Refactor LoRA template with modular components and script updates

static/js/api/loraApi.js

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+import { state } from '../state/index.js';
+import { showToast } from '../utils/uiHelpers.js';
+import { createLoraCard } from '../components/LoraCard.js';
+import { initializeInfiniteScroll } from '../utils/infiniteScroll.js';
+import { showDeleteModal } from '../utils/modalUtils.js';
+
+export async function loadMoreLoras() {
+    if (state.isLoading || !state.hasMore) return;
+    
+    state.isLoading = true;
+    try {
+        const params = new URLSearchParams({
+            page: state.currentPage,
+            page_size: 20,
+            sort_by: state.sortBy
+        });
+        
+        if (state.activeFolder !== null) {
+            params.append('folder', state.activeFolder);
+        }
+
+        console.log('Loading loras with params:', params.toString());
+
+        const response = await fetch(`/api/loras?${params}`);
+        if (!response.ok) {
+            throw new Error(`Failed to fetch loras: ${response.statusText}`);
+        }
+        
+        const data = await response.json();
+        console.log('Received data:', data);
+        
+        if (data.items.length === 0 && state.currentPage === 1) {
+            const grid = document.getElementById('loraGrid');
+            grid.innerHTML = '<div class="no-results">No loras found in this folder</div>';
+            state.hasMore = false;
+        } else if (data.items.length > 0) {
+            state.hasMore = state.currentPage < data.total_pages;
+            state.currentPage++;
+            appendLoraCards(data.items);
+            
+            const sentinel = document.getElementById('scroll-sentinel');
+            if (sentinel && state.observer) {
+                state.observer.observe(sentinel);
+            }
+        } else {
+            state.hasMore = false;
+        }
+        
+    } catch (error) {
+        console.error('Error loading loras:', error);
+        showToast('Failed to load loras: ' + error.message, 'error');
+    } finally {
+        state.isLoading = false;
+    }
+}
+
+export async function fetchCivitai() {
+    let ws = null;
+    
+    await state.loadingManager.showWithProgress(async (loading) => {
+        try {
+            ws = new WebSocket(`ws://${window.location.host}/ws/fetch-progress`);
+            
+            const operationComplete = new Promise((resolve, reject) => {
+                ws.onmessage = (event) => {
+                    const data = JSON.parse(event.data);
+                    
+                    switch(data.status) {
+                        case 'started':
+                            loading.setStatus('Starting metadata fetch...');
+                            break;
+                            
+                        case 'processing':
+                            const percent = ((data.processed / data.total) * 100).toFixed(1);
+                            loading.setProgress(percent);
+                            loading.setStatus(
+                                `Processing (${data.processed}/${data.total}) ${data.current_name}`
+                            );
+                            break;
+                            
+                        case 'completed':
+                            loading.setProgress(100);
+                            loading.setStatus(
+                                `Completed: Updated ${data.success} of ${data.processed} loras`
+                            );
+                            resolve();
+                            break;
+                            
+                        case 'error':
+                            reject(new Error(data.error));
+                            break;
+                    }
+                };
+                
+                ws.onerror = (error) => {
+                    reject(new Error('WebSocket error: ' + error.message));
+                };
+            });
+            
+            await new Promise((resolve, reject) => {
+                ws.onopen = resolve;
+                ws.onerror = reject;
+            });
+            
+            const response = await fetch('/api/fetch-all-civitai', {
+                method: 'POST',
