基于 u2u 的推荐

environment.yaml

@@ -4,9 +4,9 @@ channels:
   - pytorch
   - defaults
 dependencies:
-  - python==3.8
+  - python==3.9
   - ipykernel
   - faiss-cpu
   - pip
   - pip:
-    - -r requirements.txt
\ No newline at end of file
+    - -r requirements.txt

src/core/db_data_manager.py

@@ -3,6 +3,7 @@
 import os
 import json
 import logging
+from datetime import datetime, timedelta
 
 import pandas as pd
 
@@ -35,7 +36,7 @@ class DBDataManager():
         self.logger.info('开始保存 %s 到本地', name)
         with open(os.path.join(self.local_file_dir, name), mode, encoding='utf-8') as f:
             f.write('\n'.join(lines))
-        self.logger.info('%s 保存成功，共保存 %s 行内人', name, len(lines))
+        self.logger.info('%s 保存成功，共保存 %s 行数据', name, len(lines))
 
 
     def _save_json_data(self, data, name):
@@ -63,10 +64,42 @@ class DBDataManager():
         _, all_data = self.client.query(sql)
         df = pd.DataFrame(all_data)
         df.to_excel(os.path.join(self.local_file_dir, 'all_order_info.xlsx'), index=None)
-        # self._save_json_data(all_data, 'all_order_info.json')
+
+
+    def _load_order_data(self, conditions=None):
+        select_fields = ['main_order_id', 'uid', 'supplier_id', 'price', 'standard_order_type']
+        select_fields.append('DATE_FORMAT(update_time, "%Y-%m-%d") AS update_time')
+
+        sql = 'SELECT {} FROM ods.ods_ydl_standard_order'.format(', '.join(select_fields))
+        if conditions:
+            sql += ' WHERE {}'.format('AND '.join(conditions))
+        
+        self.logger.info('开始执行sql %s', sql)
+        cnt, data = self.client.query(sql)
+        self.logger.info('sql执行成功，共获取 %s 条数据', cnt)
+        return data
+
+
+    def load_test_data(self, days=5):
+        now = datetime.now()
+        start_time = now - timedelta(days=days)
+        conditions = [
+            'create_time >= "{}"'.format(start_time.strftime('%Y-%m-%d')),
+        ]
+        order_data = self._load_order_data(conditions=conditions)
+        df = pd.DataFrame(order_data)
+        df.to_excel(os.path.join(self.local_file_dir, 'test_order_info.xlsx'), index=None)
+
+        select_fields = ['*']
+        sql = 'SELECT {} FROM ads.ads_register_user_profiles'.format(', '.join(select_fields))
+        sql += ' WHERE uid IN (SELECT DISTINCT uid FROM ods.ods_ydl_standard_order WHERE create_time >= "{}")'.format(start_time.strftime('%Y-%m-%d'))
+        _, all_data = self.client.query(sql)
+        df = pd.DataFrame(all_data)
+        df.to_excel(os.path.join(self.local_file_dir, 'test_profile.xlsx'), index=None)
 
 
 if __name__ == '__main__':
     manager = DBDataManager()
+    manager.load_test_data()
     # manager.update_local_data()
     # print(manager.make_index())
\ No newline at end of file

src/core/main.py

@@ -29,10 +29,12 @@ parser.add_argument('--index_last_date', default=None, type=str, help='构建索
 
 parser.add_argument(
     '-t', '--task', type=str, required=True,
-    choices=('load_db_data', 'make_profile_index'), help='执行任务名称'
+    choices=('load_db_data', 'make_profile_index', 'do_test'), help='执行任务名称'
 )
-parser.add_argument('--output_dir', default='outputs', type=str, help='模型训练中间结果和训练好的模型保存目录')
-parser.add_argument('--max_seq_length', default=128, type=int, help='tokenization 之后序列最大长度。超过会被截断，小于会补齐')
+parser.add_argument('--test_start_date', default='-3', type=str, help='测试任务 - 开始日期')
+parser.add_argument('--test_end_date', default='0', type=str, help='测试任务 - 结束日期')
+
+
 parser.add_argument('--batch_size', default=128, type=int, help='训练时一个 batch 包含多少条数据')
 parser.add_argument('--learning_rate', default=1e-3, type=float, help='Adam 优化器的学习率')
 parser.add_argument('--add_special_tokens', default=True, type=bool, help='bert encode 时前后是否添加特殊token')
@@ -46,10 +48,15 @@ args = parser.parse_args()
 
 if __name__ == '__main__':
     if args.task == 'load_db_data':
+        # 从数据库中导出信息
         manager = DBDataManager()
         manager.update_order_info()
         manager.update_profile()
     
     if args.task == 'make_profile_index':
         manager = ProfileManager()
-        manager.make_embeddings()
\ No newline at end of file
+        manager.make_embeddings()
+        manager.make_virtual_embedding()
+
+    if args.task == 'make_similarity':
+        pass
\ No newline at end of file

src/core/order_data_manager.py

@@ -11,13 +11,51 @@ from ydl_ai_recommender.src.utils import get_data_path
 
 
 class OrderDataManager():
-    def __init__(self) -> None:
+    def __init__(self, client=None) -> None:
         self.local_file_dir = get_data_path()
+        self.client = client
         self.logger = logging.getLogger(__name__)
 
