Working export/import

Reviewed-on: #4

ddln_cli/dev.sh

@@ -0,0 +1,28 @@
+#!/bin/bash
+user_data_dir="${1:-./profile}"
+user_id="${2:-b38b623c-c3fa-4351-9cab-50233c99fa4e}"
+
+"/Applications/Google Chrome.app/Contents/MacOS/Google Chrome" \
+    --disable-setuid-sandbox \
+    --disable-infobars \
+    --no-first-run \
+    --hide-scrollbars \
+    --disable-notifications \
+    --disable-background-timer-throttling \
+    --disable-backgrounding-occluded-windows \
+    --disable-breakpad \
+    --disable-component-extensions-with-background-pages \
+    --disable-extensions \
+    --disable-features=TranslateUI,BlinkGenPropertyTrees \
+    --disable-ipc-flooding-protection \
+    --disable-renderer-backgrounding \
+    --enable-features=NetworkService,NetworkServiceInProcess \
+    --force-color-profile=srgb \
+    --metrics-recording-only \
+    --mute-audio \
+    --disable-gpu \
+    --repl --headless \
+    --user-data-dir="$user_data_dir" \
+    --remote-debugging-port=9332 \
+    --enable-logging=stderr \
+    "https://localhost:8443/connect/$user_id?bootstrap"

deno.json

@@ -0,0 +1,7 @@
+{
+  "tasks": {
+    "build": "deno run -A npm:typescript/bin/tsc",
+    "watch": "deno run -A npm:typescript/bin/tsc --watch",
+    "test": "deno test --allow-net src/App.test.ts"
+  }
+}

deno.lock

@@ -0,0 +1,99 @@
+{
+  "version": "5",
+  "specifiers": {
+    "jsr:@deno-library/compress@*": "0.5.6",
+    "jsr:@deno-library/crc32@1.0.2": "1.0.2",
+    "jsr:@std/assert@*": "1.0.19",
+    "jsr:@std/bytes@^1.0.2": "1.0.6",
+    "jsr:@std/fs@1.0.5": "1.0.5",
+    "jsr:@std/internal@^1.0.12": "1.0.12",
+    "jsr:@std/io@0.225.0": "0.225.0",
+    "jsr:@std/path@1.0.8": "1.0.8",
+    "jsr:@std/path@^1.0.7": "1.0.8",
+    "jsr:@std/streams@^1.0.7": "1.0.17",
+    "jsr:@std/tar@0.1.3": "0.1.3",
+    "jsr:@zip-js/zip-js@2.7.53": "2.7.53",
+    "npm:playwright@*": "1.59.1",
+    "npm:typescript@*": "6.0.2"
+  },
+  "jsr": {
+    "@deno-library/compress@0.5.6": {
+      "integrity": "9d76e37e7682fc8d3d99d5641a7af454ce4689b1df3fd3062141a1deb64453cd",
+      "dependencies": [
+        "jsr:@deno-library/crc32",
+        "jsr:@std/fs",
+        "jsr:@std/io",
+        "jsr:@std/path@1.0.8",
+        "jsr:@std/tar",
+        "jsr:@zip-js/zip-js"
+      ]
+    },
+    "@deno-library/crc32@1.0.2": {
+      "integrity": "d2061bfee30c87c97f285dfca0fdc4458e632dc072a33ecfc73ca5177a5a39a0"
+    },
+    "@std/assert@1.0.19": {
+      "integrity": "eaada96ee120cb980bc47e040f82814d786fe8162ecc53c91d8df60b8755991e",
+      "dependencies": [
+        "jsr:@std/internal"
+      ]
+    },
+    "@std/bytes@1.0.6": {
+      "integrity": "f6ac6adbd8ccd99314045f5703e23af0a68d7f7e58364b47d2c7f408aeb5820a"
+    },
+    "@std/fs@1.0.5": {
+      "integrity": "41806ad6823d0b5f275f9849a2640d87e4ef67c51ee1b8fb02426f55e02fd44e",
+      "dependencies": [
+        "jsr:@std/path@^1.0.7"
+      ]
+    },
+    "@std/internal@1.0.12": {
+      "integrity": "972a634fd5bc34b242024402972cd5143eac68d8dffaca5eaa4dba30ce17b027"
+    },
+    "@std/io@0.225.0": {
+      "integrity": "c1db7c5e5a231629b32d64b9a53139445b2ca640d828c26bf23e1c55f8c079b3",
+      "dependencies": [
+        "jsr:@std/bytes"
+      ]
+    },
+    "@std/path@1.0.8": {
+      "integrity": "548fa456bb6a04d3c1a1e7477986b6cffbce95102d0bb447c67c4ee70e0364be"
+    },
+    "@std/streams@1.0.17": {
+      "integrity": "7859f3d9deed83cf4b41f19223d4a67661b3d3819e9fc117698f493bf5992140"
+    },
+    "@std/tar@0.1.3": {
+      "integrity": "531270fc707b37ab9b5f051aa4943e7b16b86905e0398a4ebe062983b0c93115",
+      "dependencies": [
+        "jsr:@std/streams"
+      ]
+    },
+    "@zip-js/zip-js@2.7.53": {
+      "integrity": "acea5bd8e01feb3fe4c242cfbde7d33dd5e006549a4eb1d15283bc0c778ed672"
+    }
+  },
+  "npm": {
+    "fsevents@2.3.2": {
+      "integrity": "sha512-xiqMQR4xAeHTuB9uWm+fFRcIOgKBMiOBP+eXiyT7jsgVCq1bkVygt00oASowB7EdtpOHaaPgKt812P9ab+DDKA==",
+      "os": ["darwin"],
+      "scripts": true
+    },
+    "playwright-core@1.59.1": {
+      "integrity": "sha512-HBV/RJg81z5BiiZ9yPzIiClYV/QMsDCKUyogwH9p3MCP6IYjUFu/MActgYAvK0oWyV9NlwM3GLBjADyWgydVyg==",
+      "bin": true
+    },
+    "playwright@1.59.1": {
+      "integrity": "sha512-C8oWjPR3F81yljW9o5OxcWzfh6avkVwDD2VYdwIGqTkl+OGFISgypqzfu7dOe4QNLL2aqcWBmI3PMtLIK233lw==",
+      "dependencies": [
+        "playwright-core"
+      ],
+      "optionalDependencies": [
+        "fsevents"
+      ],
+      "bin": true
+    },
+    "typescript@6.0.2": {
+      "integrity": "sha512-bGdAIrZ0wiGDo5l8c++HWtbaNCWTS4UTv7RaTH/ThVIgjkveJt83m74bBHMJkuCbslY8ixgLBVZJIOiQlQTjfQ==",
+      "bin": true
+    }
+  }
+}

deno/ddln_server.ts

@@ -292,12 +292,14 @@ function connectWebsocket(request: Request) {
 
 }
 
+const projectRoot = new URL('..', import.meta.url).pathname;
+
 async function devServerWatchFiles() {
     const watcher = Deno.watchFs(["../static/", "../src/"]);
     for await (const event of watcher) {
         if (event.kind === "modify") {
             for (const path of event.paths) {
-                const cachedPath = path.replace(Deno.cwd() + '/..', '')
+                const cachedPath = path.replace(projectRoot, '/');
                 filepathResponseCache.delete(cachedPath);
                 console.log('Purging updated file:', cachedPath)
             }

deno/dev.sh

@@ -0,0 +1,5 @@
+#!/bin/bash
+TLS_CERT=../certs/localhost.pem \
+TLS_KEY=../certs/localhost-key.pem \
+PORT=8443 \
+deno run --inspect --allow-all --unstable-temporal --watch ddln_server.ts

dev.sh

@@ -0,0 +1,27 @@
+#!/bin/bash
+set -e
+
+SESSION="dandelion"
+ROOT="$(cd "$(dirname "$0")" && pwd)"
+
+# Kill any existing session
+tmux kill-session -t "$SESSION" 2>/dev/null || true
+
+# Create session with tsc in the first pane
+tmux new-session -d -s "$SESSION" -c "$ROOT"
+tmux send-keys -t "$SESSION" 'deno task watch' Enter
+
+# Split right: deno server
+tmux split-window -h -t "$SESSION" -c "$ROOT/deno"
+tmux send-keys -t "$SESSION" 'bash dev.sh' Enter
+
+# Split right: ddln_cli
+tmux split-window -h -t "$SESSION" -c "$ROOT/ddln_cli"
+tmux send-keys -t "$SESSION" 'bash dev.sh' Enter
+
+tmux select-layout -t "$SESSION" even-horizontal
+
+# Open Chrome silently after a short delay
+(sleep 3 && open -a "Google Chrome" "https://localhost:8443" &>/dev/null) &
+
+tmux attach-session -t "$SESSION"

package.json

@@ -1,5 +0,0 @@
-{
-  "devDependencies": {
-    "typescript": "5.8.3"
-  }
-}

setup.sh

@@ -0,0 +1,31 @@
+#!/bin/bash
+set -e
+
+# Install deno if needed
+if ! command -v deno &>/dev/null; then
+    echo "Installing deno..."
+    curl -fsSL https://deno.land/install.sh | sh
+    export DENO_INSTALL="$HOME/.deno"
+    export PATH="$DENO_INSTALL/bin:$PATH"
+fi
+
+# Install tmux if needed
+if ! command -v tmux &>/dev/null; then
+    echo "Installing tmux..."
+    brew install tmux
+fi
+
+# Install mkcert if needed
+if ! command -v mkcert &>/dev/null; then
+    echo "Installing mkcert..."
+    brew install mkcert
+fi
+
+# Install the local CA into the system/browser trust stores
+mkcert -install
+
+# Generate certs for localhost
+mkdir -p certs
+mkcert -cert-file certs/localhost.pem -key-file certs/localhost-key.pem localhost 127.0.0.1
+
+echo "Setup complete. Run deno/dev.sh and ddln_cli/dev.sh to start."

src/App.ts

@@ -1,8 +1,8 @@
 import { generateID } from "IDUtils";
 import { PeerManager, PeerEventTypes } from "PeerManager";
 import { Sync } from "Sync";
-import { openDatabase, getData, addData, addDataArray, clearData, deleteData, mergeDataArray, getAllData, checkPostIds, getAllIds, getPostsByIds, getPostForUser } from "db";
+import { openDatabase, getData, addData, addDataArray, clearData, deleteData, mergeDataArray, getAllData, checkPostIds, getAllIds, getPostsByIds, getPostForUser, getPostById, getRepliesForPost, buildReplyCountMap, getNotificationsForUser } from "db";
-import { arrayBufferToBase64, compressString } from "dataUtils";
+import { arrayBufferToBase64, compressString, decompressBuffer, base64ToArrayBuffer } from "dataUtils";
 import { log, logID, renderLog, setLogVisibility } from "log"
 
 declare let marked: any;
@@ -14,6 +14,7 @@ class Post {
   post_timestamp: Date;
   post_id: string;
   reply_to_id: string|null;
+  root_id: string|null;
   author: string;
   author_id: string;
   text: string;
@@ -29,7 +30,8 @@ class Post {
     imageData: ArrayBuffer | null = null,
     importedFrom: "twitter" | null = null,
     importSource: any = null,
-    reply_to_id:string|null = null) {
+    reply_to_id: string|null = null,
+    root_id: string|null = null) {
 
     this.post_timestamp = post_timestamp;
     this.post_id = generateID();
@@ -42,6 +44,7 @@ class Post {
     this.importedFrom = importedFrom;
     this.importSource = importSource;
     this.reply_to_id = reply_to_id;
+    this.root_id = root_id;
   }
 }
 
