haldis/app/app.py
2022-10-27 19:47:12 +02:00

184 lines
5.4 KiB
Python
Executable file

#!/usr/bin/env python3
"""Main Haldis script"""
import logging
import sentry_sdk
import typing
from datetime import datetime
from logging.handlers import TimedRotatingFileHandler
from admin import init_admin
from config import Configuration
from flask import Flask, render_template
from flask_bootstrap import Bootstrap, StaticCDN
from flask_debugtoolbar import DebugToolbarExtension
from flask_login import LoginManager
from flask_migrate import Migrate, MigrateCommand
from flask_oauthlib.client import OAuth, OAuthException
from flask_script import Manager, Server
from login import init_login
from markupsafe import Markup
from models import db
from models.anonymous_user import AnonymouseUser
from sentry_sdk.integrations.flask import FlaskIntegration
from utils import euro_string, price_range_string, ignore_none
from zeus import init_oauth
def register_plugins(app: Flask) -> Manager:
"""Register the plugins to the app"""
# pylint: disable=W0612
if not app.debug:
timedFileHandler = TimedRotatingFileHandler(
app.config["LOGFILE"], when="midnight", backupCount=100
)
timedFileHandler.setLevel(logging.DEBUG)
loglogger = logging.getLogger("werkzeug")
loglogger.setLevel(logging.DEBUG)
loglogger.addHandler(timedFileHandler)
app.logger.addHandler(timedFileHandler)
# Initialize SQLAlchemy
db.init_app(app)
# Initialize Flask-Migrate
migrate = Migrate(app, db)
app_manager = Manager(app)
app_manager.add_command("db", MigrateCommand)
app_manager.add_command("runserver", Server(port=8000))
init_admin(app, db)
# Init login manager
login_manager = LoginManager()
login_manager.init_app(app)
login_manager.anonymous_user = AnonymouseUser
init_login(app)
# Add oauth
zeus = init_oauth(app)
app.zeus = zeus
# Load the bootstrap local cdn
Bootstrap(app)
app.config["BOOTSTRAP_SERVE_LOCAL"] = True
# use our own bootstrap theme
app.extensions["bootstrap"]["cdns"]["bootstrap"] = StaticCDN()
# Load the flask debug toolbar
toolbar = DebugToolbarExtension(app)
# Make cookies more secure
app.config.update(
SESSION_COOKIE_HTTPONLY=True,
SESSION_COOKIE_SAMESITE="Lax",
)
if not app.debug:
app.config.update(SESSION_COOKIE_SECURE=True)
return app_manager
def add_handlers(app: Flask) -> None:
"""Add handlers for 4xx error codes"""
# pylint: disable=W0612,W0613
@app.errorhandler(404)
def handle404(e) -> typing.Tuple[str, int]:
return render_template("errors/404.html"), 404
@app.errorhandler(401)
def handle401(e) -> typing.Tuple[str, int]:
return render_template("errors/401.html"), 401
def add_routes(application: Flask) -> None:
"""Add all routes to Haldis"""
# import views # TODO convert to blueprint
# import views.stats # TODO convert to blueprint
from login import auth_bp
from views.debug import debug_bp
from views.general import general_bp
from views.order import order_bp
from views.stats import stats_blueprint
from zeus import oauth_bp
application.register_blueprint(general_bp, url_prefix="/")
application.register_blueprint(order_bp, url_prefix="/order")
application.register_blueprint(stats_blueprint, url_prefix="/stats")
application.register_blueprint(auth_bp, url_prefix="/")
application.register_blueprint(oauth_bp, url_prefix="/")
if application.debug:
application.register_blueprint(debug_bp, url_prefix="/debug")
def add_template_filters(app: Flask) -> None:
"""Add functions which can be used in the templates"""
# pylint: disable=W0612
@app.template_filter("countdown")
def countdown(
value, only_positive: bool = True, show_text: bool = True, reload: bool = True
) -> str:
delta = int(value.timestamp() - datetime.now().timestamp())
if delta < 0 and only_positive:
text = "closed"
else:
carry, seconds = divmod(delta, 60)
carry, minutes = divmod(carry, 60)
days, hours = divmod(carry, 24)
days_text = f"{days} days, " if days else ""
appendix = " left" if show_text else ""
text = f"{days_text}{hours:02d}:{minutes:02d}:{seconds:02d}{appendix}"
reload_str = "yes" if reload else "no"
return Markup(
f"<span class='time' data-seconds='{delta}' data-reload='{reload_str}'>"
+ text
+ "</span>"
)
@app.template_filter("year")
def current_year(_value: typing.Any) -> str:
return str(datetime.now().year)
app.template_filter("euro")(euro_string)
app.template_filter("price_range")(price_range_string)
app.template_filter("any")(any)
app.template_filter("all")(all)
app.template_filter("ignore_none")(ignore_none)
def create_app():
"""Initializer for the Flask app object"""
app = Flask(__name__)
# Load the config file
app.config.from_object("config.Configuration")
app_manager = register_plugins(app)
add_handlers(app)
add_routes(app)
add_template_filters(app)
return app, app_manager
# For usage when you directly call the script with python
if __name__ == "__main__":
if Configuration.SENTRY_DSN:
sentry_sdk.init(
dsn=Configuration.SENTRY_DSN,
integrations=[FlaskIntegration()]
)
app, app_mgr = create_app()
app_mgr.run()