618 lines
22 KiB
JavaScript
618 lines
22 KiB
JavaScript
import { renderHeader } from '../components/header.js';
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import { channelPosts, channels } from '../mock-data.js';
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import {
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addLocalChannelPost,
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authService,
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getLocalChannelPosts,
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getMessageReactionState,
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setMessageReactionState,
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state,
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} from '../state.js';
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import { toUserMessage } from '../services/ui-error-texts.js';
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export const pageMeta = { id: 'channel-view', title: 'Канал' };
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const ZERO64 = '0'.repeat(64);
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const pendingReactionActions = new Set();
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function isChannelsDemoMode() {
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try {
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const qs = new URLSearchParams(window.location.search);
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if (qs.get('channelsDemo') === '1') return true;
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return localStorage.getItem('shine-channels-demo') === '1';
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} catch {
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return false;
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}
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}
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function encodeRoutePart(value = '') {
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return encodeURIComponent(String(value));
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}
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function normalizeRouteHash(hash) {
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const normalized = String(hash || '').trim().toLowerCase();
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return normalized || '0';
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}
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function normalizeMessageHash(hash) {
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const normalized = String(hash || '').trim().toLowerCase();
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if (!/^[0-9a-f]{64}$/.test(normalized)) return '';
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if (/^0+$/.test(normalized)) return '';
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return normalized;
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}
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function toSafeInt(value) {
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const parsed = Number(value);
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return Number.isFinite(parsed) ? parsed : null;
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}
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function makeReactionActionKey(messageRef) {
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const login = String(state.session.login || '').trim().toLowerCase();
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const blockchainName = String(messageRef?.blockchainName || '').trim();
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const blockNumber = Number(messageRef?.blockNumber);
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const blockHash = normalizeMessageHash(messageRef?.blockHash);
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if (!login || !blockchainName || !Number.isFinite(blockNumber) || blockNumber < 0 || !blockHash) return '';
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return `${login}|${blockchainName}|${blockNumber}|${blockHash}`;
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}
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function buildSelectorFromRoute(route, channelId) {
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const params = route?.params || {};
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if (params.ownerBlockchainName) {
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const rootBlockNumber = toSafeInt(params.channelRootBlockNumber);
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if (rootBlockNumber != null) {
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return {
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ownerBlockchainName: String(params.ownerBlockchainName),
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channelRootBlockNumber: rootBlockNumber,
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channelRootBlockHash: normalizeRouteHash(params.channelRootBlockHash),
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};
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}
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}
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const summary = channelId ? state.channelsIndex[channelId] : null;
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if (!summary) return null;
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return {
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ownerBlockchainName: summary.channel?.ownerBlockchainName,
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channelRootBlockNumber: summary.channel?.channelRoot?.blockNumber,
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channelRootBlockHash: normalizeRouteHash(summary.channel?.channelRoot?.blockHash),
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};
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}
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function localPostsKey(selector, channelId) {
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if (selector?.ownerBlockchainName && selector?.channelRootBlockNumber != null) {
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return `${selector.ownerBlockchainName}:${selector.channelRootBlockNumber}`;
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}
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return channelId || '';
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}
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function buildThreadRoute(messageRef, selector) {
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if (!messageRef || !selector) return '';
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return [
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'channel-thread-view',
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encodeRoutePart(messageRef.blockchainName),
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messageRef.blockNumber,
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normalizeRouteHash(messageRef.blockHash),
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encodeRoutePart(selector.ownerBlockchainName),
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selector.channelRootBlockNumber,
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normalizeRouteHash(selector.channelRootBlockHash),
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].join('/');
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}
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function firstNonEmptyText(...candidates) {
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for (const candidate of candidates) {
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if (typeof candidate !== 'string') continue;
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const trimmed = candidate.trim();
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if (trimmed.length > 0) return candidate;
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}
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return '';
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}
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function latestVersionText(versions) {
