frontend for downloading books

desktop/src/scripts/books/book.js

@@ -200,6 +200,95 @@ function processChaptersData(chaptersData) {
     setupReadButton();
 }
 
+function buildProxyUrl(url, headers = {}) {
+    const origin = window.location.origin;
+
+    const params = new URLSearchParams({ url });
+    if (headers.Referer || headers.referer)
+        params.append("referer", headers.Referer || headers.referer);
+    if (headers["User-Agent"] || headers["user-agent"])
+        params.append("userAgent", headers["User-Agent"] || headers["user-agent"]);
+    if (headers.Origin || headers.origin)
+        params.append("origin", headers.Origin || headers.origin);
+
+    return `${origin}/api/proxy?${params.toString()}`;
+}
+
+async function downloadChapter(chapterId, chapterNumber, provider, btnElement) {
+    // Validamos que tengamos bookId y un provider válido
+    if (!bookId || !provider) return showError("Error: Faltan datos del capítulo");
+
+    // Feedback visual
+    const originalText = btnElement.innerHTML;
+    btnElement.innerHTML = `<span class="spinner">↻</span>`; // Spinner pequeño
+    btnElement.disabled = true;
+
+    try {
+        // 1. OBTENER CONTENIDO USANDO EL PROVIDER DEL CAPÍTULO
+        // CAMBIO AQUÍ: Usamos 'provider' en lugar de 'extensionName'
+        const fetchUrl = `/api/book/${bookId}/${chapterId}/${provider}?source=${extensionName || 'anilist'}&lang=none`;
+
+        const contentRes = await fetch(fetchUrl);
+
+        if (!contentRes.ok) throw new Error("Error obteniendo contenido del capítulo");
+        const chapterData = await contentRes.json();
+
+        // 2. PREPARAR BODY (Misma lógica)
+        let payload = {
+            anilist_id: parseInt(bookId),
+            chapter_number: parseFloat(chapterNumber),
+            format: "",
+        };
+
+        if (chapterData.pages && Array.isArray(chapterData.pages)) {
+            payload.format = "manga";
+            payload.images = chapterData.pages.map((img, index) => {
+                let finalUrl = img.url;
+                if (img.headers && Object.keys(img.headers).length > 0) {
+                    finalUrl = buildProxyUrl(img.url, img.headers);
+                }
+                return { index: index, url: finalUrl };
+            });
+        }
+        else if (chapterData.content) {
+            payload.format = "novel";
+            payload.content = chapterData.content;
+        } else {
+            throw new Error("Formato desconocido");
+        }
+
+        const downloadRes = await fetch('/api/library/download/book', {
+            method: 'POST',
+            headers: { 'Content-Type': 'application/json' },
+            body: JSON.stringify(payload)
+        });
+
+        const downloadData = await downloadRes.json();
+
+        if (downloadRes.status === 200) {
+            btnElement.innerHTML = "✓";
+            btnElement.style.color = "#22c55e"; // Icono verde
+        } else if (downloadRes.status === 409) {
+            btnElement.innerHTML = "✓";
+            btnElement.style.color = "#3b82f6"; // Icono azul (ya existe)
+        } else {
+            throw new Error(downloadData.message || "Error");
+        }
+
+    } catch (err) {
+        console.error("Download Error:", err);
+        btnElement.innerHTML = "✕"; // X roja
+        btnElement.style.color = "#ef4444";
+        btnElement.disabled = false;
+
+        // Restaurar icono original después de 3 seg
+        setTimeout(() => {
+            btnElement.innerHTML = originalText;
+            btnElement.style.color = "";
+        }, 3000);
+    }
+}
+
 async function loadChapters(targetProvider = null) {
     const listContainer = document.getElementById('chapters-list');
     const loadingMsg = document.getElementById('loading-msg');
@@ -317,24 +406,51 @@ function renderChapterList() {
     itemsToShow.forEach(chapter => {
         const el = document.createElement('div');
         el.className = 'chapter-item';
+
+        // El clic principal abre el lector
         el.onclick = () => openReader(chapter.id, chapter.provider);
 
         const dateStr = chapter.date ? new Date(chapter.date).toLocaleDateString() : '';
         const providerLabel = chapter.provider !== 'local' ? chapter.provider : '';
 
+        // Definimos el icono SVG de descarga para no ensuciar tanto el template string
+        const downloadIcon = `
+            <svg width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round">
+                <path d="M21 15v4a2 2 0 0 1-2 2H5a2 2 0 0 1-2-2v-4"></path>
+                <polyline points="7 10 12 15 17 10"></polyline>
+                <line x1="12" y1="15" x2="12" y2="3"></line>
+            </svg>`;
+
+        const isLocal = chapter.provider === 'local';
+        const downloadBtnStyle = isLocal ? 'display:none;' : '';
+
         el.innerHTML = `
             <div class="chapter-info">
                 <span class="chapter-number">Chapter ${chapter.number}</span>
                 <span class="chapter-title">${chapter.title || ''}</span>
             </div>
-            <div class="chapter-meta">
-                ${providerLabel ? `<span class="lang-tag">${providerLabel}</span>` : ''}
-                ${dateStr ? `<span>${dateStr}</span>` : ''}
-                <svg class="chapter-play-icon" width="24" height="24" fill="currentColor" viewBox="0 0 24 24"><path d="M8 5v14l11-7z"/></svg>
+            
+            <div class="chapter-actions" style="display: flex; align-items: center; gap: 10px;">
+                <div class="chapter-meta">
+                    ${providerLabel ? `<span class="lang-tag">${providerLabel}</span>` : ''}
+                    ${dateStr ? `<span>${dateStr}</span>` : ''}
+                </div>
+        
+                <button class="download-btn" 
+                    style="${downloadBtnStyle}"
+                    onclick="event.stopPropagation(); downloadChapter('${chapter.id}', '${chapter.number}', '${chapter.provider}', this)"
+                    title="Descargar">
+                    ${downloadIcon}
+                </button>
+        
+                <svg class="chapter-play-icon" width="24" height="24" fill="currentColor" viewBox="0 0 24 24">
+                    <path d="M8 5v14l11-7z"/>
+                </svg>
             </div>
         `;
         container.appendChild(el);
     });
+
     chapterPagination.renderControls('pagination', 'page-info', 'prev-page', 'next-page');
 }
 

desktop/views/css/books/book.css

@@ -187,4 +187,42 @@ h2, .subsection-title { font-size: 1.8rem; font-weight: 800; margin-bottom: 1.5r
     .chapter-controls { width: 100%; display: grid; grid-template-columns: 1fr 1fr; gap: 0.5rem; }
     .search-box { grid-column: span 2; }
     .glass-input { width: 100%; }
+}
+
+.chapter-item {
+    display: flex;
+    justify-content: space-between;
+    align-items: center;
+    padding: 10px;
+    border-bottom: 1px solid rgba(255,255,255,0.1);
+}
+
+.chapter-actions {
+    display: flex;
+    gap: 10px;
+    align-items: center;
+}
+
+.download-btn {
+    background: transparent;
+    border: 1px solid rgba(255,255,255,0.3);
+    color: #ccc;
+    padding: 6px 10px;
+    border-radius: 4px;
+    cursor: pointer;
+    transition: all 0.2s;
+    display: flex;
+    align-items: center;
+    justify-content: center;
+}
+
+.download-btn:hover {
+    background: rgba(255,255,255,0.1);
+    border-color: #fff;
+    color: #fff;
+}
+
+.download-btn:disabled {
+    opacity: 0.7;
+    cursor: wait;
 }