'use client'
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import { useCallback, useEffect, useRef, useState } from 'react'
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import {
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useRouter,
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} from 'next/navigation'
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import useSWRInfinite from 'swr/infinite'
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import { useTranslation } from 'react-i18next'
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import { useDebounceFn } from 'ahooks'
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import {
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RiApps2Line,
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RiExchange2Line,
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RiFile4Line,
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RiMessage3Line,
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RiRobot3Line,
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} from '@remixicon/react'
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import AppCard from './AppCard'
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import NewAppCard from './NewAppCard'
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import useAppsQueryState from './hooks/useAppsQueryState'
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import type { AppListResponse } from '@/models/app'
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import { fetchAppList } from '@/service/apps'
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import { useAppContext } from '@/context/app-context'
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import { NEED_REFRESH_APP_LIST_KEY } from '@/config'
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import { CheckModal } from '@/hooks/use-pay'
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import TabSliderNew from '@/app/components/base/tab-slider-new'
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import { useTabSearchParams } from '@/hooks/use-tab-searchparams'
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import Input from '@/app/components/base/input'
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import { useStore as useTagStore } from '@/app/components/base/tag-management/store'
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import TagManagementModal from '@/app/components/base/tag-management'
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import TagFilter from '@/app/components/base/tag-management/filter'
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import CheckboxWithLabel from '@/app/components/datasets/create/website/base/checkbox-with-label'
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const getKey = (
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pageIndex: number,
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previousPageData: AppListResponse,
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activeTab: string,
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isCreatedByMe: boolean,
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tags: string[],
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keywords: string,
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) => {
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if (!pageIndex || previousPageData.has_more) {
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const params: any = { url: 'apps', params: { page: pageIndex + 1, limit: 30, name: keywords, is_created_by_me: isCreatedByMe } }
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if (activeTab !== 'all')
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params.params.mode = activeTab
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else
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delete params.params.mode
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if (tags.length)
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params.params.tag_ids = tags
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return params
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}
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return null
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}
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const Apps = () => {
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const { t } = useTranslation()
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const router = useRouter()
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const { isCurrentWorkspaceEditor, isCurrentWorkspaceDatasetOperator } = useAppContext()
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const showTagManagementModal = useTagStore(s => s.showTagManagementModal)
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const [activeTab, setActiveTab] = useTabSearchParams({
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defaultTab: 'all',
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})
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const { query: { tagIDs = [], keywords = '', isCreatedByMe: queryIsCreatedByMe = false }, setQuery } = useAppsQueryState()
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const [isCreatedByMe, setIsCreatedByMe] = useState(queryIsCreatedByMe)
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const [tagFilterValue, setTagFilterValue] = useState<string[]>(tagIDs)
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const [searchKeywords, setSearchKeywords] = useState(keywords)
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const newAppCardRef = useRef<HTMLDivElement>(null)
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const setKeywords = useCallback((keywords: string) => {
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setQuery(prev => ({ ...prev, keywords }))
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}, [setQuery])
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const setTagIDs = useCallback((tagIDs: string[]) => {
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setQuery(prev => ({ ...prev, tagIDs }))
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}, [setQuery])
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const { data, isLoading, error, setSize, mutate } = useSWRInfinite(
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(pageIndex: number, previousPageData: AppListResponse) => getKey(pageIndex, previousPageData, activeTab, isCreatedByMe, tagIDs, searchKeywords),
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fetchAppList,
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{
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revalidateFirstPage: true,
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shouldRetryOnError: false,
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dedupingInterval: 500,
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errorRetryCount: 3,
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},
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)
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const anchorRef = useRef<HTMLDivElement>(null)
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const options = [
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{ value: 'all', text: t('app.types.all'), icon: <RiApps2Line className='mr-1 h-[14px] w-[14px]' /> },
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{ value: 'chat', text: t('app.types.chatbot'), icon: <RiMessage3Line className='mr-1 h-[14px] w-[14px]' /> },
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{ value: 'agent-chat', text: t('app.types.agent'), icon: <RiRobot3Line className='mr-1 h-[14px] w-[14px]' /> },
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{ value: 'completion', text: t('app.types.completion'), icon: <RiFile4Line className='mr-1 h-[14px] w-[14px]' /> },
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{ value: 'advanced-chat', text: t('app.types.advanced'), icon: <RiMessage3Line className='mr-1 h-[14px] w-[14px]' /> },
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{ value: 'workflow', text: t('app.types.workflow'), icon: <RiExchange2Line className='mr-1 h-[14px] w-[14px]' /> },
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]
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useEffect(() => {
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document.title = `${t('common.menus.apps')} - Dify`
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if (localStorage.getItem(NEED_REFRESH_APP_LIST_KEY) === '1') {
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localStorage.removeItem(NEED_REFRESH_APP_LIST_KEY)
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mutate()
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}
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}, [mutate, t])
