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Delete smart_breed_matcher.py
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smart_breed_matcher.py
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import torch
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import re
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import numpy as np
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from typing import List, Dict, Tuple, Optional
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from dataclasses import dataclass
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from breed_health_info import breed_health_info
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from breed_noise_info import breed_noise_info
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from dog_database import dog_data
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from scoring_calculation_system import UserPreferences
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from sentence_transformers import SentenceTransformer, util
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class SmartBreedMatcher:
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def __init__(self, dog_data: List[Tuple]):
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self.dog_data = dog_data
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self.model = SentenceTransformer('all-mpnet-base-v2')
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self._embedding_cache = {}
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def _get_cached_embedding(self, text: str) -> torch.Tensor:
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if text not in self._embedding_cache:
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self._embedding_cache[text] = self.model.encode(text)
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return self._embedding_cache[text]
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def _categorize_breeds(self) -> Dict:
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"""自動將狗品種分類"""
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categories = {
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'working_dogs': [],
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'herding_dogs': [],
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'hunting_dogs': [],
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'companion_dogs': [],
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'guard_dogs': []
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}
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for breed_info in self.dog_data:
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description = breed_info[9].lower()
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temperament = breed_info[4].lower()
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# 根據描述和性格特徵自動分類
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if any(word in description for word in ['herding', 'shepherd', 'cattle', 'flock']):
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categories['herding_dogs'].append(breed_info[1])
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elif any(word in description for word in ['hunting', 'hunt', 'retriever', 'pointer']):
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categories['hunting_dogs'].append(breed_info[1])
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elif any(word in description for word in ['companion', 'toy', 'family', 'lap']):
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categories['companion_dogs'].append(breed_info[1])
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elif any(word in description for word in ['guard', 'protection', 'watchdog']):
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categories['guard_dogs'].append(breed_info[1])
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elif any(word in description for word in ['working', 'draft', 'cart']):
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categories['working_dogs'].append(breed_info[1])
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return categories
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def find_similar_breeds(self, breed_name: str, top_n: int = 5) -> List[Tuple[str, float]]:
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"""找出與指定品種最相似的其他品種"""
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target_breed = next((breed for breed in self.dog_data if breed[1] == breed_name), None)
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if not target_breed:
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return []
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# 獲取目標品種的特徵
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target_features = {
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'breed_name': target_breed[1], # 添加品種名稱
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'size': target_breed[2],
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'temperament': target_breed[4],
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'exercise': target_breed[7],
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'description': target_breed[9]
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}
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similarities = []
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for breed in self.dog_data:
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if breed[1] != breed_name:
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breed_features = {
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'breed_name': breed[1], # 添加品種名稱
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'size': breed[2],
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'temperament': breed[4],
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'exercise': breed[7],
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'description': breed[9]
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}
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similarity_score = self._calculate_breed_similarity(target_features, breed_features)
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similarities.append((breed[1], similarity_score))
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return sorted(similarities, key=lambda x: x[1], reverse=True)[:top_n]
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def _calculate_breed_similarity(self, breed1_features: Dict, breed2_features: Dict) -> float:
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"""計算兩個品種之間的相似度,包含健康和噪音因素"""
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# 計算描述文本的相似度
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desc1_embedding = self._get_cached_embedding(breed1_features['description'])
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desc2_embedding = self._get_cached_embedding(breed2_features['description'])
