Files
swiper/js/main.js
2025-07-19 21:46:31 +01:00

362 lines
13 KiB
JavaScript

import { showToast, updateImageInfo } from './utils.js';
document.addEventListener('DOMContentLoaded', () => {
const state = {
currentImageInfo: null,
currentOrientation: ['all'],
currentActions: ['Unactioned'],
previousOrientation: ['all'],
allowNsfw: false,
searchKeywords: [],
isLoading: false,
isDragging: false,
startX: 0,
startY: 0,
moveX: 0,
moveY: 0,
touchStartTime: 0,
hasMoved: false,
isAnimating: false, // Flag to prevent actions during animation
};
const card = document.getElementById('current-card');
const lastActionText = document.getElementById('last-action');
const orientationFilters = document.querySelector('.orientation-filters');
const actionFilters = document.querySelector('.action-filters');
const modal = document.getElementById('fullscreen-modal');
const fullscreenImage = document.getElementById('fullscreen-image');
const closeModal = document.querySelector('.close-modal');
const searchInput = document.getElementById('search-input');
const nsfwToggleBtn = document.getElementById('toggle-nsfw');
const searchButton = document.getElementById('search-button');
const keywordPillsContainer = document.getElementById('keyword-pills-container');
const SWIPE_THRESHOLD = 100;
const ACTION_ANGLE_THRESHOLD = 15; // Degrees of rotation to commit to swipe
function resetCardPosition(animated = true) {
if (state.isAnimating && animated) return;
card.style.transition = animated ? 'transform 0.4s cubic-bezier(0.25, 0.8, 0.25, 1)' : 'none';
card.style.transform = 'translate(0, 0) rotate(0deg)';
if (animated) {
state.isAnimating = true;
card.addEventListener('transitionend', () => {
state.isAnimating = false;
card.style.transition = 'none';
}, { once: true });
} else {
card.style.transition = 'none';
}
}
const performSwipe = (direction) => {
if (!state.currentImageInfo || state.isAnimating) return;
state.isAnimating = true;
const actionNameMap = { left: 'Discarded', right: 'Kept', up: 'Favourited', down: 'Reviewing' };
const actionName = actionNameMap[direction] || direction;
lastActionText.textContent = `Last action: ${actionName}`;
const toastMap = { left: 'Discarded', right: 'Kept', up: 'Favourited', down: 'Reviewing' };
showToast(toastMap[direction] || 'Action');
recordSelection(state.currentImageInfo, actionName);
// Animate swipe out
let rotation, translateX, translateY;
const windowWidth = window.innerWidth;
const windowHeight = window.innerHeight;
switch (direction) {
case 'left':
rotation = -30;
translateX = -windowWidth;
translateY = state.moveY;
break;
case 'right':
rotation = 30;
translateX = windowWidth;
translateY = state.moveY;
break;
case 'up':
rotation = 0;
translateX = state.moveX;
translateY = -windowHeight;
break;
case 'down':
rotation = 0;
translateX = state.moveX;
translateY = windowHeight;
break;
}
card.style.transition = 'transform 0.5s cubic-bezier(0.6, -0.28, 0.735, 0.045)';
card.style.transform = `translate(${translateX}px, ${translateY}px) rotate(${rotation}deg)`;
card.addEventListener('transitionend', () => {
loadNewImage();
state.isAnimating = false;
}, { once: true });
};
async function getNextImage() {
const queryParams = new URLSearchParams({
orientation: state.currentOrientation.join(','),
actions: state.currentActions.join(','),
nsfw: state.allowNsfw,
keywords: state.searchKeywords.join(','),
}).toString();
const response = await fetch(`/next-image?${queryParams}`);
if (!response.ok) {
throw new Error(`HTTP error! status: ${response.status}`);
}
return await response.json();
}
function recordSelection(imageInfo, action) {
