-const STATIC_SNIPPETS: StaticSnippet[] = [
-  {
-    id: 'customer-review',
-    name: 'Customer Review',
-    description: 'Collects customer review context, classifies request intent, and routes the workflow through the right generation branch.',
-    author: 'Evan',
-    type: 'group',
-    is_published: true,
-    version: '1.0.0',
-    use_count: 128,
-    input_fields: [],
-    created_at: 1742889600,
-    updated_at: 1742976000,
-    icon_info: {
-      icon_type: 'emoji',
-      icon: '🧾',
-      icon_background: '#FFEAD5',
-      icon_url: '',
-    },
-    relatedBlocks: [
-      BlockEnum.LLM,
-      BlockEnum.Code,
-      BlockEnum.KnowledgeRetrieval,
-      BlockEnum.QuestionClassifier,
-      BlockEnum.IfElse,
-    ],
-  },
-] as const
-
-const LoadingSkeleton = () => {
-  return (
-    <div className="relative overflow-hidden">
-      <div className="p-1">
-        {['skeleton-1', 'skeleton-2', 'skeleton-3', 'skeleton-4'].map((key, index) => (
-          <div
-            key={key}
-            className={cn(
-              'flex items-center gap-1 px-3 py-1 opacity-20',
-              index === 3 && 'opacity-10',
-            )}
-          >
-            <div className="my-1 h-6 w-6 shrink-0 rounded-lg border-[0.5px] border-effects-icon-border bg-text-quaternary" />
-            <div className="min-w-0 flex-1 px-1 py-1">
-              <div className="h-2 w-[200px] rounded-[2px] bg-text-quaternary" />
-            </div>
-          </div>
-        ))}
-      </div>
-      <div className="pointer-events-none absolute inset-0 bg-gradient-to-b from-components-panel-bg-transparent to-background-default-subtle" />
-    </div>
-  )
-}
-
-const Snippets = ({
-  loading = false,
-  searchText,
-}: SnippetsProps) => {
-  const { t } = useTranslation()
-  const { push } = useRouter()
-  const createSnippetMutation = useCreateSnippetMutation()
-  const deferredSearchText = useDeferredValue(searchText)
-  const [hoveredSnippetId, setHoveredSnippetId] = useState<string | null>(null)
-  const [isCreateSnippetDialogOpen, setIsCreateSnippetDialogOpen] = useState(false)
-  const [isCreatingSnippet, setIsCreatingSnippet] = useState(false)
-
-  const snippets = useMemo(() => {
-    return STATIC_SNIPPETS.map(item => ({
-      ...item,
-    }))
-  }, [])
-
-  const handleCloseCreateSnippetDialog = () => {
-    setIsCreateSnippetDialogOpen(false)
-  }
-
-  const handleCreateSnippet = async ({
-    name,
-    description,
-    icon,
-    graph,
-  }: CreateSnippetDialogPayload) => {
-    setIsCreatingSnippet(true)
-
-    try {
-      const snippet = await createSnippetMutation.mutateAsync({
-        body: {
-          name,
-          description: description || undefined,
-          icon_info: {
-            icon: icon.type === 'emoji' ? icon.icon : icon.fileId,
-            icon_type: icon.type,
-            icon_background: icon.type === 'emoji' ? icon.background : undefined,
-            icon_url: icon.type === 'image' ? icon.url : undefined,
-          },
-        },
-      })
-
-      await consoleClient.snippets.syncDraftWorkflow({
-        params: { snippetId: snippet.id },
-        body: { graph },
-      })
-
-      toast.success(t('snippet.createSuccess', { ns: 'workflow' }))
-      handleCloseCreateSnippetDialog()
-      push(`/snippets/${snippet.id}/orchestrate`)
-    }
-    catch (error) {
-      toast.error(error instanceof Error ? error.message : t('createFailed', { ns: 'snippet' }))
-    }
-    finally {
-      setIsCreatingSnippet(false)
-    }
-  }
-
-  const filteredSnippets = useMemo(() => {
-    const normalizedSearch = deferredSearchText.trim().toLowerCase()
-    if (!normalizedSearch)
-      return snippets
-
-    return snippets.filter(item => item.name.toLowerCase().includes(normalizedSearch))
-  }, [deferredSearchText, snippets])
-
-  if (loading)
-    return <LoadingSkeleton />
-
-  if (!filteredSnippets.length) {
-    return (
-      <>
-        <div className="flex min-h-[480px] flex-col items-center justify-center gap-2 px-4">
-          <span className="i-custom-vender-line-others-search-menu h-8 w-8 text-text-tertiary" />
-          <div className="text-text-secondary system-sm-regular">
-            {t('tabs.noSnippetsFound', { ns: 'workflow' })}
-          </div>
-          <Button
-            variant="secondary-accent"
-            size="small"
-            onClick={() => setIsCreateSnippetDialogOpen(true)}
-          >
-            {t('tabs.createSnippet', { ns: 'workflow' })}
-          </Button>
-        </div>
-        <CreateSnippetDialog
-          isOpen={isCreateSnippetDialogOpen}
-          isSubmitting={isCreatingSnippet || createSnippetMutation.isPending}
-          onClose={handleCloseCreateSnippetDialog}
-          onConfirm={handleCreateSnippet}
-        />
-      </>
-    )
-  }
-
-  return (
-    <div className="max-h-[480px] max-w-[500px] overflow-y-auto p-1">
-      {filteredSnippets.map((item) => {
-        const row = (
-          <SnippetListItem
-            snippet={item}
-            isHovered={hoveredSnippetId === item.id}
-            onMouseEnter={() => setHoveredSnippetId(item.id)}
-            onMouseLeave={() => setHoveredSnippetId(current => current === item.id ? null : current)}
-          />
-        )
-
-        if (!item.description)
-          return <div key={item.id}>{row}</div>
-
-        return (
-          <Tooltip key={item.id}>
-            <TooltipTrigger
-              delay={0}
-              render={row}
-            />
-            <TooltipContent
-              placement="left-start"
-              variant="plain"
-              popupClassName="!bg-transparent !p-0"
-            >
-              <SnippetDetailCard snippet={item} />
-            </TooltipContent>
-          </Tooltip>
-        )
-      })}
-    </div>
-  )
-}
-
-export default memo(Snippets)