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description_similarity = float(util.pytorch_cos_sim(desc1_embedding, desc2_embedding))
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# 基本特徵相似度
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size_similarity = 1.0 if breed1_features['size'] == breed2_features['size'] else 0.5
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exercise_similarity = 1.0 if breed1_features['exercise'] == breed2_features['exercise'] else 0.5
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# 性格相似度
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temp1_embedding = self._get_cached_embedding(breed1_features['temperament'])
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temp2_embedding = self._get_cached_embedding(breed2_features['temperament'])
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temperament_similarity = float(util.pytorch_cos_sim(temp1_embedding, temp2_embedding))
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# 健康分數相似度
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health_score1 = self._calculate_health_score(breed1_features['breed_name'])
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health_score2 = self._calculate_health_score(breed2_features['breed_name'])
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health_similarity = 1.0 - abs(health_score1 - health_score2)
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# 噪音水平相似度
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noise_similarity = self._calculate_noise_similarity(
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breed1_features['breed_name'],
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breed2_features['breed_name']
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)
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# 加權計算
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weights = {
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'description': 0.25,
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'temperament': 0.20,
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'exercise': 0.2,
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'size': 0.05,
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'health': 0.15,
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'noise': 0.15
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}
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final_similarity = (
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description_similarity * weights['description'] +
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temperament_similarity * weights['temperament'] +
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exercise_similarity * weights['exercise'] +
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size_similarity * weights['size'] +
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health_similarity * weights['health'] +
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noise_similarity * weights['noise']
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)
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return final_similarity
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def _calculate_final_scores(self, breed_name: str, base_scores: Dict,
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smart_score: float, is_preferred: bool,
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similarity_score: float = 0.0) -> Dict:
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"""
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計算最終分數,包含基礎分數和獎勵分數
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Args:
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breed_name: 品種名稱
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base_scores: 基礎評分 (空間、運動等)
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smart_score: 智能匹配分數
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is_preferred: 是否為用戶指定品種
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similarity_score: 與指定品種的相似度 (0-1)
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"""
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# 基礎權重
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weights = {
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'base': 0.6, # 基礎分數權重
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'smart': 0.25, # 智能匹配權重
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'bonus': 0.15 # 獎勵分數權重
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}
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# 計算基礎分數
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base_score = base_scores.get('overall', 0.7)
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# 計算獎勵分數
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bonus_score = 0.0
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if is_preferred:
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# 用戶指定品種獲得最高獎勵
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bonus_score = 0.95
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elif similarity_score > 0:
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# 相似品種獲得部分獎勵,但不超過80%的最高獎勵
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bonus_score = min(0.8, similarity_score) * 0.95
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# 計算最終分數
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final_score = (
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base_score * weights['base'] +
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smart_score * weights['smart'] +
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bonus_score * weights['bonus']
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)
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# 更新各項分數
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scores = base_scores.copy()
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# 如果是用戶指定品種,稍微提升各項基礎分數,但保持合理範圍
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if is_preferred:
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for key in scores:
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if key != 'overall':
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scores[key] = min(1.0, scores[key] * 1.1) # 最多提升10%
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# 為相似品種調整分數
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elif similarity_score > 0:
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boost_factor = 1.0 + (similarity_score * 0.05) # 最多提升5%
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for key in scores:
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if key != 'overall':
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scores[key] = min(0.95, scores[key] * boost_factor) # 確保不超過95%
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return {