 
+    def _fetch_data_from_db(self, conditions=None):
+        if self.client is None:
+            self.logger.error('未连接数据库')
+            raise
+
+        condition_sql = ''
+        if conditions:
+            condition_sql = ' WHERE ' + ' AND '.join(conditions)
+
+        select_fields = ['main_order_id', 'uid', 'supplier_id', 'price', 'standard_order_type']
+        select_fields.append('DATE_FORMAT(update_time, "%Y-%m-%d") AS update_time')
+        sql = 'SELECT {} FROM ods.ods_ydl_standard_order'.format(', '.join(select_fields))
+        sql += condition_sql
+
+        _, all_data = self.client.query(sql)
+        return all_data
+
+
+    def update_order_data(self):
+        """ 从数据库中拉取最新订单数据并保存 """
+        all_data = self._fetch_data_from_db()
+        df = pd.DataFrame(all_data)
+        df.to_excel(os.path.join(self.local_file_dir, 'all_order_info.xlsx'), index=None)
+
+
+    def update_test_order_data(self, conditions):
+        """ 从数据库中拉取指定条件订单用于测试 """
+        all_data = self._fetch_data_from_db(conditions)
+        df = pd.DataFrame(all_data)
+        df.to_excel(os.path.join(self.local_file_dir, 'test_order_info.xlsx'), index=None)
+
+
     def load_raw_data(self):
-        df = pd.read_excel(os.path.join(self.local_file_dir, 'all_order_info.xlsx'))
+        df = pd.read_excel(os.path.join(self.local_file_dir, 'all_order_info.xlsx'), dtype=str)
+        return df
+
+
+    def load_test_order_data(self):
+        df = pd.read_excel(os.path.join(self.local_file_dir, 'test_order_info.xlsx'), dtype=str)
         return df
     
 
@@ -49,7 +87,7 @@ class OrderDataManager():
                 latest_time = max([info[1] for info in infos])
                 supplier_values.append([supplier_id, value, latest_time])
             
-            index[uid] = sorted(supplier_values, key=lambda x: (x[1], x[2]), reverse=True)
+            index[uid] = sorted(supplier_values, key=lambda x: (x[2], x[1]), reverse=True)
         
         with open(os.path.join(self.local_file_dir, 'user_doctor_index.json'), 'w', encoding='utf-8') as f:
             json.dump(index, f, ensure_ascii=False)

src/core/profile/__init__.py

 # -*- coding: utf-8 -*-
 
 import json
-from typing import Dict, List, Any
+from typing import Dict, List, Any, Union
 
 import pandas as pd
 
-from .country_code_profile import CountryCodeProfile
-from .profile import ChannelIdTypeProfile
+# from .country_code_profile import CountryCodeProfile
+# from .profile import ChannelIdTypeProfile
 
 
-class FfromLoginProfile():
+class BaseProfile():
+
+    def __init__(self) -> None:
+        self.dim :int = 0
+
+    def convert(self, value):
+        raise NotImplemented
+
+    def inconvert(self, embedding: List[Union[int, float]]) -> str:
+        raise NotImplemented
+
+
+class CountryCodeProfile(BaseProfile):
+    def __init__(self) -> None:
+        super().__init__()
+        self.dim = 3
+
+    def convert(self, value):
+        try:
+            value = int(value)
+        except Exception as e:
+            return [0, 0, 1]
+        if value == 86:
+            return [1, 0, 0]
+        else:
+            return [0, 1, 0]
+
+    def inconvert(self, embedding):
+        if embedding[0] == 1:
+            return 'china'
+        elif embedding[1] == 2:
+            return 'abroad'
+        else:
+            return 'unknown'
+
+
+class ChannelIdTypeProfile(BaseProfile):
+    def __init__(self) -> None:
+        super().__init__()
+        self.dim = 3
+
+    def convert(self, value):
+        try:
+            value = int(value)
+        except Exception as e:
+            return [0, 0, 1]
+            
+        if value == 1:
+            return [1, 0, 0]
+        elif value == 2:
+            return [0, 1, 0]
+        else:
+            return [0, 0, 1]
+
+    def inconvert(self, embedding):
+        if embedding[0] == 1:
+            return 'ios'
+        elif embedding[1] == 2:
+            return 'android'
+        else:
+            return 'other'
+
+
+class FfromLoginProfile(BaseProfile):
     """
     登录来源
         主要是不同android品牌特征，android和ios特征在其他画像中已有，这里不重复构建
     """
     def __init__(self) -> None:
-        pass
+        super().__init__()
+        self.brand_list = ['huawei', 'vivo', 'oppo', 'xiaomi']
+        self.dim = len(self.brand_list) + 1
 
     def convert(self, value):
         ret = [0, 0, 0, 0, 0]
@@ -24,25 +89,30 @@ class FfromLoginProfile():
         except Exception as e:
             return ret
 
