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app.py
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app.py
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import connexion, logging, database
import os
from database import init_db
from flask import current_app, request
from services.restaurant_service import RestaurantService
import json
db_session = None
_max_seats = 6
def _get_response(message: str, code: int, is_custom_obj: bool = False):
"""
This method contains the code to make a new response for flask view
:param message: Message response
:param code: Code result
:return: a json object that look like {"result": "OK"}
"""
if is_custom_obj is False:
return {"result": message}, code
return message, code
def serialize(obj):
return dict([(k, v) for k, v in obj.__dict__.items() if k[0] != "_"])
# time objects are not serializeble in JSON so they are changed in strings
def JSON_serialization(obj_dict):
for key, value in obj_dict.items():
if str(type(value)) == "<class 'datetime.time'>":
obj_dict.update({key: value.strftime("%H:%M")})
elif str(type(value)) == "<class 'datetime.datetime'>":
obj_dict.update({key: value.strftime("%Y-%m-%dT%H:%M:%SZ")})
elif str(type(value)) == "<class 'decimal.Decimal'>":
obj_dict.update({key: float(value)})
return obj_dict
def list_obj_json(name_list, list_objs):
objects = []
for obj in list_objs:
objects.append(JSON_serialization(serialize(obj)))
if len(name_list) == 0:
return objects
else:
list_json = json.dumps({name_list: objects})
return json.loads(list_json)
def error_message(code, message):
return json.loads(json.dumps({"code": code, "message": message}))
def get_restaurants():
restaurants = RestaurantService.get_all_restaurants()
return list_obj_json("restaurants", restaurants)
def get_restaurant(restaurant_id):
restaurant = RestaurantService.get_restaurant(restaurant_id)
if restaurant is None:
return error_message("404", "Restaurant not found"), 404
else:
return serialize(restaurant)
def get_restaurant_name(restaurant_id):
restaurant = RestaurantService.get_restaurant(restaurant_id)
if restaurant is None:
return error_message("404", "Restaurant not found"), 404
else:
return _get_response(restaurant.name, 200)
def get_restaurant_id_by_owner_email(owner_email):
restaurant = RestaurantService.get_restaurants_by_owner_email(owner_email)
if restaurant is None:
return error_message("404", "Owner not found"), 404
else:
return serialize(restaurant)
def get_restaurants_by_keyword(name):
restaurants = RestaurantService.get_restaurants_by_keyword_name(name)
return list_obj_json("restaurants", restaurants)
def get_menus(restaurant_id):
restaurant = RestaurantService.get_restaurant(restaurant_id)
if restaurant is None:
return error_message("404", "Restaurant not found"), 404
menus = RestaurantService.get_menus(restaurant_id)
all_menus = []
# get menu photos for each menu
for menu in menus:
photos = RestaurantService.get_menu_photos(menu.id)
json_menu = serialize(menu)
photos_list = []
for photo in photos:
photos_list.append(serialize(photo))
json_menu["photos"] = photos_list
all_menus.append(json_menu)
return json.loads(json.dumps({"menus": all_menus}))
def get_dishes(restaurant_id):
restaurant = RestaurantService.get_restaurant(restaurant_id)
if restaurant is None:
return error_message("404", "Restaurant not found"), 404
dishes = RestaurantService.get_dishes(restaurant_id)
return list_obj_json("dishes", dishes)
def get_openings(restaurant_id):
restaurant = RestaurantService.get_restaurant(restaurant_id)
if restaurant is None:
return error_message("404", "Restaurant not found"), 404
openings = RestaurantService.get_openings(restaurant_id)
return list_obj_json("openings", openings)
def get_tables(restaurant_id):
restaurant = RestaurantService.get_restaurant(restaurant_id)
if restaurant is None:
return error_message("404", "Restaurant not found"), 404
tables = RestaurantService.get_tables(restaurant_id)
return list_obj_json("tables", tables)
def get_photos(restaurant_id):
restaurant = RestaurantService.get_restaurant(restaurant_id)
if restaurant is None:
return error_message("404", "Restaurant not found"), 404
photos = RestaurantService.get_photos(restaurant_id)
return list_obj_json("photos", photos)
def get_reviews(restaurant_id):
restaurant = RestaurantService.get_restaurant(restaurant_id)
if restaurant is None:
return error_message("404", "Restaurant not found"), 404
reviews = RestaurantService.get_reviews(restaurant_id)
return list_obj_json("Reviews", reviews)
def get_random_reviews(restaurant_id, number):
restaurant = RestaurantService.get_restaurant(restaurant_id)
if restaurant is None:
return error_message("404", "Restaurant not found"), 404
reviews = RestaurantService.get_reviews_random(restaurant_id, number)
return list_obj_json("Reviews", reviews)
def get_restaurant_more_info(restaurant_id):
# get restaurant and check if restaurant exists
restaurant = RestaurantService.get_restaurant(restaurant_id)
if restaurant is None:
return error_message("404", "Restaurant not found"), 404
info = dict()
info["Restaurant"] = serialize(restaurant)
# get menus
menus = RestaurantService.get_menus(restaurant_id)
all_menus = []
# get menu photos for each menu
for menu in menus:
photos = RestaurantService.get_menu_photos(menu.id)
json_menu = serialize(menu)
photos_list = []
for photo in photos:
photos_list.append(serialize(photo))
json_menu["photos"] = photos_list
all_menus.append(json_menu)
info["Menus"] = all_menus
# get photos about restaurant
photos = RestaurantService.get_photos(restaurant_id)
info["Photos"] = list_obj_json("", photos)
# get dishes
dishes = RestaurantService.get_dishes(restaurant_id)
info["Dishes"] = list_obj_json("", dishes)
