优化布局Again

public/index.html

@@ -139,8 +139,12 @@
                 <div id="now-playing" class="now-playing hidden">
                     <h3>Now Playing</h3>
                     <p id="current-video-title">video.mp4</p>
-                    <button id="transcode-btn" class="play-btn hidden">Start Transcode</button>
+                    <div style="display: flex; gap: 0.5rem; margin-top: 1rem; align-items: center; flex-wrap: wrap;">
-                    <button id="stop-transcode-btn" class="play-btn stop-btn hidden">Stop Transcode</button>
+                        <button id="transcode-btn" class="play-btn hidden">Start Transcode</button>
+                        <button id="stop-transcode-btn" class="play-btn stop-btn hidden">Stop Transcode</button>
+                        <button id="clear-playing-download-cache-btn" class="action-btn danger hidden">清空下载缓存</button>
+                        <button id="clear-playing-transcode-cache-btn" class="action-btn danger hidden">清空转码缓存</button>
+                    </div>
                 </div>
             </section>
         </main>

public/js/main.js

@@ -18,6 +18,8 @@ document.addEventListener('DOMContentLoaded', () => {
     const currentVideoTitle = document.getElementById('current-video-title');
     const transcodeBtn = document.getElementById('transcode-btn');
     const stopTranscodeBtn = document.getElementById('stop-transcode-btn');
+    const clearPlayingDownloadBtn = document.getElementById('clear-playing-download-cache-btn');
+    const clearPlayingTranscodeBtn = document.getElementById('clear-playing-transcode-cache-btn');
     const themeSelector = document.getElementById('theme-selector');
     const videoListHeader = document.getElementById('video-list-header');
     const logoutBtn = document.getElementById('logout-btn');
@@ -724,20 +726,16 @@ document.addEventListener('DOMContentLoaded', () => {
                     if (index === parts.length - 1) {
                         current[part].__file = key;
                         current[part].__hasTranscodeCache = vid.hasTranscodeCache;
+                        current[part].__hasDownloadCache = vid.hasDownloadCache;
                     }
                     current = current[part];
                 });
             });
 
-            const createFileItem = (name, key, hasTranscodeCache) => {
+            const createFileItem = (name, key, hasTranscodeCache, hasDownloadCache) => {
                 const li = document.createElement('li');
                 li.className = 'video-item file-item';
                 const ext = name.split('.').pop().toUpperCase();
-                
-                let cacheButtonHtml = '';
-                if (hasTranscodeCache) {
-                    cacheButtonHtml = `<button class="action-btn danger clear-video-cache-btn" data-key="${key}" style="padding: 0.3rem 0.6rem; font-size: 0.75rem; margin-left: auto;" title="清空转码缓存">清空转码缓存</button>`;
-                }
 
                 li.innerHTML = `
                     <div class="video-icon">
@@ -747,44 +745,20 @@ document.addEventListener('DOMContentLoaded', () => {
                         <div class="video-title" title="${key}">${name}</div>
                         <div class="video-meta">Video / ${ext}</div>
                     </div>
-                    ${cacheButtonHtml}
                 `;
                 li.addEventListener('click', (e) => {
                     e.stopPropagation();
-                    selectVideo(key, li);
+                    selectVideo(key, li, hasTranscodeCache, hasDownloadCache);
                 });
-
-                const clearBtn = li.querySelector('.clear-video-cache-btn');
-                if (clearBtn) {
-                    clearBtn.addEventListener('click', async (e) => {
-                        e.stopPropagation();
-                        clearBtn.disabled = true;
-                        clearBtn.textContent = '清空中...';
-                        try {
-                            const res = await fetch('/api/clear-video-transcode-cache', {
-                                method: 'POST',
-                                headers: { 'Content-Type': 'application/json' },
-                                body: JSON.stringify({ bucket: selectedBucket, key: key })
-                            });
-                            if (!res.ok) throw new Error('Failed to clear cache');
-                            fetchVideos(selectedBucket);
-                        } catch (err) {
-                            console.error(err);
-                            alert('清空转码缓存失败: ' + err.message);
-                            clearBtn.disabled = false;
-                            clearBtn.textContent = '清空转码缓存';
-                        }
-                    });
-                }
                 
                 return li;
             };
 
             const renderTree = (node, container) => {
                 for (const [name, value] of Object.entries(node)) {
-                    if (name === '__file' || name === '__hasTranscodeCache') continue;
+                    if (name === '__file' || name === '__hasTranscodeCache' || name === '__hasDownloadCache') continue;
 
-                    const childKeys = Object.keys(value).filter(k => k !== '__file' && k !== '__hasTranscodeCache');
+                    const childKeys = Object.keys(value).filter(k => k !== '__file' && k !== '__hasTranscodeCache' && k !== '__hasDownloadCache');
                     const hasChildren = childKeys.length > 0;
                     const isFile = typeof value.__file === 'string';
 
@@ -815,13 +789,13 @@ document.addEventListener('DOMContentLoaded', () => {
 
                         li.appendChild(folderHeader);
                         if (isFile) {
-                            subListContainer.appendChild(createFileItem(name, value.__file, value.__hasTranscodeCache));
+                            subListContainer.appendChild(createFileItem(name, value.__file, value.__hasTranscodeCache, value.__hasDownloadCache));
                         }
                         renderTree(value, subListContainer);
                         li.appendChild(subListContainer);
                         container.appendChild(li);
                     } else if (isFile) {
-                        container.appendChild(createFileItem(name, value.__file, value.__hasTranscodeCache));
+                        container.appendChild(createFileItem(name, value.__file, value.__hasTranscodeCache, value.__hasDownloadCache));
                     }
                 }
             };
@@ -834,7 +808,7 @@ document.addEventListener('DOMContentLoaded', () => {
     };
 
