122 lines
3.7 KiB
Python
122 lines
3.7 KiB
Python
from flask import Flask, redirect, url_for
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from flask_login import LoginManager, current_user # 添加 current_user 导入
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from config.config import config
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from app.models import db, User, Student # 添加 Student 导入
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import os
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import json # 添加 json 导入
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from datetime import datetime, timedelta # 添加 datetime 和 timedelta 导入
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def create_app(config_name=None):
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if config_name is None:
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config_name = os.environ.get('FLASK_ENV', 'default')
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app = Flask(__name__)
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app.config.from_object(config[config_name])
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# 初始化扩展
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db.init_app(app)
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# 初始化Flask-Login
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login_manager = LoginManager()
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login_manager.init_app(app)
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login_manager.login_view = 'auth.login'
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login_manager.login_message = '请先登录后访问此页面。'
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login_manager.login_message_category = 'info'
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@app.template_filter('fromjson')
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def from_json(value):
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try:
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return json.loads(value)
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except:
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return {}
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@app.template_filter('strptime')
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def strptime_filter(value, format_string):
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try:
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return datetime.strptime(value, format_string)
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except:
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return None
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@app.template_filter('calculate_duration')
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def calculate_duration(start_time, end_time, date_str):
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try:
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if not start_time or not end_time:
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return None
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start_datetime = datetime.strptime(f"{date_str} {start_time}", '%Y-%m-%d %H:%M:%S')
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end_datetime = datetime.strptime(f"{date_str} {end_time}", '%Y-%m-%d %H:%M:%S')
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# 如果结束时间小于开始时间，说明跨天了
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if end_datetime < start_datetime:
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end_datetime += timedelta(days=1)
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duration = (end_datetime - start_datetime).total_seconds() / 3600
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return round(duration, 1)
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except:
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return None
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@app.context_processor
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def utility_processor():
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def get_current_student():
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# 添加安全检查
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if not current_user.is_authenticated:
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return None
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if current_user.is_admin():
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return None
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return Student.query.filter_by(student_number=current_user.student_number).first()
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return dict(get_current_student=get_current_student)
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# 注册Python内置函数到Jinja2环境
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app.jinja_env.globals.update(
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max=max,
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min=min,
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abs=abs,
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round=round,
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len=len,
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int=int,
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float=float,
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str=str,
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sum=sum,
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enumerate=enumerate,
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zip=zip
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)
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@login_manager.user_loader
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def load_user(user_id):
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return User.query.get(int(user_id))
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# 注册蓝图
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from app.routes.auth import auth_bp
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from app.routes.student import student_bp
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from app.routes.admin import admin_bp
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app.register_blueprint(auth_bp, url_prefix='/auth')
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app.register_blueprint(student_bp, url_prefix='/student')
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app.register_blueprint(admin_bp, url_prefix='/admin')
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# 注册模板全局函数
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from app.utils import get_pending_leaves_count
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app.jinja_env.globals.update(
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get_pending_leaves_count=get_pending_leaves_count,
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# 移除这行，因为我们已经通过 context_processor 注册了
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# get_current_student=get_current_student
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)
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# 主页路由
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@app.route('/')
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def index():
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if current_user.is_authenticated:
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if current_user.is_admin():
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return redirect(url_for('admin.dashboard'))
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else:
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return redirect(url_for('student.dashboard'))
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return redirect(url_for('auth.login'))
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# 创建数据库表
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with app.app_context():
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db.create_all()
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return app
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