+                headers: { 'Content-Type': 'application/json' }
+            });
+            
+            if (!response.ok) {
+                throw new Error('Failed to fetch metadata');
+            }
+            
+            await operationComplete;
+            
+            await resetAndReload();
+            
+        } catch (error) {
+            console.error('Error fetching metadata:', error);
+            showToast('Failed to fetch metadata: ' + error.message, 'error');
+        } finally {
+            if (ws) {
+                ws.close();
+            }
+        }
+    }, {
+        initialMessage: 'Connecting...',
+        completionMessage: 'Metadata update complete'
+    });
+}
+
+export async function deleteModel(filePath) {
+    showDeleteModal(filePath);
+}
+
+export async function replacePreview(filePath) {
+    const loadingOverlay = document.getElementById('loading-overlay');
+    const loadingStatus = document.querySelector('.loading-status');
+    
+    const input = document.createElement('input');
+    input.type = 'file';
+    input.accept = 'image/*,video/mp4';
+    
+    input.onchange = async function() {
+        if (!input.files || !input.files[0]) return;
+        
+        const file = input.files[0];
+        const formData = new FormData();
+        formData.append('preview_file', file);
+        formData.append('model_path', filePath);
+        
+        try {
+            loadingOverlay.style.display = 'flex';
+            loadingStatus.textContent = 'Uploading preview...';
+            
+            const response = await fetch('/api/replace_preview', {
+                method: 'POST',
+                body: formData
+            });
+            
+            if (!response.ok) {
+                throw new Error('Upload failed');
+            }
+
+            const data = await response.json();
+            const newPreviewPath = `${data.preview_url}?t=${new Date().getTime()}`;
+            
+            const card = document.querySelector(`.lora-card[data-filepath="${filePath}"]`);
+            const previewContainer = card.querySelector('.card-preview');
+            const oldPreview = previewContainer.querySelector('img, video');
+            
+            if (file.type.startsWith('video/')) {
+                const video = document.createElement('video');
+                video.controls = true;
+                video.autoplay = true;
+                video.muted = true;
+                video.loop = true;
+                video.src = newPreviewPath;
+                oldPreview.replaceWith(video);
+            } else {
+                const img = document.createElement('img');
+                img.src = newPreviewPath;
+                oldPreview.replaceWith(img);
+            }
+            
+        } catch (error) {
+            console.error('Error uploading preview:', error);
+            alert('Failed to upload preview image');
+        } finally {
+            loadingOverlay.style.display = 'none';
+        }
+    };
+    
+    input.click();
+}
+
+function appendLoraCards(loras) {
+    const grid = document.getElementById('loraGrid');
+    const sentinel = document.getElementById('scroll-sentinel');
+    
+    loras.forEach(lora => {
+        const card = createLoraCard(lora);
+        grid.insertBefore(card, sentinel);
+    });
+}
+
+export async function resetAndReload() {
+    console.log('Resetting with state:', { ...state });
+    
+    state.currentPage = 1;
+    state.hasMore = true;
+    state.isLoading = false;
+    
+    const grid = document.getElementById('loraGrid');
+    grid.innerHTML = '';
+    
+    const sentinel = document.createElement('div');
+    sentinel.id = 'scroll-sentinel';
+    grid.appendChild(sentinel);
+    
+    initializeInfiniteScroll();
+    
+    await loadMoreLoras();
+}
+
+export async function refreshLoras() {
+    try {
+        state.loadingManager.showSimpleLoading('Refreshing loras...');
+        await resetAndReload();
+        showToast('Refresh complete', 'success');
+    } catch (error) {
+        console.error('Refresh failed:', error);
+        showToast('Failed to refresh loras', 'error');
+    } finally {
+        state.loadingManager.hide();
+        state.loadingManager.restoreProgressBar();
+    }
+} 

