first commit

lib/index.js

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+const modules = require("./module");
+const config = require("../config");
+const axios = require("axios");
+
+class AmazonBookSearch {
+  constructor(location) {
+    if (location !== "tr" && location !== "en") {
+      throw new Error("Yanlış konum!");
+    }
+
+    this.url = location === "tr" ? config.tr_base_url : config.en_base_url;
+
+    const fetchBookId = async (isbn) => {
+      const headers = config.headers;
+      try {
+        const url = encodeURI(this.url + isbn);
+        const response = await axios.get(url, { headers });
+        if (!response.data) {
+          throw new Error("Kitap bilgisi bulunamadı!");
+        }
+        const bookId = modules.extractBookId(response.data);
+        
+        return bookId;
+      } catch (error) {
+        throw new Error("Hata: " + error.message);
+      }
+    };
+
+    this.getBookDetails = async (isbn, geminiApiKey) => {
+      
+      const headers = config.headers;
+      try {
+        const bookId = await fetchBookId(isbn);
+        const url = encodeURI(location == "tr" ? config.tr_detail_url + bookId : config.en_detail_url + bookId);
+        
+        return new Promise((resolve, reject) => {
+          setTimeout(async () => {
+            try {
+              const response = await axios.get(url, { headers });
+
+              if (!response.data) {
+                throw new Error("Detay bilgisi bulunamadı!");
+              }
+              const details = await modules.extractBookDetails(
+                response.data,
+                isbn,
+                geminiApiKey,
+                location
+              );
+              resolve(details);
+            } catch (error) {
+              reject(error);
+            }
+          }, config.fetchTimeout);
+        });
+      } catch (error) {
+        throw new Error("Hata: " + error.message);
+      }
+    };
+  }
+}
+
+module.exports = AmazonBookSearch;
+
+// Gemini API Key girilirse, amazon'da bulunan kitap açıklaması gemini tarafından yeniden oluşturulur.
+// (async () => {
+//   try {
+//     const BookSearch = new AmazonBookSearch("tr");
+//     const bookDetails = await BookSearch.getBookDetails("9786257746168", "AIzaSyAY15XJcK1VIxzMRe48dyDEeNPqeqhQt2I");
+//     console.log(bookDetails);
+//   } catch (error) {
+//     console.log(error.message);
+//   }
+// })();
+
+// // 
+// (async () => {
+//   try {
+//     const BookSearch = new AmazonBookSearch("en");
+//     const bookDetails = await BookSearch.getBookDetails("0593724283");
+//     console.log(bookDetails);
+//   } catch (error) {
+//     console.log(error.message);
+//   }
+// })();

lib/module.js

@@ -0,0 +1,106 @@
+const { GoogleGenerativeAI } = require("@google/generative-ai");
+const cheerio = require("cheerio");
+
+const geminiDescriptionEdit = async (description, geminiApiKey, location) => {
+  if (geminiApiKey != undefined) {
+    const genAI = new GoogleGenerativeAI(geminiApiKey);
+    const model = genAI.getGenerativeModel({ model: "gemini-pro" });
+    let prompt;
+    if (location == "en") {
+      prompt =
+        description +
+        " based on the text above, provide a detailed book description of similar length. Do not add any comments to the text, remain completely faithful to it. Only provide the book description, without using a title like book description.";
+        console.log(prompt);
+        
+    } else {
+      prompt =
+        description +
+        " yukarıdaki metine bağlı kalarak, benzer uzunlukta bir kitap tanımı ver. Metine hiçbir yorum katma, metine tamamen sadık kal. Sadece kitap tanımını ver, Kitap Tanımı şeklinde bir başlık kullanma";
+    }
+    const result = await model.generateContent(prompt);
+    const response = await result.response;
+    return response.text();
+  } else {
+    return description;
+  }
+};
+
+const extractBookId = (html) => {
+  const $ = cheerio.load(html);
+  let bookId = null;
+
+  $("[data-csa-c-item-id]").each((index, element) => {
+    const itemId = $(element).attr("data-csa-c-item-id");
+    if (!itemId.startsWith("amzn1.asin.1.B")) {
+      bookId = itemId
+        .replace(/^amzn1\.asin(\.amzn1)?\./, "")
+        .replace(/^1\./, "");
+      return false; // Exit loop after finding the first valid bookId
+    }
+  });
+
+  return bookId;
+};
+const extractBookPage = ($) => {
+  const text = $("div.rpi-attribute-value span").text(); // İçeriği al
+  const numberMatch = text.match(/\d+/); // Yalnızca rakamları al
+  return numberMatch ? parseInt(numberMatch[0], 10) : null; // Sayıyı döndür
+};
+
+const extractBookPublisher = ($) => {
+  const publisherParentDiv = $(".rpi-icon.book_details-publisher").parent();
+  const publisherDiv = publisherParentDiv.next();
+  const spanInsidePublisherSibling = publisherDiv.find("span");
+  return spanInsidePublisherSibling.text();
+};
+
+const extractBookDate = ($) => {
+  const dateParentDiv = $(".rpi-icon.book_details-publication_date").parent();
+  const dateDiv = dateParentDiv.next();
+  const spanInsideDateSibling = dateDiv.find("span");
+  return spanInsideDateSibling.text();
+};
+
+const extractBookDetails = async (html, isbn, geminiApiKey, location) => {
+  const extractedText = html
+    .match(
+      /<div\s[^>]*class="a-expander-content a-expander-partial-collapse-content"[^>]*>(.*?)<\/div>/s
+    )?.[1]
+    ?.replace(/<[^>]+>/g, "")
+    .trim();
+
+  // Sonucu yazdır
+  const $ = cheerio.load(html);
+  const title = $("#imgTagWrapperId img").attr("alt");
+  const thumbImage = $("#imgTagWrapperId img").attr("src");
+  const authorName = $(".author a").text();
+
+  const descriptionRaw = $("#bookDescription_feature_div .a-expander-content")
+    .text()
+    .trim();
+
+  const description = await geminiDescriptionEdit(
+    descriptionRaw,
+    geminiApiKey,
+    location
+  );
+  const page = extractBookPage($);
+  const publisher = extractBookPublisher($);
+  const date = extractBookDate($);
+  const ratingText = $('i[data-hook="average-star-rating"] .a-icon-alt').text();
+  const rate = ratingText.match(/[\d.,]+/)[0].replace(",", ".");
+
+  return {
+    title,
+    thumbImage,
+    authorName,
+    description,
+    page,
+    publisher,
+    isbn,
+    date,
+    rate
+  };
+};
+
+module.exports = { extractBookId, extractBookDetails };