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views.py
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import os
import requests
import json
import zoneinfo
import httpx
import random
import string
import datetime
import uuid
import re
from functools import wraps
from urllib.parse import quote
from django.utils import timezone
from django.http import JsonResponse, HttpResponseRedirect
from django.contrib.auth import authenticate, login, logout
from django.views.decorators.csrf import csrf_exempt
from django.middleware.csrf import get_token
from django.db.models import Q
from django.contrib.auth.models import User
import openai
from mysite import settings
from core.models import UserProfile, UserAlias, UserSession
from core.models import Review, CustomCheckInInterval
from core.models import GroupProfile, Recommendation
from core.models import Paper, PaperTranslation, PaperChat
from core.paper import guess_identifier_type, get_paper_info, convert_string_to_datetime
from core.paper import get_stat_all, get_stat_this_month, get_stat_last_month, get_stat_journal
from core.paper import convert_paper_info
def json_post_handler(func):
@wraps(func)
def wrapper(request, *args, **kwargs):
if request.method != 'POST':
return JsonResponse({'success': False, 'error': 'Invalid request method'}, status=405)
try:
data = json.loads(request.body)
request.json_data = data
except json.JSONDecodeError:
return JsonResponse({'success': False, 'error': 'Invalid JSON'}, status=400)
return func(request, *args, **kwargs)
return wrapper
def require_login(func):
@wraps(func)
def wrapper(request, *args, **kwargs):
if not request.user.is_authenticated:
return JsonResponse({'success': False, 'error': 'Authentication required'}, status=401)
return func(request, *args, **kwargs)
return wrapper
def require_admin(func):
@wraps(func)
def wrapper(request, *args, **kwargs):
if not request.user.is_authenticated or not request.user.is_superuser:
return JsonResponse({'success': False, 'error': 'Admin required'}, status=401)
return func(request, *args, **kwargs)
return wrapper
@csrf_exempt # no csrf token when first login in WeiXin mini program
@json_post_handler
def wx_login(request):
data = request.json_data
wx_code = data.get('code', '') or ''
if not wx_code:
return JsonResponse({'success': False, 'error': 'Invalid wx_code'}, status=400)
APP_ID = os.getenv('WX_APP_ID')
SECRET = os.getenv('WX_SECRET')
if not APP_ID or not SECRET:
return JsonResponse({'success': False, 'error': 'Invalid APP_ID or SECRET'}, status=400)
url = f'https://api.weixin.qq.com/sns/jscode2session?appid={APP_ID}&secret={SECRET}&js_code={wx_code}&grant_type=authorization_code'
response = requests.get(url)
if response.status_code != 200:
return JsonResponse({'success': False, 'error': 'Login failed! res: ' + response.text})
if response.json().get('errcode', 0) != 0:
return JsonResponse({'success': False, 'error': 'Login failed! res: ' + response.text})
session_key = response.json().get('session_key', '') or ''
openid = response.json().get('openid', '') or ''
unionid = response.json().get('unionid', '') or ''
if session_key == '' or (openid == '' and unionid == ''):
return JsonResponse({'success': False, 'error': 'Login failed! res: ' + response.text})
nickname = ''
users = UserProfile.objects.filter(Q(wx_openid=openid) | Q(wx_unionid=unionid))
if users.count() == 0:
user = UserProfile(wx_openid=openid, wx_unionid=unionid)
user.save()
else:
user = users[0]
nickname = user.nickname
UserSession.objects.filter(user=user, client_type='weixin').delete()
session = UserSession(user=user, session_key=session_key, client_type='weixin')
session.save()
login(request, user.auth_user)
return JsonResponse({
'success': True,
'nickname': nickname,
'csrfToken': get_token(request), # to WeiXin mini program, make it post request with csrf token in future
'token': str(session.token),
'debug': user.debug_mode
})
def is_token_valid(token):
try:
session = UserSession.objects.get(token=token)
