thrive4.github.io/genplaylist.html at main · thrive4/thrive4.github.io · GitHub

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<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <title>Archive.org _files.xml ? JSON</title>
  <style>
    body { font-family: sans-serif; max-width: 900px; margin: 1rem auto; }
    h1 { font-size: 1.4rem; }
    label { font-weight: 600; margin-top: 0.75rem; display: block; }
    input, button, textarea {
      width: 100%;
      box-sizing: border-box;
      margin-top: 0.25rem;
      margin-bottom: 0.5rem;
      padding: 0.4rem 0.5rem;
      font-size: 0.95rem;
    }
    button { cursor: pointer; background: #007cba; color: white; border: none; border-radius: 4px; }
    button:hover { background: #005a87; }
    button:disabled { background: #ccc; cursor: not-allowed; }
    textarea { height: 320px; font-family: monospace; }
    small { color: #555; }
    .save-section { margin-top: 0.75rem; }
    .stats { font-size: 0.85rem; color: #666; margin-top: 0.25rem; }
  </style>
</head>
<body>
  <h1>Archive.org _files.xml ? JSON</h1>

  <label for="xmlUrl">_files.xml URL</label>
  <input id="xmlUrl" type="text"
         value="https://dn720308.ca.archive.org/0/items/fantasia-2000-ost-deluxe-edition/fantasia-2000-ost-deluxe-edition_files.xml">

  <small>
    Example: any Internet Archive <em>_files.xml</em> metadata URL. The script will:
    - use only .mp3 file nodes,
    - concatenate all &lt;creator&gt; tags,
    - <strong>year = "0000" (DuckDuckGo unreliable)</strong>,
    - use most frequent &lt;genre&gt; as default when empty.
  </small>

  <button id="convertBtn">Convert</button>

  <label for="output">JSON output</label>
  <textarea id="output" readonly></textarea>

  <div class="stats" id="stats"></div>

  <div class="save-section">
    <button id="saveJsonBtn" disabled>Save JSON</button>
    <button id="copyBtn" disabled>Copy JSON</button>
  </div>

  <script>
    // Find most frequent genre from all <genre> elements
    function getMostFrequentGenre(xmlDoc) {
      const genreNodes = xmlDoc.getElementsByTagName("genre");
      const genreCounts = {};

      for (let genreNode of genreNodes) {
        const genre = genreNode.textContent.trim();
        if (genre) {
          genreCounts[genre] = (genreCounts[genre] || 0) + 1;
        }
      }

      if (Object.keys(genreCounts).length === 0) return "";

      let maxCount = 0;
      let mostFrequent = "";
      for (let [genre, count] of Object.entries(genreCounts)) {
        if (count > maxCount) {
          maxCount = count;
          mostFrequent = genre;
        }
      }
      return mostFrequent;
    }

    // Derive Archive.org identifier from the *original* _files.xml URL
    function getIdentifierFromUrl(inputUrl) {
      let targetUrl = inputUrl;
      try {
        const u = new URL(inputUrl);
        if (u.hostname === "corsproxy.io") {
          const qs = u.search;
          if (qs && qs.length > 1) {
            targetUrl = decodeURIComponent(qs.substring(1));
          }
        }
      } catch (e) {
        targetUrl = inputUrl;
      }

      try {
        const u2 = new URL(targetUrl);
        const parts = u2.pathname.split("/").filter(Boolean);
        const itemsIndex = parts.indexOf("items");
        if (itemsIndex !== -1 && parts.length > itemsIndex + 1) {
          return parts[itemsIndex + 1];
        }
      } catch (e) {}
      return "";
    }

    // Update stats display
    function updateStats(jsonString) {
      const statsEl = document.getElementById("stats");
      if (!jsonString.trim()) {
        statsEl.textContent = "";
        return;
      }

      const charCount = jsonString.length;
      const objCount = JSON.parse(jsonString).length;
      statsEl.textContent = `${charCount} chars, ${objCount} tracks`;
    }