@@ -120,6 +123,7 @@ export class App {
   userID: string = '';
   peerID: string = '';
   replyToID: string|null = null;
+  replyRootID: string|null = null;
   following: Set<string> = new Set();
   posts: StoragePost[] = [];
   isHeadless: boolean = false;
@@ -524,17 +528,74 @@ export class App {
     globalThis.URL.revokeObjectURL(url);
   }
 
-  async importPostsForUser(userID: string, posts: string) {
+  async importPostsForUser(buffer: ArrayBuffer) {
+    const startTime = performance.now();
+    console.log.apply(null, log("Importing posts"));
+    const json = await decompressBuffer(buffer);
+    const data = JSON.parse(json);
 
+    let postsByUser: { [userID: string]: any[] };
+    let username = this.username;
+    let userID = this.userID;
+
+    if (Array.isArray(data)) {
+      console.log.apply(null, log("Detected old export format"));
+      postsByUser = { [this.userID]: data };
+    } else {
+      console.log.apply(null, log("Detected new export format"));
+      const { username: importedUsername, userID: importedUserID, posts } = data;
+      username = importedUsername;
+      userID = importedUserID;
+      postsByUser = posts;
+      localStorage.setItem("dandelion_username", username);
+      localStorage.setItem("dandelion_id", userID);
     }
 
-  async exportPostsForUser(userID: string) {
+    let totalPostsImported = 0;
+    const userTimings: { [userID: string]: number } = {};
 
-    let posts = await getAllData(userID);
+    for (const [sourceUserID, posts] of Object.entries(postsByUser)) {
+      const userStartTime = performance.now();
+      const postList = posts as any[];
 
-    let output = [];
+      for (let post of postList) {
+        if (post.image_data && typeof post.image_data === 'string') {
+          post.image_data = await base64ToArrayBuffer(post.image_data);
+        }
+        if (post.post_timestamp && typeof post.post_timestamp === 'string') {
+          post.post_timestamp = new Date(post.post_timestamp);
+        }
+      }
+
+      await mergeDataArray(sourceUserID, postList);
+      totalPostsImported += postList.length;
+      userTimings[sourceUserID] = performance.now() - userStartTime;
+    }
+
+    const totalTime = performance.now() - startTime;
+    const userTimingsLog = Object.entries(userTimings)
+      .map(([uid, ms]) => `${logID(uid)}: ${ms.toFixed(2)}ms`)
+      .join(', ');
+
+    console.log.apply(null, log(`Imported ${totalPostsImported} posts from ${Object.keys(postsByUser).length} users in ${totalTime.toFixed(2)}ms (${userTimingsLog})`));
+  }
+
+  async exportPostsForUser() {
+    console.log.apply(null, log("Exporting all posts for all users"));
+    const exportStartTime = performance.now();
+
+    const knownUsers = [...(await indexedDB.databases())]
+      .map(db => db.name?.replace('user_', ''))
+      .filter((userID): userID is string => userID !== undefined);
+
+    const postsByUser: { [userID: string]: any[] } = {};
+    const userTimings: { [userID: string]: number } = {};
+
+    for (const userID of knownUsers) {
+      const userStartTime = performance.now();
+      const posts = await getAllData(userID);
+      const output = [];
 
-    console.log.apply(null, log("Serializing images"));
       for (let post of posts) {
         let newPost = (post as any).data;
 
@@ -545,7 +606,27 @@ export class App {
         output.push(newPost);
       }
 
-    let compressedData = await compressString(JSON.stringify(output));
+      if (output.length > 0) {
+        postsByUser[userID] = output;
+      }
+
+      userTimings[userID] = performance.now() - userStartTime;
+    }
+
+    const totalTime = performance.now() - exportStartTime;
+    const userTimingsLog = Object.entries(userTimings)
+      .map(([uid, ms]) => `${logID(uid)}: ${ms.toFixed(2)}ms`)
+      .join(', ');
+
+    console.log.apply(null, log(`Exported ${Object.keys(postsByUser).length} users in ${totalTime.toFixed(2)}ms (${userTimingsLog})`));
+
+    const exportData = {
+      username: this.username,
+      userID: this.userID,
+      posts: postsByUser
+    };
+
+    let compressedData = await compressString(JSON.stringify(exportData));
 
     const d = new Date();
     const timestamp = `${d.getFullYear()
@@ -555,8 +636,7 @@ export class App {
       }_${String(d.getMinutes()).padStart(2, '0')
       }_${String(d.getSeconds()).padStart(2, '0')}`;
 
-
+    this.downloadBinary(compressedData, `ddln_export_${timestamp}.json.gz`);
-    this.downloadBinary(compressedData, `ddln_${this.username}_export_${timestamp}.json.gz`);
   }
 
   async importTweetArchive(userID: string, tweetArchive: any[]) {
@@ -723,7 +803,7 @@ export class App {
     }
   }
 
-  async createPost(userID: string, postText: string, mediaData?: ArrayBuffer, mimeType?: "image/svg+xml" | "image/png" | "image/gif" | "image/jpg" | "image/jpeg" | "video/mp4", replyToID:string|null = null) {
+  async createPost(userID: string, postText: string, mediaData?: ArrayBuffer, mimeType?: "image/svg+xml" | "image/png" | "image/gif" | "image/jpg" | "image/jpeg" | "video/mp4", replyToID: string|null = null, replyRootID: string|null = null) {
     if ((typeof postText !== "string") || postText.length === 0) {
       console.log.apply(null, log("Not posting an empty string..."));
       return;
@@ -738,7 +818,7 @@ export class App {
       }
     }
 
-    let post = new Post(this.username, userID, postText, new Date(), mediaData, null, null, replyToID);
+    let post = new Post(this.username, userID, postText, new Date(), mediaData, null, null, replyToID, replyRootID);
     // this.posts.push(post);
     // localStorage.setItem(key, JSON.stringify(posts));
     addData(userID, post);
@@ -749,27 +829,23 @@ export class App {
     this.render();
   }
 
-  getPeerID() {
+  getPeerID(): string {
-    let id = localStorage.getItem("peer_id");
+    const existing = localStorage.getItem("peer_id");
+    if (existing) return existing;
 
-    if (!id) {
+    console.log.apply(null, log(`Didn't find a peer ID, generating one`));
-      console.log.apply(null, log(`Didn't find a peer ID, generating one`));;
+    const id = generateID();
-      id = generateID();
     localStorage.setItem("peer_id", id);
-    }
-
     return id;
   }
 
-  getUserID() {
+  getUserID(): string {
-    let id = localStorage.getItem("dandelion_id");
+    const existing = localStorage.getItem("dandelion_id");
+    if (existing) return existing;
 
-    if (!id) {
+    console.log.apply(null, log(`Didn't find a user ID, generating one`));
-      console.log.apply(null, log(`Didn't find a user ID, generating one`));;
+    const id = generateID();
-      id = generateID();
     localStorage.setItem("dandelion_id", id);
-    }
-
     return id;
   }
 
@@ -920,6 +996,15 @@ export class App {
     });
   }
 
+  hideInfo() {
+    const infoElement = document.getElementById('info');
+    if (infoElement && infoElement.style.display !== 'none') {
+      infoElement.style.display = 'none';
+      setLogVisibility(false);
+      this.showLog = false;
+    }
+  }
+
   showInfo() {
     let infoElement = document.getElementById('info');
 
@@ -966,6 +1051,15 @@ export class App {
     let profileButton = this.div('profile-button');
     profileButton.addEventListener('click', e => globalThis.location.href = `${globalThis.location.origin}/user/${this.userID}`)
 
+    let notificationsButton = this.div('notifications-button');
+    notificationsButton.addEventListener('click', () => {
+      this.hideInfo();
+      navContainer.classList.remove('active');
+      history.pushState({}, '', '/notifications');
+      this.getRoute();
+      this.render();
+    });
+
     let monitorButton = this.div('monitor_button');
     monitorButton.addEventListener('click', async () => {
       navContainer.classList.toggle('active');
@@ -976,10 +1070,21 @@ export class App {
     let burgerMenuButton = this.div('burger-menu-button');
     burgerMenuButton.addEventListener('click', e => navContainer.classList.toggle('active'));
 
+    let importFilePicker = document.getElementById('import-file-input') as HTMLInputElement;
+    importFilePicker?.addEventListener('change', async () => {
+      const file = importFilePicker.files?.[0];
+      if (!file) return;
+      const buffer = await file.arrayBuffer();
+      await this.importPostsForUser(buffer);
+      importFilePicker.value = '';
+      this.userID = localStorage.getItem("dandelion_id") || this.userID;
+      this.username = localStorage.getItem("dandelion_username") || this.username;
+      this.render();
+    });
+
     let exportButton = this.button("export-button");
     exportButton.addEventListener('click', async e => {
-
+      await this.exportPostsForUser()
-      await this.exportPostsForUser(this.userID)
     });
 
     let composeButton = this.div('compose-button');
@@ -992,7 +1097,7 @@ export class App {
     filePicker?.addEventListener('change', async (event: any) => {
       for (let file of filePicker.files as any) {
         let buffer = await file.arrayBuffer();
-        await this.createPost(this.userID, 'image...', buffer, file.type);
+        await this.createPost(this.userID, 'image...', buffer, file.type, this.replyToID, this.replyRootID);
       }
 
       // Reset so that if they pick the same image again, we still get the change event.
@@ -1051,12 +1156,21 @@ export class App {
       const dataTransfer = e.clipboardData
       const file = dataTransfer!.files[0];
       let buffer = await file.arrayBuffer();
-      await this.createPost(this.userID, 'image...', buffer, file.type as any);
+      await this.createPost(this.userID, 'image...', buffer, file.type as any, this.replyToID, this.replyRootID);
     });
 
-    postButton.addEventListener("click", () => {
+    const submitPost = () => {
-      this.createPost(userID, postText.value, undefined, undefined, this.replyToID);
+      this.createPost(userID, postText.value, undefined, undefined, this.replyToID, this.replyRootID);
       this.exitCompose();
+    };
+
+    postButton.addEventListener("click", submitPost);
+
+    postText.addEventListener("keydown", (e) => {
+      if ((e.metaKey || e.ctrlKey) && e.key === "Enter") {
+        e.preventDefault();
+        submitPost();
+      }
     });
 
     // updateApp.addEventListener("click", () => {
@@ -1072,21 +1186,24 @@ export class App {
 
 
   // Change this all to a template so we're not toggling state in this crazy way!
-  enterCompose(replyToID:string|null=null) {
+  enterCompose(replyToID: string|null = null, replyRootID: string|null = null) {
+    this.replyToID = replyToID;
+    this.replyRootID = replyRootID;
+
     if (replyToID) {
       this.renderComposeReplyArea(replyToID);
        document.getElementById("compose-reply-area")!.style.display = "block";
     }
 
-    replyToID = replyToID;
+    document.getElementById('compose')!.style.display = 'flex';
-
-    document.getElementById('compose')!.style.display = 'block';
     document.getElementById('textarea_post')?.focus();
     document.getElementById('compose-dimmer')?.classList.add("compose-dimmer-dimmed");
     document.body.classList.add("no-scroll");
   }
 
   exitCompose() {
+    this.replyToID = null;
+    this.replyRootID = null;
     let postText = document.getElementById("textarea_post") as HTMLTextAreaElement;
     postText.value = "";
     document.getElementById('compose')!.style.display = 'none';
@@ -1280,6 +1397,8 @@ export class App {
 
     await this.initDB();
 