if timezone.now() > session.expires_at:
return False
return True
except UserSession.DoesNotExist:
return False
@json_post_handler
def update_nickname(request):
data = request.json_data
token = data.get('token')
if not token or not is_token_valid(token):
return JsonResponse({'success': False, 'error': 'Invalid or expired token'})
nickname = data.get('nickname')
if not nickname:
return JsonResponse({'success': False, 'error': 'Nickname is required'}, status=400)
try:
session = UserSession.objects.get(token=token)
user = session.user
user.nickname = nickname
user.save()
except UserSession.DoesNotExist:
return JsonResponse({'success': False, 'error': 'Invalid token!'})
return JsonResponse({'success': True})
@json_post_handler
def do_login(request):
data = request.json_data
username = data.get('username')
password = data.get('password')
if username is None or password is None:
return JsonResponse({'success': False, 'error': 'Invalid username or password'}, status=400)
user = authenticate(request, username=username, password=password)
if user is None or user.core_user_profile.pk != 1:
return JsonResponse({'success': False, 'error': 'Login failed. Please check your credentials.'})
UserSession.objects.filter(user=user.core_user_profile, client_type='website').delete()
session = UserSession(user=user.core_user_profile, client_type='website')
session.save()
login(request, user)
return JsonResponse({
'success': True,
'nickname': user.core_user_profile.nickname,
'token': str(session.token),
'debug': user.core_user_profile.debug_mode
})
def do_logout(request):
logout(request)
return JsonResponse({'success': True})
def query_user(request, user):
"""
Return JSON:
{
"success": True/False,
"error": "...", /* empty if succeed */
"query": "...", /* 查询词 */
"results": {
"nickname" : "...", /* 昵称 */
"username" : "...", /* 用户名 */
}
}
"""
u = UserProfile.objects.filter(nickname=user)
if u.count() == 0:
u = UserProfile.objects.filter(auth_user__username=user)
if u.count() == 0:
return JsonResponse({"error": "user '" + user + "' not found."})
else:
return JsonResponse({
'success': True,
"query": user,
"results": {
"nickname": u[0].nickname,
"username": u[0].auth_user.username,
}})
def query_review(request, id):
"""
Return JSON:
{
"error": "...", /* empty if succeed */
"query": "...", /* 查询词 */
"raw": { ... }, /* 访问URL的原始结果 */
"results": {
"doi" : "...", /* DOI，唯一标识，据此可查询到信息 */
"title" : "...", /* 文献标题 */
"journal" : "...", /* 杂志名称 */
"pub_year": "...", /* 发表年份 */
"authors" : "...", /* 作者列表，半角逗号或回车隔开 */
"abstract": "...", /* 摘要 */
"urls" : "...", /* 超链接，回车隔开 */
}
}
"""
review_info, raw_dict = get_paper_info(id)
if review_info is None:
return JsonResponse({
'success': False,
"error": raw_dict
})
return JsonResponse({
'success': True,
"query": id,
"raw": raw_dict,
"results": {
"doi": review_info.get('doi', '') or '',
"pmid": review_info.get('pmid', '') or '',
"arxiv_id": review_info.get('arxiv_id', '') or '',
"pmcid": review_info.get('pmcid', '') or '',
"title": review_info.get('title', '') or '',
"journal": review_info.get('journal', '') or '',
"pub_year": review_info.get('pub_year', '') or '',
"authors": review_info.get('authors', []) or [],
"abstract": review_info.get('abstract', '') or '',
"urls": review_info.get('urls', []) or [],
}})
@json_post_handler
@require_login
def query_paper_info(request):
data = request.json_data
identifier = data.get('identifier')
if identifier is None:
return JsonResponse({'success': False, 'error': f"Invalid request!"})
identifier_type, identifier = guess_identifier_type(identifier)
paper_info_old, raw_dict = get_paper_info(identifier)
paper_info = convert_paper_info(paper_info_old, raw_dict)
return JsonResponse({
'success': True,
'results': {
'identifier': identifier,
'identifier_type': identifier_type,
'title': paper_info.title or '',
'journal': paper_info.journal or '',
'pub_date': paper_info.pub_date or '',
'pub_year': paper_info.pub_year,
'authors': paper_info.authors or [],