    // Save JSON to file
    function saveJson(jsonString, identifier) {
      if (!jsonString.trim()) {
        alert('No JSON to save. Generate a conversion first.');
        return;
      }

      const nameBase = identifier.replace(/[^a-zA-Z0-9]/g, '_').toLowerCase();
      const filename = `${nameBase}.json`;

      const blob = new Blob([jsonString], { type: 'application/json' });
      const url = URL.createObjectURL(blob);
      const a = document.createElement('a');
      a.href = url;
      a.download = filename;
      document.body.appendChild(a);
      a.click();
      document.body.removeChild(a);
      URL.revokeObjectURL(url);
    }

    // Copy JSON to clipboard
    async function copyJson(jsonString) {
      try {
        await navigator.clipboard.writeText(jsonString);
        alert('JSON copied to clipboard!');
      } catch (err) {
        // Fallback for older browsers
        const textarea = document.createElement('textarea');
        textarea.value = jsonString;
        document.body.appendChild(textarea);
        textarea.select();
        document.execCommand('copy');
        document.body.removeChild(textarea);
        alert('JSON copied to clipboard!');
      }
    }

    const convertBtn = document.getElementById("convertBtn");
    const saveJsonBtn = document.getElementById("saveJsonBtn");
    const copyBtn = document.getElementById("copyBtn");
    const output = document.getElementById("output");
    let currentIdentifier = "";

    convertBtn.addEventListener("click", async () => {
      const originalUrl = document.getElementById("xmlUrl").value.trim();
      output.value = "Loading...";
      saveJsonBtn.disabled = true;
      copyBtn.disabled = true;

      currentIdentifier = getIdentifierFromUrl(originalUrl);
      if (!currentIdentifier) {
        output.value = "Could not derive identifier from URL.";
        return;
      }

      const fetchUrl = "https://corsproxy.io/?" + encodeURIComponent(originalUrl);

      try {
        const res = await fetch(fetchUrl);
        if (!res.ok) {
          output.value = "Error fetching XML: " + res.status + " " + res.statusText;
          return;
        }

        const xmlText = await res.text();
        const parser = new DOMParser();
        const xmlDoc = parser.parseFromString(xmlText, "application/xml");

        const defaultGenre = getMostFrequentGenre(xmlDoc);

        const fileNodes = Array.from(xmlDoc.getElementsByTagName("file"));
        const mp3Nodes = fileNodes.filter(f => {
          const nameAttr = f.getAttribute("name") || "";
          return nameAttr.toLowerCase().endsWith(".mp3");
        });

        const baseUrl = "https://archive.org/download/" + currentIdentifier + "/";

        const items = mp3Nodes.map(f => {
          const nameAttr = f.getAttribute("name") || "";
          const creators = Array.from(f.getElementsByTagName("creator"))
                                .map(n => n.textContent.trim())
                                .filter(Boolean);
          const name = creators.join(", ");

          const titleEl = f.getElementsByTagName("title")[0];
          const albumEl = f.getElementsByTagName("album")[0];
          const genreEl = f.getElementsByTagName("genre")[0];

          const title = titleEl ? titleEl.textContent.trim() : "";
          const album = albumEl ? albumEl.textContent.trim() : "";
          const genre = genreEl && genreEl.textContent.trim() ?
                       genreEl.textContent.trim() : defaultGenre;

          const fileUrl = baseUrl + encodeURIComponent(nameAttr);

          return {
            name:  name,
            title: title,
            album: album,
            year:  "0000",  // DuckDuckGo unreliable, using fixed value
            genre: genre,
            file:  fileUrl
          };
        });

        output.value = JSON.stringify(items, null, 2);
        updateStats(output.value);
        saveJsonBtn.disabled = false;
        copyBtn.disabled = false;
      } catch (err) {
        output.value = "Error: " + err.message;
        saveJsonBtn.disabled = true;
        copyBtn.disabled = true;
      }
    });

    saveJsonBtn.addEventListener("click", () => {
      saveJson(output.value, currentIdentifier);
    });

    copyBtn.addEventListener("click", () => {
      copyJson(output.value);
    });
  </script>
</body>
</html>