mirror of
https://github.com/PR0M3TH3AN/bitvid.git
synced 2025-09-09 15:38:44 +00:00
444 lines
13 KiB
JavaScript
444 lines
13 KiB
JavaScript
// js/channelProfile.js
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import { nostrClient } from "./nostr.js";
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import { app } from "./app.js";
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import { initialBlacklist, initialWhitelist } from "./lists.js";
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import { isWhitelistEnabled } from "./config.js";
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/**
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* Initialize the channel profile view.
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* Called when #view=channel-profile is active.
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*/
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export async function initChannelProfileView() {
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// 1) Get npub from hash (e.g. #view=channel-profile&npub=...)
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const hashParams = new URLSearchParams(window.location.hash.slice(1));
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const npub = hashParams.get("npub");
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if (!npub) {
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console.error(
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"No npub found in hash. Example: #view=channel-profile&npub=npub1..."
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);
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return;
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}
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// 2) Decode npub => hex pubkey
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let hexPub;
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try {
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const decoded = window.NostrTools.nip19.decode(npub);
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if (decoded.type === "npub" && decoded.data) {
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hexPub = decoded.data;
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} else {
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throw new Error("Invalid npub decoding result.");
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}
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} catch (err) {
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console.error("Error decoding npub:", err);
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return;
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}
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// 3) Load user’s profile (banner, avatar, etc.)
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await loadUserProfile(hexPub);
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// 4) Load user’s videos (filtered + rendered like the home feed)
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await loadUserVideos(hexPub);
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}
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/**
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* Fetches and displays the user’s metadata (kind=0).
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*/
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async function loadUserProfile(pubkey) {
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try {
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const events = await nostrClient.pool.list(nostrClient.relays, [
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{ kinds: [0], authors: [pubkey], limit: 1 },
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]);
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if (events.length && events[0].content) {
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const meta = JSON.parse(events[0].content);
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// Banner
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const bannerEl = document.getElementById("channelBanner");
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if (bannerEl) {
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bannerEl.src = meta.banner || "assets/jpg/default-banner.jpg";
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}
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// Avatar
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const avatarEl = document.getElementById("channelAvatar");
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if (avatarEl) {
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avatarEl.src = meta.picture || "assets/svg/default-profile.svg";
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}
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// Channel Name
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const nameEl = document.getElementById("channelName");
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if (nameEl) {
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nameEl.textContent = meta.display_name || meta.name || "Unknown User";
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}
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// Channel npub
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const channelNpubEl = document.getElementById("channelNpub");
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if (channelNpubEl) {
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const userNpub = window.NostrTools.nip19.npubEncode(pubkey);
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channelNpubEl.textContent = userNpub;
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}
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// About/Description
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const aboutEl = document.getElementById("channelAbout");
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if (aboutEl) {
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aboutEl.textContent = meta.about || "";
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}
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// Website
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const websiteEl = document.getElementById("channelWebsite");
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if (websiteEl) {
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if (meta.website) {
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websiteEl.href = meta.website;
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websiteEl.textContent = meta.website;
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} else {
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websiteEl.textContent = "";
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websiteEl.removeAttribute("href");
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}
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}
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// Lightning Address
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const lnEl = document.getElementById("channelLightning");
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if (lnEl) {
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lnEl.textContent =
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meta.lud16 || meta.lud06 || "No lightning address found.";
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}
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} else {
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console.warn("No metadata found for this user.");
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}
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} catch (err) {
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console.error("Failed to fetch user profile data:", err);
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}
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}
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/**
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* Fetches and displays this user's videos (kind=30078),
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* filtering out older overshadowed notes, blacklisted, non‐whitelisted, etc.