'affiliations': paper_info.affiliations or [],
'abstract': paper_info.abstract or '',
'keywords': paper_info.keywords or [],
'urls': paper_info.urls or '',
'doi': paper_info.doi or '',
'pmid': paper_info.pmid or '',
'arxiv_id': paper_info.arxiv_id or '',
'pmcid': paper_info.pmcid or '',
'cnki_id': paper_info.cnki_id or '',
'language': paper_info.language or '',
}
})
@json_post_handler
@require_login
def submit_review(request):
data = request.json_data
review_id = data.get('review_id')
paper_id = data.get('paper_id')
comment = data.get('comment')
if review_id is None or paper_id is None:
return JsonResponse({'success': False, 'error': f"Invalid request!"})
review_id = int(review_id)
paper_id = int(paper_id)
review = Review.objects.get(pk=review_id)
if review is None:
return JsonResponse({'success': False, 'error': f"Review not found: {review_id}"})
if review.paper.pk != paper_id:
return JsonResponse({'success': False, 'error': f"Review {review_id} does not match paper {paper_id} (expected {review.paper.pk})"})
if not request.user.is_superuser and review.creator != request.user.core_user_profile:
return JsonResponse({'success': False, 'error': f"Review {review_id} is not created by user {request.user.core_user_profile} (expected {review.creator})"})
if review.comment != comment:
review.comment = comment
review.update_time = timezone.now()
review.save()
if 'paper' in data:
paper_info = data['paper']
any_change = False
if review.paper.title != paper_info.get('title'):
review.paper.title = paper_info.get('title')
any_change = True
if review.paper.journal != paper_info.get('journal'):
review.paper.journal = paper_info.get('journal')
any_change = True
if review.paper.pub_year != paper_info.get('pub_year'):
review.paper.pub_year = paper_info.get('pub_year')
any_change = True
if review.paper.authors != paper_info.get('authors'):
review.paper.authors = paper_info.get('authors')
any_change = True
if review.paper.affiliations != paper_info.get('affiliations'):
review.paper.affiliations = paper_info.get('affiliations')
any_change = True
if review.paper.abstract != paper_info.get('abstract'):
review.paper.abstract = paper_info.get('abstract')
any_change = True
if review.paper.keywords != paper_info.get('keywords'):
review.paper.keywords = paper_info.get('keywords')
any_change = True
if review.paper.urls != paper_info.get('urls'):
review.paper.urls = paper_info.get('urls')
any_change = True
if review.paper.doi != paper_info.get('doi'):
review.paper.doi = paper_info.get('doi')
any_change = True
if review.paper.pmid != paper_info.get('pmid'):
review.paper.pmid = paper_info.get('pmid')
any_change = True
if review.paper.arxiv_id != paper_info.get('arxiv_id'):
review.paper.arxiv_id = paper_info.get('arxiv_id')
any_change = True
if review.paper.pmcid != paper_info.get('pmcid'):
review.paper.pmcid = paper_info.get('pmcid')
any_change = True
if review.paper.cnki_id != paper_info.get('cnki_id'):
review.paper.cnki_id = paper_info.get('cnki_id')
any_change = True
if review.paper.language != paper_info.get('lang'):
review.paper.language = paper_info.get('lang')
any_change = True
if any_change:
review.paper.save()
return JsonResponse({'success': True})
def add_review(request):
if not request.user.is_authenticated:
return JsonResponse({
'success': False,
'error': 'User is not authenticated!',
})
if request.method != 'POST':
return JsonResponse({
'success': False,
'error': 'POST method required!'
})
try:
s = request.POST['username']
if UserProfile.objects.filter(nickname=s).count() > 0:
user = UserProfile.objects.filter(nickname=s)[0]
elif UserProfile.objects.filter(auth_user__username=s).count() > 0:
user = UserProfile.objects.filter(auth_user__username=s)[0]
else:
user = UserProfile(nickname=s)
user.save()
if 'create_time' in request.POST:
s = request.POST['create_time']
create_time = convert_string_to_datetime(s)
if create_time is None:
return JsonResponse({
'success': False,
'error': f"Invalid format of 'create_time': '{s}'!"