+    window.addEventListener('popstate', () => { this.hideInfo(); this.getRoute(); this.render(); });
+
     this.connectURL = `${document.location.origin}/connect/${this.userID}`;
     document.getElementById('connectURL')!.innerHTML = `<a href="${this.connectURL}">connect</a>`;
 
@@ -1424,6 +1543,11 @@ export class App {
         compose.style.display = "none";
         break;
       }
+      case App.Route.NOTIFICATIONS: {
+        this.posts = await getNotificationsForUser(this.userID);
+        document.getElementById('compose')!.style.display = "none";
+        break;
+      }
       default: {
         console.log.apply(null, log("Render: got a route I didn't understand. Rendering HOME:", this.router.route));
         this.posts = await this.loadPostsFromStorage(this.userID) ?? [];
@@ -1434,6 +1558,21 @@ export class App {
     if (!contentDiv) {
       throw new Error();
     }
+
+    if (this.router.route === App.Route.NOTIFICATIONS) {
+      contentDiv.innerHTML = '';
+      if (this.posts.length === 0) {
+        contentDiv.innerHTML = '<div style="padding:20px;color:gray">No notifications yet.</div>';
+      } else {
+        let first = true;
+        for (const postRecord of this.posts) {
+          contentDiv.appendChild(this.renderNotificationItem(postRecord.data, first));
+          first = false;
+        }
+      }
+      return;
+    }
+
     if (this.posts.length === 0) {
       this.renderWelcome(contentDiv as HTMLDivElement);
       return;
@@ -1464,13 +1603,19 @@ export class App {
     contentDiv.innerHTML = "";
     let count = 0;
 
+    const isPostView = this.router.route === App.Route.POST;
+    contentDiv.classList.toggle('post-view', isPostView);
+
+    const replyCountMap = await buildReplyCountMap();
+
     this.renderedPosts.clear();
     let first = true;
     for (let i = this.posts.length - 1; i >= 0; i--) {
       let postData = this.posts[i];
+      if (!isPostView && postData.data.reply_to_id) continue;
       // this.postsSet.add(postData);
       // TODO return promises for all image loads and await those.
-      let post = this.renderPost(postData.data, first);
+      let post = this.renderPost(postData.data, first, replyCountMap.recursive.get(postData.data.post_id) ?? 0);
       first = false;
       // this.renderedPosts.set(postData.post_id, post);
       if (post) {
@@ -1489,6 +1634,39 @@ export class App {
 
     contentDiv.appendChild(fragment);
 
+    if (isPostView && this.posts.length > 0) {
+      const currentPost = this.posts[0].data;
+      if (currentPost.root_id) {
+        const rootRecord = await getPostById(currentPost.root_id);
+        if (rootRecord) {
+          const rootEl = this.renderPost(rootRecord.data, true, replyCountMap.recursive.get(rootRecord.data.post_id) ?? 0);
+          contentDiv.insertBefore(rootEl, contentDiv.firstChild);
+        }
+      }
+
+      const renderReplies = async (postID: string, depth: number) => {
+        if (depth > 2) return;
+        const replies = await getRepliesForPost(postID);
+        // Top-level replies: newest first. Nested replies: oldest first (readable order).
+        if (depth === 0) {
+          replies.sort((a, b) =>
+            new Date(b.data.post_timestamp).getTime() - new Date(a.data.post_timestamp).getTime()
+          );
+        } else {
+          replies.sort((a, b) =>
+            new Date(a.data.post_timestamp).getTime() - new Date(b.data.post_timestamp).getTime()
+          );
+        }
+        for (const reply of replies) {
+          const el = this.renderPost(reply.data, false, replyCountMap.direct.get(reply.data.post_id) ?? 0);
+          if (depth > 0) el.style.marginLeft = `${depth * 20}px`;
+          contentDiv.appendChild(el);
+          await renderReplies(reply.data.post_id, depth + 1);
+        }
+      };
+      await renderReplies(this.posts[0].data.post_id, currentPost.root_id ? 1 : 0);
+    }
+
     let renderTime = this.timerDelta();
 
     console.log.apply(null, log(`render took: ${renderTime.toFixed(2)}ms`));;
@@ -1509,13 +1687,75 @@ export class App {
     this.render();
   }
 
-   renderComposeReplyArea(replyToID:string) {
+  async renderComposeReplyArea(replyToID: string) {
-    let composeReplyArea = document.getElementById('compose-reply-area') as HTMLElement;
+    const composeReplyArea = document.getElementById('compose-reply-area') as HTMLElement;
-    composeReplyArea.innerText = replyToID;
+    composeReplyArea.innerHTML = '';
-    composeReplyArea.classList.add("show");
+
+    const record = await getPostById(replyToID);
+    if (!record) return;
+    const postData = record.data;
+
+    const authorDiv = document.createElement('div');
+    authorDiv.className = 'compose-reply-author';
+    authorDiv.textContent = `@${postData.author}`;
+    composeReplyArea.appendChild(authorDiv);
+
+    const previewDiv = document.createElement('div');
+    previewDiv.className = 'compose-reply-preview';
+
+    const textDiv = document.createElement('div');
+    textDiv.className = 'compose-reply-preview-text';
+    textDiv.innerHTML = this.markedAvailable ? marked.parse(postData.text) : postData.text;
+    previewDiv.appendChild(textDiv);
+
+    if (postData.image_data) {
+      const img = document.createElement('img');
+      img.className = 'compose-reply-preview-image';
+      const blob = new Blob([postData.image_data as ArrayBuffer]);
+      img.src = URL.createObjectURL(blob);
+      previewDiv.appendChild(img);
     }
 
-  renderPost(post: Post, first: boolean) {
+    composeReplyArea.appendChild(previewDiv);
+  }
+
+  renderNotificationItem(post: Post, first: boolean): HTMLElement {
+    const el = document.createElement('div');
+    el.style.cssText = 'padding: 8px 10px; cursor: pointer;';
+    if (!first) el.innerHTML = '<hr>';
+
+    const authorDiv = document.createElement('div');
+    authorDiv.className = 'compose-reply-author';
+    authorDiv.textContent = `@${post.author} · ${post.post_timestamp.toLocaleDateString()}`;
+    el.appendChild(authorDiv);
+
+    const previewDiv = document.createElement('div');
+    previewDiv.className = 'compose-reply-preview';
+
+    const textDiv = document.createElement('div');
+    textDiv.className = 'compose-reply-preview-text';
+    textDiv.style.maxHeight = 'none';
+    textDiv.innerHTML = this.markedAvailable ? marked.parse(post.text) : post.text;
+    previewDiv.appendChild(textDiv);
+
+    if (post.image_data) {
+      const img = document.createElement('img');
+      img.className = 'compose-reply-preview-image';
+      img.src = URL.createObjectURL(new Blob([post.image_data as ArrayBuffer]));
+      previewDiv.appendChild(img);
+    }
+
+    el.appendChild(previewDiv);
+    el.addEventListener('click', () => {
+      history.pushState({}, '', `/user/${post.author_id}/post/${post.post_id}`);
+      this.getRoute();
+      this.render();
+    });
+
+    return el;
+  }
+
+  renderPost(post: Post, first: boolean, replyCount: number = 0) {
     if (!(post.hasOwnProperty("text"))) {
       throw new Error("Post is malformed!");
     }
@@ -1534,13 +1774,11 @@ export class App {
       await navigator.clipboard.writeText(shareUrl)
     };
 
-    let replyButton = document.createElement('button'); replyButton.innerText = 'reply';
+    let replyButton = document.createElement('button'); replyButton.innerText = replyCount > 0 ? `reply (${replyCount})` : 'reply';
     replyButton.onclick = async () => {
       console.log(`replying to post ${post.post_id}`);
-      this.enterCompose(post.post_id);
+      const rootID = post.root_id ?? post.post_id;
-      // let shareUrl = `${document.location.origin}/user/${post.author_id}/post/${post.post_id}`;
+      this.enterCompose(post.post_id, rootID);
-
-      // await navigator.clipboard.writeText(shareUrl)
     };
 
 
@@ -1564,7 +1802,8 @@ export class App {
     let userURL = `${document.location.origin}/user/${post.author_id}/`
 
     let postTemplate =
-      `<div>${first ? '' : '<hr>'}
+      `<div class="post-container">${first ? '' : '<hr>'}
+        <div class="post-body">
           <div>
             <span class='header' title='${timestamp}'><img class="logo" src="/static/favicon.ico"><a class="username" href="${userURL}">@${post.author}</a> -
               <span style="color:rgb(128,128,128)">${post.post_timestamp.toLocaleDateString()}</span>
@@ -1578,12 +1817,18 @@ export class App {
           ${ownPost ? `<span id="editButton"></span>` : ''}
           <span id="shareButton"></span>
           ${ownPost ? `<span id="deleteButton"></span>` : ''}
-
+        </div>
-
       </div>`
 
     containerDiv.innerHTML = postTemplate;
 
+    const postBody = containerDiv.querySelector('.post-body') as HTMLElement;
+    postBody.addEventListener('click', (e) => {
+      if ((e.target as HTMLElement).closest('button, a')) return;
+      history.pushState({}, '', `/user/${post.author_id}/post/${post.post_id}`);
+      this.getRoute();
+      this.render();
+    });
 
     if (ownPost) {
       containerDiv.querySelector('#deleteButton')?.appendChild(deleteButton);
@@ -1635,6 +1880,15 @@ export class App {
     let path = document.location.pathname;
     console.log.apply(null, log("router: path ", path));
 
+    if (path === '/notifications') {
+      this.router.route = App.Route.NOTIFICATIONS;
+      this.router.userID = '';
+      this.router.postID = '';
+      this.router.mediaID = '';
+      console.log.apply(null, log("router: NOTIFICATIONS"));
+      return;
+    }
+
     const regex = "(user/([a-zA-Z0-9\-]+)/?(post/([a-zA-Z0-9\-]+)?/?)?(media/([0-9]+)?)?)|(connect/([a-zA-Z0-9\-]+))";
 
     const match = path.match(new RegExp(regex));
@@ -1657,6 +1911,11 @@ export class App {
           this.router.route = App.Route.USER;
         }
       }
+    } else {
+      this.router.route = App.Route.HOME;
+      this.router.userID = '';
+      this.router.postID = '';
+      this.router.mediaID = '';
     }
 
     console.log.apply(null, log("router: ", this.router.userID, this.router.postID, this.router.mediaID, App.Route[this.router.route]));
@@ -1680,5 +1939,6 @@ export namespace App {
     GROUP = 8,
     HOME = 16,
     CONNECT = 32,
+    NOTIFICATIONS = 64,
   }
 };

src/Sync.ts

@@ -2,7 +2,7 @@ import { openDatabase, getData, addData, addDataArray, clearData, deleteData, me
 import { log, logID } from "log";
 
