Add error page

formula10/__init__.py

@@ -4,6 +4,8 @@ from flask_sqlalchemy import SQLAlchemy
 app: Flask = Flask(__name__)
 app.config['SQLALCHEMY_DATABASE_URI'] = "sqlite:///formula10.db"
 app.config['SQLALCHEMY_TRACK_MODIFICATIONS'] = False
+app.config['SESSION_TYPE'] = 'memcached'
+app.config['SECRET_KEY'] = 'ich stinke nach maggi'
 app.url_map.strict_slashes = False
 
 db: SQLAlchemy = SQLAlchemy()
@@ -12,8 +14,9 @@ db.init_app(app)
 # NOTE: These imports are required to register the routes. They need to be imported after "app" is declared
 import formula10.controller.race_controller  # type: ignore
 import formula10.controller.season_controller
-import formula10.controller.admin_controller
 import formula10.controller.rules_controller
+import formula10.controller.admin_controller
+import formula10.controller.error_controller
 
 
 # TODO
@@ -21,10 +24,10 @@ import formula10.controller.rules_controller
 
 # Date stuff:
 # - Date lock race guess entering + race result entering + season guess entering (frontend + backend)
+# - Some info popup that can be populated
 # - Show timer until next race?
 
 # - Choose "place to guess" late before the race? Make a page for this?
-# - Rules page
 # - Store currently active user inside cookie
 
 # - Make user order changeable using drag'n'drop?

formula10/controller/error_controller.py

@@ -0,0 +1,17 @@
+from typing import cast
+from flask import redirect, render_template, session
+from werkzeug import Response
+
+from formula10.frontend.template_model import TemplateModel
+from formula10 import app
+
+def error_redirect(error_message: str) -> Response:
+    session["error_message"] = error_message
+    return redirect(f"/error")
+
+@app.route("/error")
+def error_root() -> str:
+    model = TemplateModel(active_user_name=None, active_result_race_name=None)
+    message: str = cast(str, session["error_message"])
+
+    return render_template("error.jinja", model=model, error_message=message)

formula10/templates/error.jinja

@@ -0,0 +1,14 @@
+{% extends 'base.jinja' %}
+
+{% block title %}Formula 10 - Error{% endblock title %}
+
+{% set active_page = "/error" %}
+
+{% block body %}
+    <div class="card">
+        <div class="card-body">
+            <h5 class="card-title text-danger fw-bold">Error</h5>
+            <h6 class="card-subtitle">{{ error_message }}</h6>
+        </div>
+    </div>
+{% endblock body %}