555 - Server-side query prefetching (SEO, no loadings)

src/api/api.ts

@@ -0,0 +1,46 @@
+import {ILogo} from '@/components/PageLayout/Footer/Logo'
+import {IPost} from '@/components/Posts/Post'
+import {FlatPage} from '@/types/api/base'
+import {MenuItemShort} from '@/types/api/cms'
+import {Competition, Event} from '@/types/api/competition'
+import {SeminarId} from '@/utils/useSeminarInfo'
+
+import {apiAxios} from './apiAxios'
+
+type OurCompetition = Omit<Competition, 'history_events'> & {history_events: Event[]}
+
+export const apiOptions = {
+  cms: {
+    flatPage: {
+      byUrl: (pageUrl: string) => ({
+        queryKey: ['cms', 'flat-page', 'by-url', pageUrl],
+        queryFn: () => apiAxios.get<FlatPage>(`/cms/flat-page/by-url/${pageUrl}`).then((res) => res.data),
+      }),
+    },
+    logo: () => ({
+      queryKey: ['cms', 'logo'],
+      queryFn: () => apiAxios.get<ILogo[]>('/cms/logo').then((res) => res.data),
+    }),
+    menuItem: {
+      onSite: (seminarId: SeminarId, type: 'menu' | 'footer') => ({
+        queryKey: ['cms', 'menu-item', 'on-site', seminarId, type],
+        queryFn: () =>
+          apiAxios.get<MenuItemShort[]>(`/cms/menu-item/on-site/${seminarId}?type=${type}`).then((res) => res.data),
+      }),
+    },
+    post: {
+      visible: (seminarId: SeminarId) => ({
+        queryKey: ['cms', 'post', 'visible', seminarId],
+        queryFn: () => apiAxios.get<IPost[]>(`/cms/post/visible?sites=${seminarId}`).then((res) => res.data),
+      }),
+    },
+  },
+  competition: {
+    competition: {
+      slug: (slug: string) => ({
+        queryKey: ['competition', 'competition', 'slug', slug],
+        queryFn: () => apiAxios.get<OurCompetition>(`/competition/competition/slug/${slug}`).then((res) => res.data),
+      }),
+    },
+  },
+}

src/api/apiAxios.ts

@@ -4,14 +4,16 @@ import {apiInterceptor} from '@/api/apiInterceptor'
 import {debugServer} from '@/utils/debugServer'
 import {getBackendServerUrl} from '@/utils/urlBase'
 
-export const newApiAxios = (base: 'server' | 'client') => {
+export const newApiAxios = () => {
+  const isServer = typeof window === 'undefined'
+
   const instance = axios.create({
     // axios requesty mozu byt z FE next serveru alebo z browsru.
     // - server vola BE URL (podla env vars) priamo
     // - browser vola lokalnu /api URL
     //   - na deployed verzii (test.strom.sk, strom.sk) to chyti nginx a posle na deployed BE
     //   - na localhoste to chyti next middleware, kde to rewritneme na BE URL (podla env vars)
-    baseURL: base === 'server' ? `${getBackendServerUrl()}/api` : '/api',
+    baseURL: isServer ? `${getBackendServerUrl()}/api` : '/api',
     // auth pozostava z comba:
     // 1. `sessionid` httpOnly cookie - nastavuje a maze su server pri login/logout
     // 2. CSRF hlavicka - server nastavuje cookie, ktorej hodnotu treba vlozit do hlavicky. axios riesi automaticky podla tohto configu
@@ -22,7 +24,7 @@ export const newApiAxios = (base: 'server' | 'client') => {
     withCredentials: true,
   })
 
-  if (base === 'server') {
+  if (isServer) {
     // prvy definovany interceptor bezi posledny. logujeme finalnu URL
     instance.interceptors.request.use((config) => {
       const {method, url, baseURL} = config
@@ -44,6 +46,4 @@ export const newApiAxios = (base: 'server' | 'client') => {
 }
 
