def mostActiveClients(self):
"""
:return: The statistic of the most active clients, in descending order of the number of days that they rented books
"""
res = MyList()
rentals = self._rentalRepo.getAll()
for i in rentals:
numberOfDays = datetime.timedelta(0)
rentalsByClient = self.getAllRentalsByClientId(i.getClientId())
for j in rentalsByClient:
numberOfDays += j.getDueDate() - j.getRentedDate()
res.append(
ClientActivity(self.clientNameById(i.getClientId()),
numberOfDays.days))
"""
Eliminate the clients with the same name
"""
res.sort(key=lambda x: x.getClient())
for i in range(0, len(res) - 1):
if res[i].getClient() == res[i + 1].getClient():
res[i].setClient("")
i = 0
while i < len(res):
while res[i].getClient() == "":
res.remove(res[i])
else:
i += 1
res.sort(key=lambda x: x.getNumberOfDays(), reverse=True)
return res
class Repository:
def __init__(self):
self._data = MyList()
def add(self, object):
"""
Add an object to the repository
"""
self._data.append(object)
def remove(self, object):
"""
Removes an object from the repository
"""
#del self._data[id]
#self._data.pop(id)
self._data.remove(object)
def update(self, id, object):
"""
Updates the book at the position id with a new book
:param id: the given position
:param object: the new object
:return: -
"""
self._data[id].update(object)
def __len__(self):
"""
:return: The size of the list
"""
return len(self._data)
def getAll(self):
"""
:return: ALl the elements in the list
"""
return self._data[:] # deepcopy
def get(self, index):
if index < 0 or index >= len(self._data):
raise RepositoryException("Invalid element position")
return self._data[index]
def testList(self):
list = MyList()
self.assertEqual(len(list), 0)
for i in range(0, 10):
list.append(i)
self.assertEqual(len(list), 10)
for i in list:
self.assertEqual(list[i], i)
list.pop(7)
self.assertEqual(len(list), 9)
del list[4]
self.assertEqual(len(list), 8)
list.remove(1)
self.assertEqual(len(list), 7)
list[5] = "Andreea"
self.assertEqual(list[5], "Andreea")
list[2] = list[5]
self.assertEqual(list[2], "Andreea")
def mostRentedAuthors(self):
"""
:return: the list of the most rented authors
"""
authorCounter = MyList()
books = self._bookRepo.getAll()
rentals = self._rentalRepo.getAll()
for i in books:
authorCounter.append(AuthorRental(i.getId(), i.getAuthor(), 0))
for i in rentals:
for j in authorCounter:
if i.getBookId() == j.getBookId():
j.incrementRentalCount()
for i in range(0, len(authorCounter) - 1):
for j in range(i + 1, len(authorCounter)):
if authorCounter[i].getBookAuthor(
) == authorCounter[j].getBookAuthor():
authorCounter[i].addRentalCount(
authorCounter[j].getRentalCount())
authorCounter[j] = AuthorRental(0, "", 0)
i = 0
while i < len(authorCounter):
if authorCounter[i].getBookAuthor() == "":
authorCounter.remove(authorCounter[i])
else:
i += 1
authorCounter.sort(key=lambda x: x.getRentalCount(), reverse=True)
result = []
for i in authorCounter:
result.append(i)
return result