WIP: Pagination

frontend/.env

@@ -1,4 +1,4 @@
 
 # The URL where your API can be reached on the web.
-DIRECTUS_API_URL="http://0.0.0.0:8055"
-GLOBALS_ID="4f8d9e66-ec95-4bdd-a5e7-34df8ea68a45"
+NEXT_PUBLIC_DIRECTUS_API_URL="http://0.0.0.0:8055"
+NEXT_PUBLIC_GLOBALS_ID="4f8d9e66-ec95-4bdd-a5e7-34df8ea68a45"

frontend/components/header.js

@@ -1,5 +1,3 @@
-'use client'
-
 import { MoonIcon, SunIcon } from '@chakra-ui/icons'
 import { Box, Button, Flex, Heading, Spacer, Stack, useColorMode, useColorModeValue } from '@chakra-ui/react'
 import { Link } from '@chakra-ui/next-js'

frontend/components/pagination.js

@@ -0,0 +1,78 @@
+import { Flex, Link, Select, Text } from '@chakra-ui/react'
+import clsx from 'clsx'
+import NextLink from 'next/link'
+import { useRouter } from 'next/router'
+import { Fragment } from 'react'
+
+export default function Pagination({ page = 1, itemsPerPage = 12, totalItems = 0, limit = 4 }) {
+  const router = useRouter()
+
+  const totalPages = Math.ceil(totalItems / itemsPerPage)
+
+  if (totalPages === 1) return <></>
+
+  const links = new Array(totalPages)
+    .fill(true)
+    .map((_v, i) => (i < limit || i >= totalPages - limit || (i >= page - limit && i < page + limit - 1)) && i + 1)
+    .filter((i) => i !== false)
+
+  return (
+    <>
+      <Flex justifyContent="space-between" direction={['column', 'row']} mt={6} mb={6} gap={3}>
+        <Link
+          //
+          as={NextLink}
+          href={{ query: { ...router.query, page: Math.max(1, page - 1) } }}
+          variant="pagination"
+        >
+          &larr; Previous
+        </Link>
+        <Flex gap={1} display={['none', 'none', 'flex']}>
+          {links.map((v, i) => (
+            <Fragment key={i}>
+              {v > 1 && v - 1 !== links[i - 1] && (
+                <Text marginX={3} lineHeight={10}>
+                  &hellip;
+                </Text>
+              )}
+              <Link
+                //
+                key={v}
+                as={NextLink}
+                prefetch={false}
+                href={{ query: { ...router.query, page: v } }}
+                className={clsx({
+                  current: v === page,
+                })}
+                variant="pagination"
+              >
+                {v}
+              </Link>
+            </Fragment>
+          ))}
+        </Flex>
+        <Select
+          value={page}
+          onChange={(v) => router.push({ query: { ...router.query, page: v.target.value } })}
+          display={['flex', 'flex', 'none']}
+          textAlign="center"
+        >
+          {new Array(totalPages).fill(true).map((v, i) => (
+            <option value={i + 1} key={i}>
+              {i + 1}
+            </option>
+          ))}
+        </Select>
+        <Link
+          //
+          as={NextLink}
+          href={{ query: { ...router.query, page: Math.min(totalPages, page + 1) } }}
+          variant="pagination"
+          textAlign="right"
+        >
+          Next &rarr;
+        </Link>
+      </Flex>
+    </>
+  )
+}

frontend/lib/directus.js

@@ -1,5 +0,0 @@
-import { Directus } from '@directus/sdk'
-
-const directus = new Directus(process.env.DIRECTUS_API_URL)
-
-export default directus

frontend/package.json

@@ -16,7 +16,9 @@
     "@directus/sdk": "10.3.3",
     "@emotion/react": "11.11.1",
     "@emotion/styled": "11.11.0",
-    "next": "13.4.7",
+    "@tanstack/react-query": "4.29.19",
+    "clsx": "1.2.1",
+    "next": "13.4.8",
     "react": "18.2.0",
     "react-dom": "18.2.0"
   }