web/app/components/workflow/block-selector/snippets/index.tsx

@@ -0,0 +1,223 @@
+import type { CreateSnippetDialogPayload } from '../../create-snippet-dialog'
+import { useInfiniteScroll } from 'ahooks'
+import {
+  memo,
+  useDeferredValue,
+  useMemo,
+  useRef,
+  useState,
+} from 'react'
+import { useTranslation } from 'react-i18next'
+import Loading from '@/app/components/base/loading'
+import {
+  ScrollAreaContent,
+  ScrollAreaRoot,
+  ScrollAreaScrollbar,
+  ScrollAreaThumb,
+  ScrollAreaViewport,
+} from '@/app/components/base/ui/scroll-area'
+import { toast } from '@/app/components/base/ui/toast'
+import {
+  Tooltip,
+  TooltipContent,
+  TooltipTrigger,
+} from '@/app/components/base/ui/tooltip'
+import { useRouter } from '@/next/navigation'
+import { consoleClient } from '@/service/client'
+import {
+  useCreateSnippetMutation,
+  useInfiniteSnippetList,
+} from '@/service/use-snippets'
+import { cn } from '@/utils/classnames'
+import CreateSnippetDialog from '../../create-snippet-dialog'
+import SnippetDetailCard from './snippet-detail-card'
+import SnippetEmptyState from './snippet-empty-state'
+import SnippetListItem from './snippet-list-item'
+
+type SnippetsProps = {
+  loading?: boolean
+  searchText: string
+}
+
+const LoadingSkeleton = () => {
+  return (
+    <div className="relative overflow-hidden">
+      <div className="p-1">
+        {['skeleton-1', 'skeleton-2', 'skeleton-3', 'skeleton-4'].map((key, index) => (
+          <div
+            key={key}
+            className={cn(
+              'flex items-center gap-1 px-3 py-1 opacity-20',
+              index === 3 && 'opacity-10',
+            )}
+          >
+            <div className="my-1 h-6 w-6 shrink-0 rounded-lg border-[0.5px] border-effects-icon-border bg-text-quaternary" />
+            <div className="min-w-0 flex-1 px-1 py-1">
+              <div className="h-2 w-[200px] rounded-[2px] bg-text-quaternary" />
+            </div>
+          </div>
+        ))}
+      </div>
+      <div className="pointer-events-none absolute inset-0 bg-gradient-to-b from-components-panel-bg-transparent to-background-default-subtle" />
+    </div>
+  )
+}
+
+const Snippets = ({
+  loading = false,
+  searchText,
+}: SnippetsProps) => {
+  const { t } = useTranslation()
+  const { push } = useRouter()
+  const createSnippetMutation = useCreateSnippetMutation()
+  const deferredSearchText = useDeferredValue(searchText)
+  const viewportRef = useRef<HTMLDivElement>(null)
+  const [hoveredSnippetId, setHoveredSnippetId] = useState<string | null>(null)
+  const [isCreateSnippetDialogOpen, setIsCreateSnippetDialogOpen] = useState(false)
+  const [isCreatingSnippet, setIsCreatingSnippet] = useState(false)
+
+  const keyword = deferredSearchText.trim() || undefined
+
+  const {
+    data,
+    isLoading,
+    isFetching,
+    isFetchingNextPage,
+    fetchNextPage,
+    hasNextPage,
+  } = useInfiniteSnippetList({
+    page: 1,
+    limit: 30,
+    keyword,
+    is_published: true,
+  })
+
+  const snippets = useMemo(() => {
+    return (data?.pages ?? []).flatMap(({ data }) => data)
+  }, [data?.pages])
+
+  const isNoMore = hasNextPage === false
+
+  useInfiniteScroll(
+    async () => {
+      if (!hasNextPage || isFetchingNextPage)
+        return { list: [] }
+
+      await fetchNextPage()
+      return { list: [] }
+    },
+    {
+      target: viewportRef,
+      isNoMore: () => isNoMore,
+      reloadDeps: [isNoMore, isFetchingNextPage, keyword],
+    },
+  )
+
+  const handleCloseCreateSnippetDialog = () => {
+    setIsCreateSnippetDialogOpen(false)
