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# -------------------------------------------------------------------------
# Copyright (c) Microsoft Corporation. All rights reserved.
# Licensed under the MIT License. See License in the project root for
# license information.
# --------------------------------------------------------------------------
import os
from datetime import datetime
from flask import Flask, redirect, render_template, request, send_from_directory, url_for
from azure.projects import AzureApp
from azure.data.tables import TableClient, UpdateMode
from models import Restaurant, Review
app = Flask(__name__, template_folder="templates", static_folder="static")
class RestaurantReviewApp(AzureApp):
restaurants: TableClient
reviews: TableClient
azproject = RestaurantReviewApp.load(
attr_map={"restaurants": "restaurant_data", "reviews": "review_data"},
)
@app.route("/", methods=["GET"])
def index():
restaurants = [Restaurant(**e) for e in azproject.restaurants.list_entities()]
return render_template("index.html", restaurants=restaurants)
@app.route("/<id>", methods=["GET"])
def details(id):
restaurant = next(
azproject.restaurants.query_entities("PartitionKey eq @partition", parameters={"partition": id}), None
)
if not restaurant:
return (
'<h1>404</h1><p>Restaurant not found!</p><img src="https://httpcats.com/404.jpg" alt="cat in box" width=400>',
404,
)
reviews = [Review(**e) for e in azproject.reviews.query_entities("RowKey eq @row", parameters={"row": id})]
return render_template("details.html", restaurant=Restaurant(**restaurant), reviews=reviews)
@app.route("/create", methods=["GET"])
def create_restaurant():
return render_template("create_restaurant.html")
@app.route("/add", methods=["POST"])
def add_restaurant():
name = request.values.get("restaurant_name")
street_address = request.values.get("street_address")
description = request.values.get("description")
if not name or not street_address:
error = "You must include a restaurant name and address."
return render_template("create_restaurant.html", error=error)
else:
restaurant = Restaurant(name=name, street_address=street_address, description=description)
azproject.restaurants.upsert_entity(restaurant.model_dump(by_alias=True), mode=UpdateMode.REPLACE)
return redirect(url_for("details", id=restaurant.id))
@app.route("/review/<id>", methods=["POST"])
def add_review(id):
user_name = request.values.get("user_name")
rating = request.values.get("rating")
review_text = request.values.get("review_text")
review = Review(
restaurant=id, user_name=user_name, rating=int(rating), review_text=review_text, review_date=datetime.now()
)
azproject.reviews.upsert_entity(review.model_dump(by_alias=True))
return redirect(url_for("details", id=id))
@app.context_processor
def utility_processor():
def star_rating(id):
reviews = azproject.reviews.query_entities("RowKey eq @row", parameters={"row": id})
ratings = []
review_count = 0
for review in reviews:
ratings += [review["rating"]]
review_count += 1
avg_rating = sum(ratings) / len(ratings) if ratings else 0
stars_percent = round((avg_rating / 5.0) * 100) if review_count > 0 else 0
return {"avg_rating": avg_rating, "review_count": review_count, "stars_percent": stars_percent}
return dict(star_rating=star_rating)
@app.route("/favicon.ico")
def favicon():
return send_from_directory(
os.path.join(app.root_path, "static"), "favicon.ico", mimetype="image/vnd.microsoft.icon"
)
if __name__ == "__main__":
app.run()
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