fetch('/record-selection', {
method: 'POST',
headers: { 'Content-Type': 'application/json' },
body: JSON.stringify({ filename: imageInfo.filename, action: action }),
}).catch(error => console.error('Failed to record selection:', error));
}
function handleNoImageAvailable() {
const imageElement = card.querySelector('img');
imageElement.src = `data:image/svg+xml;charset=UTF-8,%3Csvg%20width%3D%22400%22%20height%3D%22400%22%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%3E%3Crect%20width%3D%22400%22%20height%3D%22400%22%20fill%3D%22%23e0e0e0%22%2F%3E%3Ctext%20x%3D%22200%22%20y%3D%22200%22%20font-size%3D%2220%22%20text-anchor%3D%22middle%22%20alignment-baseline%3D%22middle%22%20fill%3D%22%23999%22%3ENo%20images%20found%3C%2Ftext%3E%3C%2Fsvg%3E`;
state.currentImageInfo = null;
updateImageInfo(null);
showToast('No more images matching your criteria.', 'info');
}
async function loadNewImage() {
if (state.isLoading) return;
resetCardPosition(false); // Reset position without animation for new image
state.isLoading = true;
const loadingIndicator = card.querySelector('.loading-indicator');
loadingIndicator.style.display = 'block';
try {
const data = await getNextImage();
if (data && data.image_data) {
const imageUrl = `data:image/jpeg;base64,${data.image_data}`;
const imageElement = card.querySelector('img');
imageElement.src = imageUrl;
state.currentImageInfo = data;
updateImageInfo(data);
} else {
handleNoImageAvailable();
}
} catch (error) {
console.error('Error loading image:', error);
showToast('Failed to load image.', 'error');
handleNoImageAvailable();
} finally {
state.isLoading = false;
loadingIndicator.style.display = 'none';
}
}
// --- Event Listeners ---
// Swipe and Drag
card.addEventListener('mousedown', onDragStart);
card.addEventListener('touchstart', onDragStart, { passive: true });
function onDragStart(e) {
if (state.isLoading || state.isAnimating) return;
state.isDragging = true;
state.hasMoved = false;
card.style.transition = 'none';
state.startX = e.clientX || e.touches[0].clientX;
state.startY = e.clientY || e.touches[0].clientY;
state.touchStartTime = Date.now();
document.addEventListener('mousemove', onDragMove);
document.addEventListener('touchmove', onDragMove, { passive: false });
document.addEventListener('mouseup', onDragEnd);
document.addEventListener('touchend', onDragEnd);
}
function onDragMove(e) {
if (!state.isDragging) return;
e.preventDefault();
state.hasMoved = true;
const currentX = e.clientX || e.touches[0].clientX;
const currentY = e.clientY || e.touches[0].clientY;
state.moveX = currentX - state.startX;
state.moveY = currentY - state.startY;
const rotation = state.moveX * 0.1;
card.style.transform = `translate(${state.moveX}px, ${state.moveY}px) rotate(${rotation}deg)`;
}
function onDragEnd() {
if (!state.isDragging) return;
state.isDragging = false;
document.removeEventListener('mousemove', onDragMove);
document.removeEventListener('touchmove', onDragMove);
document.removeEventListener('mouseup', onDragEnd);
document.removeEventListener('touchend', onDragEnd);
if (!state.hasMoved) return;
const rotation = state.moveX * 0.1;
if (Math.abs(rotation) > ACTION_ANGLE_THRESHOLD || Math.abs(state.moveX) > SWIPE_THRESHOLD || Math.abs(state.moveY) > SWIPE_THRESHOLD) {
const angle = Math.atan2(state.moveY, state.moveX) * 180 / Math.PI;
let direction;
if (angle > -45 && angle <= 45) {
direction = 'right';
} else if (angle > 45 && angle <= 135) {
direction = 'down';
} else if (angle > 135 || angle <= -135) {
direction = 'left';
} else if (angle > -135 && angle <= -45) {
direction = 'up';
}
performSwipe(direction);