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*/
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async function loadUserVideos(pubkey) {
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try {
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// 1) Build filter for videos from this pubkey
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const filter = {
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kinds: [30078],
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authors: [pubkey],
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"#t": ["video"],
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limit: 200,
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};
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// 2) Collect raw events from all relays
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const events = [];
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for (const url of nostrClient.relays) {
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try {
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const result = await nostrClient.pool.list([url], [filter]);
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events.push(...result);
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} catch (relayErr) {
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console.error(`Relay error (${url}):`, relayErr);
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}
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}
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// 3) Convert to "video" objects
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let videos = [];
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for (const evt of events) {
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const vid = localConvertEventToVideo(evt);
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if (!vid.invalid && !vid.deleted) {
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videos.push(vid);
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}
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}
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// 4) Deduplicate older overshadowed versions => newest only
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videos = dedupeToNewestByRoot(videos);
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// 5) Filter out blacklisted IDs / authors
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videos = videos.filter((video) => {
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// Event-level blacklisting
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if (app.blacklistedEventIds.has(video.id)) return false;
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// Author-level
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const authorNpub = app.safeEncodeNpub(video.pubkey) || video.pubkey;
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if (initialBlacklist.includes(authorNpub)) return false;
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if (isWhitelistEnabled && !initialWhitelist.includes(authorNpub)) {
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return false;
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}
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return true;
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});
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// 6) Sort newest first
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videos.sort((a, b) => b.created_at - a.created_at);
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// 7) Render them
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const container = document.getElementById("channelVideoList");
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if (!container) {
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console.warn("channelVideoList element not found in DOM.");
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return;
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}
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container.innerHTML = "";
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if (!videos.length) {
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container.innerHTML = `<p class="text-gray-500">No videos to display.</p>`;
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return;
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}
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const fragment = document.createDocumentFragment();
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const channelVideos = videos;
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// We'll need all known events for revert-check
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const allKnownEventsArray = Array.from(nostrClient.allEvents.values());
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channelVideos.forEach((video, index) => {
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// Private => decrypt if owned by the user
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if (
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video.isPrivate &&
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video.pubkey === nostrClient.pubkey &&
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!video.alreadyDecrypted
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) {
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video.magnet = fakeDecrypt(video.magnet);
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video.alreadyDecrypted = true;
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}
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// Check if user can edit
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const canEdit = video.pubkey === app.pubkey;
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let hasOlder = false;
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if (canEdit && video.videoRootId) {
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// Use the same hasOlderVersion approach as home feed
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hasOlder = app.hasOlderVersion(video, allKnownEventsArray);
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}
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// If there's an older overshadowed version, show revert
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const revertButton = hasOlder
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? `
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<button
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class="block w-full text-left px-4 py-2 text-sm text-red-400
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hover:bg-red-700 hover:text-white"
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data-revert-index="${index}"
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>
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Revert
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</button>
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`
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: "";
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// Gear menu
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let gearMenu = "";
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if (canEdit) {
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gearMenu = `
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<div class="relative inline-block ml-3 overflow-visible">
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<button
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type="button"
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class="inline-flex items-center p-2 rounded-full text-gray-400
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hover:text-gray-200 hover:bg-gray-800 focus:outline-none focus:ring-2
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focus:ring-blue-500"
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data-settings-dropdown="${index}"
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>
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<img
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src="assets/svg/video-settings-gear.svg"
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alt="Settings"
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class="w-5 h-5"
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/>
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</button>
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<div
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id="settingsDropdown-${index}"
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class="hidden absolute right-0 bottom-full mb-2 w-32
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rounded-md shadow-lg bg-gray-800 ring-1 ring-black ring-opacity-5 z-50"
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>
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<div class="py-1">
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<button
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class="block w-full text-left px-4 py-2 text-sm text-gray-100
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hover:bg-gray-700"
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data-edit-index="${index}"
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>
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Edit
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</button>
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${revertButton}
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<button
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class="block w-full text-left px-4 py-2 text-sm text-red-400
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hover:bg-red-700 hover:text-white"
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data-delete-all-index="${index}"
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>
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Delete All
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</button>
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</div>
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</div>
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</div>
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`;
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}
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// Fallback thumbnail
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const fallbackThumb = "assets/jpg/video-thumbnail-fallback.jpg";
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const safeThumb = video.thumbnail || fallbackThumb;
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// Build the card
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const cardEl = document.createElement("div");
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cardEl.classList.add(
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"bg-gray-900",
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"rounded-lg",
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"overflow-hidden",
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"shadow-lg",
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"hover:shadow-2xl",
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"transition-all",
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"duration-300"
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);
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cardEl.innerHTML = `
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<div class="cursor-pointer relative group">
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<div class="ratio-16-9">
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<img
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src="${fallbackThumb}"
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data-lazy="${escapeHTML(safeThumb)}"
