PR changes

src/Feed/TimelineFeed.ts

@@ -48,7 +48,7 @@ export default function useTimelineFeed(subject: TimelineSubject, options: Timel
                 break;
             }
             case "keyword": {
-                sub.Keywords = new Set(subject.items);
+                sub.Search = subject.items[0];
                 break;
             }
         }
@@ -76,7 +76,7 @@ export default function useTimelineFeed(subject: TimelineSubject, options: Timel
                 latestSub.Authors = sub.Authors;
                 latestSub.HashTags = sub.HashTags;
                 latestSub.Kinds = sub.Kinds;
-                latestSub.Keywords = sub.Keywords;
+                latestSub.Search = sub.Search;
                 latestSub.Limit = 1;
                 latestSub.Since = Math.floor(new Date().getTime() / 1000);
                 sub.AddSubscription(latestSub);
@@ -128,7 +128,7 @@ export default function useTimelineFeed(subject: TimelineSubject, options: Timel
         if (main.store.notes.length > 0) {
             setTrackingEvent(s => {
                 let ids = main.store.notes.map(a => a.id);
-                if(ids.some(a => !s.includes(a))) {
+                if (ids.some(a => !s.includes(a))) {
                     return Array.from(new Set([...s, ...ids]));
                 }
                 return s;

src/Nostr/Connection.ts

@@ -7,6 +7,7 @@ import { DefaultConnectTimeout } from "Const";
 import { ConnectionStats } from "Nostr/ConnectionStats";
 import { RawEvent, TaggedRawEvent, u256 } from "Nostr";
 import { RelayInfo } from "./RelayInfo";
+import Nips from "./Nips";
 
 export type CustomHook = (state: Readonly<StateSnapshot>) => void;
 
@@ -238,6 +239,11 @@ export default class Connection {
             return;
         }
 
+        // check relay supports search
+        if (sub.Search && !this.SupportsNip(Nips.Search)) {
+            return;
+        }
+
         if (this.Subscriptions.has(sub.Id)) {
             return;
         }
@@ -281,6 +287,13 @@ export default class Connection {
         return this.LastState;
     }
 
+    /**
+     * Using relay document to determine if this relay supports a feature
+     */
+    SupportsNip(n: number) {
+        return this.Info?.supported_nips?.some(a => a === n) ?? false;
+    }
+
     _UpdateState() {
         this.CurrentState.connected = this.Socket?.readyState === WebSocket.OPEN;
         this.CurrentState.events.received = this.Stats.EventsReceived;

src/Nostr/Nips.ts

@@ -0,0 +1,5 @@
+enum Nips {
+    Search = 50
+}
+
+export default Nips;

src/Nostr/Subscriptions.ts

@@ -43,9 +43,9 @@ export class Subscriptions {
     HashTags?: Set<string>;
 
     /**
-     * A list of keywords to search
+     * A list of search terms
      */
-    Keywords?: Set<string>;
+    Search?: string;
 
     /** 
      * a timestamp, events must be newer than this to pass
@@ -94,7 +94,7 @@ export class Subscriptions {
         this.Kinds = sub?.kinds ? new Set(sub.kinds) : undefined;
         this.ETags = sub?.["#e"] ? new Set(sub["#e"]) : undefined;
         this.PTags = sub?.["#p"] ? new Set(sub["#p"]) : undefined;
-        this.Keywords = sub?.keywords ? new Set(sub.keywords) : undefined;
+        this.Search = sub?.search ?? undefined;
         this.Since = sub?.since ?? undefined;
         this.Until = sub?.until ?? undefined;
         this.Limit = sub?.limit ?? undefined;
@@ -139,8 +139,8 @@ export class Subscriptions {
         if(this.HashTags) {
             ret["#t"] = Array.from(this.HashTags);
         }
-        if (this.Keywords) {
-            ret.keywords = Array.from(this.Keywords);
+        if (this.Search) {
+            ret.search = this.Search;
         }
         if (this.Since !== null) {
             ret.since = this.Since;

src/Nostr/System.ts

@@ -1,7 +1,7 @@
 import { HexKey, TaggedRawEvent } from "Nostr";
 import { getDb } from "State/Users/Db";
-import { ProfileCacheExpire, SearchRelays } from "Const";
-import { mapEventToProfile, MetadataCache } from "Db/User";
+import { ProfileCacheExpire } from "Const";
+import { mapEventToProfile, MetadataCache } from "State/Users";
 import Connection, { RelaySettings } from "Nostr/Connection";
 import Event from "Nostr/Event";
 import EventKind from "Nostr/EventKind";
@@ -48,8 +48,7 @@ export class NostrSystem {
                 let c = new Connection(address, options);
                 this.Sockets.set(address, c);
                 for (let [_, s] of this.Subscriptions) {
-                    if (!s.Keywords || SearchRelays.has(address))
-                        c.AddSubscription(s);
+                    c.AddSubscription(s);
                 }
             } else {
                 // update settings if already connected
@@ -73,16 +72,14 @@ export class NostrSystem {
 