     // Handle video selection
-    const selectVideo = (key, listItemNode) => {
+    const selectVideo = (key, listItemNode, hasTranscodeCache = false, hasDownloadCache = false) => {
         document.querySelectorAll('.video-item').forEach(n => n.classList.remove('active'));
         listItemNode.classList.add('active');
 
@@ -868,6 +842,16 @@ document.addEventListener('DOMContentLoaded', () => {
             stopTranscodeBtn.disabled = false;
             stopTranscodeBtn.textContent = 'Stop Transcode';
         }
+        
+        if (clearPlayingDownloadBtn) {
+            if (hasDownloadCache) clearPlayingDownloadBtn.classList.remove('hidden');
+            else clearPlayingDownloadBtn.classList.add('hidden');
+        }
+        if (clearPlayingTranscodeBtn) {
+            if (hasTranscodeCache) clearPlayingTranscodeBtn.classList.remove('hidden');
+            else clearPlayingTranscodeBtn.classList.add('hidden');
+        }
+
         if (playBtn) {
             playBtn.classList.add('hidden');
         }
@@ -1116,6 +1100,52 @@ document.addEventListener('DOMContentLoaded', () => {
     if (stopTranscodeBtn) {
         stopTranscodeBtn.addEventListener('click', stopTranscode);
     }
+
+    if (clearPlayingDownloadBtn) {
+        clearPlayingDownloadBtn.addEventListener('click', async () => {
+            if (!currentVideoKey) return;
+            clearPlayingDownloadBtn.disabled = true;
+            clearPlayingDownloadBtn.textContent = '清空中...';
+            try {
+                const res = await fetch('/api/clear-video-download-cache', {
+                    method: 'POST',
+                    headers: { 'Content-Type': 'application/json' },
+                    body: JSON.stringify({ bucket: selectedBucket, key: currentVideoKey })
+                });
+                if (!res.ok) throw new Error('清空失败');
+                clearPlayingDownloadBtn.classList.add('hidden');
+                fetchVideos(selectedBucket);
+            } catch (err) {
+                alert('清空下载缓存失败: ' + err.message);
+            } finally {
+                clearPlayingDownloadBtn.disabled = false;
+                clearPlayingDownloadBtn.textContent = '清空下载缓存';
+            }
+        });
+    }
+
+    if (clearPlayingTranscodeBtn) {
+        clearPlayingTranscodeBtn.addEventListener('click', async () => {
+            if (!currentVideoKey) return;
+            clearPlayingTranscodeBtn.disabled = true;
+            clearPlayingTranscodeBtn.textContent = '清空中...';
+            try {
+                const res = await fetch('/api/clear-video-transcode-cache', {
+                    method: 'POST',
+                    headers: { 'Content-Type': 'application/json' },
+                    body: JSON.stringify({ bucket: selectedBucket, key: currentVideoKey })
+                });
+                if (!res.ok) throw new Error('清空失败');
+                clearPlayingTranscodeBtn.classList.add('hidden');
+                fetchVideos(selectedBucket);
+            } catch (err) {
+                alert('清空转码缓存失败: ' + err.message);
+            } finally {
+                clearPlayingTranscodeBtn.disabled = false;
+                clearPlayingTranscodeBtn.textContent = '清空转码缓存';
+            }
+        });
+    }
     if (loginBtn) {
         loginBtn.addEventListener('click', login);
     }

server.js

@@ -566,9 +566,11 @@ app.get('/api/videos', async (req, res) => {
                 const safeBucket = bucket.replace(/[^a-z0-9]/gi, '_');
                 const safeKeySegments = key.split('/').map(segment => segment.replace(/[^a-z0-9]/gi, '_'));
                 const hlsDir = path.join(CACHE_DIR, `hls-${safeBucket}-${safeKeySegments.join('-')}`);
+                const tmpInputPath = path.join(CACHE_DIR, `s3-input-${safeBucket}-${safeKeySegments.join('-')}.tmp`);
                 return {
                     key: key,
-                    hasTranscodeCache: fs.existsSync(hlsDir)
+                    hasTranscodeCache: fs.existsSync(hlsDir),
+                    hasDownloadCache: fs.existsSync(tmpInputPath)
                 };
             });
 
@@ -639,6 +641,26 @@ app.post('/api/clear-video-transcode-cache', async (req, res) => {
     }
 });
 
+app.post('/api/clear-video-download-cache', async (req, res) => {
+    try {
+        const { bucket, key } = req.body;
+        if (!bucket || !key) {
+            return res.status(400).json({ error: 'Bucket and key are required' });
+        }
+        const safeBucket = bucket.replace(/[^a-z0-9]/gi, '_');
+        const safeKeySegments = key.split('/').map(segment => segment.replace(/[^a-z0-9]/gi, '_'));
+        const tmpInputPath = path.join(CACHE_DIR, `s3-input-${safeBucket}-${safeKeySegments.join('-')}.tmp`);
+
+        if (fs.existsSync(tmpInputPath)) {
+            fs.rmSync(tmpInputPath, { force: true });
+        }
+        res.json({ message: 'Download cache cleared for video' });
+    } catch (error) {
+        console.error('Error clearing video download cache:', error);
+        res.status(500).json({ error: 'Failed to clear download cache', detail: error.message });
+    }
+});
+
 app.post('/api/stop-transcode', (req, res) => {
     try {
         const { key } = req.body;