 
-async function bytesToBase64DataUrl(bytes: Uint8Array, type = "application/octet-stream") {
+async function bytesToBase64DataUrl(bytes: Uint8Array<ArrayBuffer>, type = "application/octet-stream") {
     return await new Promise((resolve, reject) => {
         const reader = Object.assign(new FileReader(), {
             onload: () => resolve(reader.result),

src/dataUtils.ts

@@ -1,4 +1,4 @@
-export async function bytesToBase64DataUrl(bytes: Uint8Array, type = "application/octet-stream") {
+export async function bytesToBase64DataUrl(bytes: Uint8Array<ArrayBuffer>, type = "application/octet-stream") {
   return await new Promise((resolve, reject) => {
     const reader = Object.assign(new FileReader(), {
       onload: () => resolve(reader.result),
@@ -39,6 +39,20 @@ export async function compressString(input: string) {
   return compressedArray;
 }
 
+export async function decompressBuffer(input: ArrayBuffer): Promise<string> {
+  const decompressionStream = new DecompressionStream('gzip');
+  const writer = decompressionStream.writable.getWriter();
+  writer.write(new Uint8Array(input));
+  writer.close();
+  const decompressedBuffer = await new Response(decompressionStream.readable).arrayBuffer();
+  return new TextDecoder().decode(decompressedBuffer);
+}
+
+export async function base64ToArrayBuffer(base64: string): Promise<ArrayBuffer> {
+  const response = await fetch("data:application/octet-stream;base64," + base64);
+  return response.arrayBuffer();
+}
+
 // Base58 character set
 // const BASE58_ALPHABET = '123456789ABCDEFGHJKLMNPQRSTUVWXYZabcdefghijkmnopqrstuvwxyz';
 // Base58 encoding

src/db.ts

@@ -463,6 +463,112 @@ export async function getAllIds(userID: string): Promise<any | undefined> {
     });
 }
 
+export async function buildReplyCountMap(): Promise<{ direct: Map<string, number>, recursive: Map<string, number> }> {
+    const children = new Map<string, string[]>();
+    const knownUsers = [...(await indexedDB.databases())]
+        .map(db => db.name?.replace('user_', '')).filter(Boolean) as string[];
+    for (const userID of knownUsers) {
+        try {
+            const { store } = await getDBTransactionStore(userID);
+            const index = store.index("postReplyIndex");
+            const replies: any[] = await new Promise((resolve, reject) => {
+                const req = index.getAll();
+                req.onsuccess = () => resolve(req.result);
+                req.onerror = () => reject(req.error);
+            });
+            for (const r of replies) {
+                const parentID = r.data.reply_to_id;
+                const replyID = r.data.post_id;
+                if (parentID && replyID) {
+                    if (!children.has(parentID)) children.set(parentID, []);
+                    children.get(parentID)!.push(replyID);
+                }
+            }
+        } catch (_) {}
+    }
+
+    const direct = new Map<string, number>();
+    for (const [parentID, kids] of children) {
+        direct.set(parentID, kids.length);
+    }
+
+    const countDescendants = (postID: string): number => {
+        const kids = children.get(postID) ?? [];
+        return kids.reduce((sum, kid) => sum + 1 + countDescendants(kid), 0);
+    };
+
+    const recursive = new Map<string, number>();
+    for (const postID of children.keys()) {
+        recursive.set(postID, countDescendants(postID));
+    }
+
+    return { direct, recursive };
+}
+
+export async function getPostById(postID: string): Promise<any | undefined> {
+    const knownUsers = [...(await indexedDB.databases())]
+        .map(db => db.name?.replace('user_', '')).filter(Boolean) as string[];
+    for (const userID of knownUsers) {
+        try {
+            const { store } = await getDBTransactionStore(userID);
+            const index = store.index("postIDIndex");
+            const result: any = await new Promise((resolve, reject) => {
+                const req = index.get(postID);
+                req.onsuccess = () => resolve(req.result);
+                req.onerror = () => reject(req.error);
+            });
+            if (result) return result;
+        } catch (_) {}
+    }
+    return undefined;
+}
+
+export async function getRepliesForPost(postID: string): Promise<any[]> {
+    const knownUsers = [...(await indexedDB.databases())]
+        .map(db => db.name?.replace('user_', '')).filter(Boolean) as string[];
+    let replies: any[] = [];
+    for (const userID of knownUsers) {
+        try {
+            const { store } = await getDBTransactionStore(userID);
+            const index = store.index("postReplyIndex");
+            const results: any[] = await new Promise((resolve, reject) => {
+                const req = index.getAll(postID);
+                req.onsuccess = () => resolve(req.result);
+                req.onerror = () => reject(req.error);
+            });
+            replies = replies.concat(results);
+        } catch (_) {}
+    }
+    return replies;
+}
+
+export async function getNotificationsForUser(userID: string): Promise<any[]> {
+    const userPostIds = new Set(await getAllIds(userID));
+    const knownUsers = [...(await indexedDB.databases())]
+        .map(db => db.name?.replace('user_', '')).filter(Boolean) as string[];
+    let notifications: any[] = [];
+    for (const dbUserID of knownUsers) {
+        try {
+            const { store } = await getDBTransactionStore(dbUserID);
+            const index = store.index("postReplyIndex");
+            const results: any[] = await new Promise((resolve, reject) => {
+                const req = index.getAll();
+                req.onsuccess = () => resolve(req.result);
+                req.onerror = () => reject(req.error);
+            });
+            for (const r of results) {
+                if (r.data.reply_to_id && userPostIds.has(r.data.reply_to_id)) {
+                    notifications.push(r);
+                }
+            }
+        } catch (_) {}
+    }
+    notifications.sort((a, b) =>
+        new Date(b.data.post_timestamp).getTime() - new Date(a.data.post_timestamp).getTime()
+    );
+    return notifications;
+}
+
 export async function getPostsByIds(userID: string, postIDs: string[]) {
     const { store } = await getDBTransactionStore(userID);
     const index = store.index("postIDIndex");

src/main.ts

@@ -230,7 +230,7 @@ window.addEventListener('scroll', () => {
 //   }
 // }
 
-async function bytesToBase64DataUrl(bytes: Uint8Array, type = "application/octet-stream") {
+async function bytesToBase64DataUrl(bytes: Uint8Array<ArrayBuffer>, type = "application/octet-stream") {
   return await new Promise((resolve, reject) => {
     const reader = Object.assign(new FileReader(), {
       onload: () => resolve(reader.result),
@@ -918,7 +918,7 @@ class App {
       }_${String(d.getSeconds()).padStart(2, '0')}`;
 
 
-    this.downloadBinary(compressedData, `ddln_${this.username}_export_${timestamp}.json.gz`);
+    this.downloadBinary(compressedData.buffer, `ddln_${this.username}_export_${timestamp}.json.gz`);
   }
 
   async importTweetArchive(userID: string, tweetArchive: any[]) {

src/sw.ts

@@ -38,102 +38,44 @@ self.addEventListener("install", (e: any) => {
 });
 
 
-async function staleWhileRevalidate(event: any) {
+async function fetchAndUpdateCache(request: Request): Promise<Response> {
-
+  debugLog && console.log('Service Worker: Fetching', request.url);
-  let cache = await caches.open(cacheName);
+  let networkResponse: Response;
-
-  let response = await cache.match(event.request);
-
-  if (response) {
-    debugLog ? console.log('Service Worker: Cache hit', event.request.url) : null;
-  }
-
-  const fetchPromise = (async () => {
-    debugLog ? console.log('Service Worker: Fetching', event.request.url) : null;
-
-    let networkResponse = null;
   try {
-      networkResponse = await fetch(event.request);
+    networkResponse = await fetch(request);
   } catch (e) {
-      debugLog ? console.log('Service Worker: Failed to fetch', e) : null;
+    debugLog && console.log('Service Worker: Failed to fetch', e);
-
     return new Response('Network error occurred', {
       status: 404,
       statusText: 'Cache miss and fetch failed',
       headers: { 'Content-Type': 'text/plain' }
     });
   }
-
+  debugLog && console.log('Service Worker: Updating cache', request.url);
-    debugLog ? console.log('Service Worker: Updating cache', event.request.url) : null;
+  const cache = await caches.open(cacheName);
-
   try {
-      await cache.put(event.request, networkResponse.clone());
+    await cache.put(request, networkResponse.clone());
   } catch (e) {
-      debugLog ? console.log('Service Worker: failed to update cache', event.request.url, e) : null;
+    debugLog && console.log('Service Worker: failed to update cache', request.url, e);
-
   }
-
-    debugLog ? console.log('Service Worker: Returning networkResponse', event.request.url) : null;
   return networkResponse;
-  })();
-
-
-  debugLog ? console.log('Service Worker: Returning return response || fetchPromise', event.request.url) : null;
-  return response || fetchPromise;
-
-  // if (networkResponse) {
-  //   cache.put(event.request, networkResponse.clone())
-  //   return networkResponse;
-  // }
-
-
-
-  // caches.open(cacheName)
-  //   .then(function (cache) {
-  //     return cache.match(event.request)
-  //       .then(function (response) {
-  //         var fetchPromise = fetch(event.request)
-  //           .then(function (networkResponse) {
-  //             cache.put(event.request, networkResponse.clone());
-  //             return networkResponse;
-  //           });
-  //         return response || fetchPromise;
-  //       });
-  //   })
 }
 
-// async function responder(event: any) {
-//   debugLog ? console.log('Fetching', event.request.url) : null;
-
-//   let response = await fetch(event.request);
-
-//   if (!response) {
-//     debugLog ? console.log('Fetch failed, falling back to cache', event.request.url) : null;
-//     let cacheMatch = await caches.match(event.request);
-//     if (!cacheMatch) {
-//       // DUnno what to return here!
-//     }
-//     return cacheMatch;
-//   }
-
-//   if (response.status === 206) {
-//     debugLog ? console.log('Not caching partial content') : null;
-//     return response;
-//   }
-
-//   debugLog ? console.log('Fetch successful, updating cache', event.request.url) : null;
-//   const cache = await caches.open(cacheName);
-//   try {
-//     cache.put(event.request, response.clone()).catch((error) => debugLog ? console.log('failed to cache', event.request, error)) : null;
-//   } catch (e) {
-//     console.log('failed to cache', event.request)
-//   }
-//   return response;
-// }
-
 self.addEventListener('fetch', function (event: any) {
-  event.respondWith(staleWhileRevalidate(event));
+  const networkFetch = fetchAndUpdateCache(event.request);
-  // event.respondWith(responder(event));
+
+  event.respondWith(async function () {
+    const cache = await caches.open(cacheName);
+    const cached = await cache.match(event.request);
+    if (cached) {
+      debugLog && console.log('Service Worker: Cache hit', event.request.url);
+      return cached;
+    }
+    return networkFetch;
+  }());
+
+  // Keep the SW alive until the background cache update finishes
+  event.waitUntil(networkFetch);
 });
 