frontend/pages/_app.js

@@ -1,12 +1,18 @@
 import { ChakraProvider } from '@chakra-ui/react'
+import { QueryClient, QueryClientProvider } from '@tanstack/react-query'
 import Layout from '~/components/layout'
+import theme from './theme'
+
+const queryClient = new QueryClient()
 
 export default function MyApp({ Component, pageProps }) {
   return (
-    <ChakraProvider>
-      <Layout>
-        <Component {...pageProps} />
-      </Layout>
-    </ChakraProvider>
+    <QueryClientProvider client={queryClient}>
+      <ChakraProvider theme={theme}>
+        <Layout>
+          <Component {...pageProps} />
+        </Layout>
+      </ChakraProvider>
+    </QueryClientProvider>
   )
 }

frontend/pages/theme.js

@@ -0,0 +1,40 @@
+import { extendTheme } from '@chakra-ui/react'
+import { defineStyle, defineStyleConfig } from '@chakra-ui/react'
+
+const pagination = defineStyle({
+  whiteSpace: 'nowrap',
+  bg: 'transparent',
+  gap: 3,
+  paddingInlineStart: 3,
+  paddingInlineEnd: 3,
+  lineHeight: 10,
+  borderRadius: 'md',
+  border: '1px solid',
+  borderColor: 'inherit',
+  width: '100%',
+  _hover: {
+    textDecor: 'none',
+  },
+  '&.current': {
+    bg: 'var(--chakra-colors-gray-300)',
+    border: '1px solid transparent',
+  },
+  _dark: {
+    bg: 'var(--chakra-colors-gray-900)',
+    '&.current': {
+      bg: 'var(--chakra-colors-gray-700)',
+    },
+  },
+})
+
+const linkTheme = defineStyleConfig({
+  variants: { pagination },
+})
+
+const theme = extendTheme({
+  components: {
+    Link: linkTheme,
+  },
+})
+
+export default theme

frontend/pages/vendors/index.js

@@ -1,108 +1,73 @@
-import {
-  Pagination,
-  PaginationContainer,
-  PaginationNext,
-  PaginationPage,
-  PaginationPageGroup,
-  PaginationPrevious,
-  usePagination,
-} from '@ajna/pagination'
 import { Link } from '@chakra-ui/next-js'
-import { Card, CardBody, Heading, Image, LinkBox, LinkOverlay, SimpleGrid, Text } from '@chakra-ui/react'
-import { useRouter } from 'next/navigation'
-import directus from '~/lib/directus'
+import { Card, CardBody, Heading, Image, LinkBox, LinkOverlay, SimpleGrid, Text, Skeleton } from '@chakra-ui/react'
+import { useQuery } from '@tanstack/react-query'
+import { useRouter } from 'next/router'
+import Pagination from '~/components/pagination'
 
 const PER_PAGE = 12
 
-export const getServerSideProps = async ({ query }) => {
-  const page = query?.page || 1
-  const sort = query?.sort || 'name'
-
-  const { data: vendors, meta } = await directus.items('vendors').readByQuery({
-    fields: [
-      //
-      '*',
-    ],
-    limit: PER_PAGE,
-    page,
-    meta: ['filter_count'],
-    sort,
-  })
-  return { props: { vendors, meta, page } }
-}
-
-export default function VendorsPage({ vendors, meta, page }) {
+export default function VendorsPage() {
   const router = useRouter()
+  const {
+    query: { page = 1 },
+  } = router
 
