def __init__(self, filename):
"""
Constructor method
Opens the file and loads the entries in memory
filename is a string, the path to the file used for storage
O(n)
"""
ClientList.__init__(self)
self.__filename = filename
try:
self.__clientFile = open(filename, "r")
except IOError:
# File does not exist. Create it.
self.__clientFile = open(filename, "w")
self.__clientFile.close()
self.__clientFile = open(filename, "r")
line = "Nonempty String"
while line != "":
line = self.__clientFile.readline()
if line == "" or line == "\n":
break
details = line.split("|")
client = Client(details[0], details[1])
if details[2] != "":
borrowedBooks = details[2].split(";")
for borrowedBook in borrowedBooks:
if borrowedBook != "":
bookDetails = borrowedBook.split()
book = Book(bookDetails[0], bookDetails[1], bookDetails[2])
client.addBorrowedBook(book)
client.setActivity(int(details[3]))
self.clientList.append(client)
self.__clientFile.close()
def test_Client():
client = Client("name", "cnp")
client.setName("nname")
assert client.getName() == "nname"
assert client.getCnp() == "cnp"
client.setCnp("0")
assert client.getCnp() == "0"
client.setId(0)
def addNewClient(self, name, cnp):
"""
Public method that overwrites the one in the ClientList
Extra functionality: Appends the newly added Client to the file
O(n)
"""
client = Client(name, cnp)
self.__clientFile = open(self.__filename, "a")
errorList = self.validator.validateClient(self.clientList, client)
if errorList != []:
return errorList
self.clientList.append(client)
self.__clientFile.write(client.getName() + "|" + client.getCnp() + "|" + "|" + "0" + "\n")
self.__clientFile.close()
def updateClient(self, oldName, oldCnp, newName, newCnp):
"""
Replaces a client from the list with a new client
All the parameters are strings
Returns False if the client is not found, True otherwise
O(n)
"""
client = Client(oldName, oldCnp)
newClient = Client(newName, newCnp)
found = False
for clientInList in reversed(self.clientList):
if clientInList == client:
found = True
self.clientList[self.clientList.index(clientInList)] = newClient
return found
def addNewClient(self, name, cnp):
"""
Public method that overwrites the one in the ClientList
Extra functionality: Appends the newly added Client to the file
O(n)
"""
client = Client(name, cnp)
self.__clientFile = open(self.__filename, "a")
errorList = self.validator.validateClient(self.clientList, client)
if errorList != []:
return errorList
self.clientList.append(client)
self.__clientFile.write(client.getName() + "|" + client.getCnp() +
"|" + "|" + "0" + "\n")
self.__clientFile.close()
def updateClient(self, oldName, oldCnp, newName, newCnp):
"""
Public method that overwrites the one in the ClientList
Extra functionality: Appends the newly added Client to the file
O(n)
"""
client = Client(oldName, oldCnp)
newClient = Client(newName, newCnp)
found = False
for clientInList in reversed(self.clientList):
if clientInList == client:
found = True
self.clientList[self.clientList.index(
clientInList)] = newClient
self.__listToFile()
return found
def addNewClient(self, name, cnp):
"""
Adds a new client to the client list
All the parameters are strings
Returns the error list generated by the Validator
O(n)
"""
client = Client(name, cnp)
errorList = self.validator.validateClient(self.clientList, client)
if errorList != []:
return errorList
self.clientList.append(client)
def __init__(self, filename):
"""
Constructor method
Opens the file and loads the entries in memory
filename is a string, the path to the file used for storage
O(n)
"""
ClientList.__init__(self)
self.__filename = filename
try:
self.__clientFile = open(filename, "r")
except IOError:
# File does not exist. Create it.
self.__clientFile = open(filename, "w")
self.__clientFile.close()
self.__clientFile = open(filename, "r")
line = "Nonempty String"
while line != "":
line = self.__clientFile.readline()
if line == "" or line == "\n":
break
details = line.split("|")
client = Client(details[0], details[1])
if details[2] != "":
borrowedBooks = details[2].split(";")
for borrowedBook in borrowedBooks:
if borrowedBook != "":
bookDetails = borrowedBook.split()
book = Book(bookDetails[0], bookDetails[1],
bookDetails[2])
client.addBorrowedBook(book)
client.setActivity(int(details[3]))
self.clientList.append(client)
self.__clientFile.close()
def clientInList(self, name, cnp):
"""
Returns the client object from the list, which has the passed details
name and cnp are strings
Returns False if no clients were found
Best case O(1)
Worst case O(n)
Average case O(n)
"""
client = Client(name, cnp)
for clientInList in reversed(self.clientList):
if clientInList == client:
return clientInList
return False
def removeClient(self, name, cnp):
"""
Removes a client from the list
All the parameters are strings
Returns False if the client is not found, True otherwise
O(n)
"""
client = Client(name, cnp)
found = False
for clientInList in reversed(self.clientList):
if clientInList == client:
found = True
self.clientList.pop(self.clientList.index(clientInList))
return found
def removeClient(self, name, cnp):
"""
Public method that overwrites the one in the ClientList
Extra functionality: Appends the newly added Client to the file
O(n)
"""
client = Client(name, cnp)
found = False
for clientInList in reversed(self.clientList):
if clientInList == client:
found = True
self.clientList.pop(self.clientList.index(clientInList))
self.__listToFile()
return found
def test_Client():
client = Client("name", "cnp")
client.setName("nname")
assert client.getName() == "nname"
assert client.getCnp() == "cnp"
client.setCnp("0")
assert client.getCnp() == "0"
client.setId(0)