+  }
+
+  const handleCreateSnippet = async ({
+    name,
+    description,
+    icon,
+    graph,
+  }: CreateSnippetDialogPayload) => {
+    setIsCreatingSnippet(true)
+
+    try {
+      const snippet = await createSnippetMutation.mutateAsync({
+        body: {
+          name,
+          description: description || undefined,
+          icon_info: {
+            icon: icon.type === 'emoji' ? icon.icon : icon.fileId,
+            icon_type: icon.type,
+            icon_background: icon.type === 'emoji' ? icon.background : undefined,
+            icon_url: icon.type === 'image' ? icon.url : undefined,
+          },
+        },
+      })
+
+      await consoleClient.snippets.syncDraftWorkflow({
+        params: { snippetId: snippet.id },
+        body: { graph },
+      })
+
+      toast.success(t('snippet.createSuccess', { ns: 'workflow' }))
+      handleCloseCreateSnippetDialog()
+      push(`/snippets/${snippet.id}/orchestrate`)
+    }
+    catch (error) {
+      toast.error(error instanceof Error ? error.message : t('createFailed', { ns: 'snippet' }))
+    }
+    finally {
+      setIsCreatingSnippet(false)
+    }
+  }
+
+  if (loading || isLoading || (isFetching && snippets.length === 0))
+    return <LoadingSkeleton />
+
+  return (
+    <>
+      {!snippets.length
+        ? (
+            <SnippetEmptyState onCreate={() => setIsCreateSnippetDialogOpen(true)} />
+          )
+        : (
+            <ScrollAreaRoot className="relative max-h-[480px] max-w-[500px] overflow-hidden">
+              <ScrollAreaViewport ref={viewportRef}>
+                <ScrollAreaContent className="p-1">
+                  {snippets.map((item) => {
+                    const row = (
+                      <SnippetListItem
+                        snippet={item}
+                        isHovered={hoveredSnippetId === item.id}
+                        onMouseEnter={() => setHoveredSnippetId(item.id)}
+                        onMouseLeave={() => setHoveredSnippetId(current => current === item.id ? null : current)}
+                      />
+                    )
+
+                    if (!item.description)
+                      return <div key={item.id}>{row}</div>
+
+                    return (
+                      <Tooltip key={item.id}>
+                        <TooltipTrigger
+                          delay={0}
+                          render={row}
+                        />
+                        <TooltipContent
+                          placement="left-start"
+                          variant="plain"
+                          popupClassName="!bg-transparent !p-0"
+                        >
+                          <SnippetDetailCard snippet={item} />
+                        </TooltipContent>
+                      </Tooltip>
+                    )
+                  })}
+                  {isFetchingNextPage && (
+                    <div className="flex justify-center px-3 py-2">
+                      <Loading />
+                    </div>
+                  )}
+                </ScrollAreaContent>
+              </ScrollAreaViewport>
+              <ScrollAreaScrollbar orientation="vertical">
+                <ScrollAreaThumb />
+              </ScrollAreaScrollbar>
+            </ScrollAreaRoot>
+          )}
+      <CreateSnippetDialog
+        isOpen={isCreateSnippetDialogOpen}
+        isSubmitting={isCreatingSnippet || createSnippetMutation.isPending}
+        onClose={handleCloseCreateSnippetDialog}
+        onConfirm={handleCreateSnippet}
+      />
+    </>
+  )
+}
+
+export default memo(Snippets)

