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EnglishPal/app/admin_service.py

121 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
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_number = get_number_of_articles()
try:
_page_size = min(int(request.args.get("size", 5)), article_number)
if _page_size <= 0:
raise ZeroDivisionError
_cur_page = min(int(request.args.get("page", 1)), article_number // _page_size)
except ValueError:
return "page parmas must be int!"
except ZeroDivisionError:
return "page size must bigger than zero"
context = {
"article_number": article_number,
"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_number_of_articles()
context["article_number"] = article_len
context["text_list"] = get_page_articles(_cur_page, _page_size)
if request.method == "GET":
delete_id = int(request.args.get("delete_id", 0))
if delete_id: # 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", "")
level = data.get("level", "5")
if content:
try: # check level
if level not in [str(x + 1) for x in range(5)]:
raise ValueError
except ValueError:
return "level must be between 1 and 5"
add_article(content, source, level, question)
_update_context()
if username:
update_user_password(username)
return render_template("admin_index.html", **context)
def add_article(content, source="manual_input", level="5", question="No question"):
with db_session:
# add one article to sqlite
Article(
text=content,
source=source,
date=datetime.now().strftime("%-d %b %Y"), # format style of `5 Oct 2022`
level=level,
question=question,
)
def delete_article(article_id):
article_id &= 0xFFFFFFFF # max 32 bits
with db_session:
article = Article.select(article_id=article_id)
if article:
article.first().delete()
def get_number_of_articles():
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().order_by(User.name)[:]
def update_user_password(username, password="123456"):
with db_session:
user = User.select(name=username)
if user:
user.first().password = md5(username + password)