seen user db

package.json

@@ -16,6 +16,8 @@
     "@types/webscopeio__react-textarea-autocomplete": "^4.7.2",
     "@webscopeio/react-textarea-autocomplete": "^4.9.2",
     "bech32": "^2.0.0",
+    "dexie": "^3.2.2",
+    "dexie-react-hooks": "^1.1.1",
     "light-bolt11-decoder": "^2.1.0",
     "qr-code-styling": "^1.6.0-rc.1",
     "react": "^18.2.0",

src/db.ts

@@ -0,0 +1,16 @@
+import Dexie, { Table } from 'dexie';
+
+import type { User } from './nostr/types';
+
+export class MySubClassedDexie extends Dexie {
+  users!: Table<User>;
+
+  constructor() {
+    super('snortDB');
+    this.version(1).stores({
+      users: '++pubkey, name, display_name, about, nip05' // Primary key and indexed props
+    });
+  }
+}
+
+export const db = new MySubClassedDexie();

src/element/Textarea.tsx

@@ -1,4 +1,5 @@
-import { Component } from "react";
+import { useSelector } from "react-redux";
+import { useLiveQuery } from "dexie-react-hooks";
 
 import ReactTextareaAutocomplete from "@webscopeio/react-textarea-autocomplete";
 
@@ -11,10 +12,11 @@ import Nostrich from "../nostrich.jpg";
 // @ts-expect-error
 import { hexToBech32 } from "../Util";
 import type { User } from "../nostr/types";
+import { db } from "../db";
 
-function searchUsers(query: string, users: Record<string, User>) {
+function searchUsers(query: string, users: User[]) {
   const q = query.toLowerCase()
-  return Object.values(users).filter(({ name, display_name, about, nip05 }) => {
+  return users.filter(({ name, display_name, about, nip05 }: User) => {
     return name?.toLowerCase().includes(q)
       || display_name?.toLowerCase().includes(q)
       || about?.toLowerCase().includes(q)
@@ -37,24 +39,33 @@ const UserItem = ({ pubkey, display_name, picture, nip05, ...rest }: User) => {
   )
 }
 
-export default class Textarea extends Component {
-  render() {
+function normalizeUser({ pubkey, about, nip05, name, display_name }: User) {
+  return { pubkey, about, nip05, name, display_name }
+}
+
+const Textarea = ({ onChange, ...rest }: any) => {
     // @ts-expect-error
-    const { users, onChange, ...rest } = this.props
+    const { users } = useSelector(s => s.users)
+    const dbUsers = useLiveQuery(
+      () => db.users.toArray().then(usrs => {
+        return usrs.reduce((acc, usr) => {
+          return { ...acc, [usr.pubkey]: normalizeUser(usr)}
+        }, {})
+      })
+    )
+    const cachedUsers = dbUsers ? dbUsers : {}
+    const allUsers: User[] = Object.values({...cachedUsers, ...users})
+
     return (
         <ReactTextareaAutocomplete
           {...rest}
           loadingComponent={() => <span>Loading....</span>}
           placeholder="Say something!"
-          ref={rta => {
-            // @ts-expect-error
-            this.rta = rta;
-          }}
           onChange={onChange}
           trigger={{
              "@": {
                afterWhitespace: true,
-               dataProvider: token => searchUsers(token, users),
+               dataProvider: token => dbUsers ? searchUsers(token, allUsers) : [],
                component: (props: any) => <UserItem {...props.entity} />,
                output: (item: any) => `@${hexToBech32("npub", item.pubkey)}`
              }
@@ -62,4 +73,5 @@ export default class Textarea extends Component {
         />
     )
 }
-}
+
+export default Textarea

src/feed/LoginFeed.js

@@ -4,6 +4,7 @@ import EventKind from "../nostr/EventKind";
 import { Subscriptions } from "../nostr/Subscriptions";
 import { addDirectMessage, addNotifications, setFollows, setRelays } from "../state/Login";
 import { setUserData } from "../state/Users";
+import { db } from "../db";
 import useSubscription from "./Subscription";
 import { mapEventToProfile } from "./UsersFeed";
 