 // nasa "globalna" API instancia
-export const apiAxios = newApiAxios('client')
-
-export const serverApiAxios = newApiAxios('server')
+export const apiAxios = newApiAxios()

src/api/commonQueries.ts

@@ -0,0 +1,15 @@
+import {QueryClient} from '@tanstack/react-query'
+
+import {getSeminarInfoFromPathname} from '@/utils/useSeminarInfo'
+
+import {apiOptions} from './api'
+
+export const commonQueries = (queryClient: QueryClient, resolvedUrl: string) => {
+  const {seminarId} = getSeminarInfoFromPathname(resolvedUrl)
+
+  return [
+    queryClient.prefetchQuery(apiOptions.cms.menuItem.onSite(seminarId, 'menu')),
+    queryClient.prefetchQuery(apiOptions.cms.menuItem.onSite(seminarId, 'footer')),
+    queryClient.prefetchQuery(apiOptions.cms.logo()),
+  ]
+}

src/components/PageLayout/Footer/Footer.tsx

@@ -3,11 +3,10 @@ import Grid from '@mui/material/Unstable_Grid2'
 import {useQuery} from '@tanstack/react-query'
 import {FC} from 'react'
 
-import {apiAxios} from '@/api/apiAxios'
+import {apiOptions} from '@/api/api'
 import {Link} from '@/components/Clickable/Link'
 import {Loading} from '@/components/Loading/Loading'
-import {ILogo, Logo} from '@/components/PageLayout/Footer/Logo'
-import {MenuItemShort} from '@/types/api/cms'
+import {Logo} from '@/components/PageLayout/Footer/Logo'
 import {useSeminarInfo} from '@/utils/useSeminarInfo'
 
 export const Footer: FC = () => {
@@ -17,21 +16,11 @@ export const Footer: FC = () => {
     data: menuItemsData,
     isLoading: menuItemsIsLoading,
     error: menuItemsError,
-  } = useQuery({
-    queryKey: ['cms', 'menu-item', 'on-site', seminarId, '?footer'],
-    queryFn: () => apiAxios.get<MenuItemShort[]>(`/cms/menu-item/on-site/${seminarId}?type=footer`),
-  })
-  const menuItems = menuItemsData?.data ?? []
+  } = useQuery(apiOptions.cms.menuItem.onSite(seminarId, 'footer'))
+  const menuItems = menuItemsData ?? []
 
-  const {
-    data: logosData,
-    isLoading: logosIsLoading,
-    error: logosError,
-  } = useQuery({
-    queryKey: ['cms', 'logo'],
-    queryFn: () => apiAxios.get<ILogo[]>('/cms/logo'),
-  })
-  const logos = logosData?.data.filter((logo) => !logo.disabled) ?? []
+  const {data: logosData, isLoading: logosIsLoading, error: logosError} = useQuery(apiOptions.cms.logo())
+  const logos = logosData?.filter((logo) => !logo.disabled) ?? []
 
   return (
     <Grid

src/components/PageLayout/MenuMain/MenuMain.tsx

@@ -3,12 +3,11 @@ import {useQuery} from '@tanstack/react-query'
 import {useRouter} from 'next/router'
 import {FC, useEffect, useState} from 'react'
 
-import {apiAxios} from '@/api/apiAxios'
+import {apiOptions} from '@/api/api'
 import {Link} from '@/components/Clickable/Link'
 import {CloseButton} from '@/components/CloseButton/CloseButton'
 import {Loading} from '@/components/Loading/Loading'
 import Menu from '@/svg/menu.svg'
-import {MenuItemShort} from '@/types/api/cms'
 import {useHasPermissions} from '@/utils/useHasPermissions'
 import {useSeminarInfo} from '@/utils/useSeminarInfo'
 
@@ -41,11 +40,10 @@ export const MenuMain: FC = () => {
     }
   }, [router, fullWidthMenu])
 
-  const {data: menuItemsData, isLoading: menuItemsIsLoading} = useQuery({
-    queryKey: ['cms', 'menu-item', 'on-site', seminarId, '?menu'],
-    queryFn: () => apiAxios.get<MenuItemShort[]>(`/cms/menu-item/on-site/${seminarId}?type=menu`),
-  })
-  const menuItems = menuItemsData?.data ?? []
+  const {data: menuItemsData, isLoading: menuItemsIsLoading} = useQuery(
+    apiOptions.cms.menuItem.onSite(seminarId, 'menu'),
+  )
+  const menuItems = menuItemsData ?? []
 
   const lg = useMediaQuery<Theme>((theme) => theme.breakpoints.up('lg'))
   const iconSize = lg ? 34 : 24

src/components/Posts/Posts.tsx

@@ -2,24 +2,21 @@ import {Stack, Typography} from '@mui/material'
 import {useQuery} from '@tanstack/react-query'
 import {FC} from 'react'
 