static/js/components/LoraCard.js

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+import { showToast } from '../utils/uiHelpers.js';
+import { modalManager } from '../managers/ModalManager.js';
+
+export function createLoraCard(lora) {
+    const card = document.createElement('div');
+    card.className = 'lora-card';
+    card.dataset.sha256 = lora.sha256;
+    card.dataset.filepath = lora.file_path;
+    card.dataset.name = lora.model_name;
+    card.dataset.file_name = lora.file_name;
+    card.dataset.folder = lora.folder;
+    card.dataset.modified = lora.modified;
+    card.dataset.from_civitai = lora.from_civitai;
+    card.dataset.meta = JSON.stringify(lora.civitai || {});
+
+    // Add timestamp to preview URL to prevent caching
+    const previewUrl = lora.preview_url ? `${lora.preview_url}?t=${Date.now()}` : '/loras_static/images/no-preview.png';
+
+    card.innerHTML = `
+        <div class="card-preview">
+            ${previewUrl.endsWith('.mp4') ? 
+                `<video controls autoplay muted loop>
+                    <source src="${previewUrl}" type="video/mp4">
+                </video>` :
+                `<img src="${previewUrl}" alt="${lora.model_name}">`
+            }
+            <div class="card-header">
+                <span class="base-model-label" title="${lora.base_model}">
+                    ${lora.base_model}
+                </span>
+                <div class="card-actions">
+                    <i class="fas fa-globe" 
+                       title="${lora.from_civitai ? 'View on Civitai' : 'Not available from Civitai'}"
+                       ${lora.from_civitai ? 
+                           `onclick="event.stopPropagation(); openCivitai('${lora.model_name}')"` : 
+                           'style="opacity: 0.5; cursor: not-allowed"'}>
+                    </i>
+                    <i class="fas fa-copy" 
+                       title="Copy Model Name"
+                       onclick="event.stopPropagation(); navigator.clipboard.writeText('${lora.file_name}')">
+                    </i>
+                    <i class="fas fa-trash" 
+                       title="Delete Model"
+                       onclick="event.stopPropagation(); deleteModel('${lora.file_path}')">
+                    </i>
+                </div>
+            </div>
+            <div class="card-footer">
+                <div class="model-info">
+                    <span class="model-name">${lora.model_name}</span>
+                </div>
+                <div class="card-actions">
+                    <i class="fas fa-image" 
+                       title="Replace Preview Image"
+                       onclick="event.stopPropagation(); replacePreview('${lora.file_path}')">
+                    </i>
+                </div>
+            </div>
+        </div>
+    `;
+
+    card.addEventListener('click', () => {
+        const meta = JSON.parse(card.dataset.meta || '{}');
+        if (Object.keys(meta).length) {
+            showLoraModal(meta);
+        } else {
+            showToast(
+                card.dataset.from_civitai === 'true' ?
+                'Click "Fetch" to retrieve metadata' :
+                'No CivitAI information available',
+                'info'
+            );
+        }
+    });
+
+    return card;
+}
+
+export function updatePreviewInCard(filePath, file, previewUrl) {
+    const card = document.querySelector(`.lora-card[data-filepath="${filePath}"]`);
+    const previewContainer = card?.querySelector('.card-preview');
+    const oldPreview = previewContainer?.querySelector('img, video');
+    
+    if (oldPreview) {
+        const newPreviewUrl = `${previewUrl}?t=${Date.now()}`;
+        const newPreview = file.type.startsWith('video/') 
+            ? createVideoPreview(newPreviewUrl)
+            : createImagePreview(newPreviewUrl);
+        oldPreview.replaceWith(newPreview);
+    }
+}
+
+export function showLoraModal(lora) {
+    const escapedWords = lora.trainedWords?.length ? 
+        lora.trainedWords.map(word => word.replace(/'/g, '\\\'')) : [];
+
+    const categories = {};
+    escapedWords.forEach(word => {
+        const category = word.includes(':') ? word.split(':')[0] : 'General';
+        if (!categories[category]) {
+            categories[category] = [];
+        }
+        categories[category].push(word);
+    });
+        
+    const imageMarkup = lora.images.map(img => {
+        if (img.type === 'video') {
