fix: Z-Library 按需获取下载地址并发布 v2.1.4

src/ui/views/browse.js

@@ -314,7 +314,11 @@ const Browse = (() => {
     }
     state.currentDetail = res.data;
     renderDetail(res.data);
-    loadDownload(postId, activeSourceId, token);
+    if (sourceDownloadsOnDemand(activeSourceId)) {
+      renderOnDemandDownload(postId, activeSourceId, token);
+    } else {
+      loadDownload(postId, activeSourceId, token);
+    }
     refreshAddButton();
   }
 
@@ -323,6 +327,11 @@ const Browse = (() => {
     return s ? s.name : id;
   }
 
+  function sourceDownloadsOnDemand(id) {
+    const source = state.sourceList.find((item) => item.id === id);
+    return !!(source && source.downloadOnDemand);
+  }
+
   function renderDetail(d) {
     const tagsHtml = (d.tags || []).map((t) => {
       const idx = t.indexOf('：');
@@ -391,7 +400,10 @@ const Browse = (() => {
       $('dlRetry').onclick = () => loadDownload(postId, sourceId, token);
       return;
     }
-    const d = res.data;
+    renderDownloadResult(box, res.data);
+  }
+
+  function renderDownloadResult(box, d) {
     let html = '';
     const files = d.files || [];
     if (files.length) {
@@ -412,6 +424,34 @@ const Browse = (() => {
     box.querySelectorAll('[data-open]').forEach((a) => { a.onclick = (e) => { e.preventDefault(); window.api.openExternal(a.dataset.open); }; });
   }
 
+  function renderOnDemandDownload(postId, sourceId, token) {
+    const box = $('downloadBox');
+    if (!box) return;
+    box.innerHTML = `<div class="dl-files"><div class="dl-file-row">
+      <span class="dl-file-name">每日免费下载额度有限，仅在点击后获取下载地址</span>
+      <button class="dl-btn" id="onDemandDownloadBtn">下载</button>
+    </div></div>`;
+    const btn = $('onDemandDownloadBtn');
+    btn.onclick = async () => {
+      const oldError = box.querySelector('.dl-error');
+      if (oldError) oldError.remove();
+      btn.disabled = true;
+      btn.textContent = '获取中...';
+      const res = await window.api.sources.download(sourceId, postId);
+      if (!box.isConnected || token !== state.detailToken) return;
+      if (!res.ok) {
+        btn.disabled = false;
+        btn.textContent = '重试';
+        btn.title = res.error || '获取下载地址失败';
+        box.insertAdjacentHTML('beforeend', `<div class="dl-error">获取失败：${escapeHtml(res.error)}</div>`);
+        return;
+      }
+      renderDownloadResult(box, res.data);
+      const download = box.querySelector('.dl-btn[data-file]');
+      if (download) download.click();
+    };
+  }
+
   // 当前条目的元数据，供下载时自动建库用
   function entryMeta() {
     const d = state.currentDetail || {};