web/app/components/workflow/block-selector/snippets/snippet-detail-card.tsx

@@ -1,21 +1,17 @@
 import type { FC } from 'react'
-import type { BlockEnum } from '../types'
-import type { Snippet as SnippetDetail } from '@/types/snippet'
+import type { SnippetListItem } from '@/types/snippet'
 import AppIcon from '@/app/components/base/app-icon'
-import BlockIcon from '../block-icon'
 
-export type PublishedSnippetDetail = SnippetDetail & {
-  relatedBlocks?: BlockEnum[]
-}
+export type PublishedSnippetListItem = SnippetListItem
 
 type SnippetDetailCardProps = {
-  snippet: PublishedSnippetDetail
+  snippet: PublishedSnippetListItem
 }
 
 const SnippetDetailCard: FC<SnippetDetailCardProps> = ({
   snippet,
 }) => {
-  const { author, description, icon_info, name, relatedBlocks = [] } = snippet
+  const { author, description, icon_info, name } = snippet
 
   return (
     <div className="w-[224px] rounded-xl border-[0.5px] border-components-panel-border bg-components-panel-bg-blur px-3 pb-4 pt-3 shadow-lg backdrop-blur-[5px]">
@@ -35,17 +31,6 @@ const SnippetDetailCard: FC<SnippetDetailCardProps> = ({
             {description}
           </div>
         )}
-        {!!relatedBlocks.length && (
-          <div className="flex items-center gap-0.5 pt-1">
-            {relatedBlocks.map(block => (
-              <BlockIcon
-                key={block}
-                type={block}
-                size="sm"
-              />
-            ))}
-          </div>
-        )}
       </div>
       {!!author && (
         <div className="pt-3 text-text-tertiary system-xs-regular">

web/app/components/workflow/block-selector/snippets/snippet-empty-state.tsx

@@ -0,0 +1,31 @@
+import type { FC } from 'react'
+import { useTranslation } from 'react-i18next'
+import Button from '@/app/components/base/button'
+
+type SnippetEmptyStateProps = {
+  onCreate: () => void
+}
+
+const SnippetEmptyState: FC<SnippetEmptyStateProps> = ({
+  onCreate,
+}) => {
+  const { t } = useTranslation()
+
+  return (
+    <div className="flex min-h-[480px] flex-col items-center justify-center gap-2 px-4">
+      <span className="i-custom-vender-line-others-search-menu h-8 w-8 text-text-tertiary" />
+      <div className="text-text-secondary system-sm-regular">
+        {t('tabs.noSnippetsFound', { ns: 'workflow' })}
+      </div>
+      <Button
+        variant="secondary-accent"
+        size="small"
+        onClick={onCreate}
+      >
+        {t('tabs.createSnippet', { ns: 'workflow' })}
+      </Button>
+    </div>
+  )
+}
+
+export default SnippetEmptyState

web/app/components/workflow/block-selector/snippets/snippet-list-item.tsx

@@ -2,14 +2,14 @@ import type {
   ComponentPropsWithoutRef,
   Ref,
 } from 'react'
-import type { PublishedSnippetDetail } from './snippet-detail-card'
+import type { PublishedSnippetListItem } from './snippet-detail-card'
 import AppIcon from '@/app/components/base/app-icon'
 import { cn } from '@/utils/classnames'
 
 type SnippetListItemProps = {
   isHovered: boolean
   ref?: Ref<HTMLDivElement>
-  snippet: PublishedSnippetDetail
+  snippet: PublishedSnippetListItem
 } & ComponentPropsWithoutRef<'div'>
 
 const SnippetListItem = ({