-import {apiAxios} from '@/api/apiAxios'
+import {apiOptions} from '@/api/api'
 import {useSeminarInfo} from '@/utils/useSeminarInfo'
 
 import {Loading} from '../Loading/Loading'
-import {IPost, Post} from './Post'
+import {Post} from './Post'
 
 export const Posts: FC = () => {
+  const {seminarId} = useSeminarInfo()
+
   const {
     data: postsData,
     isLoading: postsIsLoading,
     error: postsError,
-  } = useQuery({
-    queryKey: ['cms', 'post', 'visible'],
-    queryFn: () => apiAxios.get<IPost[]>(`/cms/post/visible?sites=${seminarId}`),
-  })
-  const posts = postsData?.data ?? []
-
-  const {seminarId} = useSeminarInfo()
+  } = useQuery(apiOptions.cms.post.visible(seminarId))
+  const posts = postsData ?? []
 
   if (postsIsLoading) return <Loading />
 

src/pages/_app.tsx

@@ -1,6 +1,6 @@
 import {CssBaseline} from '@mui/material'
 import {ThemeProvider} from '@mui/material/styles'
-import {QueryClient, QueryClientProvider} from '@tanstack/react-query'
+import {HydrationBoundary, QueryClient, QueryClientProvider} from '@tanstack/react-query'
 import {ReactQueryDevtools} from '@tanstack/react-query-devtools'
 import {isAxiosError} from 'axios'
 import {AppProps} from 'next/app'
@@ -33,6 +33,10 @@ const ReactQueryProvider: FC<PropsWithChildren> = ({children}) => {
               if (failureCount >= 3) return false
               return true
             },
+            // https://tanstack.com/query/latest/docs/framework/react/guides/ssr#initial-setup
+            // With SSR, we usually want to set some default staleTime
+            // above 0 to avoid refetching immediately on the client
+            staleTime: 60 * 1000,
           },
           mutations: {
             // globalny error handler requestov cez useMutation
@@ -89,18 +93,20 @@ const MyApp: FC<AppProps> = ({Component, pageProps}) => {
       </Head>
       <AlertContainer.Provider>
         <ReactQueryProvider>
-          <ReactQueryDevtools />
-          <CookiesProvider>
-            <AuthContainer.Provider>
-              <BannerAnimationContainer.Provider>
-                <ThemeProvider theme={theme}>
-                  <CssBaseline />
-                  <AlertBox />
-                  <Component {...pageProps} />
-                </ThemeProvider>
-              </BannerAnimationContainer.Provider>
-            </AuthContainer.Provider>
-          </CookiesProvider>
+          <HydrationBoundary state={pageProps.dehydratedState}>
+            <ReactQueryDevtools />
+            <CookiesProvider>
+              <AuthContainer.Provider>
+                <BannerAnimationContainer.Provider>
+                  <ThemeProvider theme={theme}>
+                    <CssBaseline />
+                    <AlertBox />
+                    <Component {...pageProps} />
+                  </ThemeProvider>
+                </BannerAnimationContainer.Provider>
+              </AuthContainer.Provider>
+            </CookiesProvider>
+          </HydrationBoundary>
         </ReactQueryProvider>
       </AlertContainer.Provider>
     </>

src/pages/malynar/[page].tsx

@@ -1,5 +1,5 @@
-import StromStaticPage, {seminarBasedGetServerSideProps} from '../strom/[page]'
+import StromStaticPage, {getServerSideProps} from '../strom/[page]'
 
 export default StromStaticPage
 
-export const getServerSideProps = seminarBasedGetServerSideProps('malynar')
+export {getServerSideProps}

src/pages/malynar/admin/opravit-ulohu/[[...params]].tsx

@@ -1,9 +1,11 @@
 import {NextPage} from 'next'
 
