feat: re-add chat

fixes #161

src/lib/chat/MatrixRooms.svelte

@@ -0,0 +1,73 @@
+<script lang="ts">
+  import type { Room } from "matrix-js-sdk";
+  import { matrixClient, currentRoomId } from "./chat";
+
+  let { rooms }: { rooms: Room[] } = $props();
+</script>
+
+<div class="rooms">
+  {#each $matrixClient.getRooms() as room}
+    {@const avatar = room.getMxcAvatarUrl()}
+    <button
+      class:active={$currentRoomId === room.roomId}
+      class="room"
+      onclick={() => ($currentRoomId = room.roomId)}
+    >
+      {#if avatar}
+        <img
+          alt={room.name}
+          src={$matrixClient.mxcUrlToHttp(avatar, 16, 16)}
+          width="16"
+          height="16"
+        />
+      {:else}
+        <div>#</div>
+      {/if}
+      <div>{room.name}</div>
+    </button>
+  {/each}
+
+  {#await $matrixClient.publicRooms()}
+    <div>Loading...</div>
+  {:then rooms}
+    {#each rooms.chunk as room}
+      <button class="room" onclick={() => ($currentRoomId = room.roomId)}>
+        <div>#</div>
+        <div>{room.name}</div>
+      </button>
+    {/each}
+  {:catch error}
+    <div>{error.message}</div>
+  {/await}
+</div>
+
+<style lang="scss">
+  .rooms {
+    display: flex;
+    flex-direction: column;
+    gap: 4px;
+    padding: 8px;
+    padding-left: 0;
+    width: 100%;
+  }
+
+  .room {
+    display: flex;
+    align-items: center;
+    justify-content: flex-start;
+    gap: 0.5rem;
+    cursor: pointer;
+    padding-block: 2px;
+    min-height: 0;
+    height: unset;
+    padding-inline: 16px;
+    padding-block: 4px;
+    border-radius: 8px;
+    width: 100%;
+
+    &.active {
+      background: var(--md-sys-color-primary-container);
+      color: var(--md-sys-color-on-primary-container);
+    }
+  }
+</style>

src/lib/chat/chat-rx.ts

@@ -0,0 +1,109 @@
+import { derived, writable, type Writable } from "svelte/store";
+import type {
+  ClientEvent,
+  LoginResponse,
+  MatrixClient,
+  RoomMember,
+} from "matrix-js-sdk";
+import { persistentWritable } from "$lib/storage";
+import {
+  themeFromSourceColor,
+  argbFromHex,
+  type CustomColorGroup,
+} from "@material/material-color-utilities";
+import type { UserTheme } from "$lib/preferences";
+import { MatrixRx } from "./matrix-rx/client";
+
+export const matrixClient: Writable<MatrixClient> = writable();
+
+export const isLoggedIn: Writable<boolean> = writable(false);
+
+export const matrix = derived(
+  [matrixClient, isLoggedIn],
+  ([matrixClient, isLoggedIn]) =>
+    isLoggedIn ? new MatrixRx(matrixClient) : undefined,
+);
+
+export const currentRoomId = persistentWritable<string | null>(
+  "currentRoomId",
+  null,
+);
+
+function getStoredLogin(): LoginResponse | undefined {
+  try {
+    return JSON.parse(localStorage.getItem("matrix-login")!);
+  } catch {
+    return undefined;
+  }
+}
+
+export function storeLogin(response: LoginResponse) {
+  localStorage.setItem("matrix-login", JSON.stringify(response));
+}
+
+export async function initMatrixClient() {
+  const { createClient, IndexedDBStore, IndexedDBCryptoStore } = await import(
+    "matrix-js-sdk"
+  );
+
+  const storedLogin = getStoredLogin();
+
+  const store = new IndexedDBStore({
+    dbName: "matrix",
+    indexedDB: window.indexedDB,
+  });
+  const cryptoStore = new IndexedDBCryptoStore(
+    window.indexedDB,
+    "matrix-crypto",
+  );
+
+  const client = createClient({
+    baseUrl: import.meta.env.VITE_MATRIX_URL,
+    userId: storedLogin?.user_id,
+    accessToken: storedLogin?.access_token,
+    timelineSupport: true,
+    store,
+    cryptoStore,
+  });
+
+  console.log("store");
+  await store.startup();
+  console.log("cryptoStore");
+  await cryptoStore.startup();
+  console.log("client");
+  await client.startClient();
+  client.once("sync" as ClientEvent.Sync, () => {
+    isLoggedIn.set(client.isLoggedIn());
+  });
+
+  const loginToken = new URLSearchParams(window.location.search).get(
+    "loginToken",
+  );
+  if (loginToken) {
+    storeLogin(await client.loginWithToken(loginToken));
+    window.history.replaceState({}, document.title, window.location.pathname);
+    isLoggedIn.set(client.isLoggedIn());
+  }
+
+  matrixClient.set(client);
+  console.log("done");
+}
+
+export function memberColor(
+  member: RoomMember,
+  theme: UserTheme,
+): CustomColorGroup {
+  let hash = 0;
+  member.userId.split("").forEach((char) => {
+    hash = char.charCodeAt(0) + ((hash << 5) - hash);
+  });
+  let color = "#";
+  for (let i = 0; i < 3; i++) {
+    const value = (hash >> (i * 8)) & 0xff;
+    color += value.toString(16).padStart(2, "0");
+  }
+
+  return themeFromSourceColor(argbFromHex(theme.color), [
+    { value: argbFromHex(color), name: "member", blend: true },
+  ]).customColors.find((c) => c.color.name === "member")!;
+}