})
create_time = timezone.make_aware(create_time, timezone.get_current_timezone())
else:
create_time = timezone.now()
paper = Paper(
journal = request.POST['journal'],
pub_year = request.POST['pub_year'],
title = request.POST['title']
)
review_id = request.POST['review_id']
paper_info, raw_dict = get_paper_info(review_id)
if paper_info is not None:
paper.doi = paper_info.get('doi', '') or ''
paper.pmid = paper_info.get('pmid', '') or ''
paper.arxiv_id = paper_info.get('arxiv_id', '') or ''
paper.pmcid = paper_info.get('pmcid', '') or ''
paper.authors = "\n".join(paper_info.get('authors', []))
paper.abstract = paper_info.get('abstract', '') or ''
paper.urls = "\n".join(paper_info.get('urls', []))
paper.save()
review = Review(
paper = paper,
creator = user,
create_time = create_time,
update_time = create_time,
comment = request.POST['comment'])
review.save()
group_name = request.POST['group_name']
if group_name:
group = GroupProfile.objects.get(name=group_name)
group.reviews.add(review)
group.save()
except Exception as e:
return JsonResponse({
'success': False,
'error': f"An error occurred: {e}"
})
return JsonResponse({'success': True})
def edit_review(request):
if not request.user.is_authenticated:
return JsonResponse({
'success': False,
'error': 'User is not authenticated!',
})
try:
id = request.POST['id']
#review_id = request.POST['review_id'] # TODO: query review info
p = Review.objects.get(pk=id)
p.title = request.POST['title']
p.pub_year = request.POST['pub_year']
p.journal = request.POST['journal']
p.comment = request.POST['comment']
p.save()
except Exception as e:
return JsonResponse({
'success': False,
'error': f"An error occurred: {e}"
})
return JsonResponse({'success': True})
def get_latest_deadline():
now = timezone.now()
year = now.year
month = now.month
if month == 1:
year -= 1
month = 12
else:
month -= 1
cci = CustomCheckInInterval.objects.filter(year=year, month=month)
if cci.count() > 0:
deadline = cci.deadline
else:
deadline = timezone.make_aware(datetime.datetime(now.year, now.month, 1), timezone.get_current_timezone())
return deadline
@json_post_handler
@require_login
def delete_review(request):
data = request.json_data
review_id = data.get('review_id')
review = Review.objects.get(pk=review_id)
if review is None:
return JsonResponse({'success': False, 'error': f"Review not found: {review_id}"})
if not request.user.is_superuser:
if review.creator != request.user.core_user_profile:
return JsonResponse({
'success': False,
'error': f"Review {review_id} is not created by user {request.user.core_user_profile} (expected {review.creator})"
})
if review.create_time < get_latest_deadline():
return JsonResponse({
'success': False,
'error': f"Review {review_id} is too old to delete!"