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'final_score': round(final_score, 4),
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'base_score': round(base_score, 4),
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'bonus_score': round(bonus_score, 4),
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'scores': {k: round(v, 4) for k, v in scores.items()}
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}
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def _calculate_grooming_similarity(self, breed1: str, breed2: str) -> float:
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"""計算美容需求相似度"""
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grooming_map = {
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'Low': 1,
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'Moderate': 2,
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'High': 3
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}
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# 從dog_data中獲取美容需求
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breed1_info = next((dog for dog in self.dog_data if dog[1] == breed1), None)
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breed2_info = next((dog for dog in self.dog_data if dog[1] == breed2), None)
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if not breed1_info or not breed2_info:
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return 0.5 # 默認中等相似度
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grooming1 = breed1_info[8] # Grooming_Needs index
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grooming2 = breed2_info[8]
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value1 = grooming_map.get(grooming1, 2)
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value2 = grooming_map.get(grooming2, 2)
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# 基礎相似度
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base_similarity = 1.0 - abs(value1 - value2) / 2.0
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# 根據用戶需求調整
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if grooming2 == 'Moderate':
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base_similarity *= 1.1 # 稍微提高中等美容需求的分數
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elif grooming2 == 'High':
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base_similarity *= 0.9 # 稍微降低高美容需求的分數
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return min(1.0, base_similarity)
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def _calculate_health_score(self, breed_name: str) -> float:
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"""計算品種的健康分數"""
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if breed_name not in breed_health_info:
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return 0.5
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health_notes = breed_health_info[breed_name]['health_notes'].lower()
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# 嚴重健康問題
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severe_conditions = [
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'cancer', 'cardiomyopathy', 'epilepsy', 'dysplasia',
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'bloat', 'progressive', 'syndrome'
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]
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# 中等健康問題
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moderate_conditions = [
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'allergies', 'infections', 'thyroid', 'luxation',
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'skin problems', 'ear'
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]
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severe_count = sum(1 for condition in severe_conditions if condition in health_notes)
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moderate_count = sum(1 for condition in moderate_conditions if condition in health_notes)
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health_score = 1.0
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health_score -= (severe_count * 0.1)
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health_score -= (moderate_count * 0.05)
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# 特殊條件調整(根據用戶偏好)
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if hasattr(self, 'user_preferences'):
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if self.user_preferences.has_children:
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if 'requires frequent' in health_notes or 'regular monitoring' in health_notes:
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health_score *= 0.9
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if self.user_preferences.health_sensitivity == 'high':
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health_score *= 0.9
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return max(0.3, min(1.0, health_score))
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def _calculate_noise_similarity(self, breed1: str, breed2: str) -> float:
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"""計算兩個品種的噪音相似度"""
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noise_levels = {
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'Low': 1,
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'Moderate': 2,
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'High': 3,
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'Unknown': 2 # 默認為中等
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}
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noise1 = breed_noise_info.get(breed1, {}).get('noise_level', 'Unknown')
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noise2 = breed_noise_info.get(breed2, {}).get('noise_level', 'Unknown')
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# 獲取數值級別
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level1 = noise_levels.get(noise1, 2)
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level2 = noise_levels.get(noise2, 2)
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# 計算差異並歸一化
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difference = abs(level1 - level2)
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similarity = 1.0 - (difference / 2) # 最大差異是2,所以除以2來歸一化
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return similarity
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def _general_matching(self, description: str, top_n: int = 10) -> List[Dict]:
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"""基本的品種匹配邏輯,考慮描述、性格、噪音和健康因素"""
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matches = []
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# 預先計算描述的 embedding 並快取
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desc_embedding = self._get_cached_embedding(description)