-  const { pages, pagesCount, currentPage, setCurrentPage, isDisabled } = usePagination({
-    total: meta.filter_count,
-    limits: {
-      outer: 1,
-      inner: 1,
-    },
-    initialState: {
-      pageSize: PER_PAGE,
-      isDisabled: false,
-      currentPage: page,
+  const { data, isFetching } = useQuery({
+    queryKey: ['vendors', page],
+    queryFn: async (...props2) => {
+      await new Promise((r) => setTimeout(r, 2000))
+
+      const res = await fetch(
+        `${process.env.NEXT_PUBLIC_DIRECTUS_API_URL}/items/vendors?fields[]=*&limit=12&page=${page}&meta[]=filter_count&sort=name`
+      )
+      if (!res.ok) {
+        throw new Error('wrong')
+      }
+
+      return res.json()
     },
+    keepPreviousData: true,
+    cacheTime: 1000 * 60 * 30,
+    staleTime: 1000 * 60 * 30,
   })
 
-  const handlePageChange = (nextPage) => {
-    setCurrentPage(nextPage)
-    router.replace(`?page=${nextPage}`)
-  }
+  const { meta, data: vendors } = data || { meta: {}, data: [] }
 
   return (
     <div>
       <Heading size="lg" my={8}>
         Vendors
       </Heading>
+
       <SimpleGrid columns={[1, 2, 3, 4]} spacing={3}>
-        {vendors.map((v) => (
-          <LinkBox as={Card} rounded={4} key={v.id}>
-            <Image
-              roundedTop={4}
-              objectFit="cover"
-              src="https://images.unsplash.com/photo-1531403009284-440f080d1e12?ixlib=rb-4.0.3&ixid=MnwxMjA3fDB8MHxwaG90by1wYWdlfHx8fGVufDB8fHx8&auto=format&fit=crop&w=250&q=80"
-              alt="Chakra UI"
-            />
-            <CardBody>
-              <LinkOverlay as={Link} href={`/vendors/${v.slug}`} prefetch={false}>
-                {v.name}
-              </LinkOverlay>
-            </CardBody>
-          </LinkBox>
-        ))}
+        {isFetching &&
+          new Array(PER_PAGE).fill(true).map((v, k) => (
+            <Card key={k}>
+              <Skeleton h="40" />
+              <CardBody>
+                <Skeleton h="4" />
+              </CardBody>
+            </Card>
+          ))}
+        {!isFetching &&
+          vendors.map((v) => (
+            <LinkBox as={Card} rounded={4} key={v.id}>
+              <Image
+                roundedTop={4}
+                objectFit="cover"
+                src="https://images.unsplash.com/photo-1531403009284-440f080d1e12?ixlib=rb-4.0.3&ixid=MnwxMjA3fDB8MHxwaG90by1wYWdlfHx8fGVufDB8fHx8&auto=format&fit=crop&w=250&q=80"
+                alt={v.name}
+              />
+              <CardBody>
+                <LinkOverlay as={Link} href={`/vendors/${v.slug}`} prefetch={false}>
+                  {v.name}
+                </LinkOverlay>
+              </CardBody>
+            </LinkBox>
+          ))}
       </SimpleGrid>
 
-      <Pagination
-        pagesCount={pagesCount}
-        currentPage={currentPage}
-        isDisabled={isDisabled}
-        onPageChange={handlePageChange}
-      >
-        <PaginationContainer align="center" my={4} w={'full'} justifyContent={'space-between'}>
-          <PaginationPrevious>
-            <Text>«</Text>
-          </PaginationPrevious>
-          <PaginationPageGroup align="center" mx={4}>
-            {pages.map((page) => (
-              <PaginationPage
-                w={10}
-                key={`pagination_page_${page}`}
-                page={page}
-                fontSize="sm"
-                _current={{
-                  bg: 'gray.400',
-                }}
-              />
-            ))}
-          </PaginationPageGroup>
-          <PaginationNext>
-            <Text>»</Text>
-          </PaginationNext>
-        </PaginationContainer>
-      </Pagination>
+      <Pagination page={Number(page)} itemsPerPage={PER_PAGE} totalItems={meta.filter_count} />
     </div>
   )
 }