src/lib/chat/chat.ts

@@ -1,10 +1,5 @@
-import { derived, writable, type Writable } from "svelte/store";
-import type {
-  ClientEvent,
-  LoginResponse,
-  MatrixClient,
-  RoomMember,
-} from "matrix-js-sdk";
+import { writable, type Writable } from "svelte/store";
+import type { MatrixClient, RoomMember } from "matrix-js-sdk";
 import { persistentWritable } from "$lib/storage";
 import {
   themeFromSourceColor,
@@ -12,83 +7,14 @@ import {
   type CustomColorGroup,
 } from "@material/material-color-utilities";
 import type { UserTheme } from "$lib/preferences";
-import { MatrixRx } from "./matrix-rx/client";
 
 export const matrixClient: Writable<MatrixClient> = writable();
 
-export const isLoggedIn: Writable<boolean> = writable(false);
-
-export const matrix = derived(
-  [matrixClient, isLoggedIn],
-  ([matrixClient, isLoggedIn]) =>
-    isLoggedIn ? new MatrixRx(matrixClient) : undefined,
-);
-
 export const currentRoomId = persistentWritable<string | null>(
   "currentRoomId",
   null,
 );
 
-function getStoredLogin(): LoginResponse | undefined {
-  try {
-    return JSON.parse(localStorage.getItem("matrix-login")!);
-  } catch {
-    return undefined;
-  }
-}
-
-export function storeLogin(response: LoginResponse) {
-  localStorage.setItem("matrix-login", JSON.stringify(response));
-}
-
-export async function initMatrixClient() {
-  const { createClient, IndexedDBStore, IndexedDBCryptoStore } = await import(
-    "matrix-js-sdk"
-  );
-
-  const storedLogin = getStoredLogin();
-
-  const store = new IndexedDBStore({
-    dbName: "matrix",
-    indexedDB: window.indexedDB,
-  });
-  const cryptoStore = new IndexedDBCryptoStore(
-    window.indexedDB,
-    "matrix-crypto",
-  );
-
-  const client = createClient({
-    baseUrl: import.meta.env.VITE_MATRIX_URL,
-    userId: storedLogin?.user_id,
-    accessToken: storedLogin?.access_token,
-    timelineSupport: true,
-    store,
-    cryptoStore,
-  });
-
-  console.log("store");
-  await store.startup();
-  console.log("cryptoStore");
-  await cryptoStore.startup();
-  console.log("client");
-  await client.startClient();
-  client.once("sync" as ClientEvent.Sync, () => {
-    isLoggedIn.set(client.isLoggedIn());
-  });
-
-  const loginToken = new URLSearchParams(window.location.search).get(
-    "loginToken",
-  );
-  if (loginToken) {
-    storeLogin(await client.loginWithToken(loginToken));
-    window.history.replaceState({}, document.title, window.location.pathname);
-    isLoggedIn.set(client.isLoggedIn());
-  }
-
-  matrixClient.set(client);
-  console.log("done");
-}
-
 export function memberColor(
   member: RoomMember,
   theme: UserTheme,