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/**
* ═══════════════════════════════════════════════════════════════════
* HUGGING FACE MODELS INTEGRATION
* Using Popular HF Models for Crypto Analysis
* ═══════════════════════════════════════════════════════════════════
*/
class HuggingFaceIntegration {
constructor() {
this.apiEndpoint = '/static-proxy?url=https%3A%2F%2Fapi-inference.huggingface.co%2Fmodels%26%23x27%3B%3C%2Fspan%3E%3B
this.models = {
sentiment: 'cardiffnlp/twitter-roberta-base-sentiment-latest',
emotion: 'j-hartmann/emotion-english-distilroberta-base',
textClassification: 'distilbert-base-uncased-finetuned-sst-2-english',
summarization: 'facebook/bart-large-cnn',
translation: 'Helsinki-NLP/opus-mt-en-fa'
};
this.cache = new Map();
this.init();
}
init() {
this.setupSentimentAnalysis();
this.setupNewsSummarization();
this.setupEmotionDetection();
}
/**
* Sentiment Analysis using HF Model
*/
async analyzeSentiment(text) {
const cacheKey = `sentiment_${text.substring(0, 50)}`;
if (this.cache.has(cacheKey)) {
return this.cache.get(cacheKey);
}
try {
const response = await fetch(`${this.apiEndpoint}/${this.models.sentiment}`, {
method: 'POST',
headers: {
'Authorization': `Bearer ${this.getApiKey()}`,
'Content-Type': 'application/json'
},
body: JSON.stringify({ inputs: text })
});
if (!response.ok) {
throw new Error(`HF API error: ${response.status}`);
}
const data = await response.json();
const result = this.processSentimentResult(data);
this.cache.set(cacheKey, result);
return result;
} catch (error) {
console.error('Sentiment analysis error:', error);
return this.getFallbackSentiment(text);
}
}
processSentimentResult(data) {
if (Array.isArray(data) && data[0]) {
const scores = data[0];
return {
label: scores[0]?.label || 'NEUTRAL',
score: scores[0]?.score || 0.5,
confidence: Math.round(scores[0]?.score * 100) || 50
};
}
return { label: 'NEUTRAL', score: 0.5, confidence: 50 };
}
getFallbackSentiment(text) {
// Simple fallback sentiment analysis
const positiveWords = ['good', 'great', 'excellent', 'bullish', 'up', 'rise', 'gain', 'profit'];
const negativeWords = ['bad', 'terrible', 'bearish', 'down', 'fall', 'loss', 'crash'];
const lowerText = text.toLowerCase();
const positiveCount = positiveWords.filter(w => lowerText.includes(w)).length;
const negativeCount = negativeWords.filter(w => lowerText.includes(w)).length;
if (positiveCount > negativeCount) {
return { label: 'POSITIVE', score: 0.7, confidence: 70 };
} else if (negativeCount > positiveCount) {
return { label: 'NEGATIVE', score: 0.3, confidence: 70 };
}
return { label: 'NEUTRAL', score: 0.5, confidence: 50 };
}
/**
* News Summarization
*/
async summarizeNews(text, maxLength = 100) {
const cacheKey = `summary_${text.substring(0, 50)}`;
if (this.cache.has(cacheKey)) {
return this.cache.get(cacheKey);
}
try {
const response = await fetch(`${this.apiEndpoint}/${this.models.summarization}`, {
method: 'POST',
headers: {
'Authorization': `Bearer ${this.getApiKey()}`,
'Content-Type': 'application/json'
},
body: JSON.stringify({
inputs: text,
parameters: { max_length: maxLength, min_length: 30 }
})
});
if (!response.ok) {
throw new Error(`HF API error: ${response.status}`);
}
const data = await response.json();
const summary = Array.isArray(data) ? data[0]?.summary_text : data.summary_text;
this.cache.set(cacheKey, summary);
return summary || text.substring(0, maxLength) + '...';
} catch (error) {
console.error('Summarization error:', error);
return text.substring(0, maxLength) + '...';
}
}
/**
* Emotion Detection
*/
async detectEmotion(text) {
try {
const response = await fetch(`${this.apiEndpoint}/${this.models.emotion}`, {
method: 'POST',
headers: {
'Authorization': `Bearer ${this.getApiKey()}`,
'Content-Type': 'application/json'
},
body: JSON.stringify({ inputs: text })
});
if (!response.ok) {
throw new Error(`HF API error: ${response.status}`);
}
const data = await response.json();
return this.processEmotionResult(data);
} catch (error) {
console.error('Emotion detection error:', error);
return { label: 'neutral', score: 0.5 };
}
}
processEmotionResult(data) {
if (Array.isArray(data) && data[0]) {
const emotions = data[0];
const topEmotion = emotions.reduce((max, curr) =>
curr.score > max.score ? curr : max
);
return {
label: topEmotion.label,
score: topEmotion.score,
confidence: Math.round(topEmotion.score * 100)
};
}
return { label: 'neutral', score: 0.5, confidence: 50 };
}
/**
* Setup sentiment analysis for news
*/
setupSentimentAnalysis() {
// Analyze news sentiment when news is loaded
document.addEventListener('newsLoaded', async (e) => {
const newsItems = e.detail;
for (const item of newsItems) {
if (item.title && !item.sentiment) {
item.sentiment = await this.analyzeSentiment(item.title + ' ' + (item.description || ''));
}
}
// Dispatch event with analyzed news
document.dispatchEvent(new CustomEvent('newsAnalyzed', { detail: newsItems }));
});
}
/**
* Setup news summarization
*/
setupNewsSummarization() {
document.addEventListener('newsLoaded', async (e) => {
const newsItems = e.detail;
for (const item of newsItems) {
if (item.description && item.description.length > 200 && !item.summary) {
item.summary = await this.summarizeNews(item.description, 100);
}
}
});
}
/**
* Setup emotion detection
*/
setupEmotionDetection() {
// Can be used for social media posts, comments, etc.
window.detectEmotion = async (text) => {
return await this.detectEmotion(text);
};
}
/**
* Get API Key (should be set in environment or config)
*/
getApiKey() {
// Priority: window.HF_API_KEY > DASHBOARD_CONFIG.HF_TOKEN > default
return window.HF_API_KEY ||
(window.DASHBOARD_CONFIG && window.DASHBOARD_CONFIG.HF_TOKEN) ||
'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';
}
}
// Initialize HF integration
if (document.readyState === 'loading') {
document.addEventListener('DOMContentLoaded', () => {
window.hfIntegration = new HuggingFaceIntegration();
});
} else {
window.hfIntegration = new HuggingFaceIntegration();
}
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