-        if 'huawei' in value:
-            ret[0] = 1
-        elif 'vivo' in value:
-            ret[1] = 1
-        elif 'oppo' in value:
-            ret[2] = 1
-        elif 'xiaomi' in value:
-            ret[3] = 1
+        for i, v in enumerate(self.brand_list):
+            if v in value:
+                ret[i] = 1
+                break
         else:
-            ret[4] = 1
+            ret[self.dim - 1] = 1
         return ret
 
+    def inconvert(self, embedding):
+        for emb, name in zip(embedding, self.brand_list):
+            if emb == 1:
+                return name
+        return 'other'
 
-class UserPreferenceCateProfile():
+
+class UserPreferenceCateProfile(BaseProfile):
 
     def __init__(self) -> None:
-        cate_list = ['个人成长', '亲子教育', '人际关系', '婚姻家庭', '心理健康', '恋爱情感', '情绪压力', '职场发展']
+        super().__init__()
+        self.dim = 8
+
+        self.cate_list = ['个人成长', '亲子教育', '人际关系', '婚姻家庭', '心理健康', '恋爱情感', '情绪压力', '职场发展']
         self.cate_index = {
-            cate: index for index, cate in enumerate(cate_list)
+            cate: index for index, cate in enumerate(self.cate_list)
         }
 
     def convert(self, value):
@@ -61,13 +131,21 @@ class UserPreferenceCateProfile():
 
         return ret
 
+    def inconvert(self, embedding):
+        ret = {}
+        for emb, name in zip(embedding, self.cate_list):
+            ret[name] = emb
+        return json.dumps(ret, ensure_ascii=False)
+
 
-class NumClassProfile():
+class NumClassProfile(BaseProfile):
 
     def __init__(self, split_points, mode='le') -> None:
         """
         mode : le 前开后闭； be: 前闭后开；默认前开后闭
         """
+        super().__init__()
+        self.dim = len(split_points) + 1
         self.split_points = split_points
         self.mode = mode
 
@@ -94,31 +172,87 @@ class NumClassProfile():
         return ret
 
 
-class AidiCstBiasPriceProfile():
+    def inconvert(self, embedding):
+        ret = ''
+        # 确保embedding中有包含1的值
+        if embedding.count(1) == 0:
+            return ''
+
+        index = embedding.index(1)
+        if index == 0:
+            if self.mode == 'be':
+                ret = '< {}'.format(self.split_points[0])
+            else:
+                ret = '<= {}'.format(self.split_points[0])
+        elif index == (self.dim - 1):
+            if self.mode == 'be':
+                ret = '>= {}'.format(self.split_points[-1])
+            else:
+                ret = '> {}'.format(self.split_points[-1])
+        else:
+            if self.mode == 'be':
+                ret = '{} < {}'.format(self.split_points[index-1], self.split_points[index])
+            else:
+                ret = '{} <= {}'.format(self.split_points[index-1], self.split_points[index])
+        return ret
+
+
+class AidiCstBiasPriceProfile(BaseProfile):
+    """ 用户偏好价格 """
+
+    def __init__(self) -> None:
+        super().__init__()
+        self.dim = 6
+        self.price_groups = [
+            '[0, 50)',
+            '[50, 100)',
+            '[100, 200)',
+            '[200, 500)',
+            '[500, 1000)',
+            '[1000, )',
+        ]
 
     def convert(self, value):
         ret = [0] * 6
         if pd.isnull(value):
             return ret
 
-        for v in value:
+        json_object = json.loads(value)
+
+        for v in json_object:
             try:
                 ret[v['level'] - 1] = 1
             except Exception:
                 pass
         return ret
 
+    def inconvert(self, embedding):
+        ret = ''
+        # 确保embedding中有包含1的值
+        if embedding.count(1) == 0:
+            return ''
+
+        index = embedding.index(1)
+        ret = self.price_groups[index]
+        return ret
+
 
-class MultiChoiceProfile():
+class MultiChoiceProfile(BaseProfile):
 
     def __init__(self, option_dict: Dict[Any, int]) -> None:
+        super().__init__()
+        self.dim = 6
         self.option_dict = option_dict
+        self.re_option_dict = {v: k for k, v in self.option_dict.items()}
+
 
     def convert(self, value: List):
         ret = [0] * len(self.option_dict)
         if pd.isnull(value):
             return ret
 