+            return `<video controls autoplay muted loop crossorigin="anonymous" referrerpolicy="no-referrer">
+                     <source src="${img.url}" type="video/mp4">
+                     Your browser does not support the video tag.
+                   </video>`;
+        } else {
+            return `<img src="${img.url}" alt="Preview" 
+                        crossorigin="anonymous" 
+                        referrerpolicy="no-referrer" 
+                        loading="lazy">`;
+        }
+    }).join('');
+ 
+    const triggerWordsMarkup = escapedWords.length ? `
+        <div class="trigger-words-container">
+            <div class="trigger-words-title">Trigger Words</div>
+            <div class="trigger-words-tags">
+                ${escapedWords.map(word => `
+                    <div class="trigger-word-tag" onclick="copyTriggerWord('${word}')">
+                        <span class="trigger-word-content">${word}</span>
+                        <span class="trigger-word-copy">
+                            <svg width="14" height="14" viewBox="0 0 24 24">
+                                <path fill="currentColor" d="M16 1H4c-1.1 0-2 .9-2 2v14h2V3h12V1zm3 4H8c-1.1 0-2 .9-2 2v14c0 1.1.9 2 2 2h11c1.1 0 2-.9 2-2V7c0-1.1-.9-2-2-2zm0 16H8V7h11v14z"/>
+                            </svg>
+                        </span>
+                    </div>
+                `).join('')}
+            </div>
+        </div>
+    ` : '<div class="trigger-words-container">No trigger words</div>';
+    
+    const content = `
+        <div class="modal-content">
+            <h2>${lora.model.name}</h2>
+            <div class="carousel">
+                ${imageMarkup}
+            </div>
+            <div class="description">About this version: ${lora.description || 'N/A'}</div>
+            ${triggerWordsMarkup}
+            <div class="model-link">
+                <a href="https://civitai.com/models/${lora.modelId}?modelVersionId=${lora.id}" 
+                   target="_blank">more details on CivitAI</a>
+            </div>
+            <button class="close" onclick="modalManager.closeModal('loraModal')">&times;</button>
+        </div>
+    `;
+    
+    modalManager.showModal('loraModal', content);
+
+    document.querySelectorAll('.trigger-category').forEach(category => {
+        category.addEventListener('click', function() {
+            const categoryName = this.dataset.category;
+            document.querySelectorAll('.trigger-category').forEach(c => c.classList.remove('active'));
+            this.classList.add('active');
+            
+            const wordsList = document.querySelector('.trigger-words-list');
+            wordsList.innerHTML = categories[categoryName].map(word => `
+                <div class="trigger-word-tag" onclick="copyTriggerWord('${word}')">
+                    <span class="trigger-word-content">${word}</span>
+                    <span class="trigger-word-copy">
+                        <svg width="14" height="14" viewBox="0 0 24 24">
+                            <path fill="currentColor" d="M16 1H4c-1.1 0-2 .9-2 2v14h2V3h12V1zm3 4H8c-1.1 0-2 .9-2 2v14c0 1.1.9 2 2 2h11c1.1 0 2-.9 2-2V7c0-1.1-.9-2-2-2zm0 16H8V7h11v14z"/>
+                        </svg>
+                    </span>
+                </div>
+            `).join('');
+        });
+    });
+}
+
+export function initializeLoraCards() {
+    document.querySelectorAll('.lora-card').forEach(card => {
+        card.addEventListener('click', () => {
+            const meta = JSON.parse(card.dataset.meta || '{}');
+            if (Object.keys(meta).length) {
+                showLoraModal(meta);
+            } else {
+                showToast(card.dataset.from_civitai === 'True'
+                    ? 'Click "Fetch" to retrieve metadata'
+                    : 'No CivitAI information available', 'info');
+            }
+        });
+
+        card.querySelector('.fa-copy')?.addEventListener('click', e => {
+            e.stopPropagation();
+            navigator.clipboard.writeText(card.dataset.file_name)
+                .then(() => showToast('Model name copied', 'success'))
+                .catch(() => showToast('Copy failed', 'error'));
+        });
+    });
+}
+
+function createVideoPreview(url) {
+    const video = document.createElement('video');
+    video.controls = video.autoplay = video.muted = video.loop = true;
+    video.src = url;
+    return video;
+}
+
+function createImagePreview(url) {
+    const img = document.createElement('img');
+    img.src = url;
+    return img;
+} 

