Team 3 homework

Israa_book_transactions.py

@@ -0,0 +1,83 @@
+import json
+import os
+
+
+# books_file='books.json'
+books_file='Israa_kitap.json'
+
+def load_books():
+    if os.path.exists(books_file):
+        with open(books_file,'r') as file:
+            try:
+                data = json.load(file)
+                return data if isinstance(data, list) else []
+            except json.JSONDecodeError:
+                return []
+
+
+def save_books(books):
+    with open(books_file,'w') as file:
+        json.dump(books,file,indent=4)
+
+def add_book(title, author, year,barcode):
+    books = load_books()
+    if books is None:
+        books = []  # Ensure it's always a list
+    books.append({"title": title, "author": author, "year": year,'Barcode':barcode})
+    save_books(books)
+
+def delete_book(title):
+    books = load_books()
+    book_exists = any( book.get('title' ) == title for book in books)
+    if book_exists:
+        books = [book for book in books if  book.get('title' ) != title]
+        save_books(books)
+        print(f'Book "{title}" has been deleted successfully.')
+    else:
+        print(f'Book "{title}" not found.')
+
+def search_book(title):
+    books=load_books()
+    return next((book for book in books if book.get('title' )== title),None)
+
+def list_books():
+    books = load_books()
+    if books:
+        for book in books:
+            print(f"Title: { book.get('Title' )}  -  Author: {book.get('Author' )}")
+    else:
+        print("No books available.")
+
+def main():
+    while True:
+        print('Welcome in Book transactions')
+        print('1.add book')
+        print('2.Search book')
+        print('3.delete book ')
+        print('4.List book')
+        print('5.Exit')
+        choice=input('Please select an option: ')
+
+        if choice=='1':
+            title=input('Enter book title: ')
+            author=input('Enter book author: ')
+            year=input('Enter book year: ')
+            barcode=input('Enter book barcode: ')
+            add_book(title,author,year,barcode)
+            print("Book added successfully!")
+        elif choice=='2':
+            title=input('Enter book title to search: ')
+            book=search_book(title)
+            if book:
+                print(f"Book found! Title: {book['title']}, Author: {book['author']}, Year: {book['year']}")
+            else:
+                print("Book not found.")
+        elif choice=='3':
+            title=input('Enter book title to delete : ')
+            delete_book(title)
+        elif choice=='4':
+            list_books()
+        elif choice=='5':
+            break
+        else:
+            print('Invalid choise , please try again!')

Israa_main.py

@@ -0,0 +1,24 @@
+import Israa_book_transactions
+import Israa_membership_transactions
+
+def main():
+    while True:
+        print('')
+        print('Welcome to our puplic library')
+        print('1.Book transactions')
+        print('2.Membership transactions')
+        print('3.Exit')
+
+        choice=input('Please select an option: ')
+
+        if choice=='1':
+            Israa_book_transactions.main()
+        elif choice=='2':
+             Israa_membership_transactions.main()
+        elif choice=='3':
+            break
+        else:
+            print('Option is not found. Please try again!')
+
+if __name__ == "__main__":
+    main()

Israa_membership_transactions.py

@@ -0,0 +1,162 @@
+import json
+import os 
+from datetime import datetime,timedelta
+import Israa_book_transactions
+
+members_file='members.json'
+tracking_file='tracking.json'
+
+def load_members():
+    if os.path.exists(members_file):
+        with open(members_file,'r') as file:
+            try:
+                data = json.load(file)
+                return data if isinstance(data, list) else []
+            except json.JSONDecodeError:
+                return []
+    return []
+
+def save_members(members):
+    with open(members_file,'w') as file:
+       json.dump(members, file, indent=4)
+
+
+def add_member(name):
+    members=load_members()
+    members.append({'name':name})
+    print('Added member is succesfully')
+    save_members(members)
+
+def delete_member(name):
+    members = load_members()
+    member_exists = any(member["name"] == name for member in members)
+    if member_exists:
+        members = [member for member in members if member["name"] != name]
+        save_members(members)
+        print(f'Member "{name}" has been deleted successfully.')
+    else:
+        print(f'Member "{name}" not found.')
+
+def check_member(name):
+    members = load_members()
+    if any(member["name"] == name for member in members):
+        print(f'Member "{name}" exists.')
+    else:
+        print(f'Member "{name}" not found.')
+
+def save_tracking(tracking_data):
+    existing_tracking = []
+    if os.path.exists(tracking_file):
+        with open(tracking_file, "r") as file:
+            try:
+                existing_tracking = json.load(file)
+                if not isinstance(existing_tracking, list): 
+                    existing_tracking = []
+            except json.JSONDecodeError:
+                existing_tracking = []
+    existing_tracking.append(tracking_data)
+    with open(tracking_file, "w") as file:  
+        json.dump(existing_tracking, file, indent=4)
+
+def lend_book(member_name, book_title):
+    books = Israa_book_transactions.load_books()
+    members = load_members()
+    if not any(member['name'] == member_name for member in members):
+        return "Member not found."
+    book = next((book for book in books if book.get("title") == book_title), None)
+    if not book:
+        return "Book not found."
+
+
+
+    # Calculate loan and return dates
+    loan_date = datetime.now()
+    return_date = loan_date + timedelta(weeks=2)
+
+    tracking_data = {
+        "member": member_name,
+        "book": book_title,
+        "loan_date": loan_date.strftime("%d-%m-%Y"),
+        "return_date": return_date.strftime("%d-%m-%Y")
+    }
+
+    # Save tracking data
+    save_tracking(tracking_data)
+    books = [book for book in books if book.get("title") != book_title]
+    Israa_book_transactions.save_books(books)
+
+    print(f'Book "{book_title}" loaned to "{member_name}". Return by {return_date.strftime("%d-%m-%Y")}')
+
+
+tracking_file = "taksi.json"
+books_file = "Israa_Kitap.json"
+
+def load_json(filename):
+    """ Load JSON data safely from a file """
+    if os.path.exists(filename):
+        with open(filename, "r") as file:
+            try:
+                data = json.load(file)
+                return data if isinstance(data, list) else []
+            except json.JSONDecodeError:
+                return []
+    return []
+
+def save_json(filename, data):
+    """ Save data to JSON file """
+    with open(filename, "w") as file:
+        json.dump(data, file, indent=4)
+
+
+def return_book(member_name, book_title):
+    tracking = load_json(tracking_file)
+    books = load_json(books_file)
+    # Find the loan record
+    loan_record = next((entry for entry in tracking if entry["member"] == member_name and entry["book"] == book_title), None)
+    if not loan_record:
+        print(f'No loan record found for "{book_title}" under "{member_name}".')
+        return
+    # Remove from tracking records
+    tracking = [entry for entry in tracking if not (entry["member"] == member_name and entry["book"] == book_title)]
+    save_json(tracking_file, tracking)
+    # Add book back to Israa_Kitap.json
+    books.append({"title": book_title})
+    save_json(books_file, books)
+    print(f'Book "{book_title}" has been successfully returned by "{member_name}".')
+
+
+def main():
+    while True:
+        print("\nMembership Transactions")
+        print("1. Add Member")
+        print("2. Lend Book")
+        print('3.Delete Member')
+        print("4. Check Member")
+        print('5.Return Book')
+        print('6.Exit')
+
+        choice = input("Please select an option: ")
+
+        if choice == '1':
+            name = input("Enter member name: ")
+            add_member(name)
+        elif choice == '2':
+            member_name = input("Enter member name: ")
+            book_title = input("Enter book title to lend: ")
+            result=lend_book(member_name, book_title)
+            print(result)
+        elif choice=='3':
+            name=input('Enter member name to delete: ')
+            delete_member(name)
+        elif choice =='4':
+            name=input('Enter member name to check: ')
+            check_member(name)
+        elif choice=='5':
+            member_name = input("Enter member name: ")
+            book_title = input("Enter book title to return: ")
+            return_book(member_name, book_title)
+        elif choice == '6':
+            print("Exiting membership transactions.")
+            break
+        else:
+            print("Invalid choice, please try again!")

Israa_time_.py

@@ -0,0 +1,8 @@
+from datetime import datetime,timedelta
+def get_lending_period():
+
+    loan_date = datetime.now()
+    return_date = loan_date + timedelta(weeks=2)
+    return loan_date.strftime("%Y-%m-%d"), return_date.strftime("%Y-%m-%d")
+
+get_lending_period()

asem_python_week_4/asem_book_transactions.py

@@ -0,0 +1,64 @@
+import json
+import os
+
+BOOK_FILE = "kitap.json"
+
+
+def read_books():
+    if os.path.exists(BOOK_FILE):
+        with open(BOOK_FILE, "r", encoding="utf-8") as file:
+            return json.load(file)
+    else:
+        return []
+
+
+def save_books(book_list):
+    with open(BOOK_FILE, "w", encoding="utf-8") as file:
+        json.dump(book_list, file, ensure_ascii=False, indent=4)
+
+
+def add_book(title, author, publisher, barcode):
+    books = read_books()
+
+
+    for book in books:
+        if book["Barkod"] == barcode:
+            print("A book with this barcode already exists.")
+            return
+
+    new_book = {
+        "Barkod": barcode,
+        "Kitap_Adi": title,
+        "Yayinevi": publisher,
+        "Yazar": author
+    }
+
+    books.append(new_book)
+    save_books(books)
+    print("Book added successfully.")
+
+
+def delete_book(barcode_to_delete):
+    books = read_books()
+    updated_books = [book for book in books if book["Barkod"] != barcode_to_delete]
+
+    if len(books) == len(updated_books):
+        print("Book not found.")
+    else:
+        save_books(updated_books)
+        print("Book deleted.")
+
+
+def search_book(search_term):
+    books = read_books()
+    found = False
+    for book in books:
+        if search_term.lower() in book["Kitap_Adi"].lower():
+            print(f"\n Found Book: {book}")
+            found = True
+    if not found:
+        print("No match found.")
+
+
+if __name__ == "__main__":
+    print("Book transactions module loaded.")