120 lines
4.1 KiB
JavaScript
120 lines
4.1 KiB
JavaScript
import { renderHeader } from '../components/header.js?v=20260330001044';
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import { channelPosts, channels } from '../mock-data.js?v=20260330001044';
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import { authService, state } from '../state.js?v=20260330001044';
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export const pageMeta = { id: 'channel-view', title: 'Канал' };
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function findMockChannel(channelId) {
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const channel = channels.find((c) => c.id === channelId) || channels[0];
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return {
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channel,
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posts: (channelPosts[channel.id] || []).map((post) => ({ title: post.title, body: post.body })),
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isOwnChannel: channel.ownerLogin === '@shine.alex',
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};
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}
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function mapApiMessageToPost(message) {
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return {
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title: `${message.authorLogin || 'author'} • #${message.messageRef?.blockNumber ?? '?'}`,
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body: message.text || '(пусто)',
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};
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}
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function renderBody(screen, navigate, channelData) {
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const head = document.createElement('div');
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head.className = 'card';
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head.innerHTML = `
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<strong># ${channelData.channel.name}</strong>
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<p class="meta-muted" style="margin-top:4px;">${channelData.channel.description}</p>
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<p class="meta-muted" style="margin-top:8px;">Владелец: ${channelData.channel.ownerName}</p>
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`;
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const actionButton = document.createElement('button');
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actionButton.className = channelData.isOwnChannel ? 'primary-btn' : 'secondary-btn';
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actionButton.textContent = channelData.isOwnChannel ? 'Добавить сообщение в канал' : 'Отписаться от канала';
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const feed = document.createElement('div');
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feed.className = 'stack';
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channelData.posts.forEach((post) => {
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const card = document.createElement('article');
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card.className = 'card stack';
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card.innerHTML = `<strong>${post.title}</strong><p class="meta-muted">${post.body}</p>`;
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feed.append(card);
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});
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const backButton = document.createElement('button');
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backButton.className = 'secondary-btn';
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backButton.textContent = 'Назад к списку';
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backButton.addEventListener('click', () => navigate('channels-list'));
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screen.append(head, actionButton, feed, backButton);
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}
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async function loadFromApi(channelId) {
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const summary = state.channelsIndex[channelId];
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if (!summary) return null;
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const selector = {
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ownerBlockchainName: summary.channel?.ownerBlockchainName,
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channelRootBlockNumber: summary.channel?.channelRoot?.blockNumber,
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channelRootBlockHash: summary.channel?.channelRoot?.blockHash,
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};
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if (!selector.ownerBlockchainName || selector.channelRootBlockNumber == null) return null;
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const payload = await authService.getChannelMessages(selector, 200, 'asc');
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const posts = (payload.messages || []).map(mapApiMessageToPost);
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return {
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channel: {
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name: payload.channel?.channelName || summary.channel?.channelName || 'unknown',
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description: `bch=${payload.channel?.ownerBlockchainName || selector.ownerBlockchainName}`,
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ownerName: payload.channel?.ownerLogin || summary.channel?.ownerLogin || 'unknown',
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},
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posts,
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isOwnChannel: (payload.channel?.ownerLogin || '').toLowerCase() === (state.session.login || '').toLowerCase(),
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};
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}
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export function render({ navigate, route }) {
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const channelId = route.params.channelId || 'ch1';
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const screen = document.createElement('section');
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screen.className = 'stack';
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const headerTitle = state.channelsIndex[channelId]?.channel?.channelName
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? `Канал: ${state.channelsIndex[channelId].channel.channelName}`
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: `Канал: ${(channels.find((c) => c.id === channelId) || channels[0]).name}`;
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screen.append(
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renderHeader({
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title: headerTitle,
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leftAction: { label: '←', onClick: () => navigate('channels-list') },
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})
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);
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const loading = document.createElement('div');
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loading.className = 'card meta-muted';
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loading.textContent = 'Загрузка канала...';
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screen.append(loading);
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(async () => {
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try {
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const apiData = await loadFromApi(channelId);
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loading.remove();
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if (apiData) {
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renderBody(screen, navigate, apiData);
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return;
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}
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} catch {
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// fallback to mock below
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}
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loading.remove();
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renderBody(screen, navigate, findMockChannel(channelId));
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})();
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return screen;
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}
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