} else {
resetCardPosition();
}
state.moveX = 0;
state.moveY = 0;
}
// Filter buttons
orientationFilters.addEventListener('click', (e) => {
const button = e.target.closest('button');
if (!button) return;
state.currentOrientation = [button.dataset.value];
loadNewImage();
});
actionFilters.addEventListener('click', (e) => {
const button = e.target.closest('button');
if (!button) return;
state.currentActions = [button.dataset.value];
loadNewImage();
});
// Modal
card.addEventListener('click', (e) => {
if (!state.hasMoved && state.currentImageInfo) {
fullscreenImage.src = card.querySelector('img').src;
modal.style.display = 'flex';
}
});
closeModal.addEventListener('click', () => {
modal.style.display = 'none';
});
window.addEventListener('click', (e) => {
if (e.target === modal) {
modal.style.display = 'none';
}
});
// Search
const addKeyword = () => {
const keyword = searchInput.value.trim();
if (keyword && !state.searchKeywords.includes(keyword)) {
state.searchKeywords.push(keyword);
renderKeywordPills();
searchInput.value = '';
}
};
const removeKeyword = (keywordToRemove) => {
state.searchKeywords = state.searchKeywords.filter(k => k !== keywordToRemove);
renderKeywordPills();
};
const renderKeywordPills = () => {
keywordPillsContainer.innerHTML = '';
state.searchKeywords.forEach(keyword => {
const pill = document.createElement('div');
pill.className = 'keyword-pill';
pill.textContent = keyword;
const removeBtn = document.createElement('span');
removeBtn.textContent = 'x';
removeBtn.onclick = () => removeKeyword(keyword);
pill.appendChild(removeBtn);
keywordPillsContainer.appendChild(pill);
});
};
searchInput.addEventListener('keydown', (e) => {
if (e.key === 'Enter') {
addKeyword();
}
});
searchButton.addEventListener('click', () => {
loadNewImage();
});
// Keyboard shortcuts
document.addEventListener('keydown', (e) => {
if (searchInput === document.activeElement) return;
if (modal.style.display === 'flex' && e.key === 'Escape') {
modal.style.display = 'none';
return;
}
if (modal.style.display !== 'flex') {
switch (e.key) {
case 'ArrowLeft': performSwipe('left'); break;
case 'ArrowRight': performSwipe('right'); break;
case 'ArrowUp': performSwipe('up'); break;
case 'ArrowDown': performSwipe('down'); break;
}
}
});
// --- Ultra-wide mode ---
const fullscreenToggle = document.getElementById('fullscreen-toggle');
fullscreenToggle.setAttribute('title', 'Toggle fullscreen Mode');
const setfullscreenMode = (isActive) => {
if (isActive) {
// Entering ultra-wide mode: just disable filter controls
orientationFilters.style.pointerEvents = 'none';
orientationFilters.style.opacity = '0.5';
} else {
// Exiting ultra-wide mode: re-enable filter controls
orientationFilters.style.pointerEvents = 'auto';
orientationFilters.style.opacity = '1';
}
};
fullscreenToggle.addEventListener('click', () => {
const isActive = document.body.classList.toggle('fullscreen-mode');
localStorage.setItem('fullscreenMode', isActive);
showToast(isActive ? 'fullscreen mode enabled' : 'fullscreen mode disabled');
setfullscreenMode(isActive);
});
// Check for saved preference on load
const isfullscreenModeOnLoad = localStorage.getItem('fullscreenMode') === 'true';
if (isfullscreenModeOnLoad) {
document.body.classList.add('fullscreen-mode');
setfullscreenMode(true);
}
// --- NSFW toggle ---
nsfwToggleBtn.addEventListener('click', () => {
state.allowNsfw = !state.allowNsfw;
nsfwToggleBtn.dataset.allow = state.allowNsfw ? '1' : '0';
nsfwToggleBtn.classList.toggle('active', state.allowNsfw);
loadNewImage();
});
loadNewImage(); // Always load an image on startup
});