5.3 Next.js Building a Car Trader App #5- Pagination with filters for the list of cars

Lấy dữ liệu phân trang :))

C:\Users\Administrator\Desktop\pro\pages\index.tsx

import React, { useState, useEffect } from 'react';
import { Paper, Select, MenuItem, FormControl, InputLabel, makeStyles, Grid, Button } from '@material-ui/core';
import { Field, Form, Formik, FormikProps, useField, useFormikContext } from 'formik';
import { GetServerSideProps } from 'next';
import router, { useRouter } from 'next/router';
import useSWR from 'swr';
import { getMakes, Make } from './database/getMakes';
import { getModels, Model } from './database/getModels';
import  getAsString  from '../getAsString';
interface HomeProps {
  makes: Make[],
    models: Model[],
}
const useStyles = makeStyles((theme) => ({
  paper: {
    margin: 'auto',
    maxWidth: 500,
    padding: theme.spacing(3),
  }
}));
const ModelSelect = ({ make, ...props }) => {
  const { data: newModels } = useSWR < Model[] > ('/api/models?make=' + make);
  if (!newModels) return 'loading...';
  return (
    <Field as={Select} labelId="model" label="Model" name="model">
      <MenuItem value='all'>Model</MenuItem>
      {
        newModels.map((model)=>(
          <MenuItem value={model.model} key={model.model}>{`${model.model} (${model.count})`}</MenuItem>
        ))
      }
    </Field>
  )
}
const prices = [500, 1000, 5000, 15000, 25000, 50000, 250000];
export default function Home({ makes, models }: HomeProps) {
  const classes = useStyles();
  const { query } = useRouter();
  const [initialValues] = useState({
    make: getAsString(query.make) || 'all',
    model: getAsString(query.model) || 'all',
    minPrice: getAsString(query.minPrice) || 'all',
    maxPrice: getAsString(query.maxPrice) || 'all',
  });
  return (
    <Formik
      initialValues={initialValues}
      onSubmit={(values) => {
        router.push({
          pathname: '/cars',
          query: { ...values, page: 1 }
        })
      }}
    >
    {({values}) => (
      <Form 
        className={classes.paper} 
        variant="outlined"
      >
        <Paper>
          <Grid container spacing={2}>
            <Grid item xs={6}>
              <FormControl fullWidth variant='outlined'>
                <InputLabel id="make">Make</InputLabel>
                <Field as={Select} labelId="make" label="Make" name="make">
                  <MenuItem value='all'>All Make</MenuItem>
                  {
                    makes && makes.map((make)=>(
                      <MenuItem value={make.make} key={make.make}>{`${make.make} (${make.count})`}</MenuItem>
                    ))
                  }
                </Field>
              </FormControl>
            </Grid>
            <Grid item xs={6}>
              <FormControl fullWidth variant='outlined'>
                <InputLabel id="model">Model</InputLabel>
                <ModelSelect models={models} name="model" make={values.make} />
              </FormControl>
            </Grid>
            <Grid item xs={6}>
              <FormControl fullWidth variant='outlined'>
                <InputLabel id="minPrice">Min Price</InputLabel>
                <Field as={Select} labelId="minPrice" label="Min Price" name="minPrice">
                <MenuItem value='all'>No Min</MenuItem>
                {
                  prices.map((price)=> (
                    <MenuItem key={price} value={price}>{price}</MenuItem>
                  ))
                }
                </Field>
              </FormControl>
            </Grid>
            <Grid item xs={6}>
              <FormControl fullWidth variant='outlined'>
                <InputLabel id="maxPrice">Max Price</InputLabel>
                <Field as={Select} labelId="maxPrice" label="Max Price" name="maxPrice">
                  <MenuItem value='all'>No Max</MenuItem>
                  {
                    prices.map((price)=> (
                      <MenuItem key={price} value={price}>{price}</MenuItem>
                    ))
                  }
                </Field>
              </FormControl>
            </Grid>
            <Grid item xs={12}>
              <Button type="submit" variant="contained" color="primary" fullWidth>Search</Button>
            </Grid>
          </Grid>
        </Paper>
      </Form>  
    )}
    </Formik>
  )
}
export const getServerSideProps: GetServerSideProps = async (ctx) => {
  const { make } = ctx.query;
  const [makes, models] = await Promise.all([getMakes(), getModels(make)]);
  return {
    props: { makes, models }
  }
}