static/js/main.js

@@ -0,0 +1,66 @@
+import { debounce } from './utils/debounce.js';
+import { LoadingManager } from './managers/LoadingManager.js';
+import { modalManager } from './managers/ModalManager.js';
+import { state } from './state/index.js';
+import { createLoraCard, updatePreviewInCard, showLoraModal, initializeLoraCards } from './components/LoraCard.js';
+import { loadMoreLoras, fetchCivitai, deleteModel, replacePreview, resetAndReload, refreshLoras } from './api/loraApi.js';
+import { showToast, lazyLoadImages, restoreFolderFilter, initTheme, toggleTheme, toggleFolder, copyTriggerWord } from './utils/uiHelpers.js';
+import { initializeInfiniteScroll } from './utils/infiniteScroll.js';
+import { showDeleteModal, confirmDelete, closeDeleteModal } from './utils/modalUtils.js';
+
+// Export all functions that need global access
+window.loadMoreLoras = loadMoreLoras;
+window.fetchCivitai = fetchCivitai;
+window.deleteModel = deleteModel;
+window.replacePreview = replacePreview;
+window.toggleTheme = toggleTheme;
+window.toggleFolder = toggleFolder;
+window.copyTriggerWord = copyTriggerWord;
+window.showLoraModal = showLoraModal;
+window.modalManager = modalManager;
+window.state = state;
+window.confirmDelete = confirmDelete;
+window.closeDeleteModal = closeDeleteModal;
+window.refreshLoras = refreshLoras;
+
+// Initialize everything when DOM is ready
+document.addEventListener('DOMContentLoaded', () => {
+    state.loadingManager = new LoadingManager();
+    modalManager.initialize();  // Initialize modalManager after DOM is loaded
+    initializeInfiniteScroll();
+    initializeEventListeners();
+    lazyLoadImages();
+    restoreFolderFilter();
+    initializeLoraCards();
+    initTheme();
+
+    // Search handler
+    const searchHandler = debounce(term => {
+        document.querySelectorAll('.lora-card').forEach(card => {
+            card.style.display = [card.dataset.name, card.dataset.folder]
+                .some(text => text.toLowerCase().includes(term)) 
+                ? 'block' 
+                : 'none';
+        });
+    }, 250);
+
+    document.getElementById('searchInput')?.addEventListener('input', e => {
+        searchHandler(e.target.value.toLowerCase());
+    });
+});
+
+// Initialize event listeners
+function initializeEventListeners() {
+    const sortSelect = document.getElementById('sortSelect');
+    if (sortSelect) {
+        sortSelect.value = state.sortBy;
+        sortSelect.addEventListener('change', async (e) => {
+            state.sortBy = e.target.value;
+            await resetAndReload();
+        });
+    }
+
+    document.querySelectorAll('.folder-tags .tag').forEach(tag => {
+        tag.addEventListener('click', toggleFolder);
+    });
+} 

static/js/managers/LoadingManager.js

@@ -0,0 +1,57 @@
+// Loading management
+export class LoadingManager {
+    constructor() {
+        this.overlay = document.getElementById('loading-overlay');
+        this.progressBar = this.overlay.querySelector('.progress-bar');
+        this.statusText = this.overlay.querySelector('.loading-status');
+    }
+
+    show(message = 'Loading...', progress = 0) {
+        this.overlay.style.display = 'flex';
+        this.setProgress(progress);
+        this.setStatus(message);
+    }
+
+    hide() {
+        this.overlay.style.display = 'none';
+        this.reset();
+    }
+
+    setProgress(percent) {
+        this.progressBar.style.width = `${percent}%`;
+        this.progressBar.setAttribute('aria-valuenow', percent);
+    }
+
+    setStatus(message) {
+        this.statusText.textContent = message;
+    }
+
+    reset() {
+        this.setProgress(0);
+        this.setStatus('');
+    }
+
+    async showWithProgress(callback, options = {}) {
+        const { initialMessage = 'Processing...', completionMessage = 'Complete' } = options;
+        
+        try {
+            this.show(initialMessage);
+            await callback(this);
+            this.setProgress(100);
+            this.setStatus(completionMessage);
+            await new Promise(resolve => setTimeout(resolve, 500));
+        } finally {
+            this.hide();
+        }
+    }
+
+    showSimpleLoading(message = 'Loading...') {
+        this.overlay.style.display = 'flex';
+        this.progressBar.style.display = 'none';
+        this.setStatus(message);
+    }
+
+    restoreProgressBar() {
+        this.progressBar.style.display = 'block';
+    }
+} 

