File size: 7,723 Bytes
b66240d |
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 |
import apiClient from './apiClient.js';
class NewsView {
constructor(section) {
this.section = section;
this.tableBody = section.querySelector('[data-news-body]');
this.filterInput = section.querySelector('[data-news-search]');
this.rangeSelect = section.querySelector('[data-news-range]');
this.symbolFilter = section.querySelector('[data-news-symbol]');
this.modalBackdrop = section.querySelector('[data-news-modal]');
this.modalContent = section.querySelector('[data-news-modal-content]');
this.closeModalBtn = section.querySelector('[data-close-news-modal]');
this.dataset = [];
this.datasetMap = new Map();
}
async init() {
this.tableBody.innerHTML = '<tr><td colspan="6">Loading news...</td></tr>';
await this.loadNews();
this.bindEvents();
}
bindEvents() {
if (this.filterInput) {
this.filterInput.addEventListener('input', () => this.renderRows());
}
if (this.rangeSelect) {
this.rangeSelect.addEventListener('change', () => this.renderRows());
}
if (this.symbolFilter) {
this.symbolFilter.addEventListener('input', () => this.renderRows());
}
if (this.closeModalBtn) {
this.closeModalBtn.addEventListener('click', () => this.hideModal());
}
if (this.modalBackdrop) {
this.modalBackdrop.addEventListener('click', (event) => {
if (event.target === this.modalBackdrop) {
this.hideModal();
}
});
}
}
async loadNews() {
const result = await apiClient.getLatestNews(40);
if (!result.ok) {
this.tableBody.innerHTML = `<tr><td colspan="6"><div class="inline-message inline-error">${result.error}</div></td></tr>`;
return;
}
// Backend returns {success: true, news: [...], count: ...}, so access result.data.news
const data = result.data || {};
this.dataset = data.news || data || [];
this.datasetMap.clear();
this.dataset.forEach((item, index) => {
const rowId = item.id || `${item.title}-${index}`;
this.datasetMap.set(rowId, item);
});
this.renderRows();
}
renderRows() {
const searchTerm = (this.filterInput?.value || '').toLowerCase();
const symbolFilter = (this.symbolFilter?.value || '').toLowerCase();
const range = this.rangeSelect?.value || '24h';
const rangeMap = { '24h': 86_400_000, '7d': 604_800_000, '30d': 2_592_000_000 };
const limit = rangeMap[range] || rangeMap['24h'];
const filtered = this.dataset.filter((item) => {
const matchesText = `${item.title} ${item.summary}`.toLowerCase().includes(searchTerm);
const matchesSymbol = symbolFilter
? (item.symbols || []).some((symbol) => symbol.toLowerCase().includes(symbolFilter))
: true;
const published = new Date(item.published_at || item.date || Date.now()).getTime();
const withinRange = Date.now() - published <= limit;
return matchesText && matchesSymbol && withinRange;
});
if (!filtered.length) {
this.tableBody.innerHTML = '<tr><td colspan="6">No news for selected filters.</td></tr>';
return;
}
this.tableBody.innerHTML = filtered
.map((news, index) => {
const rowId = news.id || `${news.title}-${index}`;
this.datasetMap.set(rowId, news);
return `
<tr data-news-id="${rowId}">
<td>${new Date(news.published_at || news.date).toLocaleString()}</td>
<td>${news.source || 'N/A'}</td>
<td>${news.title}</td>
<td>${(news.symbols || []).map((s) => `<span class="chip">${s}</span>`).join(' ')}</td>
<td><span class="badge ${this.getSentimentClass(news.sentiment)}">${news.sentiment || 'Unknown'}</span></td>
<td>
<button class="ghost" data-news-summarize="${rowId}">Summarize</button>
</td>
</tr>
`;
})
.join('');
this.section.querySelectorAll('tr[data-news-id]').forEach((row) => {
row.addEventListener('click', () => {
const id = row.dataset.newsId;
const item = this.datasetMap.get(id);
if (item) {
this.showModal(item);
}
});
});
this.section.querySelectorAll('[data-news-summarize]').forEach((button) => {
button.addEventListener('click', (event) => {
event.stopPropagation();
const { newsSummarize } = button.dataset;
this.summarizeArticle(newsSummarize, button);
});
});
}
getSentimentClass(sentiment) {
switch ((sentiment || '').toLowerCase()) {
case 'bullish':
return 'badge-success';
case 'bearish':
return 'badge-danger';
default:
return 'badge-neutral';
}
}
async summarizeArticle(rowId, button) {
const item = this.datasetMap.get(rowId);
if (!item || !button) return;
button.disabled = true;
const original = button.textContent;
button.textContent = 'Summarizing…';
const payload = {
title: item.title,
body: item.body || item.summary || item.description || '',
source: item.source || '',
};
const result = await apiClient.summarizeNews(payload);
button.disabled = false;
button.textContent = original;
if (!result.ok) {
this.showModal(item, null, result.error);
return;
}
this.showModal(item, result.data?.analysis || result.data);
}
async showModal(item, analysis = null, errorMessage = null) {
if (!this.modalContent) return;
this.modalBackdrop.classList.add('active');
this.modalContent.innerHTML = `
<h3>${item.title}</h3>
<p class="text-muted">${new Date(item.published_at || item.date).toLocaleString()} • ${item.source || ''}</p>
<p>${item.summary || item.description || ''}</p>
<div class="chip-row">${(item.symbols || []).map((s) => `<span class="chip">${s}</span>`).join('')}</div>
<div class="ai-block">${analysis ? '' : errorMessage ? '' : 'Click Summarize to run AI insights.'}</div>
`;
const aiBlock = this.modalContent.querySelector('.ai-block');
if (!aiBlock) return;
if (errorMessage) {
aiBlock.innerHTML = `<div class="inline-message inline-error">${errorMessage}</div>`;
return;
}
if (!analysis) {
aiBlock.innerHTML = '<div class="inline-message inline-info">Use the Summarize button to request AI analysis.</div>';
return;
}
const sentiment = analysis.sentiment || analysis.analysis?.sentiment;
aiBlock.innerHTML = `
<h4>AI Summary</h4>
<p>${analysis.summary || analysis.analysis?.summary || 'Model returned no summary.'}</p>
<p><strong>Sentiment:</strong> ${sentiment?.label || sentiment || 'Unknown'} (${sentiment?.score ?? ''})</p>
`;
}
hideModal() {
if (this.modalBackdrop) {
this.modalBackdrop.classList.remove('active');
}
}
}
export default NewsView;
|