def recommend_travel_list_by_travel(user, travel_id, amount=5, max_dist=1200):
# 遍历好友的旅行记录
# 根据城市和该travel的距离、时间间隔排序进行推荐
# 总数不超过amount
user_id = user.get_user_id()
travel = mod_travel.Travel(user_id, travel_id) # travel 是Travel类实例对象
travel_info = travel.get_travel_info()
my_city = travel_info.get_city_id()
friend_list = user.get_friend_list() # friend id list
other_travel_group_list = []
for fr in friend_list:
for tg_id in user.get_others_travel_group_list(fr):
travel_group = mod_travel.TravelGroup(user_id=user_id,
travel_group_id=tg_id)
# rep_time = mod_travel.Travel(user_id=user_id, travel_id=travel_list[0]).get_travel_info().get_date_start()
for travel_id in travel_group.get_travel_list():
travel = mod_travel.Travel(user_id=user_id,
travel_id=travel_id)
company_list = travel.get_company_list()
if user_id not in company_list:
rep_time = travel.get_travel_info().get_date_start()
city = travel.get_travel_info().get_city_id()
dist = get_city_distance(my_city, city)
if (city != my_city) and (dist < max_dist):
other_travel_group_list.append({
"travel_id": travel_id,
"time_delta_days": get_time_delta_days(rep_time),
"city_distance": dist
})
other_travel_group_list.sort(key=lambda x: ((int(x['city_distance'] / 50)) ** 2 + (int(x['time_delta_days'] / 1)) ** 2))
return generate_rec_list(other_travel_group_list, amount, key="travel_id")
def recommend_city_list_by_travel(user, travel_id, amount=3, max_dist=1200):
# 遍历好友的旅行记录
# 根据城市和该travel的距离排序进行推荐
# 不包括本城市
# 总数不超过amount
user_id = user.get_user_id()
travel = mod_travel.Travel(user_id, travel_id) # travel 是Travel类实例对象
travel_info = travel.get_travel_info()
my_city = travel_info.get_city_id()
friend_list = user.get_friend_list() # friend id list
other_travel_group_list = []
for fr in friend_list:
for tg_id in user.get_others_travel_group_list(fr):
travel_group = mod_travel.TravelGroup(user_id=user_id,
travel_group_id=tg_id)
for travel_id in travel_group.get_travel_list():
travel = mod_travel.Travel(user_id=user_id,
travel_id=travel_id)
company_list = travel.get_company_list()
if user_id not in company_list:
city = travel.get_travel_info().get_city_id()
dist = get_city_distance(my_city, city)
if (city != my_city) and (dist < max_dist):
other_travel_group_list.append({
'city_id': city,
'city_distance': dist
})
other_travel_group_list.sort(key=lambda x: x['city_distance'])
return generate_rec_list(other_travel_group_list, amount, key="city_id")
def recommend_travel_group_list(user, amount=10):
# 遍历好友的旅行记录
# 根据时间和今天的距离排序进行推荐
# 总数不超过amount
user_id = user.get_user_id()
friend_list = user.get_friend_list()
other_travel_group_list = []
for fr in friend_list:
for tg_id in user.get_others_travel_group_list(fr):
travel_group = mod_travel.TravelGroup(user_id=user_id,
travel_group_id=tg_id)
travel_list = travel_group.get_travel_list()
if len(travel_list) == 0:
continue
travel = mod_travel.Travel(user_id=user_id,
travel_id=travel_list[0])
company_list = travel.get_company_list() # 得到朋友travel的company，自己不允许出现在里面
if user_id not in company_list:
rep_time = travel.get_travel_info().get_date_start()
# represent time in isoformat
# e.g. "1989-06-04"
other_travel_group_list.append({
'travel_group_id': tg_id,
'time_delta_days': get_time_delta_days(rep_time)
})
other_travel_group_list.sort(key=lambda x: x['time_delta_days'])
return generate_rec_list(other_travel_group_list, amount, key="travel_group_id")
def join_friends_travel(request_data):
travel = mod_travel.Travel(user_id=request_data['friend_user_id'],
travel_id=request_data['friend_travel_id'])
travel.add_company(company_user_id=request_data['user_id'])
response = {}
return response
def invite_travel_company(request_data):
travel = mod_travel.Travel(user_id=request_data['user_id'],
travel_id=request_data['travel_id'])
travel.invite_company(company_user_id=request_data['friend_user_id'])
response = {}
return response
def leave_friends_travel(request_data):
travel = mod_travel.Travel(user_id=request_data['friend_user_id'],
travel_id=request_data['friend_travel_id'])
travel.remove_company(company_user_id=request_data['user_id'],
actively_leave=True)
response = {}
return response
def get_travel_company_list(request_data):
travel = mod_travel.Travel(user_id=request_data['user_id'],
travel_id=request_data['travel_id'])
company_list = travel.get_company_list()
response = {
'count': len(company_list),
'company_list': company_list
}
return response
def copy_travel(request_data):
user_id = request_data['user_id']
src_travel = mod_travel.Travel(user_id=user_id,
travel_id=request_data['source_travel_id'])
src_travel_info = src_travel.get_travel_info()
src_travel_group_dbobj = mod_travel.get_travel_group_instance_by_travel_id(travel_id=src_travel.get_travel_id())
src_travel_owner_user_dbobj = mod_travel.get_travel_group_owner_user_instance(
travel_group_id=src_travel_group_dbobj.travel_group_id)
travel_group = mod_travel.TravelGroup(user_id=user_id,
travel_group_id=request_data['travel_group_id'])
new_travel = travel_group.add_travel(city_id=src_travel_info.get_city_id(),
date_start=isoformat_to_date(src_travel_info.get_date_start()),
date_end=isoformat_to_date(src_travel_info.get_date_end()),
travel_note=src_travel_info.get_travel_note(),
visibility=src_travel_info.get_visibility())
if user_id in src_travel.get_company_list() and request_data['add_association']:
new_travel.add_company(company_user_id=src_travel_owner_user_dbobj.user_id)
response = {
'new_travel_id': new_travel.get_travel_id()
}
return response