     AddSubscription(sub: Subscriptions) {
         for (let [a, s] of this.Sockets) {
-            if (!sub.Keywords || SearchRelays.has(a))
-                s.AddSubscription(sub);
+            s.AddSubscription(sub);
         }
         this.Subscriptions.set(sub.Id, sub);
     }
 
     RemoveSubscription(subId: string) {
         for (let [a, s] of this.Sockets) {
-            if (!this.Subscriptions.get(subId)?.Keywords || SearchRelays.has(a))
-                s.RemoveSubscription(subId);
+            s.RemoveSubscription(subId);
         }
         this.Subscriptions.delete(subId);
     }

src/Nostr/index.ts

@@ -35,7 +35,7 @@ export type RawReqFilter = {
     "#e"?: u256[],
     "#p"?: u256[],
     "#t"?: string[],
-    keywords?: u256[],
+    search?: string,
     since?: number,
     until?: number,
     limit?: number

src/Pages/Layout.tsx

@@ -2,7 +2,7 @@ import "./Layout.css";
 import { useEffect, useState } from "react"
 import { useDispatch, useSelector } from "react-redux";
 import { Outlet, useNavigate } from "react-router-dom";
-import { faBell, faMessage } from "@fortawesome/free-solid-svg-icons";
+import { faBell, faMessage, faSearch } from "@fortawesome/free-solid-svg-icons";
 import { FontAwesomeIcon } from "@fortawesome/react-fontawesome";
 
 import { RootState } from "State/Store";
@@ -41,11 +41,6 @@ export default function Layout() {
                 }
             }
         }
-	for (let [k, v] of SearchRelays) {
-            if (!System.Sockets.has(k)) {
-                System.ConnectToRelay(k, v);
-            }
-        }
     }, [relays]);
 
     function setTheme(theme: "light" | "dark") {
@@ -114,21 +109,14 @@ export default function Layout() {
     if (typeof isInit !== "boolean") {
         return null;
     }
-
-    async function search() {
-        if (keyword)
-            navigate(`/search/${encodeURIComponent(keyword)}/`);
-    }
-
     return (
         <div className="page">
             <div className="header">
                 <div className="logo" onClick={() => navigate("/")}>snort</div>
-		<div className="search">
-                        <input type="text" placeholder="Search..." value={keyword} onChange={(e) => setKeyword(e.target.value)} onKeyPress={(e) => { if (e.key === 'Enter') search() } }/>
-			<div className="btn" onClick={() => search()}>&#128269;</div>
-		</div>
                 <div>
+                    <div className={`btn btn-rnd mr10`} onClick={(e) => navigate("/search")}>
+                        <FontAwesomeIcon icon={faSearch} size="xl" />
+                    </div>
                     {key ? accountHeader() :
                         <div className="btn" onClick={() => navigate("/login")}>Login</div>
                     }

src/Pages/SearchPage.tsx

@@ -1,14 +1,49 @@
 import { useParams } from "react-router-dom";
 import Timeline from "Element/Timeline";
+import { useEffect, useState } from "react";
+import { debounce } from "Util";
+import { router } from "index";
+import { SearchRelays } from "Const";
+import { System } from "Nostr/System";
 
 const SearchPage = () => {
-    const params = useParams();
-    const keyword = params.keyword!.toLowerCase();
+    const params: any = useParams();
+    const [search, setSearch] = useState<string>();
+    const [keyword, setKeyword] = useState<string | undefined>(params.keyword);
+
+    useEffect(() => {
+        if (keyword) {
+            // "navigate" changing only url
+            router.navigate(`/search/${encodeURIComponent(keyword)}`)
+        }
+    }, [keyword]);
+
+    useEffect(() => {
+        return debounce(500, () => setKeyword(search));
+    }, [search]);
+
+    useEffect(() => {
+        let addedRelays: string[] = [];
+        for (let [k, v] of SearchRelays) {
+            if (!System.Sockets.has(k)) {
+                System.ConnectToRelay(k, v);
+                addedRelays.push(k);
+            }
+        }
+        return () => {
+            for (let r of addedRelays) {
+                System.DisconnectRelay(r);
+            }
+        }
+    }, []);
 
     return (
         <>
-            <h2>Search results for: {keyword}</h2>
-            <Timeline key={keyword} subject={{ type: "keyword", items: [keyword] }} postsOnly={false} method={"LIMIT_UNTIL"} />
+            <h2>Search</h2>
+            <div className="flex mb10">
+                <input type="text" className="f-grow mr10" placeholder="Search.." value={search} onChange={e => setSearch(e.target.value)} />
+            </div>
+            {keyword && <Timeline key={keyword} subject={{ type: "keyword", items: [keyword] }} postsOnly={false} method={"LIMIT_UNTIL"} />}
         </>
     )
 }

src/index.tsx

@@ -36,7 +36,7 @@ const HTTP = new QueryClient()
 
 serviceWorkerRegistration.register();
 
-const router = createBrowserRouter([
+export const router = createBrowserRouter([
   {
     element: <Layout />,
     errorElement: <ErrorPage />,
@@ -91,7 +91,7 @@ const router = createBrowserRouter([
         element: <HashTagsPage />
       },
       {
-        path: "/search/:keyword",
+        path: "/search/:keyword?",
         element: <SearchPage />
       }
     ]