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if (!Array.isArray(versions)) return '';
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for (let i = versions.length - 1; i >= 0; i -= 1) {
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const version = versions[i];
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const value = firstNonEmptyText(version?.text, version?.message, version?.body);
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if (value) return value;
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}
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return '';
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}
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function resolveMessageText(message) {
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return firstNonEmptyText(
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message?.text,
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message?.message,
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message?.body,
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latestVersionText(message?.versions),
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);
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}
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function mapApiMessageToPost(message, selector) {
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const blockNumber = toSafeInt(message?.messageRef?.blockNumber);
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const blockHash = normalizeMessageHash(message?.messageRef?.blockHash);
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const messageBch = String(message?.authorBlockchainName || selector?.ownerBlockchainName || '').trim();
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const hasRef = !!(messageBch && blockNumber != null && blockHash);
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const resolvedText = resolveMessageText(message);
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const messageRef = hasRef
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? {
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blockchainName: messageBch,
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blockNumber,
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blockHash,
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}
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: null;
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if (messageRef) {
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setMessageReactionState(messageRef, message?.likedByMe === true ? 'liked' : 'unliked');
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}
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return {
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title: `${message?.authorLogin || 'автор'} - #${blockNumber ?? '?'}`,
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body: resolvedText || '(пусто)',
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likesCount: Number(message?.likesCount || 0),
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repliesCount: Number(message?.repliesCount || 0),
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messageRef,
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reactionState: messageRef ? getMessageReactionState(messageRef) : '',
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};
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}
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function findMockChannel(channelId) {
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const fallback = channels[0] || {
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id: 'ch0',
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name: 'Неизвестный канал',
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description: 'Описание отсутствует',
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ownerName: 'неизвестно',
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ownerLogin: '',
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displayName: 'неизвестно/Неизвестный канал',
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};
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const channel = channels.find((c) => c.id === channelId) || fallback;
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return {
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channel,
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posts: [
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...(channelPosts[channel.id] || []).map((post) => ({ title: post.title, body: post.body })),
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...getLocalChannelPosts(channelId),
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],
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isOwnChannel: channel.ownerLogin === '@shine.alex',
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selector: null,
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localKey: channelId,
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};
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}
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function openReplyModal({ onSubmit }) {
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const root = document.getElementById('modal-root');
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root.innerHTML = `
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<div class="modal" id="reply-modal">
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<div class="modal-card stack">
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<h3 class="modal-title">Ответ</h3>
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<textarea id="reply-text" class="input" rows="5" maxlength="2000" placeholder="Текст ответа"></textarea>
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<div class="meta-muted inline-error" id="reply-error"></div>
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<div class="form-actions-grid">
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<button class="secondary-btn" id="reply-cancel" type="button">Отмена</button>
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<button class="primary-btn" id="reply-submit" type="button">Отправить</button>
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</div>
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</div>
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</div>
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`;
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const textEl = root.querySelector('#reply-text');
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const errorEl = root.querySelector('#reply-error');
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const close = () => {
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root.innerHTML = '';
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};
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root.querySelector('#reply-cancel').addEventListener('click', close);
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root.querySelector('#reply-submit').addEventListener('click', async () => {
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const text = String(textEl?.value || '').trim();
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if (!text) {
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errorEl.textContent = 'Введите текст ответа.';
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return;
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}
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try {
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await onSubmit(text);
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close();
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} catch (error) {
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errorEl.textContent = toUserMessage(error, 'Не удалось отправить ответ.');
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}
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});
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if (textEl) textEl.focus();
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}
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function openAddMessageModal({ channelName, onSubmit }) {