C:\Users\Administrator\Desktop\pro\pages\cars.tsx

import { Grid, Card, CardHeader, Avatar, IconButton, CardMedia, Typography, makeStyles } from '@material-ui/core';
import MoreVertIcon from '@material-ui/icons/MoreVert';
import CardContent from '@material-ui/core/CardContent';
import deepEqual from 'fast-deep-equal';
import { GetServerSideProps } from 'next';
import { useRouter } from 'next/router';
import { stringify } from 'querystring';
import { useState } from 'react';
import useSWR from 'swr';
import Search from '.';
import { CarModel } from './api/Car';
import Link from 'next/link';
import Pagination from '@material-ui/lab/Pagination';
import { getMakes, Make } from './database/getMakes';
import { getModels, Model } from './database/getModels';
import  getPaginatedCars  from './database/getPaginatedCars';
import  getAsString  from '../getAsString';
export interface CarsListProps {
  makes: Make[];
  models: Model[];
  cars: CarModel[];
  totalPages: number;
}
const useStyles = makeStyles((theme) => ({
  media: {
    height: 0,
    paddingTop: '56.25%', // 16:9
  },
  expand: {
    transform: 'rotate(0deg)',
    marginLeft: 'auto',
    transition: theme.transitions.create('transform', {
      duration: theme.transitions.duration.shortest,
    }),
  },
  expandOpen: {
    transform: 'rotate(180deg)',
  },
  avatar: {
    backgroundColor: 'red',
  },
  achorTag: {
      textDecoration: 'none'
  }
}));
export default function CarsList({makes, models, cars, totalPages }:CarsListProps) {
  const classes = useStyles();
  const { query } = useRouter();
  const [serverQuery] = useState(query);
  const { data } = useSWR('/api/cars?' + stringify(query), {
    dedupingInterval: 15000,
    initialData: deepEqual(query, serverQuery) ? { cars, totalPages } : undefined
  });
  return (
    <Grid container spacing={3}>
      <Grid item xs={12} sm={5} md={3} lg={2}>
        <Search makes={makes} models={models} />
      </Grid>
      <Grid container item xs={12} sm={7} md={9} lg={10} spacing={3}>
        <Grid item xs={12}>
          <Pagination count={10} />
        </Grid>
          <Grid  item xs={12} sm={6}>
            <Link
              href="#"
              as={null}
            >
              <a className={classes.achorTag}>
                <Card>
                  <CardHeader
                    avatar={
                      <Avatar aria-label="recipe" className={classes.avatar}>
                        R
                      </Avatar>
                    }
                    action={
                      <IconButton aria-label="settings">
                        <MoreVertIcon />
                      </IconButton>
                    }
                    title={'car.mode'}
                    subheader={5}
                  />
                  <CardMedia
                    className={classes.media}
                    image='https://thumbs.dreamstime.com/z/imge-mint-image-green-leaves-79631310.jpg'
                    title='aaaaaaaaaa'
                  />
                  <CardContent>
                    <Typography variant="body2" color="textSecondary" component="p">
                      {'car.details'}
                    </Typography>
                  </CardContent>
                </Card>
              </a>
            </Link>
          </Grid>
        <Grid item xs={12}>
          <Pagination count={10} />
        </Grid>
      </Grid>
    </Grid>
  );
}
export const getServerSideProps: GetServerSideProps<CarsListProps> = async (ctx) => {
  const make = getAsString(ctx.query.make);
  const [makes, models, pagination] = await Promise.all([getMakes(),getModels(make),getPaginatedCars(ctx.query)]);
  console.log(pagination);
  return {
    props: {makes, models}
  }
}