Add kindle provider

server/providers/Kindle.js

@@ -0,0 +1,61 @@
+const axios = require('axios')
+const htmlSanitizer = require('../utils/htmlSanitizer') // Assuming htmlSanitizer is in the same folder as in Audible
+const Logger = require('../Logger')
+const xpath = require('xpath')
+const jsdom = require('jsdom')
+
+class Kindle {
+  cleanResult(result) {
+    const format = xpath.select('.//a[contains(text(), "Kindle Edition")]//text()', result).join('')
+    if (!format || !format.toLowerCase().includes('kindle')) return null
+
+    const asin = result.getAttribute('data-asin')
+    if (!asin) return null
+
+    const coverUrlSet = xpath.select('.//img/@srcset', result)[0].value.split(/\s*,\s*/)
+    const cover = coverUrlSet[coverUrlSet.length - 1].split(' ')[0] // Get largest cover
+    const title = xpath.select('.//h2', result)[0].textContent.trim()
+    const authorDiv = xpath.select('.//div[contains(@class, "a-color-secondary")]', result)[0]
+    const authorParts = authorDiv.textContent.split(' ')
+    const idx = authorParts.indexOf('by')
+    const author = authorParts
+      .slice(idx + 1)
+      .join(' ')
+      .split('|')[0]
+      .trim()
+
+    return {
+      asin,
+      title,
+      author,
+      cover
+    }
+  }
+
+  async search(title, author) {
+    const queryParams = new URLSearchParams()
+    queryParams.append('i', 'digital-text')
+    queryParams.append('k', title)
+    if (author) {
+      author = encodeURIComponent(author)
+      queryParams.append('inauthor', author)
+    }
+    var url = `https://www.amazon.com/s/?${queryParams.toString()}`
+    Logger.debug(`[Kindle] Search url: ${url}`)
+
+    var items = await axios
+      .get(url)
+      .then((result) => {
+        if (!result || !result.data) return []
+        const dom = new jsdom.JSDOM(result.data)
+        return xpath.select('//div[contains(@class, "s-result-list")]//div[@data-index and @data-asin]', dom)
+      })
+      .catch((error) => {
+        Logger.error('[Kindle] Query search error', error)
+        return []
+      })
+    return items.map((item) => this.cleanResult(item)).filter((item) => item !== null)
+  }
+}
+
+module.exports = Kindle