双11企业社区推荐

class CommunityRecommendationSystem:
    def __init__(self):
        self.user_profiles = {}  # 用户画像
        self.community_data = {}  # 社区数据

    def update_user_profile(self, user_id, activity):
        """更新用户画像"""
        if user_id not in self.user_profiles:
            self.user_profiles[user_id] = {}
        self.user_profiles[user_id].update(activity)

    def recommend_content(self, user_id):
        """根据用户画像推荐内容"""
        if user_id not in self.user_profiles:
            return []
        
        user_interests = self.user_profiles[user_id].get('interests', [])
        recommended_items = []
        
        for item_id, item_info in self.community_data.items():
            if any(interest in item_info['tags'] for interest in user_interests):
                recommended_items.append(item_id)
        
        return recommended_items

# 示例使用
system = CommunityRecommendationSystem()
system.update_user_profile('user123', {'interests': ['科技', '电商']})
system.community_data = {
    'post1': {'tags': ['科技', '新品']},
    'post2': {'tags': ['电商', '促销']},
    'post3': {'tags': ['旅游', '攻略']}
}
recommended_posts = system.recommend_content('user123')
print("Recommended Posts:", recommended_posts)