groep4_week4

books.py

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+import json
+
+FILE_NAME = "kitap.json"
+
+# Kitapları yükle
+def load_books():
+    try:
+        with open(FILE_NAME, "r") as file:
+            return json.load(file)  # Kitapları liste olarak döndürüyoruz
+    except FileNotFoundError:
+        print("Books file not found.")
+        return []
+    except json.JSONDecodeError:
+        print("Error decoding books JSON file.")
+        return []
+
+# Kitapları kaydet
+def save_books(books):
+    with open(FILE_NAME, "w") as file:
+        json.dump(books, file, indent=4)
+
+# Kitapları listele
+def list_books():
+    books = load_books()
+
+    if not books:
+        print("No books available.")
+    else:
+        print("Available Books:")
+        for book in books:
+            print(f"Barkod: {book['Barkod']}")
+            print(f"Title: {book['Kitap_Adi']}")
+            print(f"Author: {book['Yazar']}")
+            print(f"Publisher: {book['Yayinevi']}")
+            print(f"Language: {book['Dil']}")
+            print(f"Price: {book['Fiyat']}")
+            print("----------------------------")
+
+# Kitap ekle
+def add_book():
+    books = load_books()
+
+    barkod = int(input("Enter the barcode: "))
+    title = input("Enter the book title: ")
+    author = input("Enter the author: ")
+    publisher = input("Enter the publisher: ")
+    language = input("Enter the language: ")
+    price = float(input("Enter the price: "))
+
+    new_book = {
+        "Barkod": barkod,
+        "Kitap_Adi": title,
+        "Yazar": author,
+        "Yayinevi": publisher,
+        "Dil": language,
+        "Fiyat": price
+    }
+
+    books.append(new_book)  # Kitap listesine ekliyoruz
+    save_books(books)
+    print("Book added successfully.")
+
+# Kitap ara
+def search_book():
+    books = load_books()
+
+    barkod = int(input("Enter the barcode of the book to search: "))
+
+    found = False
+    for book in books:
+        if book['Barkod'] == barkod:
+            print(f"Book found: {book['Kitap_Adi']} by {book['Yazar']}")
+            print(f"Barkod: {book['Barkod']}, Publisher: {book['Yayinevi']}, Price: {book['Fiyat']}")
+            found = True
+            break
+
+    if not found:
+        print("Book not found.")
+
+# Kitap sil
+def delete_book():
+    books = load_books()
+
+    barkod = int(input("Enter the barcode of the book to delete: "))
+
+    book_found = False
+    for book in books:
+        if book['Barkod'] == barkod:
+            books.remove(book)  # Kitabı listeden çıkarıyoruz
+            book_found = True
+            break
+
+    if book_found:
+        save_books(books)
+        print(f"Book with barcode {barkod} has been deleted.")
+    else:
+        print("Book not found.")