+        value = json.loads(value)
+
         for v in value:
             try:
                 i = self.option_dict[v]
@@ -128,73 +262,86 @@ class MultiChoiceProfile():
         return ret
 
 
-class CityProfile():
+    def inconvert(self, embedding):
+        ret = []
+
+        for index, emb in enumerate(embedding):
+            if emb == 1:
+                ret.append(self.re_option_dict.get(index, ''))
+
+        return '[{}]'.format(', '.join(map(str, ret)))
+
+
+class CityProfile(BaseProfile):
+    """ 基于邮编的城市编码 """
+
+    def __init__(self, level=2) -> None:
+        """
+            level: 级别，2-省/直辖市 ； 3-区； 4-区；6-投递区
+        """
+        super().__init__()
+
+        self.level = level
+        self.dim = self.level * 10
 
-    def __init__(self) -> None:
-        self.default_city_codes = [
-            '330500', '640200', '130200', '620200', '321000', '530600', '650500', '410200', '511400', '450200',
-            '610800', '220400', '430400', '320500', '410400', '341100', '420300', '410500', '640100', '440100',
-            '420500', '650200', '441900', '211200', '210400', '140700', '131000', '440700', '340100', '350200',
-            '371100', '370900', '130500', '451300', '331100', '320700', '710100', '500000', '610300', '370100',
-            '610500', '450300', '520100', '140200', '320400', '210500', '440300', '610700', '341800', '210300',
-            '340200', '120100', '340500', '210200', '222400', '370600', '110100', '441200', '230500', '510100',
-            '330700', '330600', '370300', '230600', '450100', '340300', '651800', '340800', '430200', '421300',
-            '220600', '150200', '433100', '440500', '620100', '710200', '130100', '131100', '150600', '430100',
-            '150100', '130400', '140600', '140300', '410300', '620600', '330300', '321100', '320900', '630100',
-            '320100', '410900', '510400', '620800', '610600', '220300', '420600', '510700', '130300', '411400',
-            '310000', '341200', '370500', '710500', '231100', '152900', '371500', '220100', '360700', '150500',
-            '331000', '360600', '371000', '341600', '130600', '230100', '410800', '370700', '410700', '430800',
-            '410100', '210800', '330400', '460200', '650100', '310100', '350500', '360400', '320300', '500100',
-            '360900', '610100', '350100', '350400', '530100', '320600', '130900', '371300', '421200', '210700',
-            '220200', '130700', '320800', '420100', '110000', '150400', '442000', '469002', '360100', '150800',
-            '441300', '460100', '610200', '210100', '210900', '371400', '621000', '141000', '330100', '220700',
-            '371700', '370800', '211400', '330200', '140400', '120000', '231200', '140100', '431100', '320200',
-            '451000', '370200', '511900', '361100', '610400', '440600', '411100', '231000', '360300'
-        ]
-        self.city_codes = self.default_city_codes
-        self.city_code_dict = {
-            code: index for index, code in enumerate(self.city_codes)
-        }
 
     def convert(self, value):
-        ret = [0] * len(self.city_code_dict)
+        ret = [0] * self.dim
+
         if pd.isnull(value):
             return ret
 
         value = str(value)
         try:
-            i = self.city_code_dict[value]
-            ret[i] = 1
+            for i, _n in enumerate(value[:self.level]):
+                n = int(_n)
+                ret[i * 10 + n] = 1
+
         except Exception as e:
             pass
         return ret
 
+    
+    def inconvert(self, embedding):
+        # 邮编固定都是6
+        ret = [0] * 6
+        for index, _emb in enumerate(embedding):
+            emb = int(_emb)
+            if emb == 1:
+                ret[int(index / 10)] = index % 10
+        return ''.join(map(str, ret))
+
 
 class AidiCstBiasCityProfile(CityProfile):
+    """ 支持多个城市编码 """
 
-    def __init__(self) -> None:
-        super().__init__()
+    def __init__(self, level=2) -> None:
+        super().__init__(level=level)
 
-    def convert(self, value):
-        ret = [0] * len(self.city_code_dict)
 
-        if pd.isnull(value):
+    def convert(self, value_object):
+        ret = [0] * self.dim
+
+        if pd.isnull(value_object):
             return ret
 
-        if not value:
+        if not value_object:
             return ret
 
-        if isinstance(value, str):
+        if isinstance(value_object, str):
             try:
-                value = json.loads(value)
-            except Exception as e:
-                pass
-        
-        for v in value:
-            try:
-                ret[self.city_code_dict[v]] = 1
+                value_object = json.loads(value_object)
             except Exception as e:
                 pass
+
+        if isinstance(value_object, dict):
+            for value in value_object.get('in', []):
+                try:
+                    for i, _n in enumerate(value[:self.level]):
+                        n = int(_n)
+                        ret[i * 10 + n] = 1
+                except Exception as e:
+                    pass
         return ret
 
