def __len__(self):
'''
Returns the length of the current list of activities.
:return: integer - length of the current list of activities
'''
self.__list[:] = sort(self.__list, key=lambda x: str(x))
return len(self.__list)
def __iter__(self):
'''
Returns an iterator object for the repository.
:return: iter(list) - iterator object
'''
self.__list[:] = sort(self.__list, key=lambda x: str(x))
return iter(self.__list)
def __len__(self):
'''
Returns the length of the current list of people.
:return: integer - length of the current list of people
'''
self.__list[:] = sort(self.__list, key=lambda x: x.id)
return len(self.__list)
def activities_for_person_by_date(self, id):
'''
Returns a list of activities performed by the person with the indicated ID by date.
:param id: positive integer - person's ID
:return: list of Activity as specified
:exception NABException: if one of the parameters is not valid
'''
funct = lambda x: x.person.id == id
L = filter(funct, self.__activityRepo)
return sort(L, key=lambda x: x.date)
def add(self, activity):
'''
Adds an activity to the current list of activities.
:param activity: Activity - activity to be added
:return: activity is added to the current list of activities
:exception NABException: if one of the parameters is not valid
'''
if type(activity) is not Activity:
raise NABException("The given activity is not valid.")
self.__list.append(activity)
self.__list[:] = sort(self.__list, key=lambda x: str(x))
def add(self, person):
'''
Adds a person to the current list of people, if his ID does not already exist.
:param person: Person - person to be added
:return: person is added to the current list of people
:exception NABException: if one of the parameters is not valid or a person with that ID already exists
'''
if type(person) is not Person:
raise NABException("The given person is not valid.")
if self.find(person.id) != -1:
raise NABException("There's already a person with that ID.")
self.__list.append(person)
self.__list[:] = sort(self.__list, key=lambda x: x.id)
def activities_in_interval_alphabetically(self, date1, date2):
'''
Returns a list of activities performed in the indicated interval alphabetically by description.
:param date1: string - start date in a valid format
:param date1: string - end date in a valid format
:return: list of Activity as specified
:exception NABException: if one of the parameters is not valid
'''
if date1 > date2:
raise NABException("End date must be after the start date.")
if not ActivityValidator.valid_date(date1) or not ActivityValidator.valid_date(date2):
raise NABException("At least one of the dates is invalid.")
funct = lambda x: date1 <= x.date and x.date <= date2
L = filter(funct, self.__activityRepo)
return sort(L, key=lambda x: x.description)
def people_with_activities_in_interval(self, date1, date2):
'''
Returns a list of people who perform activities in the indicated interval.
:param date1: string - start date in a valid format
:param date1: string - end date in a valid format
:return: list of Person as specified
:exception NABException: if one of the parameters is not valid
'''
if date1 > date2:
raise NABException("End date must be after the start date.")
if not ActivityValidator.valid_date(date1) or not ActivityValidator.valid_date(date2):
raise NABException("At least one of the dates is invalid.")
funct = lambda x: len([a for a in self.__activityRepo if a.person == x and date1 <= a.date and a.date <= date2]) != 0
L = filter(funct, self.__personRepo)
return sort(L, key=lambda x: x.id)