static/js/managers/ModalManager.js

@@ -0,0 +1,91 @@
+export class ModalManager {
+    constructor() {
+        this.modals = new Map();
+    }
+
+    initialize() {
+        if (this.initialized) return;
+        
+        this.boundHandleEscape = this.handleEscape.bind(this);
+        
+        // Register all modals
+        this.registerModal('loraModal', {
+            element: document.getElementById('loraModal'),
+            onClose: () => {
+                this.getModal('loraModal').element.style.display = 'none';
+                document.body.classList.remove('modal-open');
+            }
+        });
+        
+        this.registerModal('deleteModal', {
+            element: document.getElementById('deleteModal'),
+            onClose: () => {
+                this.getModal('deleteModal').element.classList.remove('show');
+                document.body.classList.remove('modal-open');
+            }
+        });
+
+        document.addEventListener('keydown', this.boundHandleEscape);
+        this.initialized = true;
+    }
+
+    registerModal(id, config) {
+        this.modals.set(id, {
+            element: config.element,
+            onClose: config.onClose,
+            isOpen: false
+        });
+
+        // Add click outside to close for each modal
+        config.element.addEventListener('click', (e) => {
+            if (e.target === config.element) {
+                this.closeModal(id);
+            }
+        });
+    }
+
+    getModal(id) {
+        return this.modals.get(id);
+    }
+
+    showModal(id, content = null) {
+        const modal = this.getModal(id);
+        if (!modal) return;
+
+        if (content) {
+            modal.element.innerHTML = content;
+        }
+
+        if (id === 'loraModal') {
+            modal.element.style.display = 'block';
+        } else if (id === 'deleteModal') {
+            modal.element.classList.add('show');
+        }
+
+        modal.isOpen = true;
+        document.body.classList.add('modal-open');
+    }
+
+    closeModal(id) {
+        const modal = this.getModal(id);
+        if (!modal) return;
+
+        modal.onClose();
+        modal.isOpen = false;
+    }
+
+    handleEscape(e) {
+        if (e.key === 'Escape') {
+            // Close the last opened modal
+            for (const [id, modal] of this.modals) {
+                if (modal.isOpen) {
+                    this.closeModal(id);
+                    break;
+                }
+            }
+        }
+    }
+}
+
+// Create and export a singleton instance
+export const modalManager = new ModalManager(); 

static/js/state/index.js

@@ -0,0 +1,9 @@
+export const state = {
+    currentPage: 1,
+    isLoading: false,
+    hasMore: true,
+    sortBy: 'name',
+    activeFolder: null,
+    loadingManager: null,
+    observer: null
+}; 

static/js/utils/debounce.js

@@ -0,0 +1,8 @@
+// Debounce function
+export function debounce(func, wait) {
+    let timeout;
+    return function(...args) {
+        clearTimeout(timeout);
+        timeout = setTimeout(() => func.apply(this, args), wait);
+    };
+} 

static/js/utils/infiniteScroll.js

@@ -0,0 +1,29 @@
+import { state } from '../state/index.js';
+import { loadMoreLoras } from '../api/loraApi.js';
+
+export function initializeInfiniteScroll() {
+    if (state.observer) {
+        state.observer.disconnect();
+    }
+
+    state.observer = new IntersectionObserver(
+        (entries) => {
+            const target = entries[0];
+            if (target.isIntersecting && !state.isLoading && state.hasMore) {
+                loadMoreLoras();
+            }
+        },
+        { threshold: 0.1 }
+    );
+
+    const existingSentinel = document.getElementById('scroll-sentinel');
+    if (existingSentinel) {
+        state.observer.observe(existingSentinel);
+    } else {
+        const sentinel = document.createElement('div');
+        sentinel.id = 'scroll-sentinel';
+        sentinel.style.height = '10px';
+        document.getElementById('loraGrid').appendChild(sentinel);
+        state.observer.observe(sentinel);
+    }
+} 

static/js/utils/modalUtils.js

@@ -0,0 +1,56 @@
+import { modalManager } from '../managers/ModalManager.js';
+
+let pendingDeletePath = null;
+
+export function showDeleteModal(filePath) {
+    event.stopPropagation();
+    pendingDeletePath = filePath;
+    
+    const card = document.querySelector(`.lora-card[data-filepath="${filePath}"]`);
+    const modelName = card.dataset.name;
+    const modal = modalManager.getModal('deleteModal').element;
+    const modelInfo = modal.querySelector('.delete-model-info');
+    
+    modelInfo.innerHTML = `
+        <strong>Model:</strong> ${modelName}
+        <br>
+        <strong>File:</strong> ${filePath}
+    `;
+    
+    modalManager.showModal('deleteModal');
+}
+
+export async function confirmDelete() {
+    if (!pendingDeletePath) return;
+    
+    const modal = document.getElementById('deleteModal');
+    const card = document.querySelector(`.lora-card[data-filepath="${pendingDeletePath}"]`);
+    
+    try {
+        const response = await fetch('/api/delete_model', {
+            method: 'POST',
+            headers: {
+                'Content-Type': 'application/json',
+            },
+            body: JSON.stringify({ 
+                file_path: pendingDeletePath
+            })
+        });
+
+        if (response.ok) {
+            if (card) {
+                card.remove();
+            }
+            closeDeleteModal();
+        } else {
+            const error = await response.text();
+            alert(`Failed to delete model: ${error}`);
+        }
+    } catch (error) {
+        alert(`Error deleting model: ${error}`);
+    }
+}
+
+export function closeDeleteModal() {
+    modalManager.closeModal('deleteModal');
+} 