 

src/core/profile_manager.py

@@ -15,16 +15,49 @@ class ProfileManager():
     订单用户画像数据管理
     """
 
-    def __init__(self) -> None:
+    def __init__(self, client=None) -> None:
         self.local_file_dir = get_data_path()
         self.profile_file_path = os.path.join(self.local_file_dir, 'all_profile.json')
+        self.client = client
         self.logger = logging.getLogger(__name__)
 
 
+    def _fetch_data_from_db(self, conditions=None):
+        if self.client is None:
+            self.logger.error('未连接数据库')
+            raise
+
+        condition_sql = ''
+        if conditions:
+            condition_sql = ' WHERE ' + ' AND '.join(conditions)
+
+        sql = 'SELECT * FROM ads.ads_register_user_profiles'
+        sql += ' WHERE uid IN (SELECT DISTINCT uid FROM ods.ods_ydl_standard_order{})'.format(condition_sql)
+
+        _, all_data = self.client.query(sql)
+        return all_data
+
+
+    def update_profile(self):
+        """ 从数据库中拉取最新画像特征并保存 """
+        all_data = self._fetch_data_from_db()
+        df = pd.DataFrame(all_data)
+        df.to_excel(os.path.join(self.local_file_dir, 'all_profile.xlsx'), index=None)
+
+
+    def update_test_profile(self, conditions):
+        """ 从数据库中拉取指定条件画像信息用于测试 """
+        all_data = self._fetch_data_from_db(conditions)
+        df = pd.DataFrame(all_data)
+        df.to_excel(os.path.join(self.local_file_dir, 'test_profile.xlsx'), index=None)
+    
+
     def _load_profile_data(self):
-        return pd.read_excel(os.path.join(self.local_file_dir, 'all_profile.xlsx'))
-        # with open(self.profile_file_path, 'r', encoding='utf-8') as f:
-        #     return json.load(f)
+        return pd.read_excel(os.path.join(self.local_file_dir, 'all_profile.xlsx'), dtype=str)
+
+
+    def load_test_profile_data(self):
+        return pd.read_excel(os.path.join(self.local_file_dir, 'test_profile.xlsx'), dtype=str)
 
 
     def profile_to_embedding(self, profile):
@@ -36,6 +69,18 @@ class ProfileManager():
             embedding.extend(converter.convert(profile[name]))
         return embedding
 
+    def embedding_to_profile(self, embedding):
+        """
+        向量转换为用户画像
+        """
+        ret = {}
+        si = 0
+        for [name, converter] in profile_converters:
+            ei = si + converter.dim
+            ret[name] = converter.inconvert(embedding[si: ei])
+            si = ei
+        return ret
+
 
     def make_embeddings(self):
         user_profiles = self._load_profile_data()
@@ -61,10 +106,33 @@ class ProfileManager():
         user_ids = []
         embeddings = []
 
+        with open(os.path.join(self.local_file_dir, 'user_embeddings_ids.txt'), 'r', encoding='utf-8') as f:
+            user_ids = [line.strip() for line in f]
+
+        with open(os.path.join(self.local_file_dir, 'user_embeddings.json'), 'r', encoding='utf-8') as f:
+            embeddings = json.load(f)
+
+        v_embedding_set = {}
+        for user_id, embedding in zip(user_ids, embeddings):
+            key = '_'.join(map(str, embedding))
+            if key not in v_embedding_set:
+                v_embedding_set[key] = {
+                    'embedding': embedding,
+                    'user_ids': [],
+                }
+            v_embedding_set[key]['user_ids'].append(str(user_id))
+        
+        v_embedding_list = []
+        with open(os.path.join(self.local_file_dir, 'virtual_user_embeddings_ids.txt'), 'w', encoding='utf-8') as f:
+            for info in v_embedding_set.values():
+                f.write(','.join(info['user_ids']) + '\n')
+                v_embedding_list.append(info['embedding'])
+
+        with open(os.path.join(self.local_file_dir, 'virtual_user_embeddings.json'), 'w', encoding='utf-8') as f:
+            json.dump(v_embedding_list, f, ensure_ascii=False)
 
 
 if __name__ == '__main__':
     manager = ProfileManager()
-    manager.make_embeddings()
-    # manager.update_local_data()
-    # print(manager.make_index())
\ No newline at end of file
+    # manager.make_embeddings()
+    manager.make_virtual_embedding()
\ No newline at end of file