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const root = document.getElementById('modal-root');
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root.innerHTML = `
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<div class="modal" id="channel-message-modal">
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<div class="modal-card stack">
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<h3 class="modal-title">Новое сообщение в канале</h3>
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<p class="meta-muted"># ${channelName}</p>
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<textarea id="channel-message-text" class="input" rows="6" maxlength="2000" placeholder="Текст сообщения"></textarea>
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<div class="meta-muted inline-error" id="channel-message-error"></div>
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<div class="form-actions-grid">
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<button class="secondary-btn" id="channel-message-cancel" type="button">Отмена</button>
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<button class="primary-btn" id="channel-message-submit" type="button">Отправить</button>
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</div>
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</div>
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</div>
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`;
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const textEl = root.querySelector('#channel-message-text');
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const errorEl = root.querySelector('#channel-message-error');
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const close = () => {
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root.innerHTML = '';
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};
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root.querySelector('#channel-message-cancel').addEventListener('click', close);
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root.querySelector('#channel-message-submit').addEventListener('click', async () => {
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const body = String(textEl?.value || '').trim();
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if (!body) {
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errorEl.textContent = 'Введите текст сообщения.';
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return;
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}
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try {
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await onSubmit({
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title: `${state.session.login || 'вы'} - сейчас`,
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body,
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});
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close();
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} catch (error) {
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errorEl.textContent = toUserMessage(error, 'Не удалось отправить сообщение.');
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}
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});
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if (textEl) textEl.focus();
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}
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function renderPostCard(post, { navigate, selector, onToggleLike, onReply }) {
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const card = document.createElement('article');
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card.className = 'card stack channel-message-card';
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const stats = document.createElement('p');
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stats.className = 'channel-message-stats';
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stats.textContent = `Лайки: ${post.likesCount || 0}, ответы: ${post.repliesCount || 0}`;
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card.innerHTML = `<strong class="channel-message-title">${post.title}</strong><p class="channel-message-body">${post.body}</p>`;
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card.append(stats);
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if (!post.messageRef || !selector) return card;
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const actionKey = makeReactionActionKey(post.messageRef);
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const isPending = actionKey ? pendingReactionActions.has(actionKey) : false;
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const actions = document.createElement('div');
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actions.className = 'channel-message-actions';
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const likeButton = document.createElement('button');
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likeButton.type = 'button';
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likeButton.className = 'secondary-btn channel-action-like';
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const isLiked = post.reactionState === 'liked';
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if (isLiked) likeButton.classList.add('is-liked');
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likeButton.textContent = isPending ? 'Выполняется...' : (isLiked ? 'Убрать лайк' : 'Лайк');
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likeButton.disabled = isPending;
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likeButton.addEventListener('click', async () => {
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if (isPending) return;
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await onToggleLike(post.messageRef, isLiked ? 'unlike' : 'like');
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});
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const replyButton = document.createElement('button');
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replyButton.type = 'button';
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replyButton.className = 'secondary-btn channel-action-reply';
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replyButton.textContent = 'Ответить';
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replyButton.addEventListener('click', () => {
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openReplyModal({
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onSubmit: async (text) => onReply(post.messageRef, text),
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});
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});
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const openThreadButton = document.createElement('button');
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openThreadButton.type = 'button';
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openThreadButton.className = 'secondary-btn channel-action-thread';
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openThreadButton.textContent = 'Открыть тред';
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openThreadButton.addEventListener('click', () => {
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const route = buildThreadRoute(post.messageRef, selector);
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if (route) navigate(route);
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});
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actions.append(likeButton, replyButton, openThreadButton);
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card.append(actions);
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return card;
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}
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function renderBody(screen, navigate, channelData, handlers) {
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const head = document.createElement('div');
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head.className = 'card channel-head-card';
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head.innerHTML = `
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<strong class="channel-head-title">${channelData.channel.displayName || channelData.channel.name}</strong>
