def checkout_cart(cart_id):
body = request.get_json()
required_params = ["payment_method"]
try:
check_parameters(params=body,
required=required_params,
possible=required_params)
except exceptions.ParamsError as e:
return {"message": e.message}, 400
try:
cart = cart_service.checkout_cart(
body, cart_id, request.headers.environ.get('HTTP_AUTHORIZATION'))
except exceptions.PaymentError:
return {"message": "Payment error"}, 500
except exceptions.CartNotFoundException:
return "", 404
except (exceptions.StorageServerError, exceptions.UserAuthServerError):
return "", 500
except exceptions.InvalidPaymentMethod:
return {
"message": "Invalid payment method " + body['payment_method']
}, 400
return cart_mapper.get_cart(cart), 200
def register_user():
body = request.get_json()
possible_params = ['username', 'password', 'role']
try:
check_parameters(params=body, required=possible_params, possible=possible_params)
except exceptions.ParamsError as e:
return {"message": e.message}, 400
try:
user_service.register_user(body['username'], body['password'], body['role'])
except exceptions.UsernameAlreadyRegistered:
return {"message": "Username " + body['username'] + " is already in used."}, 400
return "", 201
def update_cart(cart_id):
body = request.get_json()
possible_params = ["status", "payment_method", "total_amount", "username"]
try:
check_parameters(params=body,
required=possible_params,
possible=possible_params)
except exceptions.ParamsError as e:
return {"message": e.message}, 400
try:
cart = cart_service.update_cart(cart_id, **body)
except exceptions.CartNotFoundException:
return "", 404
return cart_mapper.get_cart(cart), 200
def login_user():
body = request.get_json()
possible_params = ['username', 'password']
try:
check_parameters(params=body, required=possible_params, possible=possible_params)
except exceptions.ParamsError as e:
return {"message": e.message}, 400
username = body['username']
password = body['password']
try:
access_token = user_service.login_user(username, password)
except exceptions.InvalidUsernameOrPassword:
return {"message": "Invalid username or password"}, 400
return {
'token': access_token
}, 200
def login_user():
body = request.get_json()
possible_params = ['username', 'password']
try:
check_parameters(params=body,
required=possible_params,
possible=possible_params)
except exceptions.ParamsError as e:
return {"message": e.message}, 400
try:
token = user_service.login_user(body['username'], body['password'])
except exceptions.InvalidUsernameOrPassword:
return {"message": "Invalid username or password"}, 400
except exceptions.UserAuthServerError:
return "", 500
return {'token': token}, 200
def create_item():
body = request.get_json()
required_params = ["name", "description", "price", "supplier", "category"]
try:
check_parameters(params=body,
required=required_params,
possible=required_params)
except exceptions.ParamsError as e:
return {"message": e.message}, 400
try:
item_id = item_service.create_item(**body)
except exceptions.ItemAlreadyExists:
return {
"message": "There is already an item with the name " + body['name']
}, 400
return {"item_id": str(item_id)}, 201
def update_item(item_id):
body = request.get_json()
possible_params = ["name", "description", "price", "supplier", "category"]
try:
check_parameters(params=body, possible=possible_params)
except exceptions.ParamsError as e:
return {"message": e.message}, 400
try:
item_updated = item_service.update_item(item_id, **body)
except exceptions.ItemNotFoundException:
return 404
except exceptions.NotAnAdmin:
return {"message": "Only admin users can perform this operation"}, 401
except exceptions.ItemAlreadyExists:
return {
"message": "There is already an item with the name " + body['name']
}, 400
return item_mapper.get_item(item_updated), 200
def register_user():
body = request.get_json()
possible_params = ['username', 'password', 'role']
try:
check_parameters(params=body,
required=possible_params,
possible=possible_params)
except exceptions.ParamsError as e:
return {"message": e.message}, 400
try:
user_service.register_user(body['username'], body['password'],
body['role'])
except exceptions.BadRequest as e:
return e.message, 400
except exceptions.UserAuthServerError:
return "", 500
return "", 201
def update_item(item_id):
body = request.get_json()
possible_params = ["name", "description", "price", "supplier", "category"]
try:
check_parameters(params=body, possible=possible_params)
except exceptions.ParamsError as e:
return {"message": e.message}, 400
try:
item_updated = item_service.update_item(
item_id, request.headers.environ.get('HTTP_AUTHORIZATION'), **body)
except exceptions.ItemNotFoundException:
return "", 404
except exceptions.NotAnAdmin:
return {"message": "Only admin users can perform this operation"}, 401
except exceptions.BadRequest as e:
return e.message, 400
except exceptions.StorageServerError:
return "", 500
except exceptions.UserAuthServerError:
return "", 500
return item_mapper.get_item(item_updated), 200