def center_exists(login):
"""Check if some center exists
:param login: login of some center
:return: boolean
"""
center = User.query.filter_by(login=login).first()
if center is not None:
warning_log(f"Center by this login: {login} is already exists")
return True
else:
return False
def valid_animals(animal_object):
"""Valid animal information
:param animal_object: some animal
:return: boolean
"""
if ('Name' in animal_object and age_validation(animal_object)
and valid_specie_for_animal(animal_object)):
return True
else:
warning_log("Register data of animal are invalid")
return False
def age_validation(obj):
"""Check age for correct input
:param obj: some object
:return: boolean
"""
regular_number = re.compile(r'^\d+(?:.\d*)?$')
if 'Age' in obj and regular_number.match(obj['Age']):
return True
else:
warning_log(f"The age passed incorrect")
return False
def valid_user(user_object):
"""Valid center information
:param user_object: some center
:return: boolean
"""
if ('Login' in user_object and 'Password' in user_object
and 'Address' in user_object):
return True
else:
warning_log("Register data of center is invalid")
return False
def valid_token(token, config):
"""Check if token is valid
:param token: token of center
:param config: secret config
:return: if except return boolean
"""
try:
decode(token, config)
except Exception:
warning_log("Invalid token")
return True
def specie_exists(name):
"""Check if some specie exists
:param name: name of some specie
:return: boolean
"""
specie = Specie.query.filter_by(name=name).first()
if specie is not None:
warning_log(f"Specie by this name: {name} exists")
return False
else:
return True
def valid_specie_for_animal(animal_object):
"""Check if specie exists
:param animal_object: some animal
:return: boolean
"""
specie = Specie.query.filter_by(name=animal_object['Species']).first()
if specie is None:
warning_log("Specie does not exists. You should add it to database")
return False
else:
return True
def valid_species(species_object):
"""Valid specie information
:param species_object: some specie
:return: boolean
"""
if ('Name' in species_object and 'Description' in species_object
and price_validation(species_object)
and specie_exists(species_object['Name'])):
return True
else:
warning_log("Register data of specie is invalid")
return False
def check_user(_login, _password):
"""Check if center exists
:param _login: login of center
:param _password: password of center
:return: boolean
"""
user = User.query.filter_by(login=_login).first()
if user is None:
warning_log('Center is not defined')
return False
else:
return True
def check_center_before_delete(center_id, animal_id):
"""Check center before delete
:param center_id: id of some center
:param animal_id: id of some animal
:return: boolean
"""
animal = Animal.query. \
filter_by(id=animal_id).filter_by(center_id=center_id).first()
if animal is not None:
return True
else:
warning_log(f"Center by this id: {center_id} "
f"does not have animal by this id {animal_id}")
return False