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content_curator.py
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# content_curator.py
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import requests
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import json
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import re
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from datetime import datetime, timedelta
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from urllib.parse import urlparse, urljoin
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from bs4 import BeautifulSoup
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import feedparser
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import logging
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from groq import Groq
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import google.generativeai as genai
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import os
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logger = logging.getLogger(__name__)
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# Initialize AI clients
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groq_client = None
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genai_client = None
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try:
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GROQ_API_KEY = os.environ.get("GROQ_API_KEY")
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if GROQ_API_KEY:
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groq_client = Groq(api_key=GROQ_API_KEY)
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except Exception as e:
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logger.warning(f"Groq client not available: {e}")
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try:
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GEMINI_API_KEY = os.environ.get("GEMINI_API_KEY")
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if GEMINI_API_KEY:
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genai.configure(api_key=GEMINI_API_KEY)
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genai_client = genai
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except Exception as e:
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logger.warning(f"Gemini client not available: {e}")
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class ContentCurator:
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def __init__(self):
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# Import here to avoid circular imports
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self.track_tokens = None
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try:
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from admin_module import admin_manager
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self.admin_manager = admin_manager
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except ImportError:
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self.admin_manager = None
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def _track_token_usage(self, user_id, provider, input_tokens, output_tokens, operation):
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"""Track token usage for admin monitoring"""
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try:
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if self.admin_manager:
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self.admin_manager.record_token_usage(user_id, provider, input_tokens, output_tokens, operation)
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except Exception as e:
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logger.error(f"Error tracking tokens: {e}")
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self.search_engines = {
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# Using free APIs and web scraping
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'news_sources': {
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'bbc': 'https://feeds.bbci.co.uk/news/rss.xml',
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'reuters': 'https://www.reuters.com/arcio/rss/',
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'techcrunch': 'https://techcrunch.com/feed/',
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'medium': 'https://medium.com/feed/tag/{topic}',
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},
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'content_categories': {
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'technology': ['tech', 'software', 'AI', 'cybersecurity', 'automotive'],
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'business': ['business', 'management', 'leadership', 'finance'],
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'science': ['science', 'research', 'innovation'],
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'professional': ['career', 'professional-development', 'skills']
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}
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}
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def search_content(self, interests, english_level, context_focus, limit=10):
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"""Search for content based on user interests and level"""
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try:
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results = []
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for interest in interests:
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# Search RSS feeds
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rss_results = self._search_rss_feeds(interest, limit=3)
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results.extend(rss_results)
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# Search Medium articles
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medium_results = self._search_medium(interest, limit=2)
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results.extend(medium_results)
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# Filter and rank results
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filtered_results = self._filter_by_level_and_context(
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results, english_level, context_focus
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)
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return filtered_results[:limit]
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except Exception as e:
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logger.error(f"Error searching content: {e}")
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return []
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def _search_rss_feeds(self, topic, limit=5):
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"""Search RSS feeds for relevant content"""
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results = []
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try:
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# Map topic to appropriate RSS feeds
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relevant_feeds = []
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if any(keyword in topic.lower() for keyword in ['tech', 'software', 'cyber', 'adas', 'automotive']):
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relevant_feeds.extend([
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'https://feeds.bbci.co.uk/news/technology/rss.xml',
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'https://techcrunch.com/feed/',
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'https://www.wired.com/feed/rss'
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])
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if any(keyword in topic.lower() for keyword in ['business', 'management', 'product']):
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relevant_feeds.extend([
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'https://feeds.bbci.co.uk/news/business/rss.xml',
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'https://feeds.harvard.edu/news/rss/business.xml'
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])
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# Default to general news if no specific match
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if not relevant_feeds:
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relevant_feeds = ['https://feeds.bbci.co.uk/news/rss.xml']
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for feed_url in relevant_feeds[:2]: # Limit to 2 feeds to avoid timeout
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try:
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feed = feedparser.parse(feed_url)
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for entry in feed.entries[:limit]:
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if self._is_relevant_to_topic(entry.title + " " + entry.get('summary', ''), topic):
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results.append({
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'title': entry.title,
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'url': entry.link,
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'summary': entry.get('summary', '')[:200] + '...',
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'source': urlparse(feed_url).netloc,
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'published': entry.get('published', ''),
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'relevance_score': self._calculate_relevance(entry.title, topic)
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})
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except Exception as e:
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logger.warning(f"Error parsing feed {feed_url}: {e}")
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continue
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except Exception as e:
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logger.error(f"Error in RSS search: {e}")
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return sorted(results, key=lambda x: x['relevance_score'], reverse=True)
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def _search_medium(self, topic, limit=3):
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"""Search Medium articles (simplified approach)"""
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results = []
