133 lines
3.6 KiB
JavaScript
133 lines
3.6 KiB
JavaScript
import { ApolloClient, InMemoryCache } from '@apollo/client'
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import { SchemaLink } from '@apollo/client/link/schema'
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import { makeExecutableSchema } from '@graphql-tools/schema'
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import resolvers from './resolvers'
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import typeDefs from './typeDefs'
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import models from './models'
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import { print } from 'graphql'
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import lnd from './lnd'
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import search from './search'
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import { ME } from '../fragments/users'
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import { PRICE } from '../fragments/price'
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import { BLOCK_HEIGHT } from '../fragments/blockHeight'
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import { getServerSession } from 'next-auth/next'
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import { getAuthOptions } from '../pages/api/auth/[...nextauth]'
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export default async function getSSRApolloClient ({ req, res, me = null }) {
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const session = req && await getServerSession(req, res, getAuthOptions(req))
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const client = new ApolloClient({
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ssrMode: true,
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link: new SchemaLink({
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schema: makeExecutableSchema({
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typeDefs,
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resolvers
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}),
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context: {
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models,
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me: session
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? session.user
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: me,
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lnd,
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search
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}
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}),
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cache: new InMemoryCache({
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freezeResults: true
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}),
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assumeImmutableResults: true,
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defaultOptions: {
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watchQuery: {
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fetchPolicy: 'no-cache',
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nextFetchPolicy: 'no-cache',
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canonizeResults: true,
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ssr: true
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},
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query: {
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fetchPolicy: 'no-cache',
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nextFetchPolicy: 'no-cache',
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canonizeResults: true,
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ssr: true
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}
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}
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})
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return client
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}
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/**
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* Takes a query and variables and returns a getServerSideProps function
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*
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* @param opts Options
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* @param opts.query graphql query or function that return graphql query
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* @param opts.variables graphql variables or function that return graphql variables
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* @param opts.notFound function that tests data to determine if 404
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* @param opts.authRequired boolean that determines if auth is required
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*/
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export function getGetServerSideProps (
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{ query: queryOrFunc, variables: varsOrFunc, notFound, authRequired }) {
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return async function ({ req, res, query: params }) {
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const { nodata, ...realParams } = params
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// we want to use client-side cache
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if (nodata) return { props: { } }
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const variables = typeof varsOrFunc === 'function' ? varsOrFunc(realParams) : varsOrFunc
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const vars = { ...realParams, ...variables }
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const query = typeof queryOrFunc === 'function' ? queryOrFunc(vars) : queryOrFunc
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const client = await getSSRApolloClient({ req, res })
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const { data: { me } } = await client.query({ query: ME })
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if (authRequired && !me) {
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const callback = process.env.PUBLIC_URL + req.url
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return {
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redirect: {
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destination: `/login?callbackUrl=${encodeURIComponent(callback)}`
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}
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}
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}
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const { data: { price } } = await client.query({
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query: PRICE, variables: { fiatCurrency: me?.fiatCurrency }
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})
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const { data: { blockHeight } } = await client.query({
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query: BLOCK_HEIGHT, variables: {}
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})
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let error = null; let data = null; let props = {}
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if (query) {
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try {
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({ error, data } = await client.query({
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query,
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variables: vars
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}))
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} catch (e) {
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console.error(e)
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}
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if (error || !data || (notFound && notFound(data, vars))) {
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return {
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notFound: true
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}
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}
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props = {
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apollo: {
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query: print(query),
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variables: vars
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}
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}
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}
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return {
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props: {
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...props,
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me,
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price,
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blockHeight,
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ssrData: data
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}
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}
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}
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}
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