})
review.delete_time = timezone.now()
review.save()
return JsonResponse({'success': True})
def restore_review(request):
if not request.user.is_authenticated:
return JsonResponse({
'success': False,
'error': 'User is not authenticated!',
})
try:
id = request.POST['review_id']
p = Review.objects.get(pk=id)
p.delete_time = None
p.save()
except Exception as e:
return JsonResponse({
'success': False,
'error': f"An error occurred: {e}"
})
return JsonResponse({'success': True})
def delete_review_forever(request):
if not request.user.is_authenticated:
return JsonResponse({
'success': False,
'error': 'User is not authenticated!',
})
try:
id = request.POST['review_id']
Review.objects.get(pk=id)
Review.objects.filter(pk=id).delete()
except Exception as e:
return JsonResponse({
'success': False,
'error': f"An error occurred: {e}"
})
return JsonResponse({'success': True})
@json_post_handler
@require_login
def add_search_result(request):
data = request.json_data
paper_id = data.get('paper_id')
comment = data.get('comment') or ''
user = request.user.core_user_profile
paper = Paper.objects.get(pk=paper_id)
if paper is None:
return JsonResponse({'success': False, 'error': f"Paper not found: {paper_id}"})
review_list = Review.objects.filter(creator=user, paper=paper)
if review_list.count() > 0:
review = review_list[0]
if review.comment != comment:
review.comment = comment
review.update_time = timezone.now()
review.save()
else:
review = Review(paper=paper, creator=user, comment=comment)
review.save()
return JsonResponse({'success': True})
@json_post_handler
@require_login
def add_recommendation(request):
data = request.json_data
paper_id = data.get('paper_id')
comment = data.get('comment') or ''
user = request.user.core_user_profile
paper = Paper.objects.get(pk=paper_id)
if paper is None:
return JsonResponse({'success': False, 'error': f"Paper not found: {paper_id}"})
review_list = Review.objects.filter(creator=user, paper=paper)
if review_list.count() > 0:
review = review_list[0]
if review.comment != comment:
review.comment = comment
review.update_time = timezone.now()
review.save()
else:
review = Review(paper=paper, creator=user, comment=comment)
review.save()
for recommendation in Recommendation.objects.filter(user=user, paper=paper, read_time__isnull=True):
for label in recommendation.labels.all():
if label not in review.labels.all():
review.labels.add(label)
recommendation.read_time = timezone.now()
recommendation.save()
return JsonResponse({'success': True})
@json_post_handler
@require_login
def mark_read_recommendation(request):
data = request.json_data
paper_id = data.get('paper_id')
user = request.user.core_user_profile
paper = Paper.objects.get(pk=paper_id)
if paper is None:
return JsonResponse({'success': False, 'error': f"Paper not found: {paper_id}"})
for recommendation in Recommendation.objects.filter(user=user, paper=paper, read_time__isnull=True):
recommendation.read_time = timezone.now()
recommendation.save()
return JsonResponse({'success': True})
@json_post_handler
@require_login
def restore_recommendation(request):
data = request.json_data
paper_id = data.get('paper_id')
user = request.user.core_user_profile
paper = Paper.objects.get(pk=paper_id)
if paper is None:
return JsonResponse({'success': False, 'error': f"Paper not found: {paper_id}"})
for recommendation in Recommendation.objects.filter(user=user, paper=paper, read_time__isnull=False):
recommendation.read_time = None
recommendation.save()
return JsonResponse({'success': True})
@json_post_handler
def fetch_rank_full_list(request):
data = request.json_data
token = data.get('token')
if not token or not is_token_valid(token):
return JsonResponse({'success': False, 'error': 'Invalid or expired token'})
group_name = data.get('group_name')
group = GroupProfile.objects.get(name=group_name)
if group is None:
return JsonResponse({'success': False, 'error': f"Group not found: {group_name}"})
reviews = group.reviews.filter(delete_time__isnull=True)
index = data.get('index', 0)
if index == 0:
stat = get_stat_this_month(reviews, group_name)
elif index == 1:
stat = get_stat_last_month(reviews, group_name)
elif index == 2:
stat = get_stat_all(reviews, group_name)
elif index == 3:
stat = get_stat_journal(reviews, group_name)
else:
return JsonResponse({'success': False, 'error': f"Invalid index: {index}"})
return JsonResponse({'success': True, 'results': stat})
@json_post_handler
def fetch_rank_list(request):
data = request.json_data
token = data.get('token')
if not token or not is_token_valid(token):
return JsonResponse({'success': False, 'error': 'Invalid or expired token'})
group_name = data.get('group_name')
group = GroupProfile.objects.get(name=group_name)
if group is None:
return JsonResponse({'success': False, 'error': f"Group not found: {group_name}"})
reviews = group.reviews.filter(delete_time__isnull=True)
stat_1 = get_stat_this_month(reviews, group_name, top_n=10)
stat_2 = get_stat_last_month(reviews, group_name, top_n=10)
stat_3 = get_stat_all(reviews, group_name, top_n=10)
stat_4 = get_stat_journal(reviews, group_name, top_n=10)
return JsonResponse({'success': True, 'results': [stat_1, stat_2, stat_3, stat_4]})
def get_user_aliases(user):
aliases = [user]
for alias in UserAlias.objects.filter(user=user):
aliases.append(alias.alias)
for alias in UserAlias.objects.filter(alias=user):
aliases.append(alias.user)
return aliases
@json_post_handler
def fetch_review_list(request):
data = request.json_data
token = data.get('token')
if not token or not is_token_valid(token):
return JsonResponse({'success': False, 'error': 'Invalid or expired token'})
group_name = data.get('group_name')
group = GroupProfile.objects.get(name=group_name)
if group is None:
return JsonResponse({
'success': False,
'error': f"Group not found: {group_name}"
})
reviews = group.reviews.filter(delete_time__isnull=True)
mode = data.get('mode', 0)
if mode == 0: # all
pass
elif mode == 1: # this month
reviews = reviews.filter(create_time__year=timezone.now().year, create_time__month=timezone.now().month)
elif mode == 2: # last month
year = timezone.now().year
month = timezone.now().month
if month == 1:
year -= 1
month = 12
else:
month -= 1
reviews = reviews.filter(create_time__year=year, create_time__month=month)
elif mode == 3: # user own
token = data.get('token')
user = UserSession.objects.get(token=token).user
aliases = get_user_aliases(user)
reviews = reviews.filter(creator__in=aliases)
else:
return JsonResponse({
'success': False,
'error': f"Invalid mode: {mode}"
})
reviews = reviews.order_by('-create_time', '-pk')
index = data.get('index', 0)
end_index = index + 10
return JsonResponse({
'success': True,
'results': [{
'id': p.pk,
'creator': p.creator.nickname,
'create_time': timezone.localtime(p.create_time, timezone=zoneinfo.ZoneInfo(settings.TIME_ZONE)).strftime("%Y-%m-%d %H:%M"),
'pub_year': p.pub_year,
'title': p.title,
'journal': p.journal,
'comment': p.comment,
'doi': p.doi,
'pmid': p.pmid,
'arxiv_id': p.arxiv_id,
'pmcid': p.pmcid,
} for p in reviews[index:end_index]]
})
@json_post_handler
def fetch_review_info(request):
data = request.json_data
token = data.get('token')
if not token or not is_token_valid(token):
return JsonResponse({'success': False, 'error': 'Invalid or expired token'})
review_id = data.get('review_id')
review_info, raw_dict = get_paper_info(review_id)
if review_info is None:
return JsonResponse({
'success': False,
"error": raw_dict
})
return JsonResponse({
'success': True,
"results": {
"title": review_info.get('title', '') or '',
"journal": review_info.get('journal', '') or '',
"pub_year": review_info.get('pub_year', '') or '',
}})
@json_post_handler
def submit_comment(request):
data = request.json_data
token = data.get('token')
if not token or not is_token_valid(token):
return JsonResponse({'success': False, 'error': 'Invalid or expired token'})
group_name = data.get('group_name')
group = GroupProfile.objects.get(name=group_name)
if group is None:
return JsonResponse({
'success': False,
'error': f"Group not found: {group_name}"
})
review_id = data.get('review_id')
title = data.get('title')
pub_year = data.get('pub_year')
journal = data.get('journal')
nickname = data.get('nickname')
comment = data.get('comment')
review_info, raw_dict = get_paper_info(review_id)
user = UserSession.objects.get(token=token).user