@@ -41,7 +42,8 @@ export default function useLoginFeed() {
     useEffect(() => {
         let contactList = notes.filter(a => a.kind === EventKind.ContactList);
         let notifications = notes.filter(a => a.kind === EventKind.TextNote);
-        let metadata = notes.filter(a => a.kind === EventKind.SetMetadata).map(a => mapEventToProfile(a));
+        let metadata = notes.filter(a => a.kind === EventKind.SetMetadata)
+        let profiles = metadata.map(a => mapEventToProfile(a));
         let dms = notes.filter(a => a.kind === EventKind.DirectMessage);
 
         for (let cl of contactList) {
@@ -60,7 +62,11 @@ export default function useLoginFeed() {
             }
         }
         dispatch(addNotifications(notifications));
-        dispatch(setUserData(metadata));
+        dispatch(setUserData(profiles));
+        const userMetadata = metadata.map(ev => {
+          return {...JSON.parse(ev.content), pubkey: ev.pubkey }
+        })
+        db.users.bulkPut(metadata);
         dispatch(addDirectMessage(dms));
     }, [notes]);
 }

src/feed/UsersFeed.js

@@ -2,6 +2,7 @@ import { useEffect, useMemo } from "react";
 import { useDispatch, useSelector } from "react-redux";
 import { ProfileCacheExpire } from "../Const";
 import EventKind from "../nostr/EventKind";
+import { db } from "../db";
 import { Subscriptions } from "../nostr/Subscriptions";
 import { setUserData } from "../state/Users";
 import useSubscription from "./Subscription";
@@ -34,7 +35,12 @@ export default function useUsersCache() {
     const results = useSubscription(sub);
 
     useEffect(() => {
-        dispatch(setUserData(results.notes.map(a => mapEventToProfile(a))));
+        const userData = results.notes.map(a => mapEventToProfile(a));
+        dispatch(setUserData(userData));
+        const profiles = results.notes.map(ev => {
+          return {...JSON.parse(ev.content), pubkey: ev.pubkey }
+        });
+        db.users.bulkPut(profiles);
     }, [results]);
 
     return results;

src/nostr/types.tsx

@@ -1,4 +1,4 @@
-export type User = {
+export interface User {
   name?: string
   about?: string
   display_name?: string

src/state/Users.js

@@ -1,5 +1,6 @@
 import { createSlice } from '@reduxjs/toolkit'
 import { ProfileCacheExpire } from '../Const';
+import { db } from '../db';
 
 const UsersSlice = createSlice({
     name: "Users",
@@ -67,6 +68,14 @@ const UsersSlice = createSlice({
                     };
                 }
                 state.users[x.pubkey] = x;
+                db.users.put({
+                  pubkey: x.pubkey,
+                  name: x.name,
+                  display_name: x.display_name,
+                  nip05: x.nip05,
+                  picture: x.picture,
+                  about: x.about,
+                })
                 window.localStorage.setItem(`user:${x.pubkey}`, JSON.stringify(x));
 
                 state.users = {

yarn.lock

@@ -3704,6 +3704,16 @@ detective@^5.2.1:
     defined "^1.0.0"
     minimist "^1.2.6"
 
+dexie-react-hooks@^1.1.1:
+  version "1.1.1"
+  resolved "https://registry.yarnpkg.com/dexie-react-hooks/-/dexie-react-hooks-1.1.1.tgz#ff405cc89e5d899ddbac5e40d593f83f9a74106a"
+  integrity sha512-Cam5JP6PxHN564RvWEoe8cqLhosW0O4CAZ9XEVYeGHJBa6KEJlOpd9CUpV3kmU9dm2MrW97/lk7qkf1xpij7gA==
+
+dexie@^3.2.2:
+  version "3.2.2"
+  resolved "https://registry.yarnpkg.com/dexie/-/dexie-3.2.2.tgz#fa6f2a3c0d6ed0766f8d97a03720056f88fe0e01"
+  integrity sha512-q5dC3HPmir2DERlX+toCBbHQXW5MsyrFqPFcovkH9N2S/UW/H3H5AWAB6iEOExeraAu+j+zRDG+zg/D7YhH0qg==
+
 didyoumean@^1.2.2:
   version "1.2.2"
   resolved "https://registry.yarnpkg.com/didyoumean/-/didyoumean-1.2.2.tgz#989346ffe9e839b4555ecf5666edea0d3e8ad037"