static/js/utils/uiHelpers.js

@@ -0,0 +1,88 @@
+import { state } from '../state/index.js';
+import { resetAndReload } from '../api/loraApi.js';
+
+export function showToast(message, type = 'info') {
+    const toast = document.createElement('div');
+    toast.className = `toast toast-${type}`;
+    toast.textContent = message;
+    document.body.append(toast);
+
+    requestAnimationFrame(() => {
+        toast.classList.add('show');
+        setTimeout(() => toast.remove(), 2300);
+    });
+}
+
+export function lazyLoadImages() {
+    const observer = new IntersectionObserver(entries => {
+        entries.forEach(entry => {
+            if (entry.isIntersecting && entry.target.dataset.src) {
+                entry.target.src = entry.target.dataset.src;
+                observer.unobserve(entry.target);
+            }
+        });
+    });
+
+    document.querySelectorAll('img[data-src]').forEach(img => observer.observe(img));
+}
+
+export function restoreFolderFilter() {
+    const activeFolder = localStorage.getItem('activeFolder');
+    const folderTag = activeFolder && document.querySelector(`.tag[data-folder="${activeFolder}"]`);
+    if (folderTag) {
+        folderTag.classList.add('active');
+        filterByFolder(activeFolder);
+    }
+}
+
+export function initTheme() {
+    document.body.dataset.theme = localStorage.getItem('theme') || 'dark';
+}
+
+export function toggleTheme() {
+    const theme = document.body.dataset.theme === 'light' ? 'dark' : 'light';
+    document.body.dataset.theme = theme;
+    localStorage.setItem('theme', theme);
+}
+
+export function toggleFolder(tag) {
+    const tagElement = (tag instanceof HTMLElement) ? tag : this;
+    const folder = tagElement.dataset.folder;
+    const wasActive = tagElement.classList.contains('active');
+    
+    document.querySelectorAll('.folder-tags .tag').forEach(t => {
+        t.classList.remove('active');
+    });
+    
+    if (!wasActive) {
+        tagElement.classList.add('active');
+        state.activeFolder = folder;
+    } else {
+        state.activeFolder = null;
+    }
+    
+    resetAndReload();
+}
+
+export function copyTriggerWord(word) {
+    navigator.clipboard.writeText(word).then(() => {
+        const toast = document.createElement('div');
+        toast.className = 'toast toast-copy';
+        toast.textContent = 'Copied!';
+        document.body.appendChild(toast);
+        
+        requestAnimationFrame(() => {
+            toast.classList.add('show');
+            setTimeout(() => {
+                toast.classList.remove('show');
+                setTimeout(() => toast.remove(), 300);
+            }, 1000);
+        });
+    });
+}
+
+function filterByFolder(folderPath) {
+    document.querySelectorAll('.lora-card').forEach(card => {
+        card.style.display = card.dataset.folder === folderPath ? '' : 'none';
+    });
+} 

templates/components/controls.html

@@ -0,0 +1,16 @@
+<div class="controls">
+    <div class="folder-tags">
+        {% for folder in folders %}
+        <div class="tag" data-folder="{{ folder }}">{{ folder }}</div>
+        {% endfor %}
+    </div>
+    
+    <div class="actions">
+        <select id="sortSelect">
+            <option value="name">Name</option>
+            <option value="date">Date</option>
+        </select>
+        <button onclick="refreshLoras()"><i class="fas fa-sync"></i> Refresh</button>
+        <button onclick="fetchCivitai()" class="secondary"><i class="fas fa-download"></i> Fetch</button>
+    </div>
+</div> 

