2023_Python/Property.py at master · Kewei12345/2023_Python · GitHub

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
import datetime

class LibraryItems:

    def __init__(self, Title="", AuthorArtist="", ItemID="", OnLoan=False,Date=datetime.date.today()):
        self.__Title = Title
        self.__AuthorArtist = AuthorArtist
        self.__ItemID = ItemID
        self.__OnLoan = OnLoan
        self.__Date = Date

    #Define getters and setters
    @property
    def GetTitle(self):
        return self.__Title

    @property
    def GetAuthorArtist(self):
        return self.__AuthorArtist

    @property
    def GetItemID(self):
        return self.__ItemID

    @property
    def GetOnLoan(self):
        return self.__OnLoan

    @property
    def GetDate(self):
        return self.__Date

    def Borrowing(self):
        self.__OnLoan = True
        self.__Date = self.__Date + datetime.timedelta(weeks=3)

    def Returning(self):
        self.__OnLoan = False
        self.__Date = datetime.date.today()

    @property
    def PrintDetail(self):
        print("———————————————————————————————————")
        print(self.__Title)
        print(self.__AuthorArtist)
        print(self.__ItemID)
        print(self.__OnLoan)
        print(self.__Date)
        print("———————————————————————————————————")


favourite_book = LibraryItems("Stupid", "Kewei", "12345")


print(favourite_book.GetTitle)
print(favourite_book.GetAuthorArtist)
print(favourite_book.GetItemID)
print(favourite_book.GetOnLoan)
print(favourite_book.GetDate)