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for breed in self.dog_data:
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breed_name = breed[1]
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breed_description = breed[9]
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temperament = breed[4]
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# 使用快取計算相似度
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breed_desc_embedding = self._get_cached_embedding(breed_description)
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breed_temp_embedding = self._get_cached_embedding(temperament)
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desc_similarity = float(util.pytorch_cos_sim(desc_embedding, breed_desc_embedding))
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temp_similarity = float(util.pytorch_cos_sim(desc_embedding, breed_temp_embedding))
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# 其餘計算保持不變
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noise_similarity = self._calculate_noise_similarity(breed_name, breed_name)
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health_score = self._calculate_health_score(breed_name)
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health_similarity = 1.0 - abs(health_score - 0.8)
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weights = {
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'description': 0.35,
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'temperament': 0.25,
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'noise': 0.2,
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'health': 0.2
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}
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final_score = (
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desc_similarity * weights['description'] +
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temp_similarity * weights['temperament'] +
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noise_similarity * weights['noise'] +
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health_similarity * weights['health']
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)
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matches.append({
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'breed': breed_name,
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'score': final_score,
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'is_preferred': False,
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'similarity': final_score,
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'reason': "Matched based on description, temperament, noise level, and health score"
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})
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return sorted(matches, key=lambda x: -x['score'])[:top_n]
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def _detect_breed_preference(self, description: str) -> Optional[str]:
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"""檢測用戶是否提到特定品種"""
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description_lower = f" {description.lower()} "
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for breed_info in self.dog_data:
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breed_name = breed_info[1]
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normalized_breed = breed_name.lower().replace('_', ' ')
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pattern = rf"\b{re.escape(normalized_breed)}\b"
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if re.search(pattern, description_lower):
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return breed_name
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return None
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| 350 |
-
def match_user_preference(self, description: str, top_n: int = 10) -> List[Dict]:
|
| 351 |
-
"""根據用戶描述匹配最適合的品種"""
|
| 352 |
-
preferred_breed = self._detect_breed_preference(description)
|
| 353 |
-
|
| 354 |
-
matches = []
|
| 355 |
-
if preferred_breed:
|
| 356 |
-
# 首先添加偏好品種
|
| 357 |
-
breed_info = next((breed for breed in self.dog_data if breed[1] == preferred_breed), None)
|
| 358 |
-
if breed_info:
|
| 359 |
-
base_scores = {'overall': 1.0} # 給予最高基礎分數
|
| 360 |
-
# 計算偏好品種的最終分數
|
| 361 |
-
scores = self._calculate_final_scores(
|
| 362 |
-
preferred_breed,
|
| 363 |
-
base_scores,
|
| 364 |
-
smart_score=1.0,
|
| 365 |
-
is_preferred=True,
|
| 366 |
-
similarity_score=1.0
|
| 367 |
-
)
|
| 368 |
-
|
| 369 |
-
matches.append({
|
| 370 |
-
'breed': preferred_breed,
|
| 371 |
-
'score': 1.0, # 確保最高分
|
| 372 |
-
'final_score': scores['final_score'],
|
| 373 |
-
'base_score': scores['base_score'],
|
| 374 |
-
'bonus_score': scores['bonus_score'],
|
| 375 |
-
'is_preferred': True,
|
| 376 |
-
'priority': 1, # 最高優先級
|
| 377 |
-
'health_score': self._calculate_health_score(preferred_breed),
|
| 378 |
-
'noise_level': breed_noise_info.get(preferred_breed, {}).get('noise_level', 'Unknown'),
|
| 379 |
-
'reason': "Directly matched your preferred breed"
|
| 380 |
-
})
|
| 381 |
-
|
| 382 |
-
# 添加相似品種
|
| 383 |
-
similar_breeds = self.find_similar_breeds(preferred_breed, top_n=top_n-1)
|
| 384 |
-
for breed_name, similarity in similar_breeds:
|
| 385 |
-
if breed_name != preferred_breed:
|
| 386 |
-
# 使用 _calculate_final_scores 計算相似品種分數
|
| 387 |
-
scores = self._calculate_final_scores(
|
| 388 |
-
breed_name,
|
| 389 |
-
{'overall': similarity * 0.9}, # 基礎分數略低於偏好品種
|
| 390 |
-
smart_score=similarity,
|
| 391 |
-
is_preferred=False,
|
| 392 |
-
similarity_score=similarity
|
| 393 |
-
)
|
| 394 |
-
|
| 395 |
-
matches.append({
|
| 396 |
-
'breed': breed_name,
|
| 397 |
-
'score': min(0.95, similarity), # 確保不超過偏好品種
|
| 398 |
-
'final_score': scores['final_score'],
|
| 399 |
-
'base_score': scores['base_score'],
|
| 400 |
-
'bonus_score': scores['bonus_score'],
|
| 401 |
-
'is_preferred': False,
|
| 402 |
-
'priority': 2,
|
| 403 |
-
'health_score': self._calculate_health_score(breed_name),
|
| 404 |
-
'noise_level': breed_noise_info.get(breed_name, {}).get('noise_level', 'Unknown'),
|
| 405 |
-
'reason': f"Similar to {preferred_breed}"
|
| 406 |
-
})
|
| 407 |
-
else:
|
| 408 |
-
matches = self._general_matching(description, top_n)
|
| 409 |
-
for match in matches:
|
| 410 |
-
match['priority'] = 3
|
| 411 |
-
|
| 412 |
-
# 使用複合排序鍵
|
| 413 |
-
final_matches = sorted(
|
| 414 |
-
matches,
|
| 415 |
-
key=lambda x: (
|
| 416 |
-
x.get('priority', 3) * -1, # 優先級倒序(1最高)
|
| 417 |
-
x.get('is_preferred', False) * 1, # 偏好品種優先
|
| 418 |
-
float(x.get('final_score', 0)) * -1, # 分數倒序
|
| 419 |
-
x.get('breed', '') # 品種名稱正序
|
| 420 |
-
)
|
| 421 |
-
)[:top_n]
|
| 422 |
-
|
| 423 |
-
return final_matches
|
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