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EnglishPal/app/admin_service.py

119 lines
3.5 KiB
Python

from flask import *
from model import *
from pony.orm import *
from Yaml import yml
from Login import md5
from datetime import datetime
# ? from difficulty import text_difficulty_level
ADMIN_NAME = "lanhui" # unique admin name
_cur_page = 1 # current article page
_page_size = 5 # article sizes per page
adminService = Blueprint("admin_service", __name__)
@adminService.route("/admin", methods=["GET", "POST"])
def admin():
global _cur_page, _page_size
# 未登录,跳转到未登录界面
if not session.get("logged_in"):
return render_template("not_login.html")
# 获取session里的用户名
username = session.get("username")
if username != ADMIN_NAME:
return "You are not admin!"
article_len = get_articles_len()
try:
_page_size = min(int(request.args.get("size", 5)), article_len)
if _page_size <= 0:
raise ZeroDivisionError
_cur_page = min(int(request.args.get("page", 1)), article_len // _page_size)
except ValueError:
return "page parmas must be int!"
except ZeroDivisionError:
return "page size must bigger than zero"
context = {
"text_len": article_len,
"page_size": _page_size,
"cur_page": _cur_page,
"text_list": get_page_articles(_cur_page, _page_size),
"user_list": get_users(),
"username": username,
"yml": yml,
}
def _update_context():
article_len = get_articles_len()
context["text_len"] = article_len
context["text_list"] = get_page_articles(_cur_page, _page_size)
if request.method == "GET":
if delete_id := int(request.args.get("delete_id", 0)): # delete article
delete_article(delete_id)
_update_context()
else:
data = request.form
content = data.get("content", "")
source = data.get("source", "")
question = data.get("question", "")
username = data.get("username", "")
if content:
add_article(content, source, question)
_update_context()
if username:
update_user_password(username)
return render_template("admin_index.html", **context)
def add_article(content, source="manual_input", question="No question"):
with db_session:
# add one atricle to sqlite
Article(
text=content,
source=source,
date=datetime.now().strftime("%-d %b %Y"), # format style of `5 Oct 2022`
level="1",
question=question,
)
# ? There is a question that:
# ? How can i get one article level?
# ? I try to use the function `text_difficulty_level(content,{"test":1})`
# ? However, i lose one dict parma from pickle
# ? So I temporarily fixed the level to 1
def delete_article(article_id):
article_id &= 0xFFFFFFFF # max 32 bits
with db_session:
if article := Article.select(article_id=article_id):
article.first().delete()
def get_articles_len():
with db_session:
return len(Article.select()[:])
def get_page_articles(num, size):
with db_session:
return [
x
for x in Article.select().order_by(desc(Article.article_id)).page(num, size)
]
def get_users():
with db_session:
return User.select()[:]
def update_user_password(username, password="123456"):
with db_session:
if user := User.select(name=username).first():
user.password = md5(username + password)