Get users

src/app/app.ts

@@ -165,14 +165,30 @@ export default class Enclave<P = Page> {
         return;
 
       case "Messages":
-        Object.entries(msg.messages).forEach(([channelId, messages]) => {
+        const authors = Object.entries(msg.messages).flatMap(
+          ([channelId, messages]) => {
             if (!server.messages[channelId]) {
               server.messages[channelId] = {};
             }
 
-          messages.forEach((message) => {
+            return messages.map((message) => {
               server.messages[channelId][message.id] = message;
+              return message.author;
             });
+          },
+        );
+
+        const dedupedAuthors = Array.from(new Set(authors));
+
+        this.server?.getUsers(dedupedAuthors);
+
+        this.forceRender();
+
+        return;
+
+      case "Users":
+        Object.entries(msg.users).forEach(([pubKey, user]) => {
+          server.users[pubKey] = user;
         });
 
         this.forceRender();

src/app/protocol.ts

@@ -15,6 +15,10 @@ export type ClientMethod =
   | {
       method: "Messages";
       messages: Record<string, StoredMessage[]>;
+    }
+  | {
+      method: "Users";
+      users: Record<string, ClientMeta>;
     };
 
 export type ServerMethod =
@@ -41,4 +45,8 @@ export type ServerMethod =
       method: "GetMessages";
       channel_id: string;
       chunk: number;
+    }
+  | {
+      method: "GetUsers";
+      pubkeys: string[];
     };

src/app/server.ts

@@ -3,7 +3,7 @@ import * as ed from "@noble/ed25519";
 import EnclaveWebSocket from "./ws";
 import { sha512 } from "@noble/hashes/sha2.js";
 import { getWSUrl } from "@/lib/serverList";
-import { ServerMeta, StoredMessage } from "@/lib/types";
+import { ClientMeta, ServerMeta, StoredMessage } from "@/lib/types";
 
 ed.hashes.sha512 = sha512;
 
@@ -30,11 +30,13 @@ export default class EnclaveServer {
   public websocket?: EnclaveWebSocket;
   public meta?: ServerMeta;
   public messages: Record<string, Record<string, StoredMessage>>;
+  public users: Record<string, ClientMeta | null>;
 
   public constructor(hostname: string, isSecure: boolean) {
     this.hostname = hostname;
     this.isSecure = isSecure;
     this.messages = {};
+    this.users = {};
   }
 
   public disconnect() {
@@ -94,4 +96,14 @@ export default class EnclaveServer {
       throw Error("Invalid signature");
     }
   }
+
+  public getUsers(pubkeys: string[]) {
+    const filteredPubkeys = pubkeys.filter((pubkey) => {
+      const exists = this.users[pubkey] !== undefined;
+      if (!exists) this.users[pubkey] = null;
+      return !exists;
+    });
+
+    this.websocket?.send({ method: "GetUsers", pubkeys: filteredPubkeys });
+  }
 }