Add Library Management System Relates Codes

Author: Tusamma Sal Sabil

project-codes/library-management-system/models.py

@@ -0,0 +1,80 @@
+from abc import ABC, abstractmethod
+from .constants import *
+
+
+class Book(ABC):
+ def __init__(self, ISBN, title, subject, publisher, language, number_of_pages):
+ self.__ISBN = ISBN
+ self.__title = title
+ self.__subject = subject
+ self.__publisher = publisher
+ self.__language = language
+ self.__number_of_pages = number_of_pages
+ self.__authors = []
+
+
+class BookItem(Book):
+ def __init__(self, barcode, is_reference_only, borrowed, due_date, price, book_format, status,
+ date_of_purchase, publication_date, placed_at):
+ self.__barcode = barcode
+ self.__is_reference_only = is_reference_only
+ self.__borrowed = borrowed
+ self.__due_date = due_date
+ self.__price = price
+ self.__format = book_format
+ self.__status = status
+ self.__date_of_purchase = date_of_purchase
+ self.__publication_date = publication_date
+ self.__placed_at = placed_at
+
+ def checkout(self, member_id):
+ if self.get_is_reference_only():
+ print("self book is Reference only and can't be issued")
+ return False
+ if not BookLending.lend_book(self.get_bar_code(), member_id):
+ return False
+ self.update_book_item_status(BookStatus.LOANED)
+ return True
+
+
+class Rack:
+ def __init__(self, number, location_identifier):
+ self.__number = number
+ self.__location_identifier = location_identifier
+
+
+class BookReservation:
+ def __init__(self, creation_date, status, book_item_barcode, member_id):
+ self.__creation_date = creation_date
+ self.__status = status
+ self.__book_item_barcode = book_item_barcode
+ self.__member_id = member_id
+
+ def fetch_reservation_details(self, barcode):
+ None
+
+
+class BookLending:
+ def __init__(self, creation_date, due_date, book_item_barcode, member_id):
+ self.__creation_date = creation_date
+ self.__due_date = due_date
+ self.__return_date = None
+ self.__book_item_barcode = book_item_barcode
+ self.__member_id = member_id
+
+ def lend_book(self, barcode, member_id):
+ None
+
+ def fetch_lending_details(self, barcode):
+ None
+
+
+class Fine:
+ def __init__(self, creation_date, book_item_barcode, member_id):
+ self.__creation_date = creation_date
+ self.__book_item_barcode = book_item_barcode
+ self.__member_id = member_id
+
+ def collect_fine(self, member_id, days):
+ None
+

project-codes/library-management-system/search.py

@@ -0,0 +1,32 @@
+from abc import ABC
+
+
+class Search(ABC):
+ def search_by_title(self, title):
+ None
+
+ def search_by_author(self, author):
+ None
+
+ def search_by_subject(self, subject):
+ None
+
+ def search_by_pub_date(self, publish_date):
+ None
+
+
+class Catalog(Search):
+ def __init__(self):
+ self.__book_titles = {}
+ self.__book_authors = {}
+ self.__book_subjects = {}
+ self.__book_publication_dates = {}
+
+ def search_by_title(self, query):
+ # return all books containing the string query in their title.
+ return self.__book_titles.get(query)
+
+ def search_by_author(self, query):
+ # return all books containing the string query in their author's name.
+ return self.__book_authors.get(query)
+