src/core/recommender.py

+# -*- coding: utf-8 -*-
+
+import os
+import json
+from typing import List, Dict
+
+import faiss
+import numpy as np
+
+from ydl_ai_recommender.src.core.profile_manager import ProfileManager
+from ydl_ai_recommender.src.data.mysql_client import MySQLClient
+from ydl_ai_recommender.src.utils import get_conf_path, get_data_path
+
+
+class Recommender():
+
+    def __init__(self) -> None:
+        pass
+
+    def recommend(self, user) -> List:
+        raise NotImplemented
+
+
+class UserCFRecommender(Recommender):
+
+    def __init__(self, top_n=5, k=5, is_lazy=True) -> None:
+        super().__init__()
+        # 召回 top_n 个相似用户
+        self.top_n = top_n
+        # 每个召回的用户取 k 个相关咨询师
+        self.k = k
+        if is_lazy is False:
+            self.client = MySQLClient.create_from_config_file(get_conf_path())
+        self.manager = ProfileManager()
+        self.local_file_dir = get_data_path()
+        self.load_data()
+
+
+    def load_data(self):
+        order_user_embedding = []
+        order_user_ids = []
+        order_user_counselor_index = {}
+        default_counselor = []
+
+        with open(os.path.join(self.local_file_dir, 'user_embeddings_ids.txt'), 'r', encoding='utf-8') as f:
+            order_user_ids = [line.strip() for line in f]
+
+        with open(os.path.join(self.local_file_dir, 'user_embeddings.json'), 'r', encoding='utf-8') as f:
+            order_user_embedding = json.load(f)
+
+        with open(os.path.join(self.local_file_dir, 'user_doctor_index.json'), encoding='utf-8') as f:
+            order_user_counselor_index = json.load(f)
+
+        with open(os.path.join(self.local_file_dir, 'top50_supplier.txt'), 'r', encoding='utf-8') as f:
+            default_counselor = [line.strip() for line in f]
+
+        self.order_user_embedding = order_user_embedding
+        self.order_user_ids = order_user_ids
+        self.order_user_counselor_index = order_user_counselor_index
+        self.default_counselor = default_counselor
+
+        self.index = faiss.IndexFlatL2(len(self.order_user_embedding[0]))
+        self.index.add(np.array(self.order_user_embedding))
+
+
+    def get_user_profile(self, user_id):
+        sql = 'SELECT * FROM ads.ads_register_user_profiles'
+        sql += ' WHERE uid={}'.format(user_id)
+        _, all_data = self.client.query(sql)
+        if len(all_data) == 0:
+            return []
+        return all_data[0]
+
+
+    def user_token(self, user_profile):
+        return self.manager.profile_to_embedding(user_profile)
+
+    def _recommend(self, user_embedding):
+        D, I = self.index.search(np.array([user_embedding]), self.k)
+        counselors = []
+
+        for idx, score in zip(I[0], D[0]):
+            # 相似用户uid
+            similar_user_id = self.order_user_ids[idx]
+            similar_user_counselor = self.order_user_counselor_index.get(similar_user_id, [])
+
+            recommend_data = [{
+                'counselor': str(user[0]),
+                'score': float(score),
+                'from': 'similar_users {}'.format(similar_user_id),
+            } for user in similar_user_counselor[:self.top_n]]
+            counselors.extend(recommend_data)
+
+        return counselors
+
+
+    def recommend_with_profile(self, user_profile):
+        user_embedding = self.user_token(user_profile)
+        counselors = self._recommend(user_embedding)
+        return counselors
+
+
+    def recommend(self, user_id):
+        """
+        根据用户画像，推荐咨询师
+        若获取不到用户画像，推荐默认咨询师（订单最多的）
+        """
+        user_profile = self.get_user_profile(user_id)
+        if not user_profile:
+            return []
+
+        return self.recommend_with_profile(user_profile)
+
+
+if __name__ == '__main__':
+    recommender = UserCFRecommender()
+    print(recommender.recommend('10957910'))
\ No newline at end of file