# get openings
openings = RestaurantService.get_openings(restaurant_id)
info["Openings"] = list_obj_json("", openings)
return json.loads(json.dumps({"Restaurant_info": info}))
def create_restaurant():
body = request.get_json()
# check if the restaurant already exists (phone number, lat, lon, name)
name = body["restaurant"]["name"]
phone = body["restaurant"]["phone"]
lat = body["restaurant"]["lat"]
lon = body["restaurant"]["lon"]
# if the restaurant already exists: error
if RestaurantService.get_restaurant_with_info(name, phone, lat, lon) is not None:
return error_message("409", "Restaurant already exists"), 409
restaurant = RestaurantService.create_restaurant(body, _max_seats)
json_resp = serialize(restaurant)
if restaurant is None:
return _get_response("An error occur during the restaurants creation", 500)
current_app.logger.debug("Result is: {}".format(json_resp))
return _get_response(json_resp, 201, True)
def create_table(restaurant_id):
restaurant = RestaurantService.get_restaurant(restaurant_id)
if restaurant is None:
return error_message("404", "Restaurant not found"), 404
body = request.get_json()
table = RestaurantService.create_table(
body["name"], body["max_seats"], restaurant_id
)
return serialize(table), 201
def create_dish(restaurant_id):
restaurant = RestaurantService.get_restaurant(restaurant_id)
if restaurant is None:
return error_message("404", "Restaurant not found"), 404
body = request.get_json()
dish = RestaurantService.create_dish(body["name"], body["price"], restaurant_id)
return serialize(dish), 201
def create_photo(restaurant_id):
restaurant = RestaurantService.get_restaurant(restaurant_id)
if restaurant is None:
return error_message("404", "Restaurant not found"), 404
body = request.get_json()
photo = RestaurantService.get_photo_with_url(body["url"])
if len(photo) != 0:
return error_message("409", "URL already present"), 409
photo = RestaurantService.create_restaurant_photo(
body["url"], body["caption"], restaurant_id
)
return serialize(photo), 201
def create_review(restaurant_id):
restaurant = RestaurantService.get_restaurant(restaurant_id)
if restaurant is None:
return error_message("404", "Restaurant not found"), 404
body = request.get_json()
review = RestaurantService.create_review(
body["review"], body["stars"], body["reviewer_email"], restaurant_id
)
return serialize(review), 201
def create_menu_photo(menu_id):
menu = RestaurantService.get_menu(menu_id)
if menu is None:
return error_message("404", "Menu not found"), 404
body = request.get_json()
photo = RestaurantService.get_menu_photo_with_url(body["url"])
if photo is not None:
return error_message("409", "URL already present"), 409
photo = RestaurantService.create_menu_photo(body["url"], body["caption"], menu_id)
return serialize(photo), 201
def get_avg_rating_restaurant(restaurant_id):
"""
get avg of rating for a restaurant
"""
if restaurant_id is None:
return error_message("400", "dish_id not specified"), 400
rating = RestaurantService.get_avg_rating_restaurant(restaurant_id)
if rating == -1:
return _get_response(rating, 404)
else:
return _get_response(rating, 200)
def calculate_rating_for_all_restaurant():
"""
calculate rating for all restaurant(celery)
"""
done = RestaurantService.calculate_rating_for_all_restaurant()
return _get_response(done, 200)
def update_restaurant_info():
"""
update the restaurant infos
"""
data = request.get_json()
result = RestaurantService.update_restaurant_info(data)
if result is False:
return error_message("500", "Restaurant data has not been modified."), 500
else:
return _get_response("Restaurant data has been modified.", 200)
def delete_dish(dish_id):
if dish_id is None:
return error_message("400", "dish_id not specified"), 400
RestaurantService.delete_dish(dish_id)
return _get_response("OK", 200)
def delete_table(table_id):
if table_id is None:
return error_message("400", "table_id not specified"), 400
RestaurantService.delete_table(table_id)
return _get_response("OK", 200)
def delete_restaurant(restaurant_id):
if restaurant_id is None:
return error_message("400", "restaurant_id not specified"), 400
restaurant = RestaurantService.get_restaurant(restaurant_id)
if restaurant is None:
return error_message("404", "Restaurant not found"), 404
RestaurantService.delete_restaurant(restaurant_id)
return _get_response("OK", 200)
def get_table(table_id):
if table_id is None:
return error_message("400", "table not specified"), 400
table = RestaurantService.get_table(table_id)
if table is None:
return error_message("404", "Table not found"), 404
restaurant = RestaurantService.get_restaurant(table.restaurant_id)
if restaurant is None:
return error_message("404", "Restaurant not found"), 404
total_table = {"name": table.name, "max_seats": table.max_seats, "available": table.available, "id": table.id, "restaurant": serialize(restaurant)}
return total_table
# --------- END API definition --------------------------
logging.basicConfig(level=logging.INFO)
app = connexion.App(__name__)
application = app.app
if "GOUOUTSAFE_TEST" in os.environ and os.environ["GOUOUTSAFE_TEST"] == "1":
db_session = init_db("sqlite:///tests/restaurant.db")
else:
db_session = init_db("sqlite:///restaurant.db")
app.add_api("swagger.yml")
# set the WSGI application callable to allow using uWSGI:
# uwsgi --http :8080 -w app
def _init_flask_app(flask_app, conf_type: str = "config.DebugConfiguration"):
"""
This method init the flask app
:param flask_app:
"""
flask_app.config.from_object(conf_type)
flask_app.config["DB_SESSION"] = db_session
@application.teardown_appcontext
def shutdown_session(exception=None):
db_session.remove()
if __name__ == "__main__":
_init_flask_app(application)
app.run(port=5003)