maintage pagination and other state on back button

api/resolvers/user.js

@@ -169,9 +169,7 @@ export default {
         throw new AuthenticationError('you must be logged in')
       }
 
-      await models.user.update({ where: { id: me.id }, data })
-
-      return true
+      return await models.user.update({ where: { id: me.id }, data })
     },
     setWalkthrough: async (parent, { upvotePopover, tipPopover }, { me, models }) => {
       if (!me) {

api/ssrApollo.js

@@ -35,8 +35,20 @@ export default async function getSSRApolloClient (req, me = null) {
 
 export function getGetServerSideProps (query, variables = null, notFoundFunc, requireVar) {
   return async function ({ req, query: params }) {
-    const client = await getSSRApolloClient(req)
-    const vars = { ...params, ...variables }
+    const { nodata, ...realParams } = params
+    const vars = { ...realParams, ...variables }
+
+    // we want to use client-side cache
+    if (nodata && query) {
+      return {
+        props: {
+          apollo: {
+            query: print(query),
+            variables: vars
+          }
+        }
+      }
+    }
 
     if (requireVar && !vars[requireVar]) {
       return {
@@ -44,6 +56,7 @@ export function getGetServerSideProps (query, variables = null, notFoundFunc, re
       }
     }
 
+    const client = await getSSRApolloClient(req)
     let error = null; let data = null; let props = {}
     if (query) {
       ({ error, data } = await client.query({
@@ -60,7 +73,7 @@ export function getGetServerSideProps (query, variables = null, notFoundFunc, re
       props = {
         apollo: {
           query: print(query),
-          variables: { ...params, ...variables }
+          variables: vars
         }
       }
     }

api/typeDefs/user.js

@@ -31,7 +31,7 @@ export default gql`
     setName(name: String!): Boolean
     setSettings(tipDefault: Int!, noteItemSats: Boolean!, noteEarning: Boolean!,
       noteAllDescendants: Boolean!, noteMentions: Boolean!, noteDeposits: Boolean!,
-      noteInvites: Boolean!, noteJobIndicator: Boolean!, hideInvoiceDesc: Boolean!): Boolean
+      noteInvites: Boolean!, noteJobIndicator: Boolean!, hideInvoiceDesc: Boolean!): User
     setPhoto(photoId: ID!): Int!
     upsertBio(bio: String!): User!
     setWalkthrough(tipPopover: Boolean, upvotePopover: Boolean): Boolean

components/user-header.js

@@ -96,9 +96,11 @@ export default function UserHeader ({ user }) {
                   if (error) {
                     throw new Error({ message: error.toString() })
                   }
+
+                  const { nodata, ...query } = router.query
                   router.replace({
                     pathname: router.pathname,
-                    query: { ...router.query, name }
+                    query: { ...query, name }
                   })
 
                   client.writeFragment({

fragments/users.js

@@ -54,9 +54,8 @@ export const ME_SSR = gql`
     }
   }`
 
-export const SETTINGS = gql`
-{
-  settings {
+export const SETTINGS_FIELDS = gql`
+  fragment SettingsFields on User {
     tipDefault
     noteItemSats
     noteEarning
@@ -72,9 +71,31 @@ export const SETTINGS = gql`
       twitter
       github
     }
+  }`
+
+export const SETTINGS = gql`
+${SETTINGS_FIELDS}
+{
+  settings {
+    ...SettingsFields
   }
 }`
 
+export const SET_SETTINGS =
+gql`
+${SETTINGS_FIELDS}
+mutation setSettings($tipDefault: Int!, $noteItemSats: Boolean!, $noteEarning: Boolean!,
+  $noteAllDescendants: Boolean!, $noteMentions: Boolean!, $noteDeposits: Boolean!,
+  $noteInvites: Boolean!, $noteJobIndicator: Boolean!, $hideInvoiceDesc: Boolean!) {
+  setSettings(tipDefault: $tipDefault, noteItemSats: $noteItemSats,
+    noteEarning: $noteEarning, noteAllDescendants: $noteAllDescendants,
+    noteMentions: $noteMentions, noteDeposits: $noteDeposits, noteInvites: $noteInvites,
+    noteJobIndicator: $noteJobIndicator, hideInvoiceDesc: $hideInvoiceDesc) {
+      ...SettingsFields
+    }
+  }
+`
+
 export const NAME_QUERY =
 gql`
   query nameAvailable($name: String!) {
@@ -164,6 +185,11 @@ export const USER_WITH_POSTS = gql`
       cursor
       items {
         ...ItemFields
+        position
+      }
+      pins {
+        ...ItemFields
+         position
       }
     }
   }`

lib/apollo.js

@@ -79,7 +79,7 @@ export default function getApolloClient () {
               }
             },
             notifications: {
-              keyArgs: false,
+              keyArgs: ['inc'],
               merge (existing, incoming) {
                 if (isFirstPage(incoming.cursor, existing?.notifications)) {
                   return incoming

pages/[name]/posts.js

@@ -10,7 +10,7 @@ export const getServerSideProps = getGetServerSideProps(USER_WITH_POSTS)
 
 export default function UserPosts ({ data: { user, items: { items, cursor } } }) {
   const { data } = useQuery(USER_WITH_POSTS,
-    { variables: { name: user.name } })
+    { variables: { name: user.name, sort: 'user' } })
 