-import Page from '../../../strom/admin/opravit-ulohu/[[...params]]'
+import Page, {getServerSideProps} from '../../../strom/admin/opravit-ulohu/[[...params]]'
 
 const ProblemAdministration: NextPage = () => {
   return <Page />
 }
 
 export default ProblemAdministration
+
+export {getServerSideProps}

src/pages/malynar/admin/opravovanie/[[...params]].tsx

@@ -1,9 +1,11 @@
 import {NextPage} from 'next'
 
-import Page from '../../../strom/admin/opravovanie/[[...params]]'
+import Page, {getServerSideProps} from '../../../strom/admin/opravovanie/[[...params]]'
 
 const SemesterAdmnistration: NextPage = () => {
   return <Page />
 }
 
 export default SemesterAdmnistration
+
+export {getServerSideProps}

src/pages/malynar/akcie/[[...params]].tsx

@@ -1,5 +1,5 @@
-import StaticPage, {competitionBasedGetServerSideProps} from '../../strom/akcie/[[...params]]'
+import StaticPage, {getServerSideProps} from '../../strom/akcie/[[...params]]'
 
 export default StaticPage
 
-export const getServerSideProps = competitionBasedGetServerSideProps('malynar')
+export {getServerSideProps}

src/pages/malynar/archiv/[[...params]].tsx

@@ -1,9 +1,11 @@
 import {NextPage} from 'next'
 
-import Page from '../../strom/archiv/[[...params]]'
+import Page, {getServerSideProps} from '../../strom/archiv/[[...params]]'
 
 const Archiv: NextPage = () => {
   return <Page />
 }
 
 export default Archiv
+
+export {getServerSideProps}

src/pages/malynar/index.tsx

@@ -1,9 +1,11 @@
 import {NextPage} from 'next'
 
-import Page from '../strom/index'
+import Page, {getServerSideProps} from '../strom/index'
 
-const Malynar: NextPage = () => {
+const Home: NextPage = () => {
   return <Page />
 }
 
-export default Malynar
+export default Home
+
+export {getServerSideProps}

src/pages/malynar/profil/index.tsx

@@ -1,9 +1,11 @@
 import {NextPage} from 'next'
 
-import Page from '../../strom/profil/index'
+import Page, {getServerSideProps} from '../../strom/profil/index'
 
 const Profile: NextPage = () => {
   return <Page />
 }
 
 export default Profile
+
+export {getServerSideProps}

src/pages/malynar/profil/uprava.tsx

@@ -1,9 +1,11 @@
 import {NextPage} from 'next'
 
-import Page from '../../strom/profil/uprava'
+import Page, {getServerSideProps} from '../../strom/profil/uprava'
 
 const Profil: NextPage = () => {
   return <Page />
 }
 
 export default Profil
+
+export {getServerSideProps}

src/pages/malynar/registracia.tsx

@@ -1,9 +1,11 @@
 import {NextPage} from 'next'
 
-import Page from '../strom/registracia'
+import Page, {getServerSideProps} from '../strom/registracia'
 
 const Register: NextPage = () => {
   return <Page />
 }
 
 export default Register
+
+export {getServerSideProps}

src/pages/malynar/reset-password/[...resetToken].tsx

@@ -1,5 +1,5 @@
-import PasswordReset from '../../strom/reset-password/[...resetToken]'
+import PasswordReset, {getServerSideProps} from '../../strom/reset-password/[...resetToken]'
 
 export default PasswordReset
 
-export {getServerSideProps} from '../../strom/reset-password/[...resetToken]'
+export {getServerSideProps}

src/pages/malynar/verify-email/[verificationKey].tsx

@@ -1,9 +1,11 @@
 import {NextPage} from 'next'
 
-import Page from '../../strom/verify-email/[verificationKey]'
+import Page, {getServerSideProps} from '../../strom/verify-email/[verificationKey]'
 
 const Verify: NextPage = () => {
   return <Page />
 }
 
 export default Verify
+
+export {getServerSideProps}

src/pages/malynar/vysledky/[[...params]].tsx

@@ -1,9 +1,11 @@
 import {NextPage} from 'next'
 
-import Page from '../../strom/vysledky/[[...params]]'
+import Page, {getServerSideProps} from '../../strom/vysledky/[[...params]]'
 
 const Vysledky: NextPage = () => {
   return <Page />
 }
 
 export default Vysledky
+
+export {getServerSideProps}