 addEventListener("message", async (e) => {

static/App.js

@@ -1,11 +1,11 @@
 import { generateID } from "IDUtils";
 import { PeerManager, PeerEventTypes } from "PeerManager";
 import { Sync } from "Sync";
-import { openDatabase, getData, addData, deleteData, getAllData, getPostForUser } from "db";
+import { openDatabase, getData, addData, deleteData, mergeDataArray, getAllData, getPostForUser, getPostById, getRepliesForPost, buildReplyCountMap, getNotificationsForUser } from "db";
-import { arrayBufferToBase64, compressString } from "dataUtils";
+import { arrayBufferToBase64, compressString, decompressBuffer, base64ToArrayBuffer } from "dataUtils";
 import { log, logID, renderLog, setLogVisibility } from "log";
 class Post {
-    constructor(author, author_id, text, post_timestamp, imageData = null, importedFrom = null, importSource = null, reply_to_id = null) {
+    constructor(author, author_id, text, post_timestamp, imageData = null, importedFrom = null, importSource = null, reply_to_id = null, root_id = null) {
         this.post_timestamp = post_timestamp;
         this.post_id = generateID();
         this.author = author;
@@ -15,6 +15,7 @@ class Post {
         this.importedFrom = importedFrom;
         this.importSource = importSource;
         this.reply_to_id = reply_to_id;
+        this.root_id = root_id;
     }
 }
 class StatusBar {
@@ -70,6 +71,7 @@ export class App {
         this.userID = '';
         this.peerID = '';
         this.replyToID = null;
+        this.replyRootID = null;
         this.following = new Set();
         this.posts = [];
         this.isHeadless = false;
@@ -382,12 +384,62 @@ export class App {
         document.body.removeChild(link);
         globalThis.URL.revokeObjectURL(url);
     }
-    async importPostsForUser(userID, posts) {
+    async importPostsForUser(buffer) {
+        const startTime = performance.now();
+        console.log.apply(null, log("Importing posts"));
+        const json = await decompressBuffer(buffer);
+        const data = JSON.parse(json);
+        let postsByUser;
+        let username = this.username;
+        let userID = this.userID;
+        if (Array.isArray(data)) {
+            console.log.apply(null, log("Detected old export format"));
+            postsByUser = { [this.userID]: data };
         }
-    async exportPostsForUser(userID) {
+        else {
-        let posts = await getAllData(userID);
+            console.log.apply(null, log("Detected new export format"));
-        let output = [];
+            const { username: importedUsername, userID: importedUserID, posts } = data;
-        console.log.apply(null, log("Serializing images"));
+            username = importedUsername;
+            userID = importedUserID;
+            postsByUser = posts;
+            localStorage.setItem("dandelion_username", username);
+            localStorage.setItem("dandelion_id", userID);
+        }
+        let totalPostsImported = 0;
+        const userTimings = {};
+        for (const [sourceUserID, posts] of Object.entries(postsByUser)) {
+            const userStartTime = performance.now();
+            const postList = posts;
+            for (let post of postList) {
+                if (post.image_data && typeof post.image_data === 'string') {
+                    post.image_data = await base64ToArrayBuffer(post.image_data);
+                }
+                if (post.post_timestamp && typeof post.post_timestamp === 'string') {
+                    post.post_timestamp = new Date(post.post_timestamp);
+                }
+            }
+            await mergeDataArray(sourceUserID, postList);
+            totalPostsImported += postList.length;
+            userTimings[sourceUserID] = performance.now() - userStartTime;
+        }
+        const totalTime = performance.now() - startTime;
+        const userTimingsLog = Object.entries(userTimings)
+            .map(([uid, ms]) => `${logID(uid)}: ${ms.toFixed(2)}ms`)
+            .join(', ');
+        console.log.apply(null, log(`Imported ${totalPostsImported} posts from ${Object.keys(postsByUser).length} users in ${totalTime.toFixed(2)}ms (${userTimingsLog})`));
+    }
+    async exportPostsForUser() {
+        console.log.apply(null, log("Exporting all posts for all users"));
+        const exportStartTime = performance.now();
+        const knownUsers = [...(await indexedDB.databases())]
+            .map(db => db.name?.replace('user_', ''))
+            .filter((userID) => userID !== undefined);
+        const postsByUser = {};
+        const userTimings = {};
+        for (const userID of knownUsers) {
+            const userStartTime = performance.now();
+            const posts = await getAllData(userID);
+            const output = [];
             for (let post of posts) {
                 let newPost = post.data;
                 if (newPost.image_data) {
@@ -395,10 +447,25 @@ export class App {
                 }
                 output.push(newPost);
             }
-        let compressedData = await compressString(JSON.stringify(output));
+            if (output.length > 0) {
+                postsByUser[userID] = output;
+            }
+            userTimings[userID] = performance.now() - userStartTime;
+        }
+        const totalTime = performance.now() - exportStartTime;
+        const userTimingsLog = Object.entries(userTimings)
+            .map(([uid, ms]) => `${logID(uid)}: ${ms.toFixed(2)}ms`)
+            .join(', ');
+        console.log.apply(null, log(`Exported ${Object.keys(postsByUser).length} users in ${totalTime.toFixed(2)}ms (${userTimingsLog})`));
+        const exportData = {
+            username: this.username,
+            userID: this.userID,
+            posts: postsByUser
+        };
+        let compressedData = await compressString(JSON.stringify(exportData));
         const d = new Date();
         const timestamp = `${d.getFullYear()}_${String(d.getMonth() + 1).padStart(2, '0')}_${String(d.getDate()).padStart(2, '0')}_${String(d.getHours()).padStart(2, '0')}_${String(d.getMinutes()).padStart(2, '0')}_${String(d.getSeconds()).padStart(2, '0')}`;
-        this.downloadBinary(compressedData, `ddln_${this.username}_export_${timestamp}.json.gz`);
+        this.downloadBinary(compressedData, `ddln_export_${timestamp}.json.gz`);
     }
     async importTweetArchive(userID, tweetArchive) {
         console.log.apply(null, log("Importing tweet archive"));
@@ -525,7 +592,7 @@ export class App {
             return null;
         }
     }
-    async createPost(userID, postText, mediaData, mimeType, replyToID = null) {
+    async createPost(userID, postText, mediaData, mimeType, replyToID = null, replyRootID = null) {
         if ((typeof postText !== "string") || postText.length === 0) {
             console.log.apply(null, log("Not posting an empty string..."));
             return;
@@ -538,7 +605,7 @@ export class App {
                 mediaData = compressedImage;
             }
         }
-        let post = new Post(this.username, userID, postText, new Date(), mediaData, null, null, replyToID);
+        let post = new Post(this.username, userID, postText, new Date(), mediaData, null, null, replyToID, replyRootID);
         // this.posts.push(post);
         // localStorage.setItem(key, JSON.stringify(posts));
         addData(userID, post);
@@ -546,23 +613,21 @@ export class App {
         this.render();
     }
     getPeerID() {
-        let id = localStorage.getItem("peer_id");
+        const existing = localStorage.getItem("peer_id");
-        if (!id) {
+        if (existing)
+            return existing;
         console.log.apply(null, log(`Didn't find a peer ID, generating one`));
-            ;
+        const id = generateID();
-            id = generateID();
         localStorage.setItem("peer_id", id);
-        }
         return id;
     }
     getUserID() {
-        let id = localStorage.getItem("dandelion_id");
+        const existing = localStorage.getItem("dandelion_id");
-        if (!id) {
+        if (existing)
+            return existing;
         console.log.apply(null, log(`Didn't find a user ID, generating one`));
-            ;
+        const id = generateID();
-            id = generateID();
         localStorage.setItem("dandelion_id", id);
-        }
         return id;
     }
     hashIdToIndices(id) {
@@ -681,6 +746,14 @@ export class App {
             correctLevel: QRCode.CorrectLevel.H
         });
     }
+    hideInfo() {
+        const infoElement = document.getElementById('info');
+        if (infoElement && infoElement.style.display !== 'none') {
+            infoElement.style.display = 'none';
+            setLogVisibility(false);
+            this.showLog = false;
+        }
+    }
     showInfo() {
         let infoElement = document.getElementById('info');
         if (infoElement === null) {
@@ -717,6 +790,14 @@ export class App {
         homeButton.addEventListener('click', e => globalThis.location.href = `${globalThis.location.origin}/`);
         let profileButton = this.div('profile-button');
         profileButton.addEventListener('click', e => globalThis.location.href = `${globalThis.location.origin}/user/${this.userID}`);
+        let notificationsButton = this.div('notifications-button');
+        notificationsButton.addEventListener('click', () => {
+            this.hideInfo();
+            navContainer.classList.remove('active');
+            history.pushState({}, '', '/notifications');
+            this.getRoute();
+            this.render();
+        });
         let monitorButton = this.div('monitor_button');
         monitorButton.addEventListener('click', async () => {
             navContainer.classList.toggle('active');
@@ -725,9 +806,21 @@ export class App {
         let navContainer = this.div('nav-container');
         let burgerMenuButton = this.div('burger-menu-button');
         burgerMenuButton.addEventListener('click', e => navContainer.classList.toggle('active'));
+        let importFilePicker = document.getElementById('import-file-input');
+        importFilePicker?.addEventListener('change', async () => {
+            const file = importFilePicker.files?.[0];
+            if (!file)
+                return;
+            const buffer = await file.arrayBuffer();
+            await this.importPostsForUser(buffer);
+            importFilePicker.value = '';
+            this.userID = localStorage.getItem("dandelion_id") || this.userID;
+            this.username = localStorage.getItem("dandelion_username") || this.username;
+            this.render();
+        });
         let exportButton = this.button("export-button");
         exportButton.addEventListener('click', async (e) => {
-            await this.exportPostsForUser(this.userID);
+            await this.exportPostsForUser();
         });
         let composeButton = this.div('compose-button');
         composeButton.addEventListener('click', e => {
@@ -737,7 +830,7 @@ export class App {
         filePicker?.addEventListener('change', async (event) => {
             for (let file of filePicker.files) {
                 let buffer = await file.arrayBuffer();
-                await this.createPost(this.userID, 'image...', buffer, file.type);
+                await this.createPost(this.userID, 'image...', buffer, file.type, this.replyToID, this.replyRootID);
             }
             // Reset so that if they pick the same image again, we still get the change event.
             filePicker.value = '';
@@ -781,11 +874,18 @@ export class App {
             const dataTransfer = e.clipboardData;
             const file = dataTransfer.files[0];
             let buffer = await file.arrayBuffer();
-            await this.createPost(this.userID, 'image...', buffer, file.type);
+            await this.createPost(this.userID, 'image...', buffer, file.type, this.replyToID, this.replyRootID);
         });
-        postButton.addEventListener("click", () => {
+        const submitPost = () => {
-            this.createPost(userID, postText.value, undefined, undefined, this.replyToID);
+            this.createPost(userID, postText.value, undefined, undefined, this.replyToID, this.replyRootID);
             this.exitCompose();
+        };
+        postButton.addEventListener("click", submitPost);
+        postText.addEventListener("keydown", (e) => {
+            if ((e.metaKey || e.ctrlKey) && e.key === "Enter") {
+                e.preventDefault();
+                submitPost();
+            }
         });
         // updateApp.addEventListener("click", () => {
         //   registration?.active?.postMessage({ type: "update_app" });
@@ -795,18 +895,21 @@ export class App {
         // });
     }
     // Change this all to a template so we're not toggling state in this crazy way!
-    enterCompose(replyToID = null) {
+    enterCompose(replyToID = null, replyRootID = null) {