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try:
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# Use Medium's RSS feed for topics
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search_terms = topic.lower().replace(' ', '-')
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medium_url = f"https://medium.com/feed/tag/{search_terms}"
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feed = feedparser.parse(medium_url)
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for entry in feed.entries[:limit]:
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results.append({
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'title': entry.title,
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'url': entry.link,
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'summary': entry.get('summary', '')[:200] + '...',
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'source': 'Medium',
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'published': entry.get('published', ''),
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'relevance_score': self._calculate_relevance(entry.title, topic)
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})
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except Exception as e:
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logger.warning(f"Error searching Medium: {e}")
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return results
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def _is_relevant_to_topic(self, text, topic):
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"""Check if text is relevant to topic"""
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text_lower = text.lower()
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topic_words = topic.lower().split()
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# Simple relevance check
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matches = sum(1 for word in topic_words if word in text_lower)
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return matches >= len(topic_words) * 0.5 # At least 50% of topic words present
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def _calculate_relevance(self, title, topic):
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"""Calculate relevance score between title and topic"""
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title_lower = title.lower()
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topic_lower = topic.lower()
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# Simple scoring based on word matches
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topic_words = topic_lower.split()
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score = 0
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for word in topic_words:
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if word in title_lower:
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score += 1
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return score / len(topic_words) if topic_words else 0
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def _filter_by_level_and_context(self, results, english_level, context_focus):
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"""Filter results by English level and context"""
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# Level difficulty mapping
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level_complexity = {
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'A1': 1, 'A2': 2, 'B1': 3, 'B2': 4, 'C1': 5, 'C2': 6
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}
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user_level = level_complexity.get(english_level, 3)
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filtered = []
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for result in results:
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# Estimate content difficulty (simplified)
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difficulty = self._estimate_content_difficulty(result['title'] + " " + result['summary'])
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# Filter by level (allow content slightly above user level)
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if difficulty <= user_level + 1:
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result['estimated_difficulty'] = difficulty
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filtered.append(result)
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return filtered
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def _estimate_content_difficulty(self, text):
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"""Estimate content difficulty (1-6 scale)"""
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# Simple heuristics for difficulty estimation
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word_count = len(text.split())
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avg_word_length = sum(len(word) for word in text.split()) / word_count if word_count > 0 else 0
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# Technical terms increase difficulty
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technical_terms = ['algorithm', 'implementation', 'architecture', 'methodology', 'paradigm']
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tech_score = sum(1 for term in technical_terms if term in text.lower())
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# Calculate difficulty score
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difficulty = 1
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if avg_word_length > 6:
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difficulty += 1
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if tech_score > 0:
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difficulty += 1
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if word_count > 200:
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difficulty += 1
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return min(difficulty, 6)
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def extract_content_from_url(self, url):
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"""Extract readable content from URL"""
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try:
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headers = {
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'User-Agent': 'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/91.0.4472.124 Safari/537.36'
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}
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response = requests.get(url, headers=headers, timeout=10)
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response.raise_for_status()
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soup = BeautifulSoup(response.content, 'html.parser')
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# Remove unwanted elements
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for element in soup(['script', 'style', 'nav', 'header', 'footer', 'aside']):
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element.decompose()
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# Extract main content
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main_content = soup.find('main') or soup.find('article') or soup.find('div', class_=re.compile(r'content|article|post'))
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if main_content:
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text = main_content.get_text(separator=' ', strip=True)
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else:
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# Fallback to body text
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text = soup.get_text(separator=' ', strip=True)
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# Clean up text
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text = re.sub(r'\s+', ' ', text) # Multiple spaces to single
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text = text[:5000] # Limit length
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return {
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'success': True,
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'content': text,
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'title': soup.find('title').text if soup.find('title') else '',
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'word_count': len(text.split())
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}
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except Exception as e:
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logger.error(f"Error extracting content from {url}: {e}")
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return {
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'success': False,
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'error': str(e)
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}
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def generate_personalized_recommendations(self, user_interests, recent_articles, english_level, context_focus, user_id=None):
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"""Generate AI-powered content recommendations"""
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try:
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if not groq_client and not genai_client:
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return []
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# Prepare context for AI
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interests_text = ', '.join(user_interests.keys())
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recent_titles = [article.get('title', '') for article in recent_articles[-5:]]
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recent_text = '; '.join(recent_titles)
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prompt = f"""
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User Profile:
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- English Level: {english_level}
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- Context Focus: {context_focus}
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- Interests: {interests_text}
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- Recently read: {recent_text}
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Recommend 5 specific article topics or search terms that would be perfect for this user's English learning journey.