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useEffect(() => {
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if (isCurrentWorkspaceDatasetOperator)
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return router.replace('/datasets')
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}, [router, isCurrentWorkspaceDatasetOperator])
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useEffect(() => {
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const hasMore = data?.at(-1)?.has_more ?? true
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let observer: IntersectionObserver | undefined
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if (error) {
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if (observer)
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observer.disconnect()
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return
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}
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if (anchorRef.current) {
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observer = new IntersectionObserver((entries) => {
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if (entries[0].isIntersecting && !isLoading && !error && hasMore)
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setSize((size: number) => size + 1)
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}, { rootMargin: '100px' })
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observer.observe(anchorRef.current)
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}
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return () => observer?.disconnect()
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}, [isLoading, setSize, anchorRef, mutate, data, error])
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const { run: handleSearch } = useDebounceFn(() => {
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setSearchKeywords(keywords)
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}, { wait: 500 })
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const handleKeywordsChange = (value: string) => {
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setKeywords(value)
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handleSearch()
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}
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const { run: handleTagsUpdate } = useDebounceFn(() => {
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setTagIDs(tagFilterValue)
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}, { wait: 500 })
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const handleTagsChange = (value: string[]) => {
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setTagFilterValue(value)
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handleTagsUpdate()
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}
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const handleCreatedByMeChange = useCallback(() => {
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const newValue = !isCreatedByMe
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setIsCreatedByMe(newValue)
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setQuery(prev => ({ ...prev, isCreatedByMe: newValue }))
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}, [isCreatedByMe, setQuery])
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return (
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<>
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<div className='sticky top-0 z-10 flex flex-wrap items-center justify-between gap-y-2 bg-background-body px-12 pb-2 pt-4 leading-[56px]'>
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<TabSliderNew
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value={activeTab}
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onChange={setActiveTab}
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options={options}
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/>
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<div className='flex items-center gap-2'>
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<CheckboxWithLabel
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className='mr-2'
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label={t('app.showMyCreatedAppsOnly')}
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isChecked={isCreatedByMe}
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onChange={handleCreatedByMeChange}
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/>
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<TagFilter type='app' value={tagFilterValue} onChange={handleTagsChange} />
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<Input
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showLeftIcon
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showClearIcon
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wrapperClassName='w-[200px]'
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value={keywords}
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onChange={e => handleKeywordsChange(e.target.value)}
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onClear={() => handleKeywordsChange('')}
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/>
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</div>
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</div>
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{(data && data[0].total > 0)
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? <div className='relative grid grow grid-cols-1 content-start gap-4 px-12 pt-2 sm:grid-cols-1 md:grid-cols-2 xl:grid-cols-4 2xl:grid-cols-5 2k:grid-cols-6'>
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{isCurrentWorkspaceEditor
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&& <NewAppCard ref={newAppCardRef} onSuccess={mutate} />}
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{data.map(({ data: apps }) => apps.map(app => (
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<AppCard key={app.id} app={app} onRefresh={mutate} />
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)))}
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</div>
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: <div className='relative grid grow grid-cols-1 content-start gap-4 overflow-hidden px-12 pt-2 sm:grid-cols-1 md:grid-cols-2 xl:grid-cols-4 2xl:grid-cols-5 2k:grid-cols-6'>
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{isCurrentWorkspaceEditor
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&& <NewAppCard ref={newAppCardRef} className='z-10' onSuccess={mutate} />}
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<NoAppsFound />
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</div>}
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<CheckModal />
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<div ref={anchorRef} className='h-0'> </div>
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{showTagManagementModal && (
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<TagManagementModal type='app' show={showTagManagementModal} />
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)}
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</>
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)
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}
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export default Apps
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function NoAppsFound() {
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const { t } = useTranslation()
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function renderDefaultCard() {
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const defaultCards = Array.from({ length: 36 }, (_, index) => (
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<div key={index} className='inline-flex h-[160px] rounded-xl bg-background-default-lighter'></div>
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))
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return defaultCards
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}
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return (
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<>
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{renderDefaultCard()}
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<div className='absolute bottom-0 left-0 right-0 top-0 flex items-center justify-center bg-gradient-to-t from-background-body to-transparent'>
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<span className='system-md-medium text-text-tertiary'>{t('app.newApp.noAppsFound')}</span>
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</div>
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</>
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)
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}
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