+        this.replyToID = replyToID;
+        this.replyRootID = replyRootID;
         if (replyToID) {
             this.renderComposeReplyArea(replyToID);
             document.getElementById("compose-reply-area").style.display = "block";
         }
-        replyToID = replyToID;
+        document.getElementById('compose').style.display = 'flex';
-        document.getElementById('compose').style.display = 'block';
         document.getElementById('textarea_post')?.focus();
         document.getElementById('compose-dimmer')?.classList.add("compose-dimmer-dimmed");
         document.body.classList.add("no-scroll");
     }
     exitCompose() {
+        this.replyToID = null;
+        this.replyRootID = null;
         let postText = document.getElementById("textarea_post");
         postText.value = "";
         document.getElementById('compose').style.display = 'none';
@@ -942,6 +1045,7 @@ export class App {
         this.sync.setArchive(this.isArchivePeer);
         this.connect();
         await this.initDB();
+        window.addEventListener('popstate', () => { this.hideInfo(); this.getRoute(); this.render(); });
         this.connectURL = `${document.location.origin}/connect/${this.userID}`;
         document.getElementById('connectURL').innerHTML = `<a href="${this.connectURL}">connect</a>`;
         let time = 0;
@@ -1042,6 +1146,11 @@ export class App {
                 compose.style.display = "none";
                 break;
             }
+            case App.Route.NOTIFICATIONS: {
+                this.posts = await getNotificationsForUser(this.userID);
+                document.getElementById('compose').style.display = "none";
+                break;
+            }
             default: {
                 console.log.apply(null, log("Render: got a route I didn't understand. Rendering HOME:", this.router.route));
                 this.posts = await this.loadPostsFromStorage(this.userID) ?? [];
@@ -1052,6 +1161,20 @@ export class App {
         if (!contentDiv) {
             throw new Error();
         }
+        if (this.router.route === App.Route.NOTIFICATIONS) {
+            contentDiv.innerHTML = '';
+            if (this.posts.length === 0) {
+                contentDiv.innerHTML = '<div style="padding:20px;color:gray">No notifications yet.</div>';
+            }
+            else {
+                let first = true;
+                for (const postRecord of this.posts) {
+                    contentDiv.appendChild(this.renderNotificationItem(postRecord.data, first));
+                    first = false;
+                }
+            }
+            return;
+        }
         if (this.posts.length === 0) {
             this.renderWelcome(contentDiv);
             return;
@@ -1074,13 +1197,18 @@ export class App {
         const fragment = document.createDocumentFragment();
         contentDiv.innerHTML = "";
         let count = 0;
+        const isPostView = this.router.route === App.Route.POST;
+        contentDiv.classList.toggle('post-view', isPostView);
+        const replyCountMap = await buildReplyCountMap();
         this.renderedPosts.clear();
         let first = true;
         for (let i = this.posts.length - 1; i >= 0; i--) {
             let postData = this.posts[i];
+            if (!isPostView && postData.data.reply_to_id)
+                continue;
             // this.postsSet.add(postData);
             // TODO return promises for all image loads and await those.
-            let post = this.renderPost(postData.data, first);
+            let post = this.renderPost(postData.data, first, replyCountMap.recursive.get(postData.data.post_id) ?? 0);
             first = false;
             // this.renderedPosts.set(postData.post_id, post);
             if (post) {
@@ -1095,6 +1223,36 @@ export class App {
             throw new Error("Couldn't get content div!");
         }
         contentDiv.appendChild(fragment);
+        if (isPostView && this.posts.length > 0) {
+            const currentPost = this.posts[0].data;
+            if (currentPost.root_id) {
+                const rootRecord = await getPostById(currentPost.root_id);
+                if (rootRecord) {
+                    const rootEl = this.renderPost(rootRecord.data, true, replyCountMap.recursive.get(rootRecord.data.post_id) ?? 0);
+                    contentDiv.insertBefore(rootEl, contentDiv.firstChild);
+                }
+            }
+            const renderReplies = async (postID, depth) => {
+                if (depth > 2)
+                    return;
+                const replies = await getRepliesForPost(postID);
+                // Top-level replies: newest first. Nested replies: oldest first (readable order).
+                if (depth === 0) {
+                    replies.sort((a, b) => new Date(b.data.post_timestamp).getTime() - new Date(a.data.post_timestamp).getTime());
+                }
+                else {
+                    replies.sort((a, b) => new Date(a.data.post_timestamp).getTime() - new Date(b.data.post_timestamp).getTime());
+                }
+                for (const reply of replies) {
+                    const el = this.renderPost(reply.data, false, replyCountMap.direct.get(reply.data.post_id) ?? 0);
+                    if (depth > 0)
+                        el.style.marginLeft = `${depth * 20}px`;
+                    contentDiv.appendChild(el);
+                    await renderReplies(reply.data.post_id, depth + 1);
+                }
+            };
+            await renderReplies(this.posts[0].data.post_id, currentPost.root_id ? 1 : 0);
+        }
         let renderTime = this.timerDelta();
         console.log.apply(null, log(`render took: ${renderTime.toFixed(2)}ms`));
         ;
@@ -1108,12 +1266,63 @@ export class App {
         deleteData(userID, postID);
         this.render();
     }
-    renderComposeReplyArea(replyToID) {
+    async renderComposeReplyArea(replyToID) {
-        let composeReplyArea = document.getElementById('compose-reply-area');
+        const composeReplyArea = document.getElementById('compose-reply-area');
-        composeReplyArea.innerText = replyToID;
+        composeReplyArea.innerHTML = '';
-        composeReplyArea.classList.add("show");
+        const record = await getPostById(replyToID);
+        if (!record)
+            return;
+        const postData = record.data;
+        const authorDiv = document.createElement('div');
+        authorDiv.className = 'compose-reply-author';
+        authorDiv.textContent = `@${postData.author}`;
+        composeReplyArea.appendChild(authorDiv);
+        const previewDiv = document.createElement('div');
+        previewDiv.className = 'compose-reply-preview';
+        const textDiv = document.createElement('div');
+        textDiv.className = 'compose-reply-preview-text';
+        textDiv.innerHTML = this.markedAvailable ? marked.parse(postData.text) : postData.text;
+        previewDiv.appendChild(textDiv);
+        if (postData.image_data) {
+            const img = document.createElement('img');
+            img.className = 'compose-reply-preview-image';
+            const blob = new Blob([postData.image_data]);
+            img.src = URL.createObjectURL(blob);
+            previewDiv.appendChild(img);
         }
-    renderPost(post, first) {
+        composeReplyArea.appendChild(previewDiv);
+    }
+    renderNotificationItem(post, first) {
+        const el = document.createElement('div');
+        el.style.cssText = 'padding: 8px 10px; cursor: pointer;';
+        if (!first)
+            el.innerHTML = '<hr>';
+        const authorDiv = document.createElement('div');
+        authorDiv.className = 'compose-reply-author';
+        authorDiv.textContent = `@${post.author} · ${post.post_timestamp.toLocaleDateString()}`;
+        el.appendChild(authorDiv);
+        const previewDiv = document.createElement('div');
+        previewDiv.className = 'compose-reply-preview';
+        const textDiv = document.createElement('div');
+        textDiv.className = 'compose-reply-preview-text';
+        textDiv.style.maxHeight = 'none';
+        textDiv.innerHTML = this.markedAvailable ? marked.parse(post.text) : post.text;
+        previewDiv.appendChild(textDiv);
+        if (post.image_data) {
+            const img = document.createElement('img');
+            img.className = 'compose-reply-preview-image';
+            img.src = URL.createObjectURL(new Blob([post.image_data]));
+            previewDiv.appendChild(img);
+        }
+        el.appendChild(previewDiv);
+        el.addEventListener('click', () => {
+            history.pushState({}, '', `/user/${post.author_id}/post/${post.post_id}`);
+            this.getRoute();
+            this.render();
+        });
+        return el;
+    }
+    renderPost(post, first, replyCount = 0) {
         if (!(post.hasOwnProperty("text"))) {
             throw new Error("Post is malformed!");
         }
@@ -1130,12 +1339,11 @@ export class App {
             await navigator.clipboard.writeText(shareUrl);
         };
         let replyButton = document.createElement('button');
-        replyButton.innerText = 'reply';
+        replyButton.innerText = replyCount > 0 ? `reply (${replyCount})` : 'reply';
         replyButton.onclick = async () => {
             console.log(`replying to post ${post.post_id}`);
-            this.enterCompose(post.post_id);
+            const rootID = post.root_id ?? post.post_id;
-            // let shareUrl = `${document.location.origin}/user/${post.author_id}/post/${post.post_id}`;
+            this.enterCompose(post.post_id, rootID);
-            // await navigator.clipboard.writeText(shareUrl)
         };
         let ownPost = post.author_id === this.userID;
         let markdown = post.text;
@@ -1150,7 +1358,8 @@ export class App {
             markdown = markdown.replace("<iframe", `<iframe style="width:100%;height:50px;display:none" onblur="this.style.display = 'inline';"`);
         }
         let userURL = `${document.location.origin}/user/${post.author_id}/`;
-        let postTemplate = `<div>${first ? '' : '<hr>'}
+        let postTemplate = `<div class="post-container">${first ? '' : '<hr>'}
+        <div class="post-body">
           <div>
             <span class='header' title='${timestamp}'><img class="logo" src="/static/favicon.ico"><a class="username" href="${userURL}">@${post.author}</a> -
               <span style="color:rgb(128,128,128)">${post.post_timestamp.toLocaleDateString()}</span>
@@ -1164,10 +1373,17 @@ export class App {
           ${ownPost ? `<span id="editButton"></span>` : ''}
           <span id="shareButton"></span>
           ${ownPost ? `<span id="deleteButton"></span>` : ''}
-
+        </div>
-
       </div>`;
         containerDiv.innerHTML = postTemplate;
+        const postBody = containerDiv.querySelector('.post-body');
+        postBody.addEventListener('click', (e) => {
+            if (e.target.closest('button, a'))
+                return;
+            history.pushState({}, '', `/user/${post.author_id}/post/${post.post_id}`);
+            this.getRoute();
+            this.render();
+        });
         if (ownPost) {
             containerDiv.querySelector('#deleteButton')?.appendChild(deleteButton);
             // containerDiv.querySelector('#editButton')?.appendChild(editButton);
@@ -1199,6 +1415,14 @@ export class App {
     getRoute() {
         let path = document.location.pathname;
         console.log.apply(null, log("router: path ", path));
+        if (path === '/notifications') {
+            this.router.route = App.Route.NOTIFICATIONS;
+            this.router.userID = '';
+            this.router.postID = '';
+            this.router.mediaID = '';
+            console.log.apply(null, log("router: NOTIFICATIONS"));
+            return;
+        }
         const regex = "(user/([a-zA-Z0-9\-]+)/?(post/([a-zA-Z0-9\-]+)?/?)?(media/([0-9]+)?)?)|(connect/([a-zA-Z0-9\-]+))";
         const match = path.match(new RegExp(regex));
         if (match) {
@@ -1221,6 +1445,12 @@ export class App {
                 }
             }
         }
+        else {
+            this.router.route = App.Route.HOME;
+            this.router.userID = '';
+            this.router.postID = '';
+            this.router.mediaID = '';
+        }
         console.log.apply(null, log("router: ", this.router.userID, this.router.postID, this.router.mediaID, App.Route[this.router.route]));
         // user = /user/<ID>
         // post = /user/<ID>/post/<ID>
@@ -1239,6 +1469,7 @@ export class App {
         Route[Route["GROUP"] = 8] = "GROUP";
         Route[Route["HOME"] = 16] = "HOME";
         Route[Route["CONNECT"] = 32] = "CONNECT";
+        Route[Route["NOTIFICATIONS"] = 64] = "NOTIFICATIONS";
     })(Route = App.Route || (App.Route = {}));
 })(App || (App = {}));
 ;