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Consider their level and interests. Focus on practical, engaging content.
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Format as JSON array: [
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{{"topic": "topic name", "reason": "why this is good for the user", "difficulty": "estimated level"}},
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...
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]
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"""
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# Try Groq first, then Gemini
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response_text = None
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if groq_client:
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response = groq_client.chat.completions.create(
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model="llama-3.1-8b-instant",
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messages=[{"role": "user", "content": prompt}],
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temperature=0.7
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)
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response_text = response.choices[0].message.content
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# Track token usage
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if user_id and hasattr(response, 'usage'):
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self._track_token_usage(
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user_id, 'groq',
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response.usage.prompt_tokens,
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response.usage.completion_tokens,
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'content_recommendations'
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)
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elif genai_client:
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model = genai_client.GenerativeModel('gemini-2.5-flash-latest')
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response = model.generate_content(prompt)
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response_text = response.text
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# Track token usage for Gemini (estimated)
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if user_id:
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# Estimate tokens (rough approximation: 1 token ≈ 4 characters)
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input_tokens = len(prompt) // 4
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output_tokens = len(response_text) // 4
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self._track_token_usage(
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user_id, 'gemini',
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input_tokens,
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output_tokens,
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'content_recommendations'
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)
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if response_text:
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# Extract JSON from response
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json_match = re.search(r'\[.*\]', response_text, re.DOTALL)
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if json_match:
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recommendations = json.loads(json_match.group())
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return recommendations
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return []
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except Exception as e:
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logger.error(f"Error generating recommendations: {e}")
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return []
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def analyze_content_for_learning(self, content, user_level):
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"""Analyze content and suggest learning points"""
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try:
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if not groq_client and not genai_client:
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return {}
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# Truncate content for analysis
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analysis_content = content[:2000] + "..." if len(content) > 2000 else content
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prompt = f"""
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Analyze this English text for a {user_level} level English learner:
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"{analysis_content}"
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Provide:
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1. Key vocabulary words (5-8 words) with definitions
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2. Important grammar patterns used
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3. Main topics/themes
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4. Difficulty assessment (1-10)
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5. Learning suggestions for this level
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Format as JSON: {{
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"vocabulary": [{{"word": "...", "definition": "..."}}, ...],
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"grammar_patterns": ["pattern1", "pattern2", ...],
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"topics": ["topic1", "topic2", ...],
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"difficulty": 7,
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"learning_suggestions": ["suggestion1", "suggestion2", ...]
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}}
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"""
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response_text = None
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if groq_client:
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response = groq_client.chat.completions.create(
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model="llama-3.1-8b-instant",
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messages=[{"role": "user", "content": prompt}],
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temperature=0.3
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)
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response_text = response.choices[0].message.content
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elif genai_client:
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-
model = genai_client.GenerativeModel('gemini-2.5-flash-latest')
|
| 393 |
-
response = model.generate_content(prompt)
|
| 394 |
-
response_text = response.text
|
| 395 |
-
|
| 396 |
-
if response_text:
|
| 397 |
-
json_match = re.search(r'\{.*\}', response_text, re.DOTALL)
|
| 398 |
-
if json_match:
|
| 399 |
-
analysis = json.loads(json_match.group())
|
| 400 |
-
return analysis
|
| 401 |
-
|
| 402 |
-
return {}
|
| 403 |
-
|
| 404 |
-
except Exception as e:
|
| 405 |
-
logger.error(f"Error analyzing content: {e}")
|
| 406 |
-
return {}
|
| 407 |
-
|
| 408 |
-
# Global instance
|
| 409 |
-
content_curator = ContentCurator()
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