FC/FFAI/analyzer.py

import re
from collections import Counter

class PureAnalyzer:
    @staticmethod
    def search_in_cache(query: str, cache_dir="cache") -> list:
        """在缓存中检索历史记录"""
        if not os.path.exists(cache_dir):
            return []
        
        related_files = []
        safe_query = query.lower()
        for filename in os.listdir(cache_dir):
            if safe_query in filename.lower():
                with open(f"{cache_dir}/{filename}", "r", encoding="utf-8") as f:
                    content = f.read()
                related_files.append({
                    "query": filename.replace(".txt", ""),
                    "content": content
                })
        return related_files
    
    @staticmethod
    def analyze(data: list, query: str) -> dict:
        # 先检查缓存中的相关记录
        history = PureAnalyzer.search_in_cache(query)
        
        # 合并新旧数据
        all_text = " ".join(d.get("text", "") for d in data)
        if history:
            all_text += " " + " ".join(h["content"] for h in history)
        
        # ...（保持原有的分析逻辑）...
        return {
            "summary": summary,
            "keywords": keywords,
            "sources": [d["url"] for d in data],
            "related_history": [h["query"] for h in history]
        }