if user.nickname != nickname:
user.nickname = nickname
user.save()
now = timezone.now()
review = Review(creator=user,
create_time=now,
update_time=now,
title=title or review_info['title'],
pub_year=pub_year or review_info['pub_year'],
journal=journal or review_info['journal'],
comment=comment)
if review_info is not None:
review.doi = review_info['id'].get('doi', '') or ''
review.pmid = review_info['id'].get('pmid', '') or ''
review.arxiv_id = review_info['id'].get('arxiv_id', '') or ''
review.pmcid = review_info['id'].get('pmcid', '') or ''
review.cnki_id = review_info['id'].get('cnki_id', '') or ''
review.authors = "\n".join(review_info.get('authors', []))
review.abstract = review_info.get('abstract', '') or ''
review.urls = "\n".join(review_info.get('urls', []))
review.update_time = timezone.now()
review.save()
group.reviews.add(review)
group.save()
return JsonResponse({'success': True})
@json_post_handler
@require_login
def summarize_by_gpt(request):
data = request.json_data
paper_id = data.get('paper_id')
if paper_id is None:
return JsonResponse({'success': False, 'error': 'Invalid request!'})
paper = Paper.objects.get(pk=paper_id)
if paper is None:
return JsonResponse({'success': False, 'error': f"Paper not found: {paper_id}"})
if paper.title is None or paper.title == '':
return JsonResponse({'success': False, 'error': f"Paper title is empty: {paper_id}"})
chat_list = PaperChat.objects.filter(paper=paper, user=request.user.core_user_profile)
if chat_list.count() > 0:
chat = chat_list[0]
if chat.chat_response is not None and chat.chat_response != '':
return JsonResponse({'success': True, 'answer': chat.chat_response})
chat = PaperChat(paper=paper, user=request.user.core_user_profile)
chat.chat_request = 'Please summarize and comment on the following literature in Chinese:\n\n'
chat.chat_request += f"Title: {paper.title}\n\n"
if paper.abstract is not None and paper.abstract != '':
chat.chat_request += f"Abstract:\n{paper.abstract}\n\n"
chat.chat_request += "Please summarize the core ideas and major innovations of the article. Also, please identify any shortcomings or areas for improvement. If it is a study on medicine or biology, please specify key information such as research subjects, types of diseases, research methods used, and sample types. If it involves computational biology, bioinformatics, or high-throughput omics, also mention whether the corresponding data and code are publicly available."
in_msg = [
{
"role": "system",
"content": "This is a scientific literature reading assistance chatbot. It mainly uses Chinese to communicate with the user."
},
{
"role": "system",
"content": "You can ask questions about the literature or request a summary of the literature."
},
{
"role": "user",
"content": chat.chat_request
},
]
try:
proxy_url = os.environ.get("OPENAI_PROXY_URL")
if proxy_url is None or proxy_url == "":
client = openai.OpenAI()
else:
client = openai.OpenAI(http_client=httpx.Client(proxy=proxy_url))
completion = client.chat.completions.create(
model = os.environ.get("OPENAI_MODEL"),
messages = in_msg,
)
out_msg = completion.choices[0].message.content.strip()
if out_msg == '':
return JsonResponse({'success': False, 'error': 'Failed to summarize the paper!'})
except Exception as e:
print("Failed to connect to OpenAI server! " + str(e))
return JsonResponse({'success': False, 'error': 'Failed to connect to OpenAI server! ' + str(e)})
chat.response_time = timezone.now()
chat.chat_response = out_msg
chat.save()
return JsonResponse({'success': True, 'answer': chat.chat_response})
def get_weixin_qr(request):
appid = os.getenv('WEB_APP_ID')
web_domain = os.getenv('WEB_DOMAIN')
redirect_uri = quote(f'https://{web_domain}/api/weixin_callback/')
current_url = request.GET.get('current_url', f'https://{web_domain}/')
state = quote(current_url)
url = f"https://open.weixin.qq.com/connect/qrconnect?appid={appid}&redirect_uri={redirect_uri}&response_type=code&scope=snsapi_login&state={state}#wechat_redirect"
return JsonResponse({'url': url})
def weixin_callback(request):
code = request.GET.get('code')
appid = os.getenv('WEB_APP_ID')