   if (data) {
     ({ user, items: { items, cursor } } = data)

pages/_app.js

@@ -1,5 +1,5 @@
 import '../styles/globals.scss'
-import { ApolloProvider, gql } from '@apollo/client'
+import { ApolloProvider, gql, useQuery } from '@apollo/client'
 import { Provider } from 'next-auth/client'
 import { FundErrorModal, FundErrorProvider } from '../components/fund-error'
 import { MeProvider } from '../components/me'
@@ -10,27 +10,64 @@ import getApolloClient from '../lib/apollo'
 import NextNProgress from 'nextjs-progressbar'
 import { PriceProvider } from '../components/price'
 import Head from 'next/head'
+import { useRouter } from 'next/dist/client/router'
+import { useEffect } from 'react'
+import Moon from '../svgs/moon-fill.svg'
+import Layout from '../components/layout'
+
+function CSRWrapper ({ Component, apollo, ...props }) {
+  const { data, error } = useQuery(gql`${apollo.query}`, { variables: apollo.variables, fetchPolicy: 'cache-first' })
+  if (error) {
+    return (
+      <div className='d-flex font-weight-bold justify-content-center mt-3 mb-1'>
+        {error.toString()}
+      </div>
+    )
+  }
+
+  if (!data) {
+    return (
+      <Layout>
+        <div className='d-flex justify-content-center mt-3 mb-1'>
+          <Moon className='spin fill-grey' />
+        </div>
+      </Layout>
+    )
+  }
+
+  return <Component {...props} data={data} />
+}
 
 function MyApp ({ Component, pageProps: { session, ...props } }) {
   const client = getApolloClient()
+  const router = useRouter()
+
+  useEffect(async () => {
+    // HACK: 'cause there's no way to tell Next to skip SSR
+    // So every page load, we modify the route in browser history
+    // to point to the same page but without SSR, ie ?nodata=true
+    // this nodata var will get passed to the server on back/foward and
+    // 1. prevent data from reloading and 2. perserve scroll
+    // (2) is not possible while intercepting nav with beforePopState
+    router.replace({
+      pathname: router.pathname,
+      query: { ...router.query, nodata: true }
+    }, router.asPath, { ...router.options, scroll: false })
+  }, [router.asPath])
 
   /*
     If we are on the client, we populate the apollo cache with the
     ssr data
   */
-  if (typeof window !== 'undefined') {
-    const { apollo, data } = props
-    if (apollo) {
-      client.writeQuery({
-        query: gql`${apollo.query}`,
-        data: data,
-        variables: apollo.variables
-      })
-    }
+  const { apollo, data, me, price } = props
+  if (typeof window !== 'undefined' && apollo && data) {
+    client.writeQuery({
+      query: gql`${apollo.query}`,
+      data: data,
+      variables: apollo.variables
+    })
   }
 
-  const { me, price } = props
-
   return (
     <>
       <NextNProgress
@@ -54,7 +91,9 @@ function MyApp ({ Component, pageProps: { session, ...props } }) {
                     <FundErrorModal />
                     <ItemActProvider>
                       <ItemActModal />
-                      <Component {...props} />
+                      {data || !apollo?.query
+                        ? <Component {...props} />
+                        : <CSRWrapper Component={Component} {...props} />}
                     </ItemActProvider>
                   </FundErrorProvider>
                 </LightningProvider>

pages/settings.js

@@ -9,7 +9,7 @@ import LoginButton from '../components/login-button'
 import { signIn } from 'next-auth/client'
 import ModalButton from '../components/modal-button'
 import { LightningAuth } from '../components/lightning-auth'
-import { SETTINGS } from '../fragments/users'
+import { SETTINGS, SET_SETTINGS } from '../fragments/users'
 import { useRouter } from 'next/router'
 import Info from '../components/info'
 
@@ -28,16 +28,18 @@ export const WarningSchema = Yup.object({
 
 export default function Settings ({ data: { settings } }) {
   const [success, setSuccess] = useState()
-  const [setSettings] = useMutation(
-    gql`
-      mutation setSettings($tipDefault: Int!, $noteItemSats: Boolean!, $noteEarning: Boolean!,
-        $noteAllDescendants: Boolean!, $noteMentions: Boolean!, $noteDeposits: Boolean!,
-        $noteInvites: Boolean!, $noteJobIndicator: Boolean!, $hideInvoiceDesc: Boolean!) {
-        setSettings(tipDefault: $tipDefault, noteItemSats: $noteItemSats,
-          noteEarning: $noteEarning, noteAllDescendants: $noteAllDescendants,
-          noteMentions: $noteMentions, noteDeposits: $noteDeposits, noteInvites: $noteInvites,
-          noteJobIndicator: $noteJobIndicator, hideInvoiceDesc: $hideInvoiceDesc)
-      }`
+  const [setSettings] = useMutation(SET_SETTINGS, {
+    update (cache, { data: { setSettings } }) {
+      cache.modify({
+        id: 'ROOT_QUERY',
+        fields: {
+          settings () {
+            return setSettings
+          }
+        }
+      })
+    }
+  }
   )
 
   const { data } = useQuery(SETTINGS)