def check_float(key, value):
if isinstance(value, int):
try:
value = float(value)
except:
raise BadArgumentError(f"Parameter {key} must be a float")
check(value is None or isinstance(value, float), f"Parameter {key} must be a float")
def check_barcode(key, value):
if isinstance(value, str):
try:
value = int(value)
except:
raise BadArgumentError(f"Parameter {key} must be an integer or integer compatible")
check(value is None or isinstance(value, int), f"Parameter {key} must be an integer")
def checked(obj, requirements, convert_missing_nut_to_zero=False):
if not isinstance(obj, dict):
raise BadArgumentError("Invalid arguments provided, JSON required")
checkedArgs = {}
for key, constraint in requirements.items():
value = obj.get(key)
for check in constraint:
check(key, value)
if value is not None:
checkedArgs[key] = value
elif convert_missing_nut_to_zero:
checkedArgs[key] = 0.0
return checkedArgs
def server_format(payload, upc):
'''Converts Nutritionix API results to db mapping format.'''
new_food = {}
if 'foods' not in payload:
raise BadArgumentError('invalid barcode provided')
food = payload['foods'][0]
div = food['serving_weight_grams'] if food[
'serving_weight_grams'] else 100.0
scale = 100.0 / div
unit_res = {
'serving_qty':
food['serving_qty'],
'serving_unit':
food['serving_unit'],
'grams_per_unit':
food['serving_weight_grams']
if food['serving_weight_grams'] else 100.0,
}
brand = food['brand_name'] if 'brand_name' in food else ''
new_food['food_detail'] = {
'food_desc':
food['food_name'] + ', ' +
brand if len(brand) > 0 else food['food_name'],
'barcode':
upc,
'brand':
brand,
}
new_food['image'] = food['photo']['thumb']
new_food['nutrition'] = convert_to_nut_map(food['full_nutrients'], scale)
new_food['food_units'] = get_food_units(unit_res)
return new_food
def parsed_request():
content = request.get_json()
if content is None:
raise BadArgumentError("Error on parsing arguments")
return content
def check(condition, message):
from daily_bites_app.errors import BadArgumentError
if not condition:
raise BadArgumentError(message)
def get_meal_by_id(cls, meal_id):
meal = cls.query.filter_by(id=meal_id).first()
# do a check here for meal
if meal is None:
raise BadArgumentError("No such meal")
return meal