secret = os.getenv('WEB_APP_SECRET')
token_url = f"https://api.weixin.qq.com/sns/oauth2/access_token?appid={appid}&secret={secret}&code={code}&grant_type=authorization_code"
response = requests.get(token_url)
data = response.json()
access_token = data.get('access_token')
#expires_in = data.get('expires_in')
openid = data.get('openid')
#refresh_token = data.get('refresh_token')
#scope = data.get('scope')
unionid = data.get('unionid')
if openid is None or unionid is None:
return JsonResponse({'success': False, 'error': 'Invalid openid or unionid'}, status=400)
userinfo_url = f"https://api.weixin.qq.com/sns/userinfo?access_token={access_token}&openid={openid}"
response2 = requests.get(userinfo_url)
nickname = str.encode(response2.json()['nickname'], 'latin1').decode('utf8')
profiles = UserProfile.objects.filter(
Q(wx_unionid=unionid) | Q(wx_openid=openid)
)
if profiles.count() == 0 or profiles[0].pk != 1:
return JsonResponse({'success': False, 'error': 'Login failed. Please check your credentials.'})
if profiles.count() == 0:
def generate_random_username():
letters = string.ascii_letters
return 'u-' + ''.join(random.choice(letters) for _ in range(10))
def get_unique_random_username():
while True:
username = generate_random_username()
if User.objects.filter(username=username).count() == 0:
return username
username = get_unique_random_username()
user = User(username=username)
user.save()
profile = UserProfile(auth_user=user, nickname=nickname, wx_openid=openid, wx_unionid=unionid)
profile.save()
else:
profile = profiles[0]
user = profile.auth_user
if profile.nickname != nickname:
profile.nickname = nickname
profile.save()
if profile.wx_openid != openid or profile.wx_unionid != unionid:
profile.wx_openid = openid
profile.wx_unionid = unionid
profile.save()
UserSession.objects.filter(user=profile, client_type='website').delete()
session = UserSession(user=profile, session_key='', client_type='website')
session.save()
login(request, user)
redirect_to = request.GET.get('state')
return HttpResponseRedirect(redirect_to)
def translate_text(s):
try:
AZURE_KEY = os.getenv('AZURE_KEY')
AZURE_ENDPOINT = os.getenv('AZURE_ENDPOINT')
AZURE_LOCATION = os.getenv('AZURE_LOCATION')
AZURE_PATH = '/translate'
constructed_url = AZURE_ENDPOINT + AZURE_PATH
params = {
'api-version': '3.0',
'from': 'en',
'to': 'zh-Hans',
}
headers = {
'Ocp-Apim-Subscription-Key': AZURE_KEY,
# location required if you're using a multi-service or regional (not global) resource.
'Ocp-Apim-Subscription-Region': AZURE_LOCATION,
'Content-type': 'application/json',
'X-ClientTraceId': str(uuid.uuid4())
}
# You can pass more than one object in body.
body = [{'text': s}]
request = requests.post(constructed_url, params=params, headers=headers, json=body)
response = request.json()
return True, response[0]['translations'][0]['text']
except Exception as e:
return False, f"An error occurred: {e}"
from django.db import transaction, IntegrityError
from django.http import JsonResponse
def handle_translation(request, field_name, translation_func, model, translation_model, translation_field):
data = request.json_data
paper_id = data.get('paper_id')
try:
paper = Paper.objects.get(pk=paper_id)
except Paper.DoesNotExist:
return JsonResponse({'success': False, 'error': f"Paper not found: {paper_id}"})
field_value = getattr(paper, field_name, '').strip()
if not field_value:
return JsonResponse({'success': True, 'answer': ''})
# 预先检查是否已经有翻译，减少不必要的翻译操作
translation_instance = translation_model.objects.filter(paper=paper).first()
if translation_instance and getattr(translation_instance, translation_field):
return JsonResponse({'success': True, 'answer': getattr(translation_instance, translation_field)})
# 执行耗时的翻译操作
success, result_text = translation_func(field_value)
if not success:
return JsonResponse({'success': False, 'error': result_text})
# 使用数据库事务和锁来避免并发问题
try:
with transaction.atomic():
translation_instance, created = translation_model.objects.select_for_update().get_or_create(paper=paper)
if not created and getattr(translation_instance, translation_field):
return JsonResponse({'success': True, 'answer': getattr(translation_instance, translation_field)})