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alt="${escapeHTML(video.title)}"
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/>
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</div>
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</div>
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<div class="p-4 flex items-center justify-between">
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<div>
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<h3
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class="text-lg font-bold text-white mb-2 line-clamp-2"
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data-play-magnet="${encodeURIComponent(video.magnet)}"
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>
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${escapeHTML(video.title)}
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</h3>
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<p class="text-sm text-gray-500">
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${new Date(video.created_at * 1000).toLocaleString()}
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</p>
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</div>
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${gearMenu}
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</div>
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`;
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// Clicking the card (except gear) => open video
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cardEl.addEventListener("click", () => {
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app.playVideoByEventId(video.id);
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});
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fragment.appendChild(cardEl);
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});
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container.appendChild(fragment);
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// Lazy-load
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const lazyEls = container.querySelectorAll("[data-lazy]");
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lazyEls.forEach((el) => app.mediaLoader.observe(el));
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// Gear menu toggles
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const gearButtons = container.querySelectorAll("[data-settings-dropdown]");
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gearButtons.forEach((btn) => {
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btn.addEventListener("click", (ev) => {
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ev.stopPropagation();
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const idx = btn.getAttribute("data-settings-dropdown");
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const dropdown = document.getElementById(`settingsDropdown-${idx}`);
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if (dropdown) {
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dropdown.classList.toggle("hidden");
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}
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});
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});
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// "Edit" handler
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const editBtns = container.querySelectorAll("[data-edit-index]");
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editBtns.forEach((btn) => {
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btn.addEventListener("click", (ev) => {
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ev.stopPropagation();
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const idx = parseInt(btn.getAttribute("data-edit-index"), 10);
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// Hide the dropdown
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const dropdown = document.getElementById(`settingsDropdown-${idx}`);
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if (dropdown) dropdown.classList.add("hidden");
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app.handleEditVideo(idx);
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});
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});
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// "Revert" handler
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const revertBtns = container.querySelectorAll("[data-revert-index]");
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revertBtns.forEach((btn) => {
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btn.addEventListener("click", (ev) => {
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ev.stopPropagation();
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const idx = parseInt(btn.getAttribute("data-revert-index"), 10);
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// Hide the dropdown
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const dropdown = document.getElementById(`settingsDropdown-${idx}`);
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if (dropdown) dropdown.classList.add("hidden");
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app.handleRevertVideo(idx);
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});
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});
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// "Delete All" handler
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const deleteAllBtns = container.querySelectorAll("[data-delete-all-index]");
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deleteAllBtns.forEach((btn) => {
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btn.addEventListener("click", (ev) => {
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ev.stopPropagation();
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const idx = parseInt(btn.getAttribute("data-delete-all-index"), 10);
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// Hide the dropdown
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const dropdown = document.getElementById(`settingsDropdown-${idx}`);
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if (dropdown) dropdown.classList.add("hidden");
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app.handleFullDeleteVideo(idx);
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});
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});
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} catch (err) {
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console.error("Error loading user videos:", err);
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}
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}
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/**
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* Minimal placeholder decryption for private videos.
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*/
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function fakeDecrypt(str) {
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return str.split("").reverse().join("");
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}
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/**
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* Deduplicate older overshadowed versions – return only the newest for each root.
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*/
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function dedupeToNewestByRoot(videos) {
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const map = new Map();
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for (const vid of videos) {
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const rootId = vid.videoRootId || vid.id;
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const existing = map.get(rootId);
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if (!existing || vid.created_at > existing.created_at) {
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map.set(rootId, vid);
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}
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}
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return Array.from(map.values());
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}
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/**
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* Convert a raw Nostr event => "video" object.
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*/
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function localConvertEventToVideo(event) {
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try {
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const content = JSON.parse(event.content || "{}");
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const isSupportedVersion = content.version >= 2;
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const hasRequiredFields = !!(content.title && content.magnet);
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if (!isSupportedVersion) {
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return { id: event.id, invalid: true, reason: "version <2" };
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}
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if (!hasRequiredFields) {
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return { id: event.id, invalid: true, reason: "missing title/magnet" };
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}
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return {
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id: event.id,
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videoRootId: content.videoRootId || event.id,
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version: content.version,
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isPrivate: content.isPrivate ?? false,
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title: content.title ?? "",
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magnet: content.magnet ?? "",
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thumbnail: content.thumbnail ?? "",
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description: content.description ?? "",
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mode: content.mode ?? "live",
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deleted: content.deleted === true,
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pubkey: event.pubkey,
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created_at: event.created_at,
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tags: event.tags,
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invalid: false,
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};
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} catch (err) {
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return { id: event.id, invalid: true, reason: "json parse error" };
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}
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}
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/**
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* Escape HTML to prevent injection or XSS.
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*/
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function escapeHTML(unsafe = "") {
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return unsafe
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.replace(/&/g, "&")
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.replace(/</g, "<")
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.replace(/>/g, ">")
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.replace(/"/g, """)
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.replace(/'/g, "'");
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}
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