web_scraper.py

import requests
from bs4 import BeautifulSoup


class WebScraper:

    def get_books(self, pages=1):
        books = []

        for page in range(1, pages + 1):
            url = f"https://books.toscrape.com/catalogue/page-{page}.html"

            try:
                response = requests.get(url, timeout=10)

                if response.status_code != 200:
                    print(f"Page {page} could not be loaded. ❌")
                    continue

                soup = BeautifulSoup(response.text, "html.parser")

                for book in soup.find_all(
                    "article",
                    class_="product_pod"
                ):
                    title = book.find("h3").find("a")["title"]

                    price_text = book.find(
                        "p",
                        class_="price_color"
                    ).get_text(strip=True)

                    price = float(
                        price_text.replace("£", "").replace("£", "")
                    )

                    rating_class = book.find(
                        "p",
                        class_="star-rating"
                    )["class"]

                    rating = rating_class[1]

                    books.append({
                        "title": title,
                        "price": price,
                        "rating": rating
                    })

            except requests.RequestException:
                print(f"Network error on page {page}. ❌")

        return books

    def search_book(self, keyword, pages=1):
        books = self.get_books(pages)
        found = False

        for book in books:
            if keyword.lower() in book["title"].lower():
                print("\n===== BOOK FOUND =====")
                print(f"Title  : {book['title']}")
                print(f"Price  : £{book['price']:.2f}")
                print(f"Rating : {book['rating']}")
                found = True

        if not found:
            print("No matching books found.")

    def filter_by_price(self, max_price, pages=1):
        books = self.get_books(pages)

        filtered_books = []

        for book in books:
            if book["price"] <= max_price:
                filtered_books.append(book)

        return filtered_books

    def sort_by_price(self, books, descending=False):
        return sorted(
            books,
            key=lambda book: book["price"],
            reverse=descending
        )

    def show_books(self, pages=1):
        books = self.get_books(pages)

        if not books:
            print("No books found.")
            return

        print(f"\n===== {len(books)} BOOKS =====")

        for index, book in enumerate(books, start=1):
            print(f"\n{index}. {book['title']}")
            print(f"   Price  : £{book['price']:.2f}")
            print(f"   Rating : {book['rating']}")