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<p class="channel-head-meta">${channelData.channel.description}</p>
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<p class="channel-head-meta">Владелец: ${channelData.channel.ownerName}</p>
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<p class="channel-note">Состояние лайка обновляется после подтверждённого reread с сервера.</p>
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`;
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const actionButton = document.createElement('button');
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actionButton.className = channelData.isOwnChannel
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? 'primary-btn channel-main-action'
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: 'destructive-btn channel-main-action';
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actionButton.textContent = channelData.isOwnChannel ? 'Добавить сообщение' : 'Отписаться от канала';
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let followLimit = null;
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const feed = document.createElement('div');
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feed.className = 'stack channel-feed';
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channelData.posts.forEach((post) => {
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feed.append(renderPostCard(post, {
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navigate,
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selector: channelData.selector,
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onToggleLike: handlers.onToggleLike,
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onReply: handlers.onReply,
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}));
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});
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if (channelData.isOwnChannel) {
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actionButton.addEventListener('click', () => {
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openAddMessageModal({
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channelName: channelData.channel.name,
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onSubmit: async (post) => handlers.onAddPost(post),
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});
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});
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} else {
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followLimit = document.createElement('p');
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followLimit.className = 'channel-note';
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followLimit.textContent = 'Отписка удаляет только эту подписку на канал.';
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actionButton.addEventListener('click', handlers.onUnfollowChannel);
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}
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const backButton = document.createElement('button');
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backButton.className = 'secondary-btn channel-back-btn';
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backButton.textContent = 'Назад к каналам';
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backButton.addEventListener('click', () => navigate('channels-list'));
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if (followLimit) {
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screen.append(head, followLimit, actionButton, feed, backButton);
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return;
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}
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screen.append(head, actionButton, feed, backButton);
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}
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async function loadFromApi(route, channelId) {
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const selector = buildSelectorFromRoute(route, channelId);
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if (!selector?.ownerBlockchainName || selector.channelRootBlockNumber == null) {
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throw new Error('Не удалось определить канал из адреса страницы.');
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}
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const payload = await authService.getChannelMessages(selector, 200, 'asc', state.session.login);
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const localKey = localPostsKey(selector, channelId);
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const posts = [
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...(payload.messages || []).map((message) => mapApiMessageToPost(message, selector)),
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...getLocalChannelPosts(localKey),
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];
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return {
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channel: {
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name: payload.channel?.channelName || 'неизвестный канал',
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displayName: `${payload.channel?.ownerLogin || 'неизвестно'}/${payload.channel?.channelName || 'неизвестный канал'}`,
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description: `bch=${payload.channel?.ownerBlockchainName || selector.ownerBlockchainName}`,
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ownerName: payload.channel?.ownerLogin || 'неизвестно',
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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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selector,
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localKey,
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};
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}
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function renderLoadError(screen, navigate, message, onRetry) {
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const card = document.createElement('div');
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card.className = 'card stack channels-status';
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card.innerHTML = `
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<strong>Не удалось загрузить канал</strong>
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<p class="meta-muted">${message || 'Проверьте подключение к серверу и повторите попытку.'}</p>
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`;
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const retry = document.createElement('button');
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retry.type = 'button';
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retry.className = 'primary-btn';
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retry.textContent = 'Повторить';
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retry.addEventListener('click', onRetry);
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const back = document.createElement('button');
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back.type = 'button';
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back.className = 'secondary-btn';
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back.textContent = 'Назад к каналам';
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back.addEventListener('click', () => navigate('channels-list'));
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card.append(retry, back);
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screen.append(card);
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}
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function renderDemoFallback(screen, navigate, channelId, error) {
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const info = document.createElement('div');
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info.className = 'card stack';
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info.innerHTML = `
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<strong>Включен демо-режим</strong>