static/dataUtils.js

@@ -31,6 +31,18 @@ export async function compressString(input) {
     // Convert the compressed data to a Uint8Array
     return compressedArray;
 }
+export async function decompressBuffer(input) {
+    const decompressionStream = new DecompressionStream('gzip');
+    const writer = decompressionStream.writable.getWriter();
+    writer.write(new Uint8Array(input));
+    writer.close();
+    const decompressedBuffer = await new Response(decompressionStream.readable).arrayBuffer();
+    return new TextDecoder().decode(decompressedBuffer);
+}
+export async function base64ToArrayBuffer(base64) {
+    const response = await fetch("data:application/octet-stream;base64," + base64);
+    return response.arrayBuffer();
+}
 // Base58 character set
 // const BASE58_ALPHABET = '123456789ABCDEFGHJKLMNPQRSTUVWXYZabcdefghijkmnopqrstuvwxyz';
 // Base58 encoding

static/dataUtils.js.map

@@ -1 +1 @@
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static/db.js

@@ -356,6 +356,108 @@ export async function getAllIds(userID) {
         };
     });
 }
+export async function buildReplyCountMap() {
+    const children = new Map();
+    const knownUsers = [...(await indexedDB.databases())]
+        .map(db => db.name?.replace('user_', '')).filter(Boolean);
+    for (const userID of knownUsers) {
+        try {
+            const { store } = await getDBTransactionStore(userID);
+            const index = store.index("postReplyIndex");
+            const replies = await new Promise((resolve, reject) => {
+                const req = index.getAll();
+                req.onsuccess = () => resolve(req.result);
+                req.onerror = () => reject(req.error);
+            });
+            for (const r of replies) {
+                const parentID = r.data.reply_to_id;
+                const replyID = r.data.post_id;
+                if (parentID && replyID) {
+                    if (!children.has(parentID))
+                        children.set(parentID, []);
+                    children.get(parentID).push(replyID);
+                }
+            }
+        }
+        catch (_) { }
+    }
+    const direct = new Map();
+    for (const [parentID, kids] of children) {
+        direct.set(parentID, kids.length);
+    }
+    const countDescendants = (postID) => {
+        const kids = children.get(postID) ?? [];
+        return kids.reduce((sum, kid) => sum + 1 + countDescendants(kid), 0);
+    };
+    const recursive = new Map();
+    for (const postID of children.keys()) {
+        recursive.set(postID, countDescendants(postID));
+    }
+    return { direct, recursive };
+}
+export async function getPostById(postID) {
+    const knownUsers = [...(await indexedDB.databases())]
+        .map(db => db.name?.replace('user_', '')).filter(Boolean);
+    for (const userID of knownUsers) {
+        try {
+            const { store } = await getDBTransactionStore(userID);
+            const index = store.index("postIDIndex");
+            const result = await new Promise((resolve, reject) => {
+                const req = index.get(postID);
+                req.onsuccess = () => resolve(req.result);
+                req.onerror = () => reject(req.error);
+            });
+            if (result)
+                return result;
+        }
+        catch (_) { }
+    }
+    return undefined;
+}
+export async function getRepliesForPost(postID) {
+    const knownUsers = [...(await indexedDB.databases())]
+        .map(db => db.name?.replace('user_', '')).filter(Boolean);
+    let replies = [];
+    for (const userID of knownUsers) {
+        try {
+            const { store } = await getDBTransactionStore(userID);
+            const index = store.index("postReplyIndex");
+            const results = await new Promise((resolve, reject) => {
+                const req = index.getAll(postID);
+                req.onsuccess = () => resolve(req.result);
+                req.onerror = () => reject(req.error);
+            });
+            replies = replies.concat(results);
+        }
+        catch (_) { }
+    }
+    return replies;
+}
+export async function getNotificationsForUser(userID) {
+    const userPostIds = new Set(await getAllIds(userID));
+    const knownUsers = [...(await indexedDB.databases())]
+        .map(db => db.name?.replace('user_', '')).filter(Boolean);
+    let notifications = [];
+    for (const dbUserID of knownUsers) {
+        try {
+            const { store } = await getDBTransactionStore(dbUserID);
+            const index = store.index("postReplyIndex");
+            const results = await new Promise((resolve, reject) => {
+                const req = index.getAll();
+                req.onsuccess = () => resolve(req.result);
+                req.onerror = () => reject(req.error);
+            });
+            for (const r of results) {
+                if (r.data.reply_to_id && userPostIds.has(r.data.reply_to_id)) {
+                    notifications.push(r);
+                }
+            }
+        }
+        catch (_) { }
+    }
+    notifications.sort((a, b) => new Date(b.data.post_timestamp).getTime() - new Date(a.data.post_timestamp).getTime());
+    return notifications;
+}
 export async function getPostsByIds(userID, postIDs) {
     const { store } = await getDBTransactionStore(userID);
     const index = store.index("postIDIndex");

static/index.html

@@ -3,7 +3,7 @@
 
 <head>
   <meta charset="UTF-8" />
-  <meta name="viewport" content="width=device-width, initial-scale=1.0, user-scalable=no, maximum-scale=1">
+  <meta name="viewport" content="width=device-width, initial-scale=1.0, user-scalable=no, maximum-scale=1, interactive-widget=resizes-content">
 
   <title>Dandelion</title>
 
@@ -58,6 +58,10 @@
         <span class="nav-emoji emoji-fill" role="img" aria-label="Home">🏠</span>
         <span class="nav-label">Home</span>
       </a>
+      <a class="nav-item" id="notifications-button">
+        <span class="nav-emoji emoji-fill" role="img" aria-label="Notifications">🔔</span>
+        <span class="nav-label">Notifications</span>
+      </a>
       <!-- <a class="nav-item">
         <span class="nav-emoji" role="img" aria-label="Search">🔍</span>
         <span class="nav-label">Search</span>
@@ -87,6 +91,8 @@
 
       <div id="info" style="display:none">
         <button id="export-button">export</button>
+        <label for="import-file-input" id="import-button" class="button">import</label>
+        <input type="file" id="import-file-input" accept=".gz" style="display:none">
 
         <div id="profile">
           <span class="form_label">username:</span><span class="form_field" id="username"
@@ -129,7 +135,10 @@
 
 
   <div id="compose">
+    <div id="compose-header">
       <div id="button_cancel_post" class="link">Cancel</div>
+      <button id="button_post" class="button button-big">post</button>
+    </div>
 
     <div id="compose-reply-area"></div>
     <textarea cols="60" rows="6" id="textarea_post"></textarea>
@@ -138,11 +147,6 @@
         <label for="file-input" id="file-input-label" class="button button-big">photo</label>
         <input type="file" id="file-input" accept="image/*" multiple style="display:none">
       </div>
-
-      <div class="compose-right-buttons">
-        <!-- <button  id="button_add_pic" >🏞️</button> -->
-        <button id="button_post" class="button button-big">post</button>
-      </div>
     </div>
   </div>
 

static/main.css

@@ -4,7 +4,9 @@
 
 :root {
     --main-bg-color: white;
-    --main-hover-color: rgb(64, 64, 64) --border-color: rgb(132, 136, 138);
+    --main-hover-color: rgb(64, 64, 64);
+    --post-hover-color: rgb(32,32,32);
+    --border-color: rgb(132, 136, 138);
     --edge-color: rgb(60, 60, 60);
     --main-fg-color: black;
     --highlight-fg-color: rgb(255, 255, 255);
@@ -124,6 +126,24 @@ hr {
 
 .postImage {
     width: 100%;
+    max-height: 500px;
+    object-fit: contain;
+    object-position: left;
+}
+
+.post-view .postImage {
+    max-height: none;
+}
+
+.post-body {
+    border-radius: 4px;
+    padding: 4px;
+    transition: background-color 0.1s;
+    cursor: pointer;
+}
+
+.post-body:hover {
+    background-color: var(--post-hover-color);
 }
 
 #log {
@@ -277,6 +297,7 @@ iframe {
 
 #compose {
     display: none;
+    flex-direction: column;
     position: fixed;
     top: 5%;
     left: 50%;
@@ -296,8 +317,84 @@ iframe {
     box-shadow: 0 4px 15px rgba(0, 0, 0, 0.5);
 }
 
+#compose-header {
+    display: flex;
+    justify-content: space-between;
+    align-items: center;
+    padding: 4px 8px;
+}
+
+@media (pointer: coarse) {
+    #compose {
+        top: 0;
+        width: 100%;
+        height: 100dvh;
+        max-height: 100dvh;
+        box-sizing: border-box;
+        overflow-y: hidden;
+        border: none;
+        border-radius: 0;
+        box-shadow: none;
+    }
+
+    #textarea_post {
+        flex: 1;
+        min-height: 0;
+        height: auto;
+        max-height: none;
+        resize: none;
+        border: none;
+    }
+
+    #textarea_post:focus {
+        outline: none;
+    }
+
+    #compose-reply-area {
+        border-bottom: 1px solid var(--border-color);
+        margin-bottom: 0;
+    }
+}
+
 #compose-reply-area {
     display: none;
+    padding: 8px 10px;
+    margin-bottom: 8px;
+    font-size: 0.85em;
+}
+
+.compose-reply-author {
+    font-weight: bold;
+    font-size: 0.85em;
+    margin-bottom: 2px;
+}
+
+.compose-reply-preview {
+    display: flex;
+    gap: 10px;
+    align-items: flex-start;
+}
+
+.compose-reply-preview-text {
+    flex: 1;
+    overflow: hidden;
+    max-height: 80px;
+}
+
+.compose-reply-preview-text iframe {
+    height: 68px;
+    pointer-events: none;
+}
+
+.compose-reply-preview-image {
+    width: 96px;
+    height: 96px;
+    max-width: 96px;
+    max-height: 96px;
+    object-fit: cover;
+    object-position: top;
+    border-radius: 4px;
+    flex-shrink: 0;
 }
 