src/core/test.py

+# -*- coding: utf-8 -*-
+
+import re
+import json
+import logging
+import argparse
+from datetime import datetime, timedelta
+
+
+from ydl_ai_recommender.src.core.order_data_manager import OrderDataManager
+from ydl_ai_recommender.src.core.profile_manager import ProfileManager
+from ydl_ai_recommender.src.core.recommender import UserCFRecommender
+from ydl_ai_recommender.src.data.mysql_client import MySQLClient
+from ydl_ai_recommender.src.utils import get_conf_path
+
+
+logging.basicConfig(
+    format='%(asctime)s - %(levelname)s - %(name)s - %(message)s',
+    datefmt='%m/%d/%Y %H:%M:%S',
+    level=logging.INFO
+)
+
+
+logger = logging.getLogger(__name__)
+
+
+def main(args):
+
+    # 构建用户画像字典，不用每次都从数据库中获取
+    profile_manager = ProfileManager()
+    df = profile_manager.load_test_profile_data()
+
+    user_profile_dict = {}
+    for _, row in df.iterrows():
+        user_profile_dict[row['uid']] = row
+
+    manager = OrderDataManager()
+
+    # 加载训练订单数据，为后面判断用户是否为新用户
+    train_orders = manager.load_raw_data()
+    old_users = set(train_orders['uid'])
+    logger.info('订单用户数 %s ', len(old_users))
+
+    # 加载测试数据
+    test_orders = manager.load_test_order_data()
+    logger.info('加载测试数据成功，共加载 %s 条', len(test_orders))
+
+    recommender = UserCFRecommender(top_n=args.top_n, k=args.k)
+
+    result_detail = []
+    for index, order_info in test_orders.iterrows():
+        if args.max_test > 0:
+            if index >= args.max_test:
+                break
+
+        uid = order_info['uid']
+        profile = user_profile_dict.get(uid)
+        if profile is None:
+            continue
+
+        recommend_result = recommender.recommend_with_profile(profile)
+        recall_resons = []
+        for rr in recommend_result:
+            if rr['counselor'] == order_info['supplier_id']:
+                recall_resons.append(rr['from'])
+
+        result_detail.append({
+            'uid': uid,
+            'supplier_id': order_info['supplier_id'],
+            'is_old_user': uid in old_users,
+            'recall_counselors': recommend_result,
+            'is_recall': len(recall_resons) > 0,
+            'recall_reason': '|'.join(recall_resons),
+        })
+
+    # 结果报告
+    metrics = {
+        'all_test_cnt': 0,
+        'all_recall_cnt': 0,
+        'old_user_test_cnt': 0,
+        'old_user_recall_cnt': 0,
+        'new_user_test_cnt': 0,
+        'new_user_recall_cnt': 0,
+        'same_user_recall_cnt': 0,
+        'similar_user_recall_cnt': 0,
+    }
+
+    for rd in result_detail:
+        metrics['all_test_cnt'] += 1
+        if rd['is_recall']:
+            metrics['all_recall_cnt'] += 1
+            
+            is_same_user, is_similar_user = False, False
+            for counselor in rd['recall_counselors']:
+                from_id = counselor['from'].split(' ')[1]
+                if from_id == rd['uid']:
+                    is_same_user = True
+                if from_id != rd['uid']:
+                    is_similar_user = True
+            if is_same_user:
+                metrics['same_user_recall_cnt'] += 1
+
+            if is_similar_user:
+                metrics['similar_user_recall_cnt'] += 1
+
+        if rd['is_old_user']:
+            metrics['old_user_test_cnt'] += 1
+            if rd['is_recall']:
+                metrics['old_user_recall_cnt'] += 1
+        else:
+            metrics['new_user_test_cnt'] += 1
+            if rd['is_recall']:
+                metrics['new_user_recall_cnt'] += 1
+
+
+    logger.info('==' * 20 + ' 测试结果 ' + '==' * 20)
+    logger.info('--' * 45)
+    logger.info('{:<10}{:<10}{:<10}{:<10}'.format('', '样本数', '召回数', '召回率'))
+    logger.info('{:<10}{:<10}{:<10}{:<10.2%}'.format('整体  ', metrics['all_test_cnt'], metrics['all_recall_cnt'], metrics['all_recall_cnt'] / metrics['all_test_cnt']))
+    logger.info('{:<10}{:<10}{:<10}{:<10.2%}'.format('老用户', metrics['old_user_test_cnt'], metrics['old_user_recall_cnt'], metrics['old_user_recall_cnt'] / metrics['old_user_test_cnt']))
+    logger.info('{:<10}{:<10}{:<10}{:<10.2%}'.format('新用户', metrics['new_user_test_cnt'], metrics['new_user_recall_cnt'], metrics['new_user_recall_cnt'] / metrics['new_user_test_cnt']))
+    
+    logger.info('')
+    logger.info('--' * 45)
+    logger.info('用户自己召回数 {} 占总召回比例 {:.2%}'.format(metrics['same_user_recall_cnt'], metrics['same_user_recall_cnt'] / metrics['all_recall_cnt']))
+    logger.info('相似用户召回数 {} 占总召回比例 {:.2%}'.format(metrics['similar_user_recall_cnt'], metrics['similar_user_recall_cnt'] / metrics['all_recall_cnt']))
+
+
+    with open('result_detail.json', 'w', encoding='utf-8') as f:
+        json.dump(result_detail, f, ensure_ascii=False, indent=2)
+
+
+
+def update_test_data(args):
+    start_date = ''
+    if re.match(r'20\d\d-[01]\d-\d\d', args.start_date):
+        start_date = args.start_date
+    elif re.match(r'-\d+', args.start_date):
+        now = datetime.now()
+        start_date = (now - timedelta(days=int(args.start_date[1:]))).strftime('%Y-%m-%d')
+    else:
+        logger.error('args.start_date 参数格式错误，%s', args.start_date)
+        raise
+
+    conditions = ['create_time >= "{}"'.format(start_date)]
+
+    client = MySQLClient.create_from_config_file(get_conf_path())
+    
+    # 订单数据
+    manager = OrderDataManager(client)
+    manager.update_test_order_data(conditions=conditions)
+
+    # 用户画像数据
+    manager = ProfileManager(client)
+    manager.update_test_profile(conditions=conditions)
+    logger.info('测试数据更新完成')
+    
+
+
+if __name__ == '__main__':
+    parser = argparse.ArgumentParser()
+    parser.add_argument('--k', default=5, type=int, help='召回相似用户的数量')
+    parser.add_argument('--top_n', default=5, type=int, help='每个相似用户召回的咨询师数量')
+    parser.add_argument('--max_test', default=0, type=int, help='最多测试数据量')
+    
+    parser.add_argument('--do_update_test_data', default=False, action='store_true', help='是否更新测试数据')
+    parser.add_argument('--start_date', default='-1', type=str, help='测试订单创建的开始时间，可以是"%Y-%m-%d"格式，也可以是 -3 表示前3天')
+
+    args = parser.parse_args()
+
+    if args.do_update_test_data:
+        logger.info('更新测试数据')
+        update_test_data(args)
+
+    main(args)
\ No newline at end of file

