def user_tagging_by_reactionlist(reaction_list, reaction_type_weight, a_u_tagmap):
"""
根据交互记录列表来给用户打tags
:param reaction_list:
:param reaction_type_weight:
:param a_u_tagmap:
:return:
"""
process_count = 0
for reaction in reaction_list:
# reaction_id = reaction.reaction_id
user_id = reaction.reaction_user_id
a_id = reaction.reaction_a_id
reaction_type = reaction.reaction_type
try:
inst_user = DAO_utils.mongo_get_user(user_id)
except DAO_utils.DAOException, de:
print de
# 数据库中不存在该用户，则新建一个
inst_user = WechatUser(user_id=user_id)
DAO_utils.mongo_insert_user(inst_user)
user_atag_vec = inst_user.user_atag_vec
user_tag_score_vec = inst_user.user_tag_score_vec
weight = reaction_type_weight[reaction_type]
try:
article = DAO_utils.mongo_get_article(a_id)
for a_tag_key in article.a_tags: # 文章的tags应该是一个dict
if a_tag_key in user_atag_vec:
user_atag_vec[a_tag_key] += weight * article.a_tags[a_tag_key]
else:
user_atag_vec[a_tag_key] = weight * article.a_tags[a_tag_key]
except DAO_utils.DAOException, de:
print de
continue # 没有该文章在数据库中，则跳过
a_id = article_id
reaction_type = 'read'
try:
inst_user = DAO_utils.mongo_get_user(user_id, admin_id)
except DAO_utils.DAOException, de:
print de
# 数据库中不存在该用户，则新建一个
inst_user = WechatUser(user_id=user_id, admin_id=admin_id)
DAO_utils.mongo_insert_user(inst_user)
user_atag_vec = inst_user.user_atag_vec
user_tag_score_vec = inst_user.user_tag_score_vec
weight = reaction_type_weight[reaction_type]
try:
article = DAO_utils.mongo_get_article(a_id)
for a_tag_key in article.a_tags: # 文章的tags应该是一个dict
if a_tag_key in user_atag_vec:
user_atag_vec[a_tag_key] += weight * article.a_tags[a_tag_key]
else:
user_atag_vec[a_tag_key] = weight * article.a_tags[a_tag_key]
except DAO_utils.DAOException, de:
print de
return {'code': 1, 'msg': 'error, details=%s' % de}
# continue # 没有该文章在数据库中，则跳过
# 用户的atag_vec处理完毕，开始处理user_tag_score_vec
# TODO 更好的权值赋值公式
for a_tag_key in user_atag_vec.keys():
if a_u_tagmap: # 如果有article-user-tagmap则进行映射
for u_tag_key in a_u_tagmap[a_tag_key]: