week4_All Done

Book_transactions.py

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+import json
+import os
+import json
+import os
+
+file_path = 'kitap.json'
+
+def load_books():
+    """Load all books from the JSON file"""
+    if os.path.exists(file_path):
+        try:
+            with open(file_path, 'r') as file:
+                return json.load(file)
+        except (json.JSONDecodeError, FileNotFoundError):
+            # If file is empty or invalid, return empty dict
+            return {}
+    return {}
+def view_books():
+    """View all books in the library"""
+    books = load_books()
+    if not books:
+        print("No books available.")
+        return
+
+    print("\n" + " ----- All Book ---- :".center(100))
+    print("\n{:<10} {:<30} {:<15} {:<15} {:<15} {:<15}".format("Barcode", "Book Title", "Language", "Price", "Publisher", "Author"))
+    print("-" * 100)
+
+
+    for book_name, details in books.items():
+        print(f"{details['barcode']:<10} {details['book_name']:<30} {details['language']:<15} {details['price']:<15} {details['publisher']:<15} {details['author']:<15}")
+        #print("-" * 10)
+
+    print("\n Total books available:", len(books))
+def view_transactions():
+    """View all transactions"""
+    transactions = load_transactions()
+    if not transactions:
+        print("No transactions available.")
+        return
+
+    print("\n--- All Transactions ---")
+    print("\n{:<10} {:<30} {:<15} {:<15}".format("Transaction ID", "Book Title", "Member ID", "Date"))
+
+
+    for transaction in transactions:
+        print(f"{transaction['id']:<10} {transaction['book_name']:<30} {transaction['member_id']:<15} {transaction['date']:<15}")
+        #print("-" * 10)
+
+    print("\n Total transactions:", len(transactions))
+
+def add_transaction():
+    """Add a new transaction"""
+    print("\n--- Add New Transaction ---")
+
+    transaction_id = input("Transaction ID: ")
+    book_name = input("Book title: ")
+    member_id = input("Member ID: ")
+    date = input("Date (YYYY-MM-DD): ")
+
+    # Load existing transactions first
+    transactions = load_transactions()
+
+    # Check if transaction already exists
+    for transaction in transactions:
+        if transaction['id'] == transaction_id:
+            print(f"❌ Transaction ID '{transaction_id}' already exists!")
+            return
+
+    # Add new transaction
+    transactions.append({
+        'id': transaction_id,
+        'book_name': book_name,
+        'member_id': member_id,
+        'date': date
+    })
+
+    # Save all transactions (including the new one)
+    save_transactions(transactions)
+    print(f"\n✅ Transaction '{transaction_id}' added successfully!")
+
+def delete_book():
+    """Delete a book"""
+    print("\n--- Delete Book ---")
+
+    book_name = input("Book title: ")
+
+    # Load existing books first
+    books = load_books()
+
+    # Check if book exists
+    if book_name not in books:
+        print(f"❌ Book '{book_name}' does not exist!")
+        return
+
+    # Delete the book
+    del books[book_name]
+
+    # Save all books (excluding the deleted one)
+    save_books(books)
+    print(f"\n✅ Book '{book_name}' deleted successfully!")
+
+def update_book():
+    """Update an existing book"""
+    print("\n--- Update Book ---")
+
+    book_name = input("Book title to update: ")
+    book_bardcode = input("Book barcode to update: ")
+
+    books = load_books()
+
+
+    if book_name not in books:
+        print(f"❌ Book '{book_name}' does not exist!")
+        return
+    '''if book_bardcode in [book['barcode'] for book in books.values()]:
+        print(f"❌ Book with barcode '{book_bardcode}' already exists!")
+        return 
+    '''
+
+    new_barcode = input("New Barcode: ")
+    new_language = input("New Language: ")
+    new_price = input("New Price: ")
+    new_publisher = input("New Publisher: ")
+    new_author = input("New Author: ")
+
+
+    books[book_name].update({
+        'barcode': new_barcode,
+        'language': new_language,
+        'price': new_price,
+        'publisher': new_publisher,
+        'author': new_author
+    })
+
+
+    save_books(books)
+    print(f"\n✅ Book '{book_name}' updated successfully!")
+    view_books()
+
+def search_book():
+    """Search for a book by title"""
+    print("\n--- Search Book ---")
+
+    book_name = input("Enter book title to search: ")
+
+
+    books = load_books()
+
+    if book_name in books:
+        print(f"✅ Book found: {book_name}")
+        print("\n" + " ----- Book Details you are searched ---- :".center(100))
+        print("\n{:<10} {:<30} {:<15} {:<15} {:<15} {:<15}".format("Barcode", "Book Title", "Language", "Price", "Publisher", "Author"))
+        print("-" * 100)
+        print(f"{books[book_name]['barcode']:<10} {books[book_name]['book_name']:<30} {books[book_name]['language']:<15} {books[book_name]['price']:<15} {books[book_name]['publisher']:<15} {books[book_name]['author']:<15}")
+       # print(f"details: {books[book_name]}")
+    else:
+        print(f"❌ Book '{book_name}' does not exist!")
+
+def load_transactions():
+    """Load all transactions from the JSON file"""
+    transactions_file_path = 'transactions.json'
+    if os.path.exists(transactions_file_path):
+        try:
+            with open(transactions_file_path, 'r') as file:
+                return json.load(file)
+        except (json.JSONDecodeError, FileNotFoundError):
+            # If file is empty or invalid, return empty list
+            return []
+    return []
+def save_transactions(transactions):
+    """Save all transactions to the JSON file"""
+    transactions_file_path = 'transactions.json'
+    with open(transactions_file_path, 'w') as file:
+        json.dump(transactions, file, indent=4)
+
+def save_books(books):
+    """Save all books to the JSON file"""
+    with open(file_path, 'w') as file:
+        json.dump(books, file, indent=4)
+
+def add_new_books():
+    """Add a new book transaction"""
+    print("\n--- Add New Book ---")
+
+    barcode = input("Barcode: ")
+    language = input("Language: ")
+    price = input("Price: ")
+    book_name = input("Book title (or 'exit' to cancel): ")
+    if book_name.lower() == 'exit':
+        return
+    publisher = input("Publisher: ")
+    author = input("Author: ")
+
+    # Load existing books first
+    books = load_books()
+
+    # Check if barcode for book already exists
+    if barcode in [book['barcode'] for book in books.values()]:
+        print(f"❌ Book with barcode '{barcode}' already exists!")
+        return
+
+    # Add new book
+    books[book_name] = {
+        'barcode': barcode,
+        'language': language,
+        'price': price,
+        'book_name': book_name,
+        'publisher': publisher,
+        'author': author
+    }
+
+    # Save all books (including the new one)
+    save_books(books)
+    print(f"\n✅ Book '{book_name}' added successfully!")
+
+def main():
+    # Load all books
+    books = load_books()
+    print(f"\nWelcome! Loaded {len(books)} books from the library.")
+
+    # Your main menu logic would go here
+    add_books()
+
+if __name__ == "__main__":
+    main()
+
+def add_books():
+
+    while True:
+        print("-" * 100)
+        print("\n" + "Welcome to Books managements".center(100))
+        print("\n")
+        print("1. Add Book Transactions")
+        print("2. Delete  Books ")
+        print("3. Update Book Transactions")
+        print("4. Search Book Transactions")
+        print("5. View All Books")
+        print("6. View All Transactions")
+        print("7. Exit")
+        print("-" * 100)
+
+        choice = input("Enter your choice: ")
+
+        if choice == '1':
+            add_new_books()
+            # Add more book transaction options here
+
+        elif choice == '2':
+            delete_book()
+        elif choice == '3':
+            update_book()
+        elif choice == '4':
+            search_book()
+        elif choice == '5':
+            view_books()
+        elif choice == '6':
+            view_transactions()
+        elif choice == '7':
+            print("are you sure you want to exit? (y/n)")
+            confirm = input("Enter your choice: ")
+            if confirm.lower() == 'y':
+               print("Exiting the program.")
+               break
+            else:
+                print("Returning to the main menu.")  
+