src/core/user_similarity.py

@@ -8,6 +8,13 @@ from itertools import combinations
 from ydl_ai_recommender.src.utils import get_data_path
 
 
+logging.basicConfig(
+    format='%(asctime)s - %(levelname)s - %(name)s - %(message)s',
+    datefmt='%m/%d/%Y %H:%M:%S',
+    level=logging.INFO
+)
+
+
 class BasicUserSimilarity():
 
     def __init__(self) -> None:
@@ -24,7 +31,7 @@ class BasicUserSimilarity():
         counselor_user_index = {}
 
         for user, counselors in user_counselor_index.items():
-            user_like_set[user] = len(counselors)
+            user_like_set[user] = set([c[0] for c in counselors])
 
             for [counselor, _, _] in counselors:
                 if counselor not in counselor_user_index:
@@ -32,19 +39,37 @@ class BasicUserSimilarity():
                 counselor_user_index[counselor].append(user)
 
         # 两个用户与同一个咨询师有订单，就认为两个用户相似
-        self.logger.info('开始构建用户相似性关系')
+        self.logger.info('开始构建用户之间相似性关系')
         relations = {}
+        user_index = {}
         for users in counselor_user_index.values():
             for [_u1, _u2] in combinations(users, 2):
                 u1, u2 = min(_u1, _u2), max(_u1, _u2)
                 key = '{}_{}'.format(u1, u2)
                 if key in relations:
                     continue
-                relations[key] = 1.0 / (user_like_set[u1] * user_like_set[u2])
+                sim = len(user_like_set[u1] & user_like_set[u2]) / (len(user_like_set[u1]) * len(user_like_set[u2]))
+                relations[key] = sim
+
+                if u1 not in user_index:
+                    user_index[u1] = {}
+                if u2 not in user_index:
+                    user_index[u2] = {}
+                
+                if u2 not in user_index[u1]:
+                    user_index[u1][u2] = sim
+                if u1 not in user_index[u2]:
+                    user_index[u2][u1] = sim
+
+        user_counselor_index = {}
+        
 
         self.logger.info('用户相似性关系构建完成，共有 %s 对关系', len(relations))
         with open(os.path.join(self.local_file_dir, 'user_similarity.json'), 'w', encoding='utf-8') as f:
             json.dump(relations, f, ensure_ascii=False, indent=2)
+
+    def recall(self, user, N=10, top_k=10):
+        pass
                 
         
 bs = BasicUserSimilarity()

src/data/mysql_client.py

@@ -21,11 +21,26 @@ class MySQLClient():
         self.cursor = self.connection.cursor()
         self._log_info('数据库连接成功')
 
+    def _connect(self):
+        self.connection = pymysql.connect(
+            host=self.host,
+            port=self.port,
+            user=self.user,
+            password=self.password,
+            charset='utf8mb4',
+            cursorclass=pymysql.cursors.DictCursor
+        )
+        self.cursor = self.connection.cursor()
+        self._log_info('数据库连接成功')
+
     def _log_info(self, text, *args, **params):
         if self.logger:
             self.logger.info(text, *args, **params)
 
     def query(self, sql):
+        if self.cursor is None:
+            self._connect()
+
         sql += ' limit 1000'
         self._log_info('begin execute sql: %s', sql)
         row_count = self.cursor.execute(sql)