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<p class="meta-muted">Данные канала с сервера недоступны. Показан мок-канал, потому что включен channelsDemo.</p>
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<p class="meta-muted">${toUserMessage(error, 'Ошибка API/WS')}</p>
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`;
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screen.append(info);
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renderBody(screen, navigate, findMockChannel(channelId || 'ch1'), {
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onToggleLike: async () => {},
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onReply: async () => {},
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onAddPost: async (post) => {
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addLocalChannelPost(channelId || 'ch1', post);
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},
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onUnfollowChannel: () => {},
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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 || '';
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const routeSelector = buildSelectorFromRoute(route, channelId);
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const screen = document.createElement('section');
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screen.className = 'stack channels-screen channels-screen--channel';
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const fallbackName = channels.find((c) => c.id === channelId)?.name || 'Канал';
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const titleFromIndex = state.channelsIndex[channelId]?.channel?.channelName;
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const ownerFromIndex = state.channelsIndex[channelId]?.channel?.ownerLogin;
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const titleFromIndexDisplay = (ownerFromIndex && titleFromIndex) ? `${ownerFromIndex}/${titleFromIndex}` : titleFromIndex;
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const titleFromRoute = route.params.ownerBlockchainName ? String(route.params.ownerBlockchainName) : '';
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const headerTitle = `Канал: ${titleFromIndexDisplay || titleFromRoute || fallbackName}`;
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const userIndicator = document.createElement('div');
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userIndicator.className = 'card channels-user-chip';
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userIndicator.textContent = `Вы вошли как @${state.session.login || 'неизвестно'}`;
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const statusBox = document.createElement('div');
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statusBox.className = 'card status-line is-unavailable channels-status';
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statusBox.style.display = 'none';
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const rerender = () => {
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const current = document.querySelector('section.channels-screen--channel');
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if (!current) return;
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const next = render({ navigate, route });
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current.replaceWith(next);
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};
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const showStatus = (message) => {
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if (!message) {
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statusBox.style.display = 'none';
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statusBox.textContent = '';
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return;
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}
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statusBox.textContent = message;
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statusBox.style.display = '';
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};
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const requireSigningSession = () => {
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const login = state.session.login;
|
||
const storagePwd = state.session.storagePwdInMemory;
|
||
if (!login || !storagePwd) {
|
||
throw new Error('Сессия недействительна. Выполните вход заново.');
|
||
}
|
||
return { login, storagePwd };
|
||
};
|
||
|
||
const rereadChannel = async () => {
|
||
await loadFromApi(route, channelId);
|
||
};
|
||
|
||
const onToggleLike = async (messageRef, action) => {
|
||
const actionKey = makeReactionActionKey(messageRef);
|
||
if (!actionKey) {
|
||
throw new Error('Некорректная ссылка на сообщение для реакции.');
|
||
}
|
||
if (pendingReactionActions.has(actionKey)) return;
|
||
|
||
pendingReactionActions.add(actionKey);
|
||
rerender();
|
||
try {
|
||
const { login, storagePwd } = requireSigningSession();
|
||
if (action === 'unlike') {
|
||
await authService.addBlockUnlike({ login, storagePwd, message: messageRef });
|
||
} else {
|
||
await authService.addBlockLike({ login, storagePwd, message: messageRef });
|
||
}
|
||
await rereadChannel();
|
||
showStatus('');
|
||
} finally {
|
||
pendingReactionActions.delete(actionKey);
|
||
rerender();
|
||
}
|
||
};
|
||
|
||
const onReply = async (messageRef, text) => {
|
||
const { login, storagePwd } = requireSigningSession();
|
||
await authService.addBlockReply({ login, storagePwd, message: messageRef, text });
|
||
await rereadChannel();
|
||
rerender();
|
||
};
|
||
|
||
const onAddPost = async (post) => {
|
||
const { login, storagePwd } = requireSigningSession();
|
||
if (!routeSelector?.ownerBlockchainName || routeSelector.channelRootBlockNumber == null) {
|
||
throw new Error('Идентификатор канала не готов.');
|
||
}
|
||
|
||
await authService.addBlockTextPost({
|
||
login,
|
||
storagePwd,
|
||
channel: routeSelector,
|
||
text: post?.body || '',
|
||
});
|
||
await rereadChannel();
|
||
rerender();
|
||
};
|
||
|
||
screen.append(
|
||
renderHeader({
|
||
title: headerTitle,
|
||
leftAction: { label: '<', onClick: () => navigate('channels-list') },
|
||
})
|
||
);
|
||
screen.append(userIndicator, statusBox);
|
||
|
||
const loading = document.createElement('div');
|
||
loading.className = 'card meta-muted';
|
||
loading.textContent = 'Загрузка канала...';
|
||
screen.append(loading);
|
||
|
||
(async () => {
|
||
try {
|
||
const apiData = await loadFromApi(route, channelId);
|
||
loading.remove();
|
||
renderBody(screen, navigate, apiData, {
|
||
onToggleLike: async (messageRef, action) => {
|
||
try {
|
||
await onToggleLike(messageRef, action);
|
||
} catch (error) {
|
||
showStatus(toUserMessage(error, action === 'unlike' ? 'Не удалось убрать лайк.' : 'Не удалось поставить лайк.'));
|
||
}
|
||
},
|
||
onReply: async (messageRef, text) => {
|
||
try {
|
||
await onReply(messageRef, text);
|
||
showStatus('');
|
||
} catch (error) {
|
||
throw new Error(toUserMessage(error, 'Не удалось отправить ответ.'));
|
||
}
|
||
},
|
||
onAddPost: async (post) => {
|
||
try {
|
||
await onAddPost(post);
|
||
showStatus('');
|
||
} catch (error) {
|
||
throw new Error(toUserMessage(error, 'Не удалось добавить сообщение.'));
|
||
}
|
||
},
|
||
onUnfollowChannel: async () => {
|
||
try {
|
||
const { login, storagePwd } = requireSigningSession();
|
||
if (!apiData.selector) throw new Error('Не удалось определить канал для отписки.');
|
||
|
||
await authService.addBlockFollowChannel({
|
||
login,
|
||
storagePwd,
|
||
targetBlockchainName: apiData.selector.ownerBlockchainName,
|
||
targetBlockNumber: apiData.selector.channelRootBlockNumber,
|
||
targetBlockHashHex: apiData.selector.channelRootBlockHash,
|
||
unfollow: true,
|
||
});
|
||
|
||
navigate('channels-list');
|
||
} catch (error) {
|
||
showStatus(toUserMessage(error, 'Не удалось отписаться от канала.'));
|
||
}
|
||
},
|
||
});
|
||
} catch (error) {
|
||
loading.remove();
|
||
if (isChannelsDemoMode()) {
|
||
renderDemoFallback(screen, navigate, channelId, error);
|
||
return;
|
||
}
|
||
renderLoadError(screen, navigate, toUserMessage(error, 'Не удалось загрузить канал.'), rerender);
|
||
}
|
||
})();
|
||
|
||
return screen;
|
||
}
|