 .show {
@@ -322,7 +419,7 @@ iframe {
     /* border-right: 1px solid rgb(60, 60, 60); */
     /* transition: width 0.3s; */
     overflow: hidden;
-    width: 130px;
+    width: 185px;
     margin-right: 5px;
 }
 

static/main.js

@@ -689,7 +689,7 @@ class App {
         let compressedData = await compressString(JSON.stringify(output));
         const d = new Date();
         const timestamp = `${d.getFullYear()}_${String(d.getMonth() + 1).padStart(2, '0')}_${String(d.getDate()).padStart(2, '0')}_${String(d.getHours()).padStart(2, '0')}_${String(d.getMinutes()).padStart(2, '0')}_${String(d.getSeconds()).padStart(2, '0')}`;
-        this.downloadBinary(compressedData, `ddln_${this.username}_export_${timestamp}.json.gz`);
+        this.downloadBinary(compressedData.buffer, `ddln_${this.username}_export_${timestamp}.json.gz`);
     }
     async importTweetArchive(userID, tweetArchive) {
         log("Importing tweet archive");

static/sw.js

@@ -30,82 +30,43 @@ self.addEventListener("install", (e) => {
         }
     })());
 });
-async function staleWhileRevalidate(event) {
+async function fetchAndUpdateCache(request) {
-    let cache = await caches.open(cacheName);
+    debugLog && console.log('Service Worker: Fetching', request.url);
-    let response = await cache.match(event.request);
+    let networkResponse;
-    if (response) {
-        debugLog ? console.log('Service Worker: Cache hit', event.request.url) : null;
-    }
-    const fetchPromise = (async () => {
-        debugLog ? console.log('Service Worker: Fetching', event.request.url) : null;
-        let networkResponse = null;
     try {
-            networkResponse = await fetch(event.request);
+        networkResponse = await fetch(request);
     }
     catch (e) {
-            debugLog ? console.log('Service Worker: Failed to fetch', e) : null;
+        debugLog && console.log('Service Worker: Failed to fetch', e);
         return new Response('Network error occurred', {
             status: 404,
             statusText: 'Cache miss and fetch failed',
             headers: { 'Content-Type': 'text/plain' }
         });
     }
-        debugLog ? console.log('Service Worker: Updating cache', event.request.url) : null;
+    debugLog && console.log('Service Worker: Updating cache', request.url);
+    const cache = await caches.open(cacheName);
     try {
-            await cache.put(event.request, networkResponse.clone());
+        await cache.put(request, networkResponse.clone());
     }
     catch (e) {
-            debugLog ? console.log('Service Worker: failed to update cache', event.request.url, e) : null;
+        debugLog && console.log('Service Worker: failed to update cache', request.url, e);
     }
-        debugLog ? console.log('Service Worker: Returning networkResponse', event.request.url) : null;
     return networkResponse;
-    })();
-    debugLog ? console.log('Service Worker: Returning return response || fetchPromise', event.request.url) : null;
-    return response || fetchPromise;
-    // if (networkResponse) {
-    //   cache.put(event.request, networkResponse.clone())
-    //   return networkResponse;
-    // }
-    // caches.open(cacheName)
-    //   .then(function (cache) {
-    //     return cache.match(event.request)
-    //       .then(function (response) {
-    //         var fetchPromise = fetch(event.request)
-    //           .then(function (networkResponse) {
-    //             cache.put(event.request, networkResponse.clone());
-    //             return networkResponse;
-    //           });
-    //         return response || fetchPromise;
-    //       });
-    //   })
 }
-// async function responder(event: any) {
-//   debugLog ? console.log('Fetching', event.request.url) : null;
-//   let response = await fetch(event.request);
-//   if (!response) {
-//     debugLog ? console.log('Fetch failed, falling back to cache', event.request.url) : null;
-//     let cacheMatch = await caches.match(event.request);
-//     if (!cacheMatch) {
-//       // DUnno what to return here!
-//     }
-//     return cacheMatch;
-//   }
-//   if (response.status === 206) {
-//     debugLog ? console.log('Not caching partial content') : null;
-//     return response;
-//   }
-//   debugLog ? console.log('Fetch successful, updating cache', event.request.url) : null;
-//   const cache = await caches.open(cacheName);
-//   try {
-//     cache.put(event.request, response.clone()).catch((error) => debugLog ? console.log('failed to cache', event.request, error)) : null;
-//   } catch (e) {
-//     console.log('failed to cache', event.request)
-//   }
-//   return response;
-// }
 self.addEventListener('fetch', function (event) {
-    event.respondWith(staleWhileRevalidate(event));
+    const networkFetch = fetchAndUpdateCache(event.request);
-    // event.respondWith(responder(event));
+    event.respondWith(async function () {
+        const cache = await caches.open(cacheName);
+        const cached = await cache.match(event.request);
+        if (cached) {
+            debugLog && console.log('Service Worker: Cache hit', event.request.url);
+            return cached;
+        }
+        return networkFetch;
+    }());
+    // Keep the SW alive until the background cache update finishes
+    event.waitUntil(networkFetch);
 });
 addEventListener("message", async (e) => {
     debugLog ? console.log(`Message received:`, e.data) : null;

static/sw.js.map

@@ -1 +1 @@
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+{"version":3,"file":"sw.js","sourceRoot":"","sources":["../src/sw.ts"],"names":[],"mappings":";AAAA,MAAM,QAAQ,GAAG,KAAK,CAAC;AACvB,yBAAyB;AACzB,MAAM,SAAS,GAAG,oBAAoB,CAAC;AAEvC,MAAM,cAAc,GAAG;IACrB,oBAAoB;IACpB,kBAAkB;IAClB,kBAAkB;IAClB,2BAA2B;IAC3B,2BAA2B;IAC3B,eAAe;IACf,wBAAwB;IACxB,oBAAoB;IACpB,sBAAsB;IACtB,gBAAgB;IAChB,iBAAiB;IACjB,oBAAoB;IACpB,gBAAgB;IAChB,qBAAqB;CACtB,CAAC;AAEF,IAAI,CAAC,gBAAgB,CAAC,SAAS,EAAE,CAAC,CAAM,EAAE,EAAE;IAC1C,CAAC,CAAC,SAAS,CACT,CAAC,KAAK,IAAI,EAAE;QACV,MAAM,KAAK,GAAG,MAAM,MAAM,CAAC,IAAI,CAAC,SAAS,CAAC,CAAC;QAC3C,OAAO,CAAC,GAAG,CACT,qDAAqD,EACrD,cAAc,CACf,CAAC;QAEF,IAAI,CAAC;YACH,MAAM,KAAK,CAAC,MAAM,CAAC,cAAc,CAAC,CAAC;QACrC,CAAC;QAAC,OAAO,CAAC,EAAE,CAAC;YACX,QAAQ,CAAC,CAAC,CAAC,OAAO,CAAC,GAAG,CAAC,CAAC,CAAC,CAAC,CAAC,CAAC,IAAI,CAAC;QACnC,CAAC;IACH,CAAC,CAAC,EAAE,CACL,CAAC;AACJ,CAAC,CAAC,CAAC;AAGH,KAAK,UAAU,mBAAmB,CAAC,OAAgB;IACjD,QAAQ,IAAI,OAAO,CAAC,GAAG,CAAC,0BAA0B,EAAE,OAAO,CAAC,GAAG,CAAC,CAAC;IACjE,IAAI,eAAyB,CAAC;IAC9B,IAAI,CAAC;QACH,eAAe,GAAG,MAAM,KAAK,CAAC,OAAO,CAAC,CAAC;IACzC,CAAC;IAAC,OAAO,CAAC,EAAE,CAAC;QACX,QAAQ,IAAI,OAAO,CAAC,GAAG,CAAC,iCAAiC,EAAE,CAAC,CAAC,CAAC;QAC9D,OAAO,IAAI,QAAQ,CAAC,wBAAwB,EAAE;YAC5C,MAAM,EAAE,GAAG;YACX,UAAU,EAAE,6BAA6B;YACzC,OAAO,EAAE,EAAE,cAAc,EAAE,YAAY,EAAE;SAC1C,CAAC,CAAC;IACL,CAAC;IACD,QAAQ,IAAI,OAAO,CAAC,GAAG,CAAC,gCAAgC,EAAE,OAAO,CAAC,GAAG,CAAC,CAAC;IACvE,MAAM,KAAK,GAAG,MAAM,MAAM,CAAC,IAAI,CAAC,SAAS,CAAC,CAAC;IAC3C,IAAI,CAAC;QACH,MAAM,KAAK,CAAC,GAAG,CAAC,OAAO,EAAE,eAAe,CAAC,KAAK,EAAE,CAAC,CAAC;IACpD,CAAC;IAAC,OAAO,CAAC,EAAE,CAAC;QACX,QAAQ,IAAI,OAAO,CAAC,GAAG,CAAC,wCAAwC,EAAE,OAAO,CAAC,GAAG,EAAE,CAAC,CAAC,CAAC;IACpF,CAAC;IACD,OAAO,eAAe,CAAC;AACzB,CAAC;AAED,IAAI,CAAC,gBAAgB,CAAC,OAAO,EAAE,UAAU,KAAU;IACjD,MAAM,YAAY,GAAG,mBAAmB,CAAC,KAAK,CAAC,OAAO,CAAC,CAAC;IAExD,KAAK,CAAC,WAAW,CAAC,KAAK;QACrB,MAAM,KAAK,GAAG,MAAM,MAAM,CAAC,IAAI,CAAC,SAAS,CAAC,CAAC;QAC3C,MAAM,MAAM,GAAG,MAAM,KAAK,CAAC,KAAK,CAAC,KAAK,CAAC,OAAO,CAAC,CAAC;QAChD,IAAI,MAAM,EAAE,CAAC;YACX,QAAQ,IAAI,OAAO,CAAC,GAAG,CAAC,2BAA2B,EAAE,KAAK,CAAC,OAAO,CAAC,GAAG,CAAC,CAAC;YACxE,OAAO,MAAM,CAAC;QAChB,CAAC;QACD,OAAO,YAAY,CAAC;IACtB,CAAC,EAAE,CAAC,CAAC;IAEL,+DAA+D;IAC/D,KAAK,CAAC,SAAS,CAAC,YAAY,CAAC,CAAC;AAChC,CAAC,CAAC,CAAC;AAEH,gBAAgB,CAAC,SAAS,EAAE,KAAK,EAAE,CAAC,EAAE,EAAE;IACtC,QAAQ,CAAC,CAAC,CAAC,OAAO,CAAC,GAAG,CAAC,mBAAmB,EAAE,CAAC,CAAC,IAAI,CAAC,CAAC,CAAC,CAAC,IAAI,CAAC;IAE3D,QAAQ,CAAC,CAAC,IAAI,CAAC,IAAI,EAAE,CAAC;QACpB,KAAK,YAAY;YACf,MAAM,KAAK,GAAG,MAAM,MAAM,CAAC,IAAI,CAAC,SAAS,CAAC,CAAC;YAC3C,QAAQ,CAAC,CAAC,CAAC,OAAO,CAAC,GAAG,CAAC,oCAAoC,CAAC,CAAC,CAAC,CAAC,IAAI,CAAC;YACpE,yCAAyC;YAEzC,KAAK,IAAI,IAAI,IAAI,cAAc,EAAE,CAAC;gBAChC,KAAK,CAAC,MAAM,CAAC,IAAI,CAAC,CAAC;YACrB,CAAC;YAED,MAAM,KAAK,CAAC,MAAM,CAAC,cAAc,CAAC,CAAC;YACnC,MAAM;IACV,CAAC;AACH,CAAC,CAAC,CAAC"}

stop.sh

@@ -0,0 +1,2 @@
+#!/bin/bash
+tmux kill-session -t dandelion 2>/dev/null && echo "Stopped." || echo "Not running."

tsconfig.json

@@ -45,8 +45,15 @@
 
     /* Module Resolution Options */
     // "moduleResolution": "node",                  /* Specify module resolution strategy: 'node' (Node.js) or 'classic' (TypeScript pre-1.6). */
-    // "baseUrl": "./",                             /* Base directory to resolve non-absolute module names. */
+    "paths": {
-    // "paths": {},                                 /* A series of entries which re-map imports to lookup locations relative to the 'baseUrl'. */
+      "App":         ["./src/App.ts"],
+      "IDUtils":     ["./src/IDUtils.ts"],
+      "PeerManager": ["./src/PeerManager.ts"],
+      "Sync":        ["./src/Sync.ts"],
+      "db":          ["./src/db.ts"],
+      "dataUtils":   ["./src/dataUtils.ts"],
+      "log":         ["./src/log.ts"]
+    },
     // "rootDirs": [],                              /* List of root folders whose combined content represents the structure of the project at runtime. */
     // "typeRoots": [],                             /* List of folders to include type definitions from. */
     // "types": [],                                 /* Type declaration files to be included in compilation. */