templates/components/loading.html

@@ -0,0 +1,9 @@
+<div id="loading-overlay" class="loading-overlay" style="display: none;">
+    <div class="loading-content">
+        <div class="loading-spinner"></div>
+        <div class="loading-status">Scanning Loras...</div>
+        <div class="progress-container">
+            <div class="progress-bar" role="progressbar" aria-valuenow="0" aria-valuemin="0" aria-valuemax="100"></div>
+        </div>
+    </div>
+</div> 

templates/components/modals.html

@@ -0,0 +1,15 @@
+<!-- Model details Modal -->
+<div id="loraModal" class="modal"></div>
+
+<!-- Delete Confirmation Modal -->
+<div id="deleteModal" class="modal delete-modal">
+    <div class="modal-content delete-modal-content">
+        <h2>Delete Model</h2>
+        <p class="delete-message">Are you sure you want to delete this model and all associated files?</p>
+        <div class="delete-model-info"></div>
+        <div class="modal-actions">
+            <button class="cancel-btn" onclick="closeDeleteModal()">Cancel</button>
+            <button class="delete-btn" onclick="confirmDelete()">Delete</button>
+        </div>
+    </div>
+</div> 

templates/loras.html

@@ -1,7 +1,7 @@
 <!DOCTYPE html>
 <html>
 <head>
-    <title>LoRA Management</title>
+    <title>LoRA Manager</title>
     <meta name="viewport" content="width=device-width, initial-scale=1">
     <link rel="stylesheet" href="/loras_static/css/style.css">
     <link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/6.0.0/css/all.min.css" crossorigin="anonymous" referrerpolicy="no-referrer">
@@ -11,7 +11,7 @@
     
     <!-- 预加载关键资源 -->
     <link rel="preload" href="/loras_static/css/style.css" as="style">
-    <link rel="preload" href="/loras_static/js/script.js" as="script">
+    <link rel="preload" href="/loras_static/js/main.js" as="script" crossorigin="anonymous">
     
     <!-- 优化字体加载 -->
     <link rel="preload" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/6.0.0/webfonts/fa-solid-900.woff2" as="font" type="font/woff2" crossorigin>
@@ -38,50 +38,11 @@
         <img src="/loras_static/images/theme-toggle.svg" alt="Theme">
     </div>
     
-    <!-- Model details Modal -->
-    <div id="loraModal" class="modal"></div>
-    
-    <div id="loading-overlay" class="loading-overlay" style="display: none;">
-        <div class="loading-content">
-            <div class="loading-spinner"></div>
-            <div class="loading-status">Scanning Loras...</div>
-            <div class="progress-container">
-                <div class="progress-bar" role="progressbar" aria-valuenow="0" aria-valuemin="0" aria-valuemax="100"></div>
-            </div>
-        </div>
-    </div>
-
-    <!-- Delete Confirmation Modal -->
-    <div id="deleteModal" class="modal delete-modal">
-        <div class="modal-content delete-modal-content">
-            <h2>Delete Model</h2>
-            <p class="delete-message">Are you sure you want to delete this model and all associated files?</p>
-            <div class="delete-model-info"></div>
-            <div class="modal-actions">
-                <button class="cancel-btn" onclick="closeDeleteModal()">Cancel</button>
-                <button class="delete-btn" onclick="confirmDelete()">Delete</button>
-            </div>
-        </div>
-    </div>
+    {% include 'components/modals.html' %}
+    {% include 'components/loading.html' %}
 
     <div class="container">
-        <!-- 控制栏 -->
-        <div class="controls">
-            <div class="folder-tags">
-                {% for folder in folders %}
-                <div class="tag" data-folder="{{ folder }}">{{ folder }}</div>
-                {% endfor %}
-            </div>
-            
-            <div class="actions">
-                <select id="sortSelect">
-                    <option value="name">Name</option>
-                    <option value="date">Date</option>
-                </select>
-                <button onclick="refreshLoras()"><i class="fas fa-sync"></i> Refresh</button>
-                <button onclick="fetchCivitai()" class="secondary"><i class="fas fa-download"></i> Fetch</button>
-            </div>
-        </div>
+        {% include 'components/controls.html' %}
 
         <!-- Lora卡片容器 -->
         <div class="card-grid" id="loraGrid">
@@ -89,6 +50,6 @@
         </div>
     </div>
 
-    <script src="/loras_static/js/script.js" defer></script>
+    <script type="module" src="